Drive system for rotating a wheel of a landing gear having a transmission error measurement apparatus
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United States of America Patent
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Nov 29, 2022
Grant Date -
Aug 29, 2019
app pub date -
Feb 26, 2019
filing date -
Feb 27, 2018
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A drive system 20, 20′ for rotating a wheel 11, 11′ of an aircraft landing gear 10, 10′, is disclosed having a drive element 24, 24′, a motor 21, 21′ operable to rotate the drive element, and a driven gear 25, 25′ adapted to be attached to the wheel. The drive system has a drive configuration in which the drive element is capable of meshing with the driven gear to drive the driven gear, wherein the drive system further comprises a transmission error measurement apparatus 30, 40, the apparatus configured to obtain, over time, measurement data of one or more characteristics of the drive system when in the drive configuration, the measurement data providing an indication of a transmission error between a torque commanded by the motor and a resulting torque at the driven gear. An aircraft 100 and a method of providing an indication of a transmission error in a drive system is disclosed.
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