Measurement of coupling misalignment of a driveshaft

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United States of America Patent

PATENT NO 9346561
APP PUB NO 20140207332A1
SERIAL NO

14158154

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Abstract

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According to one embodiment, a system for measuring coupling misalignment of a rotorcraft drive shaft includes a reference device and a sensor. The sensor is configured to receive a signal from the reference device indicative of a distance between the reference device and the sensor. The reference device and the sensor are configured to be disposed on opposite sides of a flexible coupling coupled to the drive shaft and disposed between the engine and the pylon. The flexible coupling is configured to rotate with the drive shaft and comprises a flexure portion configured to flex in response to a difference in alignment between the engine and the pylon. A misalignment measurement system may be configured to generate a misalignment value in response to the signal.

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Patent Owner(s)

Patent OwnerAddress
BELL HELICOPTER TEXTRON INCPOST OFFICE BOX 482 FORT WORTH TX 76101

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Seifert, Michael Southlake, US 47 488
VanBuskirk, Matthew Bedford, US 1 4

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