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:
Jan. 18, 2022

Filed:

Aug. 23, 2019
Applicant:

Kholle Magnolia 2015, Llc, Houston, TX (US);

Inventors:

Mark C. Dille, Magnolia, TX (US);

Larry Mitchell Hill, Cypress, TX (US);

William Brent Stroebel, Houston, TX (US);

Scott Taylor Donaldson, Spring, TX (US);

E. Lee Colley, III, Jersey Village, TX (US);

Assignee:

KHOLLE Magnolia 2015, LLC, Houston, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 43/267 (2006.01); F04B 1/182 (2020.01); F04B 19/22 (2006.01); F04B 53/10 (2006.01); F04B 1/16 (2006.01); F04B 1/143 (2020.01); F04B 1/145 (2020.01); F04B 1/184 (2020.01);
U.S. Cl.
CPC ...
E21B 43/267 (2013.01); F04B 1/182 (2013.01); F04B 19/22 (2013.01); F04B 53/1027 (2013.01); F04B 1/143 (2013.01); F04B 1/145 (2013.01); F04B 1/16 (2013.01); F04B 1/184 (2013.01);
Abstract

Frac pumps have a fluid end and a fluid end block. The fluid end block has a plunger cylinder having a primary axis, a suction bore having a primary axis, a discharge bore, and a pump chamber. The pump chamber is defined by the intersection of the plunger cylinder, the suction bore, and the discharge bore. The fluid end block has a cylindrical portion extending along the primary axis of the suction bore. The cylindrical portion has a diameter greater than the diameter of the plunger cylinder. The pump chamber also has a ridge that extends radially inward from the walls of the pump chamber in a plane normal to the suction bore primary axis.


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