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:
Aug. 30, 2022
Filed:
Sep. 06, 2018
Zf Friedrichshafen Ag, Friedrichshafen, DE;
Rainer Novak, Bregenz, AT;
Tobias Pfleger, Markdorf, DE;
ZF FRIEDRICHSHAFEN AG, Friedrichshafen, DE;
Abstract
A hydraulic system (HY) for a motor vehicle transmission (G) includes at least one pump (P), two pump output lines (P, P) for supplying a first pressure circuit () and a second pressure circuit (), and an electromagnetically actuated, first pressure control valve (EDS), the inlet (EDS) of which is connected to the first pressure circuit () and the outlet (EDS) of which is connected to a first control surface (PVC) of a spring-loaded shut-off valve (PV). The shut-off valve (PV) is configured for connecting, in a non-actuated condition, the second pump output line (P) to the second pressure circuit () and, in the condition actuated via the first control surface (PVC), disconnecting the second pump output line (P) from the second pressure circuit (). A motor vehicle transmission (G) including such a hydraulic system (HY) and a drive train including such a motor vehicle transmission (G) are also provided.