Magneto-type D-C electric motor

Electrical generator or motor structure – Dynamoelectric – Rotary

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Details

310 89, 310154, H02K 1300

Patent

active

045380856

ABSTRACT:
A magneto-type D-C electric motor including a cylindrical yoke, field poles consisting of permanent magnets that are adhered onto the inner peripheral surface of the yoke, a bracket coupled to the yoke, an armature which is rotatably supported by the bracket and which is opposed to the field poles in the radial direction, brushes which are brought into slidable contact with the armature to supply electric power thereto, a brush holder which is secured to bracket and which holds brushes, and an engaging member which engages with the brush holder and with the field poles to determine the positions of field poles and brush holder relative to each other in the circumferential direction.

REFERENCES:
patent: 1808747 (1931-06-01), Apple
patent: 1966057 (1934-07-01), Winkel
patent: 2070718 (1937-02-01), Ehrlich
patent: 3277325 (1966-10-01), Staff
patent: 3445693 (1969-05-01), Crawshaw et al.
patent: 3663851 (1972-05-01), Persson
patent: 4414481 (1983-11-01), de Jong

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