Patent ID: 9666926
Date: 2017-05-30
CPC Classifications: H01P,Y10T

Claim:
1. A power supply line for supplying electric power to a vehicle, comprising: a two-layered tubular conductor including an inner tube portion, an outer tube portion and a plurality of connecting portions provided between the inner tube portion and the outer tube portion, wherein the connecting portions are arranged with a regular interval between two neighboring connecting portions in a circumferential direction of the conductor, wherein the inner tube portion and the outer tube portion are connected to each other by the connecting portions over a longitudinal full length of the conductor, wherein the inner tube portion and the outer tube portion are concentric over the longitudinal full length of the conductor, wherein each of the inner tube portion and the outer tube portion is configured to flow a high-frequency current therethrough, wherein the connecting portions includes raised connecting portions formed on the inner tube portion, the raised connecting portions making contact with an inner surface of the outer tube portion, and wherein the outer tube portion includes guide grooves formed on the inner surface thereof, the raised connecting portions engaging with the guide grooves.