Patent application number | Description | Published |
20090218169 | ENGINE LUBRICATION SYSTEM - An engine lubrication system for a multi-cylinder engine, comprising: plurality of crank chambers that are partitioned by crankshaft bearing portions of the engine; pumps that take out oil from a lower portion of the engine; oil collection passages that are respectively provided for the crank chambers, a designated number of the oil collection passages being merged and connected to at least one of suction ports of the pumps; an oil storage section that temporarily stores the oil taken out from the lower portion of the engine; a lubrication part that supplies the oil in the oil storage section to a portion to be lubricated of the engine; and a pressure variation suppression section that is provided between the suction ports of the pumps and the designated number of the crank chambers to be merged, the pressure variation suppression section suppressing pressure variations in the crank chambers. | 09-03-2009 |
20110040450 | ELECTRIC POWER STEERING APPARATUS - An electric power steering apparatus drives a motor to generate a steering assist force according to a steering torque and includes an output circuit for supplying the motor with electric power from at least one of a battery and an auxiliary power supply. The electric power steering apparatus has a control circuit which at or after detection of a breakdown of the battery, determines a length of time to the end of steering assist (decreasing time t | 02-17-2011 |
20120274260 | MOTOR CONTROL UNIT AND VEHICLE STEERING SYSTEM - In a motor control unit, a current-carrying failure detection unit determines a first determination condition and a second determination condition. The current-carrying failure detection unit measures a duration of a state where the first determination condition is satisfied, and a duration of a state where the second determination condition is satisfied. When the first or second duration exceeds a predetermined reference period, the current-carrying failure detection unit determines that a current-carrying failure has occurred. | 11-01-2012 |
20140139158 | MOTOR CONTROL DEVICE AND STEERING DEVICE FOR VEHICLE - In a state in which the energization in the first direction is possible between the motor and the drive circuit and the motor is not rotating at high speed, when the phase induced voltage value of the specific phase that is the target of determination is continuously equal to or smaller than the abnormality determination threshold, the abnormality detecting unit determines that an open malfunction has occurred in the relay FET of the specific phase. | 05-22-2014 |
20140217940 | ELECTRICALLY OPERATED POWER STEERING DEVICE - An electric power steering apparatus includes an EPS actuator that applies assist force to a steering system, and an ECU that controls operation of the EPS actuator. The ECU includes an inverter device, a gate driver circuit, a gate driver power source, a microcomputer, and the like. The microcomputer switches assist control to assist stop control, based on an indication of a voltage decrease in the gate driver power source. | 08-07-2014 |
Patent application number | Description | Published |
20090129715 | Bearing Unit for Driving Wheels - A process for assembling to a knuckle member a bearing unit for driving wheels including a hub, a bearing, and a constant velocity universal joint is simplified. In order to achieve this, a hub ( | 05-21-2009 |
20090203454 | Bearing device for wheel - It is an object of the present invention to reduce cost of a hub wheel in a bearing device for wheel for a drive wheel or a driven wheel. | 08-13-2009 |
20090317177 | CONSTANT VELOCITY UNIVERSAL JOINT - The present invention provides a constant velocity universal joint having a recess-projection engagement configuration in which backlash at a shaft connecting region does not easily occur, and an inner joint component and a shaft can be firmly connected. In the constant velocity universal joint of the present invention, the inner joint component and the shaft | 12-24-2009 |
20100021102 | WHEEL BEARING DEVICE - The present invention provides a wheel bearing device that can suppress backlash in the circumferential direction and has excellent workability in connecting a hub wheel and a outer joint component of a constant velocity universal joint. The wheel bearing device according to the present invention is that in which a stem shaft | 01-28-2010 |
20100092122 | BEARING DEVICE FOR DRIVING WHEEL, AND ITS ASSEMBLING METHOD - Provided is a small-sized, lightweight, low-cost, and highly reliable bearing device for a driving wheel which needs no tapered spline, and eliminates a circumferential backlash in spline fitting portions to thereby prevent unusual noise. The bearing device for a driving wheel comprises an outer race ( | 04-15-2010 |
20100215302 | BEARING DEVICE FOR A WHEEL - Provided is a bearing device for a wheel that can realize prevention of a backlash in a circumferential direction and is excellent in workability of connection of a hub wheel and an outer joint member of a constant velocity universal joint. Further, provided is a bearing device for a wheel that can prevent deterioration in NVH characteristics, which is caused by the backlash occurring in a joint section between the hub wheel and the constant velocity universal joint or between an outer member and a knuckle, and can perform rotation torque transmission with high accuracy. The bearing device includes a recess-projection fitting structure (M) in which the hub wheel ( | 08-26-2010 |
20100262347 | VEHICLE - A vehicle can be operated in a first drive mode in which a front differential is set to a non-driven state and a rear differential is set to a differential state, a second drive mode in which the front differential is set to a non-driven state and the rear differential is set to a differential locked state, a third drive mode in which the front differential is set to a differential state and the rear differential is set to a differential locked state, and a fourth drive mode in which the front differential is set to a differential locked state and the rear differential is set to a differential locked state. Transition is allowed only between adjacent drive modes. | 10-14-2010 |
20140239706 | BEARING DEVICE FOR A WHEEL - A bearing device for a wheel prevents backlash in a circumferential direction and has excellent workability for connecting a hub wheel and an outer joint member of a constant velocity universal joint. The bearing device includes a recess-projection fitting structure in which the hub wheel and a shaft section, which is fitted in a hole of the hub wheel of the outer joint member of the constant velocity universal joint, are unitized together. In the recess-projection fitting structure, entire fitting regions among projections on the outer surface of the shaft section of the outer joint member and recesses, which fit on the projections, are brought into intimate contact with each other. | 08-28-2014 |
20140239707 | BEARING DEVICE FOR A WHEEL - A bearing device for a wheel prevents backlash in a circumferential direction and has excellent workability for connecting a hub wheel and an outer joint member of a constant velocity universal joint. The bearing device includes a recess-projection fitting structure in which the hub wheel and a shaft section, which is fitted in a hole of the hub wheel of the outer joint member of the constant velocity universal joint, are unitized together. In the recess-projection fitting structure, entire fitting regions among projections on the outer surface of the shaft section of the outer joint member and recesses, which fit on the projections, are brought into intimate contact with each other. | 08-28-2014 |
20150197121 | BEARING DEVICE FOR A WHEEL - A bearing device for a wheel prevents backlash in a circumferential direction and has excellent workability for connecting a hub wheel and an outer joint member of a constant velocity universal joint. The bearing device includes a recess-projection fitting structure in which the hub wheel and a shaft section, which is fitted in a hole of the hub wheel of the outer joint member of the constant velocity universal joint, are unitized together. In the recess-projection fitting structure, entire fitting regions among projections on the outer surface of the shaft section of the outer joint member and recesses, which fit on the projections, are brought into intimate contact with each other. | 07-16-2015 |
Patent application number | Description | Published |
20090245866 | IMAGE FORMING APPARATUS HAVING A CLEANING MEMBER THAT CLEANS A TRANSMITTING MEMBER PROVIDED IN AN OPTICAL DEVICE - An image forming apparatus including a cartridge that has a photosensitive drum and can be attached to and detached from a main body of the image forming apparatus, an optical device that has a cover glass through which light emitted toward the photosensitive drum passes, a cleaning member that can move from a cleaning start position to a cleaning end position for cleaning the cover glass, and a lock member that prevents the cleaning member from moving. Before the cartridge is attached, the lock member prevents the cleaning member from moving in the longitudinal direction of the cover glass. During the attachment of the cartridge, the cartridge engages with the lock member and unlocks the cleaning member and enables the cleaning member to move from the cleaning start position. | 10-01-2009 |
20090297222 | COLOR-IMAGE FORMING APPARATUS - A color-image forming apparatus includes a plurality of photosensitive members corresponding to individual colors and disposed along the moving direction of a transfer member to which toner images are to be transferred, wherein the peripheral speed of a photosensitive member that is not forming a toner image on the transfer member is controlled so that a load during forming of a toner image on the transfer member with part of the photosensitive members at least comes close to a reference load generated between all the photosensitive members and the transfer member while all the photosensitive members are forming toner images on the transfer member. | 12-03-2009 |
20120161391 | IMAGE FORMING APPARATUS - Provided is an image forming apparatus capable of preventing unnecessary sheet feeding when power is turned on. A state of a drive transmission portion | 06-28-2012 |
20130094880 | IMAGE FORMING APPARATUS - A container is detachably mountable on an apparatus body in a mounting-detaching direction that is along the same direction as a mounting-detaching direction of a transfer unit and that is in the reverse direction of the mounting-detaching direction of the transfer unit. When the transfer unit and the container are mounted on the apparatus body, a belt, a cleaning device, and the container are arranged in that order in a transport direction of the belt. A discharge portion is provided, the discharge portion extending in the mounting-detaching direction of the container, for discharging the toner removed by the cleaning device to the container. | 04-18-2013 |
20140169833 | IMAGE FORMING APPARATUS - First and second developing members are moved to a developing position from a retracted position respectively in the order of a first developing member and a second developing member, and image forming is started by adhering toner to a first photosensitive member and a second photosensitive member in this order, and a period in which the first developing member moves from the retracted position to the developing position is shorter than a period in which the second developing member moves from the retracted position to the developing position. | 06-19-2014 |
Patent application number | Description | Published |
20080309355 | VOLTAGE CLAMP CIRCUIT AND SEMICONDUCTOR DEVICE, OVERCURRENT PROTECTION CIRCUIT, VOLTAGE MEASUREMENT PROBE, VOLTAGE MEASUREMENT DEVICE AND SEMICONDUCTOR EVALUATION DEVICE RESPECTIVELY USING THE SAME - In a voltage clamp circuit, a normally-on type field-effect transistor having a negative threshold voltage has a drain connected to an input node, a source connected to an output node and grounded via a resistance element, and a gate supplied with an output voltage of a variable direct-current power supply. When a voltage at the output node becomes higher than a clamping voltage because of voltage drop of the resistance element, the field-effect transistor is tuned off. Accordingly, the output voltage is limited to be at most the clamping voltage. Thus, a response speed is higher than those of conventional voltage clamp circuits using diodes or the like. | 12-18-2008 |
20090079491 | SWITCHING CIRCUIT HAVING LOW THRESHOLD VOLTAGE - A switching circuit for preventing malfunction of a switching device formed of a wide band-gap semiconductor used for switching a high-power main power supply includes a normally-off type FET having a gate electrode, a source electrode connected to the ground, and a drain electrode connected to a power supply potential Vdd, and a normally-on type FET having drain and source electrodes connected to the gate and source electrodes of the FET, respectively, and a gate electrode. In the absence of any power supply, the normally-on type FET turns on. As a result, the gate/source potential of FET attains to 0V, and FET is kept off. | 03-26-2009 |
Patent application number | Description | Published |
20120292635 | COMPOSITE SEMICONDUCTOR DEVICE - This composite semiconductor device has a normally-on first field effect transistor and a normally-off second field effect transistor connected in series between first and second terminals, gates of the first and second field effect transistors being connected to second and third terminals, respectively, and N diodes being connected in series in a forward direction between a drain and a source of the second field effect transistor. Therefore, a drain-source voltage (Vds) of the second field effect transistor can be restricted to a voltage not higher than a withstand voltage of the second field effect transistor. | 11-22-2012 |
20140361784 | GROUND FAULT DETECTION APPARATUS - A ground fault detection apparatus is an apparatus detecting a ground fault in an ungrounded AC circuit in which a single-phase three-wire AC power source is connected to a load via a U phase wire, a neutral wire, and a V phase wire, including two resistive elements having an identical resistance value, one terminals of the two resistive elements being connected to the U phase wire and the neutral wire, respectively, the other terminals thereof being connected to each other. The ground fault detection apparatus further includes a current detector detecting a value of a current flowing between the other terminals of the two resistive elements (i.e., a node N | 12-11-2014 |
20150073616 | POWER SUPPLY DEVICE, POWER SUPPLY SYSTEM, AND ELECTRONIC DEVICE - A power supply device performs grid connected operation and autonomous operation. The grid connected operation is operation in which power is supplied from an AC power network and a DC power source to a load. The autonomous operation is operation in which the power supply device is disconnected from the AC power network and power is supplied from the DC power source to the load. The power supply device includes a power inverter configured to receive a DC power supplied from the DC power source and output an AC power, an operation mode switching unit configured to switch between grid connected operation and autonomous operation, and an output information control unit configured to control output information about the AC power output from the power inverter. | 03-12-2015 |
20150210167 | CONNECTION SYSTEM - A connection system forms an electric path through which power transmission is performed between an electric vehicle and a power conditioner system. The electric vehicle includes a relay circuit that opens the electric path if a voltage equal to or above a predetermined value is applied between voltage output terminals. The connection system includes a fuse that blows in response to a current input thereto equal to or above a predetermined value and a resistor connected in parallel with the fuse. | 07-30-2015 |