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:
May. 01, 2012

Filed:

May. 13, 2008
Applicants:

Randall B. Blum, Peoria, IL (US);

Douglas J. Carlton, Peoria, IL (US);

Jordan T. Thomas, Pekin, IL (US);

Geoffrey D. Ginzel, Peoria, IL (US);

Inventors:

Randall B. Blum, Peoria, IL (US);

Douglas J. Carlton, Peoria, IL (US);

Jordan T. Thomas, Pekin, IL (US);

Geoffrey D. Ginzel, Peoria, IL (US);

Assignee:

Caterpillar Inc., Peoria, IL (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B63H 21/21 (2006.01);
U.S. Cl.
CPC ...
Abstract

A vehicle control system includes a first powertrain, a second powertrain, and a third powertrain. The first powertrain includes a first power source. The second powertrain includes a second power source. The third powertrain includes a third power source. The vehicle control system also includes an operator control interface. The operator control interface includes a first portion configured to receive a first operator input and a second portion configured to receive a second operator input. The first operator input and the second operator input are indicative of a desired speed and a desired direction. The vehicle control system additionally includes a controller configured to deliver a power control signal to at least one of the first powertrain, the second powertrain, and the third powertrain. The power control signal is a function of the first operator input and the second operator input.


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