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. 14, 2020
Filed:
Jul. 22, 2016
Applicant:
Zf Friedrichshafen Ag, Friedrichshafen, DE;
Inventors:
Alexander Paul, Oberteuringen, DE;
Bernd Lutz, Uhldingen-Mühlhofen, DE;
Assignee:
ZF FRIEDRICHSHAFEN AG, Friedrichshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 61/00 (2006.01); F16H 61/02 (2006.01);
U.S. Cl.
CPC ...
F16H 61/0025 (2013.01); F16H 61/0206 (2013.01); B60Y 2300/18016 (2013.01); F16H 2061/0034 (2013.01); F16H 2312/14 (2013.01);
Abstract
A hydraulic system () of an automatic transmission of a motor vehicle includes a hydraulic pump () powered by a drive engine for supplying pressure to the hydraulic system (). A hydraulic reservoir () by which, when the drive engine is at rest, a pressure drop in a main pressure circuit () of the hydraulic system () can at least be delayed. The hydraulic reservoir () is connected to the main pressure circuit () by way of an orifice () or a throttle.