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:
May. 16, 2006
Filed:
Feb. 06, 2004
Applicant:
Fritz Leber, Friedrichshafen, DE;
Inventor:
Fritz Leber, Friedrichshafen, DE;
Assignee:
ZF Friedrichshafen AG, Friedrichshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 45/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
To achieve precise control of a clutch arranged inside a converter housing () and which connects the converter housing () to a pump impeller wheel (), the converter's internal pressure, which acts on a piston () of the actuation device of a clutch (), is determined by a pressure sensor () and the actuation pressure, which acts on the piston () in the opposite direction, is adjusted accordingly.