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:
Jul. 19, 2022
Filed:
Nov. 02, 2018
Applicant:
Interventek Subsea Engineering Limited, Aberdeen, GB;
Inventors:
Gavin David Cowie, Banchory, GB;
John David Sangster, Westhill, GB;
Assignee:
Interventek Subsea Engineering Limited, Aberdeen, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/122 (2006.01); F15B 15/12 (2006.01);
U.S. Cl.
CPC ...
F15B 15/12 (2013.01); F16K 31/122 (2013.01);
Abstract
A rotary actuator comprises a unitary housing having a cavity therein and defining a continuous internal sealing surface. A rotary piston is located within the cavity in sealing engagement with the sealing surface of the cavity such that the rotary piston divides the cavity into isolated first and second chambers, wherein the rotary piston is arranged to rotate about a rotation axis in accordance with a pressure differential applied between the first and second chambers.