System for ignition and ion flow measurement and ion flow glow plugs for this system
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United States of America Patent
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Apr 29, 2003
Grant Date -
N/A
app pub date -
Sep 15, 1999
filing date -
Sep 15, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ion flow measurement glow plug with an electrical terminal for the ignition current of a heating element which is located in a glow tube on an end which is directed to the combustion space of an engine block. The glow tube is located in a plug housing, insulated relative to the latter, and the plug housing is electrically connected to the engine block. At a terminal-side area of the plug, a solid-state switch is integrated or modulalry arranged, which is triggered by a control signal, as a result of which the second terminal of the heating element is switched to the engine block (ground) via the plug housing.
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