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:
Feb. 17, 2026
Filed:
Jun. 13, 2022
Zf Friedrichshafen Ag, Friedrichshafen, DE;
Michael Trübenbach, Friedrichshafen, DE;
Horst Leichsenring, Friedrichshafen, DE;
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
A traction drive for propelling a vehicle includes first and second drive components (*) that generate heat during operation. A cooling system for tempering the drive components (*) has a first cooling circuit (), a second cooling circuit (), and a heat exchanger (). The heat exchanger () is designed to transfer heat between the first and second cooling circuits (). The first cooling circuit () passes through the first drive component (*) in order to temper the first drive component (*) and the second cooling circuit () passes through the second drive component (*) in order to temper the second drive component (*). A valve () is arranged in the first cooling circuit () for adjusting the flow of coolant from the first cooling circuit () through the heat exchanger ().