SECONDARY GUIDANCE SYSTEM FOR LINEAR INDUCTION MOTORS DRIVING ELEVATOR CAR DOORS

摘要

A motor secondary (18) in a linear induction motor used for opening and closing doors in an elevator system includes a secondary guide system having first and second secondary guides (72). The first secondary guide is disposed on a bottom longitudinal edge (62) of the motor secondary and the second secondary guide is disposed on a top longitudinal edge (60) thereof. The guides space the motor secondary apart from the motor primary and establish small and constant running clearances therebetween.