Title: Check valve having temperature response

Abstract: A thermally sensitive check valve is disclosed in which a bimetallic snap disc functions in one position as the check valve element and in another position to either maintain the valve open as in one illustrated embodiment, or to maintain the valve closed as illustrated in another embodiment. By combining the check valve function and the valving function in a single bimetallic snap disc, a simple and reliable device is provided.

Do you think this is a good invention? Vote now:

Votes so far: For:(0) Against:(0)
Other info:

Inventors: Place, Donald E. (Mansfield, OH, US)

Application Number: 515834
Filing Date: 1974-10-18
Publication_date: 1976-01-06
Assignee: Therm-O-Disc Incorporated (Mansfield, OH)
Primary Class(es): 236/48R 137/519, 236/87, 236/101A, 236/101R, 251/75
Other Classes:
US Patent Ref:

1848031	Mar, 1932	Spencer	236/101.
1923882	Aug, 1933	Pickup	236/101.
2585863	Feb, 1952	Smith	251/75.
3450342	Jun, 1969	Arledg, Jr.	236/93.
3704697	Dec, 1972	Weymann	123/117.
3734403	May, 1973	Eshelman et al.	236/87.
3856259	Dec, 1974	Dohert, Jr.	251/75.

Other Refs:
Primary Examiner: Dority, Jr., Carroll B.
Assistant Examiner: Tapolcai, Jr., William E.
Attorney: McNenny, Farrington, Pearne & Gordon