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Class 903/910 - Orbital (e.g., planetary gears) (EPO/JPO)


Subclass of Class 903 - Hybrid electric vehicles (hevs)
Definition: Subject matter under cross-reference art collection 902
No. of patents: 30
Last issue date: 03/16/2010


NumberTitleIssue Date
7677340Hybrid-type forklift
When an engine is operated, a power dividing mechanism divides power of the engine to output the power to a motor for running operation and a motor for a cargo handling operation, respectively. Each of loads is driven via a rotational shaft of a corresponding one of...
03/16/2010
7581606Vehicular control device
An ECU executes a program including the steps of: if an accelerator pedal position P is larger than a predetermined accelerator pedal position, calculating an output that an MG(2) is required to provide; calculating an output that a capacitor and a battery ca...
09/01/2009
7426972Control device for vehicular drive system
A control device for a vehicular drive system including (a) a differential mechanism operable to distribute an output of an engine (8) to a first electric motor and a power transmitting member, (b) a second electric motor disposed in a power transmitting path...
09/23/2008
7416501Single range electrically variable transmission with lockup clutch and method of operation
A single range, electrically variable transmission (EVT) is provided with a lockup clutch that reduces motor power requirements. When applied, the lockup clutch allows engine torque to be transmitted directly to the output without the necessity of a motor/generator ...
08/26/2008
7398845Controller and control method for a hybrid electric vehicle powertrain
A parallel hybrid electric vehicle powertrain and control method wherein an internal combustion engine and an electric motor system define a split power operating mode, a generator drive mode and a parallel power mode. Provision is made, when the motor is inoperable...
07/15/2008
7246672Hybrid-vehicle power train
A hybrid-vehicle power train connected to an engine comprises a motor, a CVT unit, a planetary gear unit having at least two input elements, namely, first and second input elements and an output element, a first clutch for engaging/disengaging the first input elemen...
07/24/2007
7166049Vehicle drive and a control method for a vehicle drive
A drive and a method to control the drive of an agricultural vehicle, especially of a tractor, is described. The drive includes a combustion engine (M) and an infinitely variable electro-mechanical torque split gear. To avoid dissipation of reactive power the...
01/23/2007
7114585Power train for use in motor vehicles and the like
A power train for a motor vehicle includes a combustion engine, a clutch or other torque-coupling device, a transmission, and an electro-mechanical energy converter that is operable at least as a motor and as a generator. The electro-mechanical energy converter is c...
10/03/2006
7097586Shift control apparatus and method for hybrid transmission applicable to hybrid vehicle
In shift control apparatus and method for a hybrid transmission suitable for use in a hybrid vehicle, at least one of a target drive torque and a target input revolution acceleration to be a value within a realizable region to be set as a drive torque command value ...
08/29/2006
6702715Power transmission
A power transmission comprises an engine E with a plurality of cylinders, a belt-type continuously variable transmission CVT, which changes the rotational speed being transmitted from the engine, a control valve CV, which variably sets the line pressure u...
03/09/2004
6702709Drivetrain for hybrid motor vehicle
A hybrid transmission includes a multi-speed planetary gearbox, an automated shift system, and an electric motor/generator. The electric motor is operably controlled to drive the gearbox to establish an electric drive mode. The electric mode is further op...
03/09/2004
6695736Hybrid drive apparatus with independent output distribution
A hybrid four-axis drive apparatus has an engine and a generator on a first axis, a motor on a second axis, a counter gear mechanism on a third axis, and a differential device on a fourth axis. The engine and the generator are connected to the countershaf...
02/24/2004
6692394Hybrid driving device
A hybrid driving device including an engine shaft, a motor shaft, and a countershaft. A parking gear, which has been conventionally placed on the countershaft, is placed on the engine shaft to reduce torque loads applied to parts associated with a parking...
02/17/2004
6679799On-demand two-speed transfer case for four-wheel drive hybrid vehicle
A hybrid transfer case includes a mainshaft, front and rear output shafts, an electric motor/generator connected to the mainshaft, and an input clutch for selectively coupling the transmission to the mainshaft. The transfer case further includes a planeta...
01/20/2004
6672415Moving object with fuel cells incorporated therein and method of controlling the same
In a hybrid vehicle with fuel cells and an engine mounted thereon as energy output sources, a technique is employed that adequately changes a working energy output source according to a driving state of the hybrid vehicle. The hybrid vehicle has the engin...
01/06/2004
6666787Electromechanical transmission
An electromechanical transmission for use with a motor vehicle having an internal combustion engine includes a planetary gear assembly, an electric drive, a changeover gear assembly, and a driven shaft. A planetary gear assembly includes an input shaft an...
12/23/2003
6655485Hybrid drive system wherein clutch in engaged when engine speed has exceeded motor speed upon switching from motor drive mode to engine drive mode
A hybrid vehicle drive system including (a) an engine, (b) an electric motor, (c) a planetary gear device having a first rotary element connected to the engine, a second rotary element connected to the electric motor and connected through a first clutch t...
12/02/2003
6656082Hybrid vehicle and method of controlling the same
In a hybrid vehicle of the present invention, a clutch motor, an assist motor, and an engine are connected via a dual clutch, which includes an inner clutch arranged between an inner shaft and a middle shaft and an outer clutch arranged between the middle...
12/02/2003
6648785Transfer case for hybrid vehicle
A hybrid drive system for a four-wheel drive system arranged to supply motive power to a primary output shaft of a transfer case from an internal combustion engine and to a secondary output shaft from an electric motor/generator. The transfer case is comp...
11/18/2003
6645105Power transmission apparatus for a hybrid vehicle and a method for controlling the apparatus
The object of the present invention is to provide a power transmission apparatus which enables a shifting with high efficiency and small shock. A power transmission apparatus for a hybrid vehicle having two driving means; an engine and a motor generator, ...
11/11/2003
6638022Hybrid vehicle control device
A hybrid vehicle includes: a metal V-belt type infinitely variable gear-change mechanism 20 whereby the rotation of an engine E is subjected to change in gear ratio, a forwards clutch 14 and a reverse brake 15 that perform engagement/disengagement control...
10/28/2003
6638193Transmission system for automotive vehicle
In a transmission system for an automotive vehicle, a planetary gear (3) comprises a ring gear (33) fixed to a housing, the planetary gear being interposed between a drive axle (1) in which a torque is transmitted from a power source (EG) of the vehicle a...
10/28/2003
6637530Hybrid vehicle control apparatus wherein battery is charged based on required charging amount and/or energy conversion efficiency of electric generator
A control apparatus for controlling a hybrid automotive vehicle including an engine and an electric motor as drive power sources for driving the vehicle, and an electric generator operable by the engine to charge a battery while the vehicle is driven by t...
10/28/2003
6634986Power transmission device
The invention reduces the shift shock of a device equipped with a plurality of prime movers, and provides a power transmission device of a device having a first prime mover (engine) 1 and a second prime mover (motor) 2 as drive sources, which is arranged ...
10/21/2003
6629024Control apparatus for variable-cylinder engine, and control apparatus for vehicle
A control apparatus for a variable-cylinder engine of a vehicle, including a regenerative-braking-state detecting device operable to detect a regenerative braking state of the vehicle, and a decompression-state setting device arranged to place selected on...
09/30/2003
6625524Hybrid vehicle control apparatus and control method
A hybrid vehicle control apparatus, in a vehicle having an engine; a first electric motor and a second electric motor; an output shaft connected to a drive wheel; a differential gear device whose gear elements are connected to the engine, the first and se...
09/23/2003
6244368Hybrid powered vehicle
A hybrid powered vehicle of the present invention reduces the vibrations caused by changes in torque to thereby achieve excellent driving characteristics. The hybrid powered vehicle has an electric motor, an engine and a vehicle driving power source, whic...
06/12/2001
5285111Integrated hybrid transmission with inertia assisted launch
The present invention relates to a power transmission that is interposed between the internal combustion engine and the drive ratio selection transmission of a vehicle. A motor/generator is operatively connected to the power transmission, and the power tr...
02/08/1994
4588040Hybrid power system for driving a motor vehicle
A triple hybrid power system for driving a motor vehicle utilizing an internal combustion engine to drive an electric generator to charge a bank of batteries that provide electrical energy to drive an electric motor/generator that supplies power to a plan...
05/13/1986
4411171Vehicle drive
A vehicle having an internal combustion engine and flywheel includes a first clutch arranged between the flywheel and the vehicle drive shaft and a second clutch arranged between the flywheel and engine for selectively disconnecting the engine from the ve...
10/25/1983
 
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