US 2025/0019067 A1 · Single Flap Drive System For Decentralized Flap Architectures

Abstract

A drive assembly for driving a movable flow body of an aircraft, includes: a power drive unit, a flight control computer, a first flex shaft connecting the power drive unit to an inboard drive station, a second flex shaft connecting the inboard drive station to an outboard drive station, a first actuator connected to the inboard drive station and being couplable with the movable flow body, a second actuator connected to the outboard drive station and being couplable with the movable flow body. The second actuator includes a redundant position feedback sensor. The power drive unit includes a power-off brake, wherein the position feedback sensor is configured to send a position feedback signal to the flight control computer, and the flight control computer is configured to control the power drive unit.

Claims17

Dependent claims

A drive assembly for driving a movable flow body of an aircraft,

comprising:
a power drive unit,
a flight control computer,
a first flex shaft connecting the power drive to an inboard drive station,
a second flex shaft connecting the inboard drive station to an outboard drive station,
a first actuator connected to the inboard drive station and being couplable with the movable flow body,
a second actuator connected to the outboard drive station and being couplable with the movable flow body, the second actuator including a position feedback sensor,
wherein the power drive unit includes a first electric motor and a power-off brake, and
wherein the position feedback sensor is configured to send a position feedback signal to the flight control computer, and the flight control computer is configured to control the power drive unit.

6 more elements

A method for controlling a drive system comprising a plurality of drive assemblies for driving a movable flow body of an aircraft by a redundant flight control computer, comprising:

monitoring the position of a movable flow body by the flight control computer using a position sensor,
sending an activation command from the flight control computer to a power drive unit of at least one of the drive assemblies,
sending a direction command and a speed command from the flight control computer to the power drive unit, and
sending a brake command from the flight control computer to the power drive unit,
wherein the speed command is either “high speed” or “low speed”, and wherein the “high speed” or “low speed” commands correspond to pre-programmed speed values in a motor control electronics of the power drive unit.

2 more elements

Dependencies are inferred from the claim text.

Single Flap Drive System For Decentralized Flap Architectures

Life of this patent

Single Flap Drive System For Decentralized Flap Architectures

Life of this patent

Abstract

Claims17