发明申请
- 专利标题： INTERNAL ENGINE PISTON AND ITS PRODUCTION METHOD
- 专利标题（中）： 内燃机活塞及其生产方法
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申请号： US10551645申请日： 2004-03-31
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公开(公告)号： US20060191508A1公开(公告)日： 2006-08-31
- 发明人: Koki Otsuka , Seiichi Endo , Takashi Hattori , Masanori Hara , Susumu Katsuragi
- 申请人： Koki Otsuka , Seiichi Endo , Takashi Hattori , Masanori Hara , Susumu Katsuragi
- 优先权： JP2003-097015 20030331
- 国际申请： PCT/JP04/04629 WO 20040331
- 主分类号： F02F3/00
- IPC分类号： F02F3/00 ; F16J1/04
摘要：
An integrally cast steel piston for internal engines, the cast steel having (a) a composition comprising 0.8% or less of C, 3% or less of Si, 3% or less of Mn, 0.2% or less of S, 3% or less of Ni, 6% or less of Cr, 6% or less of Cu, and 0.01-3% of Nb, the balance being substantially Fe and inevitable impurities, or (b) a composition comprising 0.1-0.8% of C, 3% or less of Si, 3% or less of Mn, 0.2% or less of S, 10% or less of Ni, 30% or less of Cr, 6% or less of Cu, and 0.05-8% of Nb, the balance being substantially Fe and inevitable impurities, by mass.
公开/授权文献
- US07503304B2 Internal engine piston and its production method 公开/授权日：2009-03-17
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