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. 27, 2014
Filed:
Jun. 15, 2010
Don Coonrod, Katy, TX (US);
Melvyn F. Whitby, Houston, TX (US);
Gerrit M. Kroesen, Friendswood, TX (US);
Ronald W. Webb, Houston, TX (US);
Mac M. Kennedy, Houston, TX (US);
Katherine Harvey, Houston, TX (US);
David Gonzalez, Houston, TX (US);
Thomas M. Bell, Houston, TX (US);
James W. Wilkirson, Friendswood, TX (US);
Don Coonrod, Katy, TX (US);
Melvyn F. Whitby, Houston, TX (US);
Gerrit M. Kroesen, Friendswood, TX (US);
Ronald W. Webb, Houston, TX (US);
Mac M. Kennedy, Houston, TX (US);
Katherine Harvey, Houston, TX (US);
David Gonzalez, Houston, TX (US);
Thomas M. Bell, Houston, TX (US);
James W. Wilkirson, Friendswood, TX (US);
Cameron International Corporation, Houston, TX (US);
Abstract
In at least some embodiments, an apparatus includes a hydraulic directional control manifold and a plurality of electric piezopumps. The apparatus also includes an electric piezopump controller that operates the plurality of electric piezopumps in varying combinations to provide generation and directional control of hydraulic power to linear hydraulic actuators using localized closed-loop hydraulic fluid.