A propulsion assembly having a heat exchanger and a system for supplying cold air including an air inlet in a stream of air, an air duct connecting the air inlet fluidly to the exchanger, and an air flow valve with a variable flow rate inside the duct, the valve including a hub having blades projecting radially from the hub forming a helix, each blade having a root mounted rotatably on the hub, the valve comprising an electric motor to drive the hub by a motor shaft, and structure for varying pitch angle of the blades, the extremity of each blade being flush with a wall of the duct, the valve controllable to a closed configuration where pitch angle of the blades is 0 DEG and the valve prevents passage of air, an open configuration where pitch angle is 90 DEG , and/or a charge configuration where pitch angle is between 0 DEG and 90 DEG .
AIRCRAFT PROPULSION ASSEMBLY COMPRISING AN AIR FLOW VALVE WITH A VARIABLE FLOW RATE
2015-10-14
Patent
Electronic Resource
English
IPC: | B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT |
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