Spring-loaded nonreturn valve

Details Spring-loaded nonreturn valve Spring-loaded nonreturn valve

1996-02-07

1996-12-03

Gluck, Richard E.

Pumps

Expansible chamber type

Valved piston

137535, F16K 1502, F04B 5310

Patent

active

055802265

ABSTRACT:
The invention relates to a spring-loaded nonreturn valve. For ease of production and assembly, a spring element is designed as a leaf spring which is bent in a zigzag shape and is arranged in a transverse groove of a valve closure body. For connection to a spring holder, the leaf spring has a loop with which it is snapped in on a section of the spring holder bent out of wire. The spring holder has a spring ring which is integral with it and is inserted in a groove in a blind bore of a delivery piston, forming a valve housing, of a reciprocating pump.

REFERENCES:
patent: 860283 (1907-07-01), Daniel
patent: 1448263 (1923-03-01), De Rigne
patent: 2775944 (1957-01-01), Ryder et al.
patent: 3895647 (1975-07-01), Willenbrock et al.
patent: 5009581 (1991-04-01), Kushiyama et al.

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