CYLINDRICAL LINEAR INDUCTION MOTOR Russian patent published in 2013 - IPC H02K41/25 

FIELD: engines and pumps.

SUBSTANCE: proposed motor comprises inductor with three-phase winding composed of coil modules 1 alternating axially with ferromagnetic washers 2 and ferromagnetic yoke 3. Armature comprises ferromagnetic core 4 supporting alternating ferromagnetic and electrically conducting rings 5, 6, respectively. Armature has bore to accommodate cylinder 7 furnished with handle 8 and consisting of two types of alternating rings. First type of rings consists of combined conducting and insulating parts 10, 11, respectively. Second type represents ferromagnetic rings 12.

EFFECT: expanded range of rpm adjustment.

6 dwg