Reverse thrust device and aero-engine

A technology of thrust reverser and aero-engine, which is applied in the direction of machine/engine, jet propulsion, air transportation, etc., can solve the problem of low thrust reverser efficiency, and achieve the effects of improving thrust reverser efficiency, reducing weight, and optimizing structural design.

Active Publication Date: 2021-12-31
AECC COMML AIRCRAFT ENGINE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The inventors have found that there is a problem of low inversion efficiency in related technologies

Method used

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  • Reverse thrust device and aero-engine
  • Reverse thrust device and aero-engine
  • Reverse thrust device and aero-engine

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Embodiment Construction

[0031] Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is illustrative only, and in no way restricts the disclosure, its application or uses. The present disclosure can be implemented in many different forms and is not limited to the examples herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that relative arrangements of parts and steps, compositions of materials, numerical expressions and numerical values ​​set forth in these embodiments should be interpreted as illustrative only and not as limiting, unless specifically stated otherwise.

[0032] "First", "second" and similar words used in the present disclosure do not indicate any order, quantity or importance, but are only used to distinguish diffe...

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Abstract

The invention relates to a reverse thrust device and an aero-engine. The reverse thrust device comprises a movable outer cover; at least one flow blocking door, wherein the first end of the flow blocking door is hinged to a core cabin cover, and the flow blocking door is configured to rotate to an opening position and a folding position relative to the core cabin cover; at least one movable connecting rod, wherein one end of the movable connecting rod is hinged to the movable outer cover, and the other end of the movable connecting rod is hinged to the second end of the flow blocking door; and a flow blocking door driving mechanism, wherein the flow blocking door driving mechanism is configured to drive the flow blocking door to rotate relative to the core cabin cover, so that the flow blocking door is switched between the opening position and the folding position. The reverse thrust device of the structural form does not need to be provided with an actuating cylinder, so that the area of a blade grid is effectively increased, the structural design is optimized, the weight of the reverse thrust device is reduced, and the reverse thrust efficiency of the reverse thrust device is improved.

Description

technical field [0001] The present disclosure relates to the technical field of aero-engines, in particular to a thrust reverser and an aero-engine. Background technique [0002] The thrust reverser is an important structure in civil aviation large bypass ratio engine models. It is used to change the direction of the engine fan airflow to generate reverse thrust. When the aircraft lands normally, it can shorten the landing of the aircraft on dry and slippery runways. Rolling distance. [0003] The actuation forms of the thrust reverser include clamshell type and cascade type. The reverse thrust efficiency of the clamshell type is low, and the cascade type is that the actuator pushes the mobile cover to expand backward and drives the choke door linkage to expose the cascade and The anti-thrust flow channel is formed in the outer culvert to realize the return of the airflow, and the anti-thrust efficiency is high, but a complete set of actuation system is required to drive th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02K1/32F02K1/76F02K1/82
CPCF02K1/32F02K1/76F02K1/82Y02T50/60
Inventor 赵天赵佳佳
Owner AECC COMML AIRCRAFT ENGINE CO LTD
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