Safety device for priority hydraulic consumer

Details Safety device for priority hydraulic consumer Safety device for priority hydraulic consumer

1986-04-08

1987-12-15

Wayner, William E.

Power plants

Pressure fluid source and motor

Apparatus having means responsive to or ameliorating the...

60422, 91516, F16D 3102

Patent

active

047123753

ABSTRACT:
In the supply of priority and lower-ranking consumers the flow to the priority consumer must be maintained even when there is a leak in the hydraulic system of the lower-ranking consumers. For this purpose the priority consumer is connected via in each case a check valve to a pump and an auxiliary pump. If the pressure generated by the pump drops for example due to a leak a valve opening the pressure line to the discharge is shut-off and the priority consumer thereby supplied with fluid delivered by the auxiliary pump.

REFERENCES:
patent: 3535877 (1970-10-01), Becker et al.
patent: 3896618 (1975-07-01), Smith et al.
patent: 3994133 (1976-11-01), Pfeil et al.
patent: 4121501 (1978-10-01), Finley
patent: 4453451 (1984-06-01), Streeter et al.

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