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公开(公告)号：US11535487B2
公开(公告)日：2022-12-27
申请号：US16690818
申请日：2019-11-21
Applicant: Otis Elevator Company
Inventor： Peter Herkel
Abstract: An elevator safety system (20) for an elevator system (2) with a self-diagnostic functionality includes at least two safety channels (22a, 22b), wherein each safety channel (22a, 22b) is configured for supplying a safety signal (23a, 23b) in case a safety issue has been detected. The elevator safety system (20) comprises a self-diagnostic evaluator (24), which is configured for receiving any safety signals (23a, 23b) supplied via the safety channels (22a, 22b); starting a timer (25) for measuring a predetermined period of time in case a safety signal (23a, 23b) is supplied on one of the safety channels (22a, 22b); and stopping any further operation of the elevator system (2) in case the received signal (23a, 23b) is still supplied after the predetermined period of time has expired.
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公开(公告)号：US11440773B2
公开(公告)日：2022-09-13
申请号：US16354580
申请日：2019-03-15
Applicant: Otis Elevator Company
Inventor： Peter Herkel
Abstract: An automatic elevator safety system includes an elevator safety circuit and an external server. The elevator safety circuit is configured for monitoring the operation of an elevator system comprising at least one elevator car traveling along a hoistway, and an elevator control configured for controlling the movement of the elevator car. At least one of the elevator control and the elevator safety circuit is configured for sending data comprising information about the current state of the elevator system to the external server, in particular in case a safety issue has been detected. The external server is configured for (A) receiving the data sent by the at least one elevator safety circuit; (B) analyzing the received data; and (C) depending on the result of the analysis, sending commands to the elevator system.
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公开(公告)号：US20210094795A1
公开(公告)日：2021-04-01
申请号：US16835649
申请日：2020-03-31
Applicant: Otis Elevator Company
Inventor： Alexander Paetow , Axel Steffen Pfeffer , Peter Herkel , Mustapha Toutaoui
Abstract: Elevator system (2) comprising: a hoistway (4) extending between a plurality of landings (8); at least one elevator car (6) configured for moving along the hoistway (4) between the plurality of landings (8); an elevator drive (5) configured for moving the at least one elevator car (6) along the hoistway (4); and an elevator control (9) configured for controlling the elevator drive (5). The elevator control (9) is configured for selectively operating in a normal operation mode or in a maintenance mode.
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公开(公告)号：US20200239269A1
公开(公告)日：2020-07-30
申请号：US16721337
申请日：2019-12-19
Applicant: Otis Elevator Company
Inventor： Peter Herkel , Dirk H. Tegtmeier
Abstract: Elevator system includes a hoistway extending between a plurality of landings; an elevator car configured for moving along the hoistway between the plurality of landings; an elevator drive configured for driving the elevator car; a position determining system configured for determining the position of the elevator car within the hoistway; at least one switch; and an elevator controller. The elevator controller is configured for detecting an activation of the at least one switch; controlling the elevator drive to move the elevator car in a predetermined direction after the switch has been activated; determining the current position of the elevator car within the hoistway and comparing the determined position of the elevator car with at least one predefined positional limit (LUP, LLOW), while the elevator car is moving.
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公开(公告)号：US20190284022A1
公开(公告)日：2019-09-19
申请号：US16354580
申请日：2019-03-15
Applicant: Otis Elevator Company
Inventor： Peter Herkel
Abstract: An automatic elevator safety system includes an elevator safety circuit and an external server. The elevator safety circuit is configured for monitoring the operation of an elevator system comprising at least one elevator car traveling along a hoistway, and an elevator control configured for controlling the movement of the elevator car. At least one of the elevator control and the elevator safety circuit is configured for sending data comprising information about the current state of the elevator system to the external server, in particular in case a safety issue has been detected. The external server is configured for (A) receiving the data sent by the at least one elevator safety circuit; (B) analyzing the received data; and (C) depending on the result of the analysis, sending commands to the elevator system.
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Patent Agency Ranking
公开(公告)号：US20190210837A1
公开(公告)日：2019-07-11
申请号：US16241654
申请日：2019-01-07
Applicant: Otis Elevator Company
Inventor： Peter Herkel , Lutz Hentschel
CPC classification number: B66B5/027 , B66B1/3461 , B66B5/0006 , B66B5/0018 , B66B9/00
Abstract: An elevator system (2) comprises an elevator car (6) configured for moving along a hoistway (4); an elevator control (13) configured for controlling the movement of the elevator car (6); and a communication circuit (18) configured for establishing a data connection (20) between the elevator system (2) and a remote service center (22). The elevator control (13) includes a safety circuit (17) configured for detecting a malfunction of the elevator system (2).
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公开(公告)号：US20190092601A1
公开(公告)日：2019-03-28
申请号：US16085710
申请日：2016-03-18
Applicant: Dirk H. TEGTMEIER , Otis Elevator Company
Inventor： Dirk H. Tegtmeier , Peter Herkel
IPC: B66B5/00
Abstract: An elevator safety system includes: at least two sensors, each of the sensors being configured for monitoring at least a portion of a hoistway of an elevator system and providing monitoring signals; a transformation unit which is configured for transforming the monitoring signals provided by at least one of the sensors and producing transformed signals corresponding to a common direction of vision; a comparison unit which is configured for comparing the at least two transformed signals and for generating a failure signal if a difference between the at least two transformed signals exceeds a predetermined threshold; and a detection unit, which is configured for detecting a person or undesired item in at least one of the two transformed signals and for generating an alarm signal if a person or undesired item is detected.
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公开(公告)号：US20180237260A1
公开(公告)日：2018-08-23
申请号：US15901005
申请日：2018-02-21
Applicant: Otis Elevator Company
Inventor： Peter Herkel , Dirk H. Tegtmeier
CPC classification number: B66B5/0031 , B66B1/285 , B66B1/3407 , B66B1/3492 , B66B5/0056 , B66B9/00
Abstract: An elevator safety system for an elevator system (2) with an elevator car (12), which is movable along a hoistway (4), comprises: at least one position sensor (25), which is configured for determining a position value representing the position of the elevator car (12) within the hoistway (4); a limit setting unit (32), which is configured for determining an operation status of the elevator system (2) and for setting at least one position limit according to the determined operation status of the elevator system (2); and a comparison unit (34), which is configured for comparing the position value with the position limit and for determining an unsafe condition of the elevator system (2) if the position value is not in compliance with the at least one position limit.
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公开(公告)号：US20180237258A1
公开(公告)日：2018-08-23
申请号：US15508745
申请日：2014-09-10
Applicant: Otis Elevator Company
Inventor： Peter Herkel
CPC classification number: B66B1/3461 , B66B1/3446 , B66B1/3453 , B66B5/0012
Abstract: An elevator system (1) comprises: an elevator car (4), which is moveable along a hoistway (2); a mobile node (8) moving with the elevator car (4); a stationary node (14), which does not move with the elevator car (4); and a CAN-bus (60) interconnecting the mobile node (8) with the stationary node (14) for transmitting data between the nodes (8, 14). The mobile node (8) and the stationary node (14) are configured for transmitting sound and/or video data from and/or to the elevator car (4) via the CAN-bus (60).
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公开(公告)号：US20180186602A1
公开(公告)日：2018-07-05
申请号：US15740674
申请日：2015-07-01
Applicant: Peter HERKEL , Otis Elevator Company
Inventor： Peter Herkel , Michael Mann , Helmut Lothar Schroeder-Brumloop , Pascal Rebillard , Igor Kuzmin
Abstract: The present disclosure relates to an elevator control system (1), comprising an elevator control device (2) for operating an elevator car (12) which is adapted to be operated within an elevator shaft (18), and an inspection control station (3) configured to communicate with the elevator control device (2) for operating at least one function of an elevator system (10) in an inspection or maintenance operation mode, and configured for attachment at a storing location (71,72) of the elevator system (10), wherein the storing location (71,72) is at the elevator car (12) or within the elevator shaft (18) or in proximity of the elevator shaft (18). The inspection control station (3) is adapted to be detachable from the storing location (71,72) and configured to operate as remote inspection control station when detached from the storing location (71,72) through wireless communication with the elevator control device (2), and is configured to be movable and operable in the inspection or maintenance operation mode from inside and outside of the elevator car (12) and within the elevator shaft (18). The disclosure also relates to an elevator system (10) comprising such elevator control system (1).
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