SUSPENSION AND TRACTION SYSTEM AND ELEVATOR COMPRISING AT LEAST ONE PULLEY AND A SUSPENSION AND TRACTION ELEMENT WITH AT LEAST ONE SHAPE MEMORY ALLOY WIRE

The present invention relates to a suspension and traction system provided with at least one suspension and traction element and at least one pulley, wherein pulley diameter, Ø pulley , is less than or equal to 130 mm, the suspension and traction element comprises a load bearing section with at leas...

Full description

Saved in:
Bibliographic Details
Main Authors MARTÍN OYARZABAL, IZARO, URCHEGUI IRAZOQUI, MIKEL, ZURBITU GONZALEZ, JAVIER
Format Patent
LanguageEnglish
French
German
Published 11.11.2015
Subjects
ELEVATORS
ESCALATORS OR MOVING WALKWAYS
HAULING
HOISTING
LIFTING
PERFORMING OPERATIONS
TRANSPORTING
Online AccessGet full text

Cover

More Information
Summary:The present invention relates to a suspension and traction system provided with at least one suspension and traction element and at least one pulley, wherein pulley diameter, Ø pulley , is less than or equal to 130 mm, the suspension and traction element comprises a load bearing section with at least one shape memory alloy wire having diameter Ø smawire , said shape memory alloy being chosen from shape memory alloys the characteristic Af temperature of which is below room temperature, and the value of the quotient Ø pulley /Ø smawire is between 50 and 2000. The fatigue lifetime is improved with this configuration.
Bibliography:Application Number: EP20150382239