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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0807311 (2010-09-02) |
등록번호 | US-8382030 (2013-02-26) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 0 인용 특허 : 2 |
A VTOL aircraft powerplant choosing between a low-power, turbofan mode during cruise flight and a high-power, lift fan mode during vertical flight. Turbofan mode is a gas turbine engine's shaft power driving a remote front fan. Its fan flow goes to thrust for cruising flight. During VTOL, front fan
1. A powerplant for a VTOL aircraft with a lift fan; said powerplant including a lift-fan engine and a cruise engine; most of said cruise engine being part of said lift-fan engine; but during cruise flight, said cruise engine operating while said lift-fan engine does not; said cruise engine includin
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