专利检索_ .气压电缆;油压电缆;用于液压管道中的电缆专利检索_ .气压电缆;油压电缆;用于液压管道中的电缆专利检索查询

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序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
1	GESCHIRMTE MULTIPAARANORDNUNG ALS ZULEITUNG ZU EINER INDUKTIVEN HEIZSCHLEIFE IN SCHWERÖLLAGERSTÄTTEN	EP13786446.8	2013-10-24	EP2925956A2	2015-10-07	DIEHL, Dirk
The invention relates to an arrangement of a plurality of electrical conductor pairs (3) for symmetrical supplying of a consumer, in particular of a capacitively compensated conductor loop for inductively heating deposits of substances comprising hydrocarbons, such as oil sand, bitumen, heavy oil, natural gas, shale gas, and a shield pipe (4) enclosing the substances, wherein supply (1) and return (2) lines of the conductor pairs (3) are alternatingly concentrically and/or uniformly distributed within the shield pipe (4) enclosing the plurality of conductor pairs (3). The eddy currents occurring in the shield pipe (4) and the consequential losses are thus minimized.
2	High voltage compression gas insulating transmission line	JP17912381	1981-11-10	JPS57153509A	1982-09-22	ARAN HAWAADO KUTSUKUSON; SUTEINAA JIYARAN DEIRU

3	JPS4954876A -	JP5054373	1973-05-07	JPS4954876A	1974-05-28

4	GESCHIRMTE MULTIPAARANORDNUNG ALS ZULEITUNG ZU EINER INDUKTIVEN HEIZSCHLEIFE IN SCHWERÖLLAGERSTÄTTEN	EP13786446.8	2013-10-24	EP2925956B1	2016-11-30	DIEHL, Dirk

5	GAS-FILLED CABLE.	EP79900179	1979-08-28	EP0009495A1	1980-04-16	KNUDSEN NIELS; ORPANA VEIKKO; WISUR MATTI; WARULF OLOV; BERGQVIST HAKAN; AFZELIUS RAOUL
Un cable electrique rempli de gaz ayant une faible emission calorifique et une faible perte d'energie est utilise pour la transmission d'un courant electrique a haute tension. Le cable comprend un ou plusieurs conducteurs (14) espaces les uns des autres axialement dans le cable au moyen d'isolateurs (16) de support a l'interieur d'une conduite (10, 12 ou 12') qui est remplie d'un melange gazeux isolant. Dans ce cable, la conduite se compose d'une part, d'une gaine metallique cylindrique (10) en acier ordinaire ou a faible teneur de carbone inferieure a 0,6% et, d'autre part, d'une protection metallique (12, 12') faite d'un materiau nonmagnetique, fixee a l'interieur de la gaine et ayant une faible resistivite specifique electrique. Cette protection metallique (12') peut etre espacee de la gaine metallique (10) sur toute la longueur a l'interieur de ladite gaine. Ladite protection est perforee (en 22) de trous, fentes ou autres qui communiquent avec l'espace formant un piege a particules (20).
6	Electric cable	JP476682	1982-01-14	JPS57138712A	1982-08-27	ERIO OTSUKINI; JIYANMARIO RANFURANKONI; PIERO METORA

7	JPS5325936B2 -	JP1806374	1974-02-14	JPS5325936B2	1978-07-29

8	JPS49113142A -	JP1806374	1974-02-14	JPS49113142A	1974-10-29

9	JPH0261083B2 -	JP476682	1982-01-14	JPH0261083B2	1990-12-19	ERIO OTSUKINI; JANMARIO RANFURANKONI; PIERO METORA

10	JPS55500201A -	JP50038079	1979-02-08	JPS55500201A	1980-04-10

11	JPS5335263B2 -	JP5054373	1973-05-07	JPS5335263B2	1978-09-26

12	Multiple wall structure for flexible cable using tubular and spiral corrugations	US202452	1980-10-31	US4487660A	1984-12-11	Philip C. Netzel; Edward M. Spencer
The central conductor of a gas-insulated flexible cable consists of separate concentric tubes which are alternately spirally corrugated and annularly corrugated so that the corrugations will not nest relative to one another and are axially movable relative to one another.
13	Gas-filled cable with composite conduit of low carbon steel and aluminum and having particle traps	US185919	1979-10-02	US4347401A	1982-08-31	Niels Knudsen; Veikko Orpana; Matti Wisur; Olov Warulf; Hakan Bergqvist; Raoul Afzelius
A gas-filled cable having low heat emission and low power loss and being used for the transmission of high-voltage electric current. The cable includes one or more conductors which are axially spaced in position relative to each other by means of supporting insulators inside an enclosing conduit which is filled with an insulating gaseous medium. In such a cable the conduit comprises on one hand a cylindrical metal sheath of plain or low-alloy merchant steel having a carbon content of less than 0.6% and on the other hand a metal shield of non-magnetic material fixed inside the sheath and having a low specific electrical resistivity. The metal shield has a plurality of openings therethrough spaced along its length for forming particle traps.
14	High voltage system, particularly cable	US3777045D	1972-05-30	US3777045A	1973-12-04	ARTBAUER J
High voltage cable with a particular first, inner conductor of circular outer cross section and contour, and a second tubular conductor coaxially arranged to the first conductor, having inwardly projecting corrugation crests of convex contour, projecting inwardly towards the inner conductor. The radius of curvature of the convexity is selected so that the electric field strength immediately adjacent the corrugation crests of the second conductor is about similar to or somewhat smaller than the field strength immediately adjacent the first conductor.
15	Tapping saddle for polyethylene cable	US39164864	1964-08-24	US3284109A	1966-11-08	PARKER CARL L

16	Gas pressurized electric cable	US21707562	1962-08-15	US3233032A	1966-02-01	CROWDES GEORGE J

17	Method and apparatus for effecting electrical insulation utilizing hexafluoroacetone as dielectric	US31457963	1963-10-01	US3231662A	1966-01-25	MEARS WHITNEY H; ORFEO SABATINO R

18	Alternating current pipe cable system with magnetic field trap	US13991861	1961-09-22	US3160702A	1964-12-08	LAPSLEY RHEA P

19	Insulating structure for high voltage power cables	US15525261	1961-11-24	US3144499A	1964-08-11	LESLIE DAVEY EDWARD
928,057. Cables; cable terminations. BRITISH INSULATED CALLENDER'S (SUBMARINE CABLES) Ltd. Dec. 5, 1961 [Dec. 6, 1960], No. 41975/60. Class 36. A gas-filled high-voltage power cable constructed without a gasproof metal sheath comprises at least one conductor having a flexible effective surface of a smooth non-re-entrant form on which is built a dielectric wall of helical lappings of plastics film which is surrounded by a layer or layers of helically applied metal tapes which may be separated from the dielectric by an electrically conductive screening tape. In the embodiment described (Fig. 1) the cable has a stranded core 1 on which is wound a flexible screen 2 of conductive polyethylene. The dielectric comprises layers 3 of polyethylene tapes applied with a 10% overlap and surrounding these layers is a seamless envelope 4 of polyethylene. An outer screen 5 is constructed from a helically applied conductive polyethylene tape. The cable is reinforced against the gas pressure by two layers of aluminium tape followed by two layers of aluminium alloy tape 6. A tape of bituminized cotton 7 and a seamless P.V.C. tube 8 protect the cable from corrosion. Numerous examples of the types of core which could be used and of suitable reinforcing tapes are given. The seamless envelope 4 may be applied by extrusion or formed by heating the outer tapes so that they combine. The outer tube 8 may be of rubber. The gas used may be nitrogen or sulphur hexafluoride and the gas space may be increased by sprinkling the dielectric tapes with powdered glass or mica or by roughening the tape surfaces. A sealing end for the cable (Fig. 2) comprises an inner insulator 13 enclosed in a shedded insulator 18, the inner insulator 13 being filled with liquid at the gas pressure. Gas is supplied to the insulator by a pipe 19 and if this is metal it is connected to a similar insulator 19. A gas reservoir may be included to take account of expansion due to heating of the cable.
20	Means for supplying pressurized dry air to an enclosure and cable systems embodying such means	US3806060	1960-06-22	US3144314A	1964-08-11	JACKSON JESSE M

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