Control valve means for fluid motors

Details Control valve means for fluid motors Control valve means for fluid motors

1975-04-21

1977-07-05

Cohan, Alan

Fluid handling

Systems

Supply and exhaust

91420, 91447, 137106, 1375961, F15B 1304

Patent

active

RE0292923

ABSTRACT:
A pressure reducing valve mechanism maintains pressure in one of the service passages of a control valve at a desirably low value except at times when the control valve element is actuated to a position effecting flow of pressurized supply fluid to said service passage for delivery to a motor governed by the control valve.

REFERENCES:
patent: 2501483 (1950-03-01), Taylor
patent: 2881794 (1959-04-01), Baldwin et al.
patent: 3285282 (1966-11-01), Martin
patent: 3338263 (1967-08-01), Altmeppen et al.
patent: 3398650 (1968-08-01), Garnjost
patent: 3439583 (1969-04-01), Stacey
patent: 3524386 (1970-08-01), Cudnohufsky
patent: 3532119 (1970-10-01), Lind
patent: 3570517 (1971-03-01), Odenthal
patent: 3613711 (1971-10-01), Wilke
patent: 3730206 (1973-05-01), Sirek
patent: 3759288 (1973-09-01), Kubashi

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