发明名称 |
Cylinder block of multi-cylinder engine and process of molding same |
摘要 |
A process of molding a cylinder block of a multi-cylinder engine comprises making a jacket core (30) so as to form cylinder jackets (8) of the multi-cylinder engine (E), attaching the jacket core (30) to a cylinder block forming mold (28), and pouring molten metal into the cylinder block forming mold (28). The process makes a water passage forming core (31) of sphered particle sand having a lower expansion coefficient than the common silica sand. The core (31) is intended for forming at a head side portion of an inter-bore wall (4) of the multi-cylinder engine (E), a cooling water passage (10) which communicates the cylinder jackets (8) with a head jacket (22). And prior to pouring the molten metal, the process fixedly attaches the water passage forming core (31) to a position corresponding to the inter-bore wall (4) of the jacket core (30).
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申请公布号 |
US2002121250(A1) |
申请公布日期 |
2002.09.05 |
申请号 |
US20010797837 |
申请日期 |
2001.03.05 |
申请人 |
SHIMIZU YUTAKA;UEHARA TAKEFUMI;YAMADA SHUICHI;AKETA MASAHIRO |
发明人 |
SHIMIZU YUTAKA;UEHARA TAKEFUMI;YAMADA SHUICHI;AKETA MASAHIRO |
分类号 |
B22C9/24;F01P3/02;F02B75/18;F02F1/00;F02F1/10;F02F1/14;F02F7/00;(IPC1-7):F02B75/18 |
主分类号 |
B22C9/24 |
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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