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.

Date of Patent:
Aug. 13, 2013

Filed:

Feb. 04, 2010
Applicants:

Edward Leugemors, Needville, TX (US);

Rajesh Luharuka, Stafford, TX (US);

Toshimichi Wago, Tokyo, JP;

Philippe Gambier, La Defense, FR;

Jean-louis Pessin, Amiens, FR;

Aparna Raman, Houston, TX (US);

Inventors:

Edward Leugemors, Needville, TX (US);

Rajesh Luharuka, Stafford, TX (US);

Toshimichi Wago, Tokyo, JP;

Philippe Gambier, La Defense, FR;

Jean-Louis Pessin, Amiens, FR;

Aparna Raman, Houston, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 39/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for operating at least one pump in a pump assembly comprises providing a pump assembly comprising a fluid end and a power end, the fluid end in communication with a fluid source and at least one downstream destination and comprising a pump housing for a pressurizable chamber, at least one valve for controlling fluid communication with the chamber, the at least one valve defining a normal duration of allowing fluid communication with the chamber during operation of the pump assembly, providing a valve actuation guide external to the chamber, the valve actuation guide coupled to the valve and operable to assist in controlling fluid communication with the chamber, operating the pump assembly, and actuating the valve actuation guide to change an aspect of the valve duration.


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