A handheld device may include a magnetic convection cooling system, which may include a fluid chamber that is in thermal communication with electronic circuitry of the handheld device. The fluid chamber may be closed and may contain a substantially non-gaseous first fluid and a substantially non-gaseous second fluid, wherein first fluid may include a magnetic property different from a magnetic property of second fluid. At least one electromagnet may be selectively activated to move the first and second fluids within the fluid chamber to provide convective cooling of the electronic circuitry.

The invention discloses instantaneous cooler/freezer using orbital shake method. The instantaneous cooler/freezer using orbital shake method includes a cooling liquid, a flow pump, a reserve tank, a plate heat exchanger, a liquid entrance hole, a cooling chamber, an exit hole, a cooling gas entrance, a gas exit hole, a plurality of cooling liquid distribution channels, an expandable envelope with pockets, a valve, a flat inner cover, a cooling chamber cover having led lights placed at sides for each bottle to inform a user in case of a problem, a rakor, a plurality of conical springs, a laser thermometer, a reduced motor, an eccentric bearing, is used to enables the cooling chamber to be in orbital shake motion, a plurality of roller ball bearings, a plurality of horizontal guide bearings. The instantaneous cooler/freezer using orbital shake method specifically build for packaged beverages, food, and similarly all packaged objects.

There is provided in a first form of an illustrative embodiment a method. The method includes providing a quantity of carbon dioxide in gaseous form within an interior volume of an vessel and contacting the carbon dioxide gas with a heat exchanger disposed within the interior volume of the vessel. The vessel is exposed to solar radiation, wherein the carbon dioxide absorbs radiation in one or more vibration bands of the carbon dioxide, the absorbed radiation obtained from the solar radiation. Heat within the first quantity of carbon dioxide produced by collisional thermalization of the absorbed radiation is transferred, via the heat exchanger, to a heat transfer medium within the heat exchanger and in fluid communication with an external environment of the vessel.

A fluid mixing device includes a hollow tubular main body (41) to mix an exhaust gas (G4) and a warming gas (G5) within it, a first inflow port (43) provided in an upstream end portion of the main body (41) and through which the exhaust gas (G4) flows, a mixing promotion body (38) of a tubular shape disposed inside the main body (41) and having a longitudinal axis (C1) extending in a direction conforming to a direction of flow of the exhaust gas (G4), and a second inflow port (45) provided in a peripheral wall of the main body (41) and through which the warming gas (G5) flows towards an outer peripheral wall of the mixing promotion body (38). The exhaust gas (G4) flows outside and inside the mixing promotion body (38).

A machine for making liquid or semi-liquid products, including a first container adapted to contain a basic mixture, having an inside surface and an outside surface and equipped with a stirrer disposed inside the first container; a thermodynamic system comprising a circuit for circulating a heat exchanger fluid and a first heat exchanger associated, in use, with walls of the first container, the first heat exchanger is defined by at least one element which is fixable, in use, to the outside surface of the first container, having an open cavity, extending uninterruptedly and defining, when coupled with the outside surface, a channel for circulating heat exchanger fluid, the element also having at least one inlet and one outlet for the heat exchanger fluid.

The present disclosure relates to a water purifier. A water purifier according to an aspect includes a coolant tank in which a coolant is stored, a cold water pipe accommodated in the coolant tank, an evaporator accommodated in the coolant tank, a stirring member placed inside the coolant tank to stir the coolant, and a partition member accommodated inside the coolant tank to partition an inner space of the coolant tank into a first space and a second space, wherein the evaporator is located in the first space, and the cold water pipe is located in the second space.

The utility model discloses a novel phase change heat storage device, comprising a housing, wherein the housing is internally provided with a lining; an insulating layer is disposed between the lining and the housing; the lining is internally filled in with a phase change material; a coiled pipe is embedded in the phase change material; the inlet and outlet of the coiled pipe both extend out of the lining and are respectively welded with and communicate with a main water inflow pipe and a main water outflow pipe, so all welds between the coiled pipe and the main water inflow pipe and main water outflow pipe are positioned outside the lining and are not soaked by the phase change material. The lining is provided with at least one partition board; the partition board divides the inner space of the lining into independent spaces such that the phase change material is respectively positioned in the independent spaces divided by the partition board. Compared with the prior art, the utility model has a simple and novel structure design, solves the defects of existing phase change heat storage devices, greatly improves the heat exchange effect of the phase change heat storage device, reduces the production cost of the device, and prolongs the service life of the device.

The present invention relates generally to the rotary high density heat exchangers. In one embodiment, the present invention relates to rotary high density heat exchangers that contain one or more fan blades where each fan blade contains heat exchanging surfaces on the surface thereof.

According to the present specification there is provided a rotatable heat sink device which comprises a heat sink configured to enclose a cooling fluid, and the heat sink is rotatable about a rotational axis. The heat sink, in turn, comprises a first portion configured to receive thermal energy from a source external to the heat sink, and a second portion configured to dissipate at least a portion of the thermal energy to surroundings external to the device. The device further comprises an optical wavelength conversion material disposed on an outside surface of the first portion of the heat sink, and an agitator disposed inside the heat sink. The agitator is rotationally independent of the heat sink and is configured to promote circulation of the cooling fluid between the first portion and the second portion.

The heat storage apparatus of the present disclosure includes a casing, a heat storage material that is located in the casing, a stirrer that is located in the casing, that is in contact with the heat storage material, and that rotates to stir the heat storage material, and a projection that is in contact with the heat storage material, that projects from the stirrer, and that rotates with rotation of the stirrer. The projection is continuously in contact with an inner face of the casing while the stirrer rotates.