| 发明名称 |
PUMP, HIGH PRESSURE FUEL PUMP AND SURFACE TREATMENT METHOD FOR SLIDING PART THEREOF |
| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a fuel pump having a sliding part in a fuel chamber superior in wear resistance under high temperature and high pressure condition with a low cost. SOLUTION: Salt bath nitriding at treatment temperature below 480 deg.C is applied on one or both sides of a sliding surface sliding in gasoline or oil after finish grinding before nitriding treatment. A grinding process after niriding thereby can be eliminated.</p> |
| 申请公布号 |
JP2002227746(A) |
申请公布日期 |
2002.08.14 |
| 申请号 |
JP20010022681 |
申请日期 |
2001.01.31 |
| 申请人 |
HITACHI LTD |
发明人 |
YAMAUCHI HIDEAKI;HASHIDA MINORU;MACHIMURA HIDENORI;KOTAKI MICHIYOSHI;YAMAMURA TAKESHI;KAGIYAMA ARATA |
| 分类号 |
F02M59/44;C23C8/50;F02M59/04;F04B1/16;F04B53/14;F04B53/16;(IPC1-7):F02M59/44 |
主分类号 |
F02M59/44 |
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