Tail rotor arrangement with increased thrust for rotary wing air

Details Tail rotor arrangement with increased thrust for rotary wing air Tail rotor arrangement with increased thrust for rotary wing air

1983-09-27

1986-04-29

Powell, Jr., Everette A.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Vane or deflector

415217, 415213C, 415DIG1, 416123, B64C 2778, F04D 2944

Patent

active

045853916

ABSTRACT:
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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