发明授权
- 专利标题: Stress reduction feature to improve fuel nozzle sheath durability
- 专利标题(中): 减压功能可提高燃油喷嘴护套的耐久性
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申请号: US13427236申请日: 2012-03-22
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公开(公告)号: US08935925B2公开(公告)日: 2015-01-20
- 发明人: Bhawan Patel , Nagaraja Rudrapatna
- 申请人: Bhawan Patel , Nagaraja Rudrapatna
- 申请人地址: CA Longueuil, QC
- 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, QC
- 代理机构: Norton Rose Fulbright Canada LLP
- 主分类号: F02C1/00
- IPC分类号: F02C1/00 ; F23R3/28 ; F23R3/06 ; F23R3/54
摘要:
A fuel nozzle sheath has a lateral opening for admitting air about a nozzle stem. The stress distribution along the perimeter of the window is smoothed out by increasing the corner radius of the window corner presenting higher stress concentration.
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