Prechamber sparkplug assembly having sparkplug housing structured for liquid cooling
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United States of America Patent
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Dec 6, 2022
Grant Date -
N/A
app pub date -
Sep 17, 2021
filing date -
Sep 17, 2021
priority date (Note) -
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Abstract
A prechamber sparkplug assembly includes a sparkplug, and a sparkplug housing having a prechamber tip. The sparkplug housing includes a plug bore centered on a longitudinal axis of the sparkplug housing and receiving the sparkplug, an inside radial wall extending around the plug bore, and an outside radial wall. A cooling cavity is formed between the inside radial wall and the outside radial wall. Coolant ports extend through the outside radial wall and fluidly connect to the cooling cavity to place the cooling cavity in fluid communication with a water jacket in a cylinder head.
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