Armature rotors of electromagnetic retarders

Details Armature rotors of electromagnetic retarders Armature rotors of electromagnetic retarders

1989-02-07

1989-08-01

Wong, Peter S.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 93, 188264A, 188264AA, 416 93R, 416186R, H02K 4904

Patent

active

048535745

ABSTRACT:
The invention provides an armature rotor for electromagnetic retarder, comprising at least one disc (2) extended axially on one of its faces by a plurality of fins (9), each fin being defined by two parallel or substantially parallel faces slanted with respect to the corresponding radii, the tips of the fins being connected together by an annular flange (11) and the assembly formed by the disc, the fins and the flange being made as a single moulded block from ferromagnetic material. The fins (9) of said rotor are particularly thin, numerous and so close together, the thickness of each fin being less than 5 mm and the width of the gap between two consecutive fins, in its narrowest zone, considered perpendicularly to the facing faces of the fins, being less than 10 mm.

REFERENCES:
patent: 3026431 (1962-03-01), Bessiere
patent: 3465853 (1969-09-01), Zabalbeitia
patent: 3908141 (1975-09-01), Lemonnier
patent: 4712656 (1987-12-01), Courtois
patent: 4745317 (1988-05-01), Estaque
patent: 4811822 (1989-03-01), Estaque

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