Method for preventive maintenance of an elevator and an elevator system

A method for preventive maintenance of an elevator speed sensor system includes at least a first and a second sensor, which are independent of each other. The method includes: determining a reference distance for an elevator car travel between a first door zone and a second door zone, during the ele...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Aitamurto, Juha-Matti, Leppäkoski, Arttu, Jussila, Ari, Mustonen, Matti
Format:	Patent
Sprache:	eng
Schlagworte:	ELEVATORS ESCALATORS OR MOVING WALKWAYS HAULING HOISTING LIFTING PERFORMING OPERATIONS TRANSPORTING
Online-Zugang:	Volltext bestellen
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