Electromagnetic shield for alternating current induction railway

Details Electromagnetic shield for alternating current induction railway Electromagnetic shield for alternating current induction railway

1995-03-24

1996-01-02

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 89, H02K 112

Patent

active

054811511

ABSTRACT:
An electromagnetic shield for an AC motor comprises a stack including a plurality of ferro-magnetic shield layers. Each one of the plurality of shield layers is at least partially electrically insulated from and substantially aligned with the others of the plurality of shield layers. The plurality of shield layers are positioned over a portion of the AC motor near an area where an axle will be positioned.

REFERENCES:
patent: 1677004 (1928-07-01), Pohl
patent: 2323662 (1943-07-01), Jenkins et al.
patent: 3714483 (1973-01-01), Nurnberg et al.
patent: 4152615 (1979-05-01), Calfo et al.
patent: 4281266 (1981-07-01), Calfo et al.
patent: 5243248 (1993-09-01), Benford et al.
patent: 5325005 (1994-06-01), Denk

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