Elevator with linear motor drive assembly

Details Elevator with linear motor drive assembly Elevator with linear motor drive assembly

1991-10-30

1993-02-23

Stephan, Steven L.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187122, 310 12, H02K 4200

Patent

active

051892685

ABSTRACT:
A multiple linear motor arrangement is provided having a secondary, a first primary, a plurality of second primaries, and a frame, in which the body of the first primary of the motor arrangement on one side of the secondary is offset from the bodies of the second primaries on the other side of the secondary. Magnetic flux emanating from the first and second primaries, therefore, does not appreciably overlap.

REFERENCES:
patent: 3746899 (1973-07-01), Eastham
patent: 4454457 (1984-06-01), Nakamura et al.
patent: 4594520 (1986-06-01), Mira et al.
patent: 5023496 (1991-06-01), Niikura
patent: 5033587 (1991-06-01), Nakai et al.
patent: 5062501 (1991-11-01), Pavoz et al.
patent: 5090516 (1992-02-01), Grinaski et al.
"Fundamentals of Linear Motor Technology", Linear Electric Motors, by Syed Nasar ad I. Boblea, Prentice-Hall, 1987.

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