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:
Oct. 12, 1976
Filed:
Sep. 25, 1975
Applicant:
Inventors:
William B Gripe, Concord, CA (US);
Melvin H Norman, Oakland, CA (US);
Assignee:
Amot Controls Corporation, Richmond, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ; F16J / ;
U.S. Cl.
CPC ...
251324 ; 251D / ; 13762569 ;
Abstract
A spool valve having a ported valve chamber and a valve spool mounted for reciprocation therein and carrying an elastomeric seal ring in sliding engagement with the chamber wall for controlling fluid flow through the valve port in the wall, the seal ring having a torus portion and a flexible web co-functioning with the spool seal ring mounting groove to provide desired sealing and valving action.