Tilt tip circuit with bypass valve

Details Tilt tip circuit with bypass valve Tilt tip circuit with bypass valve

1977-02-17

1978-05-02

Geoghegan, Edgar W.

Motors: expansible chamber type

Differential

91461, 60468, 60484, 172803, F15B 1100

Patent

active

040868435

ABSTRACT:
In a fluid system having a main control valve and bypass control valve both responsive to pilot pressure for actuation thereof for supplying fluid to a pair of hydraulic actuators and a pair of bypass valves, the pump's flow is supplied to the first actuator and the exhaust therefrom to the second via a third control valve, the exhaust from the second actuator returns via the third control valve and the main control valve to sump, the pump's flow being subjected through the bypass control valve to the first of the bypass valves whereby once a first predetermined pressure has been reached, the pump's flow passes via the bypass valve through the second end of the first actuator and is combined with the exhaust of the first actuator for driving the second actuator.

REFERENCES:
patent: 3184920 (1956-05-01), Lohbauer
patent: 3705631 (1972-12-01), Seaberg
patent: 3774696 (1973-11-01), Horsch
patent: 3997007 (1976-12-01), Junck et al.

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