- 专利标题： VALVE SEAT INSERT FOR HIGH POWER DENSITY AND HIGH SPEED DIESEL ENGINES
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申请号： US16544076申请日： 2019-08-19
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公开(公告)号： US20210054768A1公开(公告)日： 2021-02-25
- 发明人: Ashwin A. Hattiangadi , Rong Qu
- 申请人： Caterpillar Inc.
- 申请人地址： US IL Deerfield
- 专利权人： Caterpillar Inc.
- 当前专利权人： Caterpillar Inc.
- 当前专利权人地址： US IL Deerfield
- 主分类号： F01L3/22
- IPC分类号： F01L3/22 ; F02F1/24 ; F01L3/20
摘要：
A valve seat insert of an engine has a valve seating surface including an outer curved segment forming a first wear crown for contacting the valve at an early wear state, an inner curved segment forming a second wear crown for contacting the valve at a later wear state, and a linear segment extending between the outer and the inner curved segments.
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