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    Electrical appliance and electrical connection assembly
    3.
    发明授权
    Electrical appliance and electrical connection assembly 有权

    公开(公告)号：US11715609B2

    公开(公告)日：2023-08-01

    申请号：US17420551

    申请日：2019-12-31

    申请人： SHANGHAI LEADING CONNECTION MECHATRONICS TECHNOLOGY CO., LTD. ,  JIANGSU LUOKAI MECHANICAL AND ELECTRICAL CO., LTD.

    发明人： Zheng Shi

    IPC分类号： H01H1/50 ,  H01H1/36 ,  H02B11/04

    CPC分类号： H01H1/50 ,  H01H1/365 ,  H02B11/04

    摘要： An electrical connection device is connected between a main body and a draw-out device of an electrical appliance having a draw-out structure. The electrical connection device includes: a draw-out device connection assembly being fixed on the draw-out device and electrically connected to inlet and outlet ends of the draw-out device; a main body connection assembly including contact pieces with a clamping mechanism, wherein the clamping mechanism makes the contact pieces close to and clamp main body busbars; and a flexible assembly connecting the draw-out device connection assembly and the main body connection assembly to form a conductive path. The contact pieces of the main body connection assembly are offset by adapting to the position deviation of the main body busbars. A linked electrical connection assembly is formed by the described electrical connection devices and an electrical appliance using the described electrical connection devices or the electrical connection assembly.

    VIBRATION-LIMITING DEVICE FOR AN APPARATUS COMPRISING A SWITCHGEAR AND A SWITCHING DEVICE, SUCH AS A CIRCUIT BREAKER, AND APPARATUS COMPRISING SAID VIBRATION-LIMITING DEVICE
    5.
    发明申请
    VIBRATION-LIMITING DEVICE FOR AN APPARATUS COMPRISING A SWITCHGEAR AND A SWITCHING DEVICE, SUCH AS A CIRCUIT BREAKER, AND APPARATUS COMPRISING SAID VIBRATION-LIMITING DEVICE 审中-公开

    公开(公告)号：US20180019074A1

    公开(公告)日：2018-01-18

    申请号：US15651685

    申请日：2017-07-17

    申请人： ABB Schweiz AG

    发明人： Francesco Belloni ,  Andrea Farina

    IPC分类号： H01H1/50 ,  H01H3/00 ,  H01H1/58

    CPC分类号： H01H1/50 ,  H01H1/38 ,  H01H1/58 ,  H01H3/00 ,  H02B11/04

    摘要： An apparatus comprises a switchgear (5) having at least one couple of stationary conducting terminals (6) and a switching device (3), such as a circuit breaker, having at least one couple of corresponding movable conducting terminals (2). The switching device (3) is movable with respect to the switchgear (5) along a connection/disconnection direction (CD) between a connection position, wherein the switching device (3) is electrically and mechanically connected to the switchgear (5) by engagement of the movable conducting terminals (2) with the corresponding stationary contacting terminals (6) by means of contact assemblies (1) coupled either to the movable conducting terminals (2) or to the stationary conducting terminals (6), and a disconnection position, wherein the switching device (3) and the switchgear (5) are electrically and mechanically disconnected. The apparatus further comprises at least one vibration-limiting device (7) integrally coupled to either one movable conducting terminal (2) of said at least one couple of movable conducting terminals or to one corresponding stationary conducting terminal (6) of said at least one couple of stationary conducting terminals and conformed such that: when the switching device (3) is approaching the connection position moving along said connection/disconnection direction (CD), the vibration-limiting device (7) does not interfere with the other of the one movable conducting terminal (2) or the one corresponding stationary conducting terminal (6); when the switching device (3) is in the connection position, in case of vibrations of the one movable conducting terminal (2) transversal to said connection/disconnection direction (CD), the vibration-limiting device (7) interferes with the other of the one movable conducting terminal (2) or the one corresponding stationary conducting terminal (6) so to limit the vibrations amplitude.

    SWITCHING DEVICE FOR AN ELECTRICAL CIRCUIT AND A METHOD FOR CONTROLLING SUCH SWITCHING DEVICE
    7.
    发明申请
    SWITCHING DEVICE FOR AN ELECTRICAL CIRCUIT AND A METHOD FOR CONTROLLING SUCH SWITCHING DEVICE 审中-公开

    公开(公告)号：US20170256369A1

    公开(公告)日：2017-09-07

    申请号：US15312906

    申请日：2014-05-20

    申请人： ABB Schweiz AG

    发明人： Fabio MANNINO ,  Andrea BIANCO ,  Andrea RICCI

    IPC分类号： H01H1/50 ,  H01H3/26 ,  H01H3/60

    CPC分类号： H01H1/50 ,  H01H3/26 ,  H01H3/60 ,  H01H33/26 ,  H01H33/36 ,  H01H33/42 ,  H01H33/50

    摘要： A switching device for an electric circuit, the switching device comprising: at least one phase having a movable contact which can be coupled to/separated from a corresponding fixed contact; a kinematic chain operatively associated to the movable contact; driving means adapted to move the kinematic chain between a first position and a second position for actuating the movable contact; and control means adapted to control the driving means. The kinematic chain is adapted to reach the second position from the first position before reaching a dead-point position, and the control means are adapted to: detect a loss condition of a power supply associable to and suitable for operating the switching device, while the kinematic chain is in the second position; and control the driving means to move the kinematic chain away from the second position when the loss condition is detected, in such a way that the kinematic chain passes through the dead-point position and reaches a third position between the dead-point position and corresponding blocking means of the switching device.