1501results about How to "Reduce surface temperature" patented technology

PCT No. PCT / GB98 / 02840 Sec. 371 Date Jul. 14, 1999 Sec. 102(e) Date Jul. 14, 1999 PCT Filed Sep. 18, 1998 PCT Pub. No. WO99 / 13741 PCT Pub. Date Mar. 25, 1999Food is rendered sterile by UV irradiation, preferably with UV at 265+ / -15 nm. A sterilization unit may include UV sources (90, 100, 110, 120) and a heat source, which may be a broad band UV source, a source of IR or microwave radiation. A combined microwave / UV unit can be used to defrost frozen food and simultaneously sterilize it or maintain sterility. Heating prior to UV irradiation can enhance the sterilization, as can rapid cooling after irradiation. Irradiation can also be enhanced by displacing the food during irradiation e.g. by supporting it on a rotatable support (135) and / or by displacing it relative to the support surface.

A heat dissipation apparatus is described. The heat dissipation apparatus is used in an electrical product, and especially in a notebook computer. The heat dissipation apparatus has two cooling fans, at least one heat pipe, and at least two heat dissipation fins. The first fan sucks cooling air from outside of the electrical product. The heat pipe coupling with a heat source transfers heat generated by the heat source to the heat dissipation fins. The first heat dissipation fin and the first fan remove part of the heat out of the electrical product. The second heat dissipation fin further connects with the heat source and the heat pipe to utilize the second fan to remove part of the heat exhausted by the first fan from the electrical product. The heat dissipation apparatus further comprises a third heat dissipation fin and a second heat pipe. The second heat pipe efficiently transfers the heat to each of the heat dissipation fins. The third heat dissipation fin is positioned in an outlet of the second fan to exchange heat again and thus enhance the heat dissipation efficiency.

A thermal dissipator disposable in a heat transfer relationship with a heat-generating source, such as an electronic component, which is mounted on a substrate, such as a printed circuit board. The dissipator includes a thermal dissipation member having a top and bottom surface, and a pressure sensitive adhesive layer disposed on the thermal dissipation member to cover at-least a portion of the bottom surface thereof. The dissipation member is formed of a thermally-conductive, electrically-nonconductive ceramic material. The pressure sensitive adhesive layer has an inner surface adhered to the bottom surface of the thermal dissipation member, and an outer surface bondable to a heat transfer surface of the source for attaching the dissipator to the source in a heat transfer relationship therewith.

The invention discloses an efficient graphene-based cooling coating as well as a preparation method and application thereof. The coating mainly consists of graphene composite powder, a filler, a high-molecular binder and a solvent, wherein the graphene composite powder mainly consists of thin-layer graphene and carbon black; the carbon black is mainly dispersed among the thin-layer graphene. Further, the graphene composite powder is formed by ultrasonically dispersing and mixing the thin-layer graphene powder and the carbon blank and then drying. When the coating is coated on the surfaces of devices, the surface cooling efficiency of the devices can be remarkably improved and the cooling ability of the cooling devices is greatly enhanced; the coating is antiseptic, waterproof, antifouling, stable in cooling property and free of being influenced by surrounding medium, and has wide application prospect and practical value in the electronic cooling field; meanwhile, the coating preparation process is simple, low in cost and suitable for large-scale production.

A coating admixture, method of coating and substrates coated thereby, wherein the coating contains colloidal silica, colloidal alumina, or combinations thereof; a filler such as silicon dioxide, aluminum oxide, titanium dioxide, magnesium oxide, calcium oxide and boron oxide; and one or more emissivity agents such as silicon hexaboride, carbon tetraboride, silicon tetraboride, silicon carbide, molybdenum disilicide, tungsten disilicide, zirconium diboride, cupric chromite, or metallic oxides such as iron oxides, magnesium oxides, manganese oxides, chromium oxides, copper chromium oxides, cerium oxides, terbium oxides, and derivatives thereof. In a coating solution, an admixture of the coating contains water. A stabilizer such as bentonite, kaolin, magnesium alumina silicon clay, tabular alumina and stabilized zirconium oxide is also added.

Apparatus for illuminating a feature on a transparent light transmitting substrate or window: the substrate is capable of trapping light within itself and propagating the light along the substrate with total internal reflection. A light source is connected by an optical arrangement positioned with respect to one of the surfaces of the substrate for directing light into the substrate at an incident angle selected for propagation of light along the substrate. An extraction feature at a location on the surface of the substrate is configured to illuminate internal reflection at the feature, so that the feature becomes illuminated. Arrangements for the shape, orientation and adjustment of the optic, for configurations of the feature, for coupling the optic and also for coupling the feature to the substrate and particularly its surface are disclosed.

In a method for a laser-induced thermal separation of plate glass by thermal scoring using a laser beam heating the glass along a desired separation line with subsequent cooling of the laser-heated line, wherein the heat is applied by the laser beam in a number of repetitive passes at intensities based on glass thickness and desired cutting speeds.

A method is provided for producing a metal composite. The composite includes a metal material and a resin curing layer provided along the metal material, and is obtained by using heat and pressure to mold a preform. The preform includes a sheet-shaped base material containing a thermosetting resin, and a metal material arranged or layered so as to contact the sheet-shaped base material. The method for producing a metal composite includes heating the sheet-shaped base material and semi-curing the thermosetting resin while the metal material in the preform arranged inside a mold is heated to a temperature exceeding 180° C., and molding the preform into a composite using pressure, wherein the thermosetting resin is at least one type selected from the group consisting of epoxy resins, phenol resins, benzoxazine resins, and unsaturated polyester resins.

The invention belongs to the technical field of materials, and specifically relates to a nano-carbon-reinforced wear-resistant composite material. The nano-carbon-reinforced wear-resistant composite material comprises the following components in percentage by mass: 55-99% of metal powder, 0.1-35% of ceramic powder, and 0.01-15% of nano-carbon, wherein the metal powder is used as a composite material matrix; the ceramic powder is used as a wear-resistant filling material; and the nano-carbon comprises single-wall carbon nano-tubes, multi-wall carbon nano-tubes and other materials, and is mainly used for improving the heat-conducting performance, strength, toughness, wear resistance and other performances of the composite material. The wear-resistant composite material disclosed by the invention can keep a stable friction coefficient and a low wear rate under the conditions of a heavy load, a high speed, and long-time braking.

The hurricane prevention system and method for use in ocean water is provided including a buoyant platform on which is disposed a wind-driven power source, a water-moving system, and a water-dispersing system. The wind-driven power source is configured to use wind energy to power the water-moving system, which is configured to transport water from somewhat deeper ocean water levels to, or near, the level of the ocean. The water-dispersing system is preferably configured to disperse the water from the water-moving system to an area at or near the sea surface. The buoyant platform preferably is anchored by a mooring system. The hurricane prevention system and method is designed to bring cooler water from deeper in the ocean to or near the ocean surface and to disperse that cooler water in that area to reduce the sea surface temperature, thereby preventing or inhibiting the formation of hurricanes.

The invention discloses a vegetation configuration method for preventing the water and soil loss of a mine dump of a dry-hot valley. The method comprises the following steps: performing topsoil stripping on the dump; building an intercepting ditch, a drainage ditch and a water collecting tank on a platform of the dump; screening vegetation types, including shrubs, herbs and liana, suitable for growing in the mine dump of the dry-hot valley; performing targeted planting; after the vegetation of the mine dump is planted, enclosing the dump by using a wire mesh or a fence to prevent a slope surface from being destroyed by domestic animals. According to the principles of soil and water conservation and restoration ecology, vegetation species are reasonably combined by aiming at that the habitat of the mine dump of the dry-hot valley is severe and different slope positions have different soil erosion intensity and water conditions, so that a reliable technical path is provided for recovering the vegetation in a mining region as quickly as possible. Moreover, the vegetation configuration method for preventing the water and soil loss of the mine dump of the dry-hot valley has the characteristics of high operability and high comprehensive benefit.

The present invention is directed to ultraviolet cured coating compositions. More specifically, the present invention is directed to urethane / acrylic coating compositions that contain additives for the absorption of ultraviolet radiation and the reflection of infrared radiation and which are UV cured.

The invention relates to a LED lighting bulb, which comprises a socket, a separating pillar, a radiator, a light source base, a plurality of LED lamps, insulated aluminum base plates and a glass lamp housing, wherein, the socket is connected with the separating pillar connected with the radiator; the radiator which is round is connected with the light source base, and the center of the radiator is provided with a via hole; a thermal conductive pillar connected to the via hole is arranged at the back end of the light source base; the insulated aluminum based plates uniformly provided with a plurality of LED lamps are connected with the front end center of the light source base; the glass lamp housing, the inner surface of which is coated with a layer of reflection grinding powder, is connected with the light source base. The invention has the advantages of large luminous area, soft light, low power consumption without mercurial pollution, good heat dissipation, low surface temperature of the lamp, good safety, convenient operation and long life, without needing to install accessories of the prior fluorescent lamp such as ballasts, starters, etc., and the start-up of the bulb free from influence of temperatures and on-off times.

The invention discloses a composite intumescent flame retardant which is composed of the following components in percentage by weight: 50-65% of acid source, 10-20% of gas source, 15-20% of carbon source and 10-20% of smoke inhibitor. The acid source is composed of at least one of ammonium polyphosphate, melamine phosphate and melamine polyphosphate, wherein the ammonium polyphosphate is crystal II ammonium polyphosphate with the average degree of polymerization of greater than 1000; the gas source is composed of at least one of melamine and dicyandiamide; the carbon source is composed of at least one of pentaerythritol and bis pentaerythritol; and the smoke inhibitor is composed of at least one of magnesium hydroxide, aluminum hydroxide and zinc borate. The invention also discloses a preparation method of the composite intumescent flame retardant.

The invention discloses an efficient heat radiation embedded type microwave oven. The efficient heat radiation embedded type microwave oven comprises a surface frame, a shell, and a cooking cavity and an electric appliance chamber which are arranged in the shell and are arrayed side by side, wherein air inlets are formed in the two sides of the surface frame; air outlets are formed in the upper and lower ends of the surface frame; a gap between the surface of the shell and the inner wall of a preformed hole in a cupboard forms an air inlet channel; air guide covers are arranged on the top face and the bottom face of the shell; a separation plate is arranged in the middle of the electric appliance chamber. The efficient heat radiation embedded type microwave oven adopts an independent cooling air flue design, and a speed changing fan and a temperature probe are matched so that the cooling air amount and the air pressure can be flexibly adjusted, and the cooling effect is improved; the separation plate in the electric appliance chamber is used for dividing airflow into upper and lower paths for respectively cooling different electrical apparatus elements, so that the cooling effect is preferable.

The invention provides a wall-mounted air conditioner indoor machine and a control method thereof. The control method of the wall-mounted air conditioner indoor machine includes the steps that an indoor human body is detected, and the position where a person is located is judged according to the scanning result of each wind feeding area; then according to the following / avoiding mode of the indoormachine set by a user, the wind outgoing direction is made to face / avoid the user; the user can select an indoor machine wind outgoing mode according to the actual condition, and for example, during refrigerating of an air conditioner, if the user feels that temperature is low, an avoiding mode can be selected so that direct blowing of the air conditioner can be prevented and air conditioner disease can be avoided; and for another example, during heating of the air conditioner, a following manner can be selected so that the user can be located in a warm air environment all the time. Accordingto the control method of the wall-mounted air conditioner indoor machine, the wind outgoing mode of the indoor machine is set according to the actual condition, intelligent wind outgoing of the air conditioner is achieved, meanwhile, the requirements of different users for wind outgoing of the air conditioner indoor machine are met, and the using experience of the user is improved.

The present invention relates to a method of regulating and controlling surface temperature of concrete or asphalt structure (the structure) and the like, as well as atmospheric or air temperature around the structure by encapsulating and containing temperature (thermal) control materials (TCMs) or / and water in the structure which constructs or constitutes pavements, roofs, parking lots, walls and the like. Volume ratio of water and one or more TCMs encapsulated and contained in the structure are from 0.01% to 99.99%. Based on simulation analysis, on one hand, the present invention, in summertime, can reduce the highest temperature on surface of the structure by up to 56.5% (reduced by about 46° C.), and reduce the highest temperature of air around the structure by up to 54.4% (reduced by about 48° C.), therefore “heat island” effect in urban areas in summer can significantly be reduced, thus saving cooling energy and benefiting human health. On the other hand, in wintertime, by the invention the surface temperature of the structure can be raised by up to 5.6° C., and the temperature of air around the structure can be raised by up to 5° C., accordingly heating energy demand is reduced.

The invention discloses a high-radiation heat-insulated coating which comprises the following components in parts by weight: 25-37 parts of infrared reflection pigments, 12-20 parts of aluminum-coated hollow microspheres, 15-28 parts of aerogel, 30-55 parts of organic resin, 0.1-0.2 part of a wetter, 0.36-0.47 part of a dispersant, 0.3-0.9 part of a defoamer, 0.02-0.1 part of a preservative, 0.02-0.1 part of a mildew preventive, 0.52-1.12 parts of a thickener, 1.2-2.4 parts of a film-forming aid and 0.03-0.18 part of a pH value regulator. The coating is provided with a plurality of photo-thermal reflection layers and heat-insulated barriers, has a good heat-insulated effect capable of reaching more than 98%, and is excellent in mechanical performance, large in adhesive force, good in weather resistance, water resistance, stain resistance, scrub resistance and the like, safe, environment-friendly and wide in application range.

A method and apparatus that combines the coating spray booth with process heating and radiation to increase the efficiency of the processing of powder coatings on wood, wood-based composite materials and plastic substrates. The temperature of the parts in process can be maintained within the booth after preheating or elevated in temperature within the booth before, during, and after the application of the coating material. The invention allows for the control of the rate of thermal expansion of heat sensitive materials, thereby reducing substrate damage from cracking. Increased efficiencies permit a significant reduction of processing energy expense. Multiple coatings can be applied and cured to parts in process within the invention while experiencing an overall reduction in the length of the processing system compared to the prior art.

The invention provides an ultra-high speed aircraft thermal protection and drag reduction method and system. The method includes that a cold source is arranged inside the cavity of an ultra-high speed aircraft, a plurality of micropores are arranged in the wall surface of the cavity, and the cold source is ejected out of the micropores in a high-pressure air state under the action of driving force to form an air film on the outer surface of the cavity. The air film can perform thermal protection on the ultra-high speed aircraft, viscous drag of the aircraft with external air can be effectively reduced, thermal barrier is favorably alleviated or eliminated, security of the ultra-high speed aircraft is improved, service life is prolonged, and a good application prospect is achieved. A cold source driving unit comprising an air pump, a cold source storer and a buffer is adopted in the system, the air pump supplies compressed air to the cold source storer during the operation state, the cold source enters the buffer to be vaporized under the action of air pressure, and the air is ejected from the micropores to form the air film under the action of pressure.

The invention discloses a heat reflective insulating stoving varnish coating and a preparation method thereof. The stoving varnish coating comprises the following components in percentage by weight: 40-60% of a film-forming resin, 8-15% of a mixed solvent, 10-25% of an infrared reflective pigment, 1-5% of insulating powder, 6-15% of filler and 1.2-3.5% of an auxiliary, totaling 100%, wherein the film-forming resin comprises a mixture of thermosetting acrylic resin, acrylic resin and amino resin. As the film-forming resin contains the above three main resins, the stoving varnish coating has good weather ability, mechanical property and chemical resistance. As the infrared reflective pigment and heat insulating powder are added into the raw material, the coating is high in reflection efficiency of sunlight and good in insulating effect.

The invention discloses a coating for cooling the surface of a light-emitting diode (LED) radiator. The coating is characterized by being prepared from the following components in parts by weight: 6-20 parts of inorganic colloidal particle, 0.5-2 parts of carbon nano-tube, 15-80 parts of electron transition spinel, 0.05-2 parts of rare-earth element oxide, 0.1-0.3 parts of stabilizer, 3-10 parts of epoxy resin, 3-10 parts of methyl methacrylate and 2-5 parts of ethylene glycol. The coating has obvious heat dissipating and cooling effects, is not affected by surrounding medium when taking the cooling effect, can be used in a vacuum environment, also has the advantages of good self-cleaning property, corrosion resistance, waterproofness, fire retardancy, insulativity, and acid and alkali resistance, and convenient construction when taking a radiation cooling effect.

The invention discloses environment-friendly flame retardant asphalt and a preparation method thereof. The flame retardant asphalt comprises, by mass, 100 parts of base asphalt, 2 to 15 parts of a fire retardant and 0.5 to 5 parts of a surface modified nano-material hydrotalcite. The preparation method comprises the steps of adding the fire retardant and the nano-material hydrotalcite into the base asphalt at a temperature of 120 to 180 DEG C and carrying out stirring for uniform mixing. According to the invention, the composition of asphalt has good flame retardant performance; additives used in the invention are environment-friendly, cost little and have good stability; a preparation process is simple.

The invention discloses an exhaust system for a gaseous film cooling central cone of a turbofan aircraft engine, belonging to the technical field of turbofan aircraft engines. The system sequentially comprises an exhaust system cylinder body (1) of the engine, a confluence ring (2) and a central cone (3) from inside to outside and is characterized in that a central cone end plate (8) is arranged inside the central cone (3); an inner cavity of the central cone is divided into two independent cavities by the central cone end plate, respectively including a central cone front cavity (9) and a central cone rear cavity (10); a gaseous film hole (11) is arranged on the wall surface of the central cone rear cavity; a hollow turbine rear support plate (4) is provided with a hollow cavity which is respectively communicated with an external culvert channel (6) and the central cone rear cavity (10); and a deflector (12) is arranged at the part of the hollow turbine rear support plate (4), which is communicated with the external culvert channel (6). According to the invention, the caudal infrared radiation of the exhaust system can be greatly reduced by reducing the surface temperature of the central cone body.

The invention discloses a treatment method and a treatment device for condensed water of a household air conditioner. The method comprises the following steps: when the air conditioner is used for refrigeration, the condensed water generated from an indoor unit of the air conditioner is collected, then is drained to outdoors, and is sprayed on a condenser of an outdoor unit of the air conditioner, the high temperature of the condenser of the outdoor unit of the air conditioner is utilized to evaporate the discharged condensed water and discharge the condensed water into the air, and the temperature of the condenser of the outdoor unit of the air conditioner is reduced at the same time; when the air conditioner is used for heating, the condensed water generated from the outdoor unit of the air conditioner is collected, then is conveyed indoors, and is evaporated by utilizing the high temperature generated by the pipe wall of a radiating pipe during the heating to increase the humidity of indoor air, and the temperature of the radiating pipe of the indoor unit of the air conditioner is reduced at the same time. The device can automatically recover and utilize the condensed water, thereby solving the water drain problem of the condensed water; and the device can protect the environment indoors and outdoors, save energy and reduce consumption, improve the work efficiency of the air conditioner, and can maintain the moisture of the indoor air when the air conditioner is used for heating.

In a fixing apparatus and an image forming apparatus of the present invention, an external heating section is provided that includes: an external heating belt; two heat rollers suspending the external heating belt and pressed against a fixing roller via the external heating belt; and a release / contact mechanism for causing the two heat rollers to separate from or contact with the fixing roller. With the heat rollers separated from the fixing roller by the release / contact mechanism, the external heating belt and the fixing roller are in contact with each other and the external heating belt follows rotation of the fixing roller. As a result, a fixing apparatus is provided that includes an external release / contact mechanism that can quickly operate in a small space and at low power without encouraging deterioration of the belt member. An image forming apparatus provided with such a fixing apparatus is also provided.

The invention refers to a kind of crylic acid resin sun heat reflecting paint. It uses crylic acid resin as filmed material, it also includes following assistant dispersant, sum heat reflecting compound dye, solvent and plastic-strengthening agent. Thus, its life outdoor can reach to 8-10 years, and it has high sum heat reflecting rate.

An injection molding machine for bimaterial molding equipped with two sets of injection units (11,12) capable of plasticization and injection filling of different resin materials, respectively, which injection molding machine comprises, as mold clamping means, hydraulic mold clamping means for simultaneously clamping three sets of die plates (2,3,9); as movable die plate opening / closing means (14), movable die plate opening / closing means driven by an electric motor; as rotary die plate opening / closing means (15), rotary die plate opening / closing means (14) driven by an electric motor; and, asrotating means for a rotary die plate (9), rotational driving means driven by an electric motor mounted on a reversal pedestal (7).