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Helicopter and blade thereof

A technology of helicopters and blades, which is applied in the field of helicopters, can solve the problems of low hovering aerodynamic efficiency and high noise, and achieve the effects of high hovering aerodynamic efficiency, low noise, and good shock and noise reduction effects

Inactive Publication Date: 2015-02-04
RESEARCH INSTITUTE OF TSINGHUA UNIVERSITY IN SHENZHEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The hover aerodynamic efficiency of this blade is low, and the noise is relatively loud

Method used

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  • Helicopter and blade thereof
  • Helicopter and blade thereof
  • Helicopter and blade thereof

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Embodiment Construction

[0026] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0027] A blade 10 for a helicopter according to an embodiment of the present invention will be described below with reference to the drawings.

[0028] Such as Figure 1-Figure 7 As shown, the helicopter blade 10 according to the embodiment of the present invention includes a main body portion 100 , a blade root portion 200 and a blade tip portion 300 .

[0029] The main body 100 extends straight along the horizontal direction (the horizontal direction is as Figure 1-Figure 3 Indicated by the arrow A in). The blade root part ...

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Abstract

The invention discloses a helicopter and a blade thereof. The blade of the helicopter comprises a main body part, a blade root part and a blade tip part, wherein the main body part straightly extends along a horizontal direction; the blade root part is connected to one end of the main body part; the blade tip part is connected to the other end of the main body part, and the blade tip part downwards extends from one end, which is close to the main body part, of the blade tip part to one end, which is far away from the main body part, of the blade tip part. The blade of the helicopter disclosed by the embodiment of the invention has the advantages of high pneumatic hovering efficiency, good shock absorption and noise reduction effects, and the like.

Description

technical field [0001] The invention relates to the technical field of aviation equipment, in particular to a helicopter blade and a helicopter with the helicopter blade. Background technique [0002] In the helicopters in the related art, the blades are mostly based on a straight or trapezoidal configuration, and on this basis, a suitable negative twist angle is rotated. The hovering aerodynamic efficiency of this kind of blade is relatively low, and it is noisy. Contents of the invention [0003] The present invention aims to solve one of the above-mentioned technical problems in the related art at least to a certain extent. Therefore, the present invention proposes a helicopter blade, which has the advantages of high hovering aerodynamic efficiency, good shock and noise reduction effects, and the like. [0004] The invention also proposes a helicopter with the blades of said helicopter. [0005] In order to achieve the above object, according to the embodiment of the...

Claims

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Application Information

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IPC IPC(8): B64C27/473
Inventor 王浩文刘峰张玉文姜辰
Owner RESEARCH INSTITUTE OF TSINGHUA UNIVERSITY IN SHENZHEN
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