Auxiliary hydrostatic wheel drive

Details Auxiliary hydrostatic wheel drive Auxiliary hydrostatic wheel drive

1976-09-27

1978-01-31

Betts, Kenneth H.

Motor vehicles

Steam traction engines

Spring mounted on axle

180 66R, B60K 2500

Patent

active

040711064

ABSTRACT:
A supplementary hydrostatic front wheel drive for a motor grader or the like utilizes pump flow from an already existing implement system as the source of supply to operate the drive wheel motors. The drive wheel motors are of the variable displacement over center type, and the system provides equal flow to both drive wheel motors to establish a synchronized rotational speed of both drive wheel motors. The displacements of the drive wheel motors are responsive to vehicle ground speed. The drive wheel components may include friction driving means which are responsive to the primary vehicle drive system.

REFERENCES:
patent: 3272279 (1966-09-01), Budzich
patent: 3354978 (1967-11-01), Budzich
patent: 3458005 (1969-07-01), Malm et al.
patent: 3480099 (1969-11-01), Nighswonger et al.
patent: 3481419 (1969-12-01), Kress et al.
patent: 3506081 (1970-04-01), Rumsey
patent: 3535984 (1970-10-01), Anderson
patent: 3680652 (1972-08-01), Greene
patent: 3827528 (1974-08-01), Shaffer
patent: 3882980 (1975-05-01), Blake

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