LIFT FAN SYSTEM
First Claim
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1. A system, comprising:
- a power generator; and
a lift fan system, wherein said lift fan system includes;
a lift fan coupled to and driven by said power generator, wherein said lift fan is adapted for mounting to an aircraft and is structured to pressurize air;
a main nozzle in fluid communication with said lift fan and adapted to discharge a first portion of pressurized air from said lift fan to provide direct lift to said aircraft; and
an auxiliary nozzle in fluid communication with said lift fan and adapted to discharge a second portion of pressurized air from said lift fan to provide auxiliary thrust.
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Abstract
Embodiments of the present invention include a system, e.g., for a short takeoff and vertical landing (STOVL) aircraft. The system includes a power generator, such as a gas turbine engine; a lift fan powered by the power generator; and includes two or more nozzles in fluid communication with the lift fan.
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Citations
21 Claims
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1. A system, comprising:
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a power generator; and a lift fan system, wherein said lift fan system includes; a lift fan coupled to and driven by said power generator, wherein said lift fan is adapted for mounting to an aircraft and is structured to pressurize air; a main nozzle in fluid communication with said lift fan and adapted to discharge a first portion of pressurized air from said lift fan to provide direct lift to said aircraft; and an auxiliary nozzle in fluid communication with said lift fan and adapted to discharge a second portion of pressurized air from said lift fan to provide auxiliary thrust. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A lift fan system, comprising:
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a lift fan adapted for installation onboard an aircraft and structured to pressurize air; a first nozzle in fluid communication with said lift fan, wherein said first nozzle is a variable geometry nozzle structured to controllably discharge a first portion of pressurized air from said lift fan; and a second nozzle in fluid communication with said lift fan, wherein said second nozzle is independent of said first nozzle and structured to controllably discharge a second portion of pressurized air. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A lift fan system, comprising:
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a lift fan adapted for installation onboard an aircraft and structured to pressurize air; means for providing direct lift thrust using a first portion of pressurized air received from said lift fan; and means for providing auxiliary thrust using a second portion of pressurized air. - View Dependent Claims (18, 19, 20, 21)
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Specification