Hydraulic valve mechanism

Details Hydraulic valve mechanism Hydraulic valve mechanism

1981-09-11

1984-03-13

Michalsky, Gerald A.

Fluid handling

Systems

Supply and exhaust

60427, 60452, 91446, 91448, F15B 1304

Patent

active

044361149

ABSTRACT:
A hydraulic valve mechanism has a housing with first and second bores, a control valve element in the first bore, a pressure compensation valve in the second bore, and a non-return valve cooperating with motor parts, wherein control edges for direction control are arranged on the control valve element only at one side of throttle means, the non-return valve is also arranged in the second bore of the housing, and the longitudinal valve element of the pressure compensation valve also forms a closing member of the non-return valve.

REFERENCES:
patent: 3465519 (1969-09-01), McAlvay et al.
patent: 3534774 (1970-10-01), Tennis
patent: 3602104 (1971-08-01), Stremple
patent: 3722543 (1973-03-01), Tennis
patent: 3881512 (1975-05-01), Wilke
patent: 3934742 (1976-01-01), Tennis
patent: 4037410 (1977-07-01), Jackson et al.
patent: 4352375 (1982-10-01), Williams

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