KONE Corporation

Espoo, Finland

KONE Corporation

Espoo, Finland
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Patent
KONE Corporation | Date: 2017-02-08

The invention relates to a method for controlling a passenger transport system, which transport system comprises at least two passenger conveyors, as e.g. escalators (40, 42) or elevators (36, 38), which transport system comprises a control for the passenger conveyors and for controlling passenger flow in the transport system. The control is connected to a passenger flow determination device (22) for establishing a passenger flow reference value of the actual passenger flow to be expected in the passenger transport system, and which control further comprises a passenger guide system (16) for controlling passenger flow in the transport system, which passenger guide system uses a cost function considering a set of system control parameters as passenger riding time, energy consumption, passenger waiting time, passenger transport capacity, maintenance demand, etc.. The control uses a transport model (12) simulating the function of the hardware components of the transport system under consideration of correlated system operating parameters as e.g. number of active passenger conveyors, passenger conveyor speed, still-stand times, door opening times etc. in connection with passenger flow, whereby the passenger flow reference value is input to the transport model and in an optimization process the system operating parameters are optimized under use of the transport model to meet the passenger flow reference value under consideration of at least one significant system control parameter from said set of system control parameters to achieve a best set of system operating parameters. The best set of system operating parameters is applied to the control of the passenger transport system.


Patent
Kone Corporation | Date: 2017-01-11

An elevator is equipped with a plurality of remote monitoring sensors for detecting faults and other events in a variety of components in the elevator. These remote monitoring sensors produce remote monitoring messages having a priority classification according to the fault or monitoring event severity. These remote monitoring messages are processed according to the priority classification and available communication connection properties. Based on the processing the communication connection for transmitting the remote message to a central system is selected and sent or temporarily stored for later transmittal.


The arrangement comprises an installation platform arranged to be movable upwards and downwards in a first direction (S1) in the elevator shaft (20), two laser transmitters (210, 220) arranged at a bottom (12) of the elevator shaft (20), each of said two laser transmitters (210, 220) producing a vertical upwards directed laser plane (LP1, LP2) in the elevator shaft (20), said laser planes (LP1, LP2) being perpendicular to each other, at least four primary light sensitive detectors (310, 320, 330, 340) are attached to the installation platform (100) so that they are visible to the laser transmitters (210, 220), each of the primary light sensitive detectors (310, 320, 330, 340) being positioned on a respective side of a rectangle. The position of the installation platform (100) in relation to the elevator shaft (20) can be measured from the hitting points of the laser planes (LP1, LP2) on the primary light sensitive detectors (310, 320, 330, 340).


Patent
Kone Corporation | Date: 2017-01-11

An elevator safety switch for detecting closure of two parts is described. The safety switch may be used for example in doors, windows and other covers. The safety switch has two parts so that the first part includes magnetically operable switches and the second part comprises permanent magnets. In the first part the magnetically operable switches are connected in series. The first part further comprises a resistor for each of the magnetically operable switches and the resistor is connected in parallel with the respective magnetically operable switch. These two parts are arranged so that they meet when they are in use. Switch parts attached to a door meet each other when the door is closed. When these two parts meet each other the magnets are configured to change the state of the magnetically operable switches. If only one magnetically operable switch changes state it can be determined that the other magnetically operable switch may be broken.


Patent
KONE Corporation | Date: 2017-01-11

The invention relates to an elevator car, which comprises a free interior (I) for receiving a load, which interior (I) is bounded by at least the walls, roof, floor and preferably also door arrangement comprised in the elevator car, a frame structure, which frame structure comprises a horizontal elongated rigid roof beam (2) in connection with the roof of the elevator car, which roof beam (2) extends across the roof of the car above the interior (I), and which roof beam (2) is an elongated channel profile member, which has essentially the same continuous cross-sectional profile in the longitudinal direction. The roof beam (2) is a downward-opening, elongated, channel profile member, the width of the cross-sectional profile of which is essentially larger than the height. The interior (T) of the channel profile member (2) can be configured to function as a space for one or more functions of the car affecting the conditions of the interior (I) of the elevator car (1), including lighting and/or ventilation. The invention also relates to an elevator, which comprises an elevator car of the aforementioned type.


Patent
Kone Corporation | Date: 2017-02-22

The invention refers to a method for moving an elevator car (12) in a rescue operation after at least one electric elevator brake (22a,b) have been actuated, whereafter the brake is re-opened via a manual brake opening device (30) and operated to allow a movement of the elevator car (12) to a next landing, characterized in that the manual brake opening device (30) is connected to an end limit indicator detection means (32), which end limit indicator detection means is configured to issue an end limit signal when elevator car arrives at an area of an end limit indicator (28a,c) at the end of its movement range of the elevator car in the elevator shaft, and that when the end limit indicator detection means (32) outputs an end limit signal to the manual brake opening device (30), the elevator brake (22a,b) is actuated by the manual brake opening device (30) to stop the elevator car (12).


Patent
Kone Corporation | Date: 2017-03-22

Elevator drives are components that are exposed to dust and impurities. These drives typically include electronic components that need to be protected from dust and impurities. This can be achieved by placing the electronic components on a multiple layer circuit board so that they can be separated from the open space. This is provided by having a sealable opening through which the circuit board extends. Connectors to the external cables are provided outside the tight casing. The surface of the circuit board has an empty area at the sealable opening. The conductive tracks from electronic components to the connectors are arranged to layers located inside the multiple layer circuit board.


Patent
Kone Corporation | Date: 2017-03-08

It is desired that elevators are not operated when the brake is not completely released. Thus, the disengaging of brakes must be monitored or guaranteed otherwise. For providing guaranteed opening the current for opening the brake is determined and then an additional current is provided to the brakes in order to guarantee the opening. The current for opening the brake is determined by doing a test sequence for each brake individually. In the test sequence one brake is used to hold the elevator. Then a momentum is applied to the elevator for moving the elevator car. The current is determined by increasing the current to the engaged brake gradually until the elevator moves. When the movement is detected the current value is stored. When the elevator is operated regularly the additional current is added to the stored value.


Patent
KONE Corporation | Date: 2017-02-15

Modern elevators involve a plurality of ropes and wheels for ropes in a variety of different functions related to the operation and security of an elevator. The wearing of a rope and a wheel may be inspected by scanning a profile of a wheel or ropes on a wheel. When a rope or a wheel is worn the profile will be lower than in the normal situation. Depending on the difference to the normal situation an appropriate action may be taken.


A method for determining a speed of an electric motor (2) of an elevator (100) comprising a plurality of phases (30A, 30B, 30C) for supplying electric current to the electric motor (2). The method comprises forming an effective short-circuit between at least two of the plurality of phases (30A, 30B, 30C) of the electric motor (2), determining a short-circuit current, the short-circuit current being the current flowing in the effective short-circuit, and determining the speed of the electric motor (2) based on at least one characteristic of the short-circuit current.

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