Electromagnetic device with low remanence

Details Electromagnetic device with low remanence Electromagnetic device with low remanence

1988-01-29

1990-03-20

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 78, 310256, H02K 106, H01F 310

Patent

active

049104225

ABSTRACT:
An electromagnetic device such as an electromagnetic brake or an electromagnetic coupling comprises an electromagnet, at least two parts arranged so that, when the electromagnet is switched on, a magnetic flux extends through the parts. Formations reducing residual magnetism in the parts, including a plurality of gaps formed as slots, are provided in at least one of the parts, such that this part remains a one-piece member.

REFERENCES:
patent: 3633139 (1970-04-01), Thompson
patent: 4751417 (1988-06-01), Krinikas, Jr. et al.

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