Self running type elevator system using linear motors

Details Self running type elevator system using linear motors Self running type elevator system using linear motors

1992-02-12

1994-02-22

Voeltz, Emanuel T.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187 16, 187116, B66B 134

Patent

active

052889564

ABSTRACT:
A self running type elevator system using linear motors in which a control of power supply to a plurality of elevator cars can be achieved without increasing the size of the system enormously. The system includes at least one travelling corridors, each of which is equipped with a primary coil of a linear motor; a plurality of elevator cars placed inside the travelling corridors, each of which is equipped with a secondary conductor of the linear motor; and a plurality of control device means, provided in correspondence to the elevator cars, for controlling a supply of a driving power to the primary coil at a position of the elevator car such that the elevator car is driven by a driving force produced between the primary coil and the secondary conductor of the linear motor by the driving power.

REFERENCES:
patent: 3582756 (1971-06-01), McMurray
patent: 3896736 (1975-07-01), Hamy
patent: 4480299 (1984-10-01), Moto et al.
patent: 4739464 (1988-04-01), Nishihiro et al.
patent: 4851982 (1989-07-01), Tanahashi

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