The Invisible Door Opener

The elevator manufacturer Schindler transports more than a billion people every day. Its elevators operate in skyscrapers and apartment buildings, traveling up and down all day long. Yet no one ever actually stops to think about the little motors that open and close the doors.

Elevators are among the things in our daily lives that we take for granted. We press the button, the cab arrives, we enter and are taken to the desired floor quickly, safely, and reliably. Yet hidden from the passengers’ eyes, there is a lot of technology involved in the elevator shaft, in the motor chamber, in the control box, and in the cab itself. A motor installed in the cab is responsible for opening and closing not only the door of the cabin, but also the door to the respective floor. The demands on this motor are high: It has to be small yet powerful, energy-saving, reliable, and, most importantly, intelligent.

Direct drive saves space