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:
Jan. 22, 2019
Filed:
Sep. 26, 2014
Saint-gobain Performance Plastics Corporation, Solon, OH (US);
Jon M. Lenhert, Brea, CA (US);
Aaron V. Gordon, Anaheim, CA (US);
SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION, Solon, OH (US);
Abstract
A bi-directional cryogenic rotary valve having a housing defining a fluid passageway, a control member rotatably disposed within the fluid passageway, and a seal assembly positioned along an inner surface of the housing to provide a bubble tight seal between the housing and the control member. The rotary valve adapted to operate at or near cryogenic temperatures (i.e., at −160° C.) while maintaining an effective seal in both the forward and reverse directions. The rotary valve being capable of retrofitting against wear and operational stress sustained from repeated use and operation.