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    Fault diagnosis of an elevator installation
    33.
    发明授权
    Fault diagnosis of an elevator installation 有权
    电梯安装故障诊断

    公开(公告)号：US09309089B2

    公开(公告)日：2016-04-12

    申请号：US13714517

    申请日：2012-12-14

    Applicant: Inventio AG

    Inventor： Mirco Annen ,  Thomas Neuenschwander ,  Christian Studer ,  Hans Kocher

    IPC: B66B1/34 ,  B66B3/00 ,  B66B5/00 ,  B66B5/02

    CPC classification number: B66B3/00 ,  B66B5/0025 ,  B66B5/0037 ,  B66B5/02

    Abstract: An elevator installation includes a sensor by which vibrations generated during operation of the elevator installation are detectable and an evaluating circuit, which is connected with the sensor and by which the vibrations detected by the sensor can be evaluated. The detected vibrations can be compared by means of the evaluating circuit with a predeterminable operating value and a predeterminable threshold value.

    Abstract translation: 电梯安装包括传感器，通过该传感器可以检测在电梯设备操作期间产生的振动，以及评估电路，其与传感器连接，由传感器检测到的振动可被评估。 检测到的振动可以通过评估电路与可预定的操作值和可预定的阈值进行比较。

    SYSTEM AND METHOD FOR DETERMINING THE POSITION OF AN ELEVATOR CAR OF AN ELEVATOR INSTALLATION, SAID ELEVATOR CAR BEING MOVABLY ARRANGED IN AN ELEVATOR SHAFT
    34.
    发明申请
    SYSTEM AND METHOD FOR DETERMINING THE POSITION OF AN ELEVATOR CAR OF AN ELEVATOR INSTALLATION, SAID ELEVATOR CAR BEING MOVABLY ARRANGED IN AN ELEVATOR SHAFT 有权

    公开(公告)号：US20250033927A1

    公开(公告)日：2025-01-30

    申请号：US18715813

    申请日：2022-11-22

    Applicant: Inventio AG

    Inventor： Beat De Coi ,  Christian Studer ,  Axel Hosemann ,  Udo Graf

    IPC: B66B1/34 ,  G01S7/4915 ,  G01S17/32

    Abstract: A system determines the position of an elevator car movable in an elevator installation shaft. A transmitter emits modulated electromagnetic radiation with a first modulation frequency as a first output signal, a sensor cell receives electromagnetic radiation reflected by a detected object as an original measurement signal, and an evaluation unit, communicating with the transmitter and the sensor cell, delays the original measurement signal thus generating a delayed measurement signal, determines a first phase offset between the original measurement signal and the first output signal, determines a second phase offset between the delayed measurement signal and the first output signal, selects either the first phase offset or the second phase offset based upon a selection condition to determine a position of the elevator car within a portion of the elevator shaft, and determines the elevator car position based upon the elevator shaft portion and the position within the portion.

    SYSTEM AND METHOD FOR DETERMINING THE POSITION OF AN ELEVATOR CAR OF AN ELEVATOR UNIT, THE ELEVATOR CAR BEING MOVABLY ARRANGED IN AN ELEVATOR SHAFT
    35.
    发明申请
    SYSTEM AND METHOD FOR DETERMINING THE POSITION OF AN ELEVATOR CAR OF AN ELEVATOR UNIT, THE ELEVATOR CAR BEING MOVABLY ARRANGED IN AN ELEVATOR SHAFT 有权

    公开(公告)号：US20250019204A1

    公开(公告)日：2025-01-16

    申请号：US18712737

    申请日：2022-11-04

    Applicant: Inventio AG

    Inventor： Beat De Coi ,  Udo Graf ,  Christian Studer ,  Axel Hosemann

    IPC: B66B1/34

    Abstract: A system and a method for determining the position of an elevator car, movably arranged in an elevator shaft of an elevator unit, use a 3D sensor, an evaluation unit in communication with the sensor, and a marking element actively emitting electromagnetic radiation. The sensor has a plurality of sensor cells and the evaluation unit uses measurement data received from the sensor to determine a distance from each sensor cell to a part of an object detected by the sensor. The sensor is arranged to detect the marking element and a region around the marking element as the object. The evaluation unit determines those sensor cells that detect the marking element and determines the position of the elevator car based on the determined distances to the detected object of those sensor cells and/or of sensor cells that are arranged in a region adjacent to those sensor cells.

    Elevator system
    37.
    发明授权
    Elevator system 有权

    公开(公告)号：US11623845B2

    公开(公告)日：2023-04-11

    申请号：US16634198

    申请日：2018-07-25

    Applicant: Inventio AG

    Inventor： Christian Studer ,  Donato Carparelli ,  Josef Husmann ,  Raphael Bitzi

    IPC: B66B9/00 ,  B66B11/00

    Abstract: An elevator system includes an elevator car that is movable in an elevator shaft in the vertical direction, a closed support belt guided about a lower deflection roller and an upper deflection roller and a drive machine driving the support belt. A drive connection is made between the support belt and the elevator car with a coupling device arranged on the elevator car that is coupled to a coupling element of the support belt. The coupling element is a connection element that connects two free ends of the support belt together.

    Elevator safety supervising entity with two units having an option for e.g. autonomous passenger evacuation
    38.
    发明授权
    Elevator safety supervising entity with two units having an option for e.g. autonomous passenger evacuation 有权

    公开(公告)号：US11420848B2

    公开(公告)日：2022-08-23

    申请号：US16333277

    申请日：2017-09-14

    Applicant: Inventio AG

    Inventor： Christian Studer ,  Astrid Sonnenmoser ,  Ivo Lustenberger

    IPC: B66B5/02 ,  B66B5/00 ,  B66B13/22 ,  B66B1/34

    Abstract: An elevator safety supervising entity (SSE) includes a car safety supervising unit (SSU) controlling functions of car safety components and having at least one car sensor sensing car-related parameters, a head SSU controlling functions of shaft safety components and having at least one shaft sensor sensing shaft-related parameters, and a data linkage transmitting signal data between the SSUs. Both SSUs detect a failure in the other one of the SSUs and in the data linkage signal data transmission and in response switch from a normal operation mode to a failure operation mode. In the failure operation mode, the SSUs operate autonomously to keep the elevator operative at least temporarily with a sufficiently high safety even when functions of the elevator SSE are disturbed due to failures and e.g. passengers may be evacuated from the elevator car before completely stopping elevator operation.

    Method for driving a brake device of an elevator system
    40.
    发明授权
    Method for driving a brake device of an elevator system 有权

    公开(公告)号：US10723586B2

    公开(公告)日：2020-07-28

    申请号：US15781188

    申请日：2016-11-18

    Applicant: Inventio AG

    Inventor： Christian Studer ,  Andrea Cambruzzi

    IPC: B66B1/32 ,  B66B5/00

    Abstract: A method for driving an elevator car brake device, an elevator system for executing the method, and a computer program implementing the method involve the brake device including at least one automatically releasable pressure element effecting a braking action and an electromagnet automatically releasing the pressure element, wherein a respectively required braking torque of the car is ascertained using a model of the elevator system, a direction of car travel, a state of load of the car and a desired car deceleration. A drive signal for driving the electromagnet is generated based on the braking torque and is supplied to the electromagnet, wherein, when the car is braked, an actual car deceleration is ascertained and calibration is performed based on the ascertained actual car deceleration, specifically calibration of the ascertained required braking torque or calibration of the drive signal that is generated based on the ascertained required braking torque.

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