Linear motor armature and linear motor

Details Linear motor armature and linear motor Linear motor armature and linear motor

2002-11-29

2008-03-18

Le, Dang (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Linear

C310S016000

Reexamination Certificate

active

07345384

ABSTRACT:
In a linear motor, a can has a two-layer structure including an inner can2and an outer can3, and an inner passage7formed between an armature winding9and the inner can2and an outer passage8formed between the inner can2and the outer can3are constituted by each can. Communicating portions7A and8A for causing the inner passage7and the outer passage8to communicate with each other are provided in the vicinity of a refrigerant supply port5in each of the cans2and3in such a manner that a refrigerant supplied from the refrigerant supply port5branches into the inner passage7and the outer passage8and thus flows. Consequently, it is possible to obtain a linear motor armature and a linear motor having a high cooling capability which can prevent the deformation of the can by using a conventional inactive refrigerant to improve the passage for the refrigerant.

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patent: 6657332 (2003-12-01), Balas
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