| Patent Number |
Title Of Patent |
Date Issued |
| 7621359 |
Hybrid drive apparatus |
November 24, 2009 |
| An output shaft is divided into a first output shaft and a second output shaft. Torque from a motive power distributing planetary gear is transferred to the first output shaft. The first output shaft is supported on partition walls by a both-end support structure via bearings. Assist |
| 7614466 |
Hybrid drive system |
November 10, 2009 |
| A front end portion of an output shaft is supported by a bearing mounted to an inner peripheral surface of a partition that separates a power distributing planetary gear and a speed change unit. A rear end portion of the output shaft is supported via a bearing which is interposed along |
| 7470205 |
Vehicular drive apparatus |
December 30, 2008 |
| A vehicular drive apparatus includes a case, a first brake having a first friction plate set and a second brake having a second friction plate set wherein the first friction plate set and the second friction plate set are sequentially arranged on a single axis, and a first hydraulic serv |
| 7377870 |
Planetary gear lubrication unit |
May 27, 2008 |
| A planetary gear lubrication unit includes a planetary gear unit having a sun gear and a carrier that has a plurality of pinion shafts, wherein each of the plurality of pinion shafts rotatably supports a pinion, a plurality of side plates that support the plurality of pinion shafts, and |
| 7350603 |
Hybrid drive unit and vehicle mounted therewith |
April 1, 2008 |
| A hybrid drive unit includes a hybrid mechanism having at least one electric motor and a transfer that distributes driving force to front and rear wheels. The electric motor and the transfer are housed in a tubular shaped transmission case that extends in the front and rear directions of |
| 7255186 |
Hybrid drive system and vehicle equipped therewith |
August 14, 2007 |
| An output of an internal combustion engine is transmitted to an output shaft by controlling a control motor to change a rotation speed output from the engine without speed steps via power distribution planetary gear. An output of a drive motor is input to the output shaft by changing |
| 7228926 |
Apparatus for controlling hybrid vehicle |
June 12, 2007 |
| A control unit for a vehicle including a controller that determines whether shifting of a stepped transmission is necessary, and increases output torque of a first drive unit and decreases output torque of a second drive unit in correspondence with an increase of the output torque of |
| 7227332 |
Driving control device and method for electric vehicle and program therefor |
June 5, 2007 |
| A driving control device for an electric vehicle includes an electric machine which is driven by a current supplied from a battery, a transmission which is coupled with the electric machine and performs shifting at a predetermined gear ratio, a charging state detecting portion which |
| 7201690 |
Drive unit for vehicle |
April 10, 2007 |
| A drive unit for a vehicle structured so as to be able to attain an interrupting state of inertia of a drive motor under a predetermined condition. Therefore, the drive unit for a vehicle has a drive motor able to transmit driving force to a drive wheel, and an operation lever for se |
| 7174978 |
Hybrid drive unit, and front-engine/rear-drive type automobile having the hybrid drive unit moun |
February 13, 2007 |
| A hybrid drive unit including a first motor, a first planetary gear and a second motor, wherein the first planetary gear distributes and transmits a drive force transmitted from an input shaft to the first motor and an output shaft, a power output from the output shaft and the second mot |
| 7128676 |
Failsafe hydraulic circuit |
October 31, 2006 |
| A failsafe hydraulic circuit designed to avoid simultaneous engagement of two friction engagement elements (e.g., clutches, brakes, etc.) incorporated in a speed change apparatus of a motor vehicle or the like. If a first failsafe valve is in the open position state and a first engag |
| 7056260 |
Drive unit for vehicle |
June 6, 2006 |
| The drive unit for a vehicle has an engine driving control element for driving a first motor on the basis of an engine driving signal, and driving a second motor so as to restrain a reaction force in a power distributing planetary gear due to the driving of the first motor in a state |
| 7017693 |
Drive device for hybrid vehicle |
March 28, 2006 |
| A hybrid vehicle drive system is designed to have dimensions that are shorter in an axial direction and improved centering accuracy of a rotor, in order to prevent deterioration of motor performance. A rotor support plate (15) has a flat-plate shaped disk portion (15b), and is fixed to a |
| 6935450 |
Hybrid vehicle driving device |
August 30, 2005 |
| A motor/generator is arranged radially outward of a middle portion of a front cover of a torque converter so that at least a part of the motor/generator axially overlaps the torque converter, with a predetermined gap (C) between the front cover and the rotor of the motor/generator. T |
| 6932176 |
Control system for hybrid vehicle |
August 23, 2005 |
| A control system for a hybrid vehicle that is capable of absorbing an inertial force which is generated during shifting of a stepped transmission. During shift control of the stepped transmission by a shift control device and before the shift control is completed, a during-shift driv |
| 6799109 |
Vehicle control apparatus |
September 28, 2004 |
| A vehicle control apparatus including an engine, an automatic transmission, a hydraulic servo, a mechanical oil pump, an electric oil pump and a controller that controls driving of the electric oil pump and generates a standby pressure supplied to the hydraulic servo based upon a driving |
| 6777837 |
Hybrid-vehicle drive unit |
August 17, 2004 |
| A hybrid-vehicle drive unit supports a motor-generator with high precision, improving the efficiency of the motor-generator, and reducing the size of the motor-generator, independent of any influence of centering precision of the crank shaft and of deformation of the torque converter. Ac |
| 6769502 |
Oil pump drive control apparatus |
August 3, 2004 |
| The clutch oil pressure (P.sub.C1) supplied to a hydraulic controller of an automatic transmission is detected. If it is detected that the clutch oil pressure (P.sub.C1) is less than or equal to a first threshold value P.sub.A when a first oil pump cooperative with a drive power source i |
| 6692402 |
Drive control apparatus for oil pump |
February 17, 2004 |
| The present invention provides a drive control apparatus for driving an electric oil pump by supplying it with a predetermined operating voltage so as to decrease a load on the electric oil pump. The drive control apparatus detects a clutch hydraulic pressure supplied to the hydraulic |
| 6647326 |
Driving control device of vehicle |
November 11, 2003 |
| A driving control device of a vehicle including an automatic transmission with a hydraulic control device which hydraulically controls an engagement of the frictional engagement element, a mechanical oil pump which is driven by the engine and supplies hydraulic pressure to the hydraulic |
| 6628021 |
Hybrid vehicle driving apparatus electrical motor having magnetic flux leakage shielded position |
September 30, 2003 |
| A motor 12 includes a cylindrical rotor 20, a stator 19 arranged at a predetermined distance from an outer periphery of the rotor 20, and a position sensor 23 for detecting a rotational position of the rotor 20, wherein the stator 19 includes a stator core 19a and a plurality of stator |
| 6595895 |
Control apparatus of hybrid vehicle |
July 22, 2003 |
| If a torque reduction request is outputted during a speed shift, the amount of motor torque reduction achieved by a motor-generator, of a requested amount of torque reduction, is set to a greatest-possible amount, and the amount of engine torque reduction achieved by an engine is set to |
| 6556910 |
Control apparatus and method for vehicle having an idle stop function |
April 29, 2003 |
| A control apparatus for a vehicle which executes an automatic stop control of an engine on the basis of a stop condition, and executes a restart control of the engine on the basis of a start condition. The vehicle includes an engagement element which freely interrupts and establishes |
| 6524216 |
Control apparatus of hybrid vehicle |
February 25, 2003 |
| When a driver depresses an accelerator pedal to request a shift such as a downshift or the like, a maximum shift target changing rate (shift speed) of a CVT having a belt-type continuously variable shift apparatus is set based on the shift inertia of the CVT and the like. An assist torqu |
| 6510370 |
Control system for hybrid vehicles |
January 21, 2003 |
| A control system for a hybrid vehicle, by which the starting movement of the vehicle by the motor is like that of the prior art gasoline engine vehicles.The hybrid vehicle includes an internal combustion engine 2 and a motor connected to the engine. The control system comprises: engine t |
| 6478101 |
Drive unit for hybrid vehicle |
November 12, 2002 |
| To reduce the axial dimension and size of a drive train for a hybrid vehicle, a rotor is supported within a recess formed in the end face of the a crankshaft and is further supported by the front cover of the torque converter. As a result, compared with drive trains which have a fixed |
| 6258001 |
Vehicle drive train |
July 10, 2001 |
| The present invention improves mountability of a drive train in a hybrid vehicle by minimizing axial and radial dimensions while providing for adequate output torque of the motor/generator of the drive train. A center portion of a front cover of a torque converter extends axially and a |
| 5990591 |
Permanent magnet type synchronous motor |
November 23, 1999 |
| A permanent magnet type synchronous motor includes an iron core rotor having a plurality of holes which are circumferentially spaced, permanent magnets mounted in the holes, an iron core stator and coils arranged in the stator iron core. The permanent magnets are defined by a flat surfac |
| 5396968 |
Drive mechanism for electric car |
March 14, 1995 |
| A drive mechanism for an electric car which has a plurality of motors arranged in a drive mechanism case which, in turn rotatably supports a shaft at two points. This shaft transmits the rotation generated by the motors to drive shafts for rotation of the wheels to run the car. The m |
| 5372213 |
Oil circulating system for electric vehicle |
December 13, 1994 |
| An electric vehicle includes a drive motor for generating a output drive torque, a torque transmission train for transmitting the output torque to the drive wheels of the electric vehicle and an oil circulating circuit for feeding oil to the drive motor and the torque transmission train. |
| 5201673 |
Wiring connection structure for a vehicle motor |
April 13, 1993 |
| A wiring connection structure for a vehicle electric motor includes a plug member attached to a casing of the motor, and a socket member which is inserted into a support member fixed to the casing and is fitted into the plug member. The plug member includes a plug connected to internal w |
| 5156579 |
Lubricating device for a vehicle motor |
October 20, 1992 |
| A wheel motor is provided with a stator which includes a coil wound therearound and which is fixed to a casing, a hollow cylindrical rotor which is supported by the casing through a bearing and is disposed inside the stator, an output flange which is supported by the casing through a |
| 5154437 |
Vehicle steering system with independent steering for each wheel |
October 13, 1992 |
| In a steering mechanism wherein the turning angle of a steering wheel is transmitted to a wheel via a link mechanism employing a tire rod (3) and a knuckle arm (4), the link mechanism and the wheel (1) are coupled by a multiplying gear (2). Individual drive mechanisms are mounted ind |
| 5127485 |
Electric motorized wheel with integral motorized cooling oil pump |
July 7, 1992 |
| An electric motor equipped with a cooling apparatus in which an oil reservoir (2b) filled with a cooling oil is provided in the lower portion of a casing (1). Provided in the casing is at least a portion of an oil passageway (2f, 4c, 28) which communicates with the oil reservoir (2b) and |
| 5111090 |
Cooling device of a motor for vehicle |
May 5, 1992 |
| An oil-cooled electric motor for a vehicle including a rotational shaft rotatably supported by a casing, a rotor fixed to the rotational shaft, a stator disposed around the outer circumference of the rotor and fixed to the casing, a coil wound around the stator, and oil receiver and an o |
| 5111089 |
Cooling device for a vehicle motor |
May 5, 1992 |
| A cooling device for a vehicle motor comprises a rotation shaft rotatably supported by a casing assembly, a rotor fixed to the rotation shaft, a stator disposed around the rotor and fixed to the casing assembly, a coil wound around the stator, an oil pump motor disposed at a lower portio |
