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69 results about "Liquid vapor" patented technology
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Slurry hydrogen storage fuel cell system
The invention discloses a slurry hydrogen storage fuel cell system, which comprises: a hydrogen storage slurry circulation module for storing and circulating a slurry hydrogen storage material; the slurry hydrogen storage material comprises organic liquid and metal hydride; the fuel cell adopts a liquid metal anode; the fuel cell comprises an anode inlet and an anode outlet; a separator for separating the anode discharge; the metal hydride powder feeder is used for supplementing metal hydride powder to the hydrogen storage slurry circulating module; wherein the slurry hydrogen storage material reacts on a liquid metal anode interface to generate electric energy and form organic liquid vapor; and the organic liquid vapor is discharged into the separator from the anode outlet, is separated, is conveyed into the hydrogen storage slurry circulating module, and is mixed with the metal hydride powder from the metal hydride powder feeder to form a slurry hydrogen storage material. According to the invention, direct power generation of the slurry hydrogen storage material on the fuel cell anode interface is realized, and the power density of the system is greatly improved.
Owner:SHANGHAI INST OF SPACE POWER SOURCES
Immersed heat dissipation structure based on porous film evaporation phase change
PendingCN119997433ASemiconductor/solid-state device detailsSolid-state devicesHeat flowThin membrane
The invention discloses an immersed heat dissipation structure based on porous film evaporation phase change, and belongs to the field of chip heat dissipation, and the structure comprises a heat dissipation module which is used for bearing a server assembly and providing a heat exchange environment; the condensation module is used for converting electronic fluorinated liquid steam generated by partial heat dissipation of the case into electronic fluorinated liquid; the filtering module is used for filtering and purifying the electronic fluorination liquid converted by the condensing module to remove impurities in the electronic fluorination liquid; the liquid storage module is used for storing the electronic fluorination liquid purified by the filtering module and providing the electronic fluorination liquid for a heat dissipation loop; the pressurizing module is used for providing power for the electronic fluorinated liquid; and the control module is used for collecting and processing parameter data of temperature, pressure and flow in the heat dissipation loop and adjusting the parameter data according to preset values. By the adoption of the structure, the problems that the cost is high due to the fact that the heat dissipation critical heat flux density of an existing two-phase immersed server case is low and the demanded quantity of fluorinated liquid is large, and the operation reliability of a server is affected by pressure fluctuation are solved.
Owner:XI AN JIAOTONG UNIV
Method for preparing three-dimensional graphene foam from organic silicon waste liquid, three-dimensional graphene foam and application
The invention discloses a method for preparing three-dimensional graphene foam from organic silicon waste liquid, the three-dimensional graphene foam and application, and the preparation method comprises the following steps: (1) preheating and evaporating the organic silicon waste liquid to obtain organic silicon waste liquid steam, and mixing the organic silicon waste liquid steam with water vapor to obtain organic silicon waste liquid steam; then hydrolyzing in an inert atmosphere with a carrier gas flow rate of 100-1000 sccm, cooling, filtering to obtain synthesis gas, and passing the synthesis gas through an alkaline substance to obtain purified synthesis gas; (2) introducing the purified synthesis gas into a reaction furnace, carrying out a chemical vapor deposition reaction by taking foamed nickel as a substrate to obtain a three-dimensional graphene foam initial product and hydrogen-rich synthesis gas, and then preparing the hydrogen-rich synthesis gas on the surface of the three-dimensional graphene foam initial product according to the dosage per unit area of 0.2-1.0 mL / cm < 2 >, an anisole solution proppant of polymethyl methacrylate with the mass content of 5%-10% is coated, and then the three-dimensional graphene foam is obtained through acid etching. The three-dimensional graphene foam prepared by the method has excellent conductivity, is suitable for the field of functional materials such as electromagnetic shielding materials, and has a good industrial application prospect.
Owner:ZHEJIANG UNIV
Wafer pre-wetting method and device
PendingCN121054564AElectrolysis componentsSemiconductor/solid-state device manufacturingVacuum pumpingWafer
The invention provides a wafer pre-wetting method and device, and the method comprises the steps: carrying out the vacuum pumping of a cavity, enabling the vacuum degree in the cavity to reach a preset value, and enabling the cavity to contain a wafer; vaporizing the liquid into vapor; and conveying the steam to the surface of the wafer, so that the steam enters the holes in the wafer and is condensed on the surface of the wafer to form a liquid adsorption layer. According to the wafer pre-wetting method and the wafer pre-wetting device, the gas in the holes in the wafer can be removed, so that the pre-wetting effect is improved in a vacuum environment; aiming at a high aspect ratio structure, the pre-wetting process time can be effectively shortened while the pre-wetting effect is ensured, and the productivity is improved; meanwhile, due to the good hole filling performance of vapor molecules, a pre-wetting process does not need to be carried out in a high-vacuum environment, the cavity vacuum treatment time is shortened, and the productivity is further improved; due to small interaction force between molecules in a vacuum environment, the average free path of the molecules is increased, the effective contact area of vapor molecules can be enlarged, and the wafer pre-wetting uniformity is improved.
Owner:ACM RES (SHANGHAI) INC
Coolant vapor handling for immersion-cooling systems
PCT designated stage expiredWO2025085479A1Printed circuit detailsSemiconductor/solid-state device detailsProcess engineeringChemistry
A bellows assembly and related methods are described. The bellows assembly can be used in a two-phase immersion-cooling system to regulate pressure in an immersion tank's headspace above a coolant liquid. The bellows assembly can include a flexible container and valves to reduce emissions of coolant-liquid vapor into an ambient environment. The bellows assembly can further include a drain port to recover coolant-liquid condensate. Also described are a dehumidifier and gas replacement system for use in an immersion cooling system. The dehumidifier can be fluidically coupled to a headspace of the immersion tank to capture and remove water molecules from inside immersion tank. The gas replacement system can supply a dry gas into the immersion tank to replace removed water molecules and other gases, such as oxygen, removed from the tank.
Owner:MTS IP HLDG LTD +6
Iron powder random hydrogen production device
An iron powder random hydrogen making device comprises an iron powder box, iron powder, an electrical bar, a machine shell, a purifier, a hydrogen storage tank, a cooler, a recovery valve, vaporizing liquid and the like, and is characterized in that the iron powder is filled in the iron powder box, the electrical bar is arranged in a chute of the machine shell and outside the bottom of the machine shell, the vaporizing liquid is filled at the lower part in the machine shell, and the purifier, the cooler and the hydrogen storage tank are communicated through pipelines. The working process is as follows: iron powder and vaporized liquid are simultaneously heated by the electrical bar in the rampway of the shell, vaporized liquid steam encounters the hot iron powder in the rampway of the shell to generate chemical reaction, and H2 and Fe3O4 are generated. H2 enters the hydrogen storage tank for later use after being treated by the cooler and the purifier, and Fe3O4 slides to the lower part in the shell and is recycled by the recycling valve. The vaporized liquid is mainly composed of water and a catalyst. Fe2O4 is an important chemical raw material for pigment, antirust paint, recording tape, radiation protection and the like. Iron powder made of scrap iron is used as a raw material, and the device for producing hydrogen by using the iron powder is a new technology in the field of producing hydrogen by using the iron powder and has zero pollution. Hydrogen which is produced and used at any time can replace diesel oil to drive vehicles, ships and the like. The raw materials are sufficient and cheap, the hydrogen production device is easy to manufacture and low in cost, the power cost is about half of that of diesel oil, and the market is large and long.
Owner:陈军
Medicine fumigation device
The invention discloses a medicine fumigating device which comprises a heating cylinder, a guide pipe and a fumigator. The fumigator comprises a fumigating base, a placing assembly, a spraying head and a driving assembly, an arc-shaped working groove is formed in the top of the fumigating base, a flow channel with a plurality of liquid outlets is formed in the fumigating base, and the heating cylinder communicates with the liquid inlets of the flow channel through guide pipes; the placing assembly is erected on the working groove and used for placing arms of a patient, the spraying heads are located in the working groove and communicate with the corresponding liquid outlets, and the placing assembly is provided with a ventilation structure; each driving assembly comprises a rotating seat and a rotating structure, the rotating seats are arranged in the working grooves, corresponding spraying heads are installed on the rotating seats, and one ends of the rotating structures penetrate through the fumigation base and the rotating seats and then are connected with the spraying heads so as to drive the spraying heads to rotate in the horizontal direction. The treatment pertinence and the utilization rate of liquid medicine steam are improved, and meanwhile, due to the fact that the adjusting angle of the spraying head is controllable, personalized treatment requirements can be met conveniently.
Owner:THE SIXTH AFFILIATED HOSPITAL OF SUN YAT SEN UNIV
A skid-mounted semi-enclosed cleaning apparatus and method of cleaning
The present application relates to the technical field of cleaning device, specifically a sliding type semi-closed cleaning device and a cleaning method, comprising: a cleaning mechanism; a protection mechanism arranged along the circumference of the cleaning mechanism, and the inner side of the protection mechanism is provided with a circumferential air pipe, the air outlet direction of the circumferential air pipe is inclinedly directed to the direction of the protection mechanism from top to bottom; and a bearing mechanism, the bearing mechanism is provided with a bearing position, the bottom of the bearing position is provided with an inclined liquid discharge surface, and the bottom of the liquid discharge surface is provided with a liquid discharge hole. Compared with the prior art, the present application has the advantages that: the cleaning of the to-be-cleaned objects on the work position can be realized, the air showering and air drying functions can be realized; the bearing mechanism has the function of automatically adsorbing the to-be-cleaned objects, and the absolute fixation of the to-be-cleaned objects can be realized; the cleaning liquid can be prevented from polluting other work positions and equipment; the rapid recovery of waste liquid can be realized, the waste liquid can be quickly extracted to prevent accumulation; residual gas can be extracted to reduce the influence on the external environment and prevent waste liquid vapor from polluting the working environment.
Owner:SHANGHAI RUIDU OPTOELECTRONICS TECH CO LTD
Window cleaning robot and operation method thereof
PendingCN120643144AAutomatic obstacle detectionTravelling automatic controlProcess engineeringMechanical engineering
The invention relates to the technical field of cleaning, and particularly provides a window cleaning robot and an operation method thereof. The cleaning device is used for cleaning the surface to be cleaned; the steam generating device is used for enabling the cleaning liquid to form cleaning liquid steam; the spraying head is arranged on the machine body; at least one of the cleaning device and the spraying head is used for spraying cleaning liquid steam. By adding the steam cleaning function to the window cleaning robot, the problem that oil stains and oil films are not suitable to be removed can be solved under the condition that no chemical cleaning agent is used, and the cleaning effect is greatly enhanced.
Owner:SHANXI JIASHIDA ROBOT TECH CO LTD
Cartridge of a stick-shaped aerosol-generating article for use with an inductively heating aerosol-generating device
A cartridge for a stick-shaped aerosol-generating article is provided, the article being for an inductively heating aerosol-generating device, the cartridge including: a vaporization chamber at a distal end portion of the cartridge to vaporize aerosol-forming liquid; a reservoir chamber proximal the vaporization chamber to store the liquid; a liquid-conveying susceptor arrangement to convey the liquid from the reservoir chamber into the vaporization chamber and to be inductively heated with the device in order to vaporize the liquid within the vaporization chamber; a vapor-conveying conduit providing a fluid communication for vaporized liquid from the vaporization chamber to a region proximal the reservoir chamber; a septum forming a common wall of the vaporization chamber and the reservoir chamber, the septum including a filling hole for filling the liquid into the reservoir chamber via the vaporization chamber; and a plug-shaped distal end cap forming a distal end wall of the vaporization chamber.
Owner:PHILIP MORRIS PRODUCTS SA
Encapsulated flexible electronics for long-term implantation
PendingUS20250213162A1Epicardial electrodesMaterial analysis by electric/magnetic meansEngineeringFlexible electronics
Provided are methods of making a liquid and liquid vapor-proof material, and relates long-term implantable electronic devices. The method comprises providing a first substrate having a first-side encapsulating layer supported by at least a portion of the first substrate; providing a material onto the first-side encapsulating layer; providing a second substrate having a second-side encapsulating layer supported by at least a portion of the second substrate; covering an exposed surface of the material provided onto the first-side encapsulation layer with the second-side encapsulating layer; wherein said encapsulating layers are substantially defect free so that liquid or liquid vapor is prevented from passing through each of the encapsulating layers; thereby making the liquid or liquid vapor-proof material.
Owner:NORTHWESTERN UNIV +1
Sulfide-based composite solid electrolyte membrane as well as full-dry preparation method and application thereof
The invention discloses a sulfide-based composite solid electrolyte membrane as well as a full-dry preparation method and application thereof, and the method comprises the following steps: (1) forming a lithium borate coating layer on the surface of a sulfide electrolyte by adopting an atomic layer deposition process to obtain coated powder; (2) adsorbing vinyl-containing ionic liquid steam by the coated powder to obtain adsorbed powder; (3) ball-milling and mixing the adsorbed powder, a fluorine-containing polymer binder and a photoinitiator to obtain mixed powder; and (4) maintaining the pressure of the mixed powder, and performing double-sided irradiation with ultraviolet light to obtain the sulfide-based composite solid electrolyte membrane. The sulfide electrolyte is subjected to surface coating through atomic layer deposition, and the full-dry preparation of the sulfide-based composite solid electrolyte membrane is realized on the premise of avoiding solvent contact in combination with gas phase adsorption polymerization and a hot pressing-ultraviolet synergistic curing process.
Owner:HUNAN YIHUA NEW ENERGY CO LTD +1
Olfaction detection device for rhinology department
The invention discloses a nasal olfaction detection device, which comprises a liquid storage cylinder and a test assembly, olfactory liquid is stored in the liquid storage cylinder, the top end of the liquid storage cylinder is provided with a pair of connecting seats, the opposite sides of the two connecting seats are connected with annular frames, the inner sides of the two annular frames are rotatably provided with clamping rings in a clamping manner, and the two clamping rings are connected through a rotating cylinder. The outer side of the rotating drum is communicated with a connecting pipe, the free end of the connecting pipe is connected with a moving seat through a telescopic pipe, the free end of the moving seat is communicated with a testing drum and a pair of inserting rods, and the outer sides of the two inserting rods are sleeved with blocking sleeves; the test assembly can block and paralyze the nasal cavity on the other side of the patient when the patient is subjected to single-side olfaction detection, and meanwhile, the impeller is arranged to guide volatilized olfactory liquid steam, so that the residual smell in the nasal cavity on the first test side is reduced, and the test precision is further improved.
Owner:SHENZHEN SECOND PEOPLES HOSPITAL (SHENZHEN INST OF TRANSLATIONAL MEDICINE)
Antibacterial and antiviral four-piece processing device
ActiveCN120797350BTextile treatment machine arrangementsLiquid/gas/vapor textile treatmentStructural engineeringAnti bacterial
The application discloses an antibacterial and antiviral four-piece processing equipment, relating to the technical field of textile equipment, which comprises a base piece, an outer shell, winding shafts, a material passing assembly, an evaporation assembly, a feeding assembly, a material pushing assembly and a first driving part, wherein the base piece comprises an outer frame, a limiting clamping plate and a sealing part, the limiting clamping plate is arranged on the outer frame, the sealing part is arranged on the outer frame, the outer shell is arranged on the outer frame, the winding shafts are in multiple groups, the multiple groups of winding shafts are rotatably arranged on the outer shell, the material passing assembly is arranged in the outer shell, the evaporation assembly is arranged on the outer frame, dyeing liquid vapor can be attached to the surface of the four-piece fabric, the feeding assembly is movably arranged on the outer frame, and the material pushing assembly is arranged on the outer frame. Thus, the solid dye can be uniformly evaporated and attached to the four-piece fabric during evaporation, the attachment force is stable, the color depth of the four-piece fabric after dyeing is ensured, the four-piece fabric has the characteristics of antibacterial and antiviral properties, and the excess material can be conveniently collected.
Owner:JIANGSU SIXIANG SILK TECH CO LTD
Rheumatism immune arthropathy rehabilitation physiotherapy device
The invention provides a rheumatism immune arthropathy rehabilitation physiotherapy device, and relates to the technical field of joint disease rehabilitation physiotherapy, the rheumatism immune arthropathy rehabilitation physiotherapy device comprises a physiotherapy fumigation assembly, the physiotherapy fumigation assembly is a closed cavity formed by a physiotherapy fumigation cover and a sealing layer through a hot melting technology, and an adjustable bandage is integrated on the outer surface of the physiotherapy fumigation cover; the flow guide mechanism is used for heating the concentrated liquid medicine and conveying effective components in the liquid medicine to pass through the joint surface through airflow to promote absorption of the medicine by the skin outside the joint, and heat in the gaseous liquid medicine is used for continuously preserving heat of the joint so as to realize the effects of hot compress and fumigation. Loss of effective components in the liquid medicine can be reduced, indoor air pollution caused by diffusion of peculiar smell of the liquid medicine is reduced, and the problems that most of liquid medicine steam cannot make contact with joints of a patient, steam dispersion causes large waste, the effective utilization rate of the liquid medicine is low, and peculiar smell generated by steam diffusion affects indoor air are solved.
Owner:HONGQI HOSPITAL AFFILIATED TO MUDANJIANG MEDICAL COLLEGE
System and method for production of ultra-high purity oxygen
A system and method of ultra-high purity (UHP) oxygen production from an argon and oxygen producing cryogenic air separation unit incorporating a dedicated methane rejection column or column section having a liquid to vapor (L / V) ratio lower than the L / V ratio in the associated argon rectifier is provided.
Owner:PRAXAIR TECH INC
Air adjusting structure and atomizer
The utility model provides an air regulating structure and an atomizer, the air regulating structure comprises an air regulating piece and a seat body assembly used for being assembled on the atomizer, the seat body assembly is provided with an air inlet, an atomizing cavity used for mixing air and atomized liquid steam, and an air inlet channel communicated with the air inlet and the atomizing cavity, an air adjusting piece is arranged at the position, close to the atomizing core in the atomizing cavity, in the air inlet channel, and a plurality of vent holes are formed in the air adjusting piece. After external air flows into the air inlet channel through the air inlet in a high-speed, disordered and non-uniform air channel section speed distribution state, the external air can be divided into a plurality of neat and uniform small air flows in the process of flowing through the plurality of vent holes uniformly distributed in the air adjusting piece, and the air flows can be linearly guided; the atomization device reduces or even eliminates transverse flow of airflow, improves airflow pulsation, reduces airflow turbulence, ensures that the speed of the airflow flowing into the atomization cavity tends to be uniform and stable, and effectively ensures that atomized liquid steam and air are efficiently and uniformly mixed in the atomization cavity.
Owner:JOYETECH (SHENZHEN) ELECTRONICS CO LTD
Vapor chamber heatsink assembly
A vapor chamber heatsink assembly, under vacuum, having a working fluid therein, comprising a plurality of heatsink fins and a vapor chamber is provided. The vapor chamber and the plurality of heatsink fins each comprise a plurality of obstructers defining a plurality of braided channels therein. Thus, the condenser regions of the vapor chamber are expanded to the plurality of heatsink fins. When heat from a greater temperature heat source and a lower temperature heat source is applied to the vapor chamber, via the plurality of obstructers and braided channels, the working fluid and liquid vapor travel therethrough, providing an effective phase change mechanism to the greater temperature heat source, while concurrently, hindering agglomeration of working fluid thereto. An effective phase change mechanism is also concurrently provided to the lower temperature heat source due to the non-agglomeration of working fluid to the greater temperature heat source.
Owner:COOLER MASTER CO LTD
Deoxidizing device for steam circulating system
ActiveCN224135849UReduce direct high-speed impactFully contactedLiquid degasificationEnergy industryDeaeratorMechanical engineering
The utility model provides a deoxygenization device for a steam circulation system, which comprises a water tank and a deoxygenization head mounted at the top of the water tank, the deoxygenization head is internally provided with a rotating film device, a water spraying assembly and a filler liquid steam net from top to bottom in sequence, the top of the deoxygenization head is provided with an exhaust port, the side of the deoxygenization head is provided with a water inlet and a steam inlet, and the water inlet is communicated with the water tank. The water inlet comprises a condensed water inlet and a make-up water inlet which are communicated with the rotating film device, and a high-pressure heater drainage inlet formed above the water spraying assembly, and the steam inlet comprises a first-stage steam inlet communicated with the rotating film device and a second-stage steam inlet formed below the filler liquid-steam net; the high-pressure heater drainage inlet is connected with a water inlet pipe, and the water inlet pipe comprises a water inlet connector and a flow stabilizing cover arranged at the tail end of the water inlet connector. According to the deoxygenization device, the water inlet pipe is arranged at the high-pressure heater drain water inlet, the flow stabilizing cover is arranged at the tail end of the water inlet pipe, the high-speed flow state of high-pressure heater drain water is changed, and the deoxygenization rate and the system operation stability are effectively improved.
Owner:NINGXIA JIUTONG SHENGDA ENERGY CO LTD
Gas-phase liquid filtering tank with condensation function
The utility model discloses a gas phase liquid filtering tank with a condensation function, which comprises a filtering tank main body, a filtering assembly and a cooling assembly, the upper end and the lower end of the filtering tank main body are respectively communicated with a recovery pipe and a liquid discharge pipe, the filtering assembly comprises a plurality of layers of filtering plates, and the plurality of layers of filtering plates are distributed in the filtering tank main body from top to bottom; and the cooling assembly is positioned between two adjacent layers of filter plates. According to the utility model, the filtering assembly and the cooling assembly are directly arranged in the filtering tank main body, so that a gas-liquid mixture entering the filtering tank can be quickly cooled and filtered, the situation that gas-phase liquid is wasted due to the fact that gas-phase liquid steam cannot be recycled is avoided, and a manner of primarily filtering, cooling and filtering again is adopted, so that the gas-phase liquid steam can be recycled. And meanwhile, the internal space of the filtering tank main body is fully utilized, so that the whole gas-phase liquid filtering tank is compact in structure, small in occupied area and convenient to install and arrange.
Owner:SHENZHEN HAOBAO TECH CO LTD
Etching method and etching apparatus
ActiveUS12444618B2Electric discharge tubesSemiconductor/solid-state device manufacturingTitanium aluminium nitrideHalogen
A method for selective removal of a titanium aluminum carbide film against titanium aluminum nitride films by using near atmospheric pressure plasma that is a rich non-halogen radical source to produce various radicals (e.g. NH, H, CHx, N, Ar, OH, O) from Ar and liquid vapor for film surface modification. The modified layer is able to form volatile products that can be easily removed by heating.
Owner:HITACHI HIGH TECH CORP
One-way heat conduction device for micro heating element and processing method thereof
The present application discloses a one-way heat conduction device for a micro-heating element and a processing method thereof, and relates to the field of heat dissipation technology of electrical components. The one-way heat conduction device for a micro-heating element comprises a heat conduction cavity, the heat conduction cavity is a flat structure, the heat conduction cavity has two opposite main sides, the side wall of the heat conduction cavity close to one of the main sides is used as the bottom wall, and the side wall of the heat conduction cavity close to the other main side is used as the top wall, and the heat conduction cavity contains a liquid-gas phase change medium; the inner side of the heat conduction cavity is provided with a plurality of liquid wicks, the liquid wicks have loose pores, the two ends of the liquid wicks are respectively connected to the bottom wall and the top wall of the heat conduction cavity, and the cross-sectional size of the liquid wicks gradually decreases in the direction away from the bottom wall. The present application can improve the heat dissipation effect of micro-heating elements in electronic products.
Owner:HONG RI DA TECH CO LTD
Method for reducing post-etching defects of photoresist and method for manufacturing semiconductor structure
ActiveCN121348676BMicrowave heatingPhotosensitive material processingSemiconductor structurePhysical chemistry
The application discloses a method for reducing defects of photoresist after development and a semiconductor structure manufacturing method, and belongs to the semiconductor field. The application brings forward the microwave heating to the evaporation development liquid process, and inert gas is introduced to reduce the pressure difference inside and outside the photoresist pattern. The development liquid on the semiconductor structure is evaporated by microwave heating, and the inert gas is introduced and the air exhaust device of the drying chamber is opened at the same time, so that the development liquid vapor is exhausted. The drying chamber is maintained in a slightly positive pressure state by the inert gas to protect the semiconductor structure. The microwave heating heats the photoresist to further cross-link and solidify at the same time of evaporating the development liquid. The photoresist pattern is cleaned to remove the residues after the evaporation of the development liquid. The application integrates the development liquid cleaning replacement, the development liquid evaporation and the hard baking into one process, so that the hard baking time of the application can be shortened or even the hard baking process can be removed. The obtained photoresist pattern is more compact and firm, and therefore, the photoresist pattern is not easy to collapse in the subsequent cleaning process.
Owner:NEXCHIP SEMICON CO LTD
Thermal energy storage and heat rejection system
A cooling system is provided including a two-phase pump loop and a vapor compression system. The two-phase pump loop cools a thermal load with a first coolant. The vapor compression system is configured to circulate a second coolant. The vapor compression system includes a liquid vapor separator which separates the second coolant into a liquid portion and a gaseous portion. The liquid vapor separator is a thermal energy storage for the two-phase pump loop. A condenser of the two-phase pump loop transfers heat from the first coolant to the liquid portion of the second coolant in the liquid-vapor separator.
Owner:ROLLS ROYCE CORP +1
System and method for production of ultra-high purity oxygen
A system and method of ultra-high purity (UHP) oxygen production from an argon and oxygen producing cryogenic air separation unit incorporating a dedicated methane rejection column or column section having a liquid to vapor (L / V) ratio lower than the L / V ratio in the associated argon rectifier is provided.
Owner:PRAXAIR TECH INC
Atomization humidifying device, control method thereof and breathing machine
The invention relates to an atomization humidifying device, a control method thereof and a breathing machine. The atomization humidification device comprises a water tank, an atomization heating module and a ventilation pipe. A liquid outlet is formed in the bottom of the water tank; the atomization heating module is arranged at the bottom of the water tank in a sealed mode, the atomization heating module comprises a heating piece and an atomization piece which are sequentially stacked in the height direction, the atomization piece is provided with a liquid inlet and a mist outlet, the liquid inlet is communicated with the liquid outlet, and the heating piece is used for heating liquid of the liquid inlet or water mist of the mist outlet; the ventilation pipe is in sealed connection with the atomization heating module, and a mist outlet of the atomization piece communicates with the interior of the ventilation pipe. According to the atomization piece, the liquid is directly changed into tiny liquid drops in an ultrasonic atomization mode or a piezoelectric ceramic atomization mode, heating is not needed, and then the problem that the steam temperature of the liquid generated in a heating mode is too high or the liquid is easily condensed into the liquid drops can be solved. The heating piece is used for heating the water mist, so that the temperature of gas entering the body of the patient through the ventilation pipe meets the requirement.
Owner:SHENZHEN SUNNYGRAND HEALTHCARE TECH CO LTD
Steam hammer pumps and power equipment
A pump uses the steam hammer effect to pump water from a reservoir into a control volume. Steam is injected into a water conduit extending between the liquid water reservoir and the control volume, forming a liquid-steam interface. Steam in the conduit condenses on the interface, creating a region of partial vacuum. Water accelerates into the region of partial vacuum and is discharged into the control volume, with the flow rate controlled by a valve.
Owner:CONSTELLATION ENERGY GENERATION LLC
Baffling type gas-liquid separation device
Owner:HUA HONG SEMICON WUXI LTD
Pre-wetting method and device for wafer
PCT designated stageWO2025246759A1Electrolysis componentsSemiconductor/solid-state device manufacturingWaferSmall molecule
The present application provides a pre-wetting method and device for a wafer. The method comprises: vacuumizing a cavity to bring the vacuum degree in the cavity to a preset value, wherein there is a wafer in the cavity; vaporizing a liquid into vapor; and conveying the vapor to the surface of the wafer, and making the vapor enter pores in the wafer and condense on the surface of the wafer so as to form a liquid adsorption layer. The pre-wetting method and device for a wafer of the present application can remove a gas from pores in the wafer, thereby improving the pre-wetting effect in a vacuum environment; for a structure having a high aspect ratio, while the pre-wetting effect is ensured, the pre-wetting process time can be effectively reduced and the productivity can be increased; moreover, due to good pore-filling performance of vapor molecules, there is no need to perform a pre-wetting process in a high vacuum environment, thereby shortening the vacuumizing treatment time of the cavity, and further increasing the productivity; and in the vacuum environment, due to a small interaction force between molecules, the mean free path of molecules increases, and the vapor molecules can expand the effective contact area and improve the uniformity of the pre-wetting of the wafer.
Owner:ACM RES (SHANGHAI) INC
Heat engine using liquid vapor phase change material
The invention provides a technical scheme of a method and a system for converting heat into work. The technical solution utilizes a nozzle in which a pressurized heat transfer liquid (HTL) and a liquid vapor phase change (LVPhC) working fluid at substantially the same pressure are mixed to form a LVPhC-HTL mixture that is sequentially subjected to evaporation and isothermal or quasi-isothermal expansion while flowing in the nozzle, resulting in acceleration of the mixture. The accelerated mixture is ejected, thereby rotating the turbine and generating work from the generated kinetic energy. The LVPhC is separated from the mixture and condenses after it is ejected from the nozzle, with its pressure rising back to the operating pressure in the nozzle. According to the technical scheme, the thermodynamic advantage of each phase of the LVPhC is utilized.
Owner:TECHNION RES & DEV FOUND LTD +1