Control unit for the supply of a work unit fed in parallel from

Details Control unit for the supply of a work unit fed in parallel from Control unit for the supply of a work unit fed in parallel from

1978-02-14

1980-10-07

Cohen, Irwin C.

Motors: expansible chamber type

Working member moved by stored motive fluid charge

60403, 60413, 91 28, 91451, 91454, 91509, F15B 1116, F15B 1306

Patent

active

042261660

ABSTRACT:
Hydraulic control.
The unit is characterized in that it is provided, between an inlet well and an outlet well for pressurized fluid, with an obturator urged in the closed position by a resilient member arranged to act against the pressurized fluid in the inlet well in a chamber communicating with a conduit issued from the outlet well and separated from a return conduit by a relief valve which is urged in the closed position by a spring and by the fluid pressure prevailing in the inlet well.
Application to transfer-machines with one single hydraulic station.

REFERENCES:
patent: 2888909 (1959-06-01), Gratzmuller
patent: 2954047 (1960-09-01), Faltejsek et al.
patent: 3136226 (1964-06-01), Gratzmuller
patent: 3847180 (1974-11-01), Kroth et al.
patent: 3991570 (1976-11-01), Keller
patent: 4036106 (1977-07-01), Athy, Jr.

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