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MULTI: Teamwork results in elevator breakthrough

MULTI: Teamwork results in elevator breakthrough

The first cable-free elevator

Real breakthroughs come about mainly through collaboration across different sectors. As a diversified industrial group our company brings together a wide range of expertise that makes such innovations possible. And these can be groundbreaking: For instance our cable-free MULTI elevator system envisages buildings as vertical cities.

MULTI demonstrates the combined strengths of our Group in action.

MULTI demonstrates the combined strengths of our Group in action.


MULTI is the result of collaboration between our elevator experts, our drive experts, our magnetic engineering specialists, our component manufacturers, and our production line specialists – among others.

This has led to a paradigm change in elevator technology – a cable-free elevator that can move through a building not only vertically but also horizontally. This is made possible by the use of our Transrapid technology: The elevator is powered by linear motors that move the cabs up or down, left or right, forwards or backwards on magnetic rails.

Weight reduction with carbon-fiber-reinforced plastic (CFRP)

Weight reduction with carbon-fiber-reinforced plastic (CFRP)

Naturally, in this system the weight of the cab is a key factor for energy consumption, so our TechCenter Carbon Composites has developed a material that meets demanding weight-reduction targets. The production concept for the cabs was designed by our production line experts.

Similarly to a paternoster elevator, MULTI uses several cabs in its shafts. At the end of the shaft, transfer devices are used to change the cab direction. The bearings for this were developed by our components specialists: MULTI demonstrates the combined strengths of our Group in action.

Successes:

  • First cable-free elevator
  • Reduced energy consumption and footprint
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