Time controlled elevator door motion

Details Time controlled elevator door motion Time controlled elevator door motion

1979-12-27

1982-08-03

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

318561, 318617, B66B 1308

Patent

active

043423795

ABSTRACT:
An elevator system has a microprocessor-based cab controller mounted directly on the elevator car, the elevator door mechanism is connected to a transducer which provides signals as a function of the position of the door mechanism, and the cab controller controls the door motion in a closed loop manner by providing door command signals to the elevator door mechanism in dependence upon the deviation of the present door velocity from a current value of a dictated velocity in accordance with a desired door traverse velocity profile which includes desired increasing and decreasing rates of acceleration and deceleration, and desired maximum velocity, acceleration and deceleration. The disclosure includes a typical elevator system, an exemplary cab controller, and an exemplary door control program flowchart as an environment for the present invention, in addition to details concerning the invention.

REFERENCES:
patent: 3376486 (1968-04-01), Caputo
patent: 3627080 (1971-12-01), Yuminaka et al.
patent: 3673482 (1972-06-01), Davey
patent: 3729668 (1973-04-01), Brette

Affiliated with

Also associated with

Rating

Time controlled elevator door motion does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Time controlled elevator door motion, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Time controlled elevator door motion will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1465425