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Helicopter with Anti-torque system

A helicopter, anti-torque technology, applied in the field of anti-torque systems

Active Publication Date: 2020-08-04
LEONARDO SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0030] In other words, the anti-torque matrix is ​​only subject to self-generated loads, and in fact only defines the protection of the rotor

Method used

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  • Helicopter with Anti-torque system
  • Helicopter with Anti-torque system
  • Helicopter with Anti-torque system

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Experimental program
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Embodiment Construction

[0062] Referring to the drawings, reference numeral 1 denotes a helicopter.

[0063] In this description, the terms "higher", "lower", "vertical", etc. refer hereinafter to the state of the helicopter 1 on the ground.

[0064] Helicopter 1 basically consists of:

[0065] - Fuselage 2 with nose 3 in front of it;

[0066] - drive unit 12;

[0067] - the main rotor 4, equipped with a plurality of blades 11, positioned on top of the fuselage 2, driven by a drive unit 12 and rotatable about the axis A;

[0068] - the tail section 5, which is located at the opposite end of the fuselage 2 to the nose 3 and comprises a vertical stabilizer 6 and a horizontal stabilizer 7 projecting in cantilevered fashion on either side of the vertical stabilizer 6; and

[0069] -An anti-torque system 10 carried by the tail section 5 .

[0070] More precisely, the tail section 5 includes a tail beam 50 . The vertical empennage 6 is arranged at the rear end of the tail boom 50 , and the horizontal ...

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PUM

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Abstract

An anti-torque system (10) for a helicopter (1) is described that comprises: an electric power supply unit (15); at least one first rotor (17), operatively connected to an electric power supply unit (15) and operable by the electric power supply unit (15) so as to rotate with a first variable angular speed; and at least one second rotor (25) operatively connected to electric power supply unit (15)and operable by the electric power supply unit (15) so as to rotate with a second variable angular speed.

Description

[0001] Cross References to Related Applications [0002] This patent application claims priority from European Patent Application No. 17210094.3 filed on December 22, 2017, the entire disclosure of which is incorporated herein by reference. technical field [0003] The invention relates to an anti-torque system for a helicopter. Background technique [0004] In known manner, a helicopter basically comprises a fuselage, a main rotor located on top of the fuselage and rotating about a first axis, and a counter-torque rotor located at the tail end of the helicopter and rotating about a second axis transverse to the first axis. [0005] The main rotor has the function of generating the lift needed to support the helicopter, enabling the height of the helicopter to be varied, and moving the helicopter forward / backward and sideways. [0006] As is known, the main rotor exerts a first torque on the fuselage of the helicopter in a first direction. This first torque tends to cause ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64C27/82B64C27/12B64D27/24
CPCB64C27/12B64C27/82B64D27/24B64C2027/8209B64C2027/8227B64C2027/8254B64D2027/026Y02T50/60Y02T50/40B64C27/08B64C27/14B64U10/10
Inventor 马西莫·布鲁内蒂路易吉·马里亚·博塔索吴志素加里·韦勒
Owner LEONARDO SPA
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