High-speed non-contact linear motor with magnetic levitation

Details High-speed non-contact linear motor with magnetic levitation High-speed non-contact linear motor with magnetic levitation

1988-07-13

1989-08-15

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Linear

310 905, 369 45, H02K 4102, G11B 709

Patent

active

048577812

ABSTRACT:
A linear brushless DC motor is provided with a stationary member and a movable member each having opposing pole faces. A first magnetic device operates to displace the movable member translationally with respect to the stationary member. A second magnetic device which has electromagnet windings wound around each of the pole faces operates to levitate the movable member by magnetic attractive force with respect to the stationary member. A control system is used for maintaining a certain air gap between the movable member and the stationary member.

REFERENCES:
patent: 4156548 (1979-05-01), Anderson et al.
patent: 4334207 (1982-06-01), Bill et al.
patent: 4689529 (1987-08-01), Higuichi

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