Exhaust valve

Details Exhaust valve Exhaust valve

1974-04-12

1976-08-17

Cohen, Irwin C.

Presses

Reciprocating press construction

Fluid pressure actuation

91 6, 91441, B30B 134, B30B 1518, F15B 13042

Patent

active

039747646

ABSTRACT:
A valve for rapidly filling and emptying a volume created by rapid displacement of a machine member. The valve has a body to be connected between a reservoir and the machine. The valve has a valve seat with a seating surface that surrounds the flow path of fluid from the volume and an integral valve guide connected to the seat. A valve opening toward the machine is spring urged toward closed position to withstand high pressure of the fluid at the machine. An auxiliary mechanism is provided to open the valve which may be a solenoid, a pilot piston, or fluid cylinder or manual operation. The valve is provided with a dashpot to provide smooth operation.

REFERENCES:
patent: 1940668 (1933-12-01), Ernst
patent: 2077894 (1937-04-01), Patrick
patent: 2161804 (1939-06-01), Dinzl
patent: 2210284 (1940-08-01), Dinzl
patent: 2526800 (1950-10-01), Brehm et al.
patent: 2922397 (1960-01-01), Haanes
patent: 2973744 (1961-03-01), Hennells
patent: 3068841 (1962-12-01), Robbins
patent: 3888168 (1975-06-01), Kent et al.

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