The present invention relates to a drive system for an elevator. The elevator comprises a drive machine (2, 4) by means of which the elevator car (6) can be moved and supported. The primary circuit (2) of a linear motor is permanently fitted to a wall of the building while its secondary circuit is fitted in conjunction with the elevator car (6) and moves with the elevator car (6). Pressurised air is supplied between the primary (2) and secondary (4) circuits of the reluctance-type linear motor to maintain an air gap (20) between them.
申请公布号
WO9858866(A2)
申请公布日期
1998.12.30
申请号
WO1998FI00531
申请日期
1998.06.18
申请人
KONE CORPORATION;KAEHKIPURO, MATTI;PELTO-HUIKKO, RAIMO;KALLIONIEMI, ANTTI
发明人
KAEHKIPURO, MATTI;PELTO-HUIKKO, RAIMO;KALLIONIEMI, ANTTI