Invention Grant
- Patent Title: Piston with insulating air gap formed by additive manufacturing
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Application No.: US16962346Application Date: 2018-11-28
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Publication No.: US11149681B2Publication Date: 2021-10-19
- Inventor: Jordan E. Kelleher , Lyle E. Kocher , Dwight A. Doig , Brett A. Boas
- Applicant: Cummins Inc.
- Applicant Address: US IN Columbus
- Assignee: Cummins Inc.
- Current Assignee: Cummins Inc.
- Current Assignee Address: US IN Columbus
- Agency: Faegre Drinker Biddle & Reath LLP
- International Application: PCT/US2018/062735 WO 20181128
- International Announcement: WO2019/143403 WO 20190725
- Main IPC: F02F3/16
- IPC: F02F3/16 ; B33Y10/00 ; B33Y80/00 ; B33Y40/20 ; B22F5/00 ; B22F10/20
Abstract:
The present disclosure provides a piston, comprising: a skirt having an upper body portion; and a crown formed on the upper body portion by an additive manufacturing process, the crown including at least one air gap formed and positioned to reduce heat transfer from combustion to at least one cooling gallery formed in the piston.
Public/Granted literature
- US20200340424A1 PISTON WITH INSULATING AIR GAP FORMED BY ADDITIVE MANUFACTURING Public/Granted day:2020-10-29
Information query
