Inventio Ag

Christian Lüthi

Andrzej Cholinski

Urs Ammon

Manuel Teixeira Pinto Dias

Roman Hopp

A door frame of an elevator shaft closure has a chamber in which an elevator control arrangement is arranged. The elevator shaft closure separates an elevator shaft of a building from a story of the building. The elevator control arrangement includes an elevator control unit and at least one electronic power unit, which is connectible with an elevator motor.

Elevator shaft closure door frame with control arrangement

An elevator drive unit including a traction sheave supported by a shaft rotatably supported by a pair of bearings. Mounted on opposite free ends of the shaft are rotors of a pair of electric motors. Cage-housings on a pair of spaced bearing end-plates retain the stators of the motors. A plurality of frequency converters operating in a master/slave mode to supply electrical power to the motors.

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Hausen, Switzerland

Christian Lüthi