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公开(公告)号：JPH11132004A
公开(公告)日：1999-05-18
申请号：JP24789398
申请日：1998-09-02
Applicant: UNITED TECHNOLOGIES CORP
Inventor： SAMIT MARC , WELCH DOUGLAS A , DUESLER PAUL W , MARKHAM PATRICK D , PENDA ALLAN R
Abstract: PROBLEM TO BE SOLVED: To keep a danger of damage of a following blade to a minimum in the case where a break off hollow fan blade comes into collision with the following blade. SOLUTION: A hollow air foil for gas-turbine engine having a leading edge 50, a trailing edge 52, a positive pressure face 54 and a negative pressure face 56 comprises a solid region 78 in which a thickness of a blade chord is increased, and a plurality of buttresses 82, 84, 86, 88. The hollow air foil for gas-turbine engine is selectively strengthened. Accordingly, a danger of breakage of the air foil is reduced in a case where the air foil comes into collision with a following air foil when the air foil is in a braking state.
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公开(公告)号：DE69827727T2
公开(公告)日：2005-03-31
申请号：DE69827727
申请日：1998-09-10
Applicant: UNITED TECHNOLOGIES CORP
Inventor： SAMIT MARC , DUESLER PAUL W , WELCH DOUGLAS A , MARKHAM PATRICK D , PENDA ALLAN R
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公开(公告)号：DE69827727D1
公开(公告)日：2004-12-30
申请号：DE69827727
申请日：1998-09-10
Applicant: UNITED TECHNOLOGIES CORP
Inventor： SAMIT MARC , DUESLER PAUL W , WELCH DOUGLAS A , MARKHAM PATRICK D , PENDA ALLAN R
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