ELEVATOR SYSTEM RUNBY MONITORING AND ADJUSTMENT

    公开(公告)号:US20190010023A1

    公开(公告)日:2019-01-10

    申请号:US16066870

    申请日:2015-12-28

    摘要: A runby monitoring system for an elevator system includes a sensor fixed in a hoistway of the elevator system, and a sensed element located at a moving component of the elevator system. The sensor is configured to detect a presence of the sensed element when the sensed element is substantially aligned with the sensor in the hoistway. The detection of the presence of the sensed element at an expected elevator system operational point is indicative of a clearance between the moving component of the elevator system and a lowermost extent of the hoistway within a preselected range.

    Elevator maintenance space projection systems

    公开(公告)号:US11465880B2

    公开(公告)日:2022-10-11

    申请号:US16022773

    申请日:2018-06-29

    发明人: Bi Xiong

    摘要: Elevator maintenance space projection systems and elevator systems including a projector located within an elevator shaft and arranged to project a display space within the elevator shaft such that the display space includes one or more projected images identifying at least one of a safety volume, a refuge space, and a maintenance location.

    ELEVATOR CAR WITH MOVING EMERGENCY STOP DEVICE

    公开(公告)号:US20210238009A1

    公开(公告)日:2021-08-05

    申请号:US16952312

    申请日:2020-11-19

    发明人: Bi Xiong

    IPC分类号: B66B5/00 B66B5/02 B66B11/02

    摘要: An elevator car (2) includes a roof (4) and an emergency stop device (6) mounted on the roof (4). The emergency stop device (6) is mounted to move between a first position (8) on the roof (4) during a normal operation mode and a second, different position on the roof (4) during an inspection mode. For example, the emergency stop device (6) is movably mounted to a safety balustrade (12) installed on the roof (4). A safety volume (30) may therefore be positioned to align better with a maintenance area (22) on the roof.

    MOVEABLE MAINTENANCE ASSEMBLIES FOR ELEVATORS

    公开(公告)号:US20180257910A1

    公开(公告)日:2018-09-13

    申请号:US15903126

    申请日:2018-02-23

    发明人: Bi Xiong

    IPC分类号: B66B5/00

    摘要: Moveable elevator car maintenance assemblies having a fixed portion fixedly attached to the elevator car, the fixed portion forming a portion of a frame of the elevator car, a moveable portion arranged within the fixed portion, the moveable portion moveable relative to the fixed portion from a first position to a second position, and at least one component removably mounted to the moveable portion. The at least one component is removable from the moveable portion when the moveable portion is in the second position.

    Elevator systems, guide rail assemblies and methods of installing elevator systems

    公开(公告)号:US11845635B2

    公开(公告)日:2023-12-19

    申请号:US17830654

    申请日:2022-06-02

    摘要: An elevator system (2) comprising a hoistway (4), an elevator car (6) and a counterweight (8) arranged to move within the hoistway (4). The system (2) further includes a first counterweight guide rail and a second counterweight guide rail arranged to guide the counterweight within the hoistway (4) and a guide rail bracket (32) which connects the first and second counterweight guide rails together. An elevator machine (10) is arranged to drive a tension member (14), which couples the elevator car (6) and counterweight together (8), to move the elevator car (6) within the hoistway (4). The system (2) further includes a friction reducing element (36) arranged on the guide rail bracket (32) such that if the tension member (14) moves towards the guide rail bracket (32) during operation of the elevator system (2), the tension member (14) contacts the friction reducing element (36).

    ELEVATOR MAINTENANCE SPACE PROJECTION SYSTEMS

    公开(公告)号:US20190002240A1

    公开(公告)日:2019-01-03

    申请号:US16022773

    申请日:2018-06-29

    发明人: Bi Xiong

    摘要: Elevator maintenance space projection systems and elevator systems including a projector located within an elevator shaft and arranged to project a display space within the elevator shaft such that the display space includes one or more projected images identifying at least one of a safety volume, a refuge space, and a maintenance location.

    ELEVATOR SYSTEMS, GUIDE RAIL ASSEMBLIES AND METHODS OF INSTALLING ELEVATOR SYSTEMS

    公开(公告)号:US20230141731A1

    公开(公告)日:2023-05-11

    申请号:US17830654

    申请日:2022-06-02

    摘要: An elevator system (2) comprising a hoistway (4), an elevator car (6) and a counterweight (8) arranged to move within the hoistway (4). The system (2) further includes a first counterweight guide rail and a second counterweight guide rail arranged to guide the counterweight within the hoistway (4) and a guide rail bracket (32) which connects the first and second counterweight guide rails together. An elevator machine (10) is arranged to drive a tension member (14), which couples the elevator car (6) and counterweight together (8), to move the elevator car (6) within the hoistway (4). The system (2) further includes a friction reducing element (36) arranged on the guide rail bracket (32) such that if the tension member (14) moves towards the guide rail bracket (32) during operation of the elevator system (2), the tension member (14) contacts the friction reducing element (36).