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公开(公告)号：US20250043692A1
公开(公告)日：2025-02-06
申请号：US18362346
申请日：2023-07-31
Applicant: General Electric Company
Inventor： David Yamarthi , Tod R. Steen , Ravindra Shankar Ganiger , Kudum Shinde , Ankita Sinha , Aman Srivastava , Narayanan Payyoor , Venkata Subramanya Sarma Devarakonda , Rajesh Kumar Undipalli , Dinesh Rakwal , Himanshu Gupta , Hrishi Ragesh
Abstract: A gas turbine engine includes a fan section having a plurality of fan blades, the fan section configured to generate an airflow through the gas turbine engine, an airflow passage having a core passage and a bypass passage separate from the core passage, a low-speed shaft coupled to and configured to rotate the plurality of fan blades, and a sensor assembly coupled to the gas turbine engine and configured to detect torsional vibration in the low-speed shaft. The sensor assembly includes a plurality of dynamic pressure sensors in the airflow passage. The plurality of dynamic pressure sensors detect a dynamic pressure of the airflow passage that is indicative of the torsional vibration in the low-speed shaft. A damping system is configured to dampen the torsional vibration in the low-speed shaft based on a correlation of a measured torsional vibration and an experimental torsional vibration.
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公开(公告)号：US12297743B2
公开(公告)日：2025-05-13
申请号：US18362346
申请日：2023-07-31
Applicant: General Electric Company
Inventor： David Yamarthi , Tod R. Steen , Ravindra Shankar Ganiger , Kudum Shinde , Ankita Sinha , Aman Srivastava , Narayanan Payyoor , Venkata Subramanya Sarma Devarakonda , Rajesh Kumar Undipalli , Dinesh Rakwal , Himanshu Gupta , Hrishi Ragesh
Abstract: A gas turbine engine includes a fan section having a plurality of fan blades, the fan section configured to generate an airflow through the gas turbine engine, an airflow passage having a core passage and a bypass passage separate from the core passage, a low-speed shaft coupled to and configured to rotate the plurality of fan blades, and a sensor assembly coupled to the gas turbine engine and configured to detect torsional vibration in the low-speed shaft. The sensor assembly includes a plurality of dynamic pressure sensors in the airflow passage. The plurality of dynamic pressure sensors detect a dynamic pressure of the airflow passage that is indicative of the torsional vibration in the low-speed shaft. A damping system is configured to dampen the torsional vibration in the low-speed shaft based on a correlation of a measured torsional vibration and an experimental torsional vibration.
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