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US 2022/0144591 A1Published application
Elevator system having two elevator cars in a common shaft
AssigneeTK Elevator Innovation and Operations GmbH
InventorTobias WENZELBURGER
Life of this patent
Estimating the term…
Abstract
An elevator installation includes a first elevator car disposed in a shaft and connected to a counterweight by a first suspension having a first suspension means section, and a second suspension having a second suspension means section. A drive unit moves the elevator car by means of the first suspension. The elevator installation also includes a second elevator car that is movable in the shaft, independently of the first elevator car, via a second drive unit.
Claims18
-16. (canceled)
An elevator installation comprising:
- an elevator shaft;
- a first elevator car disposed in said elevator shaft;
- a counterweight operatively connected to said elevator car by a first suspension having a first suspension means section, and by a second suspension having a second suspension means section;
- a first drive unit in operative communication with said first suspension and configured to move said first elevator car by said first suspension;
- a second elevator car disposed in said elevator shaft;
- and
- a second drive unit configured to move said second elevator car, independently of said first elevator car.
4 more elements
A method of operating an elevator installation, comprising:
- arranging a first elevator car in a shaft, wherein the first elevator car is connected to a counterweight by a first suspension having a first suspension means section and a second suspension having a second suspension means section;
- driving the first suspension by a drive unit to move the first elevator car in the shaft;
- arranging a second elevator car in the shaft;
- and
- moving the second elevator car independently of the first elevator car by use of a second drive unit.
2 more elements
Dependencies are inferred from the claim text.