The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 23, 2021

Filed:

Aug. 02, 2019
Applicant:

Prysmian S.p.a., Milan, IT;

Inventors:

Bartolomeo D'Agostino, Milan, IT;

Massimo Bechis, Milan, IT;

Assignee:

PRYSMIAN S.p.A., Milan, IT;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01B 7/17 (2006.01); H01B 9/02 (2006.01);
U.S. Cl.
CPC ...
H01B 9/027 (2013.01); H01B 7/17 (2013.01);
Abstract

High voltage three-phase cable comprising three cores positioned so as to assume the configuration with minimum radial dimension and a sheath surrounding the three cores, wherein each core comprises an electric conductor having a substantially triangular shaped cross section with vertex portions and edges; an insulating system surrounding the electric conductor, the insulating system comprising an inner semiconducting layer surrounding the electric conductor, an insulating layer surrounding and in contact with the inner semiconducting layer and an outer semiconducting layer surrounding and in contact with the insulating layer, the layers of the insulating system being made of an extruded polymeric material having a dielectric constant ε comprised from 2 to 2.5; and a metallic screen surrounding the insulating system.


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