AIR SUPPLY CONTROL DURING MOTORING OF A GAS TURBINE ENGINE
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United States of America Patent
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Jul 21, 2016
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Jul 21, 2016
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Abstract
A system for motoring a gas turbine engine of an aircraft is provided. The system includes an air turbine starter, a starter air valve operable to deliver compressed air to the air turbine starter, and a controller. The controller is operable to control motoring of the gas turbine engine, detect a fault condition that prevents the controller from maintaining a motoring speed below a threshold level, and command a mitigation action that reduces delivery of the compressed air to the air turbine starter based on detection of the fault condition.
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