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:
Jun. 02, 2020

Filed:

May. 23, 2018
Applicant:

Caterpillar Inc., Deerfield, IL (US);

Inventors:

Matthew M. Tinker, Peoria, IL (US);

Michael A. Spielman, Brookfield, IL (US);

Eric Cler, Oswego, IL (US);

Aaron R. Shatters, Montgomery, IL (US);

Austin J. Scott, Naperville, IL (US);

Jeffrey K. Berry, Yorkville, IL (US);

Sairam G. Velamakanni, Peoria, IL (US);

Assignee:

Caterpillar Inc., Peoria, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 9/20 (2006.01); E02F 3/43 (2006.01); E02F 9/22 (2006.01); E02F 3/28 (2006.01);
U.S. Cl.
CPC ...
E02F 3/431 (2013.01); E02F 3/283 (2013.01); E02F 9/2004 (2013.01); E02F 9/2029 (2013.01); E02F 9/22 (2013.01);
Abstract

A system for controlling an earth moving machine may comprise: a speed sensor configured to communicate a speed signal indicative of a speed of the machine; an operator bucket lift command input configured to communicate an operator-input bucket lift command; and a controller configured to: receive the speed signal and the operator-input bucket lift command; determine a torque of the machine; using the speed signal and the determined torque, determine a controller-generated bucket lift command; and provide a bucket lift command which is the larger of the operator-input bucket lift command and the controller-generated bucket lift command.


Find Patent Forward Citations

Loading…