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. 04, 2023
Filed:
Feb. 20, 2019
Zf Friedrichshafen Ag, Friedrichshafen, DE;
Ralf Wittstadt, Niederwerrn, DE;
Katja Willacker, Wiesentheid, DE;
Jochen Wittmann, Burkardroth, DE;
Stefan Reuter, Hammelburg, DE;
Andre Grübel, Königsberg, DE;
Matthias Ebert, Himmelstadt, DE;
ZF FRIEDRICHSHAFEN AG, Friedrichshafen, DE;
Abstract
An insulating unit for an electric machine with hairpin winding. The hairpin winding has a plurality of connection pins for electrically connecting to an interconnect and a plurality of welded hairpin ends. A base body is provided having an insulating material and extends at least over a portion of the circumference of the hairpin winding. The base body has a receiving area which faces the hairpin winding and which has openings for receiving the hairpin ends. The dividing walls are provided between the openings in circumferential direction, and the openings and/or dividing walls have fasteners for engaging connection to the hairpin ends.