Process for the control and regulation of the speed of a mobile

Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support

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318227, B66B 130

Patent

active

041010132

ABSTRACT:
The speed of an elevator is controlled and adjusted by utilizing a differential voltage obtained from a variable voltage indicating actual speed and a control voltage reflecting an ideal curve of speed variation. The resulting voltage or reference curve has a series of straight sections corresponding to distance lengths decoded from a distance counter for the distance travelled from the giving of a slowing order at a fixed distance from the stopping point. Each control section has it origin realigned with the reference curve.

REFERENCES:
patent: 3759350 (1973-09-01), Caputo et al.
patent: 3783974 (1974-01-01), Gilbert et al.

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