Command speed generator system for elevator car

Details Command speed generator system for elevator car Command speed generator system for elevator car

1980-10-28

1982-10-19

Truhe, J. V.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

B66B 118

Patent

active

043545769

ABSTRACT:
A command elevator speed generator for an elevator car which includes a counter for counting pulses corresponding to a distance of movement of an elevator car, a position sensor on the car for delivering a positional signal upon the car reaching a predetermined distance short of a calling or a called floor and a resetting circuit which is responsive to the positional signal for clearing the counter. An electronic computer then subtracts the succeeding count from a predetermined distance stored in it to calculate a residual distance to the floor for each of its calculating periods. A command deceleration signal is then read out from the computer to decelerate the car.

REFERENCES:
patent: 3425515 (1969-02-01), McDonald et al.
patent: 3590355 (1971-06-01), Davis et al.
patent: 3773146 (1973-11-01), Dixon, Jr. et al.
patent: 4083430 (1978-04-01), Gingrich
patent: 4108282 (1978-08-01), Satoh et al.

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