Linear motor

Details Linear motor Linear motor

1995-08-08

1998-09-15

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Linear

310 13, 310 27, 310194, H02K 4100

Patent

active

058083812

ABSTRACT:
In the linear motor including (a) a plurality of permanent magnet members 1 fixed to a pair of ferromagnetic yokes 3 such that longitudinally adjacent magnetic poles have different polarities and that the magnetic poles of different polarities face each other via a magnetic gap 7, (b) a polyphase coil 2 disposed in the magnetic gap 7, either one of the polyphase coil 2 and the permanent magnet members 1 being caused to move relative to each other when the polyphase coil 2 is energized; and (c) a coil-supporting member 4 to which the polyphase coil 2 is fixed, the coil-supporting member 4 is made of non-magnetic ceramics having excellent heat conductivity and insulation.

REFERENCES:
patent: 4186322 (1980-01-01), Besson
patent: 4187453 (1980-02-01), Rough
patent: 4758750 (1988-07-01), Itagaki et al.
patent: 4764489 (1988-08-01), Bolt
patent: 4831300 (1989-05-01), Lindgren
patent: 5087844 (1992-02-01), Takedomi et al.
patent: 5330692 (1994-07-01), Hashimoto et al.
CRC Materials Science and Engineering Handbook; second Edition, 1994.

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