Piston for an internal combustion engine

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United States of America Patent

PATENT NO 9109530
APP PUB NO 20140290618A1
SERIAL NO

14130584

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to a piston (10, 110, 210) for an internal combustion engine, comprising a piston head (11, 111, 211) and a piston skirt, the piston head (11, 111, 211) having a circumferential ring section (15, 115, 215) and a circumferential cooling channel (16, 116, 216) in the region of the ring section (15, 115, 215). The cooling channel has a cooling channel floor (17, 117, 217) and a cooling channel ceiling (18, 118, 218). According to the invention, the cooling channel (16, 116, 216) has a narrowing (20, 120, 220).

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First Claim

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Patent Owner(s)

Patent OwnerAddress
MAHLE INTERNATIONAL GMBH70376 STUTTGART

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bischofberger, Ulrich Esslingen, DE 35 181

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