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:
May. 06, 1980
Filed:
Apr. 16, 1979
Applicant:
Inventor:
James T Watts, Fullerton, CA (US);
Assignee:
Grant Oil Tool Company, Los Angeles, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
277165 ; 2771 / ; 277205 ;
Abstract
This invention discloses a seal assembly for use in high and/or low pressure applications which allow for selective bleeding in a given direction of fluid flow. The seal assembly includes a resilient seal ring, a split spacer ring, and a split back-up ring, all interacting in a manner such that when subjected to pressure from one direction, the resilient seal ring pivots about the spacer ring, permitting bleeding of fluid across the seal. When subjected to pressure from the opposite direction, the resilient seal ring is forced against the split back-up ring, thereby forming a tight seal, preventing leakage.