52results about How to "Efficient thermal energy" patented technology

A sunlight collecting system and a solar energy utilization system which collects sunlight with the sunlight collecting system are provided, a sunlight collecting system including a solar heat collector which includes a heat collecting element which is formed by a helically wound heat exchange medium circulation pipe inside which the heat exchange medium flows, in such a way to have an incurved light receiving surface which narrows and converges towards the sunlight inlet and a sunlight collecting reflector which includes a reflector group which includes a plurality of reflector segments each of which includes a reflecting surface which makes sunlight converge on a heat collector, a sunlight collecting system in which a plurality of heliostats Bm are arranged in places which are irradiated by the sunlight between a plurality of heliostats An, in which each of the heliostats An and the heliostats Bm reflect light in a direction to a light collecting point of a heliostat group in which the heliostat is included.

An acoustical and thermal insulator in the form of a multilayer composite includes a first facing layer such as a heat reflective material layer, a polymer based blanket layer and an insulation insert encapsulated in the polymer based blanket layer. The insulator may also include a second facing layer. The insulation insert is sized and positioned in the insulator so as to provide extra thermal insulation at selected hot spots and/or extra acoustical insulation at high noise points of a vehicle to which the insulator may be mounted.

In an energy storage and recovery system, working fluid from a first vessel is compressed by power machinery and passes, via a regenerator, into a second vessel, where it is forced to condense, the temperature and pressure of the saturated working liquid/vapour mixture continuously rising during storage. The stored energy is recovered by the vapour returning through the regenerator and power machinery where it expands to produce work before condensing back into the first vessel. The regenerator comprises a gas permeable, solid thermal storage medium which, during storage, stores superheat and some latent heat from the vapour passing through it in respective downstream regions that exhibit continuously increasing temperature profiles during storage and a small temperature difference with the surrounding vapour, thereby minimising irreversible losses during the thermal energy transfers.

The present invention provides a frit containing substantially no lead, which is applicable to a member having α of at most 50×10^<7/° C.

A frit comprising a low-melting point glass powder and a refractory filler powder, containing substantially no lead, having a thermal expansion coefficient of at most 50×10⁻⁷/° C., and being processable at 500° C. or lower, wherein the above low-melting point glass powder satisfies a softening pour point range of at least 30° C., and the above refractory filler powder satisfies the following relationship:

1<S×ρ<10

• S: specific surface area (m²/g)
• ρ: density (g/cm³)

A thermal management system includes an air duct assembly comprising a supply air duct having an air inlet opening, a return air duct having an air exit opening and a plurality of distribution air ducts configured to be in fluid communication with the air inlet opening of the supply air duct and with the air exit opening of the return air duct. A fan is disposed within the air duct assembly to direct air from the air inlet opening of the supply air duct through the supply air duct and out the air exit opening of the return air duct. The fan and supply duct are disposed to direct air over a first surface of a heat sink. A second opposing surface of the heat sink is disposed over and configured to be in thermal contact with a plurality of active circuits disposed on a first surface of a radio frequency (RF) multi-layer printing wiring board (PWB).

A filter press (11) defined by a closable stack of filter plates defined by a first plurality of membrane filter plates (21) alternately disposed with a second plurality of heating-type filter plates (22). The membrane plates (21) have chamber-defining recesses on opposite sides thereof, with each recess (36) having a flexible membrane (39) associated therewith which can be pressurized from the rearward side so as to effect squeezing of the cake in the filtration chamber. Each heating plate (22) also has chamber-defining recesses (74) on opposite sides thereof, and the main center bottom wall (76) of each recess (74) has a metal heat transfer surface (77) associated therewith, the rear side of which is in intimate contact with a chamber or passage (79) which receives therein a high-temperature heat transfer fluid.

A closed-loop heat exchange system and related methods for harnessing subterranean heat energy from a subterranean zone having a passive heat transfer device with multiple operational modes for targeting hotspots within the subterranean zone and adjusting the rate of energy harnessed according to consumption demands. The system can also have at least one enhanced surface section for increasing the heat exchange efficiency and/or a variable pump for controlling the rate at which the working fluid travels through the passive heat transfer device.

An electric power supply method and apparatus using thermoelectric conversion include an electric power supply apparatus that converts thermal energy, which is generated from a plurality of thermal sources of a device when the device operates using electric power stored in a first power source unit that supplies external power to the device, into electricity; stores the obtained electricity in a second power source unit; and supplies the stored electricity to the device. Accordingly, it is possible to recycle thermal energy generated when the device operates, thereby minimizing consumption of electric power in the device.

A rapid start reactor is provided that can be used, for example, in a water gas shift reactor of a fuel processor. A reactor has a catalyst support structure with one or more surfaces overlaid with an active coating that includes a catalyst. The active coating heats upon exposure to a non-thermal energy source. The reactor also includes a generator of non-thermal energy for applying non-thermal energy to the active coating. Methods for operating such a reactor during transient and/or start-up conditions are also provided.

Described is a method as well as a plant for the simultaneous production of electricity and cement clinker by which method cement raw meal is calcined in a calciner (4) subject to simultaneous supply of fuel and combustion air and subsequently burned into cement clinker in a kiln (5), and where some of the heat contained in the exhaust gases from the calciner (4) is utilized to generate electricity by means of a boiler section (18). The method and plant are peculiar in that the combustion air supplied to the calciner (4) does not contain alkali or chloride, and in that the temperature of the exhaust gases used to generate electricity is at least 500° C.

Coating formations formed on the boiler tubes due to the condensation of alkali and chloride vapours can be avoided, while, at the same time, the efficiency with which thermal energy can be converted into electrical energy can be increased.

An optoelectronic arrangement having a surface-mountable semiconductor module having at least one optoelectronic transmitting and/or receiving unit, a housing, in which the optoelectronic transmitting and/or receiving unit is arranged, and a mounting side of the housing, which, in the case of surface mounting of the semiconductor module on a printed circuit board, faces the printed circuit board. The arrangement furthermore has a cooling element, which is thermally coupled to the semiconductor module for the purpose of cooling the optoelectronic transmitting and/or receiving unit. The cooling element is arranged on a side of the housing that is remote from the mounting side.

A cogeneration system is provided which includes a prime mover for obtaining power for driving a generator by combustion of a fuel, a waste heat boiler for recovering thermal energy from exhaust gas discharged from the prime mover, and a heat exchanger for heating air that is to be fed into an air conditioner by heat exchange with the exhaust gas discharged from the waste heat boiler. Drain water that is generated from the exhaust gas cooled by heat exchange in the air-heating heat exchanger (5) with the air that is to be fed into the air conditioner (30) is recovered by drain water recovery/supply means (36). The drain water recovery/supply means (36) supplies the drain water thus recovered to appliances (37, 38) that require comparatively high temperature water. Thermal energy can thus be recovered effectively from the drain water discharged from the heat exchanger on the downstream side of the waste heat boiler, thereby improving the efficiency of recovery of waste heat energy.

The invention discloses a rare earth iron-doped transparent oxygen fluorine germanate microcrystalline glass and a preparation method thereof. The transparent microcrystalline glass comprises the following components by mole percentage: 38-60 percent of GeO2, 4-26 percent of Al2O3, 0-8 percent of Ga2O3, 15-40 percent of CaF2, 0-12 percent of MF, 0-6 percent of ErF3, 0-8 percent of YbF3 and 0-4 percent of PrF3, wherein M is one or more of Li+, Na+ and K+. The preparation method comprises the steps of pouring by melting method to obtain matrix glass and carrying out special thermal treatment on the matrix glass to obtain the microcrystalline glass containing CaF2 crystalline phase in nanometer level. The transparent oxygen fluorine germinate microcrystalline glass is environment-friendly, has stable physicochemical property and does not contain toxic Pb element, and has high transparency from visible area to near-infrared and intermediate infrared areas and excellent active optics property. The invention can be used in the field of optical communication, display, storage, and the like.

There is provided a refrigerator. The refrigerator includes a compressor for compressing a refrigerant, a condenser for heat-exchanging the compressed refrigerant with ambient air, an expansion member for expanding the heat-exchanged refrigerant, a condensing pipe interconnecting the condenser and the expansion member, a vaporizer for heat-exchanging the expanded refrigerant with a cooling air in a freezing or cooling chamber, and a suction pipe interconnecting the vaporizer and the compressor and associated with the condensing pipe to allow a heat exchange between the suction pipe and the condensing pipe.

A thermal energy storage and recovery device includes a heat exchanger arrangement for guiding a flow of a heat transfer medium between first and second ends thereof, and a heat storage material surrounding it, forming thermal interaction region between the heat transfer medium and the heat storage material. The heat exchanger arrangement transports the heat transfer medium from the first end to the second end when the heat storage material receives thermal energy from the heat transfer medium, and transports the heat transfer medium from the second end to the first end when the heat storage material releases thermal energy to the heat transfer medium. A controller operates the device such that that when storing or recovering thermal energy to or from the heat transfer medium within the device there exists a region where the inlet and outlet temperature of the heat transfer medium of this region is kept constant.

The present invention relates to a fluid cooling system (1), for use in dispensing or distributing a chilled or cooled fluid, comprising a primary heat exchanger system (2), a secondary heat exchanger system (3), a first conduit (9) through which fluid to be cooled or chilled is circulated, and a heat transfer agent (8) for transferring cooling energy to the fluid to be chilled circulating in the first conduit (9), wherein the primary and secondary heat exchanger systems (2, 3) are arranged at least partially one inside of another The invention also relates to cooled fluid dispensers incorporating the fluid cooling system and a methods for sterilization thereof.

A distillation apparatus includes a separator, a cooler, a heater, and a heat collection circuit. The heat collection circuit includes a circulation channel, a compressor, an expanding mechanism, a storing section capable of storing a working medium in a liquid state, and a circulation-amount adjusting section that adjusts a circulation amount of the working medium. The circulation-amount adjusting section adjusts an outflow amount of the working medium, which is stored in the storing section, to the circulation channel or an inflow amount of the working medium, which is circulating in the circulation channel, to the storing section such that the circulation amount increases or decreases according to an increase or a decrease in a flow rate of the first output fluid.

[Object] The present invention is objected to polish the surface of the object material with a high quality at a high polishing rate.

[Solution] The object surface is polished using a wet polishing method. Slurry is produced by scattering abrasive particles into pure water. In the abrasive particle, where components which has a mechanochemical effect and which reacts to the friction heat generated in polishing the object material are joined with each other and integrated to a particle. There, respective component is joined with each other using a mechanical alloying process, while maintaining the inherent material properties. When the slurry is used in a lapping process of sapphire, silicon carbide, gallium nitride and the like, the polishing process can be substantially shortened and the processing cost is drastically reduced. Further, it secures a high quality of the polishing surface. The abrasive particle can be used repeatedly in the polishing process. Since the pH value of the slurry is around 3 to 9, it does not deteriorate working environment and the liquid-waste treatment is easy.

The invention relates to a multi-well communication and circulating heating type deep subterranean heat extraction device. The device is characterized in that a plurality of deep wells with depth more than 3000m are drilled in the area with higher crust temperature, the bottoms of the wells are mutually communicated, and water purified by a purifier is injected and supplemented into the deep wells through pumps and valves; after the water is heated in the high-temperature area with the multiple deep wells, the water is lifted to the near ground from one well in the high-temperature and high-pressure type through a motor pump or a steam turbine pump, the hot water or the steam gasified by a gasifier is generated on the near ground and is supplied to a heater or a steam turbine generator, the steam turbine pump runs by the self steam, the water and gas after heat production are treated in a way similar to a power plant and a heating plant, and then are conveyed into the wells for circulating heating, and the hot water which is not gasified by the gasifier is also conveyed into the wells for circulating heating.