Thermally responsive valve assembly

Details Thermally responsive valve assembly Thermally responsive valve assembly

1981-03-18

1983-06-07

Tapolcai, William E.

Automatic temperature and humidity regulation

Snap-acting

Including a permanent magnet

236 87, 236101C, G05D 2310

Patent

active

043867324

ABSTRACT:
A thermally responsive valve assembly having two ports and a valve mechanism interposed between the ports. The assembly employs a bimetallic element assembly including a pair of dish-shaped bimetallic elements of different thermally responsive character. Both bimetallic elements are connected each other so that a snap length of one of the bimetallic elements is cancelled by a snap length of the other bimetallic element at a predetermined temperature. The former bimetallic element is operatively connected to the valve mechanism so that the valve assembly can restore its former position as the temperature is being increased and provide a series of three modes of operation in successive steps on an increasing degree of temperature.

REFERENCES:
patent: 4142676 (1979-03-01), Hattori
patent: 4182485 (1980-01-01), Kitamura
patent: 4239152 (1980-12-01), Kitamura et al.
patent: 4239154 (1980-12-01), Inada et al.
patent: 4247041 (1981-01-01), Kitamura et al.
patent: 4322032 (1982-03-01), Hashimoto et al.

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