| Hitachi Automotive Systems, Ltd. Patent applications |
| Patent application number | Title | Published |
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| 20120136574 | VEHICLE OPERATION SUPPORT SYSTEM AND VEHICLE OPERATION SUPPORT METHOD - A vehicle drive support system, and its method, includes a storage apparatus for storing charging station information to manage attribute information containing position information of charging stations, a communication apparatus for receiving a route search request containing an origin, a destination, and a residual quantity in a battery from a mobile and transmitting a response to the route search request, and a route search processing unit for searching a route passing through the charging stations while maintaining a state in which the residual quantity in the battery is greater than 0 between the origin and the destination by using position information of the charging stations contained in the charging station information in response to the route search request received by the communication apparatus, and giving the searched route as the response to the route search request. | 05-31-2012 |
| 20120136555 | Fuel Injection Control Apparatus For Internal Combustion Engine - There is provided a fuel injection control apparatus for an in-cylinder injection internal combustion engine that limits increases in the amount of discharged PMs and the amount of oil dilution when a demanded amount of injection is changed while divisional injection is being performed. The control apparatus is provided for an internal combustion engine having a fuel injection valve for injecting fuel into a combustion chamber of the internal combustion engine, a fuel pump for feeding fuel to the fuel injection valve by pressuring the fuel, and a fuel storage chamber storing fuel to be supplied to the fuel injection valve. In the engine, divisional injection control including a plurality of fuel injections executed in one cycle is performed. When a demand for making a change in the amount of fuel supplied per cycle occurs, changes in the amount of fuel injection are made according to injection times. | 05-31-2012 |
| 20120134789 | Water Pump - A water pump includes a pump shaft surrounded by a pump housing having a tubular section. A pulley having a cylindrical section and a flange wall is mounted on an end section of the pump shaft. An impeller is mounted on the other end section of the pump shaft. A mechanical seal is coaxially disposed between the tubular section and the pump shaft. A bearing is coaxially disposed between the tubular section of the pump housing and the cylindrical section of the pulley. In this water pump, the pump shaft includes a coaxial small diameter shaft section located at its first part which is located axially between the mechanical seal and the flange wall. The small diameter shaft section has a diameter smaller than a diameter of a second part of the pump shaft on which the mechanical seal is disposed so as to form an annular step portion. | 05-31-2012 |
| 20120132163 | Valve Actuation Apparatus of Internal Combustion Engine and Rockable Cam for Use with the Same - In a valve actuation apparatus of an internal combustion engine employing a motion converter for converting a rotary motion of a drive cam into an oscillating motion of a rockable cam, the rockable cam has a cam contour surface, for operating an engine valve by the oscillating motion. The cam contour surface is contoured to have a valve-opening small lift area through which the cam contour surface extends from a base-circle area, a valve-opening middle lift area extending continuously from the valve-opening small lift area toward a cam-nose portion, and a valve-opening large lift area extending continuously from the valve-opening middle lift area toward a cam-nose top. A radius of curvature ρ | 05-31-2012 |
| 20120116654 | Control System of Internal Combustion Engine - The present invention provides a control system for an internal combustion engine capable of, in a case where fuel is injected from an injector for a plurality of times in a divided manner based on an operation status of the internal combustion engine, controlling an injection quantity of the injector accurately in light of variation in an injection quantity of the injector based on air-fuel ratio accuracy, while preventing performance deterioration of the internal combustion engine caused by the injection of fuel. An internal combustion engine control system of the present invention includes an injector for making a valve operate and injecting fuel by applying an excitation current to a coil and injecting fuel into a combustion chamber directly in a manner dividing into a plurality of times of fuel injection, the internal combustion engine control system includes means for determining invalid and valid pulse widths of the injector. | 05-10-2012 |
| 20120112585 | Actuator for Variable Valve Operating Apparatus - An electric motor includes a motor casing formed with a shaft insertion hole and a motor output shaft extending in the shaft insertion hole and projecting to a speed reducing mechanism. An annular oil seal is disposed between the shaft insertion hole and the motor output shaft and the annular oil seal includes an annular seal retainer buried in the annular oil seal for reinforcement. A C-shaped stopper member extending circumferentially from a first end to a second end spaced from the first end, is held in a holding portion or a fitting groove of the shaft insertion hole, and arranged to prevent movement of the oil seal toward the speed reducing mechanism. The stopper member includes a plurality of beam segments confronting the seal retainer from an axial direction of the motor output shaft. | 05-10-2012 |
| 20120111298 | Balancer Integrated with Crankcase - A balancer integrated with a crankcase of an internal combustion engine, including balance shafts that are driven and rotated by a rotational force transmitted from a crankshaft of the internal combustion engine to the balance shafts through an endless transmission member to reduce second order vibration of the internal combustion engine, a tensioner that applies tension to the endless transmission member by pressing an outer surface of the endless transmission member using a hydraulic pressure, a tensioner mounting portion to which the tensioner is mounted, the tensioner mounting portion being integrally formed with the crankcase, and an oil supply portion projectingly disposed along an outer surface of the tensioner mounting portion and integrally formed with the tensioner mounting portion, the oil supply portion supplying the hydraulic pressure to the tensioner through the tensioner mounting portion. | 05-10-2012 |
| 20120105080 | Electrostatic Capacitance Type Physical Quantity Sensor and Angular Velocity Sensor - The present invention provides a high-accuracy electrostatic capacitance type physical quantity sensor and angular velocity sensor configured so as to be capable of suppressing noise derived from internal noise while maintaining resistance to externally-incoming noise. A detection element | 05-03-2012 |
| 20120103289 | Valve Timing Control Apparatus - A valve timing control apparatus includes a driving rotary member to receive a rotational force from a crankshaft of an engine, and a vane rotor connected with a camshaft and arranged to rotate relative to the driving rotary member, with at least one vane defining a retard pressure chamber and an advance pressure chamber in the inside of the driving rotary member. A lock member is received slidably in the vane of the vane rotor and arranged to engage with a lock hole when the vane is rotated to a predetermined angular position. The lock member includes forward and rearward end portions arranged to receive equal fluid pressures. The lock member further includes a pressure receiving portion to which an operating fluid pressure is selectively applied to force the lock member away from the lock hole. | 05-03-2012 |
| 20120097126 | Control Apparatus of a Direct Injection Gasoline Engine - In a direct injection gasoline engine, at acceleration operation, an amount of internal EGR is increased by advancing exhaust valve closing timing, and also fuel injection pressure is increased. In this case, range of increase in fuel injection pressure is determined on the basis of the exhaust valve closing timing at present. | 04-26-2012 |
| 20120093670 | High-Pressure Fuel Supply Pump Having Electromagnetically-Driven Intake Valve - The present invention eliminates a valve holder and accommodates a valve guide in a small space provided between a valve seat and a peripheral surface part of a pressure chamber to reduce the size of a pump. The valve guide guides a stroke of the valve and is provided inside the valve seat. The valve includes an annular abutting surface that abuts a valve seat formed in a valve housing to shut off a fuel intake passage and a bottomed cylindrical part is provided at an inner peripheral part of the annular abutting surface. The bottomed cylindrical part is inserted into a fuel introduction hole formed in the valve housing inside the valve seat. A member having a cylindrical surface part that supports a reciprocating motion of the valve, is fixed to the valve housing, face-to-face with an inner peripheral part of the bottomed cylindrical part. | 04-19-2012 |
| 20120090708 | High-Pressure Fuel Supply Pump Having Electromagnetically-Driven Intake Valve - It is an object of the present invention to improve responsiveness in valve opening and valve closing of an electromagnetically driven intake valve unit in which a valve is provided on a pressurizing chamber side of a valve seat. The valve includes an annular abutting surface that abuts the valve seat to shut off a fuel intake passage and a bottomed cylindrical part provided at an inner peripheral part of the annular abutting surface. The bottomed cylindrical part is inserted into a fuel introduction hole formed in the valve housing inside the valve seat, and the outer surface of an end part of the bottomed cylindrical part is exposed to fuel in a low pressure fuel chamber provided upstream of the fuel introduction hole. | 04-19-2012 |
| 20120087095 | Power Module and Power Conversion Device - A power module according to the present invention includes: a semiconductor element for converting DC current to AC current by switching operation; an electrical wiring board to which the semiconductor element is electrically connected, with the semiconductor element being disposed upon one of its principal surfaces; an insulating resin layer provided on the other principal surface of the electrical wiring board; a first insulation layer that is disposed opposite from the electrical wiring board, separated by the insulating resin layer, and that is joined to the insulating resin layer; a second insulation layer that is disposed opposite from the insulating resin layer, separated by the first insulation layer, and that ensures electrical insulation of the semiconductor element; and a metallic heat dissipation member that is disposed opposite from the first insulation layer, separated by the second insulation layer, and that radiates heat generated by the semiconductor element via the electrical wiring board, the insulating resin layer, the first insulation layer, and the second insulation layer. | 04-12-2012 |
| 20120085599 | Disk Brake - There is provided a disk brake that can hold a required thrust force and maintain a stop state of a vehicle without increasing complexity in the disk brake even if the disk brake is operated in a high temperature state of a brake pad and then a temperature of the brake pad is reduced. In the disk brake | 04-12-2012 |
| 20120085324 | Sensor Structure - A sensor structure capable of achieving both resistance to pollution and measurement performance such as humidity responsiveness is disclosed as is a multifunction sensor capable of facilitating integration of detecting devices for various physical quantities. The sensor structure includes a housing including a connector that mediates an input/output exchange with an outside and a terminal of the connector; and an electronic circuit board that is mounted inside of the housing and includes a humidity sensing element, the terminal of the connector and the electronic circuit board being electrically connected to each other, the sensor structure being inserted to be attached to an airflow tube through which a main air flows, via a seal material provided in the housing. The housing includes a plurality of bypass channels that each communicate an inside of the housing with an inside of the airflow tube. | 04-12-2012 |
| 20120079879 | Mass Air Flow Measurement Device - An arrangement of a mass intake air flow measurement device suitable for integrating a humidity sensing device as well as a temperature sensing device and a pressure sensing device is provided. A second bypass passage | 04-05-2012 |
| 20120072107 | Route Search Device, Server Device and Navigation Device - A route search device includes: map data; a derived route acquisition section that acquires a first derived route from an origin point to a destination; a route correction region acquisition section that acquires a route correction region; a place to be passed through setting section that sets a place to be passed through in the route correction region; a start point and end point setting section that sets a start point and an end point in the route correction region; a corrected route acquisition section that acquires a corrected route; and a route correction section that corrects the first derived route to a second derived route from the origin point to the destination, constituted by a route from the origin point to the start point, the corrected route, and a route from the end point to the destination. | 03-22-2012 |
| 20120072093 | Apparatus and Method for Controlling Fuel Injection of Internal Combustion Engine - The present invention relates to a fuel injection control apparatus for controlling fuel injection and a method therefor in an engine having first and second intake passages provided with first and second fuel injection valves, respectively. Fuel injection modes using the two injection valves include an alternative injection mode in which the first and second fuel injection valves are alternately operated every predetermined number of cycles and a combined injection mode in which both the first and second fuel injection valves are used for each cycle. Then, the combined injection mode is selected in a full load range. In a partial load range, the alternative injection mode is selected in a cold state and the combined injection mode is selected after warm-up. Accordingly, it is possible to reduce an equilibrium amount of adhering fuel to an inner wall of an intake passage. | 03-22-2012 |
| 20120072050 | Vehicle Control Device and Vehicle Control Method - A control device and method in which, even when a road deviation operation is performed continuously near a road boundary where sidewalk/road separating blocks are discontinuously lined up, discontinuity does not occur in the control input, and unwanted vehicle behavior does not occur. The sizes of obstacles present around a host vehicle, as well as their relative positions and relative speeds with respect to the host vehicle are detected 500. A pair to be linked is determined from among the plurality of detected obstacles 501. An obstacle link length that serves as a determination criterion for virtual linking is set 502. Whether or not to perform virtual linking is determined based on the determination criterion 503. A gap position interpolation process 504 is performed with respect to the pair for which it has been determined that virtual linking is to be performed. A search is performed as to whether or not there exists a control subject for which collision is to be avoided 505. A yaw moment for avoiding an obstacle is calculated based on position information of the avoidance control subject 506. | 03-22-2012 |
| 20120071010 | Electronic Control Device - An electronic control device including a plurality of terminal pins each including a first circuit board side connecting portion connected to a first circuit board, a second circuit board side connecting portion connected to a second circuit board, and an intermediate connecting portion disposed between the first and second circuit board side connecting portions and extending in an overlapping direction in which the first and second circuit boards overlap with each other, the intermediate connecting portions being aligned in a row along a predetermined alignment direction, and the terminal pins at least partially including adjacent two terminal pins formed into a bent shape such that the first circuit board side connecting portion of one of the adjacent two terminal pins is offset relative to the first circuit board side connecting portion of the other adjacent two terminal pins in a direction perpendicular to the predetermined alignment direction. | 03-22-2012 |
| 20120065810 | In-Vehicle Electronic Control Device, Control Software and Development Tool for Control Software - There is provided means enabling effective selection of a method of combining software assets in the development of software that is hierarchized and segmented into components. Control software | 03-15-2012 |
| 20120062746 | Image Processing Apparatus - An image processing apparatus capable of detecting, simultaneously and with high precision, headlights of oncoming cars, taillights of cars ahead, and pedestrians at night, the image processing apparatus comprising: means that obtains first exposure data at a first shutter speed; means that obtains second exposure data at a second shutter speed that is slower than the shutter speed; means that obtains third exposure data at a third shutter speed that is slower than the first shutter speed; means that converts the first exposure data into a visible grayscale image; means that outputs the visible grayscale image; means that converts the second exposure data into a color image; means that outputs the color image; means that converts the third exposure data into an infrared grayscale image; means that outputs the infrared grayscale image; means that detects a headlight based on the visible grayscale image; means that detects a taillight based on the color image; and means that detects a pedestrian based on an image obtained by processing the infrared grayscale image and the color image. | 03-15-2012 |
| 20120060599 | Thermal Type Air Flow Meter - A thermal type air flow meter that is capable of suppressing deformation of a base member at the time of molding is disclosed, to thereby secure dimension accuracy and reduce an influence of a dimension change on measuring accuracy. The meter includes a housing member placed in an intake passage of an internal combustion engine, and a base member fixed to the housing member and includes a secondary air passage into which part of air passing through the intake passage flows. The base member is a plate-like resin molded component formed of a synthetic resin material and includes a reinforcing structure integrally formed between a board fixing part to which a circuit board is fixed; and a secondary passage constituting part formed at a leading end part of the board fixing part, the reinforcing structure enhancing strength of the base member. | 03-15-2012 |
| 20120055445 | Control Device for Compressed Self-Ignition Type Internal Combustion Engine - An object is to provide a control device and control method for a compressed self-ignition type internal combustion engine, which can reduce torque variation due to misfire when the air-fuel ratio varies during compressed self-ignition type combustion, and thereby effectively use the potential for reducing fuel consumption. As the combustion mode, a spark-ignition type combustion mode by use of an ignition plug and a compressed self-ignition type combustion mode which utilizes a pressure increase in a combustion chamber in association with upward movement of piston are selectively set depending on an operational state of the engine, and when the air-fuel ratio in the compressed self-ignition type combustion mode is rich, a regional upper limit of the compressed self-ignition type combustion region is changed toward the lower engine torque side, and when the air-fuel ratio is lean, the regional upper limit is changed toward the higher engine torque side. | 03-08-2012 |
| 20120055245 | Thermal Air Flow Sensor - In a thermal air flow sensor according to the invention, a hollow formed in a detecting element is communicated with a circuit chamber, in which driving circuit parts of the detecting element are mounted, or an intake duct exterior. Thereby, pressure in the hollow balances with pressure on the outside. Also, since the circuit chamber is provided to be isolated from a detection chamber, in which a detecting part of the detecting element is arranged, that is, a passage chamber, through which air being a measuring object flows, air flowing in the passage chamber can be restrained from flowing into the hollow to have an influence on flow output characteristics. | 03-08-2012 |
| 20120035827 | Idle Stop Control Method and Control Device - There is provided an idle stop system that can more quickly restart with small noise in conducting idle stop. In preparation for a restart request during an engine inertial rotation, after a motor is rotated in a state where a starter motor is not coupled to the engine, a pinion is engaged with a ring gear during the motor is subjected to inertial rotation like the engine. In this situation, the rotational speed including future pulsation of the engine is estimated with the use of information on the crank angle, and a pinion pushing timing is controlled so that the pinion and the ring gear contact each other with a given rotational speed difference taking a delay time of a pinion pushing unit into consideration. | 02-09-2012 |
| 20120020136 | Electric Power Conversion System - A power conversion system according to the present invention includes: an inverter circuit unit that converts a direct current power supplied from a direct current source into an alternating current power, the direct current power being supplied to the inverter circuit through a contactor that conducts and interrupts the direct current; a capacitor that smoothes the direct current power; a discharge circuit unit that is connected to the capacitor in parallel, and that includes a discharge resistor for discharging a charge stored in the capacitor and a switching element for the discharge resistor, being connected in series to the discharge resistor; a voltage detection circuit unit that detects voltage between both terminals of the capacitor; a first discharge control circuit that includes a first microcomputer, and that outputs a control signal to control switching of the switching element for discharging; and a second discharge control circuit that outputs an interruption signal to interrupt the switching element for the discharge resistor. | 01-26-2012 |
| 20120007418 | Brake Control Apparatus - A brake control apparatus has a master cylinder pressure detection section that detects a master cylinder pressure produced by driver's brake operation, a pump that draws brake fluid in a master cylinder and discharges the brake fluid to a wheel cylinder that is provided in a wheel, and a control unit that controls a wheel cylinder pressure in response to the detected master cylinder pressure. The control unit has a master cylinder pressure correction section that corrects the detected master cylinder pressure in accordance with a discharge flow quantity of the pump, and a wheel cylinder pressure control section that controls the wheel cylinder pressure by the brake fluid discharged from the pump on the basis of the corrected master cylinder pressure. | 01-12-2012 |
| 20120001574 | Electric Power Conversion System and Electric Power Conversion Device - According to the present invention, an electrical power conversion system includes: a motor; an inverter circuit that outputs three-phase (U-phase, V-phase, W-phase) alternating currents to the motor; a current sensor that detects each of the three-phase alternating currents; and a control circuit that controls the inverter circuit based on a torque command value and values detected by the current sensor, so that the three-phase alternating currents outputted from the inverter circuit are formed as sine waves; and wherein the control circuit includes: a current component extraction unit that, based on the values detected by the current sensor, for each phase, extracts current components superimposed upon each of three-phase alternating currents; and an AC current abnormality detection unit that detects abnormality of an AC current flowing to the motor, based on the phases of the current components for any two phases among the three-phase alternating currents. | 01-05-2012 |
| 20110320081 | Electric Automobile, Hybrid Automobile, Automobile, Automobile Brake Network System, In-Vehicle Network System, and Electronic Control Network System - In order to prevent an automobile from keeping running in an unsafe state when communication via an in-vehicle network becomes impossible, the present invention provides an in-vehicle network in which a synchronization execution node is selected from electronic control units which perform electronic control on the running or power of the automobile, among respective electronic control units. | 12-29-2011 |
| 20110316329 | Brake Control Device - According to the present invention, limited electric power is consumed so as to achieve long-lasting use of electric power during brake control with the use of an auxiliary power supply source when there is a malfunction of a vehicle power supply source. In addition, a brake control device for ensuring responsivenss at the beginning of braking or when emergency braking is necessary is provided. The brake control device of the present invention is a brake control device for detecting electric signals generated depending on the degree of brake-pedal operation and calculating the driver's demanded braking force based on the electric signals so as to generate the demanded braking force, which comprises an auxiliary power supply source for supplying electric power to the brake control device when there is a malfunction of a vehicle power supply source and controls braking deppending on the charged capacity of the auxiliary power supply source. | 12-29-2011 |
| 20110315111 | Piston of Internal Combustion Engine - A piston for an internal combustion engine includes a piston base material including a pair of skirt portions opposed to each other in a radial direction of the piston base material. The piston includes a multiple-layer coating formed on at least one of surfaces of the pair of skirt portions. The piston further includes marks provided to respective layers of the multiple-layer coating at locations different from each other. | 12-29-2011 |
| 20110315108 | Control Device for Engine - Provided is a control device for an engine which is capable of purifying NOx with high efficiency at a restart after an idle stop without deteriorating purification efficiency of HC and CO. At the restart after the idle stop, an air-fuel ratio is controlled to be rich, and an atmosphere inside of a catalyst is estimated on the basis of a required time ΔT from a time point at which an output value (VO | 12-29-2011 |
| 20110310644 | Power Conversion Device - A power conversion device includes: an inverter that converts a DC current supplied from a DC power source to an AC current by engaging a plurality of switching elements, which constitute an upper arm, and a plurality of switching elements, which constitute a lower arm, in switching operation; a control unit that includes a signal generation unit that generates a switching signal carrying a command for execution of the switching operation in correspondence to each of the plurality of switching elements constituting the upper arm and the plurality of switching elements constituting the lower arm, and outputs the switching signal thus generated as a control signal; and a drive unit that individually drives each of the switching elements based upon the corresponding control signals. The control unit includes a plurality of protection circuits disposed in series on a control signal line extending between the signal generation unit and the drive unit, with each of the protection circuits outputting a control signal having been input thereto when a protective operation is not executed but outputting a control signal for setting the corresponding switching element either in a cut-off state or in an electrically continuous state in place of the control signal input thereto when the protective operation is executed. | 12-22-2011 |
| 20110310585 | Power Semiconductor Device and Power Conversion Device - A power semiconductor device includes a plurality of power semiconductor elements constituting upper and lower arms of an inverter circuit, a first sealing member sealing the plurality of power semiconductor elements, a positive electrode-side terminal and a negative electrode-side terminal each connected with any of the plurality of power semiconductor elements and protruding from the first sealing member, a second sealing member sealing at least a part of the positive electrode-side terminal and at least a part of the negative electrode-side terminal, and a case in which the power semiconductor elements sealed with the first sealing member are housed. | 12-22-2011 |
| 20110307164 | Control Device for In-Cylinder Fuel Injection Type Internal Combustion Engine - Provided is a control device for an in-cylinder injection engine which reduces an amount of fuel attaching and remaining on a piston crown surface so as to bring the first injection as advanced as possible and suppress an increase in the number of exhaust particles of PM, when fuel injection is performed a plurality of times in one cycle in the in-cylinder injection engine. At least the first fuel injection of the respective injections dividedly performed the plurality of times is performed in an intake stroke. At least the first injection start timing of the respective injections dividedly performed the plurality of times is set in accordance with an EGR amount. The first injection start timing is more advanced when the EGR amount is large than when the EGR amount is small. | 12-15-2011 |
| 20110295492 | Internal Combustion Engine Controller - At the time of drop of an injector current of an internal combustion engine controller, the drop is performed quickly while heat generation of a drive circuit is suppressed, and valve closing response speed of the injector is enhanced. The internal combustion engine controller includes a drive circuit which drives an injector current, and a boost circuit which boosts a battery voltage, and includes a peak current path for guiding a boost voltage of the boost circuit to an upstream side of the injector via a boost side switching element and a boost side protection diode, a holding current path for guiding the battery voltage to the upstream side of the injector via a battery side switching element and a battery side protection diode, a ground current path which is connected to a power supply ground from a downstream side of the injector via a downstream side switching element, and a regenerating circuit which allows the boost circuit to regenerate electric energy of the injector from the downstream side of the injector via a current regenerating diode, wherein the regenerating path is provided with a voltage regulating section in series with the current regenerating diode, and the drive circuit controls drive of the switching element. | 12-01-2011 |
| 20110276227 | Driving Support Device - A conventional brake control can generate only a small yaw moment compared with a steering control, so that reliable avoidance of obstacles cannot be obtained. With a steering control, the driver gets behind the wheel every time when crossing a lane and has an uncomfortable feeling. To solve these problems, a traveling aid device comprises: a detection unit for detecting the traveling state of a vehicle, the position of a lane marker, and the positions and types of obstacles around the vehicle; a calculation unit for calculating, based on the traveling state of the vehicle, the position of the lane marker, and the positions and types of the surrounding obstacles, a target yaw moment so as to prevent a departure from the lane marker and a collision with the surrounding obstacles; and a distribution unit for distributing, based on at least one of the traveling state of the vehicle, the position of the lane marker, and the positions and types of the surrounding obstacles, the target moment to a first actuator for controlling the driving/braking force and a second actuator for controlling the steering. | 11-10-2011 |
| 20110261168 | Camera Device - Provided is a camera device which is capable of estimating a road shape ahead of a target vehicle or capable of determining whether or not the target vehicle needs to be decelerated by controlling a brake before a curve, even in the situation where a white line of a traveling road or a roadside three-dimensional object is difficult to detect. A camera device 105 including a plurality of image capturing units 107 and 108 which each take an image of a traveling road ahead of a target vehicle 106, includes: a three-dimensional object ahead detection unit 114 which detects three-dimensional objects ahead 101 existing in a vicinity of a vanishing point of the traveling road 102 on the basis of the images picked up by the plurality of image capturing units 107 and 108; and a road shape estimation unit 113 which estimates a road shape of a distant portion on the traveling road 102 on the basis of a detection result detected by the three-dimensional object ahead detection unit 114. | 10-27-2011 |
| 20110260740 | Angular Velocity Detection Device - The present invention aims to provide an angular velocity detection device which is capable of reducing the effect of coupling between a drive electrode and a first displacement detection electrode by a floating capacity, and is low in cost. In the angular velocity detection device, an oscillating body | 10-27-2011 |
| 20110259005 | Brake Controller - Provided is a brake controller which can be made smaller. The brake controller ( | 10-27-2011 |
| 20110253109 | High-Pressure Fuel Pump - It is an object of the present invention to accurately position a cylinder of a high-pressure fuel pump with respect to an attachment fitting hole provided in an engine block of an internal combustion engine in mounting the pump on the engine block. | 10-20-2011 |
| 20110252886 | Angular Velocity Sensor - Failures can be detected with high accuracy even the ambient temperature changes or background vibration is applied. An angular velocity sensor is composed of a vibrator which is elastically and displaceably supported on a substrate; a driving means which vibrates the vibrator in the drive axis direction horizontal to the substrate surface; a displacement detecting means in the detection axis direction, which detects a displacement of the vibrator in the detection axis direction horizontal to the substrate surface and perpendicular to the drive axis direction; an angular velocity detecting means which detects an angular velocity based on the displacement of the vibrator in the detection axis direction; a self-vibration detecting means that detects self-vibration of the vibrator, which is generated due to leakage in the detection axis direction of the vibration of the vibrator in the drive axis direction; a self-vibration feedback circuit which completely cancels the self-vibration of the vibrator; and an abnormality determining means which determines abnormality using an output from the self-vibration detecting means. | 10-20-2011 |
| 20110251771 | Vehicular Drive Control Device - Disclosed is a vehicular drive control device that automatically starts follow-up control while a driver presses an accelerator pedal down, and when the driver further presses the accelerator pedal down, cancels the follow-up control. When a variation in manipulation of the accelerator pedal is kept within a predetermined range for predetermined time duration or longer, switchover is performed from normal control to follow-up control so as to start automatic control to keep a following distance with a leading vehicle at a predetermined distance. When the variation increases by a predetermined value or more, control mode is returned from follow-up control to normal control, and a manipulation reaction force is generated in accordance with an instruction value from the accelerator manipulation reaction force operation unit. When switchover is carried out from follow-up control to normal control, a torque instruction value from the follow-up control unit is switched to a torque instruction value from the normal control unit with a predetermined gradient. | 10-13-2011 |
| 20110249421 | Power Conversion Device - A power conversion device for a vehicle includes: a power module that includes a switching device and, upon operation of the switching device, converts DC power into AC power to be supplied to an electric machine for driving a vehicle; a capacitor module that includes a smoothing capacitor element, an input-side power source terminal for receiving DC power, and an output-side power source terminal for supplying DC power to the power module; and a noise removal capacitor for removing noise, wherein: the noise removal capacitor is built in the capacitor module, and the noise removal capacitor is electrically connected to the input-side power source terminal in a position where a distance between a connection position of the noise removal capacitor and the input-side power source terminal is less than a distance between a connection position of the noise removal capacitor and the output-side power source terminal of the capacitor module. | 10-13-2011 |
| 20110238363 | Apparatus for Detecting Angular Velocity and Acceleration - An apparatus for detecting angular velocity and acceleration having diagnosing units for diagnosing the function of detecting angular velocity; diagnosing units for diagnosing the function of detecting acceleration; a diagnosing unit for a DSP or a MPU; multiple ROMs storing the same data; a diagnosing unit for the ROMs; a diagnosing unit for a RAM; a unit for outputting the outputs of the angular velocity sensor, the acceleration sensor and the results of diagnoses all together in response to an output command from an external device; and a unit for sending error detection codes along with the sensor outputs and the result of diagnoses when the sensor outputs and the results of diagnoses are outputted together. | 09-29-2011 |
| 20110232610 | High Pressure Fuel Pump Control System for Internal Combustion Engine - A high pressure fuel pump control system for an internal combustion engine includes a fuel injection valve provided in a fuel common rail and a high pressure fuel pump for feeding fuel by pressure to the fuel injection valve. The high pressure fuel pump includes a pressurized chamber, a plunger for pressurizing fuel in the pressurized chamber, a discharge valve provided in a discharge passage, an intake valve provided in an intake passage, and an actuator for operating the intake valve. The control system includes a means for calculating a drive signal for the actuator to make a discharge amount or pressure of the high pressure fuel pump variable. The means reduces pressure in the common rail by opening the discharge valve to return the fuel in the fuel common rail to the pressurized chamber when a requirement for reducing the pressure in the fuel common rail is made. | 09-29-2011 |
| 20110231082 | Fuel Supply Control Device For Internal Combustion Engine and Fuel Vapor Processing Method - The present invention relates to a fuel supply control device for an internal combustion engine and a fuel vapor processing method. In the fuel supply control device that calculates a manipulated variable of a fuel pump such that a fuel pressure detected by a fuel pressure sensor is brought close to a target fuel pressure, a determination whether a fuel vapor is generated is made based on a detection value of the fuel pressure and the manipulated variable in a fuel pump, or the determination is made based on an amplitude of the detection value of the fuel pressure and an average fuel pressure in a fuel supply piping. During the fuel vapor generation, the target fuel pressure is corrected to be a higher value to increase the fuel pressure, thereby compressing and removing the fuel vapor. Therefore, in a fuel supply system, the fuel vapor generation can be detected at low cost to suppress the fuel vapor generation. | 09-22-2011 |
| 20110231077 | Control Apparatus for and Control Method of Controlling Variable Valve Mechanism in Hybrid Vehicle - In a control apparatus for and a control method of controlling a variable valve mechanism in a hybrid vehicle, just before an engine is stopped in response to an automatic stop request, an intake valve closing timing is controlled to be set to a second closing timing near the bottom dead center to stabilize an engine stop position; when the engine is stopped, the intake valve closing timing is retarded from the second closing timing to a first closing timing that is suitable for engine start; the engine is started with the closing timing being set to the first closing timing, and the intake valve closing timing is changed towards the retard angle side beyond closing timing against rev-up of the engine just after completion of engine start, so that the rev-up can be suppressed with good response while controlling the intake valve closing timing as required for starting the engine. | 09-22-2011 |
| 20110231053 | Vehicle Control Device Capable of Controller Area Network Communication and Diagnostic Method Therefor - The present invention relates to a vehicle control device that is communicably connected to other control devices so that controller area network (CAN) communication can be performed through a communication bus and a diagnostic method thereof. The vehicle control device includes a CAN data transmission unit that can generate and transmit CAN data, a transmission stop unit that stops transmission of the CAN data transmitted from the CAN data transmission unit to the communication bus when a transmission stop signal is inputted, an abnormality detection unit that outputs the transmission stop signal to the transmission stop unit when detecting an abnormality in the vehicle control device, and a diagnostic unit that causes the abnormality detection unit to output the transmission stop signal regardless of the detection of abnormality, causes the CAN data transmission unit to transmit the CAN data, and diagnoses a transmission stop function that stops the transmission of the CAN data to the communication bus on the basis of a result of comparison between the transmitted CAN data and data on the communication bus. | 09-22-2011 |
| 20110228796 | Real Time Control Network System - Provided is an on-vehicle network which can improve the network use efficiency and reduce the controller processor overhead even when the same communication cycle as the frame cannot be set in the filtering condition of a communication control device. A reference signal transmission controller is arranged in a network so as to generate and transmit a reference signal in accordance with the communication cycle. A reference signal reception controller receives the reference signal and compares the reference signals to a predetermined filtering condition table. If the signal is matched with the table, the controller executes a data reception process and a data transmission process. | 09-22-2011 |
| 20110226214 | Control Unit for Direct Injection Engine - When a direct injection type internal combustion engine is in an operating state, a fuel is split and jetted into a cylinder of the internal combustion engine and split injections are performed in a manner to make a ratio of a piston travel and an injection pulse width of split injection constant in a cycle whereby a rich mixture is not locally generated and a mixture in a cylinder of the internal combustion engine is put in a condition near stoichiometry. Also, when the internal combustion engine is in cold condition, a fuel is split and jetted and split injections are performed so that the ratio of the piston travel and the injection pulse width of split injections monotonously increases in a cycle. | 09-22-2011 |
| 20110224900 | Route Planning Device and Route Planning System - A route planning device includes: a search unit that searches for a plurality of facilities located near the minimum-cost route from a current position to the destination, where the battery can be charged; a guided route calculation unit that sets a waypoint on the minimum-cost route via which the moving object can be guided to each facility, and calculates a guided route from the waypoint to the each facility and a first power requirement indicating an amount of power required to travel through the guided route; and a facility designating unit that designates a target facility to which the moving object is to be guided, based upon third power requirements each calculated by adding a second power requirement, indicating an amount of power required to allow the moving object to travel from the current position to the waypoint, to the first power requirement and remaining power in the battery. | 09-15-2011 |
| 20110224885 | Apparatus for Measuring In-Cylinder Pressure - A method for correcting an output characteristic of an in-cylinder pressure sensor has a problem of insufficient correction precision because the measurement range required for the detection of a peak in-cylinder pressure and an ignition timing resides in a high-pressure region of an in-cylinder combustion cycle, whereas a reference pressure used for correction is measured while leaving an intake valve and an exhaust valve open, so that the reference pressure is out of the required measurement range. An apparatus for measuring an in-cylinder pressure includes: exhaust pressure detection means disposed in an exhaust port of an internal combustion engine to measure an exhaust pressure in the exhaust port; exhaust pressure recording means that records time history of the measured exhaust pressure; and peak exhaust pressure detection means that detects a peak value for each pulsation cycle of the exhaust pressure on the basis of the recorded time history of the exhaust pressure. A peak value of the in-cylinder pressure for each combustion cycle is calculated using the detected peak value of the exhaust pressure, and the calculated peak value of the in-cylinder pressure is used as a reference pressure. | 09-15-2011 |
| 20110222202 | Electromagnetic Valve Driving Circuit - Disclosed is an electromagnetic valve driving circuit capable of reducing a load of a booster circuit. | 09-15-2011 |
| 20110220069 | Injector Drive Circuit - The present invention realizes an injector drive circuit capable of providing high output power of a boost convertor while suppressing increases in size and cost thereof. An injector energizing circuit | 09-15-2011 |
| 20110220067 | Fuel Injection System for Internal-Combustion Engine and Method of Controlling Fuel Injection System for Internal-Combustion Engine - Disclosed is a fuel injection system that is used with an internal-combustion engine to reliably perform a requested fuel injection operation a requested number of times even when a boost voltage is lowered. The fuel injection system monitors the boost voltage immediately before the start of fuel injection, and varies a valve open time in accordance with the monitored boost voltage. Even when the boost voltage is lowered, the fuel injection system performs a fuel injection operation the requested number of times. | 09-15-2011 |
| 20110219873 | Angular Rate Sensor - An angular rate sensor includes a metallic core board having a core meal layer made of a metal plate and a wiring layer including a wiring structure, a semiconductor device for detecting an angular rate fixed on the core metal layer, and a cap fixed to the wiring layer. The semiconductor device for detecting an angular rate is disposed in a hollow chamber formed by the cap and the metallic core board. The metallic core board, the semiconductor device, and the cap are molded with resin. Consequently, the angular rate sensor has a packaging structure in which electromagnetic noise resistance and moisture resistance are improved while stress applied to the semiconductor device for detecting an angular rate is reduced. | 09-15-2011 |
| 20110218704 | Electric Power Steering Controller and Electric Power Steering System - The present invention provides an electric power steering controller and an electric power steering system that allow appropriate operation even when the operation of their torque sensors is abnormal. | 09-08-2011 |
| 20110209815 | Manufacturing Method of Combined Sensor - A movable device of acceleration sensors and a vibration device of a gyroscope are formed on the same sensor wafer spaced apart from each other by a wall. A cap wafer having gaps corresponding to the movable mechanical components of the acceleration sensors and gyroscope is provided for the wafer and an adsorbent divided into a plurality of divisional portions is disposed in the gap for the gyroscope. After the sensor wafer and the cap wafer have been bonded together at a temperature of inactivation of the adsorbent and in an atmospheric pressure ambience of noble gas and activated gas, the adsorbent divisional portions are activated in sequence to adsorb the activated gas so as to adjust the pressure inside the gyroscope, thus manufacturing a combined sensor wafer. | 09-01-2011 |
| 20110204742 | Rotating Electric Machine - A rotating electric machine comprises a stator and a rotor. In the rotor, numerous slots are formed along a circumferential direction. In the each of slots, a first stator coil and a second stator coil are inserted and insulated by an insulator inserted before inserting the coils in the slots. The insulator encircles the first and second stator coils so as to be formed into an S shape. The center portion thereof extends over the area between the first and second stator coils. One end of the insulator is held between one surface of the center portion of the insulator and the first stator coil. Other end of the insulator is held between another surface of the center portion of the insulator and the second stator coil. | 08-25-2011 |
| 20110199800 | Power Conversion Device - Connection portions ( | 08-18-2011 |
| 20110197846 | Control Valve Apparatus - In a hydraulic system equipped with a main flow passage for feeding oil to each of lubricated engine parts and a branch passage branched from the main flow passage, a control valve apparatus is provided for adjusting a flow rate of the oil flowing through a portion of the main flow passage downstream of the branched point. The control valve apparatus is configured to control openings of a large flow control section and a small flow control section, depending on a position of a valve element, and further configured to close the opening of the small flow control section, at least in a specified state where the opening of the large flow control section is fully opened with a maximum opening area. | 08-18-2011 |
| 20110187515 | Vehicle Control Apparatus - According to conventional art, if there is an obstacle on the left of a vehicle, a control threshold value is set so as to avoid the obstacle. If the control threshold value is exceeded, the vehicle is controlled in accordance with a deviation quantity so as to return to a position where the control threshold avoids being exceeded. However, even if a risky oncoming vehicle is approaching the vehicle on the right, the vehicle is controllably moved toward the oncoming vehicle. Thus, disadvantageously, a driver has a sense of fear or discomfort. A vehicle control apparatus according to the present invention includes a calculation section configured to calculate a first risk level present on the left of the vehicle and a second risk level present on the right of the vehicle, a setting section configured to set a first control threshold for the left of the vehicle based on the first risk level and to set a second control threshold for the right of the vehicle based on the second risk level, a change section configured to change at least one of the first and second control thresholds based on the first and second risk levels, and a control section configured to control the vehicle based on the changed control threshold. | 08-04-2011 |
| 20110179774 | Control Diagnostic Apparatus for Internal Combustion Engine - To prevent the deterioration of exhaust emissions of an internal combustion engine due to air-fuel ratio variation among multiple cylinders, and to identify an abnormal cylinder during an abnormality of cylinder air-fuel ratio variation. An control apparatus of an internal combustion engine comprising upstream air-fuel ratio detection means for detecting upstream air-fuel ratio of the catalyst that purifies exhaust emissions discharged from multiple cylinders, and configured to control air-fuel ratio of the multiple cylinders based on the upstream air-fuel ratio, wherein the air-fuel ratio variation among the multiple cylinders is increased and the upstream air-fuel ratio is controlled to become rich. Further, an abnormality of the air-fuel ratio variation among the multiple cylinders and an abnormal cylinder are identified based on an output of an air-fuel ratio sensor in downstream of the catalyst when the air-fuel ratio variation is increased, or an estimated value of an air-fuel ratio (central air-fuel ratio) at which the purification efficiency of the catalyst becomes optimal. | 07-28-2011 |
| 20110172900 | Controller for Idle Stop System - When a request for re-start of an engine or a request for start occurs during inertial revolution of the engine by fuel cut at the time of request for idle stop, an operation of starting by re-start of fuel injection and an operation of driving the starter overlap, and a problem is likely to occur in wear resistance and durability of a ring gear and a pinion gear. Further, since collision torque becomes large, a collision sound of the ring gear and the pinion gear and a mesh sound which occurs at the instant of connection are likely to occur. The present invention changes a method of starter drive based on a behavior of engine revolution after a request for re-start of the engine or a request for start occurs during inertial revolution of the engine by fuel cut at the time of request for idle stop, and combustion recovery is implemented by an engine combustion recovery function, or an engine state or the like at the time of occurrence of change of mind, in a controller of a vehicle having an idle stop function. | 07-14-2011 |
| 20110166768 | Control Device for Engine - A control device for an engine, capable of accurately estimating the quantity of exhaust heat from the engine and performing engine control which improves the exhaust quality and fuel consumption of the engine in various operating conditions thereof, by using the accurate extimated value of the quantity of exhaust heat. A control device for an engine is provided with an exhaust flow rate sensor for directly sensing the flow rate of exhaust gas discharged from the engine, an exhaust temperature estimating device for sensing or estimating the temperature of the exhaust gas discharged from the engine, and an exhaust heat quantity estimating device for estimating, based on an output of the exhaust flow rate sensor and an output of the exhaust temperature estimating device, the quantity of heat of the exhaust gas discharged from the engine. | 07-07-2011 |
| 20110155414 | Actuator Control Device, and Method of Manufacturing Circuit Device In Actuator Control Device - An actuator control device includes a circuit device that is resin-molded by a plurality of metal molds including at least one movable metal mold to include a first bus bar and a second bus bar. The first bus bar and the second bus bar each include a flat plate-like portion that includes two main flat-face portions having large surface areas, and two sub flat-face portions that are adjacent to the main flat-face portions and have smaller surface areas than the surface areas of the main flat-face portions. One of the main flat-face portions of the first bus bar faces one of the main flat-face portions of the second bus bar. The facing direction differs from the mold release direction of the movable metal mold. | 06-30-2011 |
| 20110155105 | Control Unit of Fuel Injector - An injection control unit of a fuel is provided, which prevents generation of a nozzle deposit of a fuel injector. In a control unit of a fuel injector capable of controlling a lift height that is a distance between a valve body and a valve seat, after start of fuel injection and before end of the fuel injection, after the lift height is controlled to a first height, a period in which the lift height is controlled to a second height which is lower than the first height is provided for a predetermined period. According to such a configuration, when the lift height of the valve body is lowered to the second height after the fuel is injected at the first height, a fuel velocity in the vicinity of an inner wall of an injection port is increased due to an inertial force of the fuel and reduction in an opening area. By a fuel flow at a high velocity, a contamination substance adhering to a wall surface is washed away. | 06-30-2011 |
| 20110155103 | Fuel Injection Valve for Internal Combustion Engine - In a fuel injection valve, it is intended to enhance valve-closing responsivity while maintaining durability (anti wear property) of a collision portion between a stationary core and a movable core and valve-opening responsivity. | 06-30-2011 |
| 20110155097 | Control Apparatus for Direct Injection Type Internal Combustion Engine - A control apparatus for a direct injection type engine is provided for reducing an amount of fuel that adheres to and that remains on a crown surface of a piston so as to suppress the increase of Number of particles as well as advancing the first injection as much as possible when plural fuel injections are carried out in one cycle in the direct injection type engine. The first injection timing is set based on a pulse width of at least the first injection among each of injections split plural times, and when the pulse width of the split first injection is short, the injection timing of the first injection is more advanced as compared with a case of a longer pulse width of the split first injection. | 06-30-2011 |
| 20110154885 | Thermal Gas Sensor - The present invention provides a high-responsiveness and high-accuracy thermal gas sensor configured to enable gas to be analyzed based on a variation in heat conductivity. The thermal gas sensor includes a substrate | 06-30-2011 |
| 20110146602 | Control Valve Apparatus - In a hydraulic system equipped with a main flow passage for feeding oil to each of lubricated engine parts and a branch passage branched from the main flow passage, a control valve apparatus is provided for adjusting a flow rate of the oil flowing through a portion of the main flow passage downstream of the branched point. The control valve apparatus is configured to control the flow rate to a large flow-rate side of a variable flow-rate range, until a hydraulic pressure of the oil flowing through the main flow passage becomes greater than or equal to a predetermined pressure value after the engine has been started from its stopped state. The control valve apparatus is further configured to control the flow rate to a small flow-rate side of the variable flow-rate range, when the predetermined pressure value has been reached. | 06-23-2011 |
| 20110142703 | VARIABLE DISPLACEMENT VANE PUMP - A variable displacement vane pump including a relief valve which includes a valve bore, a spherical valve element in the valve bore, a valve seat fixed onto one axial side of the valve bore and having a through hole and an annular seat surface on which the valve element is seated when the relief valve is in a closed position, a coil spring disposed on the other axial side of the valve bore, and a valve element retainer disposed between the valve element and the coil spring, wherein the seat surface is configured such that when the relief valve is in the closed position, a center of the valve element is located offset from a central axis of one winding seating portion of the coil spring which is disposed on an opposite side of the seat surface, in a radial direction of the valve bore. | 06-16-2011 |
| 20110141642 | Electromagnetic Load Circuit Failure Diagnosis Device - A layer short-circuit of a switch element such as a FET included in an electromagnetic load circuit is detected to accurately perform a failure diagnosis of the electromagnetic load circuit. A failure diagnosis circuit | 06-16-2011 |
| 20110140211 | Flow Sensor, Method for Manufacturing Flow Sensor and Flow Sensor Module - The invention provides a flow sensor structure for sealing the surface of an electric control circuit and a part of a semiconductor device via a manufacturing method capable of preventing occurrence of flash or chip crack when clamping the semiconductor device via a mold. The invention provides a flow sensor structure comprising a semiconductor device having an air flow sensing unit and a diaphragm formed thereto, and a board or a lead frame having an electric control circuit for controlling the semiconductor device disposed thereto, wherein a surface of the electric control circuit and a part of a surface of the semiconductor device is covered with resin while having the air flow sensing unit portion exposed. The invention further provides flow sensor structure in which surfaces of a resin mold, a board or a pre-mold component surrounding the semiconductor device are continuously not in contact with three walls of the semiconductor device orthogonal to a side on which the air flow sensing unit portion is disposed, or a manufacturing method for absorbing the dimensional variation of the semiconductor device by the deformation of springs or deformation of an elastic film in the thickness direction. | 06-16-2011 |
| 20110139105 | Variable Valve Timing Control Apparatus Cover and Method for Producing the Cover - A variable valve timing control apparatus (VTC) cover is a cover that covers both intake side and exhaust side VTCs respectively controlling valve timing of an intake valve and an exhaust valve by supplying/drawing of oil. The intake side and exhaust side VTCs are arranged parallel to each other and close to each other and installed to an internal combustion engine. The VTC cover has a first cover unit having a first supplying/drawing rod inserted into a rod connecting hole of one of the intake side and exhaust side VTCs to supplies/draws the oil and a second cover unit having a second supplying/drawing rod inserted into a rod connecting hole of the other of the intake side and exhaust side VTCs to supplies/draws the oil. The VTC cover is formed by fixing the second cover unit to the first cover unit. | 06-16-2011 |
| 20110139102 | Valve Control Apparatus for Internal Combustion Engine - A valve control apparatus includes a drive shaft; a control shaft including a control shaft main body configured to be rotationally controlled according to a state of engine, and a control eccentric shaft located eccentrically relative to a rotation center of the control shaft main body; a rocker arm swingably supported by the control eccentric shaft and configured to convert a rotational motion of the drive shaft to a swinging motion; and a swing cam configured to open/close an engine valve according to the swinging motion of rocker arm. Both ends of the control eccentric shaft are formed with fixing holes extending in a radial direction of the control eccentric shaft. The control shaft main body is formed with insertion holes passing through the control shaft main body in a radial direction of the control shaft main body. The insertion holes respectively face the fixing holes. The control eccentric shaft is fixed to the control shaft main body by bolts. The bolts pass respectively through the pair of insertion holes and are screwed respectively into the fixing holes. | 06-16-2011 |
| 20110137504 | Variable Valve Actuating Apparatus, Valve Phase Varying Apparatus and Control Apparatus for Internal Combustion Engine - An internal combustion engine is provided with a valve lift varying mechanism for intake valves and a valve phase varying mechanism for exhaust valves. A controller performs a control operation in response to a request to pause at least one cylinder while the engine is in operation. The control operation includes: a first operation of setting an intake valve lift to a zero-lift setpoint by the valve lift varying mechanism; and a second operation of setting an exhaust valve phase by the valve phase varying mechanism so as to set an exhaust valve opening timing to a first timing setpoint on an advance side of bottom dead center and set an exhaust valve closing timing to a second timing setpoint on a retard side of bottom dead center. The first and second timing setpoints are closer to top dead center than to bottom dead center. | 06-09-2011 |
| 20110120398 | Valve Control Apparatus for Internal Combustion Engine - A valve control apparatus includes a variable mechanism configured to vary operating states of two intake valves by varying a swing range of a single swing cam; a primary swing arm configured to receive swinging force from the swing cam by becoming in contact with the swing cam, and configured to open/close one of the two intake valves; a secondary swing arm configured to open/close another of the two intake valves; and a connection changeover mechanism configured to connect/disconnect the primary swing arm with/from the secondary swing arm in accordance with an operating state of engine. The connection changeover mechanism disconnects the primary swing arm from the secondary swing arm to maintain the another of the two intake valves in a non-lifted state, when the variable mechanism controls a swing amount of the primary swing arm within a range below a predetermined amount. The connection changeover mechanism connects the primary swing arm with the secondary swing arm to open and close both of the two intake valves together, when the variable mechanism controls the swing amount of the primary swing arm within a range greater than or equal to the predetermined amount. | 05-26-2011 |
| 20110107832 | Thermal Type Fluid Flow Sensor and Fabricating Method - A thermal type fluid flow sensor includes an air flow detecting portion and a temperature detecting portion formed above the same substrate, capable of correcting a humidity, and having a high measuring accuracy at a low cost, and a heat generating resistor, a temperature measuring resistor for the heat detecting resistor, a temperature measuring resistor for detecting an air flow, and a heat generating resistor for detecting a humidity are arranged in a diaphragm formed above a semiconductor substrate, an air cavity layer, and a protecting film above the air cavity layer are formed above the heat generating resistor for detecting the humidity, and the protecting film is provided with plural holes reaching the air cavity layer. | 05-12-2011 |
| 20110101585 | Shock absorber - There is provided a shock absorber comprising: a cylinder; a piston slidably inserted into the cylinder; a piston rod penetrating a rod guide mounted on an end portion of the cylinder so as to extend externally; a damping force generator producing damping force through flow of the working fluid in which to be caused by sliding movement of the piston in the cylinder; and a rebound spring provided in the cylinder so as to restrict an extended-side stroke of the piston rod, wherein the rebound spring is provided at a periphery of the piston rod where one end of the rebound spring is fixed to a side of the cylinder while the other end thereof is a free-end facing a rebound stopper fixed on a side of the piston rod, and the free-end of the rebound spring is provided with an elastic member that slidably abuts to the piston rod. | 05-05-2011 |
| 20110100333 | Control Apparatus for Internal Combustion Engine - A fuel injection control apparatus for an internal combustion engine which can inject a fuel injection quantity to a fuel injector with accuracy even when the fuel injection quantity is reduced than before is provided. A fuel injection control apparatus of a direct cylinder injection type of internal combustion engine, including a fuel injector which performs fuel injection by supplying a drive current to a solenoid, a fuel pressure sensor which detects fuel pressure supplied to the fuel injector, and operation state detecting means which detects the operation state of the internal combustion engine, comprises current profile changing means | 05-05-2011 |
| 20110100327 | Control Apparatus for Engine - An engine control apparatus having a unit for calculating the mean value of the angular acceleration with respect to each cylinder; a unit for calculating the variance of the angular acceleration with respect to each cylinder; a unit for estimating the torque and the air/fuel ratio with respect to each cylinder on the basis of the mean value and the variance; and a unit for controlling at least one of the intake air amount, the fuel injection amount and the ignition timing with respect to each cylinder on the basis of the estimated torque and air/fuel ratio. | 05-05-2011 |
| 20110100326 | Engine Control Unit - Provided is an engine control unit which is capable of determining whether or not a sudden change in ETC characteristic has occurred, timely learning the ETC characteristic, and thus suppressing excessive racing of an engine and enhancing torque realizing accuracy thereof, at a time other than the opportunity of a regular air quantity learning in a vehicle having no idle state or a less frequent opportunity of the idle state. The engine control unit performs automatic stop control and automatic starting control of an engine and includes: a characteristic storage means which stores therein a characteristic of an air flow rate with respect to a valve opening degree of an electronic throttle control valve; a characteristic change determination means | 05-05-2011 |
| 20110100126 | Capacitance Sensor - A technique in which a false detection and a wrong diagnosis can be suppressed in a capacitance sensor represented by an acceleration sensor is provided. A first capacitative element and a second capacitative element, which configure a capacitance detection unit, and a third capacitative element and a fourth capacitative element, which configure a forced oscillation generation unit, are electrically separated from each other. That is, the diagnosis movable electrode that configures the third capacitative element and the fourth capacitative element is formed integrally with the movable part. On the other hand, the diagnosis fixed electrode and the diagnosis fixed electrode are electrically separated from the detection fixed electrode and the detection fixed electrode. | 05-05-2011 |
| 20110088644 | Internal Combustion Engine Control Device and Internal Combustion Engine Control System - In an internal combustion engine control device, when the engine stops, a variable valve actuation device is controlled to change an operating mode of each of intake valves to a specific state where an all-cylinder valve closed period, during which the intake valves of all engine cylinders are all kept in their non-lifted states, occurs, and a crank position change mechanism is controlled to change a crankshaft-rotation stopped position to a crankangle included within the all-cylinder valve closed period. When restarting the engine, the variable valve actuation device is controlled to bring the operating mode of each of the intake valves closer to an engine-start desired lift characteristic suited to an engine condition, prior to cranking action. | 04-21-2011 |
| 20110087415 | Vehicular Deceleration Aiding Device - A deceleration aiding device capable of achieving deceleration control which reflects a driver's intention more accurately according to a driver's intention to decelerate a vehicle, and by which the acceleration of the vehicle is difficult to exceed a road surface friction coefficient is provided. The deceleration aiding device includes: a road information acquisition unit ( | 04-14-2011 |
| 20110085921 | Apparatus Having Control Valve and Variable Capacitance Pump and Hydraulic Pressure Circuit of Internal Combustion Engine in which the Same Apparatus is Used - In a hydraulic pressure circuit including an introduction section through which oil is introduced, a main passage section installed at a downstream side of the introduction section to be communicated with a supply section through which oil is supplied to each of slide sections of an internal combustion engine, a branch passage branched from the main passage section to supply oil to a hydraulic pressure actuator, and a control valve having a valve body which is moved in accordance with a pressure of an upstream side thereof, and a variable capacitance pump configured to drain oil to the introduction section, the variable capacitance pump is configured to vary a drained flow quantity in accordance with the drained pressure of oil and a pressure under which the oil drained flow quantity is started to be varied is higher than a pressure under which the valve body is started to move. | 04-14-2011 |
| 20110077831 | Brake Control System - Disclosed is a brake control system including a plurality of control apparatuses using a brake operation amount detection apparatus and one brake operation amount detection apparatus. The brake control system includes: a master-cylinder pressure control apparatus that controls a master-cylinder pressure based on a brake operation amount; a wheel-cylinder pressure control apparatus that controls a wheel-cylinder pressure of each wheel; and a master-cylinder pressure detection apparatus that detects a signal for calculating the master-cylinder pressure, the master-cylinder pressure control apparatus controls the master-cylinder pressure based on a detection result detected by the master-cylinder pressure detection apparatus, and the wheel-cylinder pressure control apparatus controls the wheel-cylinder pressure based on the detection result detected by the master-cylinder pressure detection apparatus. | 03-31-2011 |
| 20110075334 | Transmission Control Apparatus and Mechanically and Electrically Integrated Type Electronic Control Apparatus - An object of the present invention is to provide a mechanically and electrically integrated type electronic control apparatus which can be embedded in a compact mechanical part, and has a compact structure while having a high wiring freedom, a high heat dissipation and a high reliability. In a mechanically and electrically integrated type electronic control apparatus provided with a control signal generating part, and an angular wiring member connecting the control signal generating part and a controlled part controlled by a control signal of the control signal generating part, installed within a conductive casing, at least the wiring member has a fixed hole, a surface including the fixed hole is coated in an insulative manner, and the fixed hole is fixed to the conductive casing mechanically while keeping an insulating property. | 03-31-2011 |
| 20110074209 | Electrically Driven Brake Booster - In an electrically driven brake booster wherein an electrically driven actuator moves a booster piston upon operation of a brake pedal to generate a hydraulic pressure for driving a brake force at the maser cylinder, the electrically driven actuator controls to move the booster piston as the pressing member in order to correctly detect presence/absence of an operation of the booster piston and detect a movement pattern of an input rot and an input piston as the shaft member relative to a movement of the pressing member. In accordance with the movement pattern, presence/absence of an operation of the brake pedal is detected. By confirming that the brake pedal is not operated, by the method described above, a zero point of a stroke sensor for detecting the position of the shaft member and zero points of oil pressure sensors for detecting a hydraulic pressure supplied by the master cylinder are learnt. | 03-31-2011 |
| 20110073682 | Fuel Injection Valve - A fuel injection valve comprises a valve return spring as a coil spring that applies a spring force to a movable valve element toward a valve seat and an adjuster that is used for adjusting a spring force by adjusting the amount of spring compression. The injection valve is provided with parts supporting respectively both ends of the spring in the axial direction, and the parts rotatable in the circumferential direction of the spring. | 03-31-2011 |
| 20110073419 | Brake Controller - In a brake controller, a slope climbing vehicle stop detecting means determines when the vehicle is stopped while climbing a slope, and a pedal release detecting means determines that the pedal is released. An assist control unit interpolates a decrement in brake fluid pressure in the master cylinder due to an input piston movement caused by a release of a brake pedal. An assist piston is controlled by an electric motor to restore and maintain the fluid pressure within the master cylinder. | 03-31-2011 |
| 20110072897 | Heating Resistance Type Air Flow Rate Measuring Device - A temperature of the heating resistor is set at a temperature equal to or higher than a temperature, at which liquid droplets contacting a surface of the heating resistor evaporate and disappear by film boiling. Alternatively, when a heating resistance type air flow rate measuring device starts to operate or stops operating, the temperature of the heating resistor may be set at a temperature equal to or higher than the temperature, at which liquid droplets contacting a surface of the heating resistor evaporate and disappear by film boiling. Moreover, a water-repellent and oil-repellent protective coating may be provided on the surface of the heating resistor. | 03-31-2011 |
| 20110072895 | Flow-Rate Measurement Apparatus - A plate-shaped board is arranged so that fluid passages are respectively formed at a sensor-element mounting surface side of the plate-shaped board and at a backside surface side thereof being opposed to the sensor-element mounting surface side, a curved passage portion is provided which is located upstream of the plate-shaped board and changes its direction so as to form a curved line, and the curved passage portion has an outer-side wall surface including a sloping portion that slopes so that, of two edge portions of the outer-side wall surface in a direction perpendicular to board surfaces of the plate-shaped board, the edge portion located on a sidewall surface, facing the sensor-element mounting surface, of the curved passage portion is positioned closer to an inner wall surface of the curved passage portion than the edge portion located on a sidewall surface opposed to the first sidewall surface, along the sidewall surfaces. | 03-31-2011 |
| 20110072894 | Sensor Structure - The present invention utilizes self-heating of electronic components to improve a humidity sensing part with low environment resistance, such as a condensation problem and the like, and also to enhance the heat radiation efficiency of electronic components. The humidity sensing part is used in an intake tube of an automobile by integrating, for example, with a heating resister type mass air flow measurement device. A humidity sensing element is mounted on an electronic circuit board in a mass air flow measurement device with the temperature thereof starting to increase immediately after a sensor has been actuated. This urges the temperature of the humidity sensing element to start increasing (being heated) immediately after the sensor has been actuated. To urge the humidity sensing element to be further heated, a base plate is composed of two types of materials, resin and metal. A part of the base plate holding an area of the electronic circuit board generating a large quantity of heat is composed of the metal. A part of the base plate corresponding to the periphery of the humidity sensing part which is to be heated is composed of the resin. | 03-31-2011 |
| 20110066345 | Brake System - Fluctuations in a braking force and a deceleration during regenerative cooperative control are suppressed. A brake system includes a master pressure generating device | 03-17-2011 |
| 20110066342 | Vehicle Control Apparatus - A vehicle control apparatus includes an accelerator-manipulated-amount detecting section configured to detect a manipulated amount of accelerator; a braking-force generating section configured to generate a braking force of the vehicle; a driving-force generating section configured to generate a driving force of the vehicle; a control unit including a vehicle-body speed calculating section configured to calculate an actual vehicle-body speed. The control unit is configured to perform a normal control mode which generates a driving force corresponding to the accelerator manipulated amount, and to perform a speed control mode which calculates a target vehicle-body speed based on the accelerator manipulated amount and which controls the braking-force generating section and the driving-force generating section so as to bring the actual vehicle-body speed closer to the target vehicle-body speed. The vehicle control apparatus further includes a selecting switch configured to select between the normal control mode and the speed control mode. The control unit is configured to control the vehicle by one selected between the normal control mode and the speed control mode by the selecting switch. | 03-17-2011 |
| 20110063097 | Device for Detecting/Judging Road Boundary - There is provided a road boundary detection/judgment device resistant to environmental change and capable of detecting even a road boundary demarcated by a three-dimensional object in the distance. The device is provided with: an image acquisition section having two or more cameras for image-capturing the road area; a distance data acquisition section acquiring three-dimensional distance information about an image-capture area on the basis of an image obtained by the image acquisition section; a road boundary detection section detecting the height of a three-dimensional object existing in the road area on the basis of the three-dimensional distance information obtained by the distance data acquisition section to detect a road boundary; and a same boundary judgment section transforming the image, for a first road area where the height of a three-dimensional object corresponding to a road boundary could be detected and a second road area where the height of a three-dimensional object corresponding to a road boundary could not be detected, and judging whether the three-dimensional object corresponding to the first road area and the three-dimensional object corresponding to the second road area are the same. If it is judged that the three-dimensional objects corresponding to the first and second road area boundaries are the same, the second road area is reset as the first road area. | 03-17-2011 |
| 20110062122 | Method of Welding Circuit Conductor and Terminal of Control Apparatus - A method of welding a circuit conductor and one of a plurality of terminals of an electronic component of a control apparatus by melting and joining by a welding arc from a first electrode of a micromini TIG welder, the method includes: using the electronic component including the terminals which are apart from each other; and arc-welding while only the one of the plurality of the terminals of the electronic component of the control apparatus which is to be welded and the circuit conductor to be welded are sandwiched by an earth clamp jig serving as a second electrode so that the one of the plurality of the terminals of the electronic component of the control apparatus which is to be welded and the circuit conductor to be welded are grounded. | 03-17-2011 |
| 20110061616 | Valve Timing Control Apparatus for Internal Combustion Engine, and Method of Producing Same - A valve timing control apparatus for an internal combustion engine, includes a housing body, a sealing plate, a vane rotor, and a sealing ring. The housing body includes an opening at an axial end which is closed by the sealing plate. The sealing ring is disposed between the housing body and the sealing plate. The housing body is formed of an aluminum-based metal material and anodized, wherein the housing body includes a base layer and an anodic oxide coating film layer. The sealing ring abuts on the base layer of the housing body at the axial end. | 03-17-2011 |
| 20110057630 | Vehicular Alternator, and Rectifier of Vehicular Alternator - A rectifier of vehicular alternator that rectifies AC electrical power into DC electrical power comprises: a rectifier that includes a plurality of MOS FETs that are used as rectifier elements; a control circuit that applies drive signals to the gates of the plurality of MOS FETs via gate drive signal lines, and that thereby commands continuity and discontinuity of the plurality of MOS FETs; and a plurality of load circuits, one connected between the gate and the source of each of the MOS FETs, for bleeding down electric charge accumulated by gate capacitance of the MOS FET if the gate drive signal line is interrupted. | 03-10-2011 |
| 20110056291 | Angular Velocity Detecting Apparatus - An angular-velocity detecting apparatus including a synchronous-detection unit for performing the synchronous detection of a displacement signal from a vibrator, a unit for changing a voltage value so that the output of the synchronous-detection unit always becomes equal to its maximum value, the voltage value being applied to a resonant-frequency adjusting electrode, and a unit for feeding back the output of the voltage-value changing unit to the resonant-frequency adjusting electrode in a detection-axis direction. | 03-10-2011 |
| 20110054708 | Power Supply Control Device - When a highly accurate clock is received by a GPS radio wave from a GPS antenna, the highly accurate clock is always generated by locking a phase locked loop (PLL) circuit within a hold-over section of a clock control section in a power supply control unit. When the GPS radio wave cannot be received normally, the highly accurate clock depending on the GPS radio wave is set to a self-running condition not depending on a self-oscillation clock from an internal clock generating section and a time management section automatically corrects the present time data obtained when the standard radio wave is received from a radio wave antenna based on the highly accurate clock. A primary voltage generating section continuously generates the highly accurate clock even when an ignition switch is turned OFF by avoiding voltage variation in battery voltages while the ignition switch is turned ON. Accordingly, the power supply control device can sustain highly accurate time correction and a clock function under any environmental condition and can also control and execution of various functions based on accurate time management. | 03-03-2011 |
| 20110051371 | Semiconductor Device, and Power Conversion Device Using Semiconductor Device - The present invention provides a vehicle power module and a power converter including a power semiconductor element ( | 03-03-2011 |
| 20110049988 | Control System and Semiconductor Device Used Therein - The present invention aims to provide a control system which is capable of building high-precision current detecting means in a single-chip LSI and can be realized at a lower cost, and a semiconductor device used in the control system. Drive circuits are provided inside the same semiconductor chip. The drive circuits are equipped with: current detecting shunt resistors each of which is provided in each of the drive circuits and detects a current flowing through a load, the current detecting shunt resistors being provided within a semiconductor chip by the same process; a dummy resistor provided within the semiconductor chip by the same process as the current detecting shunt resistors; and a calibration reference externally attached to the semiconductor chip and connected to the dummy resistor. A correcting means corrects the values of currents that flow through the current detecting shunt resistors, using the dummy resistor and the calibration reference. | 03-03-2011 |
| 20110048226 | MASTER CYLINDER - A master cylinder includes a cylinder body which an operating fluid is introduced from a reservoir, a piston which is slidably fitted in the cylinder body and defines a pressure chamber inside the cylinder body, a supply pathway which is formed in the cylinder body and supplies the operating fluid from the reservoir to the pressure chamber, a bypass pathway which bypasses the supply pathway and allows the reservoir to communicate with the pressure chamber, and a check valve which is installed in the bypass pathway and opens a valve when the pressure inside the pressure chamber is lower than the pressure of the reservoir. | 03-03-2011 |
| 20110048127 | Thermal Humidity Sensor - Provided is a high-precision, mechanically robust thermal humidity sensor. A detecting element | 03-03-2011 |
| 20110042491 | Fuel Injection Valve - An injector used for an internal combustion engine, wherein force acting on a valve element due to flow of fuel is reduced. The shape of either a valve element front end or a valve seat surface of a fuel injection valve is adapted such that the distance between the valve element front end and the valve seat surface which is formed by a circular conical surface is greater than in the case when the shape from a valve element circular tube surface to a spherical surface which forms a seat is connected by a circular arc. As a result, the cross-sectional area of a flow path is rapidly increased from the valve seat surface, on the outer side of the valve element, and this reduces that portion of the valve element which receives pressure due to a reduction in static pressure, reducing force acting on the valve element. | 02-24-2011 |
| 20110042490 | Fuel Injection Valve and Method for Coupling Two Components Together - There is provided a coupling process whereby two components can be coupled together at high positional precision regardless of precision of a single component. A softer component | 02-24-2011 |
| 20110031939 | Discharge Circuit for Smoothing Capacitor of DC Power Supply - A discharge circuit for a DC power supply smoothing capacitor that is used in a power conversion device that supplies DC power via a switch to the DC power supply smoothing capacitor and an inverter, includes; a resistor that discharges charge in the capacitor; a switch connected in series with the resistor, that either passes or intercepts discharge current flowing from the capacitor to the resistor; a measurement circuit that measures a terminal voltage of the capacitor; and a control circuit that controls continuity and discontinuity of the switch; wherein the control circuit, after having made the switch continuous and starting discharge of the capacitor by the resistor, if a terminal voltage of the capacitor as measured by the measurement circuit exceeds a voltage decrease characteristic set in advance, makes the switch discontinuous and stops discharge by the resistor. | 02-10-2011 |
| 20110029218 | Engine Control Apparatus - The present invention performs correction appropriately according to errors in the fuel system and air system respectively and corrects both variations in the air-fuel ratio and torque. When the difference between a target air-fuel ratio and a real air-fuel ratio is equal to or below a predetermined value when feedback control based on the air-fuel ratio of an exhaust manifold | 02-03-2011 |
| 20110029179 | Motor Control Device and Motor System Equipped with Motor Control Device - A motor control device includes: an electric circuit that supplies power, which is supplied from a power source and controlled by the electric circuit, to a motor; and a control circuit that generates a command signal to be used to control operation of the electric circuit, wherein: the control circuit generates the command signal so as to intermittently turn off power supply to the motor while the motor is being driven with power supplied to the motor and controls operation of the electric circuit based upon the command signal thus generated. | 02-03-2011 |
| 20110025240 | Power Conversion Device - A power conversion device comprises a power conversion unit of a three phase full bridge type including upper arm switching devices and lower arm switching devices, and a controller that outputs drive signals to these switching devices. This power conversion device forms alternately a first interval in which the upper arm switching devices and the lower arm switching devices are switched to ON for different phases, and a second interval in which, for all phases, either the upper arm switching devices or the lower arm switching devices are switched to ON, according to electrical angle. | 02-03-2011 |
| 20110025119 | Brake Control System - A brake control system that enables accurate brake control is provided that precisely detects a master-cylinder pressure and includes a back-up function. The brake control system includes a master-cylinder operated by a brake operation of a driver; a first mechanism that regulates a pressure inside the master-cylinder according to the brake operation amount; a first control apparatus that controls operation of the first mechanism; a second mechanism that regulates communication of the pressure inside the master-cylinder to a wheel-cylinder; and a second control apparatus that controls operation of the second mechanism and operation of a pump apparatus that increases a pressure communicated to the wheel-cylinder. The first and second control apparatuses each have a power supply circuit and CPU. The brake control system further includes a first hydraulic pressure sensor that measures a pressure inside the master-cylinder and is electrically connected to the first control apparatus, and a second hydraulic pressure sensor that measures a pressure inside the master-cylinder and is electrically connected to the second control apparatus. | 02-03-2011 |
| 20110024245 | Shock absorber - A shock absorber comprising: a cylinder; a piston partitioning the cylinder into two chambers; a piston rod; a by-pass passage passing through the chambers; and a damping-force adjusting mechanism adjusting a passage area of the by-pass passage, wherein the adjusting mechanism includes: a shutter guide; a shutter movably guided by the shutter guide; and an elastic member elastically retaining the shutter at an initial position, an adjustable passage adjusting the passage area of the by-pass passage as that opening is varied by shift of the shutter is formed, shift of the shutter is not influenced by pressure difference between the chambers, and when the shutter is at the initial position, the adjustable passage is opened with a predetermined degree, and the shutter moves to close the adjustable passage by fluid force that generates by flow of the working fluid of the adjustable passage against elastic force of the elastic member. | 02-03-2011 |
| 20110023835 | Internal Combustion Engine Controller - In an internal combustion engine controller, a clock trouble determination signal from a clock trouble determining circuit that diagnoses any clock input trouble is transmitted in parallel with an abnormality diagnosis signal outputted from an abnormality diagnosing circuit and causes it to be inputted to a trouble/abnormality signal output circuit, and the trouble/abnormality signal output circuit achieves logical summing to output one line of resultant trouble/abnormality output OR signals to a microprocessor (MP). The MP outputs to the trouble/abnormality signal output circuit a trouble/abnormality confirmation input signal, and makes definite any of an abnormal state, a clock trouble state and a normal state based on the result of switching control of the status level of the pertinent trouble/abnormality output OR signal. | 02-03-2011 |
| 20110017179 | EGR Flow Rate Control Apparatus of Internal Combustion Engine - An EGR flow rate control apparatus of an internal combustion engine is provided that can correct with high accuracy an EGR gas flow rate measured by a gas flow rate measurement apparatus in an EGR passage and control with high accuracy a gas flow rate regulating valve to reduce discharge amounts of PM and NOx in exhaust gases. An EGR flow rate control apparatus | 01-27-2011 |
| 20110004422 | Internal Combustion Engine Control Apparatus - To provide an internal combustion engine control apparatus which is capable of obtaining an accurate air flow rate by using a thermal air flow rate detecting apparatus at the time when pulsation is caused. The internal combustion engine control apparatus according to the present invention is featured by including: storage means for storing a plurality of air flow rate conversion tables T | 01-06-2011 |
| 20110001373 | Rotating Electric Machine and Manufacturing Method Thereof - A rotating electric machine includes a rotor and a stator. The stator coil of the stator includes a set of a first stator coil and a second stator coil that is stored in an adjacent slot to a slot in which the first stator coil is stored, with a number of the set being same as a number of phases, and one end of each of the first stator coil and the second stator coil is a lead section and an other end is a neutral point. A plurality of the stator coils are arranged radially in layers in each slot, and a lead section of the first stator coil and a lead section of the second stator coil are connected with each other with one of the lead sections extending from an outermost layer of the slot and an other of the lead sections extending from an innermost layer of the slot so that the connected lead sections constitute an external connection terminal. | 01-06-2011 |
| 20100332132 | Route Guidance Server, Navigation Apparatus, Route Guidance System, and Route Guidance Method - A position coordinate based route transmitted from a server is reconstructed as a route of link numbers or node numbers in map data of navigation apparatus without error. A route guidance server searches a route from a start point to end point designated by a navigation apparatus; selects all or a part of nodes included in the searched route as route nodes; sets complementary points to the respective selected route nodes on the route and at a distance longer than a predetermined distance from the respective route nodes; and transmits information including coordinate information on the route nodes and complementary points as route information to the navigation apparatus. Then, based on the coordinate information on the route nodes and complementary points transmitted from the server, the navigation apparatus identifies the route nodes and road links connecting the route nodes by identification numbers in map data the navigation apparatus it self has. | 12-30-2010 |
| 20100327979 | Current Detection Apparatus and Control System Using the Same - A highly accurate current detection apparatus is realized in a one-chip LSI. An end of a current detector is connected to an analog power supply (VACC) or a virtual analog ground potential (VAG) of a voltage amplifier and an A/D converter, and a predetermined voltage is supplied between the voltage amplifier and the virtual ground potential (VAG) by a power supply. | 12-30-2010 |
| 20100326777 | Disk brake - A disc brake that suppresses braking noises when a vehicle moves backward include an urging spring urging a friction pad toward a rotationally exiting side of a disc when the vehicle moves forward, the urging spring being arranged between a hook portion of the friction pad and a torque receiving portion of a carrier. The urging spring formed through bend of an elastic plate material has its spring constant that is set to be a small value to avoid resonance frequency causing noise where the base end side thereof is fixed to the hook portion of the backing plate while the top end side thereof elastically abuts to the torque receiving portion of the carrier. The urging spring is located at the position that is outside in the radial direction from the center position of the hook portion in its width direction. | 12-30-2010 |
| 20100320878 | Electrical Rotating Machine - A direction in which cooling air generated by a cooling fan flows to be discharged is perpendicular or nearly perpendicular to a direction in which diffusers are inclined. Thus, airflow resistance is increased by the diffusers, and the cooling air cannot be efficiently discharged from discharge ports provided circumferentially in an outer peripheral portion of a housing. Further, a stator coil cannot be sufficiently cooled. An electrical rotating machine includes: a rotor having a cooling fan on an end face of the rotor; a stator that is arranged opposite the rotor and has a stator coil with a rotation clearance provided between the stator and the rotor; a housing that holds the rotor and the stator; a plurality of intake ports that are provided in a side wall portion of the housing; a plurality of discharge ports that are provided circumferentially in an outer peripheral portion of the housing; and a plurality of diffusers that are provided circumferentially on an inner wall surface of a corner portion of the housing, the diffusers inclining toward the side opposite to a rotational direction of the rotor. | 12-23-2010 |
| 20100320293 | Fuel Injector - A fuel injector is disclosed that has plural nozzle holes with the same cross-sectional shape and can individually set the flow rate of each nozzle hole. The fuel injector includes the plural nozzle holes, a seat section positioned upstream of the nozzle holes, a valve element that closes a valve when brought into contact with the seat section and opens the valve when separated from the seat section, and a circular cone tapered from an upstream end to a downstream end and provided with the seat section and an inlet opening of the nozzle holes. The plural nozzle holes have an identical shape and a shape of a cross-section of each of the nozzle holes is substantially out-of-round, the cross-section being perpendicular to a central axis of each of the nozzle holes. The cross-section of each of the nozzle holes is rotated around the central axis of each of the nozzle holes. A rotation angle of the cross-section is set in such a manner that a relationship between a conical surface of the circular cone and the rotation angle is different among at least two of the nozzle holes. | 12-23-2010 |
| 20100319658 | Motor-Driven Throttle Valve Device with Inductive Throttle Sensor and Inductive Throttle Sensor for Detecting Rotation Angle of Throttle Shaft of Motor-Driven Throttle Valve Device - In a situation where a conventional inductive throttle sensor is used with a motor-driven throttle valve device to detect the rotation angle of a throttle shaft, plural sensor connection conductor sections for connecting a connector terminal to a circuit board terminal section are formed on the cover on one lateral surface side of a circuit board in the long-axis direction. This increases the dimension of the cover in the short-axis direction (the dimension in the direction of air flow in an intake path). Consequently, it is difficult to install the motor-driven throttle valve device and inductive throttle sensor in a narrow engine room. This problem is addressed by using a separate member to achieve electrical conduction between a stator circuit board and a conductor routed inside the cover installed over the stator circuit board in a concentrated manner on one side of the circuit board. The problem is also addressed by disposing plural electrical conduction spots in a decentralized manner and away from a protrusion provided to limit the amount of axial movement of a gear. | 12-23-2010 |
| 20100305832 | Engine Control Device - There is provided an engine control device which can accurately calculate a compensation coefficient used for transient compensation of an ignition timing without involving a complicated and large-scale calculation model in order to prevent a combustion deterioration and the like caused by a mechanical response delay and the like of the variable valve timing mechanism at a transition time such as an acceleration/deceleration time. The angular difference between each current real phase of the intake/exhaust valves | 12-02-2010 |
| 20100301698 | Rotating Electric Machine and Manufacturing Method Thereof - A rotating electric machine includes: a stator and a rotor, wherein the rotor includes a rotor core in which rotor plates punched from roll formed magnetic steel plate are laminated, and a spider that retains the rotor core; the rotor plates and the rotor core include a plurality of keys arranged in their inner circumference contacting with the spider; the spider includes a plurality of keyways arranged in its outer circumference contacting with the rotor; a plurality of keys of the rotor core and a plurality of keyways of the spider are formed in such a manner that they fit with each other; and the plurality of keys of the rotor core and the plurality of keyways of the spider fit in a combination that renders a weight imbalance of the rotor core due to lamination of the rotor plates and a weight imbalance of the spider cancel each other. | 12-02-2010 |
| 20100288950 | ELECTROHYDRAULIC CONTROL MODULE - Disclosed is an electrohydraulic control module capable of being reduced in the number of components. A control valve | 11-18-2010 |
| 20100275685 | Thermal Air Flowmeter - An object of the invention is to provide a thermal air flowmeter which can reduce a detection error occurring during pulsating air flow due to a difference of response between rising and falling of detected flow or due to air flow dependence of response. A thermal air flowmeter | 11-04-2010 |
| 20100270094 | Rotating Electric Machine for Driving a Vehicle and Vehicle Equipped with the Same - A rotating electric machine for driving a vehicle includes: a stator that comprises a stator core in which a plurality of slots extending in a direction of a rotation axis are arranged circumferentially and a stator coil inserted into the slots; and a rotor that is rotatably provided in the stator through a gap, wherein: the stator coil is constituted with conducting wires, and a cross section of a protruding portion of each of the conducting wires that protrudes from the slots in a coil end portion of the stator coil is formed into a substantially trapezoidal shape. | 10-28-2010 |
| 20100269770 | Electric Valve Timing Control Device of Internal Combustion Engine - A drive rotation member is driven by a crankshaft of the engine, and a driven rotation member is rotatable relative to the drive rotation member and secured to a cam shaft of the engine. An electric motor is arranged to rotate together with the drive rotation member and produces a dynamic power when fed with an electric current through brushes. A hollow control shaft is rotatable relative to the drive rotation member and forces the driven rotation member to rotate relative to the drive rotation member when rotated by the power of the electric motor. A bearing device is arranged between the driven rotation member and the hollow control shaft for smoothing a relative rotation therebetween. The bearing device includes a plurality of rollers. A lubrication oil feeding structure is provided for causing the rollers of the bearing device to be submerged in a lubrication oil at least when the engine is in operation. | 10-28-2010 |
| 20100263632 | Control Apparatus and Control Method for Internal Combustion Engine - Even when a current waveform and a current value of a current which is supplied to an injector is changed in order to extend a dynamic range of the injector, fuel injection quantity precision is maintained and enhanced. A correction time for correcting an opening/closing delay of the aforementioned injector is variably set by a valve response delay time calculating unit | 10-21-2010 |
| 20100253137 | Vehicle Brake System - A brake system which can secure quietness in a passenger compartment is provided. A vehicle brake system | 10-07-2010 |
| 20100247362 | Gear Pump - A gear pump includes: a pump chamber formed in the housing; a gear disposed in the pump chamber; a side plate disposed between a wall of the pump chamber and the gear, and arranged to seal a side surface of the gear, the side plate including an annular receiving portion formed between the wall of the pump chamber and the side plate, the receiving portion having a bottom portion and a side wall portion; a seal member disposed in the receiving portion of the side plate, and arranged to liquid-tightly separate the low pressure chamber and the high pressure chamber of the pump chamber; a pressure introducing section arranged to introduce a pressure generated by the pump operation, to a space between the bottom portion of the receiving portion and the seal member, and thereby to separate the seal member away from the bottom portion of the receiving portion. | 09-30-2010 |
| 20100246889 | Vehicle Driving Assistance Apparatus - A vehicle driving assistance apparatus has an image capturing system capturing a road on which the vehicle travels, a white line type recognition section recognizing a type of a white line that defines a current traffic lane on which the vehicle is travelling on the basis of an image captured by the image capturing system, a white line type storage section storing the white line type recognized by the white line type recognition section, a white line type estimation section and a vehicle control system. When the white line type cannot be recognized by the white line type recognition section, the white line type estimation section estimates the white line type from white line types stored in the white line type storage section. The vehicle control system executes a vehicle control on the basis of the white line type estimated by the white line type estimation section. | 09-30-2010 |
| 20100244553 | Automotive Hydraulic Brake System - An automotive hydraulic brake system is provided which exhibits an excellent pressure reduction performance to a low μ road while restraining an intake resistance of a fluid pump. For providing the hydraulic brake system, a gate-in valve is connected to an intake passage that connects a master cylinder to an intake side of the fluid pump. The gate-in valve selectively opens and closes the intake passage in accordance with a mutual relation between a master cylinder pressure and a pressure produced at an intake side of the fluid pump. | 09-30-2010 |
| 20100242920 | Internal Combustion Engine Controller - There is provided an internal combustion engine controller that realizes a reduction in maximum current value and current regulation without sacrificing boost performance. An internal combustion engine controller | 09-30-2010 |
| 20100242905 | Vehicle Control Device and Idling System - A vehicle control device, including a vehicle control unit that controls engagement between an engine and a starter motor for starting the engine, wherein the vehicle control unit, along with cutting off fuel supply to the engine and causing the engine to rotate inertially, also, in a state in which fuel supply to the engine is cut off and the starter motor is not engaged with the engine, rotates the starter motor, and thereafter controls supply of electrical power to the starter motor so as to causes the starter motor to rotate inertially, and engages the starter motor to the engine while both the engine and the starter motor are performing inertial rotation. | 09-30-2010 |
| 20100242591 | Thermal-Type Flowmeter - The present invention provides a highly-sensitive thermal-type flow-rate sensor with enhanced reliability. Provided is a thermal-type flow-rate sensor including: a passage into which a measurement-target fluid is introduced; and a sensor element which is provided in the passage and which measures the flow rate of the measurement-target fluid. The sensor element | 09-30-2010 |
| 20100242589 | Thermal Type Flow Measuring Device - A first sub passage portion and a second sub passage portion are configured so as to form layers on both sides of a separation wall, respectively. A linear passage portion of a third sub passage portion is formed so that a cross section thereof extends within a range across both sides of the separation wall in a direction perpendicular to a wall surface of the separation wall. The cross section is taken along a direction perpendicular to a flow direction of a fluid flowing through the linear passage portion. The separation wall separates the layer of the first sub passage portion and the layer of the second sub passage portion from each other. A first communication passage portion which allows the first sub passage portion to communicate with the third sub passage portion curves to make a directional change and connects a passage wall surface of the first sub passage portion to a side wall of the third sub passage portion by an inclined surface. The passage wall surface is defined by the separation wall. The side wall is located on a side of the second sub passage portion with respect to the separation wall. A through passage which passes through the separation wall is provided in a second communication passage portion which allows the second sub passage portion to communicate with the third sub passage portion. | 09-30-2010 |
| 20100241302 | Rotation Detecting Device and Rotation Detecting Method - A rotation detecting device and a rotation detecting method determines normal rotation/reverse rotation of a rotating shaft based on a rotation signal different between the normal rotation and the reverse rotation of the rotating shaft. The rotation signal is set to have a pulse width different between the normal rotation and the reverse rotation of a crankshaft that is an output shaft of an internal combustion engine. By determining whether or not the pulse width is greater than a threshold value, the normal rotation or the reverse rotation of the crankshaft is detected. Whether or not the crankshaft is rotating normally is determined based on engine rotating speed, a cylinder in which a piston is in a predetermined position, an engine load, a starter switch, intake pressure, battery voltage, and the like. When the condition for the normal rotation is satisfied, the threshold of the pulse width is set based on a pulse width of a rotation signal measured at this time. | 09-23-2010 |
| 20100236516 | Piston for Internal Combustion Engine and Piston Surface Treatment Method - A piston for an internal combustion engine includes a piston base material and a film of lubrication coating composition. The coating composition has an inner coating layer formed on a surface of the piston base material and an outer coating layer formed on a surface of the inner coating layer. Each of the inner coating layer and the outer coating layer contains at least one of a polyamide-imide resin, a polyimide resin and an epoxy resin as a binder. The inner coating layer contains 0 to 50 wt % of at least one of graphite and molybdenum disulfide as a solid lubricant, whereas the outer coating layer contains 50 to 95 wt % of at least one of graphite and molybdenum disulfide as a solid lubricant. | 09-23-2010 |
| 20100229820 | Internal Combustion Engine Piston - An internal combustion engine piston includes a piston crown, a thrust-side skirt, an anti-thrust-side skirt, a first apron, and a second apron. The first and second aprons are connected to the thrust-side and anti-thrust-side skirts through connecting sections. Each connecting section has a thickness that gradually increases as followed from a proximal longitudinal end to a distal longitudinal end, wherein the proximal longitudinal end is closer to the piston crown, and the distal longitudinal end is closer to a distal longitudinal end of a corresponding one of the thrust-side and anti-thrust-side skirts. | 09-16-2010 |
| 20100229385 | Method of Processing Orifice - Disclosed herein is a method for processing an orifice capable of processing recessed portions and orifices, each having a unique hole diameter different from each other, to high positioning accuracy and in a short time. | 09-16-2010 |
| 20100219027 | Disk brake and sliding member - There is provided a disk brake comprising: a piston that presses a brake pad to a disk rotor; and a caliper at which the piston is slidably provided through a piston seal, the caliper making the piston moved forward by hydraulic pressure, wherein the piston has that an anodized film layer formed by an anodized treatment is formed on a surface of a piston base body made of aluminum alloy, and a chromium plating layer is directly laminated on a surface of the anodized film layer. | 09-02-2010 |
| 20100218614 | Measurement Element - An object of the present invention is to provide a structure unlikely to break in the dicing process while allowing easy execution of screening, for a measurement element in which a resistor constituting a heater is formed on a thin wall part thermally insulated from a semiconductor substrate by providing a cavity part formed in the semiconductor substrate. | 09-02-2010 |
| 20100206632 | Connection Structure, Power Module and Method of Manufacturing the Same - In ultrasonic bonding of a metal terminal to a substrate pad, a thin buffer metal layer which is formed of a soft metal or a highly slidable metal is interposed between a terminal edge and a pad so as to prevent direct contact between an end of the terminal and the pad upon bonding. This makes it possible to prevent abrasion and a crack in the pad at the end of the terminal caused by pressure and an ultrasonic wave upon the ultrasonic bonding. This makes it possible to realize a compact bonded structure with high reliability. | 08-19-2010 |
| 20100194056 | Disk brake - A disk brake including: a brake pad; a piston; a cylinder bore; an annular sealing groove formed on the cylinder bore; and a rectangular piston seal fitted into the sealing groove sealing between the piston and the cylinder bore, wherein the sealing groove includes: a bottom surface portion inclined as the sealing groove expands its diameter; a lateral surface portion that extends from one end of the bottom surface portion, the one end being a side where the sealing groove has the maximum diameter; and a chamfered portion, and wherein an inclined angle of the bottom surface portion is 2 to 8 degrees, an angle between the bottom surface portion and the lateral surface portion is 82 to 89 degrees, and with the piston installed into the cylinder bore, the piston seal abuts against the bottom surface portion and the lateral surface portion of the sealing groove. | 08-05-2010 |
| 20100187050 | Disk brake - There is provided a disk brake comprising: a mounting member axially extending over a disk periphery, the mounting member including a pad guide where a friction pad travels; a caliper; and a return spring between the friction pad and the mounting member and urges the friction pad into a return direction separating from the disk, wherein the return spring includes: a first extended portion where a base end side thereof is fixed to a back plate of the friction pad while a top end side thereof extends separating from the disk; and a second extended portion folded from the top end side of the first extended portion toward the mounting member, a top of the second extended portion extending to elastically abut to the side of the mounting member, and a plate thickness direction of the first extended portion extends to be approximately a radial direction of the disk. | 07-29-2010 |
| 20100186830 | Hydraulic Control Module - Disclosed is a hydraulic control module that can be downsized. The hydraulic control module includes an upper control valve, a lower control valve, and a wiring plate. The upper and lower control valves each include an oil path having a groove portion. A sandwich structure is employed so that the wiring plate is sandwiched between the upper and lower control valves. The wiring plate has a groove portion or a through-hole that is in communication with the at least one of the groove portion of the upper control valve and the groove portion of the lower control valve. | 07-29-2010 |
| 20100161192 | VEHICLE OPERATION SUPPORT SYSTEM AND NAVIGATION APPARATUS - A vehicle operation support system includes a navigation device, and a drive control device. The navigation device includes: part for storing road information including branch point information; and part for acquiring road curvature information with reference to the road information, and providing the drive control device with the road curvature information, before a vehicle reaches the branch point. The road curvature information includes information about curvature of first and second road sections extending forward from a branch point. The drive control device estimates entrance of the vehicle into one of the first and second road sections as a selected road section, and controls a driving state of the vehicle by operating an actuator with reference to information about curvature of the selected road section, in response to estimation of entrance of the vehicle into the selected road section. | 06-24-2010 |
| 20100138693 | Multi-Core Processing System for Vehicle Control Or An Internal Combustion Engine Controller - A vehicle control multi-core system for controlling a device mounted on a vehicle by using a plurality of cores, includes a computation process unit that is executed on the plurality of cores and required for the control of the device, and a core failure determination unit that compares a result of a computation process executed by the computation process unit at a specific timing on a specific core among the plurality of cores, with a result of a computation process executed by the computation process unit at a timing different from the specific timing on another core different from the specific core among the plurality of cores to determine that a failure occurs on the specific core. | 06-03-2010 |
| 20100132543 | Pneumatic booster - There is provided a pneumatic booster, comprising: a front shell; a rear shell; a housing formed as that respective openings of the front shell and the rear shell are integrally connected to each other, and a power piston arranged in the housing so as to divide an interior of the housing into a constant-pressure chamber on the front shell side and a working-pressure chamber on the rear shell side, wherein thrust force of the power piston generated by pressure difference between the constant-pressure chamber and the working-pressure chamber is applied to inputted force transmitted from a brake pedal to an input rod so as to obtain combined force, the combined force being outputted with a given boost ratio from an output rod, and wherein a thickness of the front shell is made to be thinner than a thickness of the rear shell. | 06-03-2010 |
| 20100132462 | Angular Velocity Detecting Apparatus - An angular velocity detecting apparatus including one synchronous detection unit alternately detecting synchronously a displacement signal from a vibrating body with a plurality of synchronous detection signals; one integral calculation unit alternately carrying out integral calculations of a plurality of outputs of the synchronous detection unit; a unit alternately multiplying a plurality of AC signals with two outputs obtained with the synchronous detection unit; a unit adding the two multiplied outputs; and a unit feeding back the output of the addition unit to vibrating body. | 06-03-2010 |
| 20100124513 | Gear Pump - A gear pump includes a gear to be driven by a drive shaft, a pair of side plate members adjoining side surfaces of the gear, respectively, to restrain leakage of an operating fluid, and a tip seal member or seal block for sealing the gear tip or circumference of the gear. At least one of the side plate members and the tip seal member are integral parts of a sealing member. | 05-20-2010 |
| 20100122690 | Control Apparatus for Internal Combustion Engine - In a control apparatus for an internal combustion engine, when a fuel pressure detected by the fuel pressure detecting unit is not smaller than a threshold P_a, the value opening time duration of a injector is increased to a value larger than its normal value, such control as to stop fuel injection from the injector is inhibited, the low pressure fuel pump is stopped, thus quickly lowering the fuel pressure. After the fuel pressure is lowered, the valve opening time duration of the injector is returned to the normal value, and a discharge quantity of the low pressure fuel pump is changed on the basis of a difference between the fuel pressure detected by the fuel pressure detecting unit and a target fuel pressure. | 05-20-2010 |
| 20100111734 | Electromagnetically-Driven Valve Mechanism and High-Pressure Fuel Supply Pump Using the Same - In a conventional configuration, a lead line weld joined portion | 05-06-2010 |
| 20100109586 | Controller for Rotating Electrical Machines - A controller for rotating electrical machines comprises a processing unit, to which a plurality of parameters are input, for generating a switching instruction to control a switching operation of a switching semiconductor device and outputting a signal corresponding to the switching instruction to a power converter. The processing unit includes at least a function to input thereto signals having been output from each of sensors such as a current sensor to detect current passed between the power converter and a winding of an armature, a temperature sensor to detect temperature of the winding of the armature, and a magnetic pole position sensor to detect magnetic pole position of a magnetic field system, and, based upon information on current, temperature, and rotation speed of the rotating electrical machines, having been obtained from those sensor signals, detects a magnetic flux that interlinks with the winding of the armature from a permanent magnet. | 05-06-2010 |
| 20100085023 | Control Device for Automobile Battery-Charging Generator - This invention provides a control device for automobile battery-charging generators, adapted to supply a plurality of sets of specifications in a highly reliable and stable form by simple switching between electrical characteristics assigning and limiting functions so as to meet various needs of users. | 04-08-2010 |
| 20100082437 | INFORMATION PROVIDING SERVER AND ITS MOBILE TERMINAL - An advertisement information providing server and its terminals are provided in which landmarks along a route and high advertisement effects are supplied to users. Map information is displayed on the display apparatus of a mobile terminal, a route to a destination and picture information existing along the route are displayed on the map, and advertisement information compatible with the picture information is displayed. Access information of the mobile terminal is displayed together with the advertisement information, and adjusted in accordance with running of the mobile terminal. | 04-01-2010 |
| 20100082223 | HIGH PRESSURE FUEL PUMP CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - There is provided a high pressure fuel pump control system for an internal combustion engine which enables fuel pressure control with high precision without being restricted by the number of cylinders of the internal combustion engine or the number of phase sensor signals and the number of cam noses which vertically drives a plunger of a high pressure fuel pump even when a camshaft phase varies by a variable valve timing mechanism by using the high pressure fuel pump with a solenoid valve. The control system has a means which changes an effective stroke by driving the solenoid valve in the high pressure fuel pump, and has a means which changes the drive timing of the high pressure fuel pump based on a cylinder recognition value of the internal combustion engine with the cam angle detecting means as an origin. | 04-01-2010 |
| 20100078269 | Disk brake - There is provided a disk brake, comprising: a pad supporting member where at least a pair of lining pads is supported, and at least two first installation holes are provided at a mounting portion that is installed to a vehicle; at least two second installation holes provided at a non-rotational portion of the vehicle; and a fixing bolt installed into the first and second installation holes so as to fasten the mounting portion and the non-rotational portion, wherein a reinforcement member is provided with at least two internal thread portions into which the fixing bolt is screwed, the reinforcement member being formed with materials different from the ones of the mounting portion and the non-rotational portion, and the mounting portion and the non-rotational portion are fastened by means of the reinforcement member and the fixing bolt. | 04-01-2010 |
| 20100077851 | Air Flow Meter - In a structure in which peripheral part of a diaphragm section of an electrical insulating film is covered with a protective film made of an organic material, the resistor wire on the diaphragm section crosses the peripheral part of the diaphragm section. At a place where a narrow wire of a resistance temperature detector and the like crosses the peripheral part of the diaphragm section, the protective film is thinner than the other part, and the dust impact resistance is reduced. At a place where a heating resistor wire connected to a heating resistor body or resistance temperature detector wires connected to resistance temperature detector bodies cross a periphery of the diaphragm section, a film component protruding from an electrical insulating film is arranged side by side with the heating resistor wire or the resistance temperature detector wires. | 04-01-2010 |
| 20100070151 | Vehicle Speed Control Device and Method for Controlling Vehicle Speed - An accelerator pedal operation condition detecting section detects an operation condition of the accelerator pedal, a brake pedal operation condition detecting section detects an operation condition of the brake pedal; an inter-vehicular distance detecting section detects a distance between an own-vehicle and a forward-vehicle and a speed control section controls a speed of the own-vehicle. A control unit is configured to keep a relative positional relation between the own-vehicle and the forward-vehicle when the detected inter-vehicular distance is smaller than a predetermined reference inter-vehicular distance and the operation condition detected by the accelerator pedal operation condition detecting section and the brake pedal operation condition detecting section indicates a predetermined operation condition. | 03-18-2010 |
| 20100066163 | Brake Apparatus - A brake apparatus is provided that can make a ratio between a front wheel braking force and a rear wheel braking force that is actually generated into an arbitrary ratio. This brake apparatus includes a pedal operation detection section that detects a pedal stroke or a brake pedal force produced by a brake pedal operation; a brake caliper that is provided in each wheel of a vehicle and that generates a caliper force that is in accordance with a detection value of the pedal operation detection section; a load estimation section that estimates a load of each of the wheels; and a force generation section that, after judging that braking is performed in a state in which a load difference exists between left and right wheels of the vehicle based on a value that is estimated by the load estimation section, even if the pedal operation detection section detects a pedal stroke or a brake pedal force that is the same as for the braking at a time of judging or for braking prior to the judging, generates a caliper force that is different to the caliper force before the judgment. | 03-18-2010 |
| 20100062897 | Brake Control System - Provided is a brake control apparatus for a vehicle which detects an amount of brake-pedal operation by means of an electric signal, and then calculates a braking force demanded by a driver from the electric signal, and thereby generates the demanded braking force. A control mode for a braking force is switched from a normal control mode to a stationary-vehicle control mode, if a determination that the vehicle is in a stationary state is followed by another determination that an electric signal corresponding to an actual braking force exceeds a command value for a stationary-vehicle braking force while the vehicle is in the stationary state. The control mode for a braking force is switched from the stationary-vehicle control mode to the normal control mode, if it is determined that the demanded braking force becomes smaller than the command value for the stationary-vehicle braking force. In addition, in the stationary-vehicle control mode, a braking force generated by a means for braking is equal to the command value for the stationary-vehicle braking force, whereas, in the normal control mode, the braking force generated by the means for braking is equal to the braking force demanded by the driver. | 03-11-2010 |
| 20100061872 | Gear Pump - A gear pump includes a drive shaft, a rotatable pump element mounted on the drive shaft, a side wall member disposed on one side of the pump element, and formed with a shaft hole through which the drive shaft extends, and a side plate disposed on the other side of the pump element. The gear pump further includes a connecting section connecting the drive shaft with the pump element in a manner to prevent relative rotation and to allow relative axial movement between the drive shaft and the pump element. The connecting section includes a drive recess formed in the pump element, and a drive projection projecting radially outwards from the drive shaft, and engaging in the drive recess to prevent the relative rotation. The drive projection is arranged to limit the axial movement of the drive shaft relative to the pump element with one of the side wall member and the side plate. | 03-11-2010 |
| 20100051727 | Multihole Injector - Each of the injection holes has an inclined angle with respect to a center line of an injection valve main body as well as the inclined angle of each of the injection holes is provided with a predetermined offset amount with respect to a target inclination angle of a center of gravity position of each of the injected fuel sprays. The predetermined offset amount is set based on a correction amount for correcting positional drift with respect to the target direction of the center of gravity position of the fuel spray. | 03-04-2010 |
| 20100044144 | Circular-Shaped Linear Synchronous Motor, Electromagnetic Suspension and Motor-Driven Steering Device Using the Same - Disclosed are a high-damping and high-thrust cylindrical linear motor and a motor-driven power steering device. A stator includes three-phase stator and a stator core. A slider includes a slider core and permanent magnets. The stator core includes stator-core salient poles, two auxiliary poles and yoke units with a small poles on its surface of the side of the slider, the auxiliary poles being deployed at both ends of the stator-core salient poles, the yoke units configuring a magnetic circuit in cooperation with the stator core and the auxiliary poles. The magnetic circuit is shared among the three phases. Polarities of magnets of the slider become an identical polarity, each of the plurality of permanent magnets being positioned at a position which is opposed to each of the plurality of small poles included in one stator-core salient pole out of the plurality of stator-core salient poles. | 02-25-2010 |
| 20100031737 | MASS AIR FLOW MEASUREMENT DEVICE - An arrangement of a mass intake air flow measurement device suitable for integrating a humidity sensing device as well as a temperature sensing device and a pressure sensing device is provided. A second bypass passage | 02-11-2010 |
