Invention Grant
- Patent Title: Refractory core comprising a main body and a shell
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Application No.: US16069593Application Date: 2017-01-13
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Publication No.: US10654098B2Publication Date: 2020-05-19
- Inventor: David Grange , Ngadia Taha Niane
- Applicant: SAFRAN
- Applicant Address: FR Paris
- Assignee: SAFRAN
- Current Assignee: SAFRAN
- Current Assignee Address: FR Paris
- Agency: Bookoff McAndrews, PLLC
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@38d1e60b
- International Application: PCT/FR2017/050082 WO 20170113
- International Announcement: WO2017/121972 WO 20170720
- Main IPC: B22C9/10
- IPC: B22C9/10 ; B22C9/24 ; F01D5/18
Abstract:
A refractory core (12) for fabricating a hollow turbine engine airfoil (10) using the lost-wax casting technique, the core comprising a main body (14) and at least one shell (16) connected to the main body (14) and defining a cavity (18) between the main body and the shell, the shell (16) being configured to come into contact with the airfoil (10) during fabrication.
Public/Granted literature
- US20190111470A1 REFRACTORY CORE COMPRISING A MAIN BODY AND A SHELL Public/Granted day:2019-04-18
Information query
