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:
Dec. 08, 1987
Filed:
Dec. 10, 1985
Applicant:
Inventors:
Yasuo Kidouchi, Yamatokouriyama, JP;
Hiroaki Yonekubo, Kyoto, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Kadoma, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D / ; F16K / ;
U.S. Cl.
CPC ...
236 1212 ; 137332 ; 13762533 ;
Abstract
A mixing valve apparatus provides a pressure balancing valve which has fins on their valve members and is forced to rotate by hot- and cold-water flows, two valve means for controlling flows of hot and cold water, a temperature sensor and a flow rate sensor. The valve means are shifted by respective electric driving means which are driven by a controller based on detected data of the temperature sensor and the flow rate sensor.