Ring angle thermally responsive expansion valve

Details Ring angle thermally responsive expansion valve Ring angle thermally responsive expansion valve

1995-11-13

1996-08-20

Tapolcai, William E.

Automatic temperature and humidity regulation

Thermostatic

With pressure control

62225, G05D 2700

Patent

active

055471269

ABSTRACT:
A right angle thermally responsive expansion valve having an integrally formed valve actuator rod with an enlarged head contacted by a pressure responsive diaphragm and the rod is guided for sliding movement in the valve body. The actuator rod has a reduced diameter end which contacts a valve member for effecting opening of the valve. The reduced diameter end is sealed by a seal ring between the rod and the body.

REFERENCES:
patent: 3537645 (1970-11-01), Treder
patent: 3822563 (1974-07-01), Orth
patent: 4342421 (1982-08-01), Widdowson
patent: 4542852 (1985-09-01), Orth et al.
patent: 5297728 (1994-03-01), Yano et al.
patent: 5303864 (1994-04-01), Hirota

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