[특허]Aircraft having a lift/propulsion unit

Rolls-Royce PLC

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Aircraft having a lift/propulsion unit

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B64C-029/00
미국특허분류(USC)	244/012.5; 244/012.4; 244/023A; 244/023B
출원번호	US-0761155 (2010-04-15)
등록번호	US-8317126 (2012-11-27)
우선권정보	GB-0909158.8 (2009-05-29)
발명자 / 주소	Harris, Paul J. H. Hewitt, Frank A. Johnson, Martin C. Wright, Christopher
출원인 / 주소	Rolls-Royce PLC
대리인 / 주소	Oliff & Berridge, PLC
인용정보	피인용 횟수 : 14 인용 특허 : 8

초록
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An aircraft having a lift/propulsion unit which includes a power unit such as a turboshaft engine which drives a fan through a transmission mechanism. The fan discharges to vectoring nozzles which can be independently swivelled to provide lift or propulsion thrust. An output shaft of the transmission mechanism serves as the main shaft of a motor/generator of modular form. The motor/generator can act as a generator to charge an electrical storage device such as a battery, or as a motor to drive the fan, either alone or to supplement the output of engine. Reaction control nozzles are provided at extremities of the aircraft to provide stabilizing thrust. The aircraft is capable of vertical take off and hovering, with the vectoring nozzles swivelled to a lift position, and forward thrust with the vectoring nozzles swivelled to a propulsion position.

대표
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1. An aircraft having a fuselage provided with a lift/propulsion unit, the lift/propulsion unit comprising: a mechanical transmission mechanism;a power unit;a fan which is driveably connected to the power unit by the mechanical transmission mechanism, wherein the transmission mechanism comprises of a gearbox, the fan having a rotary axis which extends upwardly in the attitude of the aircraft corresponding to level flight, and being provided with vectoring means for adjusting the direction of thrust generated by the fan, wherein the vectoring means has at least one vectoring nozzle which is mounted for swivelling movement with respect to the fan; andan electrical motor/generator operable as a motor to drive the fan, and operable as an electrical generator driven by the power unit to provide electrical energy, wherein the electrical motor/generator has a main shaft;a first end directly connected to the power unit via the main shaft; anda second end opposite to the first end directly connected to the gearbox to drive the fan via the main shaft. 2. An aircraft as claimed in claim 1, in which the vectoring nozzle can be swivelled between a lift position in which the nozzle generates thrust in a generally vertical direction, and a propulsion position in which the nozzle generates thrust in a generally horizontal direction parallel to the direction of forward travel of the aircraft. 3. An aircraft as claimed in claim 1, the lift/propulsion unit further comprising a delivery chamber which communicates with the at least one vectoring nozzle, the at least one vectoring nozzle being mounted for swivelling movement on the delivery chamber, wherein the fan comprises a fan outlet which discharges into the delivery chamber. 4. An aircraft as claimed in claim 1, in which the lift/propulsion unit further comprises two vectoring nozzles disposed on opposite sides of the fuselage. 5. An aircraft as claimed in claim 4, in which the vectoring nozzles are mounted for swivelling movement independently of each other. 6. An aircraft as claimed in claim 1, in which the fan is disposed substantially at the centre of gravity of the aircraft. 7. An aircraft as claimed in claim 1, in which the main shaft of the motor/generator further comprises a driveshaft of the mechanical transmission mechanism which transmits power from the power unit to the fan. 8. An aircraft as claimed in claim 1, in which the motor/generator is integrated with the gearbox. 9. An aircraft as claimed in claim 7, in which the lift/propulsion unit further comprises an electrical storage device which is chargeable by the motor/generator and is adapted to supply electrical power to the motor/generator to apply drive to the fan. 10. An aircraft as claimed in claim 7, in which the motor/generator is of modular construction, comprising removable and replaceable modules. 11. An aircraft as claimed in claim 1, in which the lift/propulsion unit further comprises reaction control devices for generating supplementary thrust to stabilise the attitude of the aircraft. 12. An aircraft as claimed in claim 11, in which the reaction control devices are disposed at wing tips of the aircraft and/or at the ends of the fuselage. 13. An aircraft as claimed in claim 12, in which the reaction control devices comprise discharge nozzles provided with control means for controlling delivery of pressurised air to the nozzles. 14. An aircraft as claimed in claim 13, in which the control means comprises control valves. 15. An aircraft as claimed in claim 13, in which the control means comprises supplementary fans. 16. An aircraft as claimed in claim 14, in which the lift/propulsion unit further comprises an electrical storage device which is chargeable by the motor/generator and is adapted to supply electrical power to the motor/generator to apply drive to the fan, and the control valves are electrically driven by means of electrical power supplied by the motor/generator or from the electrical storage device. 17. An aircraft as claimed in claim 15, in which the lift/propulsion unit further comprises an electrical storage device which is chargeable by the motor/generator and is adapted to supply electrical power to the motor/generator to apply drive to the fan, and the supplementary fans are electrically driven by means of electrical power supplied by the motor/generator or from the electrical storage device.

이 특허에 인용된 특허 (8)

이 특허를 인용한 특허 피인용횟수: 14

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Aircraft having a lift/propulsion unit

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이 특허에 인용된 특허 (8)

이 특허를 인용한 특허 피인용횟수: 14

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Aircraft having a lift/propulsion unit

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이 특허에 인용된 특허 (8)

이 특허를 인용한 특허 피인용횟수: 14

IPC 상위 출원인

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IPC 상세정보(version : 201201)

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