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Engine air inlet protection device with deicing capability

A protection device and engine technology, which is applied to the combustion of the air intake of the power unit, the power unit on the aircraft, the arrangement/installation of the power unit, etc., can solve the damage of the engine blade, easy to be sucked into the engine, and the low efficiency of electric heating and deicing. And other issues

Active Publication Date: 2021-06-08
LOW SPEED AERODYNAMIC INST OF CHINESE AERODYNAMIC RES & DEV CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this patent uses electric heating to de-ice. After the ice melts into water, it is easily sucked into the engine, causing damage to the engine blades and other faults; and the electric heating de-icing has the problems of low efficiency and high energy consumption.

Method used

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  • Engine air inlet protection device with deicing capability
  • Engine air inlet protection device with deicing capability
  • Engine air inlet protection device with deicing capability

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Embodiment Construction

[0039] The following description provides many different embodiments, or examples, for implementing various features of the invention. The elements and arrangements described in the following specific examples are only used to express the present invention in a concise manner, and are only used as examples rather than limiting the present invention.

[0040] An engine intake guard with deicing capability, such as figure 1 As shown, it includes a supporting framework 1 and a protective net 2; the protective net 2 is fixed on the supporting framework 1, preferably, the edge of the protective net 2 is screwed to the supporting framework 1 to realize the fixing of the protective net.

[0041] The protective net 2 includes a protective base 21, and a through hole 22 is provided on the protective base 21, such as figure 2 shown.

[0042] It is worth noting that the shape of the through hole 22 in this embodiment is circular, but those skilled in the art can understand that the pr...

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Abstract

The invention is suitable for the technical field of aircraft ice prevention and removal, and provides an engine air inlet protection device with deicing capability; the device comprises a support framework and a protection net; the protection net comprises a protective base body, and a through hole is formed in the protective base body; a mounting groove is formed in the support framework, an exciter is fixedly mounted between the protective base body and the mounting groove, and a gap is formed between the exciter and the protective base body of the protective net; the exciter includes a pulse coil. The protection device can simultaneously solve the problems that foreign matter is sucked into the engine and the air inflow of the engine is reduced due to freezing of the protection net; the deicing efficiency is high, and the accident that removed crushed ice is sucked into an engine to cause damage to engine blades can be avoided; the exciters are independently controlled, the exciters are started or work in a high-power mode for an icing area or a seriously-iced area, the exciters in other areas do not work or work in a low-power mode, and therefore energy consumption is reduced.

Description

technical field [0001] The invention relates to the technical field of aircraft anti-icing, in particular to an engine intake protection device with deicing capability. Background technique [0002] Helicopters take off and land in a variety of environments, so that the air entering the engine contains dust, sand and weeds and other debris, and there is a danger of birds hitting the engine during flight. Therefore, it is necessary to install protective devices at the engine intake to prevent Prevent debris and birds from being sucked into the engine. When the aircraft is flying in the air, if it encounters icing weather conditions, icing will occur on the engine protection device, which will seriously affect the engine intake air field and threaten flight safety. [0003] Patent CN110107405A discloses an engine air intake protection grid, which consists of heating components arranged horizontally and vertically to form a protection grid. The protection grid can prevent larg...

Claims

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Application Information

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IPC IPC(8): B64D33/02
CPCB64D33/02B64D2033/022B64D2033/0233
Inventor 顾兴士柳庆林刘森云
Owner LOW SPEED AERODYNAMIC INST OF CHINESE AERODYNAMIC RES & DEV CENT
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