Fluid control system

Details Fluid control system Fluid control system

1973-05-21

1976-02-17

Rosenthal, Arnold

Fluid handling

With leakage or drip collecting

251 28, 251 29, 251150, 91454, 285DIG22, F16K 31143, F16K 5100

Patent

active

039385434

ABSTRACT:
Fluid control systems for controlling machine tool operations or other automated mechanical devices. An unlimited number of multiple function systems can be assembled from a basic simple function system employing two-way relay valves which, in their normally blocked state, have a "controlled leakage" venting feature effective to prevent any leakage to outlet and possible system malfunction. Fluid memory can also be built in the system. Simple relay valves, limit valves, pressure control relay valves, time delay relay valves and other variations in spool and slide form provide controlled leakage.

REFERENCES:
patent: 1110320 (1914-09-01), Fulton
patent: 2326292 (1943-08-01), Dorman
patent: 2948262 (1960-08-01), Gratzmuller
patent: 3078066 (1963-02-01), Moore
patent: 3707984 (1973-01-01), Bantz
patent: 3750694 (1971-08-01), Fawkes
patent: 3782250 (1974-01-01), Kiszewski

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