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. 09, 2024
Filed:
Sep. 07, 2021
Applicant:
Hydril Usa Distribution Llc, Houston, TX (US);
Inventors:
Alexander McAuley, Houston, TX (US);
Thuc Ngoc Nguyen, Ho Chi Minh, VN;
Claudia Leon, Houston, TX (US);
Alexander Woodruff-Hall, Houston, TX (US);
Assignee:
Hydril USA Distribution LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/064 (2006.01); E21B 21/10 (2006.01); E21B 33/035 (2006.01); E21B 33/06 (2006.01);
U.S. Cl.
CPC ...
E21B 33/064 (2013.01); E21B 21/10 (2013.01); E21B 33/0355 (2013.01); E21B 33/061 (2013.01);
Abstract
A valve for preventing hydraulic shock and water hammer in downstream equipment, the valve including a valve body with an internal oil dampening chamber, an orifice arranged within the oil dampening chamber, a flow dampener positioned between the valve inlet and the orifice, and a spring between the valve body and the orifice. The valve is pressure compensated based on the ambient fluid pressure.