Elevator system

Details Elevator system Elevator system

1975-12-12

1977-07-12

Schaefer, Robert K.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

B66B 132

Patent

active

040348563

ABSTRACT:
An elevator system including an elevator car mounted for movement in a building to serve the floors therein. The deceleration control for stopping the elevator car accurately at a selected floor, regardless of load and direction of the elevator car, continuously adjusts the braking torque to provide the desired velocity versus time pattern, and the desired distance versus time pattern, wherein both the deceleration distance and the deceleration time are fixed quantities.

REFERENCES:
patent: 3516518 (1970-06-01), Krauer et al.
patent: 3523232 (1970-08-01), Hall et al.
patent: 3570630 (1971-03-01), Voigt et al.
patent: 3773146 (1973-11-01), Dixon, Jr. et al.
patent: 3948357 (1976-04-01), Maynard et al.

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