Vehicle

Details Vehicle Vehicle

1984-01-27

1987-05-26

Croyle, Carlton R.

Motor vehicles

Having four wheels driven

Including pump and fluid motor, or generator and electric...

56 119, 74695, 74705, B60K 2504

Patent

active

046677631

ABSTRACT:
A vehicle, in particular an agricultural one, for instance a combine harvester, has two axles (1, 2) drivable from two hydraulic motors (3, 4) switched in parallel, of which the one, non-steerable axle (1) is constantly drivable and the drive of the second steerable axle (2) may be connected or disconnected by means of clutch (11). In order to achieve a compact, stable and vibration-free auxiliary drive of the second steerable axle (2), the clutch (11), a planetary transmission (12) and a bevel drive pinion of an angle transmission (13) are arranged coaxially one behind the other between the associated hydraulic motor (4) and the axle (2). Due to this arrangement the hydraulic motor (4) of the second steerable axle (2) may be approximately half the size of the hydraulic motor (3) of the constantly driven axle (1). The clutch (11) and the planetary transmission (12) are combined to form a compact constructional unit (26) which is flange-connected to the axle housing ( 27) of the second, steerable axle (2). In the area of the bevel drive pinion of the angle transmission (13) the steering cylinder (28) is integral with the axle housing (27) of the axle (2).

REFERENCES:
patent: 1336131 (1920-04-01), Christie
patent: 2728404 (1955-12-01), Peterson
patent: 2750742 (1956-06-01), Peterson
patent: 3207254 (1965-09-01), De Venel
patent: 3480100 (1969-11-01), Gaulke
patent: 3522861 (1970-08-01), Middlesworth et al.
patent: 3577805 (1971-05-01), Ohno et al.
patent: 3736732 (1973-06-01), Jennings et al.
patent: 3833080 (1974-09-01), Lemmon
patent: 4236595 (1980-12-01), Beck et al.

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