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:
Jun. 09, 2020
Filed:
Nov. 13, 2018
Applicant:
Deltavalve, Llc, Sandy, UT (US);
Inventor:
Paul Brent Voorhees, Sandy, UT (US);
Assignee:
DeltaValve, LLC, Sandy, UT (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10B 25/16 (2006.01); F16K 3/314 (2006.01); F16K 3/312 (2006.01); C10B 39/08 (2006.01); F16K 3/20 (2006.01);
U.S. Cl.
CPC ...
C10B 25/16 (2013.01); C10B 39/08 (2013.01); F16K 3/20 (2013.01); F16K 3/312 (2013.01); F16K 3/314 (2013.01);
Abstract
A system for sealing an unheading or isolation valve in a petroleum refining process. A bellows seal for preventing leakage of petroleum product and steam within the valve that is attached to a seat base structure and a dynamic seat that can move with the contour of a valve blind. A restrictor for restricting the motion of a dynamic seat relative to a seat base structure in a direction away from and towards the seat base structure.