KR102761931B1 - 대형 가변 속도 틸트 로터를 사용하는 eVTOL 항공기 - Google Patents
대형 가변 속도 틸트 로터를 사용하는 eVTOL 항공기 Download PDFInfo
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Abstract
Description
도 1b는 도 1a에 따른 항공기에 대한 개발 및 운용에 대한 종래 기술인 프로젝트 일정이다
도 2a 및 도 2b는 종래 기술인 16개 로터의 Volocopter™에 대한 아티스트의 작업물들이다.
도 3은 종래 기술인 8개 로터의 Ehang™의 아티스트의 작업물이다.
도 4는 종래 기술인 8개 로터의 CityAirbus™의 아티스트의 작업물이다.
도 5는 로터들이 전방 및 후미 날개들에 대해 기울어지는 종래 기술인 36개 로터의 Lilium™ eVTOL의 아티스트의 작업물이다.
도 6은 8개의 로터의 Airbus™ A3 Vahana™에 대한 아티스트의 작업물이다.
도 7은 종래 기술인 Joby™의 6개의 로터의 eVTOL 컨셉 항공기에 대한 전산 유체 역학(CFD) 유동 솔루션의 이미지이다.
도 8은 8개의 리프팅 로터들을 및 후미 배향 프로펠러를 사용하는, 종래 기술인 Aurora™ eVTOL 컨셉 항공기에 대한 아티스트의 작업물이다.
도 9a 및 9b는 Terrafugia™ eVTOL 항공기에 대한 아티스트들의 컨셉도들이다.
도 10은 종래 기술인 Airbus™ A3 Vahana™의 모터 설비를 도시한다.
도 11은 본원의 본 발명의 개념들에 따른 바람직한 VTOL 항공기의 개략적인 사시도이다.
도 12는 도 11의 항공기의 치수들 및 파라미터들의 표이다.
도 13a 및 도 13b는 도 11d의 항공기의 각각 치수화된 도안들의 개략적인 평면도 및 측면도이다.
도 13c는 도 11의 항공기의 계산된 중량들 및 가능한 좌석 배치를 설명하는 표이다.
도 13d 및 도 13e는 도어들 및 해치들이 열려 있는, 도 11의 항공기의 개략적인 사시도이다.
도 13f는 도 11의 항공기의 열려 있는 후미 램프의 개략적인 측면도이다.
도 13g는 도 11의 항공기의 측면 섹션의 개략도이다.
도 14는 4개의 상이한 위치에서 도시되는, 도 11의 항공기와 함께 사용될 수 있는 슬롯형 플랫(slotted flap)의 개략적인 측면도이다.
도 15a는 도 11의 항공기와 함께 사용될 수 있는 선외 날개 접힘 특징에 대한 개략적인 사시도이다.
도 15b는 도 11의 항공기의 접힌 방향에서의, 도 15a의 선외 날개의 개략적인 정면도이다.
도 15c는 항공기가 45' 직경의 투영된 원형 주차 공간에 피팅되도록, 접힌 방향으로 선외 날개를 가지는, 도 11의 항공기의 개략적인 평면도이다.
도 16a는 도 11의 항공기의 비-차원화 방사 스테이션(non-dimensional radial station)의 함수들로 계산된 로터 기하학적 형상 및 특성들을 설명하는 표이다.
도 16b 내지 16e는 도 11의 항공기의 제안된 로터 블레이드들의 계산된 빔 플랩 방향 굽힘 강성, 코드 방향 굽힘 강성, 비틀림 강성 및 단위 길이 당 질량을 도시하는 그래프이다.
도 17은 도 11의 항공기의, 로터 속도의 함수로 0도의 집합적 제어 설정(collective control setting)에서 계산된 최저 블레이드 고유 주파수들을 도시하는 그래프이다.
도 18은 도 11의 항공기의, 특정 방사상 스테이션들에서 로터 블레이드들의 5개의 단면 에어포일 프로파일에 대한 개략도이다.
도 19a는 날개이용 비행을 위해 필요한 위치에서, 유선형 나셀에 에워싸인, 도 11의 항공기와 함께 사용될 수 있는 구동 시스템의 제 1 개략적인 사시도이다.
도 19b는 도 11의 항공기와 함께 사용될 수 있는 구동 시스템의 일부에 대한 제 2 개략적인 사시도이다.
도 20은 도 11의 항공기를 위한, 모터 중량에 대한 모터 속도의 계산된 효과들을 도시하는 그래프이다.
도 21a는 도 11의 항공기와 함께 사용될 수 있는 바람직한 개별 블레이드 제어(IBC) 구성의 수직 단면에 대한 개략도이다.
도 21b는 도 11의 항공기와 함께 사용될 수 있는 대안적인 바람직한 개별 블레이드 제어(IBC) 구성의 수직 단면에 대한 개략도이다.
도 22는 4개의 블레이드의 주 로터들 및 4개의 블레이드의 보조 로터들을 가지는, 도 21a 또는 도 21b에 따른 개별 블레이드 제어(IBC) 액츄에이터들을 가지는, 도 11의 항공기의 개략적인 사시도이다.
도 23a는 배터리가 날개 아래에 나셀 내부에 배치되는, 도 11의 항공기와 함께 사용될 수 있는 나셀의 개략적인 단면도이다.
도 23b는 배터리가 날개 내에 배치되는, 도 11의 항공기와 함께 사용될 수 있는 나셀 및 날개에 대한 개략적인 단면도이다.
도 24a 내지 도 24g는 본원의 발명 개념들에 따라 대안적인 바람직한 VTOL 항공기에 대한 개략적인 사시도이다. 이 버전은 보조 로터들을 가지지 않는다.
도 25a 내지 도 25b는 도 13g의 4개의 로터들의 것과 비교되는 3-열 좌석을 도시하는, 도 24a 내지 도 24g의 대안적인 VTOL 항공기에 대한 개략적인 수직 단면도이다.
도 26은 도 24a 내지 도 24g의 2개의 로터의 대안적인 VTOL 항공기에 대한 치수들 및 파라미터들의 표이다.
Claims (12)
- 항공기 로터 시스템(aircraft rotor system)에 있어서,
로터 블레이드 피치 액츄에이터(rotor blade pitch actuator); 및
로터 블레이드;
를 포함하며,
상기 로터 블레이드 피치 액츄에이터는 상기 로터 블레이드의 내부에 있는,
항공기 로터 시스템. - 제 1 항에 있어서,
상기 항공기 로터 시스템의 항공기 로터는 강성(rigid) 로터인,
항공기 로터 시스템. - 제 1 항에 있어서,
상기 로터 블레이드 피치 액츄에이터는 전기 액츄에이터를 포함하는,
항공기 로터 시스템. - 제 3 항에 있어서,
상기 전기 액츄에이터는 전기 모터 로터를 포함하며, 그리고
상기 전기 모터 로터는 상기 로터 블레이드에 대하여 고정되는,
항공기 로터 시스템. - 제 1 항에 있어서,
상기 로터 블레이드 피치 액츄에이터는 전기 액츄에이터를 포함하고, 상기 전기 액츄에이터는 제 1 및 제 2 전기 모터 스테이터(stator)를 포함하는,
항공기 로터 시스템. - 제 1 항에 있어서,
상기 로터 블레이드 피치 액츄에이터는 기어 박스(gear box)를 더 포함하며, 그리고
상기 기어 박스는, 로터 허브(rotor hub)에 연결되고 그리고 상기 로터 블레이드에 연결되는,
항공기 로터 시스템. - 제 1 항에 있어서,
상기 블레이드에 그리고 로터 허브에 토크(torque) 연결되는 플렉시블 커플링(flexible coupling)을 더 포함하는,
항공기 로터 시스템. - 제 1 항에 있어서,
상기 로터 블레이드 피치 액츄에이터는 피치 축(pitch axis)에 축방향으로 피팅(fitting)되는,
항공기 로터 시스템. - 항공기 추진(propulsion) 시스템에 있어서,
추진 시스템 블레이드 피치 액츄에이터; 및
추진 시스템 블레이드;
를 포함하며,
상기 추진 시스템 블레이드 피치 액츄에이터는 상기 추진 시스템 블레이드의 내부에 있는,
항공기 추진 시스템. - 제 9 항에 있어서,
상기 추진 시스템 블레이드 피치 액츄에이터는 전기 엑츄에이터를 포함하는,
항공기 추진 시스템. - 제 9 항에 있어서,
상기 추진 시스템 블레이드 피치 액츄에이터는 상기 추진 시스템 블레이드의 내부에 있는 제 1 및 제 2 모터를 포함하는,
항공기 추진 시스템. - 제 9 항에 있어서,
상기 추진 시스템 블레이드 피치 액츄에이터는 피치 축에 축방향으로 피팅되는,
항공기 추진 시스템.
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US20180334251A1 (en) | 2018-11-22 |
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CN110650889B (zh) | 2023-08-15 |
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KR20220075239A (ko) | 2022-06-07 |
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JP7466963B2 (ja) | 2024-04-15 |
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KR20230151059A (ko) | 2023-10-31 |
EP3630603C0 (en) | 2025-04-09 |
BR112019024551A2 (pt) | 2020-06-09 |
KR102483971B1 (ko) | 2023-01-02 |
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