The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 12, 1978
Filed:
Jan. 10, 1977
Applicant:
Inventors:
Bruce B Parsons, Tokyo, JP;
Denis G Wolfe, Santa Ana, CA (US);
Assignee:
Robertshaw Controls Company, Richmond, VA (US);
Primary Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
337387 ; 337383 ; 337394 ;
Abstract
There is disclosed a thermally responsive actuator useful for solenoids of electromagnetic valves and the like that includes a thermally responsive assembly of first and second metallic members that function as a thermocouple to generate an electrical voltage and also as a bimetallic operator for a switch carried within a housing of the device and operative to make and break the thermocouple circuit.