Linear motor elevator system

Details Linear motor elevator system Linear motor elevator system

1994-12-19

1996-08-20

Nappi, Robert

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific load support drive-means or its control

Includes control for power source of drive-means

187411, 187409, 187288, B66B 700, B66B 1100

Patent

active

055470599

ABSTRACT:
A linear motor elevator system comprising a sheave disposed in the upper portion of an elevator hoistway, a length of rope wound around the sheave, a movable member connected to said rope, a primary winding disposed only on a first side of said movable member and a secondary conductor extending within and along the hoistway in association with said primary winding to constitute a linear motor. The system may comprise a brake unit disposed on a second side of said movable member which is opposite to said first side and a guide rail disposed within said hoistway for being engaged by said brake unit.

REFERENCES:
patent: 5033587 (1991-07-01), Nakai et al.
patent: 5062501 (1991-11-01), Pavoz et al.
patent: 5127493 (1992-07-01), Yasuda et al.
patent: 5141082 (1992-08-01), Ishii et al.
patent: 5203430 (1993-04-01), Grinaski et al.
patent: 5203432 (1993-04-01), Grinaski

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