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:
Nov. 19, 2019
Filed:
Sep. 06, 2017
Doseo Park, Houston, TX (US);
Zhi Yong He, Cypress, TX (US);
Doseo Park, Houston, TX (US);
Zhi Yong HE, Cypress, TX (US);
BAKER HUGHES, A GE COMPANY, LLC, Houston, TX (US);
Abstract
A sealing assembly includes a flow control body and a sealing device configured to engage the flow control body to prevent fluid flow through the sealing assembly. The sealing device includes a primary engagement feature configured to contact the flow control body upon engagement of the sealing device with the flow control body, the primary engagement feature having a front surface exposed to the fluid, and a secondary engagement feature disposed behind the primary engagement feature relative to the exposed surface, the primary engagement feature and the secondary engagement feature forming a cavity therebetween, the cavity configured to create a pressure drop in response to a leak of the fluid through the primary engagement feature.