Invention Grant
- Patent Title: Sintered iron-based alloy valve seat
- Patent Title (中): 烧结铁基合金阀座
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Application No.: US14412910Application Date: 2013-07-03
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Publication No.: US09359921B2Publication Date: 2016-06-07
- Inventor: Kimiaki Hashimoto , Hiroji Henmi
- Applicant: KABUSHIKI KAISHA RIKEN
- Applicant Address: JP Tokyo
- Assignee: KABUSHIKI KAISHA RIKEN
- Current Assignee: KABUSHIKI KAISHA RIKEN
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2012-152597 20120706
- International Application: PCT/JP2013/068228 WO 20130703
- International Announcement: WO2014/007278 WO 20140109
- Main IPC: C22C38/00
- IPC: C22C38/00 ; F01L3/02 ; F16K25/00 ; C22C38/02 ; C22C38/22 ; C22C38/24 ; C22C38/30 ; C22C38/36 ; C21D6/00 ; C22C33/02 ; F01L3/22 ; B22F5/10
Abstract:
An iron-based sintered alloy valve seat having excellent wear resistance and machinability, which can be used for high-power diesel engines, an intermetallic compound having Vickers hardness Hv of 800-1200 is used, and C and P in the composition of the iron-based sintered valve seat are by mass 1.2-1.6% and 0.80-1.35%, respectively.
Public/Granted literature
- US20150152753A1 SINTERED IRON-BASED ALLOY VALVE SEAT Public/Granted day:2015-06-04
Information query
