Elevator

B - Operations – Transporting – 66 – B

Patent

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Details

B66B 11/00 (2006.01)

Patent

CA 2468798

Elevator, preferably an elevator without machine room. In the elevator, a hoisting machine engages a set of hoisting ropes by means of a traction sheave. The set of hoisting ropes comprises hoisting ropes of substantially circular cross-section. The hoisting ropes support a counterweight and an elevator car moving on their respective tracks. The hoisting rope has a thickness below 8mm and/or the diameter of the traction sheave is smaller than 320 mm. The contact angle between the hoisting rope or hoisting ropes and the traction sheave is larger than 180°.

L'invention concerne un ascenseur, de préférence un ascenseur ne comportant pas de salle des machines. Dans cet ascenseur, un appareil de suspension est relié à un ensemble de câbles de suspension au moyen d'une poulie d'entraînement. Cet ensemble de câbles de suspension est constitué par des câbles de suspension à section transversale sensiblement circulaire. Ces câbles de suspension supportent un contrepoids et une cabine d'ascenseur qui se déplacent sur leurs rails respectifs. L'épaisseur du câble de suspension est inférieure à 8 mm et/ou le diamètre de la poulie d'entraînement est inférieur à 320 mm. L'angle de contact entre le ou les câbles de suspension et la poulie d'entraînement est supérieur à 180·.

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