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:
Dec. 31, 2024
Filed:
Sep. 07, 2023
Parker-hannifin Corporation, Cleveland, OH (US);
Parker Hannifin Emea S.à.r.l., Etoy, CH;
Raimund Pelz, Chemnitz, DE;
Maximilian Keil, Chemnitz, DE;
Kyle J. Myers, Hilliard, OH (US);
David E. N. Mack, New Ulm, MN (US);
Fredrik Magnusson, Trollhättan, SE;
Omer Khaleeq Kayani, Vänersborg, SE;
Parker-Hannifin Corporation, Cleveland, OH (US);
PARKER HANNIFIN EMEA S.À.R.L., Etoy, CH;
Abstract
A system includes an electric machine and a hydraulic unit. The electric machine includes a first shaft. The hydraulic unit includes a second shaft and a leakage oil chamber. The first shaft and the second shaft are connected to one another to form the shaft-hub connection. The shaft-hub connection has a central recess and is connected fluidically to the interior of the hydraulic unit for lubrication. The central recess adjoins at least one transverse channel. The at least one transverse channel extends from the central recess to an external circumference of the shaft-hub connection.