发明授权
US4585391A Tail rotor arrangement with increased thrust for rotary wing aircraft
and device for increasing the thrust of such an arrangement
失效
尾翼转子布置，其具有用于旋转翼飞机的增加的推力和用于增加这种布置的推力的装置
- 专利标题： Tail rotor arrangement with increased thrust for rotary wing aircraft and device for increasing the thrust of such an arrangement
- 专利标题（中）： 尾翼转子布置，其具有用于旋转翼飞机的增加的推力和用于增加这种布置的推力的装置
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申请号： US536387申请日： 1983-09-27
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公开(公告)号： US4585391A公开(公告)日： 1986-04-29
- 发明人: Alain Vuillet , Francoise J. Morelli
- 申请人： Alain Vuillet , Francoise J. Morelli
- 申请人地址： FRX Paris
- 专利权人： Societe Nationale Industrielle et Aerospatiale
- 当前专利权人： Societe Nationale Industrielle et Aerospatiale
- 当前专利权人地址： FRX Paris
- 优先权： FRX8216753 19821006
- 主分类号： B64C27/82
- IPC分类号： B64C27/82 ; B64C27/78 ; F04D29/44
摘要：
A tail rotor arrangement for rotary wing aircraft, comprising a tunnel of axis X--X transverse with respect to the aircraft and in which is disposed a multi-blade rotor coaxial with respect to the tunnel and generating a transverse air flow. The arrangement comprises a plurality of fixed blades disposed inside of the tunnel downstream of the rotor with respect to the air flow and arranged in at least substantially radial manner with respect to the tunnel in order to be able to recover, in the form of an axial thrust, the energy of rotation of the air flow at the outlet of the rotor. The tail rotor arrangement provides an increase in thrust of the rotors, particularly paired rotors.
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