发明授权
- 专利标题: Reduction of transient thermal stresses in machine components
- 专利标题(中): 减少机器部件中的瞬态热应力
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申请号: US394116申请日: 1989-08-15
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公开(公告)号: US4997341A公开(公告)日: 1991-03-05
- 发明人: Jerzy A. Lorett
- 申请人: Jerzy A. Lorett
- 申请人地址: CA Long Beach
- 专利权人: BW/IP International, Inc.
- 当前专利权人: BW/IP International, Inc.
- 当前专利权人地址: CA Long Beach
- 主分类号: F04D29/04
- IPC分类号: F04D29/04 ; F04D29/043 ; F04D29/12 ; F04D29/58
摘要:
A method of treating a surface of a machine element to permit the outer layers thereof to freely expand when repeatedly subjected to sudden temperature variations without thermal stressing the inner layers thereof.
公开/授权文献
- US4464906A Methods and apparatus for drying fingernails 公开/授权日:1984-08-14
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