Electrical generator or motor structure – Dynamoelectric – Linear
Patent
1987-02-12
1988-07-19
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Linear
310 27, H02K 4100
Patent
active
047587504
ABSTRACT:
A linear motor of moving-coil type is disclosed, in which a multi-phase moving coil includes a plurality of flat coil units each not wider than the longitudinal length of a permanent magnet making up a stationary part divided by the number of coil phases, the flat coil units being arranged successively in the same plane with central parts not adjacently overlaid one on the other. The central parts of the moving flat coil units have a thickness equivalent to a single phase in spite of the multiple phases of the moving coil. Thus a great electromagnetic force is generated, and at the same time a high propulsive force is obtained with the magnetic flux density not reduced in the gap accomodating one phase of coils alone.
REFERENCES:
patent: 4314295 (1982-02-01), Frandsen
patent: 4318038 (1982-03-01), Munehiro
patent: 4396966 (1983-08-01), Scranton et al.
Haeda Yosio
Itagaki Masato
Kikuchi Katsuaki
Kitani Fumihiko
Nakayama Susumu
Hitachi , Ltd.
Skudy R.
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