Lift system with reduced power
First Claim
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1. A lift system with reduced power comprising:
- a car running inside a special lift-shaft; and
at least one drive unit which raises and lowers the car, with the at least one drive unit having;
at least two power systems; and
wherein the car includes;
a sensor system to detect the load in the car in order to switch the at least one drive unit to one of the at least two power systems.
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Abstract
A lift system with reduced power includes a car running inside a special lift-shaft, and at least a drive unit which allows the raising and the lowering of the car, with the drive unit having at least two power systems, and with the car including a sensor system to detect the load in the car in order to switch the drive unit of the lift system to one of the power systems.
21 Citations
11 Claims
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1. A lift system with reduced power comprising:
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a car running inside a special lift-shaft; and
at least one drive unit which raises and lowers the car, with the at least one drive unit having;
at least two power systems; and
wherein the car includes;
a sensor system to detect the load in the car in order to switch the at least one drive unit to one of the at least two power systems. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification