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. 09, 2004
Filed:
Jan. 08, 2002
Applicant:
Inventors:
Assignee:
Bosch Rexroth AG, Lohr am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60K 1/7356 ;
U.S. Cl.
CPC ...
B60K 1/7356 ;
Abstract
The invention relates to a hydrostatic traveling mechanism ( ) that comprises a closed hydraulic circuit ( ) in which a first hydraulic pump ( ) with a first hydraulic engine ( ) is linked with a flow pipe ( ) and a return pipe ( ). Said hydraulic engine ( ) drives the vehicle wheels ( ) of two first vehicle axles ( ). According to the invention, an additional open hydraulic circuit ( ) is used in which a second hydraulic engine ( ) and a third hydraulic engine ( ) are linked with a second hydraulic pump ( ) via a supply pipe ( ) and a control valve ( ). Said second hydraulic engine ( ) and said third hydraulic engine ( ) drive the vehicle wheels ( ) of a second vehicle axle ( ).