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| Number | Title | Issue Date |
| 8187133 | Fatigue resistant transverse lubrication passage for transmission shafts A lubrication system for transporting lubrication oil in an automatic transmission includes a radial lubrication passage opening at a hole in an outer peripheral surface of a shaft. The hole has a cross section that is elongated only along a first axis offset from a... | 05/29/2012 |
| 8182390 | Method for controlling neutral modes in a multi-mode hybrid transmission A method of clutch control includes engaging a first holding clutch to place the transmission in a first neutral mode and predicting a first EVT mode. The method begins tracking a first output clutch and predicts a second EVT mode. Tracking the first output clutch e... | 05/22/2012 |
| 8182394 | Speed change controller of working vehicle Provided is a device for performing speed change not leading to engine stall in a working vehicle such as a wheel loader while sustaining a required tractive force and reducing fuel consumption. When a speed (“forward”, “second speed”) suitable for a work is... | 05/22/2012 |
| 8182396 | Method and system for delaying shift and throttle commands based on engine speed in a marine vessel A method for delaying shift and throttle commands based on engine speed comprises establishing a predetermined threshold engine speed. Shift and throttle commands are calculated based on the position of a control lever which allows an operator to manually control sh... | 05/22/2012 |
| 8182392 | Method for operating a drive train A method for operating a drive train of a motor vehicle. The drive train comprising a hybrid drive with an internal combustion engine and an electric motor, a transmission arranged between the hybrid drive and a drive output, and a clutch arranged between the intern... | 05/22/2012 |
| 8177675 | Multi-speed transmission A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The tor... | 05/15/2012 |
| 8171824 | Vehicular power transmission control apparatus An apparatus comprises a changeover mechanism which is able to change a connection state to any one of three states, i.e., “an IN-Connection State” in which a power transmission path is provided between a transmission input shaft and the electric motor output sh... | 05/08/2012 |
| 8172718 | Planetary gear unit and method for producing a planetary gear unit A planetary gear unit (1) having two guide discs (2, 3) that are arranged parallel to one another and include perforations for accommodating pins (4) which have journals (5, 6) and shoulders arranged on the end sides. The shoulders have c... | 05/08/2012 |
| 8167765 | Multi-speed transmission A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transm... | 05/01/2012 |
| 8167775 | Method for clutch protection Method for protecting a clutch of a vehicle, said vehicle being provided with an engine, drive wheels and an automated manual transmission for transmitting drive power from said engine to said drive wheels. A controller can execute the steps of: sensing a power dema... | 05/01/2012 |
| 8162797 | Methods and systems for heating transmission fluid Systems and methods are provided for heating transmission fluid in a vehicle, the vehicle comprising an engine and a transmission, the engine including a heat exchanger. One example method comprises, during a first engine running condition, operating an auxiliary tr... | 04/24/2012 |
| 8162798 | Method and device for controlling an automatic transmission The invention relates to a method for controlling an automatic transmission having a torque converter, with the transmission having three gear sets and with the first gear set which has a first brake clutch and a second brake clutch being braked relative to the hous... | 04/24/2012 |
| 8152692 | Controller for vehicle power transmission apparatus A discharge capacity reduction device that, while neutral control is performed, reduces the discharge capacity of an oil pump that is driven by the engine is provided, so that the load applied to the oil pump is reduced. Thus, the load applied to the engine is reduc... | 04/10/2012 |
| 8152679 | Rotary units, rotary mechanisms, and related applications The invention relates to rotary units and rotary mechanisms that are suitable for use in numerous applications. Rotary units typically include rotational components that are configured to rotate. In some embodiments, for example, multiple rotary units are assembled ... | 04/10/2012 |
| 8151662 | Electric dual input clutch transmission A dual transmission includes a first input shaft, a second input shaft, a first input clutch adapted to drivingly couple a power source to the first input shaft and a second input clutch adapted to drivingly couple the power source to the second input shaft. First, ... | 04/10/2012 |
| 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 |
| 8147379 | Shift control device of automatic transmission A control device, in which a shift-up control is automatically executed when an engine's over revolution with a turbine speed for a shift gear set by a manual shift mode exceeding a preset limit speed A is executed, is configured such that a controller detects an en... | 04/03/2012 |
| 8147368 | Seat adjustment device for a vehicle seat A seat adjustment device for a vehicle seat includes a driving motor that is in engagement with a driving part of a self-locking free wheel. An output part of the free wheel is connected to a gearing. To obtain a compact structure, the driving motor, the free wheel ... | 04/03/2012 |
| 8147373 | Control of a dry, dual-clutch transmission during an engine restart of a hybrid electric vehicle A method for controlling an engine restart in a hybrid electric powertrain, including the steps of stopping the engine, using an electric power source and an electro-mechanical actuator connected to the source to engage a gear and stroke to zero torque capacity a dr... | 04/03/2012 |
| 8147374 | Method of controlling hybrid vehicle A method of controlling a hybrid vehicle including an automatic transmission and a motor generator comprises a pre-gearshift control, a mid-gearshift control, and a post-gearshift control. It is possible to prevent abnormal operations and damage of an automatic tran... | 04/03/2012 |
| 8142324 | Transmission having at least eight speeds A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The tor... | 03/27/2012 |
| 8142329 | Controlling torque in a flywheel powertrain A method for controlling a powertrain for an automotive vehicle includes determining a desired flywheel torque, determining, with reference to the desired flywheel torque, a desired torque capacity torque of a clutch through which torque is transmitted between the f... | 03/27/2012 |
| 8142331 | Vehicle engine shutdown prevention system A vehicle engine shutdown prevention system with a position determination module and a blocking unit. The module is adapted to be connected to the transmission for determining if it is engaged in a position included in a first or a second group of positions, the sec... | 03/27/2012 |
| 8142321 | Control drive with electric motor and planetary gear mechanism A control drive, consisting of an electric motor and a planetary gear mechanism flush with the electric motor on the same axis of symmetry, comprising a ring gear, a planet carrier and three planet gears mounted on the planet carrier, the planet gears each having a ... | 03/27/2012 |
| 8137239 | Transmission temperature sensing and control As one example approach, temperature indications from transmission actuators are used to control the actuators and transmission shifting. For example, temperature differences among the different actuators can be used to provide improved relative timing and actuation... | 03/20/2012 |
| 8133148 | Multi-speed transmission having four planetary gear sets A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transm... | 03/13/2012 |
| 8133152 | Control device for power transmission device for vehicles A power transmission device for a vehicle having a clutch 3 between an engine 1 and a transmission 4, preventing variation in the engine torque and shift shock when the engine control mode returns from an engine control at the time of shifting b... | 03/13/2012 |
| 8133154 | Control system and method for accelerator pedal based shift point stabilization for an automatic transmission A control system for determining a desired gear ratio of an automatic transmission includes a pedal rate module that determines a pedal rate of an accelerator pedal, and a shift module that determines the desired gear ratio of the transmission based on a position of... | 03/13/2012 |
| 8133155 | Multi-ratio rotorcraft drive system and a method of changing gear ratios thereof A multi-ratio rotorcraft drive system and a method of changing gear ratios thereof are disclosed. According to one embodiment, the multi-ratio rotorcraft drive system comprises a rotor system comprising one or more rotors and one or more engines. Each engine of the ... | 03/13/2012 |
| 8133145 | Transmission In a transmission including a multiple planetary mechanism into which power from a driving source is inputted through an input shaft, clutches are provided respectively for three components among a plurality of components included in the multiple planetary mechanism... | 03/13/2012 |
| 8127635 | Twin clutch transmission A twin clutch transmission for reducing the frequency of hit noise occurring in a dog clutch when shifting from neutral to a first speed. The twin clutch transmission includes a plurality of pairs of gears according to the number of speed stages between dual-structu... | 03/06/2012 |
| 8128527 | Multi-speed transmission A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The tor... | 03/06/2012 |
| 8123647 | Dual clutch multi-speed transaxle A transaxle transfers torque to first and second axle shafts. The transaxle includes a main shaft, a planetary gearset, a first clutch transferring torque between the main shaft and a first member of the planetary gearset and a second clutch transferring torque betw... | 02/28/2012 |
| 8113979 | Four pinion differential with cross pin retention unit and related method A differential having four pinions supported for rotation on cross pins within a differential case. The differential employs a retainer system for securing the cross pins relative to the differential case. The retainer system can include a collar and a plurality of ... | 02/14/2012 |
| 8113982 | Eight speed planetary kinematic arrangement A multiple speed power transmission comprising: four epicylic gearing assemblies each having first, second, and third rotating elements with specified interconnections, an input shaft, an output shaft, three clutches, and two brakes. Clutches and brakes are applied ... | 02/14/2012 |
| 8109167 | Gear box for a motor vehicle A gearbox is provided for a motor vehicle that includes, but is not limited to at least a first input shaft and at least a first output shaft. The first input and output shafts carrying at least a first drive gearwheel and a first driven gearwheel, respectively, for... | 02/07/2012 |
| 8104366 | Double-clutch transmission for vehicles A double-clutch transmission is provided that includes, but is not limited to an inner input shaft inside an outer input shaft. Two clutch discs are connected to the inner input shaft and the outer input shaft, respectively. A first layshaft and a second layshaft ar... | 01/31/2012 |
| 8100804 | Hydraulic control system and method for automatic transmission for a vehicle A hydraulic control system for an automatic transmission, which includes a brake, used to establish a first gear step and a reverse gear step. The hydraulic control system includes a first solenoid valve, a second solenoid valve and a control valve, which is switche... | 01/24/2012 |
| 8100034 | Group transmission for a motor vehicle In a group transmission having a number of countershafts, wherein three input constants are provided on a transmission input shaft for driving a countershaft such that the group transmission is of very short construction, the transmission input shaft is connectable ... | 01/24/2012 |
| 8100807 | Reduction gear transmission and solar tracking photovoltaic power generation unit utilizing the same A first reduction gear unit has a first input shaft that rotates in accordance with the rotation of an output shaft of a motor, a first external gear that revolves orbitally around an axis line of the first input shaft, and a first internal gear that has a number of... | 01/24/2012 |
