发明授权
- 专利标题: Annular gas turbine engine case and method of manufacturing
- 专利标题(中): 环形燃气涡轮发动机外壳及其制造方法
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申请号: US11537884申请日: 2006-10-02
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公开(公告)号: US08397383B2公开(公告)日: 2013-03-19
- 发明人: Barry Barnett , Steven Hunt , Czeslaw Wojtyczka
- 申请人: Barry Barnett , Steven Hunt , Czeslaw Wojtyczka
- 申请人地址: CA Longueuil
- 专利权人: Pratt & Whitney Canada Corp.
- 当前专利权人: Pratt & Whitney Canada Corp.
- 当前专利权人地址: CA Longueuil
- 代理机构: Norton Rose Canada LLP
- 主分类号: B21K25/00
- IPC分类号: B21K25/00
摘要:
The method is used for making an annular gas turbine engine case from a preform. The method comprises comprising flowforming at least one section of the preform, and then outwardly bending at least one portion of the perform.
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