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. 11, 2001
Filed:
Feb. 02, 2000
Applicant:
Inventors:
Shinji Miyazoe, Tsukuba-gun, JP;
Hiroyuki Katsuta, Tsukuba-gun, JP;
Masamichi Tajima, Tsukuba-gun, JP;
Assignee:
SMC Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G05D 1/606 ; F16K 1/42 ;
U.S. Cl.
CPC ...
G05D 1/606 ; F16K 1/42 ;
Abstract
A regulator for adjusting the pressure of a pressurized fluid wherein when a valve seat is fitted with a seat holder in a compressed state wherein excessive deformation of the valve seat due to a compressing reaction force is eliminated by the provision of a recessed groove is formed in the outer periphery of the valve seat. A compressing force by the seat holder is absorbed by compression deformation of the valve seat in the recessed groove portion of the valve seat.