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Class Information
Number: 475/1
Name: Planetary gear transmission systems or components > Input from independent power sources
Description:










Sub-classes under this class:

Class Number Class Name Patents
475/9 Bevel planet pinion in drive train 47
475/2 Condition responsive motor control 83
475/5 Including electric motor input 910
475/3 Including manual input 29
475/10 Intermeshing planet pinions in drive train 39
475/8 One-way clutch or brake in drive train 56
475/6 Plural outputs 88
475/7 Worm gear in drive train 46


Patents under this class:
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Patent Number Title Of Patent Date Issued
8678967 Power split gearbox for a motor vehicle Mar. 25, 2014
8668610 Electro-hydraulic servo synchronizer for MW wind turbine generator system Mar. 11, 2014
8649950 Driving system having epicycle gear sets with dual output ends equipped with individually-controlled multiple speed-ratio device Feb. 11, 2014
8622859 Systems and methods for hybridization of a motor vehicle using hydraulic components Jan. 7, 2014
8622860 Method and apparatus for transferring power between a flywheel and a vehicle Jan. 7, 2014
8414435 Dual power driving system with epicycle gear sets transmitted in series Apr. 9, 2013
8342995 Drive arrangement with open loop hydraulic mechanism operable as a pump or a motor Jan. 1, 2013
8285462 Method and apparatus to determine a preferred output torque in mode and fixed gear operation with clutch torque constraints for a hybrid powertrain system Oct. 9, 2012
8170762 Method and apparatus to control operation of a hydraulic pump for an electro-mechanical transmission May. 1, 2012
7822524 Vehicular drive system Oct. 26, 2010
7708663 Continuously variable constant mesh epicyclic transmission May. 4, 2010
7627407 Fault determination device and method of negative pressure generation device Dec. 1, 2009
7609011 Electric force transmission device Oct. 27, 2009
7410436 Transmission system and method for driving a vehicle Aug. 12, 2008
7360616 Method for controlling and regulating a power train of a hybrid vehicle and power train of a hybrid vehicle Apr. 22, 2008
7303497 Dual-input differential planetary gear transmission Dec. 4, 2007
7013205 System and method for minimizing energy consumption in hybrid vehicles Mar. 14, 2006
6829991 Inker driven shaftless unit Dec. 14, 2004
6808468 Composite power transmission mechanism and vehicle Oct. 26, 2004
6718955 Electric supercharger Apr. 13, 2004
6344008 Hybrid vehicle Feb. 5, 2002
6315689 Power transmitting device with multiple overdriver Nov. 13, 2001
6052978 Ensilage harvester variable speed feed roll drive Apr. 25, 2000
6017289 Planetary gear assembly with floating ring gear Jan. 25, 2000
5853346 Planetary gear assembly with floating ring gear Dec. 29, 1998
5800302 Planetary gear drive assembly Sep. 1, 1998
5628234 Fail-free actuator assembly May. 13, 1997
5569108 Hybrid driving system Oct. 29, 1996
5512021 Variable ratio transmission Apr. 30, 1996
5211610 Reduction-distribution unit particularly suitable for industrial machines May. 18, 1993
5135442 Gear arrangement for transmitting torque through an angle Aug. 4, 1992
5087230 Drive transmissions Feb. 11, 1992
5045034 Adjustable antibacklash gear system Sep. 3, 1991
4928552 Method and apparatus for power transmission from an engine May. 29, 1990
4869217 Internal combustion engine having light metal housing parts Sep. 26, 1989
4869127 Relative rotation transmitting apparatus Sep. 26, 1989
4858490 Two motor redundant drive mechanism Aug. 22, 1989
4842291 Enclosed multiple speed drive for low maintenance chain driven bicycles Jun. 27, 1989
4825721 Method and apparatus for power transmission from an engine May. 2, 1989
4815334 Drive arrangement for a vehicle Mar. 28, 1989
4779486 Rate biased differential gear momentum compensated actuator Oct. 25, 1988
4729258 Differential actuator Mar. 8, 1988
4651591 Articulated drive, more particularly for industrial robots Mar. 24, 1987
4509390 Differential summing mechanism Apr. 9, 1985
4489625 Split torque transmission Dec. 25, 1984
4385530 Transmission for driving a stretch-reducing rolling mill May. 31, 1983
4274302 Gear reduction apparatus Jun. 23, 1981
4252034 Free-floating planetary transmission with reversible output Feb. 24, 1981
4132131 Free-floating planetary transmission with contra-rotating dual output shafts Jan. 2, 1979
4014222 Variable speed and direction transmission prime mover system Mar. 29, 1977

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