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:
Sep. 30, 2003
Filed:
May. 23, 2002
Kazuto Kobayashi, Tokyo, JP;
Masamichi Yano, Tokyo, JP;
Fujikoki Corporation, Tokyo, JP;
Abstract
An expansion valve comprises a piping member equipped with passages to which refrigerant pipes are to be connected, and a cassette unit the two members being formed as separate units. The cassette unit comprises a tube member having a flange portion and at the interior of the tube member are fixed a guide member an orifice member and a plate member The pressure of gas filled in a gas charge chamber defined by a lid and a diaphragm displaces the diaphragm the displacement being transmitted to a shaft member through a stopper member including at the center thereof a tubed portion storing an absorbent. The shaft member is guided by a guide member and controls the valve means inside a valve chamber The cassette unit is inserted to the piping member and fixed to position by a ring Seal members and are equipped to appropriate areas between the cassette unit and the piping member.