Drive unit of electric vehicle

Details Drive unit of electric vehicle Drive unit of electric vehicle

2005-04-19

2005-04-19

Phan, Hau Van (Department: 3618)

Motor vehicles

Power

Electric

C180S065510, C180S907000

Reexamination Certificate

active

06880653

ABSTRACT:
A drive unit (54) for an electric motor-operated vehicle is provided with a planetary gear mechanism (58) having; a sun gear (58a) rotating together with a motor output shaft (57a), a planetary gear (58b) meshing the sun gear (58a), and a ring gear (58c) meshing the planetary gear (58b); and constituted that an arm plate (58d) supporting the planetary gear (58b) is rotated with the rotation of the motor (57) at a specified speed reduction ratio. The ring gear (58c) is supported for rotation relative to a housing and a switching mechanism (65) is provided to hold or release the relative rotation of the ring gear (58c).

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