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公开(公告)号：WO2013163048A1
公开(公告)日：2013-10-31
申请号：PCT/US2013/037500
申请日：2013-04-20
Applicant: UNITED TECHNOLOGIES CORPORATION
Inventor： FISK, Benjamin T. , PROPHETER-HINCKLEY, Tracy A. , DOLANSKY, Gregory M. , TREEN, Robert J.
CPC classification number: F01D5/16 , F01D5/26 , F01D25/06 , Y10T29/49316
Abstract: An airfoil includes an airfoil body that defines a longitudinal axis. The airfoil body includes a leading edge and a trailing edge and a first sidewall and a second sidewall that is spaced apart from the first sidewall. The first sidewall and the second sidewall join the leading edge and the trailing edge and at least partially define at least one longitudinally elongated cavity in the airfoil body. A plurality of loose particles is enclosed in the at least one longitudinally elongated cavity.
Abstract translation: 翼型件包括限定纵向轴线的翼型件。 翼型体包括前缘和后缘以及与第一侧壁间隔开的第一侧壁和第二侧壁。 第一侧壁和第二侧壁连接前缘和后缘，并且至少部分地限定翼型本体中的至少一个纵向细长的空腔。 多个松散颗粒被封闭在至少一个纵向细长的空腔中。
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公开(公告)号：EP2841704B1
公开(公告)日：2019-12-25
申请号：EP13781995.9
申请日：2013-04-20
Applicant: United Technologies Corporation
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公开(公告)号：EP2841704A1
公开(公告)日：2015-03-04
申请号：EP13781995.9
申请日：2013-04-20
Applicant: United Technologies Corporation
Inventor： FISK, Benjamin T. , PROPHETER-HINCKLEY, Tracy A. , DOLANSKY, Gregory M. , TREEN, Robert J.
Abstract: An airfoil includes an airfoil body that defines a longitudinal axis. The airfoil body includes a leading edge and a trailing edge and a first sidewall and a second sidewall that is spaced apart from the first sidewall. The first sidewall and the second sidewall join the leading edge and the trailing edge and at least partially define at least one longitudinally elongated cavity in the airfoil body. A plurality of loose particles is enclosed in the at least one longitudinally elongated cavity.
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