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:
May. 20, 2008
Filed:
May. 12, 2005
Kazuto Kobayashi, Tokyo, JP;
Eiji Fukuda, Tokyo, JP;
Kazuhiko Watanabe, Tokyo, JP;
Masamichi Yano, Tokyo, JP;
Makoto Sudo, Tokyo, JP;
Kazuto Kobayashi, Tokyo, JP;
Eiji Fukuda, Tokyo, JP;
Kazuhiko Watanabe, Tokyo, JP;
Masamichi Yano, Tokyo, JP;
Makoto Sudo, Tokyo, JP;
Fujikoki Corporation, Tokyo, JP;
Abstract
An expansion valve includes a valve body having a valve body hole, a first passage, a bottomed valve chamber, a second passage, a third passage and a guide member disposed in the valve body hole between the first passage and the third passage. The valve body hole has a first valve body hole portion and a second valve body hole portion of different diameters forming a valve body step between the second passage and the first passage. The guide has a first guide portion and a second guide portion of different diameters forming a guide portion step. The guide is sized to be slidably received by the valve body hole in a close-fitting relationship with the first valve body hole portion receiving the first guide portion, the second valve body hole portion receiving the second guide portion and the valve body step and the guide portion step contacting each other.