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:
Aug. 23, 2005
Filed:
Nov. 27, 2002
Applicants:
Yoshihiro Fukano, Moriya, JP;
Masami Yoshida, Ryugasaki, JP;
Noriya Sasaki, Kasukabe, JP;
Inventors:
Assignee:
SMC Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K031/06 ;
U.S. Cl.
CPC ...
Abstract
A solenoid-operated valve comprises a first valve seat formed on a valve body and communicating a first port with a second port, a guide member arranged in the valve body, a second valve seat at a substantially central open portion of the guide member, a movable iron core attracted by a fixed iron core under magnetic excitation of a solenoid, a valve plug directly connected to the movable iron core, and an elastic section attached to the valve plug and seated on the first and second valve seats when the movable iron core is displaced.