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:
Jun. 01, 2021
Filed:
Nov. 08, 2019
Zf Friedrichshafen Ag, Friedrichshafen, DE;
Alexander Haberstock, Ravensburg, DE;
Armin Haugg, Friedrichshafen, DE;
Thilo Schmidt, Meckenbeuren, DE;
Markus Herrmann, Scheidegg, DE;
ZF FRIEDRICHSHAFEN AG, Friedrichshafen, DE;
Abstract
A cooling prioritization valve () for a hydraulic system () of a motor vehicle transmission () includes a valve housing (), a valve slide (), an inlet (), an outlet (), and a further outlet (). A secondary system pressure circuit () of the hydraulic system () can be connected to the inlet (), a cooler () can be connected to the outlet () or to the further outlet (), and a suction loading () can be connected to the outlet () or to the further outlet (). In a starting position, the inlet () is not connected either to the outlet () or to the further outlet (). In a first control position, the inlet () is connected to the outlet (). In a second control position, the inlet () is connected to the outlet () and the further outlet ().