Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1980-07-24
1983-10-18
Duggan, Donovan F.
Electrical generator or motor structure
Dynamoelectric
Rotary
H02K 4902
Patent
active
044108192
ABSTRACT:
An electromagnetic coupling device including a drive member coupled to the rotary shaft of an electric morot and a follower operating in response to the drive member. The drive member includes first and second magnet pole pieces and a magnetic path forming member. The drive member having a relatively large inertia, serves also as a flywheel. The follower is made to have a relatively small inertia to improve its response characteristic. The drive member has a space incorporating a fixed exciting coil and a fixed magnetic path forming member and a clearance accomodating eddy current generating plate thereby reducing the overall axial dimension of the electromagnetic coupling device.
REFERENCES:
patent: 2701315 (1955-02-01), Winther
patent: 2817029 (1957-12-01), Jaeschke
Kato Masahisa
Kobayashi Takanori
Kumatani Hiroshi
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