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:
Mar. 26, 2013
Filed:
Jul. 15, 2010
Applicants:
Josef Haupt, Tettnang, DE;
Christian Popp, Kressbronn, DE;
Thilo Schmidt, Meckenbeuren, DE;
Georg Gierer, Kressbronn, DE;
Inventors:
Josef Haupt, Tettnang, DE;
Christian Popp, Kressbronn, DE;
Thilo Schmidt, Meckenbeuren, DE;
Georg Gierer, Kressbronn, DE;
Assignee:
ZF Friedrichshafen AG, Friedrichshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 37/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A transmission oil pump for an automatic transmission of a motor vehicle. The speed of the oil pump can be shifted by a transmission (), that is arranged between the drive motor of the motor vehicle and the transmission oil pump, to a fast-running mode or a slow-running mode so that the oil pump can be operated at two different speed levels.