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. 21, 2001
Filed:
May. 03, 2000
Heinz-Gerhard Essig, Lonsee, DE;
Chris Shrive, Dunfermline, GB;
Brueninghaus Hydromatik GmbH, Elchingen, DE;
Abstract
A hydrostatic vehicle drive (,) comprises a first hydropump (,) and a second hydropump (,) as well as a first hydromotor (,) and a second hydromotor (,). The hydromotors (,) each drive separate drive lines. During straight-ahead travel operation, the hydropumps (,) and the hydromotors (,) are coupled to one another in a single, closed hydraulic circuit without crossed connections in such a manner that an input connection (,) of the first hydromotor (,) is connected to an output connection (,) of the first hydropump (,) and an input connection (,) of the second hydropump (,) is connected to an output connection (,) of the first hydromotor (,). An input connection (,) of the second hydromotor (,) is connected to an output connection (,) of the second hydropump (,), whilst an input connection (,) of the first hydropump (,) is connected to an output connection (,) of the second hydromotor (,).