Noise reduction arrangement in a claw-type dynamo electric machi

Details Noise reduction arrangement in a claw-type dynamo electric machi Noise reduction arrangement in a claw-type dynamo electric machi

1977-02-24

1978-08-29

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310216, 310259, 310263, H02K 524

Patent

active

041106423

ABSTRACT:
To reduce the noise level of operation and particularly cyclically recurring attractive forces between the rotor and the stator, the stator stack package is interrupted centrally by a sheet or strip of material different from electrical lamination sheet steel, for example a soft iron insert, or an insert of non-magnetic material such as a strip of bronze, brass, or insulating material.

REFERENCES:
patent: 2235903 (1941-03-01), Schonfelder
patent: 2235905 (1941-03-01), Schonfelder
patent: 3171996 (1965-02-01), Alger
patent: 3610979 (1977-10-01), Thomas
patent: 4012653 (1977-03-01), Shigeta

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