Internal-combustion engines – Accessories – Covers – trays – vibrators – corrosion inhibitors – air filters
Reexamination Certificate
1999-09-21
2001-05-01
Wolfe, Willis R. (Department: 3747)
Internal-combustion engines
Accessories
Covers, trays, vibrators, corrosion inhibitors, air filters
C123S529000, C123S1980DB
Reexamination Certificate
active
06223714
ABSTRACT:
BACKGROUND OF THE INVENTION
The invention takes as its starting point a method for increasing the safety of motor-vehicle occupants in the event of a crash, by reducing fuel pressure and volume in the fuel supply system upon sensing a collision. A method for increasing the safety of motor-vehicle occupants in the event of a crash has already been disclosed (DE 31 16 867 A1). In this method, a fuel pump of a fuel supply system for the internal combustion engine is switched off with the aid of a signal from a retardation sensor of an airbag installed in the motor vehicle if the motor vehicle is involved in a crash. However, there is still fuel in fuel lines of the fuel supply system which, for example, carry fuel via a common pipe to fuel injection valves of the internal combustion engine, and this fuel may ignite in the event of a crash.
SUMMARY OF THE INVENTION
In accordance with the invention, in a motor vehicle having an internal combustion engine which has at least one fuel injection valve, a fuel supply system for the at least one injection valve, and a sensor for detecting a crash, a method for increasing the safety of motor vehicle occupants comprising the steps of detecting a crash by means of a sensor, and opening the at least one fuel injection valve to discharge fuel from a supply system of the fuel injection valve into a combustion chamber of the internal combustion engine.
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Paper entitled: “Combustion And Emissions Characteristics Of Orbital's Combustion Process Applied To Multi-Cylinder Automotive Direct Injected 4-Stroke Engines”, Rodney Houston, Geoffrey Cathcart, Orbital Engine Company, Perth, Western Autralia; 98P-136.
Anderson Alexander
Karl Gunter
Klein Rudolf
Kramer Stephan
Lautenschutz Peter
Calcaterra Mark P.
Daimler-Chrysler AG
Huynh Hai
Wolfe Willis R.
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