- 专利标题: Valve for internal combustion engines
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申请号: US14439506申请日: 2013-10-31
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公开(公告)号: US10215065B2公开(公告)日: 2019-02-26
- 发明人: Rodrigo Favaron , Vinicius Bossoni Do Amaral
- 申请人: Mahle Metal Leve S/A , Mahle International GmbH
- 申请人地址: BR DE
- 专利权人: Mahle Metal Leve S/A,Mahle International GmbH
- 当前专利权人: Mahle Metal Leve S/A,Mahle International GmbH
- 当前专利权人地址: BR DE
- 代理机构: Fishman Stewart PLLC
- 优先权: BR102012028060 20121031
- 国际申请: PCT/BR2013/000450 WO 20131031
- 国际公布: WO2014/066966 WO 20140508
- 主分类号: B32B15/00
- IPC分类号: B32B15/00 ; F01L3/04 ; C23C16/30
摘要:
A valve device for an internal combustion engine may include a valve and a metallic tungsten matrix coating containing at least one tungsten nanocarbide disposed on at least a portion of the valve via a chemical vapor deposition (CVD) process. The coating may include a thickness ranging from 5 μm to 150 μm and a hardness between 500 HV and 2000 HV.
公开/授权文献
- US20150292370A1 VALVE FOR INTERNAL COMBUSTION ENGINES 公开/授权日:2015-10-15
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