GLOW PLUG
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United States of America Patent
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-
N/A
Issued Date -
Nov 20, 2014
app pub date -
May 13, 2014
filing date -
May 15, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
This disclosure relates to a glow plug comprising a housing and a glow pencil protruding from the housing. The glow pencil has a metal sleeve in which a heating coil and a control coil are arranged. The metal sleeve has a first portion surrounding at least part of the heating coil and a second portion surrounding at least part of the control coil. The first portion has a smaller wall thickness than the second portion. Also disclosed is an inventive method for producing a glow pencil for a glow plug.
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