44results about How to "Improve heat removal effect" patented technology

A refrigerant system is provided with a multi-stage compression system. An intercooler is positioned between at least two compression stages to cool a refrigerant, by heat transfer interaction with a secondary fluid, after it has been compressed in the lower compression stages to some intermediate pressure. The intercooler enhances refrigerant system performance, improves compressor reliability, and extends operational envelope. Further, at least one economizer circuit is incorporated into the refrigerant system that returns the economized refrigerant flow at the location between at least two compression stages.

A shutter having at least one coolant passageway, a plurality of ribs extending internally into the coolant passageway. The shutter may be a component of a shutter assembly in a UV module for curing UV-sensitive ink. These ribs may improve heat removal from a UV module in which the shutter is installed. Another advantage is that the shutter of this invention may have a lower weight with consequent advantages of lighter weight, reduced manufacturing costs, and reduced drive train wear.

The invention relates to an air diverter for a vehicle cooling system. There is a need for an improved vehicle cooling system. An air diverter is provided for a vehicle cooling system having a radiator, a fan for moving air through the radiator and a cooling unit positioned in front of the radiator with respect to air moving through the radiator. The fan is surrounded by a fan shroud. The air diverter includes a collector and a conduit. The collector is positioned between the cooling unit and the radiator. The collector receives a portion of air which passes through the cooling unit. The conduit extends around an edge of the radiator and communicates air from the collector to the interior of the fan shroud while bypassing the radiator.

The invention discloses a multi-loop coupled heat conduction passive waste heat discharging system test simulation device which comprises a reactor simulation body and loop system, a passive waste heat discharging system and a seawater system, wherein the reactor simulation body and loop system is used for simulating a thermodynamic state of a reactor in a shut-down or working accident state; thepassive waste heat discharging system is used for discharging heat generated by the reactor simulation body and loop system, and transmitting the heat to the seawater system through an emergency condenser; the seawater system is used for simulating seawater input and bringing away and discharging the heat of the emergency condenser. According to the multi-loop coupled heat conduction passive wasteheat discharging system test simulation device, in a process that steam generated on a secondary side of a waste heat discharging heat exchanger is discharged into the emergency condenser for coolingthrough a natural circulating pipe to form under-heating water, a waste heat discharging loop control valve is added, so that waste heat discharging situations under various working conditions can besimulated; the waste heat discharging loop control valve can be used for adjusting different discharging resistances.

A heat spreader (100) includes a metal casing (60) formed by electrodeposition and defining a vapor chamber (40) therein, and a mesh (12b) lining an inner surface of the metal casing. A method for manufacturing the heat spreader includes: providing a core (60a) having a mesh layer (12a) including a plurality of pores and a filling material (14) filled in the pores of the mesh layer and a major space enclosed by the mesh layer; electrodepositing a layer of metal coating (60b) on an outer surface of the core; removing the filling material from the coating layer and the pores of the mesh layer; and filling a working fluid into the coating layer and hermetically sealing the coating layer to thereby obtain the heat spreader with therein a wick structure (12) formed by the mesh layer and the vapor chamber formed by said major space.

A power transfer unit includes a non-parallel gear set and a parallel gear set integrally packaged within a housing. The housing includes an extension portion that connects the power transfer unit to a transmission assembly. The extension portion is formed having a structural web with one or more cavities. These cavities include inner cavities that define a portion of the interior volume of the housing and may also include outer cavities that open to the outer side of the housing. The web between cavities provides structural rigidity for the power transfer unit, while the cavities minimize the weight of the power transfer unit.

In a particular embodiment, a cooling system contains a compressor configured to compress a refrigerant, a high side heat exchanger configured to remove heat from the refrigerant, and a load configured to cool a space using the refrigerant. The high side heat exchanger has a frame and one or more refrigerant tubes extending through the frame, wherein each refrigerant tube has at least one cavity configured to allow the refrigerant to flow through the refrigerant tube. The high side heat exchanger is configured to remove heat from the refrigerant as the refrigerant flows through the one or more refrigerant tubes. The high side heat exchanger also has one or more heat pipes contacting the frame that, collectively, bear at least 25% of the weight of the one or more refrigerant tubes, are coupled directly to the frame, and are configured to remove heat from the flowing refrigerant.

A liquid cooler including a heat sink. A hollow body is produced by extrusion having at least one flat outer surface between a first and a second end. At least one elongated cavity passes through the body from the first to the second end. The hollow body includes a plurality of parallel fins directed into and along the at least one cavity. An insert housed in the at least one cavity connects the tops of the fins in a fluid-tight manner thereby forming liquid channels for a coolant liquid between the insert and the hollow body. A lid is attached at both ends of the hollow body for forming a liquid cooling system.

The invention discloses an auxiliary condenser. A cooling fin is arranged on a compression pipeline, higher than or horizontally coplanar with a condenser, between a compressor and the condenser and is communicated with a spare water pipe; and a sunshade device is arranged on the upper part of the spare water pipe. The auxiliary condenser provided by the invention has the effects of reducing the load of the condenser, increasing the refrigeration efficiency of a refrigeration system, saving energy and guaranteeing the long-term high-efficiency operation of a system; the sunshade device not only can be used for sunshading but also is beneficial to cold-hot air convection and can be sued for reducing the temperature of the cooling fin by using rainwater; due to the design of the spare water pipe, when the ambient temperature is overhigh and the condenser works difficulty and is bound to operate continuously, a heat removal effect of the auxiliary condenser can be enhanced by opening the spare water pipe; in addition, the auxiliary condenser has the advantages of simple structure, convenience in use, low manufacture cost and suitability for large-range popularization and application.

The invention discloses a waterproof soft cushion for a mobile phone battery cover. The damping plate comprises a base plate layer, side pads, silica gel pads, cushioning pads, top grooves, matching holes, gaskets, waterproof strips, moisture absorption layers, inner grooves, bottom grooves and damping grooves. An inner groove is formed in the inner side of the substrate layer; waterproof strips are evenly attached to the interior of the inner groove. a moisture absorption layer is adhered to the outer side of the waterproof strip in the inner groove; a bottom groove is formed in the side edgeof the port of the inner groove in the inner side of the substrate layer; the waterproof structure and the heat dissipation structure of the mobile phone battery cover waterproof soft cushion can bepartially replaced; when the device fails, the whole device does not need to be replaced; materials are saved, meanwhile, the battery cover is extruded and attached to the side pads and the cushioning pads during installation to achieve the damping protection effect, the waterproof strips achieve the good waterproof effect, the moisture absorption layer absorbs moisture in a machine body to guarantee normal use of the battery, and the silica gel pad achieves the heat conduction effect to improve the heat dissipation effect of the battery and is suitable for all mobile phones and high in universality.

The invention belongs to the field of plant cultivation and particularly relates to a plant cultivation device. The plant cultivation device is based on a central radiation mode. The plant cultivation device comprises a vertical cylinder-shaped plant cultivation frame, the plant cultivation frame is provided with multiple layers of cultivation grooves and a cylinder-shaped light source, and the light source is vertically arranged at the center of the plant cultivation frame. The plant cultivation device has the advantages that high light source space efficiency is achieved, natural lighting can be used, and light source heat is easy to manage.

The invention relates to the technical field of transformer application, in particular to a noise reduction device for dry-type transformers in workshops. It includes a housing, a temperature measuring mechanism and an electromagnetic mechanism. The housing is a box structure with a cover, and the housing includes a sound insulation layer; the side wall of the housing is provided with through ventilation holes; the temperature The measuring mechanism includes a temperature measuring bottle, a temperature measuring rod, a windshield and a magnet block, and the windshield can completely cover or completely open the ventilation hole; the electromagnetic mechanism includes a magnet rod, a solenoid, a rectifier and a metal rod. Through the comprehensive function of the temperature measuring mechanism and the electromagnetic mechanism, the present invention automatically adjusts the exposed area of ​​the ventilation hole after measuring the relative strength of the heat dissipation requirement and the noise reduction requirement of the dry-type transformer, which can take into account both the noise reduction requirement and the ventilation requirement of the transformer. cooling needs.

The invention discloses an air guide ring and an air conditioner outdoor unit, which relate to the technical field of refrigeration devices. The air guide ring and the air conditioner outdoor unit are invented to solve the problem of generation of turbulence noise since the edge of an air outlet of the air guide ring in the prior art generates whirl airflow. The air guide ring comprises an air guide ring main body; the air guide ring main body encircles to form an air guide duct, the air guide ring main body comprises an outer layer side wall and an inner layer side wall, an annular air guide groove is formed between the outer layer side wall and the inner layer side wall, one end of the annular air guide groove close to the inlet of the air guide duct is closed, and one end of the annular air guide groove away from the inlet of the air guide duct is open. The air guide ring can be used for guiding the airflows generated by an axial flow fan.

The invention discloses a quick positioning installation assembly of a communication terminal device, and relates to the field of communication terminal installation assemblies. The quick positioning and installation component of the communication terminal device includes a wall plate and a communication terminal main body, the front of the wall plate is fixedly connected with an installation positioning plate by bolts, and the front center of the installation and positioning plate is fixedly connected with a snap seat back plate, and the snap seat back A bottom plate is fixedly connected to the front and lower end of the board, vertical blocking bars are fixedly connected to both sides of the top of the bottom plate, a terminal backboard is fixedly connected to the back of the main body of the communication terminal, and a docking plate is fixedly connected to the back of the terminal backboard by bolts. The communication terminal main body of the rapid positioning and installation component of the communication terminal device can be disassembled and assembled repeatedly, without affecting the fixing stability, and without the phenomenon of bolt slippage, which can ensure the stable use of the communication terminal main body, and achieve corresponding The alarm standby state is convenient for inspection and maintenance, so that the main body of the communication terminal is not prone to failure.

In a particular embodiment, a cooling system contains a compressor configured to compress a refrigerant, a high side heat exchanger configured to remove heat from the refrigerant, and a load configured to cool a space using the refrigerant. The high side heat exchanger has a frame and one or more refrigerant tubes extending through the frame, wherein each refrigerant tube has at least one cavity configured to allow the refrigerant to flow through the refrigerant tube. The high side heat exchanger is configured to remove heat from the refrigerant as the refrigerant flows through the one or more refrigerant tubes. The high side heat exchanger also has one or more heat pipes contacting the frame that, collectively, bear at least 25% of the weight of the one or more refrigerant tubes, are coupled directly to the frame, and are configured to remove heat from the flowing refrigerant.

The invention relates to cigarette paper manufacturing technology and aims to provide a method for preparing heat-not-burn cigarette paper containing boron nitride thermally conductive filler. The present invention improves the pulp preparation in the conventional cigarette paper papermaking process: mixing potassium oleate, polyvinyl alcohol and water, stirring evenly under ultrasonic conditions, and filtering until there is no precipitation after aging; mixing the obtained mixed solution with softwood pulp and hardwood pulp are uniformly mixed to obtain coarse pulp; under stirring conditions, boron nitride and calcium carbonate fillers are added to the coarse pulp, the temperature is raised to 60°C, and the mixture is stirred until fully mixed to obtain pulp for sizing and papermaking. The invention starts from improving the thermal conductivity of the paper, and effectively improves the stability of the cigarette paper. Boron nitride is used as a thermally conductive filler in thin-walled or paper products to give it a higher heat dissipation capacity; it not only maintains the original whiteness and transparency of cigarette paper, but also has higher conductivity; it adjusts the combustion performance of cigarette paper, Adapt the burning rate of cigarette paper and cut tobacco.

The invention provides an efficient passive spent fuel pool cooling system adopting a jet technology, and belongs to the field of nuclear power plant safety. The system comprises a jet subsystem, a heat exchanger inlet pipe section, a water space heat exchanger, a gas space heat exchanger, a heat exchanger outlet pipe section, a chimney and related pipeline values. When the temperature of a spentfuel pool is higher than a warning value, the system puts into operation automatically, air outside a fuel plant is injected through high pressure gas ejected by a high pressure gas storage tank in the jet subsystem, or water inside a water storage tank and air outside the fuel plant are injected at the same time, and powerful driving force is provided for a cooling loop while the total quantity of a cooling fluid is increased. When the water or gas inside the subsystem in the jet subsystem is used up, the system still can form passive natural circulation in virtue of the density difference ofair in cold and hot sections, and long-term cooling is carried out on the spent fuel pool, so that effectively passive cooling of the spent fuel pool in 3 to 6 days or even longer time can be guaranteed in accident conditions and when an external power supply is lost.