发明名称 |
INTERNAL COMBUSTION ENGINE |
摘要 |
An internal combustion engine having a cylinder block made of a light-alloy with a cylinder wall around a cylinder bore including a cylindrical fiber-reinforced portion which is formed of a mixture of an alumina-based fiber and a carbon fiber with a light-alloy matrix. The alumina-based fiber has a fiber volume fraction set in a range of 8 to 20%, and the carbon fiber has a fiber volume fraction set in a range of 0.3 to 15%. The alumina-based fiber contains 25% or less, by weight, of silica, has an average aspect ratio of 20 to 150, and an alpha rate of 2 to 60%. The carbon fiber has an average aspect ratio set in a range of 10 to 100 and a Young's modulus set in a range of 20 to 30 t/mm2. The piston for the cylinder bore has an iron-plated layer covered by a tin-plated layer. The piston rings for the piston may be of austenitic stainless steel to provide thermal expansion characterics similar to the cylinder wall and may be provided with a nitride or chromium-plated layer. |
申请公布号 |
GB2193786(B) |
申请公布日期 |
1990.10.31 |
申请号 |
GB19870018149 |
申请日期 |
1987.07.31 |
申请人 |
* HONDA GIKEN KOGYO KABUSHIKI KAISHA |
发明人 |
HIDEAKI * USHIO;TADAYOSHI * HAYASHI;KAZUO * SHIBATA;YOSHIKAZU * FUJISAWA;TSUNEHISA * HATA |
分类号 |
C22C32/00;C22C49/14;F02B75/02;F02B75/18;F02B75/20;F02F1/10;F02F1/18;F02F1/24;F02F7/00;F16J1/02;F16J9/26;F16J10/04 |
主分类号 |
C22C32/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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