ES220663A1 - Automatic electrical elevator system with engine and brake for three-phase current (Machine-translation by Google Translate, not legally binding)
- Google Patents
Automatic electrical elevator system with engine and brake for three-phase current (Machine-translation by Google Translate, not legally binding)
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Electric, automatic system of elevators with motor and brake for three-phase current, characterized because it requires the contest of the three phrases in the coils of the counters and relays that come in combination so that it is established in running of the motor, and because it has independent circuits magnetic contacts prior to the three-phase contact that sends the current to the motor unit. (Machine-translation by Google Translate, not legally binding)
ES220663A1955-03-141955-03-14Automatic electrical elevator system with engine and brake for three-phase current (Machine-translation by Google Translate, not legally binding)
ExpiredES220663A1
(en)