Combined hydrostatic transmission implement system

Details Combined hydrostatic transmission implement system Combined hydrostatic transmission implement system

1976-11-22

1978-01-10

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Condition responsive control of pump or motor displacement

60484, 60494, F16H 3946

Patent

active

040671933

ABSTRACT:
A hydraulic system is disclosed which combines hydrostatic and implement motors and includes a plurality of hydraulic motors with a variable displacement pump supplying fluid for the motors and a plurality of directional control valves for selectively directing fluid from the pump to the respective motors and includes pressure varying means connected to each of the directional control valves for varying a pilot pressure communicated to vary the displacement of the variable displacement pump in direct relationship to the shifting of the directional control valves.

REFERENCES:
patent: 2316926 (1943-04-01), Willett
patent: 2941365 (1960-06-01), Carlson et al.
patent: 3533234 (1970-10-01), Futamata et al.
patent: 3973399 (1976-08-01), Van Gerpen

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