PASSENGER CONVEYOR WITH A LINEAR MOTOR

The invention relates to a passenger/goods conveyor (10) comprising at least one transport entity connected with at least one mover (22, 24), which co-acts together with at least one stator beam (26a,b, 28a,b) defining a movement trajectory for the transport entity, the at least one mover (22, 24) a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MAJASALMI, Teemu, RAASSINA, Pasi, AHONEN, Pasi
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The invention relates to a passenger/goods conveyor (10) comprising at least one transport entity connected with at least one mover (22, 24), which co-acts together with at least one stator beam (26a,b, 28a,b) defining a movement trajectory for the transport entity, the at least one mover (22, 24) and the stator beam (26a,b, 28a,b) forming a linear motor, the stator beam (26a,b, 28a,b) carrying on at least two opposite sides stator faces (50) with stator poles (52) which again co-act with corresponding mover counter faces (54) comprising mover units (58) facing the stator poles (52), the mover units (58) are arranged successively in running direction of the mover (22, 24), whereby between the two stator faces (50) and the corresponding mover counter faces (54) air gaps (ag) are formed, whereby each mover unit (58) comprises electro-magnetic components (60-68) configured to co-act with the stator poles (52) to provide a propulsion force to accelerate and move the mover (22, 24) along the stator beam (26a,b, 28a,b) as well as an attraction force between the stator faces (50) and counter faces (54) to adjust both air gaps (ag). According to the invention in connection with at least one of the counter faces (54) of the mover (22, 24) at least one magnetic sensor (88a, 88b) is positioned facing the stator poles (52). Thus, the torque angle can always be calculated even after replacement of sensor or drive components.