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    • 6. 发明公开
    • Electrical insulator bushing
    • ElektrischeDurchführung
    • EP2645379A1
    • 2013-10-02
    • EP12184931.9
    • 2012-09-19
    • ABB Technology Ltd
    • Johansson, LarsKaufmann, PatrikBirgerson, JonasStahl, RobertWang, Lu
    • H01B17/54H01B17/26
    • H01B17/54H01B17/26
    • The present invention relates to an electrical insulator bushing (1) comprising: an electrically insulating sleeve (2) having a central longitudinal through hole (4) surrounding a central longitudinal axis (5) of the bushing; and an electrical conductor (3) positioned through the central longitudinal through hole (4) of the sleeve (2); wherein the conductor (3) comprises at least a part of an eccentrically located cavity (6) extending longitudinally along the conductor (3); wherein the cavity (6) is at least partly filled with a fluid, the fluid being contained in the cavity (6) in a closed system; whereby the cavity (6) forms a heat pipe arranged for transferring heat within the bushing.
    • 电绝缘套管(1)本发明涉及一种电绝缘套管(1),包括:电绝缘套筒(2),其具有围绕套管的中心纵向轴线(5)的中心纵向通孔(4) 以及通过所述套筒(2)的中心纵向通孔(4)定位的电导体(3)。 其中所述导体(3)包括沿所述导体(3)纵向延伸的偏心定位的空腔(6)的至少一部分; 其中所述空腔(6)至少部分地填充有流体,所述流体在封闭系统中容纳在所述空腔(6)中; 由此空腔(6)形成布置成用于在衬套内传递热量的热管。
    • 9. 发明公开
    • HOCHSPANNUNGSISOLATOR
    • 高压隔离开关
    • EP2245639A1
    • 2010-11-03
    • EP09712010.9
    • 2009-02-17
    • ABB Technology AG
    • WIDMER, BrunoMAUROUX, Jean-ClaudeLAKNER, MartinRITZER, LeopoldWEDER, Reto
    • H01B17/38H01B17/54
    • H01B17/54H01B17/38
    • The high-voltage insulator contains a metal armature (2), an insulating tube (1) which is joined to the metal armature and is adhesively bonded to the metal armature at an end in the form of a bearing ring (10), and an axially symmetrical adhesive-bonding joint which is guided around the axis (A) of the insulating tube. An annular groove (23) which is guided around the axis of the insulating tube and receives an end section of the bearing ring is formed in the metal armature. A respective sealing surface (24, 13) is formed in the groove (23) and in the bearing ring (10). The two sealing surfaces are arranged and formed in such a manner that they slide on one another when joining the insulating tube (1) and the metal armature (2) so as to form a seal, and the bearing ring (10) which acts as a displacement body presses adhesive (32), which has been introduced into the groove (23), into the adhesive-bonding joint before joining. The insulator and a cooling element containing this insulator are simple to produce and are distinguished by a leakage rate of less than 10
      -9 [bar l/s] and by great operational reliability even after many years of operation with a large mechanical, electrical, thermal and chemical load.