Elevator flat linear motor secondary

Details Elevator flat linear motor secondary Elevator flat linear motor secondary

1991-10-17

1993-04-20

Olszewski, Robert P.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187112, 310 12, B66B 1104

Patent

active

052034305

ABSTRACT:
A secondary of an elevator linear motor includes a highly conductive layer, the layer having a plurality of periodically spaced grooves disposed horizontally therein, the grooves providing space for thermal expansion of the layer and guiding current induced on said layer thereby increasing the efficiency of the motor.

REFERENCES:
patent: 3860839 (1975-01-01), Buchberger et al.
patent: 3869625 (1975-03-01), Sawyer
patent: 4013906 (1977-03-01), Eastham
patent: 4570753 (1986-02-01), Ohta et al.
patent: 4803388 (1989-02-01), Nikura
patent: 5062501 (1991-11-01), Pavoz et al.

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