Vacuum pressure regulating valve

Details Vacuum pressure regulating valve Vacuum pressure regulating valve

2006-05-02

2006-05-02

Jacyna, J. Casimer (Department: 3751)

Valves and valve actuation

With material guide or restrictor

Movable or resilient guide or restrictor

Reexamination Certificate

active

07036790

ABSTRACT:
An annular valve seat is formed in a connecting path connecting a first main port and a second main port, a circular flow path wall having a diameter greater than a seat diameter is formed around the valve seat so as to surround the valve seat, a circular outer peripheral wall having a diameter greater than the seat diameter and smaller than a diameter of the flow path wall is formed at a disc-shaped valve member, and a restricted flow path is formed between the flow path wall and the outer peripheral wall when the valve member is fitted in the flow path wall.

REFERENCES:
patent: 3857545 (1974-12-01), Santi
patent: 4416416 (1983-11-01), Maltby
patent: 6494229 (2002-12-01), Kajitani
patent: 2002/0033462 (2002-03-01), Kajitani

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