Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1987-07-06
1988-11-22
Budd, Mark O.
Electrical generator or motor structure
Dynamoelectric
Rotary
310259, 310171, 310 54, 310168, H02K 304, H02K 1924
Patent
active
047868341
ABSTRACT:
An adjustable speed inductor type rotating dynamoelectric machine, capable of high speed operation, employs a stator assembly incorporating a spool-like support structure. A central, generally cylindrical portion of the support structure supports field windings while radially oriented end portions of the spool-like structure mount and accurately position a circumferentially distributed plurality of C-shaped armature core elements. Radially directed, angularly spaced grooves in the outer surfaces of the end portions receive legs of the C-shaped armature elements and serve to precisely position these elements in three orthogonal directions. The central portion of the armature-field winding support structure may be made of electrically conductive material to provide a flux shield and dissipate heat. For additional ventilation, cooling ports may be provided in the central portion of the spool-like support which cooperate with extended recesses in a coaxial rotor. The rotating rotor centrifugally propels cooling fluid through said ports into the spaces occupied by the field windings and armature windings.
REFERENCES:
patent: 437501 (1890-09-01), Mordey
patent: 2159695 (1939-05-01), Gorham
patent: 2519097 (1950-08-01), Allen
patent: 3192958 (1975-10-01), Steen
patent: 3241111 (1966-03-01), Sandstrom
patent: 4385251 (1983-05-01), Mallick et al.
Grant James J.
Hartung Edward C.
Miller William H.
Budd Mark O.
Jones Judson H.
REM Technologies, Inc.
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