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.

Date of Patent:
Oct. 01, 2024

Filed:

Jan. 28, 2020
Applicant:

Liebherr-mining Equipment Colmar Sas, Colmar, FR;

Inventors:

Philipp Hahn, Turckheim, FR;

Alexis Leroy, Colmar, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60W 10/06 (2006.01); E02F 9/20 (2006.01); E02F 9/22 (2006.01); F02D 29/04 (2006.01); F02D 31/00 (2006.01); F02D 41/02 (2006.01);
U.S. Cl.
CPC ...
E02F 9/2066 (2013.01); E02F 9/2246 (2013.01); F02D 29/04 (2013.01); F02D 31/001 (2013.01); F02D 41/021 (2013.01); F02D 2200/101 (2013.01);
Abstract

The present invention relates to a mobile work machine, in particular a hydraulic excavator, which comprises an engine for driving the mobile work machine, a hydraulic power generation unit which is coupled to the engine and is designed to convey a hydraulic volume in a manner which is dependent on a rotational speed of the engine, and a plurality of hydraulic elements which can be actuated by way of the conveyed volume of the hydraulic power generation unit and are assigned to various functions of the mobile work machine. The machine is characterized by a control unit for detecting a defined operating mode of the mobile work machine, wherein the control unit is designed to set the setpoint rotational speed of the engine in a manner which is dependent on the detected defined operating mode.


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