D-C dynamo electric machine

Details D-C dynamo electric machine D-C dynamo electric machine

1977-01-13

1979-02-20

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310186, 310218, H02K 2324

Patent

active

041409353

ABSTRACT:
To improve commutation and, particularly, to suppress commutator sparking and arc-over or flash-over, an auxiliary yoke is placed between the main poles and the auxiliary or commutating poles of a salient pole machine, the auxiliary yoke being formed of stacked lamellae, preferably with an adjustable air gap. Adjustability can be obtained by forming the auxiliary yoke with two interengaging sections, one of which is movable with respect to the other, so that commutation at the specific poles can be adjusted by adjusting the air gap of the auxiliary yoke.

REFERENCES:
patent: 975425 (1910-11-01), Hensley
patent: 1764890 (1930-06-01), Reichel
patent: 2726345 (1955-12-01), Guilbert
patent: 3263147 (1966-07-01), Robinett
patent: 3590293 (1971-06-01), Susdorf
patent: 3809937 (1974-05-01), Sjoberg

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