H - Electricity – 02 – K
Patent
H - Electricity
02
K
310/82
H02K 1/06 (2006.01) H02K 1/17 (2006.01) H02K 5/04 (2006.01) H02K 23/04 (2006.01)
Patent
CA 1196367
- 15 - PERMANENT MAGNET DC MOTOR WITH MAGNETS RECESSED INTO MOTOR FRAME Abstract A motor frame and stator assembly (20), (27), for a permanent magnet direct current motor is shown which is characterized by accommodating a larger and more powerful armature (12) relative to the interior and exterior dimensions of the frame (20). The assembly (20), (27) includes a metal frame (20) having a pre-determined length and continuous walls the inner surface of which define a void (24). A plurality of arcuate, recessed seats (25) is formed into the inner walls of the frame (20) in spaced-apart intervals around and extending along at least a part of the length of the frame (20). The walls of the frame (20) along the extent of the seats (25) are of reduced cross-sectional thickness. A plurality of permanent magnets (27) having a convex and concave side are mounted by the convex side against one of the plurality of seats (25). A permanent magnet DC motor (10) constructed of one or more metal frame modules (20) is also disclosed.
433629
Powertron Division Of Contraves Goerz Corporation
Ridout & Maybee Llp
LandOfFree
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