Elevator

B - Operations – Transporting – 66 – B

Patent

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Details

B66B 11/08 (2006.01) B66B 7/10 (2006.01) B66B 11/00 (2006.01)

Patent

CA 2512565

An elevator in which the elevator car is suspended by means of hoisting ropes consisting of a single rope or several parallel ropes, said elevator having a traction sheave which moves the elevator car by means of the hoisting ropes. The elevator has rope portions of the hoisting ropes going upwards and downwards from the elevator car, and the rope portions going upwards from the elevator car are under a first rope tension (T1) which is greater than a second rope tension (T2), which is the rope tension of the rope portions going downwards from the elevator car, and that the elevator comprises a compensating system for keeping the ratio (T1,/T2) between the first and the second rope tensions substantially constant.

L'invention concerne un ascenseur dans lequel la cabine d'ascenseur est suspendue à des câbles de levage constitués d'un câble unique ou de plusieurs câbles parallèles, ledit ascenseur étant muni d'un réa de traction qui permet de déplacer l'ascenseur au moyen de câbles de levage. L'ascenseur comprend des parties des câbles de levage qui vont depuis le haut ou depuis le bas de la cabine d'ascenseur, les parties de câbles allant depuis le haut de l'ascenseur étant sous une première tension de câble (T¿1?) qui est supérieure à une deuxième tension de câble (T¿2?) qui correspond à la tension des câbles qui vont depuis le bas de la cabine d'ascenseur. L'ascenseur comprend un système de compensation pour garder le rapport (T¿1?,/T¿2?) entre la première et la deuxième tensions de câble à un niveau sensiblement constant.

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