Winding for linear motors without slots

Details Winding for linear motors without slots Winding for linear motors without slots

1998-04-06

2000-12-12

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Linear

310 42, H02K 4100

Patent

active

061603279

ABSTRACT:
A linear motor utilizing a flat, ironless, coil winding which can be of the printed circuit type (stamped, etched, or deposited and adhered to a rigid substrate). The winding provides coils that are relatively movable between straight, parallel rows of magnets. The winding can also be fabricated using insulated wire to form a distributed winding. In designing the winding particular attention is paid to the length of the straight portion perpendicular to the direction of the linear motion (L.sub.M) compared to the height of the linear air gap (L.sub.B) and the outside dimension of the winding (L.sub.S). Selection of these dimensions determines four key motor parameters, namely, the motor back emf K.sub.e, the motor force constant K.sub.f, the winding resistance R, and the motor force ripple F.sub.r.

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European Search Report for EP 98 12 2360 (Jul. 23, 1999) related to U.S. Application Serial No. 09/055,545.
Derwent Abstract of DE 26 58 535.

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