发明名称 |
Method for making a composite cylinder block |
摘要 |
A two cycle internal combustion engine may be fabricated by employing an improved method for forming a composite cylinder block. The cylinder block includes liners which are cut from sections of cylindrical pipe and which are positioned in a cylinder block either by an insertion or casting step, the cylinder block is composed of a different material. Prior to the insertion, the port openings are formed by punching.
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申请公布号 |
US4637110(A) |
申请公布日期 |
1987.01.20 |
申请号 |
US19850704535 |
申请日期 |
1985.02.22 |
申请人 |
YAMAHA HATSUDOKI KABUSHIKI KAISHA |
发明人 |
YAMAGATA, HIROSHI |
分类号 |
B21D28/30;B22D19/00;B23P21/00;F02B75/02;F02F1/22;(IPC1-7):B23P15/00;B23P17/00 |
主分类号 |
B21D28/30 |
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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