Variable transmission apparatus

Details Variable transmission apparatus Variable transmission apparatus

1997-06-12

1998-11-10

Wright, Dirk

Planetary gear transmission systems or components

Electric or magnetic drive or control

H02K 7116

Patent

active

058335641

ABSTRACT:
A variable transmission mechanism, particularly for the automatic transmission of a vehicle, comprises a driven rotor (22) having windings to which a variable DC supply is fed, and an armature rotor (10) in electromagnetic cooperation with the driven rotor. The rotors are connected to an epicyclic gear train (14) which is also connected to an output shaft, the arrangement being such that an increase in power supply to the driven rotor increases the torque between the rotors and enables the speed of the output shaft to be increased.

REFERENCES:
patent: 1298375 (1919-03-01), Neuland
patent: 4694187 (1987-09-01), Baker
patent: 4757728 (1988-07-01), Pitsch
patent: 4785688 (1988-11-01), Shiozaki et al.
patent: 5508574 (1996-04-01), Vlock
patent: 5704864 (1998-01-01), Yanagisawa
patent: 5708314 (1998-01-01), Law
patent: 5711736 (1998-01-01), Kyodo

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