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:
Feb. 20, 2001
Filed:
Aug. 05, 1999
Fujikoki Corporation, , JP;
Abstract
The expansion valve of the present invention comprises of a heat sensing shaft,equipped to the expansion valve,and a diaphragm,contacting its surface, a large stopper portion,for receiving the diaphragm,a large radius portion,movably inserted to the lower pressure activate chamber,and contacting the back surface of the stopper portion,at one end surface and the center of the other end surface formed at the projection,and a rod portion,whose one end surface fit to the projection,of the large radius portion,and the other end surface continuing from the valve means,wherein a concave,is formed on the outer peripheral of said projection,This concave,is the fitting means for fitting the resin,having low heat transmission rate to the heat sensing shaft in order to prevent the occurrence of hunting phenomenon.