Patent ID: 7021427
Filing Date: 2006-04-04
Classification: A61G,B66D,Y10S

Abstract:
1. Method for controlling a drive unit for a hoist, preferably a hoist for people where one or more electric motors are used for operating a hoist at different operational sequences for driving/horizontal transport, hoisting/lift and lower in which connection the load on the lifting belt and the position of the device in a rail system are registered, that the registrations are stored and used for controlling travelling speed, hoist speed, adjustment of the rails depending on the load and the position, that a communication module with data store is used and that a control module is used, characterized in that said communication module is connected with an intelligent control module for exchanging historical parameters of events between the data store and the control module whereby activity of the drive unit is established by transmission of signal from the control module to the drive unit for regulating the power supply to the drive unit.