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| Number | Title | Issue Date |
| 8187130 | Multi-speed transmission with integrated electric motor A multiple speed transmission for a motor vehicle includes an input member, an output member, four planetary gear assemblies, each with first, second, and third members, a plurality of torque transmitting devices, an electric motor, and a switching device that selec... | 05/29/2012 |
| 8177671 | Control system for hybrid drive unit To provide a control system capable of setting a various kinds of driving mode, and shifting the driving mode regardless of the rotational speed of the engine. The control system comprises: a power distribution mechanism having three rotary elements rotating ... | 05/15/2012 |
| 8167752 | Hybrid transmission for hybrid vehicles A hybrid transmission described herein comprises a planetary gear arrangement and a clutch including two electromagnetic clutch portions used to interconnect an internal combustion engine, an electric traction motor, an electric motor/generator and driving wheels of... | 05/01/2012 |
| 8167754 | Three-mode hybrid powertrain with two motor/generators A hybrid electro-mechanical transmission connectable with multiple power sources for launching and propelling a vehicle includes an output member and a stationary member. The transmission also includes a first planetary gear set having a first, a second, and a third... | 05/01/2012 |
| 8167753 | 8-speed hybrid transmission The hybrid transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The hybrid transmission includes a motor/generator, three planetary gear sets, five torque-transmitting devices,... | 05/01/2012 |
| 8162084 | Hybrid drive device A hybrid drive device includes an input member connected to an engine; an output member connected to a wheel; a first rotating electrical machine; a second rotating electrical machine connected to the output member; and a differential gear device including at least ... | 04/24/2012 |
| 8157686 | Power transmission device for a motor vehicle which is equipped with a free wheel mechanism that drives an oil pump The invention relates to a device (1) for the transmission of power between a shaft (2) of a heat engine (3) and a wheel (5) axle shaft (4) of a motor vehicle. The inventive device (1) comprises at least one electrical machi... | 04/17/2012 |
| 8157687 | Transmission system A sun gear of a first planetary gear train is connected to an input shaft. A carrier 9 of the first planetary gear train is connected to a sun gear of a second planetary gear train and to a first pump/motor. A ring gear of the first planetary gear train is co... | 04/17/2012 |
| 8152671 | Single clutch, two planetary hybrid architecture A hybrid powertrain for a vehicle includes a prime mover, which may be an engine, and a transmission that has an input member configured for connection with the prime mover to receive torque from the prime mover, an output member, and a stationary member. A first mo... | 04/10/2012 |
| 8152667 | Control device for vehicular drive system A control device for a vehicular drive system is disclosed as including reverse drive for suppression means operative to preclude output member, such as an output shaft and drive wheels, of an automatic transmission portion from inputting a reverse drive force to a ... | 04/10/2012 |
| 8152668 | Electric variable transmission for hybrid electric vehicles with two forward modes and four fixed gears The present disclosure provides a power split transmission with two Electric Variable Transmission (EVT) modes and four fixed gears for use in hybrid electrical vehicles (HEV). The present disclosure utilizes two electric motors (“E-motors”), an engine, three pl... | 04/10/2012 |
| 8152669 | Clutch arrangements for an electrically-variable transmission Various embodiments of electrically-variable transmissions are provided that have a first and a second motor-generator, a first and a second planetary gear set, and two torque-transmitting mechanisms, including a rotating-type clutch and a stationary-type clutch. An... | 04/10/2012 |
| 8152670 | Hybrid vehicle power transmission device and hybrid vehicle A hybrid vehicle power transmission device provided with a power distribution mechanism composed of a planetary gear device for distributing motive power of a drive source to a motor and an output shaft is further provided with a damper device in a power transmissio... | 04/10/2012 |
| 8147366 | Power output apparatus and vehicle The hybrid vehicle includes the engine capable of outputting power to the drive gear; the motors MG1 and MG2; the CVT; the planetary gear mechanism having the sun gear connected to the secondary shaft of the CVT, the ring gear capable of rotating in th... | 04/03/2012 |
| 8147367 | Power train for hybrid vehicle The present invention can achieve hybrid modes with an input split mode, output split mode, and complex split mode, by using only one set of stepped pinion planetary gear sets, one set of single pinion planetary gear sets, three clutches, and two brakes, ensure the ... | 04/03/2012 |
| 8142318 | Apparatus, system, and method for a variable ratio transmission An apparatus, system, and method are disclosed to adjust input to output ratios with a planetary gear system. The apparatus comprises a sun gear that receives rotational force from a first input. A plurality of planet gears encircle the sun gear and operably connect... | 03/27/2012 |
| 8142317 | Power transmission apparatus of hybrid vehicle A drive unit includes an input shaft connected to an engine, a power conversion unit including rotating electric machines and planetary gears to convert power applied from the input shaft, and gears as the power output unit transmitting power output from the power c... | 03/27/2012 |
| 8137227 | Power transmitting apparatus of hybrid vehicles A power transmitting apparatus of hybrid vehicles that transmits torque from an engine and first and second motor/generators to an output shaft is provided. The apparatus may include: a first planetary gear set having a first operating member fixedly connected to th... | 03/20/2012 |
| 8137228 | Transmission system A sun gear of a first planetary gear train is connected to an input shaft. A carrier 9 of the first planetary gear train is connected to a sun gear of a second planetary gear train and to a first pump/motor. A ring gear of the first planetary gear train is co... | 03/20/2012 |
| 8113976 | Power plant To provide a power plant which is capable of improving the driving efficiency and electric power-generating efficiency thereof. A first transmission 20 is connected between the output shaft 3a of an internal combustion engine 3 and driven... | 02/14/2012 |
| 8100799 | Method and system for controlling power inverters in electric drives of vehicles with two-mode transmissions Methods and systems for driving an automobile are provided. The system includes a prime mover power source and a two-mode, compound-split, electro-mechanical transmission, including first and second motors, coupled to the prime mover power source, a power inverter c... | 01/24/2012 |
| 8100800 | Integrated motor cooling/clutch backfill system for use in a hybrid transmission A fluid is supplied to a housing of a hybrid transmission. An overall system line pressure is elevated to induce leakage of the fluid through a control system. The leaked fluid is flowed through at least one backfill passage to the housing of the hybrid transmission... | 01/24/2012 |
| 8100801 | 8-speed hybrid transmission The hybrid transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The hybrid transmission includes a motor/generator, three planetary gear sets, five torque-transmitting devices,... | 01/24/2012 |
| 8096909 | Power train of hybrid vehicle A power train according to an embodiment of the invention includes three sets of planetary gear sets, one clutch, and two brakes, such that it provides two electric vehicle modes, two hybrid modes, and two engine modes of overdrive shift ratio. Further, the power tr... | 01/17/2012 |
| 8088030 | Electrically variable transmission with modular construction An electrically-variable transmission is provided with substantially identical motor modules to simplify assembly and realize economies of scale in purchasing and testing the motor modules. First and second motor modules are packaged within a transmission casing and... | 01/03/2012 |
| 8083625 | Driving force transmission device and image recording apparatus having the same A driving force transmission device is provided. The device includes: a first differential unit and a second differential unit. The first differential unit includes: first and second input shafts connected to a first motor and a second motor, respectively, and a fir... | 12/27/2011 |
| 8083626 | Highly configurable hybrid powertrain and control system therefor A hybrid powertrain system for a vehicle includes an engine and a transmission. The transmission includes a transmission input member, first and second electric machines, first and second planetary gear sets, and a plurality of selectively engageable torque transfer... | 12/27/2011 |
| 8075436 | Hybrid drive train of a motor vehicle A hybrid gear train of a motor vehicle that has an internal combustion engine with a drive shaft, an electric motor with a rotor that operate as a motor and a generator, a transmission with two input shafts and an output shaft, as well as a differential transmission... | 12/13/2011 |
| 8075435 | Dual mode input split compound split configuration EPPV transmission An improved dual mode EPPV transmission hybrid electric drive system uses a combination of power sources including an internal combustion engine, a first electric motor, and a second electric motor, and provides more efficient operation and compact installation. The... | 12/13/2011 |
| 8070635 | Electromotive drives A transmission having a plurality of tilting balls and opposing input and output discs provides an infinite number of speed combinations over its transmission ratio range. The transmission provides multiple powerpaths and can be combined with electrical components t... | 12/06/2011 |
| 8052562 | Transmission for coupling a starter-generator electrical machine to an internal combustion engine A transmission for coupling a starter-generator electrical machine to an internal combustion engine and having a transmission ratio that is a function of the rotational speed of the internal combustion engine. The ratio of the rotational speed of the electrical mach... | 11/08/2011 |
| 8043181 | Power unit A power unit capable of downsizing rotary motors and enhancing efficiency of the power unit. In first and second planetary gear units, a first ring gear, a first carrier, a second sun gear, a first sun gear, a second carrier, and a second ring gear, capable of trans... | 10/25/2011 |
| 8043182 | Hybrid powertrain A hybrid powertrain is provided that includes an engine operatively connected with an input member. The powertrain includes a transmission with first and second electric motor/generators, a differential gear set having multiple members, and selectively engageable to... | 10/25/2011 |
| 8033939 | Control apparatus of vehicle drive apparatus In one embodiment, when a switching clutch or a switching brake is engaged and thus a differential of a differential unit is limited, the gear ratio of a continuously variable transmission unit is adjusted. On the other hand, when the switching clutch and the switch... | 10/11/2011 |
| 8021256 | Electrically-variable transmission with compounded output gearing An electrically-variable transmission is provided with first and second motor/generators and three planetary gear assemblies. At least one of the planetary gear assemblies is a planetary gear assembly having multiple planetary gear sets. As a result, the gears for t... | 09/20/2011 |
| 8021257 | Hydraulic clutch control system A transmission includes two blocking valves that control fluid pressure to a plurality of clutches. The blocking valves are characterized by a plurality of states that result in at least three transmission operating conditions. Each of the three operating conditions... | 09/20/2011 |
| 7988579 | Vehicular drive system A vehicular drive system accommodated in a housing and including a first input shaft that receives a vehicle drive force generated by a vehicle drive power source, and a differential mechanism operable to distribute the vehicle drive force received from the first in... | 08/02/2011 |
| 7980980 | Hybrid powertrain A hybrid powertrain is provided that includes an engine operatively connected with an input member. The powertrain includes a transmission with first and second electric motor/generators, a differential gear set having multiple members, and selectively engagable tor... | 07/19/2011 |
| 7972236 | Transmission system A sun gear of a first planetary gear train is connected to an input shaft. A carrier 9 of the first planetary gear train is connected to a sun gear of a second planetary gear train and to a first pump/motor. A ring gear of the first planetary gear train is co... | 07/05/2011 |
| 7972235 | Hybrid powertrain system having selectively connectable engine, motor/generator, and transmission A hybrid powertrain having an engine, multi-speed transmission connected to a final drive and not continuously connected to the engine, a single motor/generator connected to an energy storage device and a controller and not continuously connected to the engine or tr... | 07/05/2011 |
