Hydraulic priority valve

Details Hydraulic priority valve Hydraulic priority valve

1980-12-19

1983-04-05

Nilson, Robert G.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

60418, 60422, 137118, G05D 1610

Patent

active

043788165

ABSTRACT:
A hydraulic priority switch for preferential feeding of a low consumption primary loop in fluid communication with a hydraulic reservoir which is chargeable from a pressure medium source via a flow control means, against a non-preferential secondary loop which can be switched in with the aid of a priority value when said primary loop is sufficiently pressurized, said hydraulic priority switch having protecting means for protecting both loops from excess pressure comprising a pressure-limiting valve which functions to make an outlet flow path available when pressure is excessive.

REFERENCES:
patent: 2846850 (1958-08-01), Hall
patent: 3628558 (1971-12-01), Bahl
patent: 4014360 (1977-03-01), Adams
patent: 4192337 (1980-03-01), Alderson
patent: 4244390 (1981-01-01), Kervagoret

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