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Method and apparatus for monitoring components of an aircraft landing system

A landing system and aircraft technology, applied in aircraft, brake control systems, brake components, etc., can solve the problems of triggering wheel fuses, yielding, and inability to correlate the temperature of the wheels

Active Publication Date: 2018-03-23
THE BOEING CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Conventional systems use only brake temperature measurements which in most cases cannot be correlated with wheel temperature due to thermal shielding
These conventional systems also do not address the problem of operators tripping wheel fuses due to exceeding predetermined temperature thresholds for the wheels
therefore, operators may succumb to overly conservative delay times to compensate for insufficient data on actual wheel temperatures

Method used

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  • Method and apparatus for monitoring components of an aircraft landing system
  • Method and apparatus for monitoring components of an aircraft landing system
  • Method and apparatus for monitoring components of an aircraft landing system

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Embodiment Construction

[0017] This document discloses methods and devices for monitoring the components of an aircraft's landing system. During a braking event (eg, landing, taxiing, stopping, etc.) of the aircraft, the brakes (eg, rotor and stator) of the brake assembly generate heat. Heat is conducted from the brake assembly to the wheel operatively coupled to the brake assembly. The wheel may include a fuse that includes a seal that melts at a threshold temperature. If the seal melts, the air is released from the tire on the wheel. After a braking event or multiple braking events in a given time period, the temperature of the fuse will increase towards the threshold temperature. The example methods and devices disclosed herein can be used to monitor the temperature of the wheels and / or the temperature of the fuses to enable the operator of the aircraft, the aircraft control system, etc. to determine when to schedule a future braking event (for example, at the destination Landing) or perform one...

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PUM

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Abstract

The present application discloses methods and apparatus for monitoring components of an aircraft landing system. An example method includes determining a first temperature of a wheel of the aircraft via a first temperature sensor, and determining a second temperature of a brake assembly operably coupled to the wheel via a second temperature sensor. The example method further includes estimating a peak temperature of a fuse disposed on the wheel based on the first temperature and the second temperature.

Description

Technical field [0001] The present invention relates generally to aircraft landing systems, and more particularly to methods and devices for monitoring components of aircraft landing systems. Background technique [0002] Generally, an aircraft includes wheels and brakes to assist in taxiing, landing, stopping, etc. When the brake is operating, the brake generates heat. The heat from the brake can be conducted to the wheel. Generally, each wheel includes one or more fuse / fuse plugs. The fuse may include a seal that melts when reaching a threshold temperature to release air from the tire on the wheel. Conventional systems only use brake temperature measurement, which in most cases cannot be correlated with wheel temperature due to thermal shielding. These conventional systems also cannot solve the problem of the operator triggering the wheel fuse due to exceeding the predetermined temperature threshold of the wheel. Therefore, the operator may succumb to an overly conservativ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64D47/00B60C23/04F16D66/00
CPCB60T8/1703B64C25/42B60T17/221F16D2066/001B60T8/885B60T2270/406B60C2200/02G01K3/04F16D66/00
Inventor T·D·米勒
Owner THE BOEING CO