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. 27, 2006
Filed:
Mar. 11, 2004
Bernd Aumann, Amtzell, DE;
Bernd Aumann, Amtzell, DE;
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
In a drive train for a working machine, in particular, a wheel loader, the driving speed is preselected via a driving pedal () and the working hydraulic system is actuated via a selector lever (), whose signals are fed to an electronic control unit () which regulates a drive engine () and a clutch () arranged between the drive engine () and a pump impeller () of a hydrodynamic torque converter in such a manner that an auxiliary drive () for a pump () of the working hydraulic system is operated at a sufficient speed, while the preselected driving speed is not exceeded.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile