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.

Date of Patent:
Jan. 15, 2013

Filed:

Dec. 05, 2007
Applicants:

Kensaku Todaka, Kitakyushu, JP;

Hideyuki Matsui, Kitakyushu, JP;

Eiji Seki, Kiyose, JP;

Isao Negishi, Kiyose, JP;

Inventors:

Kensaku Todaka, Kitakyushu, JP;

Hideyuki Matsui, Kitakyushu, JP;

Eiji Seki, Kiyose, JP;

Isao Negishi, Kiyose, JP;

Assignees:

Toto Ltd., Kitakyushu-shi, Fukuoka, JP;

Nippon Thermostat Co., Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05D 23/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A hot and cold water mixing valve including a temperature adjusting dial, and a cylindrical casing having formed therein a hot water inlet and a cold water inlet is provided with a control valve member in which one end thereof is subjected to a load from a biasing member and the other end is subjected to a load from an actuator. By balancing between the loads applied by the biasing member and the actuator, a mixture ratio between the hot water which flows in through the hot water inlet and the cold water which flows in through the cold water inlet is adjusted. A temperature adjuster adjusts a position of the control valve member through the biasing member and includes a tapered skirt portion, which spreads in a radial direction, at an end on the control valve member side thereof.


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