Dynamoelectric machine having ironless stator coil

Details Dynamoelectric machine having ironless stator coil Dynamoelectric machine having ironless stator coil

1988-08-05

1989-11-28

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

310179, 310198, 310 46, 310154, 310156, 310268, H02K 122

Patent

active

048839817

ABSTRACT:
A dynamoelectric machine has a brushless, substantially ironless stator coil of a long electrical wire conductor which comprises a large number of straight legs which are grouped into spaced bundles to form a thin-walled structure that may be cylindrical as in FIG. 1 or flat as in FIG. 6. The thin-walled structure may be supported by a plastic framework or may be adhered to a thin, correspondingly cylindrical or flat, ferromagnetic sheet. A ferromagnetic sheet not only supports the coil, but also enhances efficiency by providing a return path for electromagnetic flux. A plastic framework is lighter in weight.

REFERENCES:
patent: 3090880 (1963-05-01), Raymond
patent: 3097319 (1963-07-01), Baudot
patent: 3109114 (1963-10-01), Baudot
patent: 3144574 (1964-08-01), Baudot
patent: 3159764 (1964-12-01), Baudot
patent: 3219861 (1965-11-01), Burr
patent: 3230406 (1966-01-01), Baudot
patent: 3312846 (1967-04-01), Baudot
patent: 3375386 (1968-03-01), Hayner et al.
patent: 3575624 (1971-04-01), Keogh
patent: 3619899 (1971-11-01), Takeda et al.
patent: 4340833 (1982-07-01), Sudo et al.

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