Housing assembly for electric vehicle transaxle

Details Housing assembly for electric vehicle transaxle Housing assembly for electric vehicle transaxle

1979-06-25

1981-08-18

Herrmann, Allan D.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74397, 74751, 74781R, 188170, 192 18A, F16H 3708, F16H 374, F16H 356

Patent

active

042839688

ABSTRACT:
Disclosed is a drive assembly (10) for an electrically powered vehicle (12). The assembly includes a transaxle (16) having a two-speed transmission (40) and a drive axle differential (46) disposed in a unitary housing assembly (38), an oil-cooled prime mover or electric motor (14) for driving the transmission input shaft (42), an adapter assembly (24) for supporting the prime mover on the transaxle housing assembly, and a hydraulic system (172) providing pressurized oil flow for cooling and lubricating the electric motor and transaxle and for operating a clutch (84) and a brake (86) in the transmission to shift between the two-speed ratios of the transmission. The adapter assembly allows the prime mover to be supported in several positions on the transaxle housing. The brake is spring-applied and locks the transmission in its low-speed ratio should the hydraulic system fail. The hydraulic system pump is driven by an electric motor (212) independent of the prime mover and transaxle.

REFERENCES:
patent: 2436746 (1948-02-01), Drought
patent: 3150533 (1964-09-01), Wallgren

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