Valve assembly structure for a fluid system

Details Valve assembly structure for a fluid system Valve assembly structure for a fluid system

1994-08-18

1995-05-30

Tapolcai, William E.

Valves and valve actuation

With material guide or restrictor

Movable or resilient guide or restrictor

25112911, 251903, F16K 4716

Patent

active

054195314

ABSTRACT:
A valve assembly structure including a valve body having a fluid passage therein to allow fluid to flow from one end port opening to an opposite end port opening, the valve body including an annular sealing surface cooperative with at least one of the end port openings with a valve stem cooperatively aligned with such end port opening to open and close the same, the valve stem having a collar restrainedly fastened to such valve stem to present an annular collar sealing surface facingly cooperative with the annular sealing surface on the valve body to fluid seal the end port opening when the valve stem is moved to a closed position.

REFERENCES:
patent: 1968779 (1934-07-01), Johnsen
patent: 2346938 (1944-04-01), Oravec
patent: 2770443 (1956-11-01), Rand
patent: 3262673 (1966-07-01), Seeley
patent: 4313594 (1982-02-01), Antoniw et al.
patent: 4376333 (1983-03-01), Kanamaru et al.
patent: 4986085 (1991-01-01), Tischer
patent: 5052656 (1991-10-01), Katayama
patent: 5120018 (1992-06-01), Lamb

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