| 摘要 |
<p>An elevator installation (1) having a car (4), a counterweight (5), traction means (11) interconnecting the car and the counterweight, a motor (8) and a traction sheave (7) engaging the traction means. The elevator installation (1) is monitored for over-traction and an air cushion (28) is created between the traction sheave (7) and the traction means (11) when over-traction is detected.</p> |
