H01B7/423

NON-FLUID COOLED ELECTRIC VEHICLE FAST-CHARGE CABLE
20220242260 · 2022-08-04 ·

A non-fluid cooled fast-charge electric vehicle (EV) cable includes a pair of cabled insulated conductors, a binder, a thermal layer of a synthetic porous material having extremely low density and extremely low thermal conductivity in a blanket, with a fiberglass cover and a jacket.

Evaluation method

An evaluation method is for evaluating a charging connector in coolability by connecting an evaluation jig to the charging connector, the charging connector including a pair of male terminals and a bottom wall, the evaluation jig including a pair of female terminals, the pair of female terminals being connected to the pair of male terminals in evaluating the charging connector in coolability. The method comprises: connecting the pair of female terminals to the pair of male terminals; and adjusting a connection state of the terminals so that contact resistance between the terminals falls within a prescribed range. In the step of adjusting, a resistance between a point of 4.5 mm of the male terminal from a surface of the bottom wall and a point of 43 mm of the female terminal from the surface of the bottom wall is measured as the contact resistance.

CONDUCTOR SYSTEMS FOR SUSPENDED OR UNDERGROUND TRANSMISSION LINES

A conductor assembly for transmitting power includes a former that defines a shape, a superconductor material disposed around the former, and a thermally insulating jacket (TIJ) disposed around and spaced apart from the superconductor material. An outer surface of the superconductor material and an inner surface of the TIJ can define an annulus through which a coolant can flow. The conductor assembly can also include an external layer, disposed around an outside surface of the TIJ, to provide structural support to the conductor assembly. The conductor assembly can also include an electrical insulation layer disposed around the outside surface of the TIJ or around the superconductor material.

Electric vehicle onboard charging cable cooling
11380460 · 2022-07-05 · ·

A heat exchanger for use in a vehicle powered by a battery comprises an inner tube having an onboard charging cable associated with a charging of the battery disposed therein and an outer tube surrounding the inner tube. A refrigerant configured to cool the onboard charging cable flows through a flow path formed between the inner tube and the outer tube. A first connector is coupled to a first end of the outer tube. The first connector is in fluid communication with the flow path formed between the inner tube and the outer tube and further includes an opening for receiving a portion of the inner tube. The inner tube is securely coupled to the first connector at a joint therebetween to establish a position of the inner tube relative to the outer tube.

Systems and methods for cooling of superconducting power transmission lines

A cooling system includes a coolant transmitter that transmits coolant at a pressure greater than atmospheric pressure. The cooling system also includes an evaporation vessel at atmospheric pressure. The evaporation vessel can contain an amount of coolant at the boiling point of the coolant. The cooling system also includes a pressure reducer fluidically coupled to the coolant transmitter and the evaporation vessel. The pressure reducer can include an orifice. The cooling system is configured such that heat is transferred from the coolant in the coolant transmitter to the coolant contained in the evaporation vessel. An exit stream conduit can fluidically couple the coolant transmitter and the pressure reducer, with the exit stream conduit diverting a portion of the coolant from the coolant transmitter to the evaporation vessel.

DEVICE FOR THE INDUCTIVE HEATING OF A WORKPIECE IN A ROLLING MILL
20220086962 · 2022-03-17 ·

A device (1) for inductive heating of a workpiece (2) in a rolling mill, the device (1) including: a converter (3) for creating an alternating voltage, a capacitor bank (6) electrically connected to the converter (3), and having a plurality of capacitors (7) connected in parallel, a working field (8), in which an upper coil (10) and a lower coil (11) are arranged. The workpiece (2) is able to be passed between the coils (10, 11) and is thereby inductively heated by cross-field heating. A housing (4) arranged next to, below or above the working field (8). The converter (3) and capacitor bank (6) are arranged in the housing (4). The coils (10, 11) are each electrically connected to the capacitor bank (6) by a flexible cable (12, 13). The cable (12, 13) is a coaxial cable (27), with one phase of the alternating voltage applied to an inner conductor (28) and the other phase of the alternating voltage applied to an outer conductor (29) of the coaxial cable (27). The cables (12, 13) are cooled by a fluid, such as air or water (21).

Charging Harness Unit for a Battery of a Motor Vehicle
20210300193 · 2021-09-30 ·

A charging harness unit for a battery of a motor vehicle includes a charging harness which has at least one lead and respective ends, one end being on the battery side and and the other end being for connecting to a vehicle-external charging station. A cooling channel through which a coolant can flow is arranged in the charging harness. The cooling channel can be supplied with the coolant via a cooling device arranged on the vehicle side.

A WATER-COOLED ELECTRIC CABLE AND RELATIVE MANUFACTURING METHOD
20210151219 · 2021-05-20 ·

A water-cooled electric cable comprises a plurality of copper ropes wound on an inner support tube, electric terminals at the ends constrained to the ropes, an outer tube fixed in a sealed way and a plurality of sheaths), one for each rope, which are extrusion cast in plastic or rubber material on each copper rope and subsequently pierced.

LEAK DETECTION IN A CABLE ASSEMBLY

A cable assembly includes a cable having a first end and a second end. The cable has an electric conductor and a cooling conduit, each of which extends from the first end to the second end. The cooling conduit is adapted to convey a fluid that cools the electric conductor. The cable assembly includes a leak detection module to detect a leak of the fluid from the cooling conduit. The leak detection module includes a power source to generate an input voltage signal which is applied at a first node contact with the fluid. The leak detection module includes a controller to monitor an output voltage signal at the first node and to detect a leak of the fluid from the cooling conduit based on the output voltage signal.

ELECTRIC VEHICLE CHARGING CABLE
20210050127 · 2021-02-18 ·

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.