344results about How to "Reduce high temperature" patented technology

An intelligent door lock system includes components, a drive shaft of a lock device, a processor coupled to a wireless communication device, and an energy source coupled to a circuit. A device that converts energy into mechanical energy is coupled to the circuit and the drive shaft. The device that converts energy is coupled to the energy source to receive energy from the energy source. A ramp-up speed, a steady state speed and a ramp down speed are applied to the device that converts energy into mechanical energy. The ramp-up speed is applied when a first component initially engages with a second component. The steady state speed is applied following the initial engagement and is an operational speed that the device which converts energy uses during a standard operation mode. The ramp down speed is applied as the first and second components begin a state of non-engagement.

A mask includes a thin film layer having a plurality of net-shaped irregular pores to provide a ventilating effect, two loop-shaped straps mounted on two ends of the thin film layer, and two adjusting rings each movably mounted on a respective one of the straps. The thin film layer is made of soft and tough material, such as e-PTFE, TPE, TPEE, COC or FRP. Each of the pores has a size smaller than that of dust, water molecule, bacterium and virus to isolate and prevent the dust, water molecule, bacterium and virus from entering the thin film layer. When the loop-shaped straps are put on a user's ears, the adjusting rings are moved on the loop-shaped straps to adjust the size of each of the loop-shaped straps so as to fit the user's face.

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 relates to a life-cycle water-free cooling solution which is characterized by comprising the following components in percent by weight: 10-50 percent of propylene glycol, 50-80 percent of ethylene glycol, 0.1-10 percent of triazole compounds, 0.5-3.0 percent of sebacic acid, 0.2-1.0 percent of adipic acid, 0.5-1.5 percent of sodium benzoate, 0.3-5 percent of inorganic base, 0.01-0.1 percent of antifoaming agent and 0.01-0.1 percent of colouring agent. The cooling solution has a freezing point of below -50 DEG C and a boiling point of 166-191 DEG C; and because the cooling solution does not contain water, problems of boiling, gas etching, evaporating, scaling, rusting and the like caused by water existing in the cooling solution are thoroughly eliminated, a steam air resistance layer seriously influencing heat radiation is avoided from generating, power of an engine can be effectively improved and fuel is saved. Because the cooling solution does not contain water and has a reasonable corrosion inhibition system, the problem of corrosion is thoroughly solved; and the cooling solution has a service life of reaching up to 8 hundred thousand kilometers, is added once without replacement, is a life-cycle cooling solution, is especially suitable for military vehicles, high-end vehicles and high-power heavy-loading trucks and passenger cars, and can ensure that the vehicles safely run under extremely hot weather, severe cold weather, and severe environments such as desert, plateau, snowfield and the like.

The invention discloses a preparation method of a sample with a rust layer for in-situ observation of a transmission electron microscope. The method comprises the following steps of: (1), integrally packaging an obtained sample with a rust layer by a cold embedding method; 2), cutting the sample according to the sample size facilitating observation of the transmission electron microscope; 3), thinning the sample primarily; 4), forming a thin sample area which can be observed by the transmission electron microscope; and 5), bonding the prepared sample to a phi3mm round copper mesh, so as to obtain the sample with the rust layer for the in-situ observation of the transmission electron microscope. By adopting the preparation method, the initial shape of the rust layer is remained completely, and the method is very suitable for preparing of the sample with the rust layer for observation of the transmission electron microscope; and the prepared sample is representative, can truly indicate the whole characteristics of the analyzed material, and has great significant in the corrosion resistance research of steel and iron materials.

A heat-dissipating device includes a receptacle body having a lateral wall formed with an air vent; a lamp unit including a burner, a reflector covered the burner, a glass plate disposed in front of the reflector, the reflector cooperating with the glass plate to define an air inlet adjacent to the air vent and an air outlet spaced from the air vent; a fan unit mounted on the receptacle body for covering the air vent and for generating airflow to flow into the receptacle body; and a nozzle disposed within the receptacle body between the air vent and the lamp unit for guiding the airflow into the lamp unit.

The invention relates to SBS modified emulsified bitumen having a high softening point and a preparing method thereof. The SBS modified emulsified bitumen comprises, by weight, 45.0-60.0% of matrix bitumen, 1.5-3.0% of an SBS modifier, 3-15% of catalytic cracking oil slurry, 0.05-0.5% of a stabilizing agent, 0.8-2.5% of a cation emulsifier, 0-0.2% of an auxiliary agent and 32.0-42.0% of water. During preparation, SBS modified bitumen is firstly prepared, then the cation emulsifier and the auxiliary agent are added into hot water having a temperature of 50-70 DGE C to prepare a soap solution, and finally the SBS modified bitumen and the soap solution are subjected to emulsification together through a colloid mill, pressurization and cooling to obtain the SBS modified emulsified bitumen. The preparing method is simple and steps are easy to operate. The prepared SBS modified emulsified bitumen has a high SBS content, the high softening point, high ductility at 5 DEG C, and excellent high-temperature performance and low-temperature performance. An effective route is provided for high value-added utilization of the catalytic cracking oil slurry.

The invention discloses a self-circulation cooling automobile brake drum device, which is provided with a water cooling chamber and a water inlet and outlet channel on a brake drum, an inner ring is connected with the brake drum, the inner ring is sequentially provided with a bearing, a sealing ring, an annular impeller, a sealing ring, an annular impeller and a sealing ring bearing, and is sleeved with an outer ring, wherein the outer ring is provided with the water inlet and outlet channel, the end surfaces of the outer ring and the inner ring are provided with end covers, and the rotation directions of the two annular impellers are opposite. The cooling water of the self-circulation cooling automobile brake drum device can be recycled, and can not pollute the road, so the running safety of the automobile is ensured (i.e. the pollution of sprayed water on the road does not exist), high temperature generated when the automobile brake drum brakes is greatly reduced, and the water supply and drainage circulation of the cooling water in the brake drum is ensured.

There is disclosed a plugged honeycomb structure. A plugged honeycomb structure includes a tubular honeycomb structure body having partition walls including a porous partition wall base material defining a plurality of cells which become through channels for a fluid and extend from a first end face to a second end face, and a porous trapping layer disposed on the surface of the partition wall base material; and plugging portions disposed in open ends of predetermined cells in the first end face and open ends of residual cells in the second end face, and the partition wall base material is constituted of a porous body including α-Al₂O₃ as a main phase and further including aluminum titanate and glass.

The invention discloses a low-temperature propellant storage tank with a pressure control device. The low-temperature propellant storage tank comprises a low-temperature propellant storage tank body,a low-temperature circulation pump, a throttling valve, an expansion machine, a double-pipe heat exchanger, an exhaust cooling coil and an exhaust valve. In order to improve the heat exchange efficiency of the heat exchanger, the reverse-flow double-pipe heat exchanger is adopted, and more cooling capacity can be generated. Meanwhile, fluid passing through the throttling valve absorbs heat and becomes saturated gas or superheated gas which is expanded and cooled through the expansion machine after being discharged out of the tank body, the low-temperature gas forms a cold shield through the cooling coil wound in an insulation layer outside the tank body, external leakage is reduced to the greatest extent, and the exhaust cooling capacity is fully used. The low-temperature propellant storage tank is simple in structure and high in heat exchange efficiency, the cooling capacity is fully used, the tank body pressure is effectively controlled, and effective guarantee is provided for long-term storage of a low-temperature propellant and the tank body pressure.

A planetary rolling bearing. A bearing main body comprises an inner ring, an outer ring, a ball track, main rollers and auxiliary rollers. The inner ring and the outer ring are sleeved together in a way of coincided central axes; the outer side of the inner ring and the inner side of the outer ring form the ball track; rollers in the ball track comprise a main roller group and an auxiliary roller group; the rollers are arranged in a planetary shape, namely axes of every three rollers form an isosceles triangle in the ball track; and each roller body is tangent to another along an axis direction, as well as tangent to the ball track wall. When the bearing works, only rolling friction exists between the main rollers and the auxiliary rollers, and between the main rollers, the auxiliary rollers and the outer ring and the inner ring; and original sliding friction and collision friction between the rollers and a holder do not exist. Compared with the prior art, the invention has beneficial effect that the holder is cancelled to reduce collision friction between the holder and the rollers, effectively reduce high temperature of the bearing and oil loss time, thereby prolonging the service life of the bearing.

The invention discloses a color enhancing feed for leopard coral groupers, and a preparation method of the color enhancing feed. The feed is prepared from the following components in percentage by mass: 5-30% of natural krill powder, 20-60% of white fish meal, 3-10% of yeast, 10-30% of artemia, 5-15% of turmbicula akamushi, 5-16% of hydrolyzed protein, 10-30% of high gluten flour, 5-20% of squid powder, 5-15% of spirulina, 1-5% of fish oil, 1-3% of lecithin, 1-3% of betaine, 1-2% of a vitamin mixture, 2-4% of a mineral element mixture, 1-5% of a microorganism preparation, 1-3% of a compound immunity reinforcing agent, 1-5% of copepods, 1-3% of casein, 1-3% of EPA, 1-5% of DHA, 1-5% of ARA, and 1-2% of a phagostimulant. The feed disclosed by the invention can effectively improve body color,and the problems that color is gloomy, color enhancement is difficult, and the color is liable to be light and not liable to recover under stress state are solved. Besides, according to the preparation technology, the digestibility and the absorbability of the feed are improved, nutrient elements are not destroyed, and the freshness and the food calling properties of the feed are guaranteed.

The invention discloses a lubricating device of a bearing which comprises an axle, a bearing, a bearing block and an oil tank, wherein the bearing is arranged on the axle; the lubricating device is characterized in that at least one side of the bearing is provided with an oil suction device along the axle direction; the bearing block is provided with an oil inlet and an oil outlet at one side of the axle provided with a worm gear and at the opposite side respectively; the oil inlet and the oil outlet are respectively connected with the oil tank by an oil pipe; the lubricating device has the advantages that lubricant can be continuously supplied and added again without dismantling an assembled bearing, thus being convenient, saving time, increasing production efficiency and guaranteeing thebearing to be fully lubricated; simultaneously by the rotation of the worm gear, oil can circulate in the whole device, enter the oil tank from an oil inlet pipe and return to the oil tank again froman oil outlet pipe; heat generated by the oil that the oil tank gives off is utilized for reducing high temperature caused by high-speed rotation of the axle, thus reducing friction and prolonging the service life of the axle; moreover the lubricating device has simple structure, convenient operation and is particularly applicable to devices with large bearings.

The casting method with hollow mold is an improved solid mold casting method, which has reduced carbon generation, improved carbon exhaust and reduced recarburization of casting by means of one or several measures of improving casting mold, exhausting gas to reduce pressure and setting reasonable casting system.

The invention relates to a deacidification type organic silicone adhesive and a preparation method thereof. The raw materials of the deacidification type organic silicone adhesive comprise alpha, omega-dihydroxydimethylpolysiloxane, hydrotalcite, filler, a plasticizer, a crosslinking agent and a catalyst, the deacidification type organic silicone adhesive has excellent adhesion and low corrosion to adhered materials, the volatile matters of the used raw materials are few, and meanwhile the deacidification type organic silicone adhesive also has efficient, environmental-friendly, nontoxic and halogen-free flame retardant properties..

The present invention refers to a pharmaceutical formulation for injection comprising fluorescent nanoparticles as in vivo diagnostics. The present invention relates to an injectable pharmaceutical formulation for human medicine and/or veterinary use, comprising 17% to 20% per weight of poloxamer 407 and 3%-15% per weight of poloxamer 188, 0.10 nM to 10.0 μM fluorescent nanoparticles and water or an aqueous buffer, wherein the pharmaceutical formulation is liquid at 4° C.-32° C. and forms a gel at about 37° C., their use as an in vivo marker and methods of their preparation. The inventive formulation is useful for local control and prevention of spreading/diffusion of nanoparticles, and thus allows full utilization of their quantum physics properties for example as a tool to enable surgical precision of tumor removal; even without tumor specific epitope binding antibodies.

The invention relates to a cooling system of a novel hydrogen energy automobile fuel cell stack. The cooling system comprises a hydrogen fuel cell stack, a thermal management controller, a heat sink,a water temperature sensor, a water pump, a temperature sensor, a first compressor, an evaporator, a second compressor, a condenser and an expansion valve, wherein the heat sink, the water temperaturesensor and the water pump form a water-cooling circulation loop by a first pipeline, the evaporator, the second compressor, the condenser and the expansion valve form a refrigerant circulation loop by a third pipeline, a low-temperature condensation liquid required by the evaporator is generated, the first compressor, the evaporator and the hydrogen fuel cell stack form an air-cooling circulationloop by a second pipeline, the thermal management controller is used for receiving signals of the water temperature sensor and the temperature sensor and performing water-cooling or air-cooling processing on the hydrogen fuel cell stack, meanwhile, the heater on the second pipeline can be used for providing hot air for the hydrogen fuel cell stack when the temperature is excessively low, so thatthe temperature is rapidly raised to a normal working temperature, the energy consumption is reduced, and the working efficiency is improved.