US Patent 7286917 Method of detecting vehicle speed sensor failure

Patent 7286917 was granted and assigned to Detroit Diesel on October, 2007 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Detroit Diesel

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

72869171

Patent Inventor Names

Hugh Joseph Cairns1

Jeffery Scott Hawkins1

Date of Patent

October 23, 2007

Patent Application Number

111218291

Date Filed

May 4, 2005

Patent Primary Examiner

‌

Michael J Zanelli

Patent abstract

A method of detecting vehicle speed sensor failures is disclosed. The method is intended to prevent or discourage tampering with a vehicle's speed limiting system. The method includes the steps of determining whether the transmission is in neutral or whether the transmission is in its converter mode to prevent false indications of speed sensor failure under certain circumstances.