Vehicle Speed Limiting System
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United States of America Patent
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Issued Date -
Feb 28, 2013
app pub date -
Apr 19, 2011
filing date -
Apr 27, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system for regulating the maximum speed of a vehicle (10) having wheels (11, 12) fitted with tyres and driven from an engine (13) via a driveline (14, 15, 16) with a total overall gear ratio, the system including a means such as a GPS or radar based system for determining the actual vehicle speed of the vehicle without using a calculation based on engine speed. A control unit (18) is also provided which adjusts the engine speed and/or overall driveline gear ratio so that the maximum speed which the vehicle can attain remains substantially constant at a predetermined value irrespective of the diameter of the tyres fitted to the wheels.
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