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:
Jan. 12, 2016
Filed:
Jun. 20, 2012
Applicants:
Makoto Kojima, Osaka, JP;
Noriyuki Okuda, Osaka, JP;
Takayuki Setoguchi, Osaka, JP;
Inventors:
Assignee:
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 41/04 (2006.01); F16K 11/074 (2006.01); F16K 11/16 (2006.01);
U.S. Cl.
CPC ...
F25B 41/04 (2013.01); F16K 11/0746 (2013.01); F16K 11/166 (2013.01); F25B 41/046 (2013.01); Y10T 137/86485 (2015.04);
Abstract
A valve case () includes a plurality of ports (P, P, P, . . . ). A valve body () rotates in the valve case () and slide on openings of predetermined ones of the ports (P, P, P, . . . ) to switch a communication state among the ports (P, P, P, . . . ). A motor () rotates the valve body (). A controller () controls a rotation speed (ω) of the motor () in accordance with a differential pressure (ΔP) between internal and external pressures of the valve body ().
Kojima, Makoto. (2016). Refrigerant passage change-over valve and air conditioner using the same (U.S. Patent No. 9234684). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9234684
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