Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1974-11-05
1976-09-28
Budd, Mark O.
Electrical generator or motor structure
Dynamoelectric
Rotary
310216, 310217, H02K 112
Patent
active
039834344
ABSTRACT:
A stator core structure, and method of making same, for a dynamoelectric machine formed of a first plurality of generally U-shaped segments each having a bight portion and leg portions. Each of the first segments is formed of a plurality of relatively thin laminations of flat strip ferro-magnetic material, the bight portion of each of the first segments having an opening formed therethrough intermediate its leg portions. The first segments are arranged with their bight portions lying generally on a first circle and with their leg portions extending radially inwardly, the leg portions of adjacent first segments being in adjacent, parallel relationship thereby mutually forming first spaced polar projections. At least a second plurality of generally U-shaped segments is provided equal in number to the first segments and each having a bight portion and leg portions, each of the second segments also being formed of a plurality of laminations of relatively thin flat strip ferro-magnetic material. Each of the second segments is arranged with its bight portion lying on a second circle coaxial with and larger than the first circle and spanning an adjacent two of the first segments, the leg portions of adjacent second segments being in adjacent, parallel relationship and extending radially inwardly through an opening in the bight portion of a respective one of the first segments thereby mutually forming second spaced polar projections respectively intermediate the first projections, the first and second projections having inner ends which define a cylindrical bore for receiving a rotor member.
REFERENCES:
patent: 794998 (1905-07-01), Mott
patent: 1255606 (1918-02-01), Hensley
patent: 1255607 (1918-02-01), Hensley
patent: 1946468 (1934-02-01), Bindschedler
patent: 2487692 (1949-11-01), Brouwer
patent: 2503092 (1950-04-01), Brouwer
patent: 3591819 (1961-07-01), Laing
Budd Mark O.
General Electric Company
Papin Joseph E.
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