Thermally responsive valve having dual operating temperatures

Details Thermally responsive valve having dual operating temperatures Thermally responsive valve having dual operating temperatures

1976-05-10

1977-06-28

O'Dea, William F.

Automatic temperature and humidity regulation

Thermostatic

Expanding solid

123117A, 137468, 236 87, G05D 2308

Patent

active

040320715

ABSTRACT:
A thermally responsive valve having dual operating temperatures comprises a main body having two openings which are connected through passages in the body to an internal operating space in the body, two dish-shaped bimetal elements disposed in spaced relation to each other within the internal operating space to divide the operating space into three sections, the bimetal elements being movable in response to variations in temperature to engage and disengage respective valve seats to close and open passages between the internal operating space and the openings, and an annular wave-shaped spring arranged between the two bimetal elements holding the elements in said spaced relation.

REFERENCES:
patent: 3804326 (1974-04-01), McIntire
patent: 3962868 (1976-06-01), Matumoto et al.

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