Escape device used in lifter or elevator

The invention discloses an elevator or elevator relieving device, which is characterized by the following: at least a plurality of alternate coil assembly is installed in permanent magnetism drive motor; the alternate electric power supply power of alternate coil assembly makes the alternate coil as...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	QIUNAN WANG
Format:	Patent
Sprache:	eng
Schlagworte:	ELEVATORS ESCALATORS OR MOVING WALKWAYS HAULING HOISTING LIFTING PERFORMING OPERATIONS TRANSPORTING
Online-Zugang:	Volltext bestellen
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