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:
Apr. 18, 2023
Filed:
Sep. 29, 2020
Applicant:
Extract Management Company, Llc, Tulsa, OK (US);
Inventors:
Kevin Bierig, Tulsa, OK (US);
James Gardner, Tulsa, OK (US);
Assignee:
Extract Management Company, LLC, Tulsa, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 13/08 (2006.01); F04D 29/60 (2006.01); F04D 29/046 (2006.01);
U.S. Cl.
CPC ...
F04D 13/086 (2013.01); F04D 29/0462 (2013.01); F04D 29/606 (2013.01); F05B 2240/52 (2013.01);
Abstract
A thrust box with improved cooling comprises a case having an interior, a first passageway and an opposing second passageway. A shaft passes through the case and the first and second passageway. A thrust runner is secured to the shaft and a pump ring is attached to the thrust runner. Advantageously, the pump ring facilitates oil rate circulation and cooling among other benefits.