Metal working – Method of mechanical manufacture – Electrical device making
Patent
1979-10-22
1981-08-04
Hall, Carl E.
Metal working
Method of mechanical manufacture
Electrical device making
29736, H02K 1506
Patent
active
042814502
ABSTRACT:
Methods and apparatus are disclosed for relatively positioning coils within winding coil groups for a magnetic core to facilitate insertion of the coil group into axially extending slots of the magnetic core of a stator assembly.
One method that is disclosed involves intercepting the end turn portion of a first relatively large coil having a lateral position outward relative to the end turn portion of a second relatively smaller coil with yieldable means as the coils are moved toward a magnetic core for subsequent insertion of the first and second coils into respective axially extending slots of the magnetic core. The arrangement of the first coil end turns inside of the second coil reduces the interengagement pressure between the first coil and the second coil normally occurring during the insertion of the coils into their respective slots of the magnetic core.
Apparatus is illustrated for inserting one or more windings into a magnetic core of a stator assembly. The apparatus includes yieldable means that intercept end turn portions of one coil of a winding coil group as the winding is moved toward the magnetic core for subsequent insertion. The intercepted end turn portions are displaced by the yieldable means to a position inside end turn segments of a second coil of the winding. Prior to interception, the end turns of the first coil are laterally outside of the end turns of the second coil.
REFERENCES:
patent: 2934099 (1960-04-01), Mason
General Electric Company
Hall Carl E.
Krisher, Jr. Ralph E.
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