The disclosed technology relates to a cable configured for high current applications. The cable includes a conducting member having a conductor surrounded by an insulating layer, and a cooling conduit having a tubular portion and a coolant. The coolant is configured to flow within the tubular portion to cool the conductor. The conducting member is spiral wound around the cooling conduit along a length of the cooling conduit to increase a contact area between the conducting member and the cooling conduit to thereby improve a transfer of heat from the conducting member to the cooling conduit.

A charging cable for transmitting electric energy has a non-metallic sheathed cable and includes at least four electric conductor cables (a1, a2, b1, b2, pe) provided in the non-metallic sheathed cable. A first electric conductor cable and a second electric conductor cable are both assigned to a first voltage potential. A third electric conductor cable and a fourth electric conductor cable are both assigned to a second voltage potential.

A wire harness unit including: a plurality of conductive paths for conducting electricity between in-vehicle devices; and a cooling tube through which a coolant is able to flow for cooling the plurality of conductive paths, wherein: the plurality of conductive paths include a first conductive path and a second conductive path parallel with the first conductive path, the first conductive path includes a first tubular conductor that is conductive and hollow, the second conductive path includes a second tubular conductor that is conductive and hollow, and each of the first tubular conductor and the second tubular conductor includes a first end and a second end that is on an opposite side to the first end.

A system and method for heavy-current charging cables for charging an electric vehicles includes a central heavy-current wire extending in a longitudinal direction, a plurality of heavy-current power wires comprising a power conductor and a power wire insulation surrounding said power conductor, the heavy-current power wires extending parallel to the central wire, a liquid tight inner hose extending in the longitudinal direction and surrounding the heavy-current central wire and the heavy-current power wires thereby defining a first hollow area comprising liquid coolant to flow between the heavy-current central wire and the heavy-current power wires along the longitudinal direction, and a liquid tight outer hose extending in the longitudinal direction and surrounding the inner hose thereby defining a second hollow area comprising liquid coolant to flow between the inner hose and the outer hose along the longitudinal direction.

A charging cable includes a ground conductor and extending in a longitudinal direction, at least two heavy-current power wires for conducting positive and negative direct current, each comprising a power conductor and insulation, the heavy-current power wires extending parallel to the ground wire, a liquid tight inner sheath extending in the longitudinal direction and surrounding the heavy-current power wires to define a first hollow area between and around the heavy-current power wires, liquid coolant being provided between the heavy-current power wires along the longitudinal direction, wherein the liquid tight inner sheath comprises a second hollow area extending in the longitudinal direction, arranged adjacent to at least one of the heavy-current power wires and comprising liquid coolant to flow within the second hollow area, and a liquid tight outer sheath extending in the longitudinal direction and surrounding the inner sheath and the ground heavy-current wire.

The present disclosure relates to an electric vehicle charging cable capable of effectively cooling heat, which is generated therein during charging of an electric vehicle, using a cooling fluid, preventing damage to internal components thereof due to heat, and minimizing a diameter of the cable.

A liquid cooled charging cable system may be provided. The liquid cooled charging cable system may comprise a source, a load, a liquid cooled charging cable, and a cooling device. The liquid cooled charging cable may connect the source to the load, and may supply electric energy from the source to the load. The liquid cooled charging cable may comprise a supply conductor and a return conductor. The cooling device may pump a coolant around the supply conductor and the return conductor where the supply conductor and the return conductor may be immersed in the coolant.

The invention relates to a connection element for electrically connecting an individual line which has a concentric conductor arrangement (32) and a central passage (33) for a cooling fluid. The connection element comprises an electrically conductive housing (2) with a sleeve-shaped pressing portion which is suitable for producing a press connection to the concentric conductor arrangement (32). The electrically conductive housing (2) here has an internal cooling passage (10) with a connection opening (11) for an external cooling line, said cooling passage leading into a space surrounded by the sleeve-shaped pressing portion. In addition, the connection element comprises a counterpressure element (3) which can at least partially lie in the space surrounded by the sleeve-shaped pressing portion. The counterpressure element (3) is furthermore configured to support the concentric conductor arrangement (32) on the inner side thereof when the sleeve-shaped pressing portion is compressed during the production of a press connection. The invention furthermore relates to a fluid-coolable individual line unit and to a charging cable having a charging connector.

A flat electrical cable comprises a conductive core having a core sheath and a cooling channel having a cooling channel sheath. The cooling channel and the core extend mutually parallel to one another along a length of the cable and are integrally joined to one another by a web extending along the core and the cooling channel.

A motor vehicle charging cable for DC voltage charging of an electrical energy store of a motor vehicle has a cable sheath that encloses conductors, such as first and second cooling-fluid-cooled electrical conductor for first and second DC voltage phases, a ground conductor or equipotential bonding conductor and/or at least one control conductor. Shaped elements are arranged between the cable sheath and the conductors at positions of the motor vehicle charging cable that are fixed in mounts. The shaped elements guide, clamp and restrict a relative movement between the conductors. The cable sheath restricts a relative movement between the conductors between those positions at which the motor vehicle charging cable is fixed in mounts.