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:
Apr. 10, 2018
Filed:
Apr. 08, 2013
Applicant:
University of Houston, Houston, TX (US);
Inventors:
John M. Alred, Seabrook, TX (US);
Amnah Kudia, Sugar Land, TX (US);
Javier Villarreal, Houston, TX (US);
Hilario Torres, Houston, TX (US);
Gangbing Song, Pearland, TX (US);
Devendra Patil, Houston, TX (US);
Assignee:
University of Houston, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/06 (2006.01); F16K 31/122 (2006.01); E21B 33/035 (2006.01); E21B 41/00 (2006.01); F15B 21/06 (2006.01);
U.S. Cl.
CPC ...
F16K 31/06 (2013.01); E21B 33/0355 (2013.01); E21B 41/00 (2013.01); F15B 21/065 (2013.01); F16K 31/122 (2013.01);
Abstract
A system, including a flow control system, including a valve, a first cylinder including a piston coupled to the valve, wherein the piston moves axially within the first cylinder to transition the valve between open and closed positions, a magnetorheological (MR) fluid within the first cylinder configured to axially move the piston, and an MR fluid device configured to magnetize the MR fluid to control axial movement of the piston.