Patent ID: 9523416
Filing Date: 2016-12-20
CPC Classification: F02K,F16H,H02K,Y10T

Claim Text:
1. An actuator arrangement comprising: an epicyclic gear set including a sun gear; at least one planet gear in meshing engagement with the sun gear; a ring gear in meshing engagement with the planet gear, the planet gear being carried by a rotatable support, wherein one of the sun gear and the support is arranged to be driven by a motor and the other of the sun gear and the support is arranged to drive an actuator; and a clutch arrangement operable to resist rotation of the ring gear; wherein the clutch arrangement comprises an eddy current clutch that includes a permanent magnet and a conducting element, one of which is coupled to the ring gear and the other being fixed, with an air gap being provided between the magnet and conducting element, wherein the permanent magnet is coupled to the ring gear of the epicyclic gear set and the conducting element is fixed.