225 results about "Effects heat" patented technology

A hard disk system having a disk housing shock mounted in an environmental housing employs a device to transfer heat from the disk housing while avoiding any mechanical connection that would impose significant rigidity between the disk housing and the environment housing so as to defeat the shock mounting. In one embodiment, a Peltier effect heat pump has a cold side in contact with the disk housing and a hot side in contact with heat-conducting spring fingers contacting the environmental housing. In another embodiment, a fan is positioned in a space between the outside of the disk housing and the inside of the environmental housing to circulate air around the disk housing, while a Peltier effect heat pump moves heat to the environmental housing. In yet another embodiment, the fan is positioned in the space between the disk housing and the environmental housing, and the Peltier effect heat pump has a cold side in contact with an exterior surface of the environmental housing and a hot side in contact with a heat sink. In still another embodiment, a flexible heat pipe comprising a shell containing a low vapor-point liquid is positioned in the space between the outside of the disk housing and the inside of the environmental housing with respective ends in contact with each of the housings.

Various embodiments of a semiconductor-on-insulator substrate incorporating a Peltier effect heat transfer device and methods of fabricating the same are provided. In one aspect, a circuit device is provided that includes an insulating substrate, a semiconductor structure positioned on the insulating substrate and a Peltier effect heat transfer device coupled to the insulating substrate to transfer heat between the semiconductor structure and the insulating substrate.

Apparatus for maintaining the temperature of a component of a gas turbine engine below a predetermined maximum working temperature comprises a reservoir for a cooling fluid having a boiling point below the working temperature and in which the component is immersed or with which it is in contact. At least two heat exchangers are associated with the reservoir and operable to effect condensation of vaporized cooling fluid and return of same to the reservoir. Preferably the apparatus is a closed system incorporating three heat exchangers respectively adapted to effect heat exchange with engine fuel, compressed air derived from a fan or low pressure compressor of the engine and ambient air. Means may advantageously be provided to ensure return of condensed cooling fluid to the reservoir when the attitude of the reservoir is altered as a result of aircraft maneuvers.

A device for effecting heat transfer from a first fluid medium to a second fluid medium and for enhancing mixing and uniform distribution of the second fluid medium within the confines of a conduit. The device includes providing a core pipe for receiving the first fluid medium and a series of helically wound tubes in fluid communication with the core pipe along the longitudinal axis of the conduit. The second fluid passes within the conduit and is mixed by virtue of the static mixing effect of the helically wound tubes and engages in heat transfer as a result of the intimate contact between the second fluid, the core pipe and the helically wound tubes.

Apparatus for maintaining the temperature of a component of a gas turbine engine below a predetermined maximum working temperature comprises a reservoir for a cooling fluid having a boiling point below the working temperature and in which the component is immersed or with which it is in contact. At least two heat exchangers are associated with the reservoir and operable to effect condensation of vaporised cooling fluid and return of same to the reservoir. Preferably the apparatus is a closed system incorporating three heat exchangers respectively adapted to effect heat exchange with engine fuel, compressed air derived from a fan or low pressure compressor of the engine and ambient air. Means may advantageously be provided to ensure return of condensed cooling fluid to the reservoir when the attitude of the reservoir is altered as a result of aircraft maneuvers.

A spiral-path chimney-effect heat sink cools an LED light bulb by increasing the length of the path over which heated air rises between two coaxial tubes. A tube top is attached to one end of the tubes. A light emitting diode (LED) is thermally coupled through the tube top to the inner tube. There are window openings below the rim where the outer tube attaches to the tube top. A convection current path guide is disposed between the inner and outer tubes. The convection current path guide is a spiral wire that causes rising air to follow a longer spiral path around the heated inner tube before the air exits the heat sink through the window openings. An Edison screw base is attached to the end of the inner tube opposite the end attached to the tube top. The coaxial tubes can be cylindrical tubes, conical tubes or square tubes.

A data recording head having at least two waveguides that are energy-coupled. The first waveguide is end fire coupled to a radiant energy source of a first spot size, and the second waveguide outputs radiant energy of a second spot size onto a recording medium. The width of the first waveguide is larger than the width of the second waveguide, or the first spot size is larger than the second spot size. The recording also includes a cladding layer and / or a diffraction grating for mode index matching between the first and second waveguides. The second waveguide includes a solid immersion optical element to focus the output radiant energy. In one embodiment, the data recording head includes a write element to effect magnetic data recording, and the first and second waveguides are configured relative to the write element and supported relative to the recording medium to effect heat assisted magnetic recording.

A method and apparatus for generating steam by heating water with a flame is provided. The water is introduced into a vortex sustaining container and flows through the container in a spiraling manner creating a liquid vortex with an open axial core. The flame effects heat transfer and is the product of the ignition of fuel mixed with a tangentially swirling oxygen containing gas.

An active temperature control module can be used with drinkware and plateware devices. The drinkware can be a mug made of metal, and optionally coated with a ceramic material. The active thermal control module can optionally be removably coupleable to a surface of the drinkware or plateware device. The module can include at least one heating element that can thermally communicate with a surface of the drinkware or plateware device to thereby effect heat transfer through the base to food stuff (e.g., a solid food, a liquid food) in the drinkware or plateware device. The module can include at least one sensor configured to sense a parameter of the foodstuff, and at least one power storage element configured to provide power to the at least one heating element. The module can include control circuitry configured to control operation of the one or more heating elements, and a transceiver configured to transmit operating information of the module to a remote electronic device and to receive operating instructions from the remote electronic device. Optionally, the module can include a heat transfer pack that can thermally communicate with the at least one heating element, and which can be interposed between the at least one heating element and a surface of the drinkware or plateware device.

The present invention provides a humid air turbine having a compressor, a humidificator for generating humid air by adding moisture to compressed air supplied from the compressor, a combustor, a turbine, a recuperator for effecting heat exchange between exhaust from the turbine and the humid air, an economizer for effecting heat exchange between exhaust from the recuperator and water, and a system for supplying the water heated by the economizer to the humidificator. The humid air turbine includes a temperature measurement device for measuring the temperature of gas discharged from the economizer, and a control device for adjusting the amount of moisture to be supplied to the humidificator in accordance with a temperature signal from the temperature measurement device. The present invention assures low NOx of combustor and flame stability before and after water addition to the humid air turbine.

The invention provides a power supply for a computer mainframe, which is cooled by a heat conduction method, and more particularly to a power supply without a cooling fan. The present invention features a highly effective heat pipe connecting a plurality of aluminum-extrusion heat sink fins and a plurality of aluminum-extrusion heat sinks, the aluminum-extrusion heat sink fins fixed above a cooling chip over a circuit board, and the aluminum-extrusion heat sinks fringed near the power supply, with a part of the heat sink fins exposed to the power supply. The heat of a chip is conducted out of the power supply by the aluminum-extrusion heat sink fins, the high-effect heat pipe, and the aluminum-extrusion heat sinks. Therefore, the power supply can reach an expected cooling effect without the cooling fan.

The invention discloses a constant-pressure multiple-effect evaporation condensation sea water desalination device with an air medium, which mainly comprises a low-and-medium temperature heat source (13), a first-stage heating evaporator (14), an evaporation condenser (4) and a last-stage condenser (8). The first-stage heating evaporator (14), the evaporation condenser (4) and the last-stage condenser (8) are installed in sequence closely, and the low-and-medium heat source (13) and the first-stage heating evaporator (14) are connected together. The first-stage heating evaporator (14), the evaporation condenser (4) and the last-stage condenser are all formed by combining a plurality of heat exchange plates which are arranged from left to right in sequence, and a gap is reserved between every two adjacent heat exchanging plates to form a flow channel for heat exchange fluid. By adopting the plate-type heat exchange principle, the sea water desalination device realizes multiple-effect air humidification and dehumidification evaporation and condensation for sea water desalination under constant pressure. Heat and moisture transfer is performed between sprayed sea water and overflowing air, and the condensation latent heat of fore effect heat and moisture air can be absorbed at the same time, and therefore, energy recovery is realized and the fore effect heat and moisture air can be condensed to obtain fresh water.

A heat exchanger utilizing active fluid transport of a heat transfer fluid has multiple discrete flow passages provided by a simple but versatile construction. The microstructured channels are replicated onto a film layer which is utilized in the fluid transfer heat exchanger. The surface structure defines the flow channels which are generally uninterrupted and highly ordered. These flow channels can take the form of linear, branching or dendritic type structures. A cover layer having favorably thermal conductive properties is provided on the structured bearing film surface. Such structured bearing film surfaces and the cover layer are thus used to define microstructure flow passages. The use of a film layer having a microstructured surface facilitates the ability to highly distribute a potential across the assembly of passages to promote active transport of a heat transfer fluid. The thermally conductive cover layer then effects heat transfer to an object, gas, or liquid in proximity with the heat exchanger.

An image heating apparatus comprising an endless belt for heating an image on a recording material; heating means for heating a part of the endless belt; driving means for rotating the belt; a first contact member for contacting an inner surface of the belt; stand-by control means operable in a stop period in which the heating means effects heating with the belt at rest and in a rotation period in which the belt is rotated; and drive stop control means for stopping, upon stoppage of rotation of the in the rotation period, the endless belt at such a position that contact member contacts at least a part of such a portion of the endless belt as has been opposed to the heating means in a previous stop period.

A device for effecting heat transfer from a first fluid medium to a second fluid medium and for enhancing mixing and uniform distribution of the second fluid medium within the confines of a conduit. The device includes providing a core pipe for receiving the first fluid medium and a series of helically wound tubes in fluid communication with the core pipe along the longitudinal axis of the conduit. The second fluid passes within the conduit and is mixed by virtue of the static mixing effect of the helically wound tubes and engages in heat transfer as a result of the intimate contact between the second fluid, the core pipe and the helically wound tubes.

A surgical treatment device includes a shaft, a treatment portion which is provided at the tip of the shaft to effect heat treatment to living tissues, heater elements which are disposed in the treatment portion, a cable member which is inserted through the shaft to supply power to the heater elements, and a heat insulating member for inhibiting heat transfer from the treatment portion to the shaft. As the heater elements are disposed in the treatment portion consisting of a member having high heat conductivity, the heat generated by the heater elements can be efficiently utilized. In addition, as the heat transfer to the shaft is inhibited by a heat insulating member, heat loss is small. According to the surgical treatment device, coagulation treatment and blunt separation treatment can be efficiently carried out.

The invention relates to a hydrochloride combined absorption and analytic method, which includes the following steps: concentrated hydrochloric acid in a concentrated hydrochloric acid tank enters into a concentrated acid analytic tower through a pump and a double-effect heat exchanger to be analyzed, and partial hydrogen chloride gas is obtained; the no-analyzed dilute hydrochloric acid enters into a dilute acid tank through the double-effect heat exchanger and a cooler; calcium chloride solution in dilute hydrochloric acid and calcium chloride concentration towers goes through a pump, is mixed and enters into a dilute acid tower to be analyzed, the hydrogen chloride gas is obtained; the dilute calcium chloride solution with trace hydrochloride in a dilute hydrochloride analytic tower enters into the calcium chloride concentration tower to be concentrated, waste water within hydrochloride meeting the emission standard is obtained; the concentrated calcium chloride flows back to a calcium chloride preparing tank. The invention improves the recovery rate (99.99 percent) of the hydrogen chloride, reduces the neutralization procedure, resource waste and environmental pollution of the waste water, and can also used together with the processes of the upstream industry.

The invention discloses an integral double-effect plate type seawater desalination device and a working method thereof and belongs to the field of seawater desalination. The integral double-effect plate type seawater desalination device is characterized by being formed by compressing a series of seawater desalination plate sheets, wherein two different sealing strip structures are arranged between two adjacent plate sheets at intervals. Each seawater desalination plate sheet is sequentially provided with a first-effect heat exchange region, a first steam-liquid separation region, a second-effect heat exchange region, a second steam-liquid separation region, a condensation heat exchange region from bottom to top; and each plate sheet is also provided with a first steam-liquid mixture channel, a first pure steam channel, a second steam-liquid mixture channel, a second pure steam channel, a seawater inlet channel, a heat source channel, a cold source channel, a fresh water channel, a brine outlet channel and an inter-effect seawater channel. According to the integral double-effect plate type seawater desalination device, with reasonable arrangement of the sealing strip structures, various function regions required by seawater desalination are formed on the two sides of a same plate sheet, so that the compactness of the double-effect seawater desalination device is greatly improved; and due to less used corrosion resistant metal material, the cost is lower.

A complex flow-path heat exchanger having U-shaped tube and cantilever combined coil, which can achieve, in this type heat exchanger, a simple construction, a complex flow of steam within the same one heat exchange shell body, a high heat exchange efficiency, and a low energy loss. The technical gift of the present invention is that, after entering into the heat exchanger, steam firstly effects heat exchange on the U-shaped tube flow path shell side to be cooled and condensed, thereafter entering into flow path tube side of the cantilever combined coil, which are disposed within the same one shell, for a secondary heat exchange, and subsequently flowing out of the heat exchanger after being subcooled. Such steam-water heat exchanger having a complex flow path are advantageous in a small steam flow resistance of the U-shaped tube flow path shell side; a higher condensate water flow velocity in the cantilever combined coils flow path tube; a high heat exchange coefficient; good coordination of the temperature difference fields of the hot and cold fluids in the heat exchanger; and a high heat exchange efficiency. Therefore, the present heat exchanger can be a new generation product relative to the currently-used conventional low-temperature, low-pressure and corrosion-free heat exchangers.

The disclosed methods and apparatus seek to effect heat transfer through the use of one or more conductive fin devices. In addition, the disclosed devices seek to reduce the discharge of pollutants from primary combustion processes using carbonaceous fuel sources by implementing secondary combustion features and other apparatus. With more effective heat capture and utilization, the disclosed heat exchange technologies provide methods and apparatus to reduce heat dissipation to atmosphere. The methods and apparatus have application in the areas of industrial incineration, power boilers, water heaters, residential and commercial solid fuel waste heat recovery appliances, and electric power generation. In addition, the technology could have application in the areas of solar systems, desalination systems, aircraft and vehicular engines, electric motors, turbines, oil pans on internal combustion engines, transmission cooling pans, cooling navigational and electronic systems, and computer cooling and power supply.

The invention provides a power supply for a computer mainframe, which is cooled by a heat conduction method, and more particularly to a power supply without a cooling fan. The present invention features a highly effective heat pipe connecting a plurality of aluminum-extrusion heat sink fins and a plurality of aluminum-extrusion heat sinks, the aluminum-extrusion heat sink fins fixed above a cooling chip over a circuit board, and the aluminum-extrusion heat sinks fringed near the power supply, with a part of the heat sink fins exposed to the power supply. The heat of a chip is conducted out of the power supply by the aluminum-extrusion heat sink fins, the high-effect heat pipe, and the aluminum-extrusion heat sinks. Therefore, the power supply can reach an expected cooling effect without the cooling fan.

The invention provides a serial multi-stage isothermal heating multiple-effect heat return humidifying and dehumidifying solar-powered seawater desalination machine comprising a solar heat collector, a hot water storage tank, a plurality of humidifying towers, a dehumidifying tower, seawater spray heads, a draught fan, a plastic pellet, a stainless steel disc, a condenser and a water pump, wherein the plurality of humidifying towers can be connected in series; the tops of the humidifying towers are provided with the seawater spray heads; part of feed seawater and humid high-temperature air in the dehumidifying tower are subjected to heat exchange in the condenser, then, part of the seawater is directly sprayed on the surface of the plastic pellet to form a seawater film with a large contact area, the seawater film is subjected to heat and humidity exchange with air flowing from bottom to top to form saturated humid air which is delivered into the dehumidifying tower under the action of the draught fan and is condensed by the feed seawater to generate fresh water, the residual feed seawater is divided into a plurality of paths and is simultaneously delivered into the hot water storage tank after absorbing the latent heat of the humid air so as to continue to be heated to raise the temperature, and then, the residual feed seawater is sprayed after entering the corresponding humidifying tower and is condensed in the dehumidifying tower to generate the fresh water. By using the serial multi-stage isothermal heating multiple-effect heat return humidifying and dehumidifying solar-powered seawater desalination machine, the utilization ratio of solar energy in a seawater desalination device is increased.

A continuous process and apparatus is provided for treating an impure liquid to produce purified liquid. The process includes electrically activating a thermoelectric module (24) to provide a first module heated surface (26) and a module cooler surface (28); feeding the impure liquid to the first module heated surface (26) to produce vapor of the liquid; and transferring the vapor to the module cooler surface (28), to effect heat transfer to the module cooler surface (28). The process further includes (a) directing a first portion of the vapor adjacent to or onto the module cooler surface (28) to effect heat transfer to the module cooler surface to produce a first condensed liquid; (b) directing a second portion of the vapor to condenser means (18) having a second cooler surface (46) remote from the module cooler surface (28) to effect heat transfer to the second cooler surface (46) to produce a second condensed liquid; and (c) collecting the first and second condensed liquids.

The invention relates to a citric acid continuous cooling crystallization system and a method thereof. In an existing method of producing citric acid monohydrate crystal, intermittent processing equipment is used, product size distribution is uneven, a crystal product is agglutinated seriously, and difference between product batches is large. According to the crystallization method, a citric acid solution is heated and concentrated through two-effect heat exchange, then is input into a circulating pipeline composed of an indirect cooler and a cooling crystallizer through a feed pump and is continuously cooled for cooling crystallization in the circulating pipeline under the action of a circulating pump, and citric acid monohydrate slurry is obtained through cooling crystallization; the citric acid monohydrate slurry is discharged through a discharging pump, conveyed to a crystal slurry buffering tank to be buffered and then input into a centrifugal separation device for solid-liquid separation. According to the continuous cooling crystallization method, intermittent crystallization operation of using a crystallization kettle for feeding and discharging and conducting cooling in the kettle in the past is replaced, the feeding, discharging and cooling flow path is stabilized, continuity and stability of product quality can be effectively ensured, and production efficiency and product quality of citric acid monohydrate are greatly improved.

The invention discloses a low-temperature multiple-effect heat pipe type evaporator which comprises a casing. A plurality of heat pipes which are arranged at intervals are arranged in the casing, a spray system is arranged above the heat pipes which are arranged at intervals, the spray system is connected with a seawater inlet, and at least one steam inlet, at least one strong water port, at least one vacuumizing port and at least one steam outlet are arranged on the casing. By means of use of the low-temperature multiple-effect heat pipe type evaporator and a sea water desalinization system of the low-temperature multiple-effect heat pipe type evaporator, characters of the heat pipes can be effectively used, heat transfer efficiency is improved, and energy utilization rate of the sea water desalinization system is improved accordingly.

The invention discloses a continuous steam recompression evaporation system using flash steam waves, belongs to the technical field of hot-method evaporation. Specifically, a flash steam wave pressure booster is introduced, steam recompression is completed by using flash steam waves by using the pressure boosting characteristics of flash steam waves of saturated water with pressure, two combination systems of steam recompression by using flash steam waves and pressure boosting / steam thermal compression of the flash steam waves are achieved, tail-effect secondary steam is fed into a flash steam wave booster and is subjected to recompression, after the energy grade is increased, the tail-effect secondary steam is fed into a primary-effect evaporator to be used as a driving heat source, the generated secondary steam is separated in a gas-liquid separation module, and is further used as a lower-effect heat source for continuous evaporation, and a stock solution is pumped out of the device after being concentrated to be saturated in concentration in the evaporators. By adopting the continuous steam recompression evaporation system, the compression process that gas phase compression of steam is converted to liquid phase compression is achieved, the efficiency is remarkably improved, the difficulty that a steam compressor is hard to design and manufacture is solved, and the pressure boosting efficiency is relatively high when being compared with that of a steam ejector.

The present invention creates a fuselage structural component (1) of an aircraft or spacecraft, with a non- load-bearing outer skin (2) and a load-bearing inner framework structure (3), wherein a foam layer (4) which effects heat insulation and / or impact protection is arranged between the outer skin (2) and the inner framework structure (3).

The invention discloses a double-effect heat supply device of a low-temperature superconducting source heat pump. The device comprises an electrostatic low-temperature superconducting heat source tower, a low-temperature potential energy superconducting liquid transfer, an automatic single / double-effect heat pump set, a single-effect slight-cold-grade heat supply circulation, a double-effect great-cold-grade heat supply circulation and a negative-temperature high-humidity heat energy accumulation haze remover, wherein low-temperature nanometer superconducting liquid is filled in the superconducting heat source tower to absorb a haze wet cold heat source in the haze period in winter to realize automatic selection of economical heat supply operation of a single-effect heat pump system in the climate period above -10 DEG C; the heat supply temperature of hot water of 65 DEG C of a coal-fired boiler is reached; and meanwhile, a lot of manual cold sources disturb the atmospheric circulation to lead air to dispel the maze. Ultralow-temperature nanometer superconducting liquid is filled in the superconducting heat source tower to absorb the heat energy of ultralow-temperature air in the ultralow-temperature climate period above -18 DEG C to realize automatic selection of economical heat supply operation of a double-effect heat pump system; the heat supply temperature of the hot water of 65 DEG C of the coal-fired boiler is reached; and the environmental pollution caused by the heat supply of the coal-fired boiler can be reduced.