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:
Jul. 25, 2023
Filed:
Jul. 19, 2022
Applicant:
Parker-hannifin Corporation, Cleveland, OH (US);
Inventors:
Thomas K. Castle, Morristown, TN (US);
Somer R. Malone, Greeneville, TN (US);
Brian Painter, Chuckey, TN (US);
Assignee:
Parker-Hannifin Corporation, Cleveland, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
F04B 1/122 (2020.01); F04B 53/00 (2006.01); F04B 9/02 (2006.01); F04B 53/16 (2006.01); F16J 15/34 (2006.01); F04D 29/12 (2006.01); F04D 29/40 (2006.01); F04D 13/02 (2006.01); F04D 29/60 (2006.01);
U.S. Cl.
CPC ...
F04B 53/16 (2013.01); F04B 1/122 (2013.01); F04D 13/02 (2013.01); F04D 29/126 (2013.01); F04D 29/406 (2013.01); F04D 29/605 (2013.01); F16J 15/3464 (2013.01); F04B 9/02 (2013.01); F04B 53/006 (2013.01);
Abstract
An example hydraulic pump comprises: a housing; an input shaft extending from the housing; a seal disposed within the housing and positioned about the input shaft; and a seal guard member positioned about the input shaft and mounted to the housing at an interface between the input shaft and the housing, wherein the seal guard member is configured to allow rotation of the input shaft without rotating therewith.