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公开(公告)号：EP4378911A3
公开(公告)日：2024-08-07
申请号：EP24172015.0
申请日：2020-03-06
申请人： RTX Corporation
IPC分类号： F01D11/12 , C23C28/00 , B01J21/06 , C04B35/20 , C01G23/04 , C04B35/185 , C04B35/5831 , C23C14/08
CPC分类号： F01D11/122 , F05D2300/2120130101 , F05D2300/211820130101 , C23C28/3455 , F05D2230/9020130101 , C04B35/20 , F05D2300/603220130101 , F05D2240/1120130101 , F05D2300/50220130101 , F05D2300/50620130101 , F05D2300/51420130101 , C23C28/3215 , C04B35/185 , F05D2220/321920130101 , C23C28/324 , C04B35/46 , C04B35/22 , C04B35/111 , C04B35/119 , C04B35/486 , C04B35/462 , C04B2235/322720130101 , C04B2235/327220130101 , C04B35/583 , C04B2235/323220130101 , C04B2235/346320130101 , C04B2235/347220130101 , C04B2235/342720130101 , C04B2235/320820130101 , C04B2235/320120130101
摘要： A turbine engine has: a first member having a surface bearing an abradable coating, the abradable coating being at least 90% by weight ceramic; and a second member having a surface bearing an abrasive coating. The abrasive coating has a metallic matrix and a ceramic oxide abrasive held by the metallic matrix, the first member and second member mounted for relative rotation with the abrasive coating facing or contacting the abradable coating. At least 50% by weight of the ceramic abrasive has a melting point at least 400K higher than a melting point of at least 20% by weight of the ceramic of the abradable coating.
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2.发明授权
公开(公告)号：EP3896263B1
公开(公告)日：2024-05-01
申请号：EP21168381.8
申请日：2021-04-14
CPC分类号： F01D11/24 , F01D11/18 , F01D25/12 , F01D25/246 , F05D2240/1120130101 , F05D2300/50220130101 , F05D2260/2020130101 , F05D2260/3720130101 , Y02T50/60
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公开(公告)号：EP4378911A2
公开(公告)日：2024-06-05
申请号：EP24172015.0
申请日：2020-03-06
申请人： RTX Corporation
IPC分类号： C04B35/583
CPC分类号： F01D11/122 , F05D2300/2120130101 , F05D2300/211820130101 , C23C28/3455 , F05D2230/9020130101 , C04B35/20 , F05D2300/603220130101 , F05D2240/1120130101 , F05D2300/50220130101 , F05D2300/50620130101 , F05D2300/51420130101 , C23C28/3215 , C04B35/185 , F05D2220/321920130101 , C23C28/324 , C04B35/46 , C04B35/22 , C04B35/111 , C04B35/119 , C04B35/486 , C04B35/462 , C04B2235/322720130101 , C04B2235/327220130101 , C04B35/583 , C04B2235/323220130101 , C04B2235/346320130101 , C04B2235/347220130101 , C04B2235/342720130101 , C04B2235/320820130101 , C04B2235/320120130101
摘要： A turbine engine has: a first member having a surface bearing an abradable coating, the abradable coating being at least 90% by weight ceramic; and a second member having a surface bearing an abrasive coating. The abrasive coating has a metallic matrix and a ceramic oxide abrasive held by the metallic matrix, the first member and second member mounted for relative rotation with the abrasive coating facing or contacting the abradable coating. At least 50% by weight of the ceramic abrasive has a melting point at least 400K higher than a melting point of at least 20% by weight of the ceramic of the abradable coating.
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公开(公告)号：EP4031751B1
公开(公告)日：2024-04-24
申请号：EP20716304.9
申请日：2020-03-06
IPC分类号： F01D11/12 , C23C28/00 , B01J21/06 , C04B35/20 , C01G23/04 , C04B35/185 , C04B35/5831 , C23C14/08 , C04B35/111 , C04B35/119 , C04B35/22 , C04B35/46 , C04B35/462 , C04B35/486 , C04B35/583
CPC分类号： F01D11/122 , F05D2300/2120130101 , F05D2300/211820130101 , C23C28/3455 , F05D2230/9020130101 , C04B35/20 , F05D2300/603220130101 , F05D2240/1120130101 , F05D2300/50220130101 , F05D2300/50620130101 , F05D2300/51420130101 , C23C28/3215 , C04B35/185 , F05D2220/321920130101 , C23C28/324 , C04B35/46 , C04B35/22 , C04B35/111 , C04B35/119 , C04B35/486 , C04B35/462 , C04B2235/322720130101 , C04B2235/327220130101 , C04B35/583 , C04B2235/323220130101 , C04B2235/346320130101 , C04B2235/347220130101 , C04B2235/342720130101 , C04B2235/320820130101 , C04B2235/320120130101
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