SOLENOID/MAGNETIC HOLD BRAKE WITH POWER OFF MAGNET HOLD FUNCTION

A power drive unit, PDU, having a magnetic hold brake for use in an aircraft is disclosed herein. The PDU includes a wheel configured to convey cargo through a portion of the aircraft, a motor (310) coupled to the wheel, a brake disk (320), a solenoid (326) configured to apply a first force to move...

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Bibliographische Detailangaben
Hauptverfasser:	STEGMILLER, Wesley K, LARSON, Wallace H, HARMS, Scott P
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AIRCRAFT ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT AVIATION COSMONAUTICS EQUIPMENT FOR FITTING IN OR TO AIRCRAFT FLYING SUITS PARACHUTES PERFORMING OPERATIONS TRANSPORTING
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Beschreibung
Zusammenfassung:	A power drive unit, PDU, having a magnetic hold brake for use in an aircraft is disclosed herein. The PDU includes a wheel configured to convey cargo through a portion of the aircraft, a motor (310) coupled to the wheel, a brake disk (320), a solenoid (326) configured to apply a first force to move the brake disk (320) in a first direction to resist rotation of the motor (310), wherein the solenoid (326) is further configured to apply a second force to move the brake disk (320) in a second direction opposite the first direction to allow the motor (310) to rotate, and a magnet (328) configured to apply a third force to the brake disk, the third force being in the first direction to apply a drag force to the motor (310).