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1. 发明授权

US4523648A Sheathed, multi-core, oil filled, electric cable with oil duct exterior to the cores 失效
标题翻译：护套，多芯，充油，带有油管外部电芯的芯线
公开(公告)号：US4523648A
公开(公告)日：1985-06-18
申请号：US578411
申请日：1984-02-09
申请人： Francesco Strada , Giuseppe Bazzi
发明人： Francesco Strada , Giuseppe Bazzi
IPC分类号： H01B9/06
CPC分类号： H01B9/0616
摘要： An electric cable having a fluid-tight, metal sheath containing a plurality of cores without oil ducts, each including a conductor surrounded by insulation, and a separate tubular member adjacent and contacting two of the cores and having an oil duct of a cross-sectional area at least equal to the cross-sectional area of the sum of the oil duct cross-sectional areas normally included in each core. The spaces between the tubular member and the cores and between the cores, the tubular member and the sheath are filled with an insulating filler, and the insulation of the cores and the filler are impregnated with an insulating oil and the duct of the tubular member is filled with the insulating oil. The sheath contacts the outer surfaces of the tubular member and the cores, and the oil duct of the tubular member contains a plurality of longitudinally spaced, oil flow restrictors.
摘要翻译：一种电缆，其具有流体密封的金属护套，其包含多个没有油管的芯，每个芯包括被绝缘体包围的导体，以及与两个芯相邻并接触的单独的管状构件，并且具有横截面的油管至少等于每个核心中通常包括的油管横截面积的总和的横截面面积。管状部件与芯部之间以及芯部，管状部件和护套之间的间隔填充有绝缘填料，芯部和填料的绝缘体浸渍有绝缘油，管状部件的管道为充满绝缘油。护套接触管状构件和芯的外表面，并且管状构件的油管包含多个纵向间隔开的油流限制器。

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