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. 02, 2001
Filed:
Jan. 10, 2000
Applicant:
Inventors:
Hisatoshi Hirota, Tokyo, JP;
Shinji Saeki, Tokyo, JP;
Isao Sendo, Tokyo, JP;
Masaichi Kawahata, Tokyo, JP;
Toshiyuki Shiota, Tokyo, JP;
Takashi Kobayashi, Tokyo, JP;
Assignee:
TGK Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05D 2/700 ;
U.S. Cl.
CPC ...
G05D 2/700 ;
Abstract
An expansion valve adapted to achieve a stable operation in case of variations of the pressure of a high-pressure refrigerant is actuated by a power element transmitting an opening force to a valve body via a rod located between the power element and the power body by applying couple forces to the rod and generating a retarding force for the rod while the rod is guided in the direction of its shaft line