Valve apparatus

Details Valve apparatus Valve apparatus

1998-11-12

2000-04-25

Rivell, John

Valves and valve actuation

Electrically actuated valve

Including solenoid

12356826, 335255, F16K 3106

Patent

active

060534737

ABSTRACT:
A coupling means comprises a first retainer and a second retainer. The first and second retainers are fastened to a first annular groove and a second annular groove of a valve stem respectively, and they are fixed by an energizing action in the vertical direction effected by a second elastic member. The first retainer is energized upwardly by a first elastic member provided on a lower side of the first retainer, and it abuts against the lower surface of a projection of a plunger. In this arrangement, the plunger is displaced downwardly while pressing the first retainer. Thus, the valve stem is moved downwardly together with the first retainer.

REFERENCES:
patent: 4666125 (1987-05-01), Marts et al.
patent: 5020505 (1991-06-01), Grey et al.
patent: 5129623 (1992-07-01), Lockwood
patent: 5460146 (1995-10-01), Frankenberg
patent: 5593132 (1997-01-01), Hrytzak
patent: 5626165 (1997-05-01), Shinobu
patent: 5687698 (1997-11-01), Mastro et al.
patent: 5957117 (1999-09-01), Everingham

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