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公开(公告)号：US11549444B2
公开(公告)日：2023-01-10
申请号：US17168768
申请日：2021-02-05
Applicant: Raytheon Technologies Corporation
Inventor： Michael A. Beinor , Timothy J. Castaldo , Christopher M. Valva , Nasr A. Shuaib , Mitchell D. Panton
Abstract: A turbomachine has a bearing in a bearing compartment. A first seal system isolates the bearing compartment and has: a first runner; a second runner; an inner seal encircling the first runner; and an outer seal encircling the second runner. The inner seal has a static clearance with the first runner. The outer seal has a static clearance with the second runner, greater than the inner seal static clearance. The first runner has an inner portion cantilevered inward. The second runner has an outer portion cantilevered outward.
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公开(公告)号：US11879396B2
公开(公告)日：2024-01-23
申请号：US17992019
申请日：2022-11-22
Applicant: Raytheon Technologies Corporation
Inventor： Michael A Beinor , Timothy J. Castaldo , Christopher M. Valva , Nasr A. Shuaib , Mitchell D. Panton
CPC classification number: F02C7/28 , F01D25/183 , F02C7/06 , F05D2220/323 , F05D2240/55 , F05D2260/232 , F05D2260/98
Abstract: A turbomachine has a bearing in a bearing compartment. A first seal system isolates the bearing compartment and has: a first runner; a second runner; an inner seal encircling the first runner; and an outer seal encircling the second runner. The inner seal has a static clearance with the first runner. The outer seal has a static clearance with the second runner, greater than the inner seal static clearance. The first runner has an inner portion cantilevered inward. The second runner has an outer portion cantilevered outward.
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公开(公告)号：US20230304443A1
公开(公告)日：2023-09-28
申请号：US17992019
申请日：2022-11-22
Applicant: Raytheon Technologies Corporation
Inventor： Michael A. Beinor , Timothy J. Castaldo , Christopher M. Valva , Nasr A. Shuaib , Mitchell D. Panton
CPC classification number: F02C7/28 , F01D25/183 , F02C7/06 , F05D2220/323 , F05D2240/55 , F05D2260/232 , F05D2260/98
Abstract: A turbomachine has a bearing in a bearing compartment. A first seal system isolates the bearing compartment and has: a first runner; a second runner; an inner seal encircling the first runner; and an outer seal encircling the second runner. The inner seal has a static clearance with the first runner. The outer seal has a static clearance with the second runner, greater than the inner seal static clearance. The first runner has an inner portion cantilevered inward. The second runner has an outer portion cantilevered outward.
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公开(公告)号：US20220252013A1
公开(公告)日：2022-08-11
申请号：US17168768
申请日：2021-02-05
Applicant: Raytheon Technologies Corporation
Inventor： Michael A. Beinor , Timothy J. Castaldo , Christopher M. Valva , Nasr A. Shuaib , Mitchell D. Panton
Abstract: A turbomachine has a bearing in a bearing compartment. A first seal system isolates the bearing compartment and has: a first runner; a second runner; an inner seal encircling the first runner; and an outer seal encircling the second runner. The inner seal has a static clearance with the first runner. The outer seal has a static clearance with the second runner, greater than the inner seal static clearance. The first runner has an inner portion cantilevered inward. The second runner has an outer portion cantilevered outward.
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