Linear motor

Details Linear motor Linear motor

H - Electricity

02

K

310/64

H02K 41/02 (2006.01) H02K 41/03 (2006.01) H02K 41/035 (2006.01)

Patent

CA 1159502

TITLE OF THE INVENTION "LINEAR MOTOR" ABSTRACT OF THE DISCLOSURE A linear motor comprises an armature and a stator each adapted to provide a sequence of North and South poles along the length of the motor. The pole pitch of the stator magnets is different from that of the armature coils such that with appropriate energisation of the coils this difference in pole pitch and stator can result in a net thrust of the armature relative to the stator in a desired direction at any location within a range of relative longitudinal positions of the armature and stator. The motor may be subject to closed loop velocity - and/or positional control and means are disclosed to achieve this. Several variations in pole configurations and means of controlling the coil energisation are disclosed.

377774

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