Linear motor

Details Linear motor Linear motor

1987-07-14

1988-12-06

Skudy, R.

Electricity: motive power systems

Linear-movement motors

310 12, 104190, H02K 4102

Patent

active

047898151

ABSTRACT:
A linear motor comprises a rail; a runner moved along the rail; a plurality of permanent magnets disposed in the rail along the longitudinal direction of the rail so as to alternately arrange the opposite polarities of the permanent magnets; coils disposed in the runner and arranged to oppose the permanent magnets; Hall elements disposed in the coils; and a control unit disposed in the runner and controlling an electric current supplied to the coils based on signals output from the Hall elements.

REFERENCES:
patent: 4318038 (1982-03-01), Munehiro
patent: 4507597 (1985-03-01), Trost
patent: 4613805 (1986-09-01), Matsuo
patent: 4624617 (1986-11-01), Belna
patent: 4633108 (1986-12-01), Von der Heide
patent: 4638192 (1987-01-01), Von der Heide
patent: 4641065 (1987-02-01), Shibuki
patent: 4658162 (1987-04-01), Koyama
patent: 4678971 (1987-07-01), Kanazawa

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