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:
Oct. 25, 2011
Filed:
Sep. 28, 2006
Mitsuru Iwasaki, Tokyo, JP;
Mitsuru Iwasaki, Tokyo, JP;
Calsonic Kansei Corporation, Tokyo, JP;
Abstract
A thermally responsive valve is installed in a coolant circuit of an engine, and is provided with an operating membercontaining a thermal expansion elementwhich expands and contracts according to a temperature change of coolant to change a longitudinal length of the operating memberdue to thermal expansion and contraction thereof so as to open and close a valve in the coolant circuit. The thermal expansion elementincludes a first thermal expansion elementwith lower thermal expansion start temperature and a lower thermal expansion response speed, and a second thermal expansion elementwith a higher thermal expansion start temperature and a higher expansion response speed.