Planetary gear transmission systems or components – Electric or magnetic drive or control – Differential drive or control
Patent
1995-06-29
1997-04-15
Marmor, Charles A.
Planetary gear transmission systems or components
Electric or magnetic drive or control
Differential drive or control
475207, 180 657, F16H 4830
Patent
active
056203870
ABSTRACT:
Drive unit for an electrically powered vehicle, comprising an electric motor (1) and a transmission (2) coupled between the electric motor and the drive axles (30,31) of the vehicle. The transmission (2) has a cylindrical speed reducer (8) with two reduction steps and two different gear ratios, a planetary gear set (9) driven by the speed reducer and which provides a third reduction step and which drives a differential (10) to which the drive axles are coupled. One drive axle (31) extends through the transmission and the electric motor.
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AB Volvo
Kwon Peter T.
Marmor Charles A.
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