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:
Nov. 05, 2002
Filed:
Jul. 10, 2001
Masakatsu Minowa, Tokyo, JP;
Kazuhiko Watanabe, Tokyo, JP;
Fujikoki Corporation, Tokyo, JP;
Abstract
Reference ′ refers to a heat-sensing driven member constituting a thermal expansion valve formed by a stainless steel material and the like and having in the inside thereof an adsorbent , with a collar formed to the outside of the opening of the heat-sensing driven material ′. A protrusion and a groove is formed to said collar in the downward direction of the drawing. Said protrusion and said groove are formed to the whole perimeter of said collar . Moreover, a diaphragm formed for example of stainless steel material is inserted to said heat-sensing driven member ′ through an opening formed to the center area thereof until it contacts said protrusion , and said diaphragm is fixed to said heat-sensing driven member ′. As a result, the diaphragm is welded by said protrusion between said collar and said support member . The end of the diaphragm is sandwiched between housings and and fixed to position by welding.