Anti-theft and anti-hijacking system for motor vehicles

Details Anti-theft and anti-hijacking system for motor vehicles Anti-theft and anti-hijacking system for motor vehicles

1994-11-02

1996-02-27

Rice, Kenneth R.

Motor vehicles

With means for promoting safety of vehicle, its occupant or...

By preventing unauthorized or unintended access or use

180273, B60R 2500

Patent

active

054941300

ABSTRACT:
A system for preventing theft and hijacking of a motor vehicle. The system comprises a fuel cut-off valve operative to prevent the flow of fuel to the vehicle engine. The fuel cut-off valve is in communication with the vehicle ignition such that activation of the vehicle ignition will cause the fuel cut-off valve to close, unless a vehicle run switch is actuated contemporaneous with or immediately after the vehicle ignition. The vehicle run switch is preferably concealed from view and/or coded and/or keyed to limit its accessibility to only authorized operators of the vehicle. Additionally, to prevent hijacking, the system incorporates a driver's heat sensor capable of sensing when a human body is seated in the driver's seat. When the sensor determines that the driver's body has been removed from the driver's seat for more than a minimum time period (e.g., 3 seconds) a controller/timer will begin timing a predetermined delay period. At the end of the delay period, the controller/timer will cause the fuel cut-off valve to stop the flow of fuel to the vehicle engine, thereby stalling the engine. The delay period is preferably long enough to allow the vehicle to be driven a safe distance away from the scene of the hijacking.

REFERENCES:
patent: 4928506 (1990-05-01), Radziewicz
patent: 4991683 (1991-02-01), Garretto et al.
patent: 5045837 (1991-09-01), Gosker
patent: 5193641 (1993-03-01), Durrell
patent: 5307048 (1994-04-01), Sonders
patent: 5335748 (1994-08-01), Wilson

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