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公开(公告)号：US12123307B2
公开(公告)日：2024-10-22
申请号：US18418726
申请日：2024-01-22
Applicant: RTX CORPORATION
Inventor： Dean Johnson , Thomas E. Clark
CPC classification number: F01D11/125 , F01D11/005 , F01D11/02 , F01D11/24 , F01D25/12 , B23P15/008 , B23P2700/06 , B23P2700/12 , F01D25/005 , F05D2230/10 , F05D2230/60 , F05D2240/11 , F05D2240/55 , F05D2300/6033 , Y10T29/49297 , Y10T29/4932 , Y10T29/49323 , Y10T29/49936
Abstract: A method includes providing a ceramic matrix composite (CMC) seal arc segment that has radially inner and outer sides, attaching an abradable layer on the radially outer side of the CMC seal arc segment, providing a carrier to support the CMC seal arc segment, the carrier including a ridge, and sliding the CMC seal arc segment relative to the carrier such that during the sliding the ridge cuts a groove into the abradable layer, the ridge remaining disposed in the groove to thereby provide a labyrinth seal that partitions the cooling cavity between the carrier and the CMC seal arc segment into sub-cavities.
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公开(公告)号：US20240159160A1
公开(公告)日：2024-05-16
申请号：US18418726
申请日：2024-01-22
Applicant: RTX CORPORATION
Inventor： Dean Johnson , Thomas E. Clark
CPC classification number: F01D11/125 , F01D11/005 , F01D11/02 , F01D11/24 , F01D25/12 , F01D25/005
Abstract: A method includes providing a ceramic matrix composite (CMC) seal arc segment that has radially inner and outer sides, attaching an abradable layer on the radially outer side of the CMC seal arc segment, providing a carrier to support the CMC seal arc segment, the carrier including a ridge, and sliding the CMC seal arc segment relative to the carrier such that during the sliding the ridge cuts a groove into the abradable layer, the ridge remaining disposed in the groove to thereby provide a labyrinth seal that partitions the cooling cavity between the carrier and the CMC seal arc segment into sub-cavities.
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