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:
Feb. 16, 2021
Filed:
Oct. 22, 2013
Applicant:
Liebherr-hydraulikbagger Gmbh, Kirchdorf/Iller, DE;
Inventors:
Johannes Lang, Altenstadt, DE;
Bernhard Meitinger, Buxheim, DE;
Assignee:
Liebherr-Hydraulikbagger GmbH, Kirchdorf/Iller, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 9/22 (2006.01); B60W 10/06 (2006.01); F04B 49/10 (2006.01); F16H 61/4061 (2010.01); B60K 31/00 (2006.01); F16H 61/431 (2010.01); F16H 61/421 (2010.01); F16H 61/47 (2010.01);
U.S. Cl.
CPC ...
B60W 10/06 (2013.01); B60K 31/00 (2013.01); E02F 9/2253 (2013.01); F04B 49/103 (2013.01); F16H 61/4061 (2013.01); F16H 61/421 (2013.01); F16H 61/431 (2013.01); F16H 61/47 (2013.01); F15B 2211/20546 (2013.01); F15B 2211/3054 (2013.01); F15B 2211/6346 (2013.01); F15B 2211/6355 (2013.01); F15B 2211/6651 (2013.01); F15B 2211/7058 (2013.01);
Abstract
The present disclosure relates to an apparatus for controlling/regulating the travel speed of a utility vehicle comprising at least one drive motor, at least one hydraulic pump, at least one control slide valve, at least one hydraulic travel motor, at least one further hydraulic drive, as well as at least one controller. In accordance with the present disclosure, the travel speed of the at least one hydraulic travel motor is controlled/regulated via at least the speed of the drive motor, while the at least one further hydraulic drive does not provide any drive power.