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Hyvinkää, Finland

The invention is aimed to improve control of wear and tear of the elevators in an elevator group comprising a plurality of elevators and at least one group control unit. The actual usage of each elevator is recorded, and the group control unit executes at least one allocation algorithm for selecting which elevator of the elevator group is used to serve a call. The allocation algorithm is configured to compare the actual usage of at least two elevators against respective target usages and to select the elevator having its actual usage most deviating from the target usage to serve an outstanding call. With the invention, the wear and tear of elevators may be balanced, or certain elevators may be set to reach the end of the maintenance period sooner.


The present invention discloses a method and a system for generating destination calls for an elevator system, wherein a passenger can give personal destination calls with his/her terminal device as well as on the basis of identification of the person in at least one identification point. A passenger is identified at an identification point, on the basis of which the home floor of the passenger is determined and a destination call to the home floor is generated for the elevator system if the passenger does not have a valid destination call at the time of identification.


Patent
KONE Corporation | Date: 2015-09-03

An elevator, which includes a hoistway; and an elevator car vertically movable in the hoistway; and a counterweight vertically movable in the hoistway; and a number of upper rope wheels (in particular one or more) mounted higher than the car and counterweight, and a number of first ropes interconnecting the elevator car and counterweight, each of the more ropes passing around the one or more upper rope wheels; and a number of lower rope wheels mounted lower than the car and counterweight; and second ropes interconnecting the elevator car and counterweight, each passing around one or more of the lower rope wheels. The lower rope wheels include one or more first lower rope wheels; and one or more second lower rope wheels above the one or more first rope wheels. The second ropes include a first set of ropes forming a first U-shaped loop of ropes hanging from the car and counterweight and passing around the one or more first lower rope wheels; and a second set of ropes forming a second U-shaped loop of ropes hanging from the car and counterweight inside the first loop of ropes and passing around the one or more second lower rope wheels.


Patent
Kone Corporation | Date: 2015-09-02

A method for balancing an elevator car including a frame; a cabin box mounted on the frame; and a plurality of elastic members, such as springs, in vertical direction between the frame and the cabin box, via which elastic members the cabin box rests on the frame. The method includes measuring the vertical distance between the frame and the cabin box in several horizontally spaced apart locations with distance sensors; and adjusting the weight distribution of the cabin box by adding and/or removing weight elements on the cabin box. An arrangement for balancing an elevator car is provided to implement the method.


A positioning apparatus for an elevator car, an elevator and also a method for determining the position of an elevator car are disclosed. The positioning apparatus for an elevator car includes a plurality of position identifiers possessing a readable physical property, which position identifiers are disposed by the side of the trajectory of the elevator car and also a reader device installed on the elevator car for reading a physical property of the position identifiers. The aforementioned readable physical property of a position identifier is adapted to classify each position identifier according to the intended use of the position identifier into one of two or more optional classes, and in the position identifiers belonging to at least one aforementioned class the same physical property is additionally adapted to indicate the linear position of the elevator car.

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