Coreless linear motor and canned linear motor

Details Coreless linear motor and canned linear motor Coreless linear motor and canned linear motor

2005-01-11

2009-08-18

Nguyen, Hanh N (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Linear

Reexamination Certificate

active

07576452

ABSTRACT:
A coreless linear motor and a canned linear motor that can significantly reduce an increase in surface temperature of a linear motor armature are provided.In a magnetic field system of a coreless linear motor1a, two rows of permanent magnets201aare disposed on the opposite sides in a magnetic field yoke202, and an armature101ais disposed so that armature coils102aand103aincluding a plurality of coil groups centrally wound in the magnetic field system having the two rows of permanent magnets are arranged in two rows. One end of the two rows of the armature coils102aand103ain a direction perpendicular to a direction of a magnetic gap between the two rows of permanent magnets branches into two parts, and the other end is arranged back-to-back. Further, the substrate104afor connecting the coils is inserted into a gap between the two rows of the branching coils102aand103a. The armature coils102aand103aand the substrate104aare integrally formed and fixed by mold resin105.

REFERENCES:
patent: 5087844 (1992-02-01), Takedomi et al.
patent: 6140734 (2000-10-01), Hazelton et al.
patent: 6731029 (2004-05-01), Shikayama et al.
patent: 11-127569 (1999-05-01), None
patent: 2001-197718 (2001-07-01), None
patent: 2002-27730 (2002-01-01), None

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