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Hiroshi Kawamura
Hiroshi Kawamura, Okazaki-Shi JP
| 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 |
Hiroshi Kawamura, Tokyo JP
| Patent application number | Description | Published |
|---|---|---|
| 20100297786 | Method for Manufacturing Compound Semiconductor and Apparatus for Manufacturing the Same - The present invention provides a method for manufacturing a compound semiconductor, which can improve a quality of each of thin film layers constituting a laminate structure. | 11-25-2010 |
Hiroshi Kawamura, Shizuoka JP
| 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 |
Hiroshi Kawamura, Ushiku-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20100130921 | NIPPLE COVERING MEMBER AND BREAST PUMP - A nipple coating member and a milking device for gathering mother's milk effectively. The pad of a milking device comprises a tubular frame having a large diameter side opening for inserting the nipple formed on one end side and a small diameter side opening formed on the other end side, a first flexible portion provided at a part in the circumferential direction between the large diameter side opening and the small diameter side opening of the tubular frame, and a second flexible portion provided at a position opposing the first flexible portion independently thereof. The first flexible portion can be deformed inward of the tubular frame by a pressing force from the outside of the pad, and the second flexible portion can be deformed outward of the tubular frame by a pressing force from the inside of the pad. | 05-27-2010 |
Hiroshi Kawamura, Suntou-Gun JP
| 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 |
Hiroshi Kawamura, Glendale, AZ US
| Patent application number | Description | Published |
|---|---|---|
| 20090133404 | SYSTEMS AND METHODS FOR COOLING GAS TURBINE ENGINE TRANSITION LINERS - A gas turbine engine assembly includes a combustor configured to combust an air-fuel mixture to produce combustion gases in a first direction; a transition liner coupled to the combustor and adapted to receive the combustion gases from the combustor and to redirect the combustion gases in a second direction; and a turbine coupled to the transition liner and adapted to receive the combustion gases from the transition liner. The transition liner has a plurality of effusion holes that include a first group that extend at least partially in a tangential direction. | 05-28-2009 |
Hiroshi Kawamura, Kashihara-Shi JP
| 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 |
Hiroshi Kawamura, Kyoto-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20120133329 | BATTERY SYSTEM - A battery system is provided that can prevent overcharging during charging, and that can demonstrate appropriate charging performance and output performance of a secondary battery even when the battery system is used in a low-temperature environment. The battery system includes a secondary battery and a protection circuit. The protection circuit includes a bypass electrical path that connects an upstream-side main electrical path that is connected to a positive terminal of the secondary battery to a downstream-side main electrical path that is connected to a negative terminal of the secondary battery. The battery system is configured so that, when the voltage of the secondary battery exceeds a predetermined voltage during charging, current flowing through the secondary battery decreases while current flowing through the bypass electrical path increases, and when the voltage of the secondary battery falls below the predetermined voltage during charging, the current flowing through the secondary battery increases while the current flowing through the bypass electrical path decreases. The bypass electrical path includes a heater that generates heat using the current flowing through the bypass electrical path, and the heater is arranged adjacent to or in close contact with the secondary battery so as to impart a thermal effect to the secondary battery. | 05-31-2012 |