Prechamber spark plug with thermally enhanced prechamber cap

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11909178
APP PUB NO 20220285920A1
SERIAL NO

17686010

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Abstract

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A prechamber spark plug having a thermally enhanced prechamber cap with a thermally conductive core, such as one made from a copper-, aluminum- and/or silver-based material. Due to its location and function, a prechamber cap is exposed to thermal energy from a pre-combustion process taking place within a prechamber, as well as thermal energy from a combustion process taking place in a main combustion chamber. Thus, the prechamber cap is being heated on both its interior and its exterior and, if not sufficiently cooled, can become so hot that it undesirably triggers preignition events in the engine. The thermally enhanced prechamber cap may include a main body with an interior surface and an exterior surface, a thermally conductive core with one or more thermal segments and insert segments, and one or more openings extending between a prechamber and a main combustion chamber, where each opening extends through an insert segment that is designed to resistant to corrosion and/or erosion.

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Patent Owner(s)

Patent OwnerAddress
FEDERAL-MOGUL IGNITION GMBH96524 NEUHAUS-SCHIERSCHNITZ

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Golin, Michael A Dexter, US 16 89
Janas-Habu, Peter Duisburg, DE 2 2
Niessner, Werner Steinheim, DE 53 373

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