An object is to provide an article transport facility in which electricity can be supplied properly from an electricity supply line to a power receiving portion even in a curved portion of a predetermined travel path without providing the power receiving p...

In order to provide contactless power-feed equipment that can avoid excessive energy consumption upon switching, a primary side includes a DC power-supply device 11, a power-feed device 12, and a power-feed unit 13 and a secondary side includes a power-rec...

An arrangement comprising a magnetic body (12) having a hole portion (11) for passage of a primary-side first induction line (2), a primary-side second induction line (5) for electrically feeding a load in a contactless manner, an added line (17) passing t...

A cable for use in a high-frequency current feeding equipment constituted by passing an inner bundle (A) of wires (2) disposed at the same distance from the center of a multiconductor cable (1) and outer bundles (B and C) of wires (3) through a ferrite (5)...