705results about How to "Uniform flow" patented technology

An apparatus and method of circulating a heat-absorbing material within a heat exchanger. The apparatus comprises a manifold layer coupled to an interface layer. The manifold layer comprises an inlet manifold and an outlet manifold. The interface layer comprises a plurality of channels that extend from the inlet manifold, toward a heat-exchanging plane, and turn away from the heat-exchanging plane, terminating at the outlet manifold. The plurality of channels are stacked in a plane non-parallel to the heat-exchanging plane. Each of the channels is adjacent to another, thus allowing heat radiated from a heat-generating device to be conducted to a cooling material circulating within the channels, away from the heat-generating device. Preferably, each of the channels has a U-shape or an elongated U-shape.

The present invention provides apparatus and methods for controlling flow dynamics of a plating fluid during a plating process. The invention achieves this fluid control through use of a diffuser membrane. Plating fluid is pumped through the membrane; the design and characteristics of the membrane provide a uniform flow pattern to the plating fluid exiting the membrane. Thus a work piece, upon which a metal or other conductive material is to be deposited, is exposed to a uniform flow of plating fluid.

The invention relates to an implementation system for cloud calculation and cloud service of road traffic information based on a technology of internet of things. The system comprises a vehicular GPS (global positioning system) arranged on a mobile vehicle, a GPS satellite, a GPS base station, a relay station and an information center, wherein the information center comprises a data storage server used for receiving and storing the data of the GPS on the mobile vehicle, a cloud calculation server used for sensing the traffic state, a road traffic information platform server used for providing the cloud service of the traffic information and a GIS (geographic information system) server; and the invention provides an implementation method for cloud calculation and cloud service of the road traffic information based on the technology of the internet of things. According to the invention, the road information acquisition and the road information service are integrated, the traffic detection for existence of any vehicle is realized, the detection and sense of a road traffic system in large scale are realized, and the traffic state is evaluated, guided and controlled based on the data, thereby providing the real-time road condition information and navigation service to a traveler.

A reactant vapor distribution assembly for Chemical Vapor Deposition (CVD) apparatus which includes an upper flange which has a plenum disposed on its lower face and vapor injectors for injecting reactant vapors into the plenum. The distribution assembly also includes a lower flange having a peripheral rim surrounding a lower wall and a plenum on its upper face, certain of the vapor injectors are used to inject reactant vapors into this plenum. The lower flange includes fluid channels bored in the lower wall beneath the plenum and a number of gas flow openings bored in the lower wall of the lower flange to permit the precursor gases to flow from the plenum into the deposition chamber. The fluid channels may be used to heat or cool the flange. The lower flange has no welds or joints facing the hostile environment of the deposition chamber and all critical parts of the lower flange may be formed from a single billet of material.

Apparatus and methods are provided for microchannel cooling of electronic devices such as IC chips, which enable efficient and low operating pressure microchannel cooling of high power density electronic devices. Apparatus for microchannel cooling include integrated microchannel heat sink devices and fluid distribution manifold structures that are designed to provide uniform flow and distribution of coolant fluid and minimize pressure drops along coolant flow paths.

The invention relates to a full-automation powder quantitatively feeding device which comprises a box body, a vibration feeding device, a weighing device and a feeding device body. The full-automation powder quantitatively feeding device is characterized in that the vibration feeding device comprises a material barrel, a feeding pipe, a material groove and a vibration feeder. The material barrel is arranged above the box body, one end of the feeding pipe is connected with a lower outlet end of the material barrel and the other end of the feeding pipe penetrates into the box body through an opened hole above the box body. A sensor is arranged on the wall of the feeding pipe and controlled by a PLC. The material groove is formed below the feeding pipe and installed in the vibration feeder. The weighing device is located below an outlet of the material groove. The feeding device body is located below the weighing device. The full-automation powder quantitatively feeding device is high in feeding speed and accurate in weighing.

The invention discloses an urban road network path planning method for the non-global information and improves efficiency of the urban transportation network through balancing the traffic network flow. A path planning method in the prior art can only calculate the best path for a single vehicle or requires more information and assumptions. In response to the above problems, through periodically monitoring state changes of road segments, intelligently learning and evaluating current road segment congestion indexes and constructing a PST model, the A*R algorithm is utilized for path selection, so the road network state is made to be in a flow balancing state. The method is advantaged in that a large number of experiments show that the method can more effectively balance the traffic network flow and alleviate traffic congestion in the scene with relatively a large number of vehicles and has a good performance in reducing the average driving time and the average driving distance, in addition, the method can significantly improve traffic congestion even when relatively lots of vehicles in the road network do not accept path planning navigation.

A truncated dummy plate which is suitable for promoting substantially uniform flow of process gases among all regions on the surface of a substrate to facilitate deposition of a film having uniform thickness on the substrate. The truncated dummy plate has a circular shape with a flat edge provided in the curved edge of the dummy plate. At least two, and preferably, about three or four of the dummy plates are positioned in the sites on a wafer boat which are in relatively close proximity to a gas outlet in a process furnace typically during a LPCVD process carried out in the furnace. The flat or truncated edges of the dummy plates are disposed on the gas inlet side of the process chamber, with the round edges of the dummy plates disposed on the gas outlet side of the process chamber.

A dialyzer module utilizing a nano-porous ceramic membrane for enhanced hemodialysis performance, and a method for manufacturing the same, are provided. The dialyzer module may be utilized in an extracorporeal blood circuit together with pumps, monitors, and/or other components used for dialysis therapy. The one or more nano-porous ceramic tubes that serve as the hemodialysis membrane may comprise aluminum oxide (alumina) or titanium oxide (titania) tubes manufactured by the anodization of aluminum (Al) or titanium (Ti) tubes in an appropriate acid solution. The nano-porous ceramic tubes may be produced with a nano-porous wall structure having an average pore diameter of approximately five to ten nanometers (run). The nano-porous ceramic tubes exhibit a uniform pore size, uniform pore distribution, high porosity, and high hydraulic conductivity, enabling the removal of more middle and large molecular weight solutes to achieve a performance more comparable to that of an actual kidney while, at the same time, reducing the undesirable loss of important macromolecules such as albumin.

A method and system is described for treating a substrate with a supercritical fluid using a high temperature process. For example, when the supercritical fluid includes carbon dioxide in a supercritical state, the high temperature process is performed at a temperature approximately equal to and exceeding 80 degrees C., which is greater than the critical temperature of approximately 31 degrees C.

A uniform leakage flow device for the slip point of piping systems, and particularly in reactor pressure vessels, selectively imposes a steady, uniform flow of fluid through the slip joint between two adjacent pipe surfaces to thereby eliminate the detrimental flow-induced vibration associated with the unsteady and non-uniform leakage of fluid through the slip joint field. The uniform leakage flow device comprises a plurality of axial grooves that are formed in the wall surface of the slip joint.

The invention discloses a W-shaped rib channel cooling structure suitable for a turbine blade backside cooling cavity and belongs to the field of turbomachinery design. The structure comprises a blade backside cooling cavity, inclined diversion fins, linear diversion fins and flow blocking fins; a plurality of rows of inclined diversion fins on the inner wall of the blade backside cooling cavity are distributed in a W-shaped manner; the linear diversion fins are arranged in a space between the last row of inclined diversion fins and blade tailing edge split seam; and a W-shaped cooling channel is formed by a space defined by the inclined diversion fins, linear diversion fins and the inner wall of the blade backside cooling cavity. According to the W-shaped rib channel cooling structure, the W-shaped rib channel cooling structure is arranged in the blade backside cooling cavity, the rib channel has diversion and acceleration effects on an inner fluid, and simultaneously the blades are reinforced with the arrangement of W-shaped fins. Besides, the structure is simple and reasonable in design, and is suitable for the internal cooling system of turbine blades of a gas turbine.

The invention discloses a creel device of a yarn dyeing machine with an ultra-low bath ratio, which comprises a sand table, a suspender and a yarn rod, wherein the upper surface of the sand table is in a disk shape; the lower end of the sand table is in a cavity structure; the yarn rod is in a hollow barrel structure; a water drum is arranged in the barrel of the yarn rod and is in a hollow or solid columnar structure; the center line of the yarn rod and the center line of the water drum are same; the ratio of the hollow internal diameter of the yarn rod and the external diameter of the waterdrum is 10:7-9; and the barrel of the yarn rod is evenly provided with a plurality of water outlets along the circumference of horizontal cross sections of different heights. The hollow barrel of theyarn rod disclosed by the invention is provided with the water drum, which is favorable for reducing the volume of dye liquor in the yarn rod and for reducing a water bath ratio; under the same main pump power, the water drum is favorable for improving the practical lift of a pipeline relatively, the flow rate of the dye liquor in the yarn rod is improved, the levelling property of cheeses of upper layers and lower layers can be better guaranteed, and the one-time success rate for dyeing is improved; and from the bottom to the top, the water outlets on the barrel of the yarn rod at the outer side of the water drum are thicker at the higher place of the yarn rod, which is favorable for realizing the purpose of even dye transfer.

The invention relates to an electrical parameter test system of tri-axial compression gassy coal and rock masses, the problems that the electrical parameters of coal and rock masses in a gassy state can not be detected, seepage of filled gas is uneven in the coal and rock masses, and when confining pressure is loaded, oil leaks in a device, and the pressure can not be stable are effectively solved. The technical scheme is that a sealing cylinder is added, a rubber sleeve in a special shape serves as the device for separating a test sample and hydraulic oil, when the rubber sleeve bears the confining pressure, two ends of the rubber sleeve expand towards a seal pot cover to play a role in sealing, and the confining pressure is stabilized. A circular steel gasket is added between an insulating plate and a pressure head, one face of the gasket is in a concave shape, a row of small holes are formed in the gasket at intervals of each 45 degrees, the small holes are evenly distributed in the whole circular gasket, the circular gasket is used for distributing gas evenly on the end face of the test sample and enabling the gas to permeate the test sample evenly along with the filling of the gas. The electrical parameter test system of the tri-axial compression gassy coal and rock masses is simple and novel in structure and easy to manufacture, the used rubber sleeve is durable and convenient to use, and good in sealing effect and is a major innovation of various parameter and the property test of loaded gassy coals, and the effect is significant.

The invention relates to a dripping arrow irrigation automatic control system, a manufacturing method of the dripping arrow irrigation automatic control system and a dripping arrow irrigation method. The dripping arrow irrigation automatic control system consists of a reservoir, a water pump, a water level sensor, a conveying main pipeline, a fertilization pipeline, a conveying branch pipeline, a temperature sensor, a main controller, a start controller, a water taking pressure gauge, an electromagnetic valve, a suction and exhaust valve, a fertilization control valve, a filter and a water conveying pressure gauge; the reservoir is arranged at the initial end of the conveying main pipeline; the water level sensor is arranged in the reservoir; the water level sensor is connected with the main controller; the water pump is arranged on the reservoir and is used for drawing a water source in the reservoir; the water taking pressure gauge, the electromagnetic valve, the suction and exhaust valve, the fertilization control valve, the filter and the water conveying pressure gauge are sequentially arranged on the initial section of the conveying main pipeline; the fertilization control valve is mounted on the initial section of the conveying main pipeline; a fertilizer is uniformly conveyed into the conveying main pipeline by the fertilization conveying pipeline. The dripping arrow irrigation automatic control system is scientifically designed, has a reasonable structure and uniform flow, is reasonable in system arrangement, is stable in pressure in the pipelines, has wide applicability and has a wide application range; a dripping arrow takes effects of a water dropper and an insertion arrow, has a small size and high intensity, has powerful use functionality and is convenient to mount and use.

The invention relates to a pouring device, in particular to a pouring device controlled by a robot. The pouring device comprises a rack which is internally provided with a driving motor, a speed reducer, a transmission shaft and an input shaft in sequence from top to bottom. One end of the input shaft is provided with a pouring ladle. The transmission shaft is connected with the input shaft through a conical gear transmission structure. After kinetic energy provided by the driving motor is subjected to speed reduction through the speed reducer, the transmission shaft is driven to rotate, and the input shaft is driven by the conical gear transmission structure to rotate so that the pouring ladle can be driven to rotate and the pouring technology can be performed. A first conical gear and a second conical gear with the transmission ratio being 1:1 can be kept rotating at the same speed, and therefore the molten aluminum ladling action can be stably achieved; due to cooperation of a liquid level detection probe and a limiting detection probe, molten aluminum ladling precision is higher. Because molten aluminum is very high in temperature during casting, a compressed air cooling pipeline and a draught fan are used for continuously cooling the molten aluminum pouring device, radiated heat is reduced, and the pouring device is suitable for high-temperature occasions.

The invention discloses a hearth temperature advanced control method for a multi-nozzle opposed coal water slurry gasification furnace. The method comprises the following steps of: controlling oxygen-coal proportion of the gasification furnace; controlling temperature of a hearth of the gasification furnace and performing balancing control of nozzles; and controlling temperature of the hearth. Byadopting the gasification furnace hearth temperature control scheme, the problems of large oxygen-coal proportion fluctuation of a basic control loop, flow unbalance of four paths of nozzles and deflective flame spouting can be solved; the temperature of the hearth can be stabilized at a set value, the oxygen-coal proportion of each path of nozzle is coordinated and deflective spouting is avoidedunder the conditions of frequent changing of coals and flow fluctuation of the coal water slurry; therefore, running period of the gasification furnace is obviously prolonged and economic benefit of the coal gasification device is increased.

The invention discloses a fast roaming method for a multi-gateway terminal in a wireless local area network. A data packet sent to an outer network by an STA (station mobile terminal) is intercepted, the intercepted data packet is sent to an MPP (Mesh Portal Point Mesh gateway node) node with the optimal communication condition, the MPP node forwards the data packet to the outer network, and therefore the time delay of the data packet sent to the outer network by the STA is shortened. The fast roaming method is suitable for a wireless Mesh network scene with multiple MPP nodes used. The fast roaming method can be applied to other wireless Mesh networks with multiple MPP nodes used so as to shorten the Internet surfing time delay of the STA. The method reduces the load in the Mesh network, shortens the time delay of the data packet, sent to the outer network, of the STA and increases the Internet surfing speed of a user.

A system for charging power source of a recipient electric vehicle using an accelerated charge flow from a power source of a donor vehicle, the system comprising; recipient power source provided with an accessible recipient charge receptacle; donor power source provided with an extendable donor charge receptacle adapted to resiliently engage the recipient charge receptacle; a pack controller, in each donor and recipient vehicle, electrically connected to the acceptor and donor power sources and adapted to combine the functions of a battery pack protection circuit, battery charger, current and voltage regulator, a data monitor and a communication circuit associated with the charge transfer from the donor to acceptor vehicle facilitating regulated and informed power transfer; and a buck-booster electrically connected to the recipient and donor receptacles of the battery in each vehicle, configured to balance relative electrical potentials of the donor to the recipient vehicle.

A flow controller is disposed between a preburner section in a diffuser and prior to the main fuel injector and catalytic sections in a turbine combustor. The flow from the burner section is typically not uniform in temperature and velocity and the flow splitter renders the flow substantially uniform at the fuel injector and catalyst inlet. The flow splitter comprises substantially equal mass annular flow areas defined by a first outer frustoconical element and the diffuser wall, a second element defining with the first element a second annular area and a central bluff disk defining with the second element the interior annular area. Vanes are provided on the flow splitter to enhance turbulent flow and substantially preclude swirling flow. As a result, flow uniformity at the catalyst inlet and main fuel injection is achieved.

The invention discloses a portable nursing pad containing a polylactic acid fiber and a preparation method thereof. A conventional nursing pad has a relatively long processing flow, and the long production process wastes a lot of manpower, material resources and financial resources. The nursing pad is composed of an upper-layer assembly body and an impermeable bottom layer, wherein the upper-layer assembly body is composed of a surface layer composed of a polylactic acid fiber net, a flow-guiding moisture-absorption layer composed of a water-repellency bicomponent fiber and a superabsorbent fiber net, and an absorption layer composed of a hydrophilic bicomponent fiber and a superabsorbent fiber net, and the three layers are subjected to hot melt compounding to form a whole; the upper layer and the impermeable bottom layer are subjected to hot melt adhesive compounding to form a whole. The prepared nursing pad has the characteristics of short process flow, good molding, bacteriostasis, deodorness, gas permeation and dryness, does not produce lumps and allows powder not to fall off in a use process, and is an ideal material for preparing disposable medical treatment health supplies.

A filter module utilizing a nano-porous ceramic membrane is provided for various applications including, but not limited to, enhanced hemodialysis performance, the removal (or separation) of cryoprotectant from biological materials, the separation of blood components (e.g., plasmapheresis), and controlling the concentration of cells in a biological fluid solution.

The instant invention relates to an apparatus and method for enhancing the fire extinguishing properties of water for use with fire fighting aircraft. The apparatus and method includes the steps of, and equipment for, transferring media into a holding tank in aircraft; filling a reservoir hopper with water in the aircraft; calculating the amount of media to be added to the reservoir; drawing the calculated amount of media into the reservoir to form an enhanced fire fighting admixture while the aircraft is in flight, wherein the admixture is offloaded by a controlled discharge for use in fighting forest fires.

The invention provides a liquid flow frame of a Fe/Cr flow battery and an electric pile consisting of the liquid flow frame. A runner for flowing of an electrolyte is formed in the liquid flow frame and comprises a sharing channel, two snakelike runners, uniform-distributing tanks, horn mouths and uniform-flowing tanks, wherein the electrolyte flows into single batteries through the sharing channel and flows into the snakelike runners through runners in a pole plate, multiple horn mouths are formed in the tail end of each snakelike runner, and all the horn mouths are communicated to the uniform-flowing tanks. A battery pile is formed by multiple single batteries through series connection, wherein each single battery comprises a positive electrode, a negative electrode, a diaphragm, a positive electrode electrolyte and a negative electrode electrolyte, the positive electrode consists of a bipolar plate and a carbon felt and is arranged in the liquid flow frame, and four sides, opposite to the liquid flow frame, of the bipolar plate are surrounded by a package type sealing structure.

The invention provides a double airflow supersonic plasma spray gun comprising a cathode rod, an arcing intermediate pole, an acceleration intermediate pole and an anode. Theanode is provided with a powder feeding mouth. The arcing intermediate pole, the acceleration intermediate pole and the anode are internally and coaxially provided with cavity channels which are communicated with each other and used for penetration of plasma airflow. The cathode rod is arranged in an insulated rear base. One end, which is close to the arcing intermediate pole, of the cathode rod is provided with a tungsten cathode and an argon gas distribution ring which is used for piping of argon. The insulated rear base is internally provided with a high frequency generator connector and an argon input channel which is communicated with the argon gas distribution ring. The arcing intermediate pole and the acceleration intermediate pole are arranged on an intermediate pole base, and an air gas distribution ring used for piping of mixed gas formed by air and combustible gas is arranged between the arcing intermediate pole and the acceleration intermediate pole. A problem of short service life of the cathode of pure air supersonic plasma equipment is solved, and production cost is greatly reduced in comparison with that of pure argon supersonic plasma equipment. Besides, plasma temperature and speed can be adjusted through ratio of air to combustible gas so that technology performance is high.