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:
May. 16, 2023

Filed:

Feb. 08, 2021
Applicant:

Schaeffler Technologies Ag & Co. KG, Herzogenaurach, DE;

Inventors:

Kyle DeHoff, Canal Fulton, OH (US);

Chris Luipold, Wadsworth, OH (US);

Jeffrey Hemphill, Copley, OH (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C 2/10 (2006.01); F04C 2/08 (2006.01); F04C 14/22 (2006.01); F04D 13/06 (2006.01); F04C 2/12 (2006.01);
U.S. Cl.
CPC ...
F04C 2/126 (2013.01); F04C 2/08 (2013.01); F04C 2/10 (2013.01); F04C 2/102 (2013.01); F04D 13/06 (2013.01); F04C 2240/10 (2013.01); F04C 2240/20 (2013.01); F04C 2240/40 (2013.01); F04C 2240/50 (2013.01); F04C 2240/60 (2013.01);
Abstract

A split power gerotor pump includes a rotational axis, a shaft, an inner gerotor, an eccentric pocket, and an outer gerotor. The inner gerotor is rotationally fixed on the shaft, rotatable about the rotational axis, and includes n first lobes. The eccentric pocket is rotatable about the rotational axis, and includes a cylindrical bore with a center radially offset from the rotational axis and an outer surface, disposed radially outside of the cylindrical bore and arranged for direct engagement with a gear or a rotor for an electric motor. The outer gerotor includes a cylindrical outer surface installed in the cylindrical bore and n+1 second lobes.


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