Motor vehicle planetary transmission for the drive train of a mo

Details Motor vehicle planetary transmission for the drive train of a mo Motor vehicle planetary transmission for the drive train of a mo

1995-06-16

1997-10-21

Marmor, Charles A.

Planetary gear transmission systems or components

Electric or magnetic drive or control

475346, F16H 5708

Patent

active

056790872

ABSTRACT:
The present invention relates to a motor vehicle planetary transmission component for the individual drive of a wheel of a motor vehicle. The planetary transmission component comprises a rotary component of a motor which is mounted with its motor shaft by means of a roller bearing on a support part, which support part simultaneously forms a housing for a planetary transmission. The motor shaft supports, equiaxially with respect to its axis of rotation, a sun wheel which is surrounded by a ring gear held on the support part. Engaged with the sun wheel and the ring gear are planet wheels which are supported axially parallel to the axis of rotation of the motor shaft on a driven shaft part of the planetary transmission. The driven shaft part is supported by means of a single, single-row roller bearing on the support part. This roller bearing is located on the side of the plane of rotation of the planet wheels axially farther from the roller bearing of the motor shaft, and has some radial play. The toothed portions of the planet wheels can thus move relative to the toothed portions of the ring gear or the toothed portions of the sun wheel, and also support the driven shaft part.

REFERENCES:
patent: 3770074 (1973-11-01), Sherman
patent: 4796722 (1989-01-01), Kumagai
patent: 4918344 (1990-04-01), Chikamori et al.
patent: 5156579 (1992-10-01), Wakuta et al.
VDI-Berichte No. 878; "Das elektrische Getriebe von Magnet-Motor fur PKW und Omnibusse"; 1991; Dr. P Ehrhard; pp. 611-622.

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