Engine combustion chamber structure, and inner wall structure of through channel

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United States of America Patent

PATENT NO 9284911
APP PUB NO 20140290617A1
SERIAL NO

14291160

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Abstract

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Provided is an engine combustion chamber structure. Also provided is an inner wall structure for a through channel, through which exhaust gas or intake gas of the engine passes. An engine combustion engine structure is provided with a heat-insulating member on the inner wall of an engine constituent member which constitutes an engine combustion chamber, the heat-insulating member containing a heat-insulating porous layer formed from ceramics, and a surface dense layer formed on the surface of the heat-insulating porous layer and formed from ceramics. The surface dense layer of the heat-insulating member has an open porosity of 5% or less, and preferably the heat-insulating porous layer has a larger open porosity than the open porosity of the surface dense layer.

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Patent Owner(s)

Patent OwnerAddress
NGK INSULATORS LTDNAGOYA-CITY 2-56 SUDA-CHO MIZUHO-KU AICHI-PREFECTURE 467-8530

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hashimoto, Shigeharu Aichi-prefecture, JP 27 350
Ichimura, Mikiya Aichi-prefecture, JP 44 220
Tomita, Takahiro Aichi-prefecture, JP 80 469

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