Vehicle steering and auxiliary function hydraulic circuit

Details Vehicle steering and auxiliary function hydraulic circuit Vehicle steering and auxiliary function hydraulic circuit

1985-03-06

1986-12-02

Schwadron, Martin P.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

137554, 200 819R, 200 82R, G05D 701

Patent

active

046257519

ABSTRACT:
A hydraulic circuit includes as its major constituents a pump supplying hydraulic fluid to a main steering valve and to an auxiliary function valve through a priority valve. The priority valve allows the main steering valve to preempt the auxiliary function valve on demand. A secondary valve is provided to allow an accumulator to discharge hydraulic fluid to the main steering valve should the hydraulic circuit experience a loss of pressure and flow. Electrical circuit means are provided to warn the operator that the hydraulic circuit has lost pressure and flow.

REFERENCES:
patent: 2747042 (1956-05-01), Zimmerman
patent: 3119990 (1964-01-01), Warth
patent: 3872885 (1975-03-01), Eloi et al.
patent: 3884262 (1975-05-01), Assembergs
patent: 3890995 (1975-06-01), Miller et al.
patent: 4034563 (1977-07-01), Orth
patent: 4192337 (1980-03-01), Alderson et al.
patent: 4213300 (1980-07-01), Biskis
patent: 4303089 (1981-12-01), Gage et al.
patent: 4326558 (1982-04-01), Gage
patent: 4337620 (1982-07-01), Johnson

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