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:
Feb. 08, 1994
Filed:
Aug. 12, 1992
Applicant:
Inventors:
Robert K Michael, Lewisville, TX (US);
Timothy M Young, Coppell, TX (US);
Assignee:
Halliburton Company, Duncan, OK (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
251304 ; 251172 ; 251248 ;
Abstract
A surface valve with pressure energized seals and having gear actuation. The valve comprises a body with a rotating valve plate therein. The pressure energized seals provide sealing engagement between the valve plate and body. An actuation gear with a geared surface having a cam-shaped pitch line is positioned adjacent to the valve plate. An eccentrically rotated pinion gear is engaged with the actuation gear for providing rotation of the actuation gear and corresponding movement of the valve plate between open and closed positions thereof.