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:
Jun. 04, 2024

Filed:

Jun. 11, 2021
Applicant:

Stewart & Stevenson Llc, Houston, TX (US);

Inventors:

Jeff Rother, Oklahoma City, OK (US);

Brent Finley, Oklahoma City, OK (US);

Assignee:

STEWART & STEVENSON LLC, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/26 (2006.01); F04B 17/03 (2006.01); F04B 17/05 (2006.01); F04B 17/06 (2006.01); F04B 49/06 (2006.01); F04B 53/08 (2006.01); F04B 53/18 (2006.01); F02B 63/04 (2006.01);
U.S. Cl.
CPC ...
E21B 43/2607 (2020.05); F04B 17/03 (2013.01); F04B 17/05 (2013.01); F04B 17/06 (2013.01); F04B 49/065 (2013.01); F04B 53/08 (2013.01); F04B 53/18 (2013.01); F02B 63/047 (2013.01); F04B 2205/09 (2013.01);
Abstract

A frac system includes an engine, the engine having a crankshaft and a radiator. The radiator includes a radiator cooling fan. The frac system also includes a transmission coupled to the engine and a frac pump coupled to the transmission, the frac pump including a frac pump lubricating oil pump. The frac system further includes a traction drive motor system. The traction drive motor system includes a first set of traction drive motors, the first set of traction drive motors mechanically connected to the crankshaft. The traction drive motor system also includes a second set of traction drive motors, the second set of traction drive motors mechanically connected to the radiator cooling fan. In addition, the traction drive motor system includes third set of traction drive motors, the third set of traction drive motors mechanically connected to the frac pump lubricating oil pump.


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