초록 ▼

A drive system for driving control surfaces of an aircraft includes at least one drive unit, at least one main shaft connectable to the at least one drive unit and at least two adjusting units for each control surface to be driven. Each adjusting unit includes a differential, two rotary actuators an

A drive system for driving control surfaces of an aircraft includes at least one drive unit, at least one main shaft connectable to the at least one drive unit and at least two adjusting units for each control surface to be driven. Each adjusting unit includes a differential, two rotary actuators and an adjustment lever. The differential has at least one input means and two output means and is adapted to transfer torque from the at least one input means to the two output means. The input means is connectable to the main shaft, the two rotary actuators each have a rotation input means and a motion output means. The rotation input means is connectable to one of the output means of the differential each and the adjustment lever is connected to the motion output means of both rotary actuators.

대표청구항 ▼

1. A drive system for driving control surfaces of an aircraft, comprising: at least one drive unit;at least one main shaft connectable to the at least one drive unit,at least one adjusting unit for each control surface to be driven,wherein each adjusting unit comprises: a differential;first and seco

1. A drive system for driving control surfaces of an aircraft, comprising: at least one drive unit;at least one main shaft connectable to the at least one drive unit,at least one adjusting unit for each control surface to be driven,wherein each adjusting unit comprises: a differential;first and second rotary actuators; andan adjustment lever,the differential having at least one input means and first and second output means and being adapted to transfer torque from the at least one input means to the first and second output means,the input means being couplable to the main shaft,the first and second rotary actuators each having a rotation input means and a motion output means, the respective rotation input means of each of the first and second rotary actuators being coupled to one of the first and second output means, andthe adjustment lever being coupled to the motion output means of the first and second rotary actuators, andin an operational stage, the differential being configured to transfer or distribute torque and rotating motion to the first and second rotary actuators. 2. The drive system of claim 1, wherein the input means is a carrier for holding at least one planetary gear wheel of the differential, wherein the at least one planetary gear wheel mutually engages at least one sun gear wheel. 3. The drive system of claim 1, wherein at least one of the first and second output means of the differential comprises a torque limiter coupled to a brake unit wherein the torque limiter is adapted for adopting a first or a second operating states, wherein in the first operating state the torque limiter transfers a torque from a rotation input to a rotation output and wherein in the second operating state the torque limiter decouples the rotation input and the rotation output and acts on the brake unit for arresting the main shaft. 4. The drive system of claim 1, further comprising a torque limiter arranged in a coupling region of the input means and the main shaft, wherein the torque limiter is adapted for adopting a first or a second operating states, wherein in the first operating state the torque limiter transfers a torque from the main shaft to the input means and wherein in the second operating state the torque limiter decouples the main shaft and the input means. 5. The drive system of claim 1, further comprising a differential lock for locking the differential once the output means rotate with different rotational speeds. 6. The drive system of claim 5, wherein the differential lock comprises a first locking body and a second locking body, wherein either the first locking body or the main shaft has a linear guiding means, wherein the first locking body is connected to a first component of the differential and has first and second end stops located on opposite ends of the first locking body,wherein the second locking body is slidably supported in the linear guiding means and has a locking thread, the locking thread engaging a thread of either the first locking body or the main shaft where the linear guiding means is not present. 7. The drive system of claim 6, wherein the first locking body is a bushing, wherein the linear guiding means is arranged on one of the main shaft and an inner surface of the first locking body, andwherein the locking thread being arranged on one of an outer surface of the second locking body and of an inner surface of the second locking body. 8. The drive system of claim 6, wherein the first locking body is a bushing having a thread-like groove structure on an inner surface, wherein a threadless and linear guiding means comprising shaft carries at least one body of rotation as second locking body movably engaging with the thread-like groove structure of the first locking body. 9. The drive system of claim 6, wherein the first locking body is coupled to one of the first and second output means. 10. The drive system of claim 6, wherein the input means is a carrier for holding at least one planetary gear wheel of the differential, wherein the at least one planetary gear wheel mutually engages at least one sun gear wheel; andwherein the first locking body is coupled to one of the input means and a planetary gear wheel such that the differential lock is activated once the planetary gear wheel rotates relative to the input means. 11. The drive system of claim 6, wherein the end stops comprise at least one sensor that senses the second locking body pressing onto the respective end stop of the first locking body. 12. The drive system of claim 1, further comprising at least one rotational sensor arranged between two components of the differential for detecting a relative rotation of the two components. 13. The drive system according to claim 12, wherein the drive system comprises first and second adjusting units, wherein an evaluation unit recognizes a skew of the control surface by comparing the rotation of components of the differentials of the first and second adjusting units. 14. The drive system according to claim 1, further comprising at least one source of polarized light directing polarized light onto at least one component of at least one differential, and at least one imaging device connected to an evaluation unit and directed to the at least one component, wherein the evaluation unit is adapted for detecting changes of mechanical stress of the respective component. 15. An aircraft having at least one wing, a plurality of control surfaces movably arranged on the wing and a drive system, for driving the plurality of control surfaces of the aircraft, the drive system comprising: at least one drive unit;at least one main shaft connectable to the at least one drive unit,at least one adjusting unit for each control surface to be driven,wherein each adjusting unit comprises: a differential;first and second rotary actuators; andan adjustment lever,the differential having at least one input means and first and second output means and being adapted to transfer torque from the at least one input means to the first and second output means,the input means being couplable to the main shaft,the first and second rotary actuators each having a rotation input means and a motion output means, the respective rotation input means of each of the first and second rotary actuators being coupled to one of the first and second output means,the adjustment lever being coupled to the motion output means of the first and second rotary actuators, andin an operational stage, the differential being configured to transfer or distribute torque and rotating motion to the first and second rotary actuators.