Apparatus for maintaining an air gap in a toroidal linear motor

Details Apparatus for maintaining an air gap in a toroidal linear motor Apparatus for maintaining an air gap in a toroidal linear motor

1990-02-26

1991-07-23

Bollinger, David H.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187 17, 187112, 318135, H02K 524

Patent

active

050335880

ABSTRACT:
An apparatus for maintaining an air gap between a stationary and a moving element of a toroidal linear motor which provides motive force to an elevator, comprises; a plurality of rollers mounted upon the moving element, and a means for biasing the rollers towards a central axis of the stationary element, and for cooperating with the rollers to maintain the air gap when power to the motor is shut off or vibration or other forces would tend to lessen the gap below a predetermined minimum. The rollers are arranged angularly about the stationary element and rotate due to the relative rotation of the moving and stationary elements.

REFERENCES:
patent: 2483895 (1949-10-01), Fisher
patent: 2640955 (1953-06-01), Fisher

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