Dynamo electric machine construction, particularly for combinati

Details Dynamo electric machine construction, particularly for combinati Dynamo electric machine construction, particularly for combinati

1984-12-10

1986-09-30

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 66, 310 90, 310216, 417420, H02K 1700

Patent

active

046148876

ABSTRACT:
To provide a dynamo electric machine, for combination, preferably, with a centrifugal circulating pump, having a rotor which is at least part-spherical, the stator is formed of edge-wound strip material, in which the stator part is a continuous strip of L-shape deformed strip, with notches (9') cut into the L prior to deformation, the bending edge (15) of the L changing throughout the length of the strip, uniformly, with uniform change of the spacing of the notches so that, as the strip is wound over a part-spherical form which defines an air gap between the rotor and stator, the width of the teeth between adjacent notches (9') will increase to define continuous through-slots (9) for the windings, and the bending corner (15) likewise will change from a position near the root of the notches (9') to a position within the solid portion of the second leg (18) of the L. In assembly, the solid portion or second leg forms the return yoke for the stator magnetic circuit, and is located circumferentially about the axis of rotation of the motor, forming a stepped arrangement which, at least approximately, conforms to the part-spherical air gap.

REFERENCES:
patent: 3438328 (1969-04-01), Laing
patent: 3447469 (1969-06-01), Laing
patent: 3581132 (1971-05-01), Laing
patent: 3814963 (1974-06-01), Laing
patent: 4002936 (1977-01-01), Laing
patent: 4043706 (1977-08-01), Walker
patent: 4051401 (1977-09-01), Hayward
patent: 4352646 (1982-10-01), Laing et al.
patent: 4471253 (1984-09-01), Laing

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