Cylinder head, cylinder block, internal combustion engine, and method for manufacturing cylinder head

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United States of America Patent

PATENT NO 11994084
APP PUB NO 20230128222A1
SERIAL NO

17911861

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Abstract

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The present invention suppresses leakage of combustion gas from a contact surface. A cylinder head (20) is attached to a cylinder block. The surface (26) of the side of the cylinder head (20) that is attached to the cylinder block includes a first region (AH1) and a second region (AH2) that has higher hardness than the first region (AH1).

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER LTD3000 TANA CHUO-KU SAGAMIHARA-SHI KANAGAWA 252-5293

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Iizumi, Masayuki Kanagawa, JP 2 0
Katayama, Ryuji Kanagawa, JP 7 0
Kawashima, Motoi Kanagawa, JP 2 0
Kumagai, Takuya Kanagawa, JP 6 29
Narita, Hideho Kanagawa, JP 2 0
Sakaguchi, Makoto Kanagawa, JP 29 128
Sawazaki, Kazunori Kanagawa, JP 2 0

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