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Abstract

A plasma jet ignitor apparatus for generating plasma from a plasma medium such as hydrogen and for discharging the plasma as a jet into the combustion chamber of an internal combustion engine. The apparatus has a plug which has an electrode from which a high energy spark is generated. The spark causes hydrogen which is introduced into the plasma generation cavity by a fuel line to become plasma. The plasma generation cavity is defined by magnetic field generation means. The cavity has an inlet opening adjacent the plasma generation location and an outlet orifice. The plasma is ejected as a plasma jet from the cavity from the orifice. The magnetic field generation means is disposed as a magnetic field coil wound about the cavity. The magnetic field is charged by the discharge of a capacitor at the time of the formation of the plasma in the cavity. The magnetic field accelerates the plasma out of the cavity through the orifice so that the plasma exits as a high velocity jet and achieves effective penetration. Timing means are also included for timing the introduction of hydrogen into the cavity, the discharge of the plasma generating spark and the triggering of the magnetic field.

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First Claim