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:
Aug. 02, 2016

Filed:

Jun. 13, 2014
Applicant:

Caterpillar Inc, Peoria, IL (US);

Inventors:

Joseph L. Faivre, Edelstein, IL (US);

Bradley Krone, Dunlap, IL (US);

Assignee:

Caterpillar Inc., Peoria, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 3/84 (2006.01); B62D 6/00 (2006.01); E02F 9/26 (2006.01); E02F 9/22 (2006.01); B62D 11/18 (2006.01); E02F 3/43 (2006.01); B62D 12/00 (2006.01); E02F 9/20 (2006.01); E02F 3/76 (2006.01);
U.S. Cl.
CPC ...
E02F 3/844 (2013.01); B62D 6/002 (2013.01); B62D 11/183 (2013.01); E02F 3/432 (2013.01); E02F 3/434 (2013.01); E02F 3/436 (2013.01); E02F 3/437 (2013.01); E02F 9/225 (2013.01); E02F 9/265 (2013.01); B62D 12/00 (2013.01); E02F 3/7663 (2013.01); E02F 9/2012 (2013.01); E02F 9/2041 (2013.01);
Abstract

A system and method are provided for assisting a machine operator in controlling a work tool of the machine. In an embodiment, the work tool is set at a first height and the machine is travelling at a first machine speed, resulting in a first work tool or machine load. Based on these factors, a first work tool control mode or second work tool control mode is chosen. In the first work tool control mode, the work tool is manually controlled within a load limit and a work tool height limit, whereas in the second work tool control mode, the work tool load is controlled toward the first work tool load. Based on operator inputs and machine state, as well as other factors such as ground surface, the machine may switch between control modes, or out of automatic work tool control entirely.


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