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:
Mar. 20, 1979
Filed:
Mar. 30, 1977
Applicant:
Inventors:
Makoto Wakabayashi, Norton, MA (US);
John Doherty, Jr, Assonet, MA (US);
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05D / ;
U.S. Cl.
CPC ...
236 / ; 236 87 ; 2361 / ; 2361 / ;
Abstract
An improved thermally actuated valve assembly having a double throw feature comprises three ports in which two passages are provided among these three ports; one passage connecting ports one and two and the other passage connecting ports two and three. At a predetermined temperature a snap-acting bimetallic member causes a change in communication from one of the passages to the other.