ELECTRIC INDUSTRIAL CO LTD ELECTRIC MOTORS

摘要

1310155 Planar air gap electric motors MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 31 March 1970 [28 March 1969] 15270/70 Heading H2A A planar gap type commutator motor is provided with a discoidal armature 10 formed by striking in a successively staggered relationship of an angle corresponding to one commutator segment a plurality of armature elements 20 of like winding pattern each including printed circuit or punched flat strip conductor spiral coils C1 ... C6 provided on the front and rear surfaces of an insulating disc 6 and all interconnected mutually in series by connections 21c, 22c passing through their centres to form one circuit of a wave winding the number of coils being u where v is the number of motor poles, and each element has on its inner peripheral edge (u/2) + 1 inwardly projecting terminals 23 connected to the commutator 15. A casing 14 carries field magnets 18, 19, armature shaft bearings 12, 13, and brushes 16, 17 engaging the commutator 15 which is of the face type.