Cooling of the spark plug with improved contact surface
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United States of America Patent
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Oct 18, 2022
Grant Date -
N/A
app pub date -
Dec 19, 2019
filing date -
Dec 20, 2018
priority date (Note) -
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Abstract
The present invention pertains to a spark plug for an internal combustion engine, comprising a metal outer shell extending in a longitudinal direction from a proximal end to a distal tip end configured to be oriented towards a combustion chamber, said outer shell comprising a fixation portion for attachment of the spark plug to a metal sleeve of the internal combustion engine and arranged at a region proximal of the tip end, wherein the outer shell furthermore comprises a first contact surface arranged at a region distal of the fixation portion and configured to contact a distal end of the sleeve, when the spark plug is attached to the sleeve.
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