Magneto D.C. motor having elastic magnet mounting retainers

Details Magneto D.C. motor having elastic magnet mounting retainers Magneto D.C. motor having elastic magnet mounting retainers

1985-03-01

1988-05-17

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310254, H02K 2126

Patent

active

047453192

ABSTRACT:
A plurality of permanent magnets (4) are disposed with gaps between adjacent magnets along the inner peripheral surface of a yoke (2) of a stator for a magneto D.C. motor. In gaps between magnets, there are provided retainers (3), ech of which is made of an elastic member and consists of one surface (11) fixed on the yoke, two surfaces (12, 13) extending in the central axial direction of the D.C. motor along the side facing surfaces (71, 72) of the magnets opposite to each other on the inner peripheral surface of the yoke and two end portions (32) connecting these two surfaces (12, 13). Those two surfaces (12, 13) and end portions (32) are kept in contact with the permanent magnet from three directions, namely from both facing surfaces (71, 72) of the permanent magnet and from each of the outer surfaces (81, 82) of the magnets adjacent to each facing surface (71, 72) extending in the central axial direction, whereby the permanent magnets are pressed and clamped so as to be secured to the yoke.

REFERENCES:
patent: 2971107 (1961-02-01), Jin
patent: 3056896 (1962-10-01), Ludemann et al.
patent: 3091713 (1963-05-01), Latta
patent: 3631277 (1971-12-01), Ferdig
patent: 3790830 (1974-02-01), Bonfiglio
patent: 4137884 (1979-02-01), Odazima et al.
patent: 4383193 (1983-05-01), Tomite et al.
patent: 4542314 (1985-09-01), Corbach et al.
patent: 4580072 (1986-04-01), Morishita

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