H05K7/20936

Road vehicle with electric drive and power wiring cooling
11230193 · 2022-01-25 · ·

A road vehicle with an electric drive comprising: at least one pair of drive wheels; a reversible electric machine, which can be connected to the drive wheels; an electronic power converter, which controls the electric machine; an electric energy storage system, which is connected to the electronic power converter; first power wirings comprising at least two first electric wires, which connect the electric machine to the electronic power converter; and second power wirings comprising at least two second electric wires, which connect the electronic power converter to the storage system; and a cooling system, which is thermally coupled to at least one power wiring in order to remove heat from the power wiring.

HEAT TRANSFER MEDIUM AND HEAT TRANSFER SYSTEM

A heat transfer medium is used for a heat transfer system including a refrigerant cycle device through which a refrigerant circulates and a heat transfer medium circuit having an electric device. The medium includes an anhydrous liquid that does not contain water and is made of a substance having a polarity less than water. The anhydrous liquid is cooled by heat exchange with the refrigerant and absorbs heat from the electric device while circulating through the heat transfer medium circuit. Accordingly, the low viscosity of the heat transfer medium at a low temperature can be secured. Further, by using an anhydrous liquid without water as the heat transfer medium, it is possible to suppress an increase in an electrical conductivity of the heat transfer medium over time.

COOLING DEVICE

A cooling device for heat dissipation from an electronic component includes a heating tube having a heating tube surface, a cooling element having a first cooling element side formed with a slot recess which at least partially encloses the heating tube, and a fiber structure made of fibers and arranged on the heating tube surface in a region in which the heating tube is at least partially enclosed by the slot recess. The fibers on the heating tube surface of the heating tube in the region of the slot recess form a mechanical connection with a cooling element surface of the cooling element.

POWER CONVERTER, HEAT EXCHANGER, HEAT SINK, AND PHOTOVOLTAIC POWER GENERATION SYSTEM

A power converter, heat exchangers, heat sinks, and a photovoltaic power generation system, related to the field of heat dissipation. The power converter includes: a power semiconductor device, a magnetic element, a sealed cavity, and a heat dissipation cavity. The power semiconductor device and the magnetic element are disposed in the sealed cavity. The power semiconductor device dissipates heat through a first heat sink, and cooling fins of the first heat sink are located in the heat dissipation cavity. The magnetic element dissipates heat through a second heat sink, and cooling fins of the second heat sink are located in the heat dissipation cavity, Accordingly, reliability and heat dissipation effect of heat dissipation performed by the power converter are improved.

POWER MODULE

A power module has a semiconductor module and a cooling device. The cooling device has a cooling unit provided in the semiconductor module so as to be capable of conducting heat, a supply pipe configured to supply refrigerant to an interior of the cooling unit, and a discharge pipe configured to discharge the refrigerant that is flowed inside the cooling unit. The semiconductor module and the cooling unit are arranged in a z-direction. The supply pipe and the discharge pipe are spaced apart in a x-direction. Each of the supply pipe and the discharge pipe faces the semiconductor module in a y-direction.

COOLANT DISTRIBUTION MODULE FOR ELECTRIFIED VEHICLE
20230323966 · 2023-10-12 ·

This disclosure details a coolant distribution module as used in a thermal management systems for thermally managing electrified vehicle components. An exemplary coolant distribution module includes a module body including a plurality of inlet ports and a plurality of outlet ports, a first manifold valve encompassed within the module body, and a second manifold valve encompassed within the module body. The first manifold valve includes a plurality of first valve inputs wherein each first valve input is in communication with at least one inlet port of the plurality of inlet ports, and a plurality of first valve outputs wherein each first valve output is in communication with at least one outlet port of the plurality of outlet ports. The second manifold valve includes a plurality of second valve inputs wherein each second valve input is in communication with at least one inlet port of the plurality of inlet ports, and a plurality of second valve outputs wherein each second valve output is in communication with at least one outlet port of the plurality of outlet ports.

AUXILIARY STATION COOLING UNIT FOR DC FASTER CHARGE
20230322106 · 2023-10-12 ·

A charging station for a vehicle, a system and a method of charging the vehicle. The system includes a heat exchanger at the vehicle. The charging station includes a reservoir including a charging station coolant, a dispenser unit configured to circulate the charging station coolant from the reservoir through the vehicle to absorb heat generated at the vehicle, and a cooling unit for cooling the charging station coolant from the reservoir. Heat generated during the charging of the vehicle is transferred into a vehicle coolant circulating within the vehicle. The heat is transferred from the vehicle coolant to a charging station coolant. The charging station coolant is flowed out of the vehicle.

COMBINED LIQUID AND AIR COOLED POWER ELECTRONICS ASSEMBLY

A power electronics assembly includes one or more power electronics devices, and a heat exchanger to which the one or more power electronics devices are mounted. The heat exchanger includes a heat exchanger body, and one or more fluid pathways extending through the heat exchanger body, the heat exchanger configured to transfer thermal energy from the one or more power electronics devices into a flow of fluid passing through the one or more fluid pathways. A plurality of fins extend from an outer surface of the heat exchanger body. The flow of fluid is a flow of liquid refrigerant diverted from a condenser of a heating, ventilation, and air conditioning (HVAC) system.

POWER CONTROL APPARATUS
20230292475 · 2023-09-14 · ·

A power control apparatus has a plurality of switch units, a cooling unit, and an electronic control circuit. The electronic control circuit is configured to perform: measuring temperatures of each of the plurality of switch units; comparing the temperatures of each of the plurality of switch units measured in the measuring step; and determining whether a temperature difference between any two of the plurality of switch units is greater than or equal to a threshold value based on information from the comparing step.

MECHANICALLY EXPANDED MICROFIN TUBE LIQUID COOLED HEAT SINK

A method of forming a power electronics assembly includes forming a plurality of pathway openings in a heat exchanger body and inserting a tubular member in each pathway opening of the plurality of pathway openings. The tubular member includes a plurality of internal surface enhancements. An interference fit is defined between the tubular members and the heat exchanger body via one or more of mechanical or thermal expansion to define a plurality of fluid pathways in the heat exchanger. One or more power electronics devices are installed to the heat exchanger body.