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US Patent 7544148 System and method for controlling vehicle speed

Patent 7544148 was granted and assigned to Caterpillar Inc. on June, 2009 by the United States Patent and Trademark Office.

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Patent attributes

Current Assignee
Caterpillar Inc.
Caterpillar Inc.
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
75441480
Patent Inventor Names
Igor Strashny0
Michael D. Anderson0
Danial P. Simon0
Date of Patent
June 9, 2009
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Patent Application Number
113168940
Date Filed
December 27, 2005
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Patent Primary Examiner
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David D. Le
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Patent abstract

A system is provided for controlling the speed of a vehicle having a powertrain including a power plant operably coupled to a transmission. The system includes a control unit configured to receive a signal indicative of vehicle speed, receive a signal indicative of power plant output speed, and determine a desired power plant output speed based on the signal indicative of vehicle speed and the signal indicative of power plant output speed. The control unit is further configured to send a signal to the power plant such that the power plant operates at the desired power plant output speed, and maintain a desired vehicle speed in a manner substantially independent of a magnitude of load on the powertrain.

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