Dual bimetal relief valve

Details Dual bimetal relief valve Dual bimetal relief valve

1979-03-19

1980-03-18

Makay, Albert J.

Heat exchange

Movable heating or cooling surface

Rotary drum

123 4133, 123196AB, 184104B, 236 345, 236 93R, 236101C, G05D 2308

Patent

active

041934423

ABSTRACT:
In an adapter unit for use between an external filter element and fluid reservoir are dual thermostatic pressure relief valves. A body member with a curved recess has ports with opposing valve seats communicating with the recess, and a curved leaf member of approximately three-quarters of a full circle is disposed in the recess and is operative as a double valve gate. The leaf member is at least one bimetal strip having a reversal of high expansion and low expansion sides at a preselected point at approximately one-third of its length from an anchor point. Changes in ambient fluid temperature cause a substantially linear displacement between opposing valve seats at the free end of the leaf member.

REFERENCES:
patent: 1821014 (1931-09-01), Heitger
patent: 1888225 (1932-11-01), Hetherington
patent: 2960606 (1960-11-01), Berger
patent: 3300135 (1967-04-01), Slater et al.
patent: 3353590 (1967-11-01), Holman
patent: 3463317 (1969-08-01), Prier
patent: 3506192 (1970-04-01), Otto
patent: 3954222 (1976-05-01), Bjorklund et al.

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