| NIPPON SOKEN, INC. Patent applications |
| Patent application number | Title | Published |
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| 20120126965 | Information presentation apparatus and system - An information presentation apparatus for a vehicle is disclosed. The apparatus includes: a stimulator device located on a steering wheel of the vehicle and configured to generate stimulation at multiple sites on the steering wheel to provide skin sensation to a driver gripping the steering wheel; a direction information acquisition device configured to acquire direction information; and a controller configured to cause, in accordance with the acquired direction information, the stimulator device to successively generate the stimulation through the plurality of sites on the steering wheel to invoke an apparent movement that appears to the driver as if the skin sensation moves in a way indicative of a direction according to the direction information. | 05-24-2012 |
| 20120111658 | VEHICULAR STEERING CONTROL APPARATUS - A vehicular steering control apparatus has a steering direction control device and a reaction force application device. The steering direction control device controls a steering angle of steered wheels by controlling a steering direction control motor based on a steering wheel angle. The reaction force application unit is provided more closer to a steering wheel than the steering direction control device is and has a differential reduction unit and a reaction force application motor. The differential reduction unit transfers rotation of an input shaft to an output shaft. The reaction force application motor drives the differential reduction unit. The steering wheel and the steered wheels are normally linked mechanically, so that no fail-safe device is needed. | 05-10-2012 |
| 20120106221 | ELECTRIC POWER CONVERTER APPARATUS - An electric power converter apparatus includes an inverter circuit having a plurality of upper arm elements and a plurality of lower arm elements, a feedback controlling module calculating a voltage command value in order to control an output from the inverter circuit in a feedback control manner and a compensating module compensating the voltage command value with a compensation amount and outputting a compensated voltage command value. Each of the plurality of upper arm elements and the plurality of lower arm elements is operated to switch over based on a control signal that is set according to the compensated voltage command value and a dead time. The compensation amount is set by the compensating module in order to compensate a fluctuation in the output current due to the dead time. | 05-03-2012 |
| 20120098348 | NON-CONTACT ELECTRIC POWER SUPPLYING EQUIPMENT, NON-CONTACT ELECTRIC POWER RECEIVING DEVICE, AND NON-CONTACT ELECTRIC POWER SUPPLYING SYSTEM - Electric power supplying equipment and an electric power receiving device include a primary self resonant coil and a secondary self resonant coil, respectively, resonating through an electromagnetic field to allow the electric power supplying equipment to supply the electric power receiving device with electric power in a non-contact manner. A control device controls a high frequency electric power supply device to control supplying electric power from the primary self resonant coil to the secondary self resonant coil. The control device estimates a distance between the primary self resonant coil and the secondary self resonant coil from an S-parameter S | 04-26-2012 |
| 20120062117 | Headlamp for vehicle - A headlamp for a vehicle includes: a housing having a front opening; a lens cover arranged to cover the front opening of the housing; a lamp chamber defined by the housing and the lens cover; a light source provided in the lamp chamber; a lighting control circuit that controls lighting of the light source; and a heat dissipating member arranged in the lamp chamber. Further, the lighting control circuit is formed on a substrate. The heat dissipating member has a pillar portion and a plurality of heat dissipating fins. The pillar portion has the light source mounted thereto. The heat dissipating fins are provided on an outer periphery of the pillar portion so as to be spaced from one another. The pillar portion also has a recess formed therein. The substrate is received in the recess of the pillar portion. | 03-15-2012 |
| 20120061067 | Heat sink - A heat sink includes a pillar member, to which a device that generates heat is to be mounted, and a plurality of heat-dissipating fins arranged on a side surface of the pillar member to dissipate the heat generated by the device. The heat sink further includes a ring-shaped holding member that has a plurality of grooves formed therein. The holding member is mounted to a longitudinal end of the pillar member and has each of the heat-dissipating fins inserted in a corresponding one of the grooves of the holding member, thereby holding the heat-dissipating fins to the pillar member. Each of the heat-dissipating fins has a detachment prevention portion that prevents the heat-dissipating fin from being detached from the pillar member in a direction perpendicular to the longitudinal direction of the pillar member. | 03-15-2012 |
| 20120057971 | Centrifugal blower - A centrifugal blower provided with a spiral shaped scroll chamber where a bottom part of the scroll chamber gradually expands downward in the axial direction of the fan well along with expansion of the spiral and where a flow area gradually expands toward an air outlet from a spiral start part of the casing, the centrifugal blower having an initial slant angle θ | 03-08-2012 |
| 20120057365 | Vehicle headlight - The vehicle head light is provided with a heat radiating member including a pillar member provided to extend from a bottom wall of a housing, on which a light source is mounted, a heat radiating fins fixed radially to the outer periphery of the pillar member, and a guide wall provided surrounding sides of the heat radiating fins. The guide wall is sloped with respect to bottom wall of the housing so that spaces each formed by adjacent two of the heat radiating fins and the guide wall become narrower with increasing distance from the lower end of the guide wall. The guide wall is formed with slits to make air communication between the light chamber and each of the spaces, the slits being shaped to be narrower with increasing distance from the lower end of the guide wall. | 03-08-2012 |
| 20120055730 | Steering control apparatus - A steering control apparatus has a variable gear ratio device and a power steering device. If abnormality arises in the VGRS device, an EPS motor is controlled based on a steering wheel angle and a speed increase ratio. Thus, vehicle wheels are controlled appropriately when abnormality arises in the VGRS device. Steered angle of the vehicle wheels relative to the steering wheel angle is not changed between before and after occurrence of abnormality in the VGRS device. As a result, movement of a vehicle does not deviate from the steering wheel angle and feeling of discomfort in steering a vehicle can be reduced. | 03-08-2012 |
| 20120055268 | Manipulated position detection device - A case accommodates a manipulated surface portion. A distortion member has a joint portion, which is connected with a periphery of the manipulated surface portion at one end, and a fixed portion fixed to the case at the other end. The distortion member has a movement transmission surface between the joint portion and the fixed portion. The movement transmission surface is movable according to a manipulating force caused by pressure applied to the manipulated surface portion. A distortion detection unit is adhered to the movement transmission surface and configured to detect a distortion of the movement transmission surface caused by a movement of the distortion member. The manipulated surface portion and the movement transmission surface are located on the same plane. | 03-08-2012 |
| 20120046833 | INFORMATION PROVIDING DEVICE FOR VEHICLE - An information providing device includes: a vehicle condition detector for detecting a vehicle condition; a support information generating element for generating support information for a driver; and a tactile sensibility notification element in a steering wheel for notifying the support information to the driver. The steering wheel includes a wheel element having a base, a movable portion and a driving unit. The movable portion is relatively movable with respect to the base. The driving unit drives the movable portion according to the support information. The movable portion and the driving unit provide the tactile sensibility notification element. Movement of the movable portion provides notification of the support information. | 02-23-2012 |
| 20120042841 | VALVE TIMING CONTROL APPARATUS - A valve timing control apparatus includes a housing that is rotatable with a crankshaft; a vane rotor that is rotatable with a camshaft; and a phase controller to compulsorily change a rotation phase of the vane rotor alternately between an advance side and a retard side with respect to the housing if an engine shifts to a high rotation state after the engine continuously has a low rotation state for a predetermined period or more. The engine in the low rotation state has a rotation speed lower than a predetermined rotation speed. The engine in the high rotation state has a rotation speed equal to or higher than the predetermined rotation speed. | 02-23-2012 |
| 20120035810 | Steering control apparatus - In a steering control apparatus, a worm gear is configured to have a lead angle for a self-lock operation, by which a worm wheel is allowed to rotate by rotation of a worm but the worm is not allowed to rotate by rotation of the worm wheel. Thus, a lock mechanism need not be provided separately from a gear mechanism and the apparatus is reduced in entire size. A VGRS control part checks whether the worm gear has a self-lock failure, which disables the self-lock operation. If the worm gear has the self-lock failure, idling suppression processing is performed to suppress idling of a steering wheel. Thus, even when the self-lock failure arises, the steering wheel is suppressed from idling. | 02-09-2012 |
| 20120032521 | NON-CONTACT ELECTRIC POWER FEEDING EQUIPMENT AND NON-CONTACT ELECTRIC POWER FEEDING SYSTEM - Electric power feeding equipment and an electric power receiving device include a primary self resonant coil and a secondary self resonant coil coil, respectively, resonating through an electromagnetic field to allow the electric power feeding equipment to feed the electric power receiving device with electric power in a non-contact manner. A control device sets a frequency range for a spread spectrum, as based on an S-parameter S | 02-09-2012 |
| 20120028749 | VEHICLE POWER TRANSMISSION DEVICE - A power transmission apparatus for a vehicle is provided which is equipped with a power split device and a speed variator. The power transmission device is designed to set a speed ratio of speed of rotation of an output of a power source to speed of rotation of a driven wheel in a power circulation mode of a power split device to lie within one of a positive range in which a sign of the speed ratio is positive and a negative range in which a sign of the speed ratio is negative. This results in a decrease in degree of torque acting on the speed variator such as a continuously variable transmission, thus permitting a required degree of durability of the speed variator to be reduced. | 02-02-2012 |
| 20120025642 | ROTATING ELECTRIC MACHINE - A rotating electric machine that can be improved in cooling performance is provided. An end plate includes an annular plate portion arranged to be spaced from a rotor in an axial direction and secured to a rotation shaft, and a tubular portion protruding from an outer edge of the annular plate portion to abut on an axial end surface of the rotor. A partition plate arranged between the rotor and an end plate forms a first space between the rotor and the partition plate and a second space between the annular plate portion and the partition plate. A communication passage allowing the first space and the second space to communicate with each other is formed in the partition plate at a radially outer side relative to a permanent magnet. A through hole extending through the annular plate portion in the axial direction is formed in the annular plate portion at a radially inner side relative to the permanent magnet. | 02-02-2012 |
| 20120001107 | Solenoid valve - A solenoid valve has a tapered valve seat disposed between a first flow passage and a second flow passage, a reduced diameter side of the valve seat that is connected with the first flow passage, and a valve body having a closing portion that reduces its diameter toward a tip facing the valve seat. The first flow passage and the second flow passage are connected/disconnected by sliding the valve body for contacting/detaching the closing portion to the valve seat, and a groove is disposed on the closing portion facing the direction of a fluid flow. | 01-05-2012 |
| 20110316388 | ULTRASONIC SENSOR - An ultrasonic sensor is disclosed. The ultrasonic sensor includes a piezoelectric element and an acoustic matching member. The piezoelectric element is configured to detect ultrasonic wave transmitted from a transmitter and reflected by a detection target object located in a detection target space. The acoustic matching member is configured to conduct the received ultrasonic wave to the piezoelectric element. The piezo electric element is covered with the acoustic matching member including a principal oscillation portion and a supplement oscillation portion. Thickness of a part of the supplement oscillation portion, the part covering the piezoelectric element, is smaller than a predetermined thickness threshold. | 12-29-2011 |
| 20110316367 | ROTARY ELECTRIC MACHINE WITH IMPROVED COOLING CAPABILITY - In a rotary electric machine, a stator coil includes in-slot portions each contained in a corresponding one of slots of a stator core. The stator coil includes turn portions each connecting one end of a corresponding one of the in-slot portions projecting from one axial end of the stator core with one end of a corresponding alternative one of the in-slot portions projecting the one axial end of the stator core. The turn portions provide an end portion of the stator coil. A coolant guide is placed to cover a circumferential outer part of the end portion of the stator coil from radially outside thereof and provided with holes therethrough. The coolant guide guides a coolant therealong in a circumferential direction of the end portion of the stator coil while guiding, through the holes, a part of the coolant to the end portion of the stator coil. | 12-29-2011 |
| 20110315909 | CONSTANT-RESIDUAL-PRESSURE VALVE - A constant-residual-pressure valve is disposed in a communication passage connecting a high-pressure fuel passage through which pressurized fuel flows with a low-pressure fuel passage through which the fuel flows toward a high-pressure pump. The constant-residual-pressure valve includes a valve body, a spring, and a spring stopper. The valve body can sit on a valve seat formed in an inner passage. The spring biases the valve body toward the valve seat. The spring stopper has a downstream-orifice of which flow passage area is smaller than that of a passage upstream of the valve seat. Thereby, cavitation between the valve body and the valve seat is less generated. | 12-29-2011 |
| 20110313620 | Steering control apparatus - A VGRS device checks whether assist control of an EPS device for assisting steering operation of a steering wheel is being stopped. If the assist control of the EPS device is being stopped, a speed increase ratio is determined so that the rotation angle of the output shaft is less than the rotation angle of the input shaft. A VGRS motor is controlled and driven based on a determined speed increase ratio. Thus, steering operation of the steering wheel can be controlled appropriately so that the steering operation of the steering wheel can be continued with relatively small torque. It is less likely that a driver will erroneously feel that the steering wheel is locked. | 12-22-2011 |
| 20110307163 | CONTROLLER OF INTERNAL COMBUSTION ENGINE - A controller performs compression self-ignition combustion control for combusting a mixture gas by injecting fuel into a cylinder in a negative valve overlapping period (NVO period), in which both of an exhaust valve and an intake valve are closed, and by causing self-ignition of the mixture gas using compression in a compression stroke. If knocking is detected during the above control, the controller performs knock suppression control for correcting a fuel injection quantity in the NVO period to suppress the knocking. If a pressure increase rate of cylinder pressure during the combustion is lower than a threshold value, the controller performs increase correction of the fuel injection quantity in the NVO period. If the pressure increase rate is equal to or higher than the threshold value, the controller performs decrease correction of the fuel injection quantity in the NVO period. | 12-15-2011 |
| 20110307123 | ELECTRIC POWER LINE COMMUNICATION SYSTEM FOR VEHICLE - An in-vehicle electric power line communication system includes: a pair of direct current electric power lines functioning as electrically equilibrated communication lines; multiple communication devices communicating with each other via the communication lines; and an ignition switch. Each communication device applies a high frequency signal to the communication lines so that equilibrium communication is performed. One communication line starts and stops supplying direct current electricity according to a status of the ignition switch. Each communication device detects an electric potential of the one communication line or a potential difference between the direct current electric power lines. Each communication device determines the operation status of the vehicle based on the electric potential or the potential difference. Each communication device performs the equilibrium communication according to the operation status of the vehicle. | 12-15-2011 |
| 20110303399 | Thermal diffuser and cooling apparatus for cooling heat source using the same - A thermal diffuser includes a plurality of thermally-conductive plates, each of which has a strip-like shape. The plurality of thermally-conductive plates is laminated onto one another in a plate-thickness direction of the strip-like shape to form a laminated body. Each of the plurality of thermally-conductive plates has thermal conductivities in a longitudinal direction and in a width direction of the strip-like shape better than a thermal conductivity in the plate-thickness direction. The thermally-conductive plates has sides, each of which extends in the longitudinal direction. The laminated body is formed such that the sides of the thermally-conductive plates form a plate surface of the laminated body, which surface extends in the plate-thickness direction that serves as a lamination direction, in which the thermally-conductive plates of the laminated body are laminated. A direction perpendicular to the plate surface corresponds to a thickness direction of the laminated body. | 12-15-2011 |
| 20110303171 | VALVE TIMING CONTROLLER - A valve timing controller has a case which defines a fluid chamber therein. A magnetic viscosity fluid is enclosed in the fluid chamber. The magnetic viscosity fluid including magnetic particles and its viscosity varies according to a magnetic field applied thereto. A coil and a control circuit applies magnetic field to the magnetic viscosity fluid to variably control a viscosity thereof. A brake rotor is rotatably accommodated in the fluid chamber and receives a brake torque from the magnetic viscosity fluid according to the viscosity thereof. A phase adjusting mechanism is connected to the brake rotor for adjusting a relative rotational phase between the crankshaft and the camshaft according to the brake torque. When it is estimated that the engine will be started, the coil is energized to generated heat in the magnetic viscosity fluid. | 12-15-2011 |
| 20110301846 | VEHICLE PERIMETER MONITOR - A vehicle perimeter monitor includes: a shooting device mounted on a vehicle for shooting an image of an outside of the vehicle; a controller including a detector and a generator, wherein the detector sets a detection line in a shot image, and detects a change amount of brightness of a picture cell on the detection line so that the detector detects movement of a moving object along with the detection line, and wherein the generator generates information display according to a detection result of the moving object; and a display for displaying the shot image and the information display. | 12-08-2011 |
| 20110293036 | Communication signal generating device and communication apparatus for use in communication system - The communication signal generating device is for use in a communication system where communication signals each of which is set at a first level or a second level are exchanged among a plurality of communication apparatuses through a communication line. The communication signal generating device includes a switching element provided in a communication line to connect the communication line to a ground or a constant voltage source, and a driving means to generate a first communication signal at the first level by turning on the switching element to thereby pass a certain current to the communication line, and generate a second communication signal at the second level by turning off the switching element to thereby pass no current to the communication line. The driving means is configured to gradually increase an output impedance of the switching element during one bit time of the first communication signal. | 12-01-2011 |
| 20110287732 | Wireless communication apparatus - In a wireless communication apparatus, when a first switch electrically connects a second antenna to an impedance matching circuit and a second switch electrically connects a first antenna to a reception circuit, a frequency signal output from an oscillator of the reception circuit is received by the second antenna and applied to the impedance matching circuit. Then, a controller controls the impedance of the impedance matching circuit so as to bring a RSSI voltage output from a signal strength detection circuit of the reception circuit into agreement with a reference RSSI voltage, thereby bringing the reference frequency of the first antenna into agreement with a reference frequency. | 11-24-2011 |
| 20110285424 | DIFFERENTIAL COMMUNICATION DEVICE - When a transmission signal is detected as having been changed from a high level to a low level, two transmission lines are connected for only a predetermined time through a diode by a first transistor and a second transistor. The diode is arranged such that its forward direction is from a high-side transmission line to a low-side transmission line. The diode turns on, when a potential of the high-side transmission line becomes higher than that of the low-side transmission line by ringing and a potential difference therebetween exceeds a forward drop voltage of the diode. As a result, a peak wave level of a positive side in the ringing is limited to the forward drop voltage of the diode. | 11-24-2011 |
| 20110285408 | Occupant detection apparatus - An occupant detection apparatus includes a capacitive sensor, a signal applying circuit, a signal detector, and a voltage applying circuit. The capacitive sensor has an electrode. The signal applying circuit applies a voltage amplitude signal to the electrode during a first time period, but does not apply the voltage amplitude signal to the electrode during a second time period. The voltage amplitude signal has a voltage with a varying amplitude. The signal detector detects a change in an electric current flowing through the capacitive sensor during the first time period. The voltage applying circuit applies a predetermined voltage to the electrode during the entire first time period and during at least part of the second time period. | 11-24-2011 |
| 20110262112 | Rotation detecting apparatus and rotation detecting system - A rotation detecting apparatus for detecting a rotational state of a direct-current motor includes a driving device, a control device, an energization detecting device, an alternating-current component detecting device, and a rotational state detecting device. An impedance between brushes of the motor changes periodically in accordance with rotation of the motor. The alternating-current component detecting device detects change of an alternating-current component of electric current that is supplied to the motor based on an electrical quantity. The change of the alternating-current component is caused by change of the impedance caused in accordance with the rotation. The rotational state detecting device detects at least one of a rotation angle, a rotational direction, and a rotational speed of the motor based on a detection result of the alternating-current component detecting device. | 10-27-2011 |
| 20110261651 | ULTRASONIC SENSOR - An ultrasonic sensor includes a transmitting device, receiving devices arranged in an array, and a circuit device. One receiving device is configured as a reference receiving device. The circuit device includes a reference signal generator and first and second synchronous detectors. The reference signal generator generates a reference signal by using a received signal of the reference receiving device. The first synchronous detector performs synchronous detection of a received signal of one of the receiving devices based on the reference signal to detect a distance to an object. The second synchronous detector performs synchronous detection of received signals of the receiving devices except the reference receiving device based on the reference signal to detect a direction of the object. | 10-27-2011 |
| 20110259287 | Engine cooling device - In an engine, a block-side flow path for circulating cooling water to cool a cylinder block, and a head-side flow path for circulating cooling water to cool a cylinder head are formed. A head-side outlet temperature of cooling water flowing out of the head-side flow path is adjusted by using a water pump that pressure sends the cooling water to both the block-side flow path and the head-side flow path. A block-side outlet temperature of cooling water flowing out of the block-side flow path is adjusted by a first thermostat that changes a flow amount of the cooling water flowing out of the block-side flow path. The cooling water flowing out of the block-side flow path is used as a heat source of first and second heater cores for heating air. | 10-27-2011 |
| 20110256841 | Wireless communication apparatus having automatic antenna tuning function - A matching circuit, connected to a receiving antenna and to the input of a receiving circuit, incorporates a variable capacitor that is adjustable for tuning the resonance frequency of the antenna to a desired reception frequency. In an automatic tuning mode of operation, an oscillator signal of different frequency from the reception frequency is applied to induce resonance of the antenna and matching circuit, and the variable capacitor is adjusted until an output signal level from the receiving circuit attains a predetermined value which has been stored beforehand in a memory and which corresponds to a condition whereby the antenna resonance frequency corresponds to the reception frequency and impedance matching exists between the antenna and receiving circuit. | 10-20-2011 |
| 20110254446 | Headlamp assembly - In a light chamber formed in a housing case and a lens cover placed at a front part of the housing case in a headlamp assembly, a projection lens, a shade and a light source are arranged in line from the front side of the light chamber along an optical axis of the light source. A radiating member has radiating fins of a plate shape vertically placed in the light chamber, and radiates heat energy generated by the light source to surrounding air. A slit composed of a vertical slit part and an inclined-slit part is formed in each of the radiating fins. The formation of the slit generates a change of heat capacity and a temperature difference at upper and bottom parts of each of the radiating fins. The incline-slit part is extended from the top of the vertical slit part to the upper part of the radiating fin. | 10-20-2011 |
| 20110251042 | ALUMINA SINTERED BODY - An alumina sintered body of the present invention has alumina crystals as a main phase and an amorphous grain boundary glass phase. The amorphous grain boundary glass phase is a grain-boundary glass phase having an amorphous glass component in which at least one of either CaO or MgO is added to SiO | 10-13-2011 |
| 20110242834 | Headlamp assembly for motor vehicle - In a light chamber formed by a housing case and a lens cover placed at a front part (which is open) of the housing case in a headlamp assembly, a projection lens, a shade and a light source are arranged in order from the front side of the light chamber along an optical axis of the light source. A reflector for reflecting light emitted from the light source is placed at a position which is opposite to the light source. A radiating member is composed of radiating fins of a plate shape vertically placed in the light chamber, and radiates heat energy generated by the light source to surrounding air. A control plate surrounds and crosses at a right angle to the radiating fins in the light chamber. The control plate has a size of suppressing air-convection around the radiating fins and is fixed to the housing case through poles. | 10-06-2011 |
| 20110242833 | Headlamp assembly for motor vehicle - In a light chamber formed by a housing case and a lens cover of a headlamp assembly, a projection lens and a light source are arranged in order along an optical axis of the light source from a front side of the light chamber. Radiating fins of a plate shape is vertically placed in the light chamber and radiate heat energy generated by the light source. A heat exchange chamber is formed in a ceiling wall of the housing case above the radiating fins. The heat exchange chamber has a concave shape from the ceiling wall of the housing case, and is open toward the radiating fins side. | 10-06-2011 |
| 20110234337 | Filter circuit for differential communication - In a filter circuit, first and second coils are connected to first and second communication lines, respectively. At a secondary side of the first and second coils, first and second capacitors are connected in series between the first and second communication lines. At a primary side of the first and second coils, third and fourth capacitors are connected in series between the first and second communication lines. A connection node between the first and second capacitors is grounded. A connection node between the third and fourth capacitors is grounded. The first and second coils are adjacently arranged in order to have a reversed polarity to each other. The filter circuit having the above structure works as a n-type filter capable of eliminate both common mode noise and normal mode noise. The filter circuit can eliminate noise caused by the first and second coils. | 09-29-2011 |
| 20110229327 | Centrifugal multiblade fan - A centrifugal multiblade fan includes a rotatable shaft, blades, a side shroud, and a main shroud. A front edge has a shape inclined radially outward in a direction from the main shroud toward the side shroud. When viewed from an axial direction, a corner part on a positive pressure surface-side is located on a tangential line of a positive pressure surface reference curve at a positive pressure surface side reference corner part, and when viewed from the axial direction, a curvature radius of a negative pressure surface becomes larger in a direction from the side shroud toward the main shroud. | 09-22-2011 |
| 20110221286 | ELECTRIC ROTATING MACHINE - An electric rotating machine includes a stator, a rotor, and a housing. The stator includes a stator core and a stator coil formed by laminating magnetic steel sheets. Each of the magnetic steel sheets has through-holes that are formed to penetrate the magnetic steel sheet in the axial direction of the stator core. All of the magnetic steel sheets are divided into groups each of which includes axially-adjacent n of the magnetic steel sheets, where n is an integer not less than 2. For each of the groups, corresponding n of the through-holes of the n magnetic steel sheets of the group communicate with one other to form an inside coolant passage. The inside coolant passage fluidically connects an outside coolant passage, which is formed between the housing and the radially outer surface of the stator core, with a corresponding one of the slots of the stator core. | 09-15-2011 |
| 20110216944 | In-vehicle white line recognition apparatus - An in-vehicle, white line recognition apparatus is disclosed. Form an image captured by a camera, the apparatus extracts multiple white line candidates including a first white line candidate and a second white line candidate. The apparatus calculates a certainty factor of each white line candidate, the certainty factor indicating a degree of certainty that the each white line candidate represents the white line. When the first and second white line candidates are, within a predetermined range and when a ratio of contrast of the first white line candidate to that of the second white line candidate is less than a predetermined value, the apparatus decreases the certainty factor of the first white line candidate. | 09-08-2011 |
| 20110215983 | Antenna device including helical antenna - In an antenna device, a first helical part of a first antenna and a second helical part of a second antenna is disposed in a dielectric body on a ground plane. Each helical part is helically wound up in a direction perpendicular to the ground plane and includes a plurality of one-turn portions. Each one-turn portion of the first helical part has a peripheral length of M times a wavelength λ of use, where M is a positive natural number. One of the one-turn portions of the second helical part closest to the ground plane has a peripheral length Ks that is N times the wavelength λ of use, where N is a positive natural number greater than M. One of the one-turn portions of the second helical part farthest away from the ground plane has a peripheral length Ke, and (M·λ)| 09-08-2011 | |
| 20110205035 | POWER LINE COMMUNICATION SYSTEM - A power line communication system includes a plurality of communication nodes, a communication line coupling the communication nodes, a direct current power line coupling a connection point of the communication line with one of a positive terminal of a battery and a supply terminal of a load, and a capacitor coupled between the direct current power line and a ground. The communication nodes communicate with each other by superimposing a high frequency signal having a wavelength of λ to the communication line. The capacitor is coupled with the direct current power line at a position where a line length from the connection point is (n×λ/2+λ/4), where n is a natural number including zero. | 08-25-2011 |
| 20110204716 | OPERATION CONTROL SYSTEM - In an operation control system, when a selection manipulation for blinking one of turn lamps is inputted using an in-vehicle combination switch, a frequency signal corresponding to the selection manipulation is outputted from a signal oscillation section to a signal transformation section via a common control line. In addition, the signal transformation section causes, out of two individual signal lines, an individual signal line corresponding to the inputted frequency signal to be in an active state. One of driver sections blinks one of turn lamps corresponding to the individual signal line being in the active state. It is noted that a drive control section stops temporarily operations of the turn lamps while both the input signal lines are in the active state. | 08-25-2011 |
| 20110200258 | Lane-marker recognition system with improved recognition-performance - In a lane-marker recognition system installed in a vehicle, an image pickup unit picks up an image of a target region including a road ahead of the vehicle, and a light-intensity detecting unit detects a change in a light intensity of the target region in the picked-up image. A lane-marker recognizing unit compares the change in the light intensity of the target region in the picked-up image with a predetermined threshold value, and recognizes a region of at least one lane marker in the target region based on a result of the comparison, the at least one lane marker being formed on the road. A re-determining unit re-determines the threshold value based on a light intensity of the recognized region of the at least one lane marker. | 08-18-2011 |
| 20110197850 | FUEL SUPPLY SYSTEM - A sub-injector injects liquid fuel into a vaporized-fuel chamber of a vaporized-fuel tank. The injected liquid fuel is vaporized in the vaporized-fuel chamber. The generated vaporized fuel is supplied to a combustion chamber through a vaporized-fuel passage. A supply of the vaporized fuel to the combustion chamber is controlled by a purge valve. Thereby, the vaporized fuel can be precisely supplied to the engine at a start of engine, so that emission can be reduced. | 08-18-2011 |
| 20110181725 | OPTICAL SENSOR DEVICE FOR VEHICLE - A camera unit is provided in a hollow portion of an electric motor. A rotor is rotatably arranged at an outer periphery of a stator. A cylindrical motor casing is attached to the rotor. A lens cover is attached to the motor casing at a position of a front side of a lens of the camera unit. The lens cover is rotated together with the motor casing and the rotor, so that attachment adhered to an outer surface of the lens cover is removed by centrifugal force. | 07-28-2011 |
| 20110178673 | WEIGHT DETECTION DEVICE FOR VEHICLE AND METHOD FOR DETECTING WEIGHT OF VEHICLE COMPONENT - A vehicle includes a wheel and a vehicle body connected with each other via a suspension having a spring. An oscillation detection unit detects an oscillation of the vehicle body in forward and backward directions. A resonance frequency detection unit detects a resonance frequency of the vehicle body according to a detection result of the oscillation detection unit. A weight determination unit determines a weight of the vehicle body according to the resonance frequency detected by the resonance frequency detection unit. | 07-21-2011 |
| 20110169547 | RINGING SUPPRESSION CIRCUIT - A ringing suppression circuit for a communication circuit that performs communication through a transmission line includes a high side switch connected between a high potential reference point and a high side line of the transmission line, a low side switch connected between a low potential reference point and a low side line of the transmission line, and a ringing suppression section. The ringing suppression section turns on the high side switch based on a difference between a potential of the high side line and a potential applied to a control terminal of the high side switch. The ringing suppression section turns on the low side switch based on a difference between a potential of the low side line and potential applied to a control terminal of the low side switch. | 07-14-2011 |
| 20110156509 | ELECTRIC ROTATING MACHINE WITH COOLING MECHANISM - An electric rotating machine includes a rotor, a stator in which a coil is so wound as to have an coil end, and a coolant supply pipe. The coolant supply pipe lies with a length thereof extending substantially parallel to an axis of rotation of the rotor and is disposed above the stator in a direction of gravitational force. The coolant supply pipe has a first and a second coolant outlet through which coolant is to be emitted to the coil end. The first and the second coolant outlets are so oriented as to direct streams of the coolant to a first area and a second area of the coil end which are different in location from each other. This enables the coolant to be emitted to almost the whole of the coil end even when the electric rotating machine is titled in a direction in which the rotor turns. | 06-30-2011 |
| 20110156508 | ELECTRIC ROTATING MACHINE WITH COOLING MECHANISM - An electric rotating machine is provided which includes a stator in which a coil is so wound as to have an coil end and a coolant channel. The coolant channel has defined therein a flow path through which coolant flows and a flow separator disposed in the flow path and a first and a second coolant outlet. The flow separator works to separate a flow of the coolant into at least a first and a second coolant streams. The first coolant outlet communicates with the first coolant stream, while the second coolant outlet communicates with the second coolant stream. The first and second coolant outlets drain the coolant to different portions of the coil end, thereby cooling almost the whole of the coil end even when the electric rotating machine is tilted undesirably. | 06-30-2011 |
| 20110150026 | SEMICONDUCTOR LASER PUMPED SOLID-STATE LASER DEVICE FOR ENGINE IGNITION - There is provided a semiconductor laser pumped solid-state laser device for engine ignition that can stably provide optical energy required for ignition across a wide temperature range. In the semiconductor laser pumped solid-state laser device for engine ignition, a plurality of semiconductor lasers | 06-23-2011 |
| 20110148258 | Rotation sensor and direct current motor - A direct current motor includes an armature coil having at least three phase coils, a commutator having multiple commutator segments connected to the armature coil, a pair of brushes in slidable contact with the commutator to supply power to the phase coils through the commutator, a rotation shaft, and a ring varistor coaxially fixed to the rotation shaft and having a ring-shaped varistor body and multiple electrodes that are circumferentially arranged on a surface of the varistor body. Each commutator segment is connected to a corresponding electrode of the ring varistor. The electrodes of the ring varistor are paired to form electrode pairs. Each electrode pair includes any two of the electrodes. A capacitance of one electrode pair is different from a capacitance of another electrode pair. | 06-23-2011 |
| 20110140818 | Input device - An input device includes an operating member, a restoring force generating part for automatically returning the operating member to a stationary position, a detector for detecting an operation state of the operating member, an actuator for applying an external force to the operating member and a controller for controlling the actuator. The operating member is displaceable in directions along a XY plane including an X axis and a Y axis and rotatable about a Z axis. The actuator includes a first magnet, a second magnet and an electromagnet having a core and a coil. One of the electromagnet and the first and second magnets is integrated with the operating member. At least in a stationary condition, the first magnet and the second magnet are located on opposite sides of an axis of rotation of the operating member, and are opposed to end surfaces of the core across predetermined clearances, respectively. | 06-16-2011 |
| 20110139619 | NOBLE METAL CATALYST POWDER, GAS SENSOR ELEMENT USING NOBLE METAL CATALYST POWDER, AND GAS SENSOR - A noble metal catalyst powder produced by using co-precipitation method is made of noble metal alloy particles containing Pa, Pd, and Rh. The noble metal alloy particles have an average particle size within a range of 0.2 μm to 2.0 μm. A standard deviation in content of each of Pa, Pd, and Rh is not more than 20 mass %. This standard deviation in content of each of Pa, Pd, and Rh is detected at not less than ten detection-points of the noble metal catalyst powder by quantitative elemental analysis. A gas sensor element has the noble metal catalyst powder. An A/F sensor is equipped with the gas sensor element using the noble metal catalyst powder. | 06-16-2011 |
| 20110135014 | Transmission device for differential communication - In a transmission device for differential communication, a first cathode-side element part is coupled between a first communication line and a cathode-side power supply line, a second cathode-side element part is coupled between a second communication line and the cathode-side power supply line, a first anode-side element part is coupled between the first communication line and an anode-side power supply line, and a second anode-side element part is coupled between the second communication line and the anode-side power supply line. A driving portion drives the element parts based on transmission data input from an outside. A target potential generating portion generates target potentials of the element parts based on potentials of the first communication line and the second communication line. | 06-09-2011 |
| 20110132591 | HEAT EXCHANGER AND METHOD OF MANUFACTURING SAME - Provided are a heat exchanger having a novel structure and efficiently cooling a heat generating body, and a method of manufacturing the heat exchanger. A heat exchanger has flow paths formed by being closed by an upper plate and a lower plate which have rectilinearly formed upstanding fins parallelly arranged at specific intervals, and gaps extend between adjacent fins in the top-bottom direction along the direction in which the fins extend. Either of or both the upper plate and the lower plate are provided with projections arranged in the longitudinal direction of the flow path and projecting inward of the flow path. | 06-09-2011 |
| 20110128995 | Wireless communication system - In a wireless communication system, a portable device transmits a first signal spread based on a reference period indicated by a synchronization signal transmitted from an in-vehicle device and transmits a second signal spread based on an operation by a user. The in-vehicle device sets a search period based on a variation range in a delay time from when the synchronization signal is transmitted to when the spread first signal is transmitted and sets a residual period that starts at an ending point of the search period and ends at an ending point of the reference period when a starting point of the reference period is set at a starting point of the search period. When the in-vehicle device fails in a synchronous acquisition for the search period, the in-vehicle device performs a synchronous acquisition process for the residual period. | 06-02-2011 |
| 20110124489 | CARBON-BASED MATERIAL COMBUSTION CATALYST, MANUFACTURING METHOD OF THE SAME, CATALYST CARRIER, AND MANUFACTURING METHOD OF THE SAME - A carbon-based combustion catalyst is obtained by calcining sodalite at a temperature of 600° C. or more. Alternatively, a carbon-based combustion catalyst is obtained by performing the following mixing step, drying step, and calcination step. In the mixing step, aluminosilicate (sodalite), and an alkali metal source, and/or an alkaline earth metal source are mixed in water to obtain a liquid mixture. In the drying step, the liquid mixture is heated to evaporate the water, thereby obtaining a solid. In the calcination step, the solid is calcined at a temperature of 600° C. or more so that a part or all of the sodalite structure is changed. The thus-obtained catalyst can cause carbon-based material to be stably burned and removed at a low temperature for a long time. | 05-26-2011 |
| 20110118077 | VEHICLE POWER TRANSMISSION DEVICE AND CONTROL SYSTEM FOR POWER TRANSMISSION - A power transmission apparatus for a vehicle which includes a first, a second, and a third rotor which split power among a motor-generator, an internal combustion engine, and a driven wheel of the vehicle. The apparatus also includes a torque transmission control mechanism which selectively transmits torque between the first rotor and the engine. When the torque transmission control mechanism establishes the transmission of torque between the first rotor and the engine, powers, as produced by the second and third rotors, are opposite in sign to each other. This enables the speed of the first rotor to be set to zero (0) or a very low speed. Therefore, when an initial torque is applied to the engine through the first rotor to start the engine, the mechanical vibration which usually arises from the application of initial torque and is to be exerted on the power transmission apparatus is minimized. | 05-19-2011 |
| 20110118075 | VEHICLE POWER TRANSMISSION DEVICE AND CONTROL SYSTEM FOR POWER TRANSMISSION - A power transmission apparatus for a vehicle which includes a first and a second planetary gear set to transmit power to a driven wheel. A ring gear of the first planetary gear set is coupled to the driven wheel. A carrier of the first planetary gear set is coupled to a ring gear of the second planetary gear set. A carrier and a sun gear of the second planetary gear set are so linked as to have signs of power which are opposite each other. A sign of speed of the ring gear of the second planetary gear set is reversed under the condition that the a sign of speed of a motor-generator is fixed, thereby reversing the sign of speed of the carrier of the first planetary gear set, which eliminate the circulation of power between the sun gear and the carrier of the first planetary gear set. | 05-19-2011 |
| 20110109544 | Display control device for remote control device - A display control device for a remote control device is disclosed. The display control device is connected with a display device for displaying an operation screen having multiple icons and a remote control device spaced apart form the display device. The display control device performs display control in the following way. The display control device displays an identification display mark in association with one icon in a selection state. When an instruction of an operation direction is inputted, the display control device displays a visual presentation indicative of the operation direction on the operation screen by making a change in display manner of the identification display mark, with the identification display mark being displayed in association with the one icon in the selection state. | 05-12-2011 |
| 20110108247 | COOLING APPARATUS FOR SEMICONDUCTOR ELEMENT - A semiconductor element cooling apparatus includes: a first member whose first surface on which a semiconductor element is mounted, and whose second surface has fins that define coolant flow paths, and that extend in a first direction, and that stand from the second surface to a predetermined height, and that are spaced from each other by predetermined intervals; and a second member that defines the coolant flow paths that extend in the first direction. The fins have grooves which extend in a second direction that intersects the first direction, and which have a depth that extends from the distal end side of the fins toward the second surface. The depth of the grooves is smaller than the height of the fins. A protrusion-forming member is disposed in the grooves, and extends across adjacent fins, and forms protrusions in the coolant flow paths defined by the adjacent fins. | 05-12-2011 |
| 20110084730 | TRANSMISSION APPARATUS FOR DIFFERENTIAL COMMUNICATION - A transmission apparatus for differential communication includes a driver bridge circuit and a pair of noise protection circuits. The driver bridge circuit includes four output devices that are independently connected between each of a pair of transmission lines and a power line or a ground line. Each noise protection circuit is provided to a corresponding transmission lines. Each noise protection circuit includes a ground potential detector and an impedance controller. The ground potential detector detects a potential of the corresponding transmission line with respect to the ground line. The impedance controller causes an impedance of the corresponding transmission line with respect to the ground line to become equal to an impedance of the other transmission line with respect to the ground line, when the detected potential becomes outside a predetermined potential range. | 04-14-2011 |
| 20110083935 | CLUTCH MECHANISM AND CLUTCH SYSTEM HAVING THE SAME - When a pulley and an armature are coupled with each other, first and second permanent magnets place the movable member at a location where a magnetic resistance of an attracting magnetic circuit, which generates an attracting magnetic force to couple between the pulley and the armature, is reduced. In contrast, when the pulley and the armature are decoupled from each other, the movable member is placed at a location where the magnetic resistance of the attracting magnetic circuit is increased, and a magnetic resistance of a non-attracting magnetic circuit is reduced. Thereby, a coupled state or a decoupled state of the pulley and the armature can be maintained without an erroneous operation. | 04-14-2011 |
| 20110066329 | DRIVING SUPPORT DEVICE - A driving support device includes: an in-vehicle camera for shooting an image toward a driving direction of the vehicle; a display device for displaying the image; a steering wheel angle detector for detecting a steering wheel angle of the vehicle; and a display controller for calculating an expected driving track corresponding to a vehicle width and the steering wheel angle and for controlling the display device to display the expected driving track overlapped on the image. The display controller calculates one steering wheel line, which has a curvature changeable in accordance with the steering wheel angle. The display controller controls the display device to display the one steering wheel line at a center of the expected driving track in a vehicle width direction. | 03-17-2011 |
| 20110035100 | Information presentation device - An information presentation device includes: a directional information obtaining element for obtaining directional information based on a signal from an enhancement device for safety or comfort of a passenger of a vehicle; an information presentation controller for generating a driving signal based on the directional information; and a stimulation element including multiple vibrators for generating a traveling wave of vibration in an in-vehicle element. A directionality of the traveling wave corresponds to the directional information. The stimulation element transmits the traveling wave to the passenger so that the passenger perceives the directionality of the traveling wave. | 02-10-2011 |
| 20110032374 | Image correction apparatus and method and method of making transformation map for the same - An image correction apparatus, an image correction method and a transformation map making method are disclosed. The apparatus includes an imaging device, a memory section, a corrected image creation section and a display device. The imaging device has an optical axis inclined upward or downward with respect to a ground surface, and captures an image. The corrected image creation section transforms the captured image into a corrected image in accordance with a transformation map stored in the memory section, thereby making a correction on inclination of a display object with respect to a vertical direction. The display device displays the corrected image. | 02-10-2011 |
| 20110028260 | POWER TRANSMISSION DEVICE AND POWER TRANSMISSION SYSTEM - A power transmission device includes a planetary gear set and a first and a second connecting mechanism. The planetary gear set receives power from a power source and outputs it to a power-driven member. The first connecting mechanism connects a first and a second rotor of the planetary gear set through a separate path. The second connecting mechanism connects the second rotor and a third rotor of the planetary gear set through a separate path. The controller is operable selectively in a first operation mode in which the second connecting mechanism is engaged, while the first connecting mechanism is disengaged and a second operation mode in which the second connecting mechanism is engaged, while the first connecting mechanism is disengaged. This ensures suitable mechanical connections among the power source, the power-driven member, and the power split mechanism which match with an operating condition of the power transmission device. | 02-03-2011 |
| 20110017172 | CONTROLLER FOR INTERNAL COMBUSTION ENGINE - An ON-ignition signal is outputted from an ignition control portion in a period from a posterior time point of the power stroke to an valve opening timing of an exhaust valve so that a capacitor is charged. Then, when it is determined that the maximum value of an ion-output value detected during a negative valve overlap period becomes greater than or equal to a threshold, it is determined that the applied voltage between an center electrode and a ground electrode of a spark plug is dropped. The ON-ignition signal is outputted again to charge the capacitor before the intake valve is opened. | 01-27-2011 |
| 20110002797 | Rotary machine - A rotary machine sucking in working fluid through a suction port into a housing and discharging it through the discharge port, provided with a motor stator provided at an inside circumferential surface of the housing and having inside surfaces which include a step surface designed to enclose a housing interior cavity by the inside surfaces; first and second motor rotors arranged at the insides of the inside surfaces separated by the step surface of the motor stator; and first and second rotational units, the first and second rotational units coupled to the first and second motor rotors respectively, and the first and second rotational units supported at the housing adjoiningly and eccentrically to each other. | 01-06-2011 |
| 20100313850 | FUEL INJECTION VALVE AND FUEL INJECTION DEVICE - It is equipped with an injector body | 12-16-2010 |
| 20100303127 | Vehicle compartment wireless communications apparatus - It is determined whether each of several subcarriers has an adequate propagation characteristic in a first horizontally polarized wave antenna. Of the several subcarriers, a subcarrier, which is determined to have an adequate propagation characteristic in the first horizontally polarized wave antenna, is assigned with transmission data. A transmission signal containing the transmission data is thereby transmitted from the first horizontally polarized wave antenna. In addition, of the several subcarriers, a subcarrier, which is determined not to have an adequate propagation characteristic in the first horizontally polarized wave antenna, is also assigned with transmission data in either a second horizontally polarized wave antenna or a vertically polarized, wave antenna. A transmission signal containing the transmission data is thus transmitted from the second horizontally polarized wave antenna or the vertically polarized wave antenna. | 12-02-2010 |
| 20100302113 | In-vehicle antenna device - An in-vehicle antenna device includes: a dielectric element having a front surface, first and second side surfaces and a rear surface and including a power supply point on both the first and second side surfaces, a first conductive surface on the first side surface, a second conductive surface on the second side surface, and a third conductive surface on the rear surface; and an antenna element including a base element coupled with the power supply point at one corner of the front surface and a branch element connected to the base element and having an end. A part of the branch element moves apart from one of the first and second conductive surfaces as it goes from the base element to the one end of the branch element. The front surface is attached to a windshield of a vehicle. | 12-02-2010 |
| 20100294242 | FUEL INJECTION VALVE AND FUEL INJECTION DEVICE - It is equipped with an injector body | 11-25-2010 |
| 20100289604 | ELECTROMAGNETIC RELAY - An electromagnetic relay switches to conduct and interrupt currents having different magnitudes and flowing though mutually opposite paths via the electromagnetic relay. The relay includes a coil generating a magnetic force and a pair of contact sections opened and closed selectively by the magnetic force. The contact sections comprise a pair of fixed contacts and a pair of movable contacts. Each fixed contacts is held by a pair of conductive fixed holders and is near a tip section of each fixed holder. The movable contacts are fixed to a conductive movable holder and moves toward and away from the fixed holders selectively in response to the magnetic force. The relay further includes two arc-extinguishing magnet members adjacent to the contact sections such that, the arc generated by interrupting one current having a magnitude larger than the other current is extended toward the tip section at each contact section. | 11-18-2010 |
| 20100289387 | Rotation detecting apparatus and direct current motor - A rotation detecting apparatus includes a direct-current motor, a power source part, an energization detecting part, and a rotation state detecting part. The direct-current motor is configured so that an inductance between a pair of brushes periodically changes in accordance with a rotation. The power source part applies a power source voltage between the pair of brushes. In the power source voltage, an alternating-current voltage is superimposed on a direct-current voltage. The energization detecting part detects an electric quantity related to the alternating-current voltage applied from the power source part to the direct-current motor. The rotation state detecting part detects at least one of a rotation angle, a rotation direction, and a rotation speed of the direct-current motor based on a change in an amplitude of an alternating-current component in the electric quantity detected by the energization detecting part. | 11-18-2010 |
| 20100289356 | MOTOR - The present invention provides, as one aspect, a motor including a rotor fixed to a rotating shaft, a stator provided around the outer periphery of the rotor via a gap, and a power converter which is connected to polyphase windings arranged in slots formed in the stator. The power converter performs control by which current from a DC power source is converted to polyphase alternating current which flows to the polyphase windings. The motor includes a housing which is fixed to the outer periphery of the stator via an insulating layer. The stator is connected to a positive electrode side bus, which is connected to a positive electrode of the DC power source, or a negative electrode side bus, which is connected to a negative electrode of the DC power source. | 11-18-2010 |
| 20100281901 | Air conditioner for vehicle - In an air conditioner for a vehicle, in a heating operation for heating a vehicle compartment, when heating capacity is obtained by flowing a coolant through an inside of an indoor heat exchanger, the coolant flows directly in the inside of the indoor heat exchanger to heat air to be supplied to the vehicle compartment. In contrast, when the heating capacity is not obtained by flowing the coolant through the inside of the indoor heat exchanger, the coolant flows through a first water-refrigerant heat exchanger and a refrigerant in a heat pump cycle circulates so that heat of the coolant is absorbed by the refrigerant in the first water-refrigerant heat exchanger, and the air is heated in the indoor heat exchanger by using heat of the refrigerant that has absorbed the heat of the coolant. | 11-11-2010 |
| 20100273605 | IN-VEHICLE POWER TRANSMISSION DEVICE AND POWER TRANSMISSION SYSTEM FOR VEHICLE - An in-vehicle power transmission apparatus is equipped with a motor-generator working as an engine to drive a vehicle and a power split device made up of a plurality of power split rotors. A first one of the rotors is coupled to a driven wheel of the vehicle, while a second one of the rotors is coupled to an accessory such as an air compressor of an air conditioner. The speed of the second rotor is controllable independently of that of the driven wheel. This eases restrictions on the supply of power produced by the generator-motor to the accessory. Alternatively, the rotors are so linked that when the speed of the first rotor is not zero (0), the speed of the second rotor has one of zero (0) and a value other than zero (0), thus ensuring the stability in supplying the power to drive the vehicle to the accessory. | 10-28-2010 |
| 20100271002 | DISCHARGE AMOUNT MEASURING DEVICE AND METHOD FOR ROTATIONAL ELECTRIC MACHINE - A discharge amount measuring device includes a power source, first and second sensors, a calibration wire, and a measuring portion. The power source applies a voltage to a coil of a rotational electric machine. The first sensor detects a current flowing through the coil. The calibration wire has an end connected to the coil. The second sensor detects a current flowing through the calibration wire. The measuring portion forms a calibration line based on a first waveform detected by the first sensor and a second waveform detected by the second sensor. The measuring portion calculates a discharge amount based on the calibration line. | 10-28-2010 |
| 20100270155 | GAS SENSOR ELEMENT, GAS SENSOR EQUIPPED WITH GAS SENSOR ELEMENT, AND METHOD OF PRODUCING GAS SENSOR ELEMENT - A gas sensor element has a solid electrolyte of an oxygen ion conductivity, a target gas electrode formed on one surface of the solid electrolyte, a reference gas electrode formed on the other surface of the solid electrolyte, a porous diffusion resistance layer through which the target gas passes to reach the target gas electrode, and a catalyst layer formed on an outer surface of the porous diffusion resistance layer. The target gas electrode is formed around the porous diffusion resistance layer. The catalyst layer contains noble metal catalysts. The noble metal catalysts contain at least rhodium and palladium. A content of rhodium is not less than 10 mass % and a content of palladium is not less than 20 mass % to the entire of the noble metal catalysts. | 10-28-2010 |
| 20100270154 | GAS SENSOR ELEMENT, GAS SENSOR EQUIPPED WITH GAS SENSOR ELEMENT, AND METHOD OF PRODUCING GAS SENSOR ELEMENT - A gas sensor element has a solid electrolyte with an oxygen ion conductivity, a target gas electrode formed on one surface of the solid electrolyte, a reference gas electrode formed on the other surface of the solid electrolyte, a porous diffusion resistance layer through which the target gas passes to reach the target gas electrode, and a catalyst layer formed on an outer surface of the porous diffusion resistance layer. Through the catalyst layer, the target gas is introduced to the inside of the gas sensor element. The target gas electrode is formed around the porous diffusion resistance layer. The catalyst layer contains noble metal catalysts. The noble metal catalysts contain at least rhodium and palladium. The noble metal catalysts have an average particle size of not less than 0.3 μm. | 10-28-2010 |
| 20100264760 | ELECTRIC ROTATING MACHINE - The electric rotating machine includes a rotor relatable around a rotating shaft disposed horizontally, a stator core formed with slots, and a stator coil constituted of in-slot portions each of which is accommodated in a corresponding one of the slots, and turn portions each of which connects corresponding adjacent two of the in-slot portions at a position outside the stator core. The turn portions form a coil end projecting axially outward from an end surface of the stator core at each of both axial end sides of the stator core. The coil end is formed in a cylindrical shape including an axial end surface of a flat shape, and inner and outer peripheral surfaces of a circular shape. The electric rotating machine further includes a coolant supply section to supply coolant to an upper part of the outer peripheral surface of the coil end. | 10-21-2010 |
| 20100263633 | FUEL INJECTION VALVE AND FUEL INJECTION APPARATUS - The injector body | 10-21-2010 |
| 20100259617 | Boundary line recognition apparatus - In a boundary line recognition apparatus, a boundary line candidate extracting part extracts boundary line candidates from image data obtained by an on-vehicle camera based on known image processing such as pattern matching and Hough transform. One or more kinds of boundary line feature calculating parts calculate one or more likelihoods of each boundary line candidate. The likelihood indicates a degree of probability to be the boundary line. A boundary line feature combining means multiplies the likelihoods of each boundary line candidate and outputs a combined likelihood. A boundary line candidate selecting part selects the boundary line candidate having a maximum likelihood as the boundary line. The boundary line feature calculating part further calculates the likelihood of the boundary line candidate using a dispersion of brightness and an internal edge amount, and changes the likelihood based on an additional likelihood obtained by a driving lane surface feature extracting part. | 10-14-2010 |
| 20100259121 | POWER TRANSMISSION DEVICE - A power transmission device for transmitting a driving force from a vehicle-mounted driving source to a vehicle-mounted rotary device includes a driving rotor mechanically coupled to the vehicle-mounted driving source via a belt, and a driven rotor disposed coaxially with the driving rotor and mechanically coupled to a drive shaft of the vehicle-mounted rotary device. Furthermore, the power transmission device is provided with a magnetic join portion disposed in at least one of the driving rotor and the driven rotor, and the magnetic join portion is adapted to transmit a rotary driving force from the driving rotor to the driven rotor by a magnetic force, while keeping a predetermined clearance between the driving rotor and the driven rotor. Thus, in the power transmission device, a natural frequency can be made much lower than a frequency of vibration generated from the vehicle-mounted rotary device in idling of a vehicle. | 10-14-2010 |
| 20100257722 | STATOR OF ELECTRIC ROTATING MACHINE - A method of manufacturing an electric rotating machine having a stator that includes a stator core having slots formed at an inner periphery thereof, and a stator winding constituted by conductive wires wound on the slots. The stator winding includes in-slot portions accommodated in the slots and turn portions each connecting each adjacent two of the in-slot portions outside the slots. The stator core includes a core member having at least three tooth portions extending in a radial direction of the stator core and a core back portion integrally connecting the tooth portions at a radially end side thereof. The core member is configured such that each of the first tooth portions folded toward the core back portion is capable of unfolding to extend between a corresponding adjacent two of the in-slot portions when the core member is at a predetermined axial position with respect to the stator winding. | 10-14-2010 |
| 20100251980 | Valve timing controller - A first one-way valve is provided in a first advance passage connecting a hydraulic pump to a control advance chamber. A second one-way valve is provided in a first retard passage connecting the hydraulic pump to a control retard chamber. A first control valve is provided in a second advance passage to bypass the first one-way valve for communication of the first advance passage. A second control valve is provided in a second retard passage to bypass the second one-way valve for communication of the first retard passage. The first control valve operates by the pilot pressure to close the second advance passage at advance controlling and opening it at retard controlling. The second control valve operates by the pilot pressure to close the second retard passage at retard controlling and open it at advance controlling. | 10-07-2010 |
| 20100250100 | Mount structure of fuel injection valve and fuel injection system - A combustion chamber side end portion of a fuel injection valve is placed at a location that overlaps with an imaginary plane, which is perpendicular to a center axis of a cylinder and extends along a portion of a wall surface of an intake port where an intake valve protrudes, or is projected out from the imaginary plane toward a combustion chamber. Alternatively, a center of a fuel injecting side end port of the fuel injection valve, which injects fuel into intake air that flows in a branch port branched from the intake port, may be placed on the center axis side of the intake valve in a radial direction of the cylinder. Further alternatively, an upstream side fuel injection valve may inject fuel into intake air that flows in the intake port, and a downstream side fuel injection valve may inject fuel into intake air that flows in the branch port branched from the intake port. Alternatively, an injection quantity of fuel may be controlled for each of fuel injection valves, which injects fuel into intake air that flows in the corresponding branch port branched from the intake port. | 09-30-2010 |
| 20100245574 | Vehicle periphery display device and method for vehicle periphery image - An imaging unit photographs an image of a periphery of the vehicle. An object detection unit obtains image information related to a brightness or a color of the image and position information on the obtained image from the image and detects object from the image information according to a specific feature of the image. A storing unit prestores a vehicle image and history data, which include the image information associated with the position information. A graphic unit overlaps the vehicle image and an image produced according to the history data and converts the overlapped image to be viewed from a predetermined viewpoint. A peripheral image display region indicates a present periphery of the vehicle. A history display region is adjacent to the peripheral image display region for indicating the converted image and the detected object at a position according to the position information. | 09-30-2010 |
| 20100245192 | Antenna apparatus - An antenna apparatus includes: a ground substrate; and a loop antenna having first and second polarized wave surfaces, which are perpendicular to the substrate. The substrate provides an antenna, which is excited and vibrated together with the loop antenna. The antenna has a first polarized wave component in parallel to the first polarized wave surface and a second polarized wave component in parallel to the second polarized wave surface. A polarized wave ratio between the first polarized wave component and the second polarized wave component in the substrate is substantially equal to a polarized wave ratio between the first polarized wave surface and the second polarized wave surface in the loop antenna. | 09-30-2010 |
| 20100243446 | GAS CONCENTRATION DETECTING SYSTEM AND GAS SENSING DEVICE HAVING THE SYSTEM - A gas concentration detecting system has a first cell generating electric current at first oxygen sensitivity, a second cell generating current at second oxygen sensitivity and a reference cell generating current at reference oxygen sensitivity. The cells have the same structure except that the second cell has a catalyst layer for removing hydrogen as from measured gas containing oxygen gas. The system determines first corrected current from current of the first cell exposed to measured gas, current of the first cell exposed to inspection gas containing oxygen gas at reference concentration and reference cell current of the reference cell exposed to inspection gas, determines second corrected current from current of the second cell exposed to measured gas, current of the second cell exposed to inspection gas and the reference cell current, and detects concentration of hydrogen gas in measured gas from the corrected currents. | 09-30-2010 |
| 20100237174 | FUEL INJECTOR - A fuel injector has a plurality of fuel injection ports including first injection ports and second injection ports. Injection-port axes of the first injection ports extend to a first space in a combustion chamber. Injection-port axes of the second injection ports extend to a second space in a combustion chamber. An interval of the injection-port axes between adjacent first injection ports is shorter than an interval of the injection-port axes between the first injection port and the second injection port which are adjacent to each other. | 09-23-2010 |
| 20100232478 | Receiver for spread spectrum communication - A receiver for spread spectrum communication includes a receiver for receiving a wireless signal, a demodulator for demodulating the wireless signal into a spread spectrum signal, a correlation value calculator for calculating a correlation value between the spread spectrum signal and a spreading code having a predetermined number of chips, a synchronization detector for detecting a synchronization point between the spread spectrum signal and the spread signal based on the correlation value, a despreading device for despreading the spread spectrum signal based on the synchronization point, a noise level detector for detecting a noise level of the wireless signal, and a code number setting device for determining the number of chips of the spreading code in such a manner that there is a positive correlation between the noise level and the number of code portions. | 09-16-2010 |
| 20100229813 | ALUMINA SINTERED BODY AND METHOD FOR MANUFACTURING SAME, AND SPARK PLUG COMPRISING THE ALUMINA SINTERED BODY AS AN INSULATOR - An alumina sintered body comprises alumina crystals as a main phase and a grain boundary phase made up of crystalline Y | 09-16-2010 |
| 20100220551 | Physical object detection system - In an obstacle detection system, a wave transmitted by a transmitting element and received by receiving elements as a receiving wave includes extraneous waves, which are reflection waves from other than an obstacle, and obstacle reflection waves from an obstacle. It is determined that, an obstacle is present, if the reflection waves are detected as having an amplitude (voltage) greater than a threshold level and a reception time difference between time points at which the amplitude exceeds threshold level at the receiving elements is less than a predetermined time. | 09-02-2010 |
| 20100220550 | Obstacle detection apparatus and method for detecting obstacle - A transmission and reception device is located at a predetermined height on a movable object and directed toward an outside. The transmission and reception device includes a transmission unit for repeatedly transmitting sensing waves at a predetermined interval and a reception unit for receiving reflective waves of the sensing waves from a detected object. A peak value detecting unit detects peak values of the received reflective waves and stores the detected peak values. A difference arithmetic unit calculates a difference in the detected peak values with movement of the movable object closer to the detected object. An object determination unit determines the detected object to be a near-road-surface obstacle, which is close to a road surface, when the difference is a negative value. The object determination unit determines the detected object to be an other obstacle than the near-road-surface obstacle when the difference is a positive value. | 09-02-2010 |
| 20100212634 | DEVICE AND METHOD FOR CONTROLLING IGNITION TIMING OF INTERNAL COMBUSTION ENGINE - An engine ECU executes a program that includes the steps of: calculating (S | 08-26-2010 |
| 20100201818 | Vehicle periphery displaying apparatus - A vehicle periphery displaying apparatus for a vehicle is disclosed. The apparatus includes: an imaging device for capturing a periphery image; a storage medium for storing history data comprising one of the periphery image and information on an object-in-periphery, the storage medium pre-storing a vehicle image; a display screen having a real-time displaying part for displaying thereon the periphery image with distortion of the periphery image being uncorrected, and a history displaying part for displaying thereon the vehicle image and a history image being produced based on the history data; and a drawing section configured to superimposingly draw the vehicle image and the history image provided with the distortion that the periphery image has, such that the object-in-periphery shown in the history image is continuously connected to that shown in the periphery image. | 08-12-2010 |
| 20100200427 | SOLID ELECTROLYTE, METHOD OF PRODUCING THE SOLID ELECTROLYTE, AND GAS SENSOR EQUIPPED WITH GAS SENSOR ELEMENT USING THE SOLID ELECTROLYTE - A solid electrolyte is made of zirconia grains containing yttria and alumina grains dispersed in the zirconia grains. In the solid electrolyte, the yttria content per zirconia content is within a range of 2 to 10 mol. %, the relative density is not less than 93%, and the average particle size Rz of the zirconia grains is not more than 2 μm, an average particle size Ra of the alumina grains is not more than 1 μm. The average particle size Ra of the alumina grains is smaller than the average particle size Rz of the zirconia grains. An average distance value A | 08-12-2010 |
| 20100185351 | HYBRID VEHICLE - A hybrid vehicle includes an engine that is an internal combustion engine, a motor generator that is a rotating electric machine used together with the engine for driving the vehicle, an output shaft transmitting power to a wheel, a transmission member coupled to the output shaft, a power split device splitting the output from the engine to the motor generator and transmission member, a detection device detecting irregularities on a road, and a control unit reducing, when the detected result by the detection device indicates generation of periodic torque variation at the output shaft, the output from the engine based on the detected result. Accordingly, a hybrid vehicle that does not require a torque limiter is provided. | 07-22-2010 |
| 20100182209 | Helical antenna and in-vehicle antenna including the helical antenna - A helical antenna includes a ground plate, a first helical portion spirally wound perpendicular to the plate, a second helical portion spirally wound perpendicular to the plate and surrounding the first helical portion radially outward of the first helical portion, and a feeder circuit. The circuit includes an oscillator, a divider connected to the oscillator, a first phase shifter connected between a first output terminal of the divider and a feeding point of the first helical portion, and a second phase shifter connected between a second output terminal of the divider and a feeding point of the second helical portion. Length of one turn of the first helical portion is equal to a result of multiplication of a wavelength of oscillation of the oscillator by N. Length of one turn of the second helical portion is equal to a result of multiplication of the wavelength by M (M>N). | 07-22-2010 |
| 20100177829 | Receiving device including impedance control circuit and semiconductor device including impedance control circuit - A receiving device includes a receiving circuit and an impedance control circuit. The receiving circuit receives a signal transmitted through a communication line. The impedance control circuit is coupled with the receiving circuit and has a detecting part. The detecting part detects a physical value of the signal and the physical value includes at least one of a voltage, an electric current, and an electric power. The impedance control circuit changes an input impedance based on the detected value so that a ringing of the signal is reduced. | 07-15-2010 |
| 20100170349 | Force sensing device - The force sensing device includes a deformable member having portions arranged to make a pair with respect to the Z-axis. Three sets of strain detecting elements are formed on the deformable member for detecting deformations of the deformable member caused by a linear force in the X-axis, a linear force in the Y-axis and a rotational force about the Z-axis. The force sensing device includes a connecting member which connects between the pair of portions of the deformable member, and between the deformable member and a shaft of a manipulatable member. The force sensing device can be manufactured with easy wiring work and can detect the applied force in three degrees of freedom, including the linear force in the X-axis, the linear force in the Y-axis and the rotational force about the Z-axis. | 07-08-2010 |
| 20100163006 | EXHAUST GAS RECIRCULATION APPARATUS - An EGR control device is provided in a branched-off pipe portion of a recirculation pipe unit. The EGR control valve is opened during an exhaust gas recirculation period, which is a part of a valve-opening period of an intake valve, so that exhaust gas is re-circulated into a combustion chamber during the exhaust gas recirculation period. As a result, swirl flow of the re-circulated exhaust gas to be formed in the combustion chamber is increased to improve ignitionability and to facilitate combustion of air-fuel mixture. | 07-01-2010 |
| 20100162794 | DEVICE AND METHOD FOR DETERMINING KNOCKING OF INTERNAL COMBUSTION ENGINE - An engine ECU executes a program including the steps of: calculating an absolute value ΔS(I) of the deviation of the vibration waveform detected by a knock sensor and a knock waveform model from each other at each crank angle; when ΔS(I) greater than threshold value ΔS( | 07-01-2010 |
| 20100162793 | DEVICE AND METHOD FOR DETERMINING KNOCKING OF INTERNAL COMBUSTION ENGINE - An engine ECU executes a program including calculating a correlation coefficient by dividing the sum of respective absolute values, which are each a difference between a magnitude in an engine vibration waveform and a magnitude in a knock waveform model for every crank angle, by an area corresponding to magnitudes equal to or larger than a positive reference value in the knock waveform model, and determining whether or not knocking has occurred based on the correlation coefficient. | 07-01-2010 |
| 20100157302 | LIQUID FUEL PROPERTY DETECTION SYSTEM - A liquid fuel property detection apparatus includes a fuel passage, a light emitting device for emitting a light including a plurality of predetermined wavelengths toward the fuel in the passage, a light receiving device for receiving the light passing through the fuel, and a calculation unit for calculating the concentration of at least one of aroma, paraffin and olefin, which are hydrocarbon component components contained in the fuel. The calculation unit calculates the concentration of a specific component, which is one of aroma, paraffin and olefin, based on the reference transmittance of light in the specific component and the actual transmittance calculated from the amount of light emitted by the light emitting device and the amount of light received by the light receiving device with respect to each wavelength of the light. | 06-24-2010 |
| 20100155240 | GAS SENSOR ELEMENT AND GAS SENSOR EQUIPPED WITH THE SAME - A gas sensor element is composed of a sensor section, a heater section, and a porous protective layer. The sensor section is composed of a solid electrolyte layer and a pair of electrodes. The heater section heats the sensor section to activate it. The porous protective layer covers surfaces of the sensor section and the heater section of the gas sensor element in a gas sensor which is exposed to a target detection gas to be detected. The porous protective layer is made of a mixture of hydrophobic heat resisting particles having a contact angle of not less than 75° to a drop of water, and the hydrophilic heat resisting particles having a contact angle not more than 30° to a drop of water. A gas sensor equipped with the above gas sensor element is also disclosed. | 06-24-2010 |
| 20100139606 | BAFFLE PLATE - A baffle plate includes a discharge portion that discharges lubricating oil that has dropped onto the baffle plate, to an oil pan. The discharge portion extends to be inclined in a direction in which cylinders are arranged, with respect to a rotation central axis of a crankshaft. The discharge portion includes a guide groove in which an upstream portion in a rotational direction of the crankshaft is located under a counter weight, and a downstream portion in the rotational direction of the crankshaft is located under a crank bearing. The discharge portion includes a discharge hole that is formed in the downstream portion of the guide groove in the rotational direction, and that provides communication between the oil pan and an engine block. | 06-10-2010 |
| 20100125187 | Blood constituent concentration detector and starter for transporter - A blood constituent concentration detector includes: a detection portion having an optical window for measuring a blood constituent concentration of a part, of a living body in an optical manner when the part of the living body is pressed on the detection portion; a load determination element for determining whether a load to the detection portion is equal to or larger than a first threshold, and smaller than a second threshold, wherein the second threshold is larger than the first threshold; and a measurement element for measuring the blood constituent concentration when the load determination element determines that the load to the detection portion is equal to or larger than the first threshold, and smaller than the second threshold. | 05-20-2010 |
| 20100120579 | In-vehicle power transmission device and driving system for vehicle - An in-vehicle power transmission apparatus is equipped with a plurality of power split rotors and a power transmission control mechanism. The power split rotors work to split power among a rotary electric machine such as a motor-generator, an internal combustion engine, and a driven wheel of the vehicle. If rotational energy, as outputted from the power split rotors, is defined as being positive in sign, the power split rotors are so assembled that when the power transmission control mechanism establishes transmission of the rotational energy that is positive in sign as the power from a first rotor that is one of the power split rotors to the internal combustion engine, the other power split rotors are so linked as to provide output rotational energies which are opposite in sign to each other. This enables the speed of the first rotor to be placed at substantially zero. | 05-13-2010 |
| 20100088006 | FUEL INJECTION APPARATUS - A fuel injection apparatus for an engine includes a fuel pump, a common rail, a fuel injection valve, and a pressure detector. The pressure detector detects pressure of fuel as actual fuel pressure. The apparatus compares the actual fuel pressure with target fuel pressure determined based on an operational state of the engine. The apparatus computes at least one of a lift amount, by which a nozzle needle of the valve is displaced from a valve seat of the valve, and a lifting speed, at which the nozzle needle is displaced from the valve seat, to be smaller with an increase of a difference between the target and actual fuel pressures when the actual fuel pressure is greater than the target fuel pressure. The apparatus applies the drive pulse to the drive unit based on the at least one of the lift amount and the lifting speed. | 04-08-2010 |
| 20100076651 | VEHICLE DOOR CONTROL APPARATUS AND METHOD FOR CONTROLLING VEHICLE DOOR - A laser sensor is located close to a rotation axis of a vehicle door and configured to emit a laser beam to a surface of the vehicle door and accept reflected light reflected from an obstacle for scanning a scanning plane shifted in a door-opening direction, in which the vehicle door is openable. A determination section determines whether an obstacle, which is possible to make contact with the vehicle door, exists in the door-opening direction of the vehicle door, based on a result of emission and acceptance of the laser beam of the laser sensor. An opening regulating section regulates an opening of the vehicle door in response to determination of the determination section that the obstacle exists. | 03-25-2010 |
| 20100060074 | ROTARY PUMP AND BRAKE DEVICE IN WHICH ROTARY PUMP IS PROVIDED - In an inner wall surface of a casing, grooves are formed that correspond to end faces of an outer rotor and an inner rotor, and seal members are disposed within the grooves, the seal members presses against the end faces of the outer rotor and the inner rotor. Inclined portions are provided in sealing portions of resin members of seal members, the sealing portions covering a closed portion. With this configuration, an internal pressure in the closed portion causes the inclined portions to separate from an outer rotor and an inner rotor when a brake fluid pressure within the closed portion increases to the point that the brake fluid is excessively compressed, releasing the brake fluid that is inside the closed portion. It is therefore possible to prevent the brake fluid pressure from increasing excessively within the closed portion. | 03-11-2010 |
| 20100059020 | FUEL SUPPLY SYSTEM AND FUEL SUPPLY CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE - At the time of shifting a fuel property value associated with a first imaginary passage cell as a fuel property value associated with a second imaginary passage cell located on the downstream side thereof, the fuel property value associated with the second imaginary passage cell is corrected in a controller by computing a difference between the fuel property value associated with the first imaginary passage cell and the fuel property value associated with the second imaginary passage cell and multiplying the difference by a correction coefficient. A stoichiometric air/fuel ratio is computed in the controller based on the fuel property value, which is associated with a last one of the imaginary passage cells. Fuel injection of an injector is controlled by the controller based on a computed injection quantity of fuel, which is computed based on the stoichiometric air/fuel ratio. | 03-11-2010 |
| 20100053637 | Location detection apparatus - A location detection apparatus is disclosed that includes: a light source; a light output side reflector having a reflecting surface for reflecting light from the light source to a space; a rotation mechanism for rotating the light output side reflector; a first light receiving element for receiving the light reflected from an object existing in the space; a light reception side reflector for reflecting the light from the object to the first light receiving element; a second light receiving element for receiving the light from the light output side reflector; a light conductor for conducting the light reflected from or transmitted through the reflecting surface toward the second light receiving element when the light output side reflector is in a predetermined position; and a rotational position detector that detects rotational position of the light output side reflector based on a detection result of the second light receiving element. | 03-04-2010 |
| 20100052595 | Position detecting apparatus having electric motor and method for detecting position - A reference position detecting apparatus includes an electric motor and a motor control unit. The electric motor includes a plurality of first coils and a plurality of second coils. The electric motor further includes a rotor that rotates when at least one of the plurality of first coils and the plurality of second coils is supplied with electricity. The motor control unit controls electricity supplied to either one of the plurality of first coils and the plurality of second coils to rotate the rotor to a limit position in a movable range of an object. | 03-04-2010 |
| 20100051458 | CARBON QUANTITY DETECTING SENSOR WITH INCREASED DETECTING PRECISION - A carbon quantity detecting sensor for continuously detecting a carbon quantity of measuring gases with increased precision using a simplifier structure is disclosed. The sensor includes at least a proton conductive body composed of a solid electrolyte body having a proton conductivity, an electrode pair composed of a measuring electrode and a reference electrode formed on the proton conductive body at opposing surfaces thereof respectively, and a power source for applying at least one of a given current or a given voltage across the electrode pair. The measuring gases electrode is exposed to the measuring gases and the reference electrode is isolated from the measuring gases. This enables the carbon quantity of measuring gases to be detected with increased precision for a long period of time without causing a carbon component to accumulate on a surface of the measuring electrode due to an electrochemical reaction. | 03-04-2010 |
| 20100047086 | Fuel pump - A housing has a compression chamber and a first passage, through which the compression chamber communicates with an accumulation chamber. A discharge valve is provided in the first passage and configured to open to supply fuel from the compression chamber to the accumulation chamber in response to increase in pressure in the compression chamber. A second passage is configured to communicate the accumulation chamber with the compression chamber via the discharge valve. A valve element allows fuel flow from the accumulation chamber to the compression chamber. A biasing unit biases the valve element to seat the valve element on a valve seat of the second passage. The sidewall of the valve element and the inner wall defining the second passage therebetween define a throttle midway through the second passage for restricting fuel flow from the accumulation chamber to the compression chamber. | 02-25-2010 |
| 20100045547 | On-vehicle film antenna - An on-vehicle film antenna is constructed with a loop antenna and a monopole antenna and attached to a vehicle windshield. The loop antenna has a first element set in length to correspond to a first radio wave of a first frequency band. One end of the first element is connected to a power supply near a border section between a vehicle chassis and the vehicle windshield, and the other end of the first element is connected to the vehicle chassis. The monopole antenna has a second element set in length to correspond to a second radio wave of a second frequency band. One end of the second element is connected to the power supply near the border section in common with the one end of the first element, and the other end of the second element is disconnected from the vehicle chassis. | 02-25-2010 |
| 20100045536 | Antenna apparatus - An antenna apparatus is disclosed. The antenna apparatus includes a board and a line antenna. The board includes: a base part having dielectric layers and a conductive layer disposed between the dielectric layers; multiple metal plates arranged on one surface of the base part while being spaced apart at even intervals so as to provide a band-gap surface; and a connection part via which the conductive layer is electrically connectable with the multiple metal plates. The line antenna is located on a band-gap surface side of the board, is arranged along the band gap surface, and is configured to receive and transmit the electromagnetic wave within an operating frequency band. The connection part includes a first adjustment circuit that is configured to individually adjust an impedance between the conductive layer and each of the plurality of metal plates. | 02-25-2010 |
| 20100038981 | ROTATING ELECTRIC MACHINE AND COOLING SYSTEM FOR THE ROTATING ELECTRIC MACHINE - Heat discharging property of the stator coil end is improved effectively in a rotating electric machine. A motor as the rotating electric machine includes a stator and a rotor. The stator includes a stator core and resin mold coil ends provided on both axial ends thereof. Column-shaped projections projecting in the axial direction are provided on axial side surfaces of resin mold coil ends at a plurality of positions. Cooling oil supplied from above the resin mold coil ends effectively cools the resin mold coil ends. | 02-18-2010 |
| 20100036592 | Engine starting controller - When a driver of a vehicle brings his/her detection part close to a case, a sensor detects a pulse of the driver at the detection part with an optical method, and takes an image of the detection part. An individual certification means determines whether the driver of the vehicle is an authorized person or not based on the image of the detection part taken by the sensor. An alcohol concentration determiner calculates an index value of a blood alcohol concentration of the driver based on the pulse detected at the detection part by the sensor, and determines whether the index value exceeds a criterial value of a drinking assessment. When it is determined that the driver of the vehicle is an authorized person and the index value does not exceed the criterial value of the drinking assessment, a permission means permits the driver to start an engine of the vehicle. | 02-11-2010 |
| 20100036587 | DEVICE FOR CONTROLLING INTERNAL COMBUSTION ENGINES - A device for controlling an internal combustion engine which uses, as the fuel, a heavy fuel, a light fuel, an alcohol fuel and a mixture thereof, comprising a heavy fuel/light fuel ratio detector | 02-11-2010 |
| 20100027305 | ELECTRIC POWER CONTROL DEVICE AND VEHICLE WITH THE SAME - Power lines are connected to neutral points of motor generators, respectively, and an electric power is transmitted and received between a vehicle and a load outside the vehicle via the power lines. In this transmission, an ECU simultaneously PWM-controls all phases of one of inverters, and controls the other inverter to keep continuously the conducting state. | 02-04-2010 |
| 20100026115 | STATOR WINDINGS AND AN ELECTRIC ROTARY MACHINE - Stator windings for an electric rotary machine comprise a lead wire wound in predetermined form that has a lead part formed by laminating plate-like conductors, a beginning and an end of a winding of the lead part are connected to the conductors, and at least one place between a beginning and an end of a winding of the lead part is twisted. | 02-04-2010 |
| 20100024557 | Ultrasonic device for detecting direction to object - A ultrasonic device detecting a direction to an object includes: a transmitting element of a ultrasonic wave; first and second receiving elements; a diffraction wave phase detector; an initial phase memory for an initial phase of a diffraction wave; a sound speed detector; a phase correction amount calculator calculating a phase shift caused by a sound speed change and calculating a phase correction amount based on the phase of the diffraction wave, the initial phase and the phase shift; a phase correction element correcting a phase of the reflection wave based on the phase correction amount; and a direction detector for detecting the direction to the object based on a difference between corrected phases of the reflection wave received by the first and second receiving elements, a distance between the first and second receiving elements, and a wavelength of the transmission ultrasonic wave corresponding to a sound speed. | 02-04-2010 |
| 20100020325 | Fuel property detection apparatus - It is an object of the present invention to provide a fuel property detection apparatus that excels in durability and reliability and is capable of accurately detecting the biofuel concentration in a mixture of hydrocarbon fuel and biofuel with a compact and simple configuration. A fuel property sensor | 01-28-2010 |
| 20100008113 | SEMICONDUCTOR POWER CONVERSION DEVICE - A surge voltage target setting unit ( | 01-14-2010 |
| 20100006676 | FUEL INJECTION APPARATUS - A needle is received in a nozzle body and is adapted to reciprocate relative to an injection hole to open and close the injection hole. A pressure chamber receives the fuel and exerts a pressure against the needle in an opening direction away from the injection hole upon increasing of the pressure of the fuel in the pressure chamber. A damper arrangement is actuated upon increasing of the pressure in the pressure chamber to alleviate a change in the pressure in the pressure chamber. A pressurizing piston reciprocates to increase and decrease the pressure of the fuel in the pressure chamber. | 01-14-2010 |
| 20100003940 | RADIO SIGNAL RECEIVER DEVICE - A radio signal detector includes first and second detector circuits. The first detector circuit has a higher detection sensitivity to detect a radio signal earlier than the second detector circuit. The second detector circuit has a lower detection sensitivity to detect the radio signal accurately. When the second detector circuit detects the radio signal, it starts up a microcomputer. When the first detector circuit detects the radio signal, a time counter starts to count time. After being started up, the microcomputer acquires a time difference between the radio signal detection by the first detector circuit and the start-up. The microcomputer determines time of radio signal transmission by a radio signal transmitter device based on the determined time difference, and outputs control information after an elapse of a predetermined time. | 01-07-2010 |
| 20100001618 | PIEZOELECTRIC ACTUATOR DRIVE DEVICE - In a piezoelectric actuator control device for controlling operation of one or more piezoelectric actuators, when receiving a drive signal of a low level, a discharging switch is repeatedly turned on and off in order to discharge electric charge accumulated in the piezoelectric actuator. That is, the discharging switch is kept ON until a discharging current from a piezoelectric actuator reaches a peak threshold value Ip. When the discharging current reaches the peak threshold value Ip, the discharging switch is turned OFF and kept OFF until a discharging current from a piezoelectric actuator reaches a peak threshold value Ip. The device has a threshold value setting circuit for increasing the peak threshold value according to a discharging period of time. | 01-07-2010 |
| 20090323772 | WIRELESS COMMUNICATION SYSTEM - In a wireless communication system, a portable device and an in-vehicle device wirelessly communicate with each other by a spread spectrum method. The in-vehicle device transmits a synchronization signal indicative of a reference period to the portable device. The in-vehicle device performs code acquisition for only a portion of a spread wireless signal received from the portable device. The portion has a starting point in a search period from a search start point to a search end point. The search start point is identified based on the reference period and a predetermined first correction time. The search end point is identified based on the reference period and a predetermined second correction time. | 12-31-2009 |
| 20090322320 | ROTATION ANGLE DETECTING DEVICE - A rotation angle detecting device includes a housing, a rotating shaft rotatably held by the housing, a driving gear fixed to the rotating shaft, a driven gear engaged with the driving gear, a magnetic field generating part fixed in the driven gear, having a permanent magnet, and configured to generate a magnetic field, a magnetic sensor element configured to detect a change in the magnetic field due to a rotational movement of the magnetic field generating part, and a signal processor configured to process a signal from the magnetic sensor element for detecting a rotation angle of the rotating shaft. Each of teeth of the driving gear has a first circumferential width, each of teeth of the driven gear has a second circumferential width, and the second circumferential width is greater than the first circumferential width. | 12-31-2009 |
| 20090319120 | VEHICLE STEERING ANGLE SENSOR - A steering angle sensor includes a magnetized body coupled through a gear to a steering shaft so as to rotate with rotation of the steering shaft, a magnetic sensing device for detecting a magnetic field generated by the magnetized body, a signal processing device for detecting a direction of the magnetic field based on the detected magnetic field and for detecting a steering angle of the steering shaft based on the direction of the magnetic field, a correlation signal output sensor mounted on the vehicle to output a correlation signal correlated with the steering angle, and a signal check circuit for determining whether the steering angle is valid or invalid based on comparison between the steering angle and the correlation signal. | 12-24-2009 |
| 20090318281 | COMPOSITE CERAMIC BODY - A composite ceramic body with increased strength is disclosed. | 12-24-2009 |
| 20090303153 | ANTENNA APPARATUS - An antenna apparatus includes an antenna and support member. The antenna has a double spiral structure to include (i) an outer element, which has a spiral section prolonged spirally in an axial direction, and (ii) an inner element, which has a spiral section prolonged spirally in the axial direction and is surrounded with an interval space by the outer element. The support member is made of dielectrics and holds the two elements in a predetermined positional relationship by contacting the spiral sections of the two elements. The support member contacts the spiral sections wholly along the prolonged direction. One of the two elements is connected with a high frequency wave source at one end portion along the axial direction while the other is connected with the high frequency wave source at the other end portion along the axial direction. The antenna functions as a terminal short circuit type. | 12-10-2009 |
| 20090303152 | ANTENNA APPARATUS - An antenna apparatus includes an antenna and a support member. The antenna has (i) an outer element, which has a spiral section prolonged spirally in an axial direction, and (ii) an inner element, which has a spiral section prolonged spirally in the axial direction and is surrounded with an interval space by the outer element. The antenna is a terminal open type in which one of the two elements is used as a signal line and the other is used as a GND line. The support member includes a dielectric member and contacts each of the spiral sections of the outer and inner elements while supporting the outer and inner elements in a predetermined positional relationship. Further, the number of turns of the spiral section in the inner element is equal to or less than the number of turns of the spiral section in the outer element. | 12-10-2009 |
| 20090301068 | EXHAUST-GAS PURIFICATION APPARATUS AND METHOD FOR PURIFYING EXHAUST GAS - A NOx catalyst is provided in an exhaust passage of an internal combustion engine for selectively purifying NOx in exhaust gas with a reducing agent. A charging unit charges the reducing agent at an upstream of the NOx catalyst. A pressurizing unit supplies the reducing agent to the charging unit. An obtaining unit detects or estimates catalyst temperature of the NOx catalyst or temperature information, which is correlated with the catalyst temperature. A particle size control unit changes reducing-agent pressure of reducing agent, which is pressurized by the pressurizing unit and supplied to the charging unit, to control an atomized particle size of the reducing agent, which is atomized from the charging unit and charged into exhaust gas, based on the catalyst temperature or the temperature information. | 12-10-2009 |
| 20090299684 | Method for calibrating cameras installed on vehicle - A method for calibrating vehicle cameras is simplified by providing painted patterns on a road surface and by capturing those patterns by the cameras to be calibrated. According to a predefined positional relationship of the cameras with the painted patterns, captured images of the painted patterns are bird's-eye converted and matched with reference to calculate camera positions in a vehicle, thereby enabling an automatic calibration of camera directions and the like. | 12-03-2009 |
| 20090296830 | SIGNAL RECEIVER FOR RECEIVING DIFFERENTIAL SIGNAL VIA TRANSMISSION LINE - A signal receiver includes: a receiving circuit that receives a differential signal via a transmission line, which includes a pair of signal wires for transmitting the differential signal; and an impedance control circuit that controls an input impedance so as to reduce a common mode noise. The impedance control circuit includes a detection element for detecting at least one of a voltage, a current and an electric power of the common mode noise. The impedance control circuit controls the input impedance in accordance with change of the at least one of the voltages the current and the electric power of the common mode noise. | 12-03-2009 |
| 20090295676 | Communication apparatus - A communication apparatus communicating other apparatuses includes: a switch for switching between a vertical polarized antenna and a horizontal polarized antenna; a communication device for transmitting and receiving the electric wave via one of the antennas, which is selected by the switch; a monitor for monitoring a relative distance between the apparatus and other apparatuses; and a controller for controlling the switch such that the switch selects the vertical polarized antenna when the relative distance is equal to or larger than a distance threshold, and the switch selects the horizontal polarized antenna when the relative distance is smaller than the distance threshold. The distance threshold is larger than a distance between the apparatus and a dip point. | 12-03-2009 |
| 20090295655 | Planar antenna, communication apparatus and mounting method of planar antenna - A planar antenna is disclosed. The planar antenna includes: a radiator element having a wideband resonant characteristic; and a parasitic element having a planar shape. The parasitic element has a first side, a second side, a third side and a fourth side. Each of the first side and the second side is parallel to a direction of an electric current to be excited in the radiator element. The first side is located closer to the radiator element than the second side is. The first side is shorter than the second side. The third side connects one ends of the first side and the second side. The fourth side connects the other ends of the first side and the second side. A region between the third and fourth sides tapers in a direction from the second side toward the first side. | 12-03-2009 |
| 20090295399 | On-vehicle battery condition estimation device - A battery condition estimation device estimates a pre-restart voltage drop amount ΔVjh+ΔVbn of a battery mounted to a vehicle during period T | 12-03-2009 |
| 20090295255 | MULTILAYERED PIEZOELECTRIC ELEMENT AND METHOD OF PRODUCING THE SAME - A multilayered piezoelectric element and a method of producing the multilayered piezoelectric element are disclosed. The multilayered piezoelectric element is made of piezoelectric ceramic layers and electrode formation layers which are alternately laminated. The piezoelectric ceramic layers are made of crystal oriented ceramic as polycrystalline material. The crystal oriented ceramic is made mainly of an isotropic perovskite type compound in which the specific {100} crystal plane of each of crystal grains that form the polycrystalline material is oriented. The electrode formation layers have electrode parts forming inner electrodes containing a conductive metal. The isotropic perovskite type compound is expressed by a general formula (1): [Ag | 12-03-2009 |
| 20090295249 | HYBRID-TYPE SYNCHRONOUS MACHINE - A rotor core has permanent magnets. Magnetic flux of the permanent magnet of an even-numbered rotor magnetic pole part is guided in an axial direction by an axial magnetic path member. Magnetic flux of the permanent magnet of an odd-numbered rotor magnetic pole part is guided into a soft magnetic inner cylindrical part. The axial end faces of the inner cylindrical part and the axial magnetic path member protrude from the rotor core in the axial direction and face a stationary magnetic path member with a small gap therebetween. The amount of magnetic flux of the magnet, which the permanent magnet applies to a stator core is adjusted by an excitation current of an excitation coil wound on the stationary magnetic path member. | 12-03-2009 |
| 20090293459 | EXHAUST GAS PURIFICATION DEVICE OF INTERNAL COMBUSTION ENGINE - An SCR catalyst is provided in an exhaust pipe of an engine and a urea solution addition valve is provided upstream of the SCR catalyst in the exhaust pipe. An ECU calculates ammonia adsorption quantity of the SCR catalyst and controls urea solution addition quantity, which is added by the urea solution addition valve, based on the ammonia adsorption quantity. The ECU obtains temperature of the SCR catalyst or temperature information correlated with the temperature through measurement or estimation. The ECU switches an execution mode of the urea solution addition control based on the catalyst temperature or the temperature information. Thus, reducing agent addition control can be performed suitably and eventually NOx purification in a NOx catalyst (i.e., SCR catalyst) can be performed suitably. | 12-03-2009 |
| 20090290388 | DC-DC converter - In a DC to DC converter, first and second primary windings are magnetically coupled to a first secondary winding. Third and fourth primary windings are magnetically coupled to a second secondary winding. The first and second primary windings are magnetically coupled to the first secondary winding. The third and fourth primary windings are magnetically coupled to the second secondary winding. The first and third primary windings are coupled in series to form a first coil member. The second and fourth primary windings are coupled in series to form a second coil member. One end of the first coil member is coupled to the first positive power line. A first switching element is coupled between the first negative power line and the other end of the first coil member. A first capacitor is coupled between the first negative terminal and one end of the second coil member. | 11-26-2009 |
| 20090289587 | APPARATUS FOR ESTIMATING ROTOR POSITION OF BRUSHLESS MOTORS AND SYSTEM AND METHOD FOR CONTROLLING START-UP OF BRUSHLESS MOTORS - An apparatus for estimating rotor position for brushless motors capable of accurately estimating rotor position even though power source voltage fluctuates is provided. First, the power source voltage is detected, and voltage is supplied only for a certain period of time and a current response is detected. The current detection value is multiplied by the ratio of a reference voltage to the power source voltage detected to correct the current detection value. Specifically, the peak current detection value is corrected upwardly or downwardly in each direction. A voltage supplying direction in which the current detection value is maximized is searched for to estimate the rotor position and a brushless motor is started. | 11-26-2009 |
| 20090289586 | APPARATUS FOR ESTIMATING ROTOR POSITION OF BRUSHLESS MOTORS AND SYSTEM AND METHOD FOR CONTROLLING START-UP OF BRUSHLESS MOTORS - An apparatus for estimating rotor position for brushless motors capable of accurately estimating rotor position is provided. The apparatus may be used as a start-up system for brushless motors. The apparatus performs accurate estimation even though power source voltage fluctuates, and is able to provide compact configuration. The apparatus supplies voltage to the coils respectively. In each supplying period, the apparatus counts voltage supply period of time until current value reaches to a current threshold value. Since a coil indicative of rotor stop position is prone to be magnetically saturated. The apparatus estimates the rotor stop position based on the voltage supply periods. Then, the apparatus starts a switching sequence based on the rotor stop position. | 11-26-2009 |
| 20090288397 | EXHAUST GAS PURIFICATION DEVICE OF INTERNAL COMBUSTION ENGINE - An SCR catalyst is provided in an exhaust pipe of an engine and a urea solution addition valve is provided upstream of the SCR catalyst in the exhaust pipe. An ECU controls urea solution addition quantity of the urea solution addition valve based on ammonia adsorption quantity to the SCR catalyst. The ECU calculates the ammonia adsorption quantity in the SCR catalyst based on time-series data of an ammonia balance between ammonia supply to the SCR catalyst accompanying the urea solution addition of the urea solution addition valve and ammonia consumption in the SCR catalyst. The ECU calculates NOx quantity introduced into the SCR catalyst or a parameter correlated with the NOx quantity and performs initialization of the ammonia adsorption quantity at timing decided based on a result of the calculation. | 11-26-2009 |
| 20090288396 | EXHAUST EMISSION CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - An exhaust emission control device is used for an engine and is applied to an exhaust gas purifying system. The system has an NOx catalyst disposed in an exhaust passage of the engine to promote selective purification of NOx in exhaust gas performed by ammonia, which is a reducing agent for reducing NOx, and a reducing agent adding device for adding the reducing agent to an upstream side of the catalyst in a flow direction of exhaust gas. The device includes a catalyst temperature detecting device for detecting temperature of the catalyst, a reaction ratio calculating device for calculating a reaction ratio, which is a ratio of a reaction amount of ammonia to a reaction amount of NOx in the catalyst, based on the temperature of the catalyst, and an ammonia consumed amount calculating device for calculating a consumed amount of ammonia in the catalyst based on the reaction ratio | 11-26-2009 |
| 20090283076 | INTAKE APPARATUS FOR INTERNAL COMBUSTION ENGINE - An exhaust gas guide member is provided to an airflow control valve varying an opening area of an intake passage. The exhaust gas guide member forms an exhaust gas passage which introduces the exhaust gas flowing from the exhaust gas introducing portion into the intake pipe toward an opposite end of the airflow control valve relative to the valve shaft. Thereby, the exhaust gas flows together with an intake air flow of high velocity generated by the airflow control valve so that a tumble flow can be generated in a combustion chamber of the internal combustion engine. | 11-19-2009 |
| 20090279617 | Signal transmission circuit - A signal transmission circuit is capable of reducing distortion that occurs during signal transmission. A digital output signal is transmitted from a terminal to a signal line via an output buffer circuit and an output impedance unit. The terminal is connected to an impedance variation unit via an impedance control unit. The impedance variation unit designates an impedance for terminating the signal line when the output data is changed from a high level H to a low level. A reflection occurring on the signal line can be prevented and a waveform distortion can be suppressed. | 11-12-2009 |
| 20090274935 | Fuel Cell System Designed to Ensure Stability of Operation - A fuel cell control system is provided which is designed to ensure the stability of operation of a fuel cell stack. The system includes a magnetic sensor and a controller. The magnetic sensor works to measure a change in magnetic flux density of magnetic field produced by an electric current as generated by electrochemical reaction taken place in each of fuel cells. The controller is designed to analyze the change in magnetic flux density measured by the magnetic sensor to specify the cause and location resulting in a drop in ability of the fuel cell stack to generate electricity which is to occur partially in the fuel cell stack. The controller takes a predetermined measure to control the operation of the fuel cell stack for eliminating the drop in ability of the fuel cell stack to generate the electricity. | 11-05-2009 |
| 20090270701 | DEVICE FOR MEASURING CONCENTRATION OF CONSTITUENT IN BLOOD ANDMEASURING METHOD - A device for measuring concentration of a constituent in blood includes: an irradiation unit for irradiating light toward a living body, the light having a wavelength disposed in a light absorption band of the constituent in the blood; a light receiving unit for receiving light, which is reflected in the living body or transmitted through the living body; and a concentration measurement unit for measuring the concentration of the constituent in the blood based on variation of light intensity of light received by the light receiving unit, the variation attributed to a pulse wave of the living body. | 10-29-2009 |
| 20090261684 | STATOR OF ELECTRIC ROTATING MACHINE - The stator of an electric rotating machine includes a stator core having slots formed at an inner periphery thereof, and a stator winding constituted by conductive wires wound on the slots. The stator winding including in-slot portions accommodated in the slots and turn portions each connecting each adjacent two of the in-slot portions at outside of the slots. The stator core including a core member having at least three tooth portions extending in a radial direction of the stator core and a core back portion integrally connecting the tooth portions at a radially end side thereof. The core member is configured such that each of the first tooth portions folded toward the core back portion is capable of unfolding to extend between a corresponding adjacent two of the in-slot portions when the core member is at a predetermined axial position with respect to the stator winding. | 10-22-2009 |
| 20090260422 | Ultrasonic sensor - An ultrasonic sensor includes a transmitting device, a receiving device, and a circuit device. The circuit device determines that the receiving device receives an ultrasonic wave reflected from an object, when an output voltage of the receiving device is equal to or greater than a first threshold. The circuit device includes a humidity detection section configured to detect an ambient humidity of the transmitting and receiving devices and a threshold adjustment section configured to calculate, based on the detected ambient humidity, a sound pressure of the ultrasonic wave that is received by the receiving device after propagating over a round-trip distance between the ultrasonic sensor and the object. The threshold adjustment section reduces the first threshold, when the output voltage corresponding to the calculated sound pressure is less than a second threshold that is greater the first threshold. | 10-22-2009 |
| 20090250533 | WASHER NOZZLE-EQUIPPED CAMERA APPARATUS AND WASHER NOZZLE - A washer nozzle-equipped camera apparatus includes a camera and a washer nozzle. The washer nozzle has a window spray outlet for spraying a washer fluid, supplied from a supply unit such as a pump, on a window of a vehicle. The washer nozzle further has a window duct for carrying the washer fluid to the window spray outlet. The washer nozzle further has a camera spray outlet for spraying the washer fluid on a lens of the camera. The washer nozzle further has a camera duct for carrying the washer fluid to the camera spray outlet. | 10-08-2009 |
| 20090250278 | Power output apparatus and vehicle - The hybrid vehicle includes the engine capable of outputting power to the drive gear; the motors MG | 10-08-2009 |
| 20090244802 | IGNITION DEVICE - The ignition device is comprised of a center electrode, an insulator having a tubular shape for covering the center electrode, and a ground electrode having an open portion communicating with an open portion of the insulator, the ground electrode covers the insulator The center electrode, the insulator and the ground electrode define a discharge space of the ignition device. The discharge space is provided with high voltage from a discharge power source and high current from a plasma energy supply power source to form plasma having high temperature and high pressure in the discharge space. | 10-01-2009 |
| 20090242669 | REGULATING CHECK VALVE AND FUEL INJECTON VALVE HAVING THE SAME - A valve chamber is defined in a valve body of the regulating check valve. A first communicating hole and a second communicating hole communicate the valve chamber with a first flow passage and with a the second flow passage, respectively. A valve element is slidably installed in the valve chamber to seat on or lift away from a valve seat to close or open the first communicating hole. A pressure in the first flow passage urges the valve element away from the valve seat, and a pressure in the second flow passage urges the valve element toward the valve seat. The spring is interposed between the valve element and the valve body to urge the valve element away from the valve seat. | 10-01-2009 |
| 20090242423 | OXIDIZING DEVICE WITH INCREASED OXIDIZING PERFORMANCE AND METHOD OF MANUFACTURING THE SAME - An oxidizing device and an oxidizing method for oxidizing a carbon-containing component in a gaseous mixture containing H | 10-01-2009 |
| 20090242099 | METHOD OF PRODUCING A PIEZOSTACK DEVICE - A method of producing a piezostack device including multiple piezoelectric ceramic layers of a crystal-orientated ceramic and multiple electrode-containing layers laminated alternately. A raw material mixture is prepared in the mixing step, as an anisotropically shaped powder of oriented particles and a reactive raw powder are mixed. The anisotropically shaped powder and the reactive raw powder are then mixed in amounts at a stoichiometric ratio giving an isotropic perovskite compound, and a Nb | 10-01-2009 |
| 20090241905 | MOUNT STRUCTURE OF FUEL INJECTION VALVE AND FUEL INJECTION SYSTEM - A combustion chamber side end portion of a fuel injection valve is placed at a location that overlaps with an imaginary plane, which is perpendicular to a center axis of a cylinder and extends along a portion of a wall surface of an intake port where an intake valve protrudes, or is projected out from the imaginary plane toward a combustion chamber. Alternatively, a center of a fuel injecting side end port of the fuel injection valve, which injects fuel into intake air that flows in a branch port branched from the intake port, may be placed on the center axis side of the intake valve in a radial direction of the cylinder. Further alternatively, an upstream side fuel injection valve may inject fuel into intake air that flows in the intake port, and a downstream side fuel injection valve may inject fuel into intake air that flows in the branch port branched from the intake port. Alternatively, an injection quantity of fuel may be controlled for each of fuel injection valves, which injects fuel into intake air that flows in the corresponding branch port branched from the intake port. | 10-01-2009 |
| 20090239741 | FORMED ARTICLE OF CORDIERITE AND METHOD FOR MANUFACTURING THE FORMED ARTICLE - A formed article is made of cordierite. The cordierite has a plurality of domains and a plurality of crystal grains placed in each domain to form a domain structure. The crystal grains in each domain are substantially aligned in the same direction, and an average size of the domains ranges from 40 μm to 150 μm. The article of cordierite is formed in a honeycomb structure having a plurality of cell walls arranged in a honeycomb form, and a plurality of cells divided by the cell walls are formed. The article of cordierite has a porosity ranging from 36% to 38%, a coefficient of linear thermal expansion equal to or lower than 0.2×10 | 09-24-2009 |
| 20090236223 | GAS SENSOR CONTROL SYSTEM ENSURING INCREASED MEASUREMENT ACCURACY - A gas sensor control system for a gas sensor having a first, a second, and a third cell. The second cell produces a second cell electric current indicating the concentration of oxygen in gas in which the amount of oxygen has already been controlled by the first cell. The third cell produces a third cell electric current indicating the concentration of a preselected component of the gas in which the amount of oxygen has already been controlled by the first cell. A second cell circuit converts the second cell electric current into a voltage as a second cell current-measured value. A current adjuster produces a flow of an adjustment current as a function of the second cell current-measured value so that a third cell circuit converts the third cell electric current minus the adjustment current into a voltage as representing the concentration of the preselected component of the gas. | 09-24-2009 |
| 20090233565 | Receiving decive - A receiving device is provided capable of avoiding reception of unnecessary energy when a signal waveform actually changes on a receiving side. An impedance control circuit includes a sensing unit to sense one or more of a voltage, current, or power of a signal to be received by a receiving circuit. The impedance control unit varies an input impedance according to the change in the sensed one or more quantities so that the received signal will be reflected. Thus the excess energy of the signal is reflected and fed to any other receiving circuit achieving stable communications. | 09-17-2009 |
| 20090231219 | Antenna device for vehicle - In an antenna device, first and second vertically-polarized antennas are disposed at respective horizontal end portions of a substrate. A first ground pattern functioning as a ground plane of the first antenna and a second ground pattern function as a ground plane of the second antenna are disposed on the substrate. An intermediate pattern is located between the first ground pattern and the second ground pattern and functions as a horizontally-polarized non-feed element for the first antenna and the second antenna. The phase control part controls a phase difference between a signal of the first antenna and a signal of the second antenna by changing at least one of a phase of the signal of the first antenna and a phase of the signal of the second antenna. The combining portion combines the signals after the phase control part controls the phase deference. | 09-17-2009 |
| 20090229978 | GAS SENSING ELEMENT WITH INCREASED RESPONSE - A gas sensing element is disclosed as having a measuring gas chamber to which measuring gases are admitted, a diffusion resistance portion for introducing measuring gases to the measuring gas chamber under diffusion resistance, a sensor cell for detecting a specified gas concentration of measuring gases, and an oxygen pump cell for adjusting an oxygen concentration in the measuring gases. The sensor cell includes a measuring electrode, placed facing the measuring gas chamber, and a reference electrode formed in pair with the measuring electrode. The oxygen pump cell includes an inner pump electrode placed facing the measuring gas chamber, and an outer pump electrode formed in pair with the inner pump electrode. The diffusion resistance portion is placed in an area inside of external end walls of the inner pump electrode to be exposed to the measuring gas chamber. | 09-17-2009 |
| 20090229897 | ENGINE CONTROL SYSTEM - An engine control system includes an engine that outputs a rotation of a crankshaft through a torsional damper; a calculation portion that calculates a value of engine torque based on an angular acceleration of the crankshaft and a moment of inertia of the crankshaft; and a correction portion that calculates a correction value based on a torsional angle of the torsional damper, and corrects the calculated value of the engine torque using the correction value. | 09-17-2009 |
| 20090217738 | KNOCK DETECTION DEVICE FOR INTERNAL COMBUSTION ENGINE - A knock sensor signal is converted by an A/D conversion part in a specified knock determination range. In a time-frequency analysis part, data of frequency, time, and vibration intensity are extracted at the same time from an output signal of the knock sensor and the time-varying patterns of vibration intensity of multiple frequency ranges are extracted. Contours of the time-varying patterns of vibration intensity in multiple frequency ranges are extracted. Vectors indicating directions along which the vibration intensities vary are approximated by the contour of the time-varying pattern of vibration intensity in each frequency range according to the least-squares method. A knock determination is executed based on whether directions of any two or more of multiple vectors are within a predetermined range. Alternatively, a knock determination is executed based on whether a ratio of length of any two or more of the vectors is within a predetermined range. | 09-03-2009 |
| 20090211337 | KNOCK DETECTION DEVICE AND KNOCK DETECTION SYSTEM DIAGNOSIS DEVICE - An output of a knock sensor is A/D converted in a specified knock determination range. In a time-frequency analysis part, data of frequency, time, and vibration intensity are extracted at the same time from the knock sensor output signal and the time-varying patterns of vibration intensities in multiple frequency ranges are extracted. An edge direction and an edge intensity are computed by an edge extraction processing. A correlation value expressing a correlation between time-varying patterns of vibration intensities in multiple frequency ranges and a reference model expressing the feature of knock is computed in a mutual correlation/knock determination part. The correlation value is compared with a determination threshold. When the correlation value is larger than the determination threshold, it is determined that knock is caused. When the correlation value is not larger than the determination threshold, it is determined that knock is not caused. | 08-27-2009 |
| 20090207892 | Receiving device for spread spectrum communication - A receiving device for spread spectrum communication includes a phase determining unit and a data demodulating unit. The receiving device receives a signal spread and modulated with first spreading code. The phase determining unit calculates a cross correlation between the received signal and a second spreading code and determines a phase P(0) of the received signal based on the cross correlation. The data demodulating unit synchronizes the phase P (0) and the first spreading code and despreads and demodulates the received signal with the first spreading code. The number of components in each of the first spreading code and the second spreading code is an integer greater than or equal to 2. | 08-20-2009 |
| 20090203517 | CARBON-BASED MATERIAL COMBUSTION CATALYST, MANUFACTURING METHOD OF THE SAME, CATALYST CARRIER, AND MANUFACTURING METHOD OF THE SAME - A carbon-based combustion catalyst is obtained by performing a burning step of burning sodalite at a temperature of 600° C. or more. Alternatively, a carbon-based combustion catalyst is obtained by performing the following mixing step, drying step, and burning step. In the mixing step, aluminosilicate (sodalite), and an alkali metal source, and/or an alkaline earth metal source are mixed in water to obtain a liquid mixture. In the drying step, the liquid mixture is heated to evaporate the water thereby obtaining a solid. In the burning step, the solid is burned at a temperature of 600° C. or more. The thus-obtained catalyst can cause carbon-based material to be stably burned and removed at a low temperature for a long time. | 08-13-2009 |
| 20090200095 | Power output apparatus and vehicle - A hybrid vehicle includes: an engine that can output power to a drive gear; a CVT that can steplessly change the speed of power inputted to a primary shaft and output the power to a secondary shaft; a planetary gear mechanism including a sun gear connected to the secondary shaft, a ring gear that can rotate in a direction opposite to a rotational direction of the drive gear in conjunction with the drive gear, and a carrier connected to a carrier shaft; a clutch that connects and disconnects the drive gear to and from the primary shaft; a motor that can input and output power to the primary shaft; and a battery that can supply and receive electric power to and from the motor. | 08-13-2009 |
| 20090199808 | INTAKE MANIFOLD - An intake manifold includes a surge tank, a connection pipe and a membrane-type resonator. The surge tank distributes an intake air supplied through a throttle device into a combustion chamber of an engine. The connection pipe is disposed at an upstream side of the surge tank so as to be connected to the throttle device. The membrane-type resonator has a membrane for defining a chamber separated from the surge tank, and the membrane vibrates to be resonant with the intake air. The connection pipe and the chamber of the membrane-type resonator communicate with each other. | 08-13-2009 |
| 20090191764 | Card edge connector and method of manufacturing the same - A card edge connector includes a housing, a first conductive part, a second conductive part, a connecting element, a first harness, and a second harness. The housing has an insertion hole for receiving an electronic substrate therein. The first conductive part and the second conductive part are disposed in the insertion hole and are configured to come in contact with respective terminals disposed on a surface of the electronic substrate. The connecting element is coupled with the second conductive part and extends in a direction approximately vertical to a planer direction of the electronic substrate so as to be away from the surface of the electronic substrate. The first harness is coupled with the first conductive part and the second harness penetrates a penetrated part of the connecting element. | 07-30-2009 |
| 20090191760 | Card edge connector and method of manufacturing the same - A card edge connector includes a housing, a first conductive part, a second conductive part, a supporting conductive part, a connecting element, a first harness, and a second harness. The housing has an insertion hole for receiving an electronic substrate therein. The first conductive part and the second conductive part are disposed in the insertion hole and are configured to come in contact with respective terminals disposed on a surface of the electronic substrate. The supporting conductive part is disposed in the housing in such a manner that supporting conductive part is farther away from the surface of the electronic substrate than the first conductive part is. The connecting element couples the second conductive part and the supporting conductive part, the first harness is coupled with the first conductive part, and the second harness is coupled with the supporting conductive part. | 07-30-2009 |
| 20090168603 | Ultrasonic sensor - An ultrasonic sensor includes a transmitting device, receiving devices arranged in an array, and a circuit device. One receiving device is configured as a reference receiving device. The circuit device includes a reference signal generator and first and second synchronous detectors. The reference signal generator generates a reference signal by using a received signal of the reference receiving device. The first synchronous detector performs synchronous detection of a received signal of one of the receiving devices based on the reference signal to detect a distance to an object. The second synchronous detector performs synchronous detection of received signals of the receiving devices except the reference receiving device based on the reference signal to detect a direction of the object. | 07-02-2009 |
| 20090165746 | DEVICE AND METHOD FOR CONTROLLING IGNITION TIMING OF INTERNAL COMBUSTION ENGINE - An engine ECU executes a program including: a step (S | 07-02-2009 |
| 20090159048 | Injected Fuel Pressure Boosting Device - An injected fuel pressure boosting device provided with a large diameter piston, a medium diameter piston, and a small diameter piston. A high pressure chamber filled at high pressure at all times is formed at the outer end of the medium diameter pistons, while a pressure boosting chamber is formed at the outer end of the small diameter piston. A pressure control chamber is formed on the end face of the large diameter piston on the small diameter piston side. When high pressure fuel is supplied to the pressure control chamber, the large diameter piston moves to the medium diameter piston side, that is, the pressure boosting preparation position. At this time, the leaked fuel outflow port is closed by the end face of the large diameter piston. | 06-25-2009 |
| 20090146651 | ROTATION ANGLE SENSOR - A pair of cylindrical magnets with cut away portions has been arranged on both sides of a magnetic sensing element in symmetry of rotation, and a yoke surrounds the magnetic sensing element in contact with outer peripheral surfaces of the pair of the cylindrical magnets with cut away portions. The pair of the cylindrical magnets with cut away portions rotates around an axial center with a concurrent axial displacement along with a rotation of a rotating body. The pair of the cylindrical magnets with cut away portions is arranged in inclined manner against an axis-of-rotation of the magnet. Thereby, the rotation and the displacement in the direction of the axis against the magnetic sensing element of the pair of the cylindrical magnets with cut away portions, and the number of times of rotation can be detected by detecting the size of the magnetic flux density by the magnetic sensing element. The pair of the cylindrical magnets with cut away portions improves the size and linearity of the magnetic field on the axial center. | 06-11-2009 |
| 20090146650 | ROTATION ANGLE SENSOR AND SCISSORS GEAR SUITABLE THEREFOR - A driving gear, which is a scissors gear, fixed to a rotating body, engages with a driven gear, and the driven gear engages with a fixed screw receiver. A first gear and a second gear of the driving gear elastically bias the tooth of the driven gear by a coil spring in the direction of an inner side of a diameter; consequently the driven gear | 06-11-2009 |
| 20090145217 | TRIGGER UNIT MOUNTING STRUCTURE FOR WHEEL POSITION DETECTION SYSTEM - A first trigger unit and a second trigger unit output trigger signals to transceivers disposed for the four wheels of a vehicle. The first and second trigger units are attached to wall surfaces of tire housings corresponding to the left front and left rear wheels respectively. Each of the first and second trigger units is arranged in a position of the wall surface having an angle from 5 to 25 degrees with respect to the side of the corresponding wheel. Transceivers attached to a right front and right rear wheels are thus located farther from the trigger units than the left front and left rear wheels, respectively. Such arrangement allows the transceivers attached to the right front and right rear wheels to receive the outputted trigger signals with sufficient accuracy due to high field strength. | 06-11-2009 |
| 20090143933 | Detection device for side collision of vehicle and passenger protection system having the same - A detection device for side collision of a vehicle includes: an outer plate of a vehicle side door; an inner plate of the side door arranged separately from the outer plate; a reinforcing member arranged between the outer plate and the inner plate and having a bending rigidity higher than a bending rigidity of the outer plate; a detection subject member provided by at least one of the inner plate and a member fixed to the inner plate; a sensor detecting a separate distance between the detection subject member and the reinforcing member; and a determination element determining that the vehicle collides with an object based on an output value of the sensor. | 06-04-2009 |
| 20090134843 | METHOD AND APPARATUS FOR DETECTING INTERNAL ELECTRIC STATE OF IN-VEHICLE SECONDARY BATTERY - In a proposed apparatus and method, constant-voltage charge is performed with an in-vehicle secondary battery immediately after start of a vehicle or during running of the vehicle. A quantity relevant to polarization caused in the battery immediately after start of the constant-voltage charge is calculated using data of the charge current. It is determined whether or not a change rate of the calculated polarization-relevant quantity is less than a given threshold. When the change rate is less than the given threshold, a plurality of data of the charge current sampled and held during a predetermined period of time are acquired. A value of the charge current to be accumulated until the charge current reaches a given final value is calculated using the plurality of data of the charge current. The internal electric state of the battery is estimated based on the accumulated value of the charge current. | 05-28-2009 |
| 20090133673 | FUEL VAPOR TREATMENT SYSTEM - A fuel vapor treatment system is mounted on a hybrid vehicle having an internal combustion engine and an electric motor. Even when an internal combustion engine is stopped, a discharge of fuel vapor from a first canister to atmosphere can be detected. When the discharge of the fuel vapor from the first canister is detected, the internal combustion engine is started to perform a purge process. When it is detected that the purge process in the first canister is finished, the internal combustion engine is stopped to terminate the purge process. | 05-28-2009 |
| 20090133655 | LASER IGNITION SYSTEM - A laser ignition system includes a laser oscillator and an oscillation controller. The laser oscillator is configured to generate laser light into a combustion chamber of an engine. The oscillation controller is configured to cause the laser oscillator to generate a plurality of laser pulses into the combustion chamber in order to ignite the engine. The oscillation controller causes the laser oscillator to generate each of the plurality of laser pulses at a laser oscillation period that is longer than 10 μs and shorter than 300 μs. | 05-28-2009 |
| 20090133389 | EXHAUST EMISSION CONTROL DEVICE - An exhaust emission control device includes an exhaust pipe, a catalyst in the pipe promoting reduction reaction of nitrogen oxide in exhaust air, a supply device for supplying an additive agent to an upstream side of the catalyst, a temperature detecting device for detecting exhaust air temperature, and a control device for controlling the supply device to regulate the additive agent amount supplied into the pipe. The control device stops supply of the additive agent when exhaust air temperature is lower than generation temperature needed to generate the reducing agent from the additive agent, and supplies the additive agent when exhaust air temperature is equal to or higher than generation temperature. When a predetermined time has elapsed after a start of supply of the additive agent, the control device reduces the additive agent amount supplied, compared to the additive agent amount supplied before the predetermined time has elapsed. | 05-28-2009 |
| 20090130520 | FUEL BATTERY - A fuel cell that can prevent local accumulation of a reaction-irrelevant gas in the fuel cell. A gas diffusion layer is stacked on a membrane electrode assembly, which is a stack of an electrolyte membrane and electrode catalyst layers. A separator including gas flow channels is attached to the gas diffusion layer such that the gas flow channels are adjacent to the gas diffusion layer. A gas distribution channel through which gas supplied to the membrane electrode assembly flows is formed in the separator. The gas flow channels communicate with the gas distribution channel at upstream ends thereof and are substantially closed at downstream ends thereof. The gas flow channels are configured so that downstream parts of the gas flow channels and upstream parts of the gas flow channels are adjacent to each other. | 05-21-2009 |
| 20090126350 | EXHAUST EMISSION CONTROL DEVICE - An exhaust emission control device reduces nitrogen oxide in exhaust air from an engine. The device includes an exhaust pipe, a catalyst, a supply device, a NOx detecting device, and a control device. The pipe defines a passage for the exhaust air. The catalyst is disposed in the pipe and promotes reduction reaction of the nitrogen oxide. The supply device supplies an additive agent, which is used for the reaction, to an upstream side of the catalyst in the exhaust air flow direction. The detecting device detects the nitrogen oxide included in the exhaust airs which has passed through the catalyst. The control device controls the supply device. The control device determines a deterioration state of the catalyst based on a result detected by the detecting device and reduces an amount of the additive agent, which is supplied, according to the determined deterioration state. | 05-21-2009 |
| 20090126349 | EXHAUST EMISSION CONTROL DEVICE - An exhaust emission control device reduces nitrogen oxide included in exhaust air from an internal combustion engine. The device includes an exhaust pipe, a catalyst, a supply device, a tank, and a temperature regulating device. The exhaust pipe defines a passage for exhaust air discharged from the engine. The catalyst is disposed in the exhaust pipe. The catalyst is capable of promoting reduction reaction of the nitrogen oxide in exhaust air. The supply device is for supplying a fluid-state additive agent, which is used for the reduction reaction, to an upstream side of the catalyst in a flow direction of exhaust air. The additive agent is stored in the tank. The temperature regulating device is for regulating temperature of the additive agent, which is supplied by the supply device, to be in a predetermined range. | 05-21-2009 |
| 20090120073 | EXHAUST GAS PURIFYING APPARATUS FOR INTERNAL COMBUSTION ENGINE - An exhaust pipe is provided with an oxidation catalyst, a SCR catalyst (ammonia selective reduction catalyst), and an ammonia slip catalyst. In the exhaust pipe, the urea water adding valve is provided between the oxidation catalyst and the SCR catalyst. A NOx sensor which detects the NOx quantity in an exhaust gas is provided downstream of the SCR catalyst. An ECU controls the urea water adding valve to add the urea water to the exhaust gas. While the urea water is added to the exhaust gas, the ECU successively obtains a NOx sensor output, and computes an adding quantity command value in which the NOx sensor output becomes minimum. | 05-14-2009 |
| 20090118983 | FUEL INJECTOR DESIGNED TO MINIMIZE MECHANICAL STRESS ON FUEL PRESSURE SENSOR INSTALLED THEREIN - A fuel injector for an internal combustion engine is provided. The fuel injector is to be installed in a cylinder head of the engine and has a fuel pressure sensor working to measure the pressure of fuel within a injector body. The fuel pressure sensor is installed in a portion of the injector body which is to be located away from the cylinder head of the engine across a portion of the injector body on which a mechanical pressure is exerted by an external member such as a fuel supply pipe or a fuel drain pipe, thereby keeping the fuel pressure sensor free from internal stress, as arising from the mechanical pressure exerted on the injector body, to ensure the accuracy in measuring the pressure of the fuel. | 05-07-2009 |
| 20090118982 | FUEL INJECTOR WITH ELECTRIC SHIELD - A fuel injector for an internal combustion engine is provided. The fuel injector is equipped with a fuel pressure sensor, a sensor circuit such as an amplifier, and a valve actuator such as a piezoelectric actuator. The fuel injector also includes a conductive shield which is disposed between the sensor circuit and actuator drive terminals to supply electric power to the actuator and works to shield the sensor circuit from electric noises arising from the drive terminals, thereby minimizing the addition of the noises to an output of the fuel pressure sensor, as being processed in the sensor circuit, and ensuring the accuracy in determining the pressure of fuel based on the output of the fuel pressure sensor. | 05-07-2009 |
| 20090118981 | FUEL INJECTOR WITH FUEL PRESSURE SENSOR - A fuel injector for an internal combustion engine is provided. The fuel injector is equipped with a fuel pressure sensor which is installed in a metallic injector body. The fuel injector also includes an amplifier working to amplify an output of the fuel pressure sensor and a thermal insulating member disposed between the metallic injector body and the amplifier to shield the amplifier thermally, thereby ensuring the accuracy in measuring the pressure of fuel within the fuel injector. | 05-07-2009 |
