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they studied bloquees attached string cables specially appropriate oil high and very high fluid pressures
they studied bloquees attached string cables specially appropriate oil high and very high fluid pressures
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机译:他们研究了附有电缆的气孔,这些电缆特别适合高油和非常高的流体压力
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摘要
1276227 Cable joints INDUSTRIE PIRELLI SpA 1 July 1970 [18 Sept 1969] 31993/70 Heading H2E A stop joint for oil-filled electric cables comprises two abutting elements 6SP1/SP, 6SP11/SP connected respectively to adjacent ends of a pair of adjoining cable lengths 1, 1SP1/SP, the abutting faces of the elements having a larger diameter than the remaining parts thereof, the two elements together forming an annular flange which is fitted within an annular groove 9 in a ring 10 formed of a plurality of segments to lock and align the two elements together, the ring being fixed relative to an external joint casing 22. Adjoining the abutting faces of the identical metallic elements 6SP1/SP, 6SP11/SP are frusto-conical parts 7, 7SP1/SP which fit into the groove 9, and annular plates 6a, 6b fasten the elements 6SP1/SP, 6SP11/SP to insulating sleeves 12, 12SP1/SP which have flanges 24, 24SP1/SP clamped between the end walls 21, 21SP1/SP of the joint easing 22 and annular bushings 23, 23SP1/SP to connect the joint rigidly to the casing. Gaskets 19, 19SP1/SP prevent transference of oil from one cable length to the other. Three pairs of screening elements, 15-15SP1/SP, 11-11SP1/SP, 14-14SP1/SP screen the insulating sleeves 12, 12SP1/SP, opposite sides of the ring 10 and the ends of the cables, respectively, the elements 15-15SP1/SP, 14-14SP1/SP being contained in respective sleeves 25, 20, with the elements 11-11SP1/SP being electrically connected to the ring 10 by springs (not shown) and to each other by metallic tape 17 and carbon paper 18 extending between seats 16, 16SP1/SP formed in the elements 11-11SP1/SP.
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