Valve construction and method of making the same

Details Valve construction and method of making the same Valve construction and method of making the same

1985-10-25

1986-12-23

Wayner, William E.

Automatic temperature and humidity regulation

Cooling radiator

Bypass

251117, 251332, F16K 5100, F16K 100

Patent

active

046307702

ABSTRACT:
A valve construction and method of making the same are provided, the valve construction having an annular valve seat and a movable valve member for opening and closing the valve seat and being operatively interconnected to a thermal power element that is carried by the valve construction. The valve member has an annular rigid part for engaging the valve seat and has an annular flexible part for also engaging the valve seat at a point upstream of the rigid part, the parts of the valve member being so constructed and arranged that the rigid part moves out of engagement with and away from the valve seat a certain distance before the flexible part moves out of engagement with the valve seat. The flexible part of the valve member has an opening therethrough that is adapted to provide a certain sized fluid flow path through the flexible part of the valve member when the rigid part of the valve member is engaging the valve seat.

REFERENCES:
patent: 672384 (1901-04-01), Marvin
patent: 758822 (1904-05-01), Collins
patent: 1015142 (1912-01-01), Criswell
patent: 1297446 (1919-03-01), Collins
patent: 2296732 (1942-09-01), Oyston et al.
patent: 3247867 (1966-04-01), Martin
patent: 3454182 (1969-07-01), Morton
patent: 4022377 (1977-05-01), Wagner et al.
patent: 4091991 (1978-05-01), Sliger
patent: 4257553 (1981-03-01), Sliger et al.
Known to shape valve seat means in relation to the edge of the valve member.

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