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. 15, 2018
Filed:
Dec. 17, 2015
Applicant:
Cameron International Corporation, Houston, TX (US);
Inventors:
Johnnie Kotrla, Katy, TX (US);
Carter Erwin, Houston, TX (US);
Assignee:
CAMERON INTERNATIONAL CORPORATION, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 37/00 (2006.01); E21B 33/06 (2006.01); E21B 33/064 (2006.01);
U.S. Cl.
CPC ...
F16K 37/0041 (2013.01); E21B 33/062 (2013.01); E21B 33/064 (2013.01); F16K 37/0008 (2013.01); Y10T 137/8242 (2015.04); Y10T 137/8275 (2015.04);
Abstract
A system and method for detecting a position of a blowout preventer's closure members makes use of an indicator rod connected to a piston of the operator system and an electronic position sensor located entirely outside of a pressurized chamber of the operator system and arranged to detect a linear movement of the indicator rod.