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:
Jul. 14, 1998
Filed:
Feb. 21, 1997
Applicant:
Inventors:
Yoshihiro Fukano, Ibaraki-ken, JP;
Tetsuro Maruyama, Ibaraki-ken, JP;
Tadashi Uchino, Ibaraki-ken, JP;
Masaaki Ono, Ibaraki-ken, JP;
Yuzuru Okita, Ibaraki-ken, JP;
Assignee:
SMC Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
251331 ; 251 64 ;
Abstract
A two-way valve has a poppet valve displaceably disposed in a bonnet for selectively opening and closing a communication passage between primary and secondary ports, and a resilient member disposed in a diaphragm chamber defined between the bonnet and the poppet valve and resiliently deformable for dampening a load applied to a diaphragm of the poppet valve which is exposed to the communication passage.