Hydraulic wheel drive

Details Hydraulic wheel drive Hydraulic wheel drive

1978-10-03

1981-06-30

Braun, Leslie

Machine element or mechanism

Gearing

With fluid drive

74750R, 74801, 180 65F, 180308, 192 85AA, F16H 4700, B60K 100, F16H 128

Patent

active

042756162

ABSTRACT:
A wheel drive comprises a hollow wheel support having a projection and in which is housed an axial-piston hydraulic motor having an output shaft connected via planetary gearing to the hub. To this end the projection is provided with mounting pins constituting the planet carrier of a first set of planet gears which mesh with a ring gear formed integrally inside the hub and with a sun gear that may be provided directly on the motor output shaft or that may be the output of a second set of planetary gears whose planet gears mesh with the ring gear of the hub and whose sun gear is connected to the motor output shaft. A clutch can be provided on this motor output shaft to disconnect it from the respective sun gear, and the inner end of the motor shaft may be acted on by a wheel brake.

REFERENCES:
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patent: 2222814 (1940-11-01), Hodges
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patent: 3426620 (1969-02-01), Pleska
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patent: 3452612 (1969-07-01), Casey
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patent: 3686978 (1972-08-01), Knoblach et al.
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patent: 3865207 (1975-02-01), Schwab
patent: 3944007 (1976-03-01), Thom et al.
patent: 3954026 (1976-05-01), Rittmann et al.
patent: 4040312 (1977-08-01), Tappan et al.
patent: 4142615 (1979-03-01), Sidles, Jr.
patent: 4162713 (1979-07-01), Heitman

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