Hydraulic control system

Details Hydraulic control system Hydraulic control system

1974-07-22

1976-02-03

Freeh, William L.

Power plants

Pressure fluid source and motor

Servo-motor having externally operated control valve sets...

60449, 60450, 60452, 417218, F16D 3102, F04B 4900

Patent

active

039357066

ABSTRACT:
A hydraulic control system includes a generating circuit for providing power to a work function. A driving apparatus operates the generating circuit. A control circuit is connected to the generating circuit and the driving apparatus for permitting delivery of power to the work function when the driving apparatus is operating up to a predetermined speed. The control circuit also stops delivery of power to the work function when the driving apparatus runs above the predetermined speed. The control circuit further includes a cut-off apparatus for stopping delivery of power to the work function when the driving apparatus is running up to the predetermined speed.

REFERENCES:
patent: 3002462 (1961-10-01), Raymond
patent: 3152445 (1964-10-01), Weisenbach
patent: 3188971 (1965-06-01), Puryear
patent: 3214911 (1965-11-01), Kempson
patent: 3477225 (1969-11-01), Cryder et al.
patent: 3660975 (1972-05-01), Martin et al.
patent: 3672166 (1972-06-01), Isaac
patent: 3785754 (1974-01-01), Miller
patent: 3788773 (1974-01-01), Van Der Kolk

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