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:
Sep. 30, 2003

Filed:

May. 22, 2001
Applicant:
Inventors:

Masamichi Yano, Tokyo, JP;

Kazuhiko Watanabe, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 4/104 ;
U.S. Cl.
CPC ...
F25B 4/104 ;
Abstract

An expansion valve comprises a substantially prismatic-shaped valve body made of aluminum alloy. On the valve body is formed a first passage through which a liquid-phase refrigerant travels towards an evaporator, and a second passage through which a gas-phase refrigerant travels from the evaporator toward a compressor. On the upper portion of the valve body is mounted a power element portion for driving the valve mounted in the middle of a first passage On the side surfaces of the valve body are formed protruding portions and to the protruding portions, penetrating holes for inserting the bolt for mounting the expansion valve are formed.


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