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US Patent 11976589 Gas turbine engine system wear reduction

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
119765891
Patent Inventor Names
Stephen A. Witalis1
Subhradeep Chowdhury1
Ramesh Rajagopalan1
Date of Patent
May 7, 2024
1
Patent Application Number
177209001
Date Filed
April 14, 2022
1
Patent Citations
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US Patent 8955334 Systems and methods for controlling the startup of a gas turbine
1
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US Patent 9664070 Bowed rotor prevention system
1
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US Patent 10040577 Modified start sequence of a gas turbine engine
1
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US Patent 10125636 Bowed rotor prevention system using waste heat
1
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US Patent 10125691 Bowed rotor start using a variable position starter valve
1
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US Patent 10174678 Bowed rotor start using direct temperature measurement
1
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US Patent 10208629 Piezo-electric motor for bowed rotor mitigation
1
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US Patent 10221774 Speed control during motoring of a gas turbine engine
1
...
Patent Primary Examiner
‌
Katheryn A Malatek
1
CPC Code
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F05D 2270/071
1
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F02C 9/52
1
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F02C 9/42
1
Patent abstract

An engine system for an aircraft includes a first gas turbine engine, a second gas turbine engine, and a control system. The control system is configured to operate the first gas turbine engine with a sub-idle fuel burn schedule based on detecting landing of the aircraft, where the sub-idle fuel burn schedule includes a reduction of an idle fuel burn schedule. The control system is configured to operate the second gas turbine engine with the idle fuel burn schedule based on detecting landing of the aircraft.

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