Power cable for direct electric heating system

Details Power cable for direct electric heating system Power cable for direct electric heating system

2008-06-03

2008-06-03

Nguyen, Chau N. (Department: 2831)

Electricity: conductors and insulators

Conduits, cables or conductors

Conductive armor or sheath

C174S078000

Reexamination Certificate

active

07381900

ABSTRACT:
Electric power cable used as a riser (15) and/or feeder cable (16) in a Direct Electric Heating system for oil or condensate pipelines (10), comprising at least two conductors (1, 5) and insulation layers (3, 6). An outer concentric conductor (5) is connected to a near end of the pipeline, and a central conductor (1) is connected via a piggyback cable (12) to a far end of the pipeline, to provide power for the heating. Another aspect is a terminal assembly adapted to providing an electric connection of the electric power cable with the pipeline (10), where a cone (41) is adapted to squeeze the concentric conductor (5) against a concentric conductor adapter (40).

REFERENCES:
patent: 2007/0044992 (2007-03-01), Bremnes
patent: 2352082 (2001-01-01), None
Search Report—Jul. 13, 2007.
Norwegian Search Report—Nov. 8, 2006.

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