Multi-function thermostatic valve

Details Multi-function thermostatic valve Multi-function thermostatic valve

1976-09-17

1978-10-03

Wayner, William E.

Automatic temperature and humidity regulation

Snap-acting

Including a permanent magnet

13762518, 236 87, 236101C, 236 48R;87;10C, G05D 2310

Patent

active

041179765

ABSTRACT:
An improved multi-function, thermal valve assembly has four ports with two passages sealingly separated one from another; the first passage connecting the first two ports and the second passage connecting the second two ports. Each of the passages has a valve seat contained therein. The valve assembly employs at least one thermally responsive actuating member which is actuable to move a valve switching means in each of the two passages simultaneously to either open or close one or both of the valve seats contained in the two passages thereby changing communication between the first two ports and between the second two ports.

REFERENCES:
patent: 2461904 (1949-02-01), Vaughan
patent: 3071936 (1963-01-01), Irwin
patent: 3812382 (1974-05-01), Scott
patent: 3863810 (1975-02-01), Hanson
patent: 4026464 (1977-05-01), Doherty, Jr.

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