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. 05, 2019
Filed:
Sep. 05, 2013
Applicant:
Illinois Tool Works Inc., Glenview, IL (US);
Inventor:
Christopher A. Carns, Hicksville, OH (US);
Assignee:
Illinois Tool Works Inc., Glenview, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 31/00 (2006.01); G05D 23/02 (2006.01); F16K 31/53 (2006.01); G05D 23/13 (2006.01); F16K 31/54 (2006.01);
U.S. Cl.
CPC ...
G05D 23/023 (2013.01); F16K 31/002 (2013.01); F16K 31/535 (2013.01); F16K 31/54 (2013.01); G05D 23/1333 (2013.01);
Abstract
A four-way hall valve includes a linear gear for operating the ball element in the valve and a temperature responsive wax element connected to the linear gear for moving the linear gear and rotating the ball in response to temperature change.