Cylinder head and engine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11242819
APP PUB NO 20210254579A1
SERIAL NO

17041199

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A cylinder head includes: a cylinder head body that includes a lower deck, an upper deck defining a first cooling water space together with the lower deck, and valve hole-forming walls; a rocker housing that includes a rocker-side wall formed integrally with the cylinder head body; an expansion wall portion that expands from the cylinder head body and defines a second cooling water space communicating with the first cooling water space and extending up to a position over the upper deck; and an EGR passage-forming portion that is provided in the second cooling water space.

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Patent Owner(s)

Patent OwnerAddress
KOMATSU LTD2-3-6 AKASAKA MINATO-KU TOKYO 107-8414

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kageyama, Yuuki Tokyo, JP 3 4
Miki, Akihiro Tokyo, JP 12 18

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