Axial gap type coreless electric motor with noise reduction

Electrical generator or motor structure – Dynamoelectric – Rotary

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Details

310 51, 310 89, H02K 500

Patent

active

046773355

ABSTRACT:
In an axial gap type coreless electric motor, a frame bracket (16), which is disposed facing a field magnet (12) with a rotary armature (14) inserted in between, has radial ribs (19) formed outside thereof and disposed radially from a central part to a peripheral part of the frame bracket. The ribs are tapered, with their heights and widths gradually narrowed from the center part to the peripheral parts of the frame bracket.

REFERENCES:
patent: 2438629 (1948-03-01), Anderson
patent: 3912956 (1975-10-01), Muller
patent: 4357550 (1982-11-01), Muller

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