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Design and Evaluation of a Novel Spark-Plug Based on a Microwave Coaxial Resonator
K. Linkenheil1, H.-O. Ruoß1, W. Heinrich2
1 Robert Bosch GmbH, Robert-Bosch-Platz 1, 70839 Gerlingen-Schillerhöhe, Germany
2 Ferdinand-Braun-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Straße 4, D-12489 Berlin, Germany
Published in:
Dig. 34th European Microwave Conference, Amsterdam, 2004, p. 1561-1564.
Abstract:
Innovative automotive engine concepts using
direct gasoline injection demand for new ignition concepts.
A novel spark-plug concept based on a microwave coaxial
resonator is proposed, which generates a free-standing
plasma flame. In this paper, design and realization of such a
quarter-wave resonator at 2.45 GHz is presented and first
experimental results are given showing the plasma-ignition
properties of this resonator.
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