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:
Mar. 01, 2022
Filed:
Apr. 07, 2017
Applicant:
Parker-hannifin Corporation, Cleveland, OH (US);
Inventors:
Jason Scot Richardson, Chuckey, TN (US);
Thomas Kevin Castle, Morristown, TN (US);
Assignee:
Parker-Hannifin Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/32 (2006.01); F04D 29/70 (2006.01); F16H 61/4165 (2010.01);
U.S. Cl.
CPC ...
F04D 29/329 (2013.01); F04D 29/703 (2013.01); F16H 61/4165 (2013.01);
Abstract
A cooling fan or use with a hydraulic pump having an input shaft in a hydrostatic transmission includes a rotatable hub having a central body portion and an axially extending peripheral surface and a plurality of blades that extend radially outward from the peripheral surface. The cooling fan also includes an attachment aperture defined by the central body portion and an integral flange that axially extends from the central body portion. The integral flange defines a guard space having an area that is less than an area defined by the peripheral surface.