A wireless charging device according to one implementation embodiment comprises a flow path arranged inside a magnetic unit or at an adjacent portion, and has cooling fluid flowing into the flow path so as to come in contact with the magnetic unit, and thus the heat generated during wireless charging can be readily discharged. Therefore, the wireless charging device can be effectively useful for a moving means such as an electric vehicle that requires high-capacity power transmission between a transmitter and a receiver.

A transformer includes a tank with an insulating fluid, a radiator for cooling the insulating fluid, and one or more sensors arranged to measure insulating fluid properties in a location where the insulating fluid has a lower temperature.

A transformer includes a tank with an insulating fluid, a radiator for cooling the insulating fluid, and one or more sensors arranged to measure insulating fluid properties in a location where the insulating fluid has a lower temperature.

A high power-density power converter (500) employs a liquid cooling system (200) to cool its transformers (120). In an embodiment, the coils (135) of a transformer (100) are embedded in a heat-conducting solid (epoxy or resin). The resin-embedded coils (135) are in physical/thermal contact with cold plates (160), which are sandwiched between the coils (135) and/or in contact with exterior surfaces of the coils (135). The cold plates (160) may additionally or alternatively be in physical/thermal contact with the transformer core (145). Coolant fluid is pumped through the cold plates (160). In another embodiment, the transformer is (120) is immersed in a coolant fluid (740), such as oil, within a heat management enclosure (710). Cold plates (160) are in physical/thermal contact with the enclosure (710). Coolant liquid (240) pumped through the cold plates (160) conducts heat away from the oil-enclosed transformer (700).

A thermal management includes an inductor, a housing in thermal communication with the inductor, the housing defining a wall, and a conductor. The conductor has greater thermal conductivity than the wall and is positioned within a groove and/or an aperture formed in the wall. The conductor is configured to conduct heat through the wall more efficiently than if the conductor were not present. A method of manufacturing a thermal management system includes forming a housing by additive manufacturing. The housing defines a wall having at least one of a groove and an aperture defined therein. The method includes positioning a conductor in at least one of the groove and the aperture. The conductor has a greater thermal conductivity than the wall. The method includes positioning an inductor into thermal communication with the housing.

A thermal management includes an inductor, a housing in thermal communication with the inductor, the housing defining a wall, and a conductor. The conductor has greater thermal conductivity than the wall and is positioned within a groove and/or an aperture formed in the wall. The conductor is configured to conduct heat through the wall more efficiently than if the conductor were not present. A method of manufacturing a thermal management system includes forming a housing by additive manufacturing. The housing defines a wall having at least one of a groove and an aperture defined therein. The method includes positioning a conductor in at least one of the groove and the aperture. The conductor has a greater thermal conductivity than the wall. The method includes positioning an inductor into thermal communication with the housing.

A magnet having an annular coolant fluid passage is generally described. Various examples provide a magnet including a first magnet and a second magnet disposed around an ion beam coupler with an aperture there through. The first and second magnets each including a metal core having a cavity therein, one or more conductive wire wraps disposed around the metal core, and an annular core element configured to be inserted into the cavity, wherein an annular coolant fluid passage is formed between the cavity and the annular core element. Furthermore, the annular core element may have a first diameter and a middle section having a second diameter, the second diameter being less than the first diameter. Other embodiments are disclosed and claimed.

An apparatus is provided for mechanically loading a biological sample. The apparatus comprises: a container for housing the biological sample; a ferromagnetic element, for attachment to the biological sample within the container; and a solenoid for generating a magnetic field within the container, so as to apply a force to the ferromagnetic element. The solenoid is configured, when energised by a constant current, to produce a force on the ferromagnetic element that varies by less than a predetermined amount over a predetermined range of movement of the magnet within the container. A method of mechanically loading a biological sample is also disclosed.

Provided is a static electric induction arrangement including: a static electric induction device arranged in a static electric induction device tank; an accessory tank including at least one opening configured to receive an accessory therein; the static electric induction device tank and the accessory tank are intended to be filled with dielectric fluid and are connected via a fluid connection, an upper portion of a cross section of the fluid connection, is located at a first height, the arrangement comprises a heat exchanger connected to the device tank, the device tank includes an outlet that is arranged to lead the dielectric fluid to the heat exchanger and an inlet that is arranged to return the dielectric fluid from the heat exchanger.

A reactor cooling structure includes: a plurality of reactors that are stacked on one another, each reactor including a coil configured to produce magnetic flux when energized; and a cooling mechanism that cools the plurality of reactors, wherein each of the reactors has an exterior member that has: heat radiation surfaces respectively on both sides of the corresponding one of the reactors in a stacking direction of the stacked reactors i.e. a first direction, the heat radiation surfaces of the exterior member of each of the reactors being arranged to cool the coil of the corresponding one of the reactors; the cooling mechanism includes a cooling flow path for directly cooling the first and second heat radiation surfaces of the exterior member of each of the reactors by a refrigerant.