Magnetic damping systems
AssigneeGoodrich Actuation Systems Limited
InventorStephen H Davies
Life of this patent
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Abstract
A rotary magnetic damper comprises a first, rotary damper element, a second, static damper element and a rotary input coupled to the rotary damper element. The coupling between the input and the rotary damper element is such that rotation of the rotary input causes the rotary damper element to progressively magnetically engage the static damper element whereby to progressively increase a damping force created by the damper. The rotary damper element may be a magnet or magnets mounted on a carrier which threadingly engages a screw driving element such that as the input rotates the carrier, it and the rotary damper element translate axially along the screw driving element towards the static damper element.
Claims18
A rotary magnetic damper comprising:
- first and second damper elements which are rotatable relative to each other, and a rotary input coupled to one or both of the damper elements for rotating said one or both of the damper elements,
- wherein at least one of the damper elements is arranged such that rotation of the rotary input moves the at least one of the damper elements to translate towards and away from the other of the damper elements thereby to progressively magnetically engage the other of the damper element to progressively increase a damping force created by the damper;
- wherein the first and second damper elements comprise a rotary damper element and a static damper element;
- and
- wherein the rotary damper element is mounted such that rotation of the rotary input causes the rotary damper element to rotate, the rotational movement of the rotary damping element effecting the translational movement of the rotary damping element progressively magnetically engage the static damper element.
Dependencies are inferred from the claim text.