Eddy current apparatus

Details Eddy current apparatus Eddy current apparatus

1997-12-18

1999-08-24

LaBalle, Clayton

Electrical generator or motor structure

Dynamoelectric

Rotary

310 93, H02K 4900, H02K 4904

Patent

active

059428260

ABSTRACT:
The rotor or the stator of the apparatus has inductor coils whose respective axes are parallel to the axis of rotation and distributed at regular intervals along a circle centred on the axis of rotation. Each coil is traversed by a cylindrical pole core, one end of which is provided with a pole shoe of larger cross-section. An armature disc travels past these pole shoes with interposition of a gap. In relation to the direction of travel of the armature disc, each pole shoe offers an area which is larger in front than to the rear of the radial plane passing through the axis of rotation and through the axis of the corresponding coil. Each pole shoe has a rear edge of convex general shape in a plane parallel to the armature disc.

REFERENCES:
patent: 1031081 (1912-07-01), Miram et al.
patent: 2073926 (1937-03-01), Fraser
patent: 2240652 (1941-05-01), Jenkins
patent: 2640941 (1953-06-01), Winther
patent: 2693263 (1954-11-01), Becking
patent: 2833945 (1958-05-01), Bessiere
patent: 4668886 (1987-05-01), Marandet et al.

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