Self-supporting rotor coil for dc-machine

Details Self-supporting rotor coil for dc-machine Self-supporting rotor coil for dc-machine

1981-07-01

1985-09-24

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 45, 310220, H02K 122

Patent

active

045435073

ABSTRACT:
A cylindrical, ironless, self-supporting rotor coil for use in an electrical dc-machine is disclosed. The coil is formed by at least one layer of wire, the wire having a conductive core, an insulating layer surrounding that core and an outer layer comprising a supporting material capable of being softened and subsequently solidified to make the coil self-supporting. The outer layer of the wire is at least in part electrically conductive in order to reduce the production of sparks in the commutator of the dc-machine.

REFERENCES:
patent: 3254150 (1966-05-01), Rogers, Jr.
patent: 3409788 (1968-11-01), Taylor
patent: 3824683 (1974-07-01), Rhudy
patent: 4001616 (1977-01-01), Lonseth et al.
patent: 4136294 (1979-01-01), Aubert et al.

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