Electromagnetic devices

Details Electromagnetic devices Electromagnetic devices

H - Electricity

02

K

310/64

H02K 41/02 (2006.01)

Patent

CA 1061394

ABSTRACT OF THE DISCLOSURE An electromagnetic device comprises an annular stator and a movable armature having a cylindrical outer surface, located within the stator, the stator having a thread formation consisting of a pair of helical grooves and the armature having at least two thread formations each consisting of a pair of helical grooves of the thread formations being of the same helix angle, the thread formation on the stator having a winding set comprising windings in each of the grooves of the formation, the direction of current flow in the windings being in the opposite direction whereby when electric current is past through the windings relative movement of the stator and armature will take place to reduce the reluctance of the magnetic paths between the parts.

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