发明名称 |
PISTAO DE ALUMINIO PRENSADO PARA MOTORES DE COMBUSTAO INTERNA COM GUARNICOES DE OUTRO MATERIAL,BEM COMO PROCESSO PARA A PRODUCAO DE MESMO |
摘要 |
The invention provides a piston formed by casting a metal piston body under pressure around an insert, the body being made of aluminium or aluminium alloy and the insert being made of a porous layer having a thickness 20 to 50 times the pore diameter and completely filled with the piston body metal which projects from the body into the pores of the insert. |
申请公布号 |
BR7705819(A) |
申请公布日期 |
1978.05.30 |
申请号 |
BR19777705819 |
申请日期 |
1977.08.31 |
申请人 |
MAHLE GMBH |
发明人 |
GRAF W;JAKL BANKA L;KOHNERT H;ROHRLE M |
分类号 |
B22D19/08;B22D19/00;F02F3/00;F02F3/08;F16J1/01;F16J9/22;(IPC1-7):F02F3/12 |
主分类号 |
B22D19/08 |
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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