Line for conveying electrical power

Details Line for conveying electrical power Line for conveying electrical power

1994-09-23

1996-03-05

Nimmo, Morris H.

Electricity: conductors and insulators

With fluids or vacuum

Conduits, cables and conductors

174 14R, 174 162, 174 28, H01B 906

Patent

active

054969654

ABSTRACT:
A three-phase electrical power line comprising a sealed tubular envelope of steel filled with insulating gas under pressure, e.g. nitrogen or carbon dioxide CO.sub.2, and having three conductive bars placed therein together with a thin tubular envelope of aluminum which is located between the steel envelope and the bars, wherein the conductive bars are held by collars made of non-magnetic material, having an outside diameter equal to the inside diameter of the aluminum tubular envelope, and possessing three radial arms which are screwed to tabs of insulating supports that enclose the conductive bars.

REFERENCES:
patent: Re27397 (1972-06-01), Babigan
patent: Re31949 (1985-07-01), Hopkins
patent: 3751578 (1973-08-01), Hoffmann
patent: 3767837 (1973-10-01), Graybill
patent: 4110551 (1978-08-01), Cookson
patent: 4297523 (1981-10-01), Floessel et al.
patent: 4335267 (1982-06-01), Hopkins
patent: 4370511 (1983-01-01), Cookson et al.
patent: 4372043 (1983-02-01), Cookson
patent: 4404423 (1983-09-01), Sakakibara et al.
patent: 4743709 (1988-05-01), Meyer et al.
patent: 5089665 (1992-02-01), Thuries

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