Electrical machine

Details Electrical machine Electrical machine

1996-08-08

1999-03-23

LaBalle, Clayton

Electrical generator or motor structure

Dynamoelectric

Rotary

310266, H02K 122

Patent

active

058864490

ABSTRACT:
An electrical machine has a rotor shaft which carries a plurality of rotor discs for rotation therewith. Each rotor disc has two pairs of rotor rims secured thereto. Each rotor rim consists of a single row of alternate magnets and pole pieces and is opposed by a series of stator cores which straddle the rotor rim. The stator cores are `c` shaped so that they receive flux from two adjacent magnets and close around two opposite rotor poles on either side of the rotor rim. The stator cores, formed by winding electrical steel around a former, reduce the losses caused by eddy currents generated when flux impinges on the side faces of the stator core.

REFERENCES:
patent: 567423 (1896-09-01), Thury
patent: 630333 (1899-08-01), Dietrich
patent: 3181020 (1965-04-01), Welter
patent: 3230405 (1966-01-01), Sorensen
patent: 3700942 (1972-10-01), Alth
patent: 3719842 (1973-03-01), Kuntz
patent: 3786291 (1974-01-01), Sidell
patent: 4658166 (1987-04-01), Oudet
patent: 4891538 (1990-01-01), Oudet
patent: 5051641 (1991-09-01), Weh
patent: 5289072 (1994-02-01), Lange

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