Back to results
US 11,049,631 B2Granted
Power cable
AssigneeLs Cable & System Ltd.
InventorsJi Sung Kim, Weon Bae Kim, Kyoung Ro Ko, Joon Keun Lee, Kum Hwan Cha, Jae Cheol Gwag, Tae Hyun Kim
Life of this patent
Estimating the term…
Abstract
A power cable includes a conductor, an inner semi-conductive layer covering the conductor, an insulating layer covering the inner semi-conductive layer and impregnated with insulating oil, an outer semi-conductive layer covering the insulating layer, a metal sheath layer covering the outer semi-conductive layer, and a cable protection layer covering the metal sheath layer. A minimum thickness t1 of a certain cross section of the metal sheath layer is less than or equal to 90% of a maximum thickness t2 thereof.
Claims11
A power cable comprising:
- a conductor;
- an inner semi-conductive layer covering the conductor;
- an insulating layer covering the inner semi-conductive layer and impregnated with insulating oil;
- an outer semi-conductive layer covering the insulating layer;
- a metal sheath layer covering the outer semi-conductive layer;
- and
- a cable protection layer covering the metal sheath layer,
- wherein a minimum thickness t1 of a certain cross section of the metal sheath layer is less than or equal to 90% of a maximum thickness t2 thereof, such that deoiling voids within the insulating layer are reduced.
5 more elements
Dependencies are inferred from the claim text.