A system includes a turbo pump configured to convert a tank compressed gas or an engine compressed gas into at least one of electrical power, hydraulic power, or pneumatic power. The system also includes a storage tank configured to store the tank compressed gas. The system also includes a bleed line configured to port the engine compressed gas from the gas turbine engine to the turbo pump. The system also includes a propellant selector valve having an off position in which the turbo pump is prevented from receiving either the tank compressed gas or the engine compressed gas, a tank position in which the tank compressed gas from the storage tank is ported through the propellant selector valve to the turbo pump, and an engine position in which the engine compressed gas from the bleed line is ported through the propellant selector valve to the turbo pump.
Utilization of engine bleed air to provide extended duration emergency aircraft power
19.11.2019
Patent
Elektronische Ressource
Englisch
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