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Full-engine emergency mode control method for three-engine helicopter

An emergency mode and control method technology, applied to aircraft parts, aircraft power units, transportation and packaging, etc., can solve the problems of helicopter maximum available power take-off power limitation, helicopter performance engine performance limitation, engine output power attenuation, etc., to achieve The effect of improving the ability to perform emergency tasks and improving flight safety

Active Publication Date: 2021-01-05
CHINA HELICOPTER RES & DEV INST
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

However, since the output power of the engine will decay with the rise of temperature and altitude, the performance of the helicopter in high temperature plateau or high plateau conditions is almost always limited by the engine performance
Under normal conditions, the maximum available power of the helicopter is limited by the engine take-off power

Method used

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  • Full-engine emergency mode control method for three-engine helicopter

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Embodiment Construction

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0024] A three-engine helicopter all-engine emergency mode control method includes two modes of pilot-controlled use and automatic use. Such as figure 1 shown.

[0025] Pilot's control and use: The helicopter arranges the function switch in the cockpit, and sends the "all-engine emergency" control signal to the three engine electronic controllers at the same time through the toggle switch. The three engines judge the time of receiving signals...

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Abstract

The invention belongs to the field of helicopter power system design, and relates to a full-engine emergency mode control method for a three-engine helicopter. Under special conditions, the power of the three engines is increased to the emergency power through automatic control or by a driver, so that the flight safety of the helicopter and the capability of executing emergency tasks are improved.

Description

technical field [0001] The invention belongs to the field of helicopter power system design, and relates to a control method for an all-engine emergency mode of a three-engine helicopter. Background technique [0002] my country has a vast territory and complex landforms. In a broad sense, mountainous areas account for nearly 70% of the country's land area. Therefore, compared with other countries and regions in the world, more attention is paid to its performance under high temperature and plateau conditions during the development of helicopters. However, since the output power of the engine will decay with the rise of temperature and altitude, the performance of the helicopter under high temperature plateau or high plateau conditions is almost always limited by the engine performance. Under normal conditions, the maximum available power of the helicopter is limited by the engine take-off power. But above the take-off power, there is also an emergency power used in the cas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64D31/00
CPCB64D31/00
Inventor 王智田野王艳宁陈瑞徐朝梁刘文琦王辉谌昱于静陈龙
Owner CHINA HELICOPTER RES & DEV INST
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