Speed control system for a chairlift

Details Speed control system for a chairlift Speed control system for a chairlift

1976-07-30

1977-09-20

Schaefer, Robert K.

Electricity: motive power systems

Motor-reversing

Field circuit control

318163, 318446, 104178, B61B 1002, H02P 704

Patent

active

040499995

ABSTRACT:
A speed control system for a chairlift which reproduces automatically at the arrival of a seat in the disembarking station the speed which this seat had in the embarking station. The speed information is applied to a shift-register or a magnetic recorder which restores this information to control the speed at the arrival.

REFERENCES:
patent: 2949178 (1960-08-01), Fabula
patent: 3190646 (1965-06-01), Forsman
patent: 3573582 (1971-04-01), Petrocelli
patent: 4003314 (1977-01-01), Pearson

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