Thermostatic valve

Automatic temperature and humidity regulation – Thermostatic – In fluid controlled

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Details

236 48R, G05D 2308

Patent

active

048302775

ABSTRACT:
A thermoplastic valve includes a valve body having an open cavity therein and inlet and outlet passages which communicate with the cavity, a valve seat at the inner end of the outlet passage and a bimetallic disc in the cavity. The bimetallic disc has an apereture therethrough, and it is responsive to a predetermined temperature condition for flexing between a closed position wherein the central portion of the disc is received on the valve seat so that it obstructs the outlet passage and an open position wherein the outlet passage is unobstructed and a fluid can pass outwardly from the cavity by passing through the aperture in the disc and then through the outlet passage. The disc is supported in the cavity so that the peripheral portion of the disc is spaced inwardly from the plane of the valve seat to minimize the resistance to the flow of a fluid as the fluid passes from the aperture in the disc to the outlet passage when the disc is in the open position.

REFERENCES:
patent: 1774537 (1930-09-01), Zimmerman
patent: 1848031 (1932-03-01), Spencer
patent: 1972170 (1934-09-01), Spencer
patent: 2471655 (1949-05-01), Rundell
patent: 3790077 (1974-02-01), Wisyanski et al.
patent: 3804326 (1974-04-01), McIntire
patent: 3965222 (1976-06-01), Benjamin

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