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210results about How to "Reduce air flow" patented technology
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Gas chromatograph and expired air component analyzer
InactiveUS20050160790A1Reliable analysisStable outputAnalysing fluids using sonic/ultrasonic/infrasonic wavesComponent separationBuffer tankGas composition
A gas chromatograph having the capability of performing a reliable measurement under a condition that the baseline of a detector output is stabilized, and a breath component analyzer using the same are provided. This gas chromatograph comprises a gas separation column accommodating a member for causing a flow delay depending on gas component; air pump for supplying an air as a carrier gas into the gas separation column; gas supply port formed in a gas flow channel extending between the air pump and the gas separation column, and adapted to supply a subject gas containing a target gas component to be detected into the carrier gas flowing in the gas flow channel; buffer tank provided upstream of the gas supply port; and a detector for detecting the gas component of the subject gas supplied into the gas separation column.
Owner:FIDELITY NATIONAL INFORMATION SERVICES
Solid oxide fuel cell system and thermoelectricity synergic control method
ActiveCN103236555ALower working temperatureMaintain predetermined temperature requirementsFuel cell auxillariesSolid electrolyte fuel cellsFuel cellsControl cell
The present invention discloses a solid oxide fuel cell system and a control method thereof, and belongs to the field of fuel cells. According to the solid oxide fuel cell system structure, an output end of an air supply unit is connected with an input end of a stack unit through a valve, and is connected with an input end of a tail gas recovery unit through a valve, an output end of a fuel supply unit is connected with the input end of the stack unit through a mass flow meter, and is connected with the input end of the tail gas recovery unit through a mass flow meter, an output end of the stack unit is connected with the input end of the tail gas recovery unit, an output end of the tail gas recovery unit is connected with an input end of the fuel supply unit, and a control unit is respectively connected with various valves, various mass flow meters and various units. According to the present invention, work states of various valves and various flow meters are coordinatedly controlled according to load power requirements, and work temperatures of various units are regulated through adjusting gas flows so as to complete thermal-electric system control, improve system efficiency, and ensure a service life of the stack.
Owner:武汉华科福赛新能源有限责任公司
Low-pressure diffusion technology for crystalline silicon cell
ActiveCN105261670AIncrease chance of contactImprove uniformityFinal product manufactureSemiconductor/solid-state device manufacturingDiffusion methodsInternal pressure
The invention discloses a low-pressure diffusion technology for a crystalline silicon cell. The technology comprises the following steps: (1) a high-temperature oxidation before diffusion; (2) a low-pressure diffusion, namely preparing a PN knot by a sub-step diffusion method; and (3) annealing, namely changing internal pressure to remove impurities. According to the low-pressure diffusion technology, the uniformity between diffusion sheets can be improved; the temperature of a temperature zone in a fire hole is lowered, namely the temperature uniformity of various temperature zones of a diffusion tube is improved; the problem of a great fluctuation of sheet resistance of the fire hole of a diffusion furnace is solved; the service lifetime of a vacuum pump is prolonged; and the production cost of a diffusion procedure is reduced.
Owner:HUNAN RED SUN PHOTOELECTRICITY SCI & TECH
A nozzle for a vacuum cleaner
The present invention relates to a nozzle (1) for a vacuum cleaner. The nozzle (1) has a base (3) having an edge (4, 5) and a suction aperture (11) in the base (3). At least one flexible flap (24, 26) protrudes from the base (3) between the edge (4, 5) and the suction aperture (11). The flexible flap (24, 26) has first and second sections (32, 33) separable by an opening (35). The first and second sections (32, 33) are urged towards each other when the nozzle (1) is moved in a first direction in which the edge (4, 5) is a leading edge to close the opening (35) or tend the opening (35) towards closure, and the first and second sections (32, 33) are biased away from each other when the nozzle (1) is moved in a second direction in which the edge (4, 5) is a trailing edge to open the opening (35) or to further open the opening. The present invention also relates to a vacuum cleaner comprising a nozzle (1) for a vacuum cleaner.
Owner:KONINKLJIJKE PHILIPS NV
Front fascia plasma-induced drag reduction device
InactiveUS20100072777A1Reduce effect of dragReduce air flowVehicle seatsVehicle body stabilisationDielectric substrateAirflow
A plasma-induced drag reduction device is mounted on an underside of a vehicle front fascia. The drag reduction device has a dielectric substrate formed of a dielectric material, a first electrode mounted on a bottom, exposed surface of the dielectric substrate, and a second electrode mounted a top surface of the dielectric substrate and insulated by the dielectric substrate, and a power source connected to the first and second electrodes. The second electrode is disposed in a rearward direction relative to the first electrode. When activated, the device generates a plasma region that attracts an air flow passing underneath the vehicle, reducing the separation of the flow field and thereby reducing the impingement of the air flow on the ground and reducing the drag on the vehicle.
Owner:HONDA MOTOR CO LTD
Ground and underground three-dimensional extraction system of coal seam gas
ActiveCN102116167AIncrease success rateMature technologyFluid removalGas removalGeomorphologyWater discharge
The invention relates to an extraction system of a coal seam gas, comprising a coal mine underground clustered directional drilling group, a vertical well, an underground main extraction pipeline, an underground subhorizontal directional drilling orifice connecting pipeline, an underground water discharge box, a well head and a well head coal seam gas extraction pipeline, wherein the vertical well is arranged in an area near a directional drilling final hole and within a range of a ground clustered directional drilling track projection area, penetrates through a rock stratum, a rock stratum, a coal seam roof and a target coal seam and extends into a coal seam floor; the well head of the vertical well is provided with a ground extraction pipeline of the coal seam gas; the underground water discharge box is arranged in a coal mine underground roadway and connected with the coal mine underground clustered directional drilling group through the underground subhorizontal directional drilling orifice connecting pipeline penetrating through the target coal seam; and the upper end of the underground water discharge box is connected with the underground main extraction pipeline of the coal seam gas through a pipeline to form the three-dimensional extraction system. The invention has mature technology, little construction risk and difficulty and lower cost.
Owner:XIAN RES INST OF CHINA COAL TECH& ENG GROUP CORP
Air conditioning system for vehicles
InactiveUS6012295AReduce wasted powerProlong lifeAir-treating devicesRailway heating/coolingTemperature controlOpen port
An air conditioning system for vehicles includes a sensor for detecting opening and closing of a vehicle portal, such as a door or a window, and a control device for selectively opening ports through which temperature controlled air flows into an interior of a vehicle, in response to a signal generated by the opening and closing detecting sensor and a target air temperature. In the system, even if a door or a window of a cabin is opened, ports are opened according to a most suitable port mode depending on the target air temperature at a present time. Therefore, an improved air conditioning state for an operator, and an improved driving condition with reduced waste power and reduced loads to the respective equipment, may be achieved.
Owner:SANDEN CORP
Gas Inlet Valve for a Compressor, Compressor Comprising a Gas Inlet Valve of This Type and Method for Operating a Compressor Comprising a Gas Inlet Valve of This Type
ActiveUS20130136638A1Reliably flowExtended service lifeOscillating piston enginesCheck valvesInlet valveEngineering
A gas inlet valve (1) for a compressor (64), comprising: a housing (2); a valve device (6) arranged between a gas inlet portion (3) and a gas outlet portion (4), a valve body (57) resting against a valve seat (56) in a sealing manner when the valve device (6) is in a closed operating state, and the valve body (57) being lifted from the valve seat (56) when the valve device (6) is in an open operating state; a piston device (42) which comprises a first piston portion (43) and a second piston portion (44) which is different from the first piston portion (43), the first piston portion (43) being displaceably guided in a first cylinder portion (22) of the housing (2) and the second piston portion (44) being displaceably guided in a second cylinder portion (27) of the housing (2) which is different from the first cylinder portion (22); and a piston rod (38) which is displaceably mounted in the housing (2) and mechanically couples the valve body (57) of the valve device (6) to the piston rod (38), a fluid line (39) putting a first cylinder chamber (49) of the first cylinder portion (22) in operative fluid communication with the gas outlet portion (4), it being possible to apply a control pressure to a second cylinder chamber (52) of the second cylinder portion (27) in order to lift the valve body (57) from the valve seat (56). A rotary compressor comprising a gas inlet valve (1) of this type and a method for operating a compressor (64), in particular a rotary compressor, comprising a gas inlet valve (1) of this type.
Owner:KAESER KOMPRESSOREN SE
Natural focusing type ultrasonic atomization nozzle
ActiveCN104324839AReduce volumeEvenly distributedLiquid spraying apparatusPrintingTransformerEngineering
Owner:千藤(南京)环保科技有限公司
Preparation of ultra-low loss optical fiber preform rod and optical fibers by axial vapor deposition method
InactiveCN107721149ALow viscosityReduce internal stressGlass making apparatusOptical fibre with multilayer core/claddingFiberUltrasound attenuation
The invention discloses ultra-low loss optical fibers. Alkali metal elements are added during the VAD deposition technological process to reduce the viscosity of a core layer, enable the core layer tobe more matched with an inner cladding layer and an outer cladding layer, and reduce the internal stress, so that the ultra-low loss fibers with low transmission attenuation can be manufactured. A preparation method of the ultra-low loss optical fibers, disclosed by the invention, is based on the traditional VAD deposition process. A small amount of alkali metal is doped in the deposition process, and the doping amount is small and the gas flow rate is small, so that the normal deposition process is not affected too much, and doping is finished while depositing, and therefore, the productioncycle is prolonged, and then the production stability can be ensured, the production process is not complex, and the preparation method can be used in large-scale production. By the adoption of the invention, optical fiber attenuation can be optimized to ultra-low loss standards, and relay stations can be reduced in high speed transmission with long distance and low attenuation to lower the cost and improve the transmission quality.
Owner:HENGTONG OPTICAL MATERIAL CO LTD +1
System for cooling multiple in-line central processing units in a confined enclosure
InactiveUS20140268553A1Improve system performanceImprove reliabilityDigital data processing detailsSemiconductor/solid-state device detailsEngineeringHeat pipe
A system for cooling multiple in-line CPUs in a confined enclosure is provided. In an embodiment, the system may include a front CPU and a front heat sink that may be coupled to the front CPU. The front heat sink may have a plurality of fins and a corresponding fin pitch. The system may further include a rear CPU disposed in line with the front CPU and a rear heat sink coupled to the rear CPU. The rear heat sink may have a plurality of fins and a corresponding fin pitch. The fin pitch of the rear heat sink may be higher than the fin pitch of the front heat sink. In another embodiment, the front and rear heat sinks may be coupled together by one or more heat pipes.
Owner:RPX CORP
Self-adaptive cycle engine with double external ducts
InactiveCN110259600APressure matchingControl back pressureJet propulsion plantsCombustion chamberEngineering
The disclosure provides a self-adaptive cycle engine with double external ducts. The self-adaptive cycle engine comprises a fan, a low-pressure turbine, an external-duct jet pipe, a main jet pipe and a core engine, wherein the fan is driven by the low-pressure turbine and comprises a front-section fan and a rear-section fan; the front-section fan is provided with a first external duct, and the rear-section fan is provided with a second external duct and an internal duct; the external-duct jet pipe is arranged at an outlet of the first external duct and used for discharging airflow flowing through the first external duct; the main jet pipe is arranged at an outlet of the internal duct and used for discharging airflow flowing through the second external duct and the internal duct; the core engine comprises a high-pressure air compressor, a combustion chamber and a high-pressure turbine; the high-pressure air compressor is driven by the high-pressure turbine; and the combustion chamber is located between the high-pressure air compressor and the high-pressure turbine.
Owner:AERO ENGINE ACAD OF CHINA
Performance recovery of a fuel cell
ActiveUS20110008686A1Electrical performance be improveReduce air flowFuel cell detailsAutomotive engineeringPotentiostat
A method of improving the electrical performance of an operating fuel cell catalyst-containing cathode in a fuel cell connected to an electrical load by: reducing the flow of air to the cathode; disconnecting the load from the fuel cell; connecting a potentiostat to the fuel cell; cycling an applied voltage, current, or power to the fuel cell one or more times; disconnecting the potentiostat from the fuel cell; reconnecting the load to the fuel cell; and resuming the flow of air to the cathode.
Owner:THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY
Method and device for separating carbon dioxide
ActiveCN102470314ANo reduction in adsorption capacityGuaranteed adsorption effectGas treatmentOther chemical processesAqueous solutionCo2 adsorption
Disclosed is a method and device for separating carbon dioxide, wherein carbon dioxide adsorption ability can be maintained over the long term by means of recovering and re-supporting on a carbon dioxide adsorption material amine compounds that vaporize during operation. An amine recovery device (11) and an aqueous amine solution preparation device (14) are connected to an adsorption-material-filled tank (1), which has been filled with the carbon dioxide adsorption material (2), amine compounds vaporized from the carbon dioxide adsorption material (2) during operation are recovered to the aqueous amine solution preparation device (14) by means of the amine recovery device (11), and recovered amine compounds are re-supported on the carbon dioxide adsorption material (2) via a supply line (7).
Owner:KAWASAKI HEAVY IND LTD
Heat Exchanger
InactiveUS20080041095A1BalanceReduce air flowEvaporators/condensersStationary conduit assembliesRefrigerantEvaporator
An evaporator includes a refrigerant inlet header section having a refrigerant inlet at a first end portion thereof and plural heat exchange tubes disposed at predetermined intervals in the longitudinal direction of the refrigerant inlet header section and connected at respective first end portions thereof to the refrigerant inlet header section. A flow-dividing control wall divides the refrigerant inlet header section interior into an upper space, into which a refrigerant flows through the refrigerant inlet, and a lower space, with which the heat exchange tubes communicate. A communication hole in the flow-dividing control wall at an end portion opposite the first end portion establishes communication between the spaces therethrough. A flow-division-adjusting hole communicating with the lower space formed at the first end portion of the refrigerant inlet header section allows the refrigerant to flow into the lower space therethrough without passing through the upper space.
Owner:KEIHIN THERMAL TECH CORP
Locking blower nozzle with air bleed
InactiveUS20070256271A1Reduce air flowReduce airflowCleaning filter meansSuction filtersFree spaceExhaust fumes
The present disclosure provides a method and system to adjust the outflow of exhaust air that flows out of a nozzle outlet attached to a removable vacuum unit of a wet and dry vacuum cleaner. This adjustment allows the vacuum unit to perform at full operating capacity in a vacuum mode and yet reduce the air flow in a blower mode with the vacuum unit operating as if in the vacuum mode. The nozzle can include an air diverter that allows air in the nozzle to be diverted away from nozzle outlet. The air diverter can be adjusted to a variety of positions for controlling the amount of air diversion. The nozzle can be removably coupled with the vacuum outlet using a latch. An inlet ring on the nozzle having an enclosed portion can engage the vacuum outlet on the vacuum unit and stabilize the nozzle coupling to the vacuum unit.
Owner:EMERSON ELECTRIC CO
Composite pressing block type phase change heat storage gas-solid hydrogen storage reactor
ActiveCN108163807AEasy maintenanceEasy to replaceHydrogenReactant parameters controlThermal insulationDehydrogenation
The invention discloses a composite pressing block type phase change heat storage gas-solid hydrogen storage reactor. A whole structure is a cylindrical shell; the exterior of the reactor is coated with a thermal insulation layer; the interior of the reactor is loaded with a hierarchical porous tray convenient to dismount, the hierarchical porous tray is used for placing a composite pressing block, and the top of the reactor is fixed with hydrogen inlet and outlet pipelines. The top of the reactor is sealed with a large flange, and for preventing a powdered composite pressing block from entering the inlet and outlet pipelines, filter screens only for gas to pass through are fixed at the top and the bottom of the hierarchical porous tray respectively; the bottom of the tray is equipped witha stirring device. The composite pressing block is composed of an outer-circle metal hydride and an inner-circle phase change material. When a hydrogen storage material absorbs hydrogen, released heat is absorbed by the phase change material, and latent heat is stored; when the reactor releases hydrogen, the phase change material provides the heat to the hydrogen storage material to complete a dehydrogenation reaction. The reaction heat is recycled and used, an additional heat exchanger is not need, the structure is compact, the operation is simple, and the reactor is suitable for portable compact hydrogen power system application occasions, such as vehicle mounting, unmanned aerial vehicles, robots and the like.
Owner:陕西氢纯能源科技有限公司 +1
Fuel cell coupling with hydrogen storing unit
InactiveCN101118969ASolving Thermal Management IssuesImprove stabilityFuel cells groupingFuel cell auxillariesUninterruptible power supplyContent management
The present invention discloses a fuel cell of a coupling hydrogen storage unit. The fuel cell monomer comprises a cathode flow field board, an anode flow field board, a membrane electrode and a hydrogen storing unit. The fuel cell of the coupling hydrogen storage unit is formed by the superposition and coupling of the structure, utilizing the property that the hydrogen storing unit release hydrogen to absorb heat and the fuel cell reacts to disperse heat, the coupling of the heat content management of the fuel cell and the hydrogen storing unit are realized. The present invention also enables the hydrogen and air flow passage to be processed and enables the structure of the fuel cell monomer to become much simpler. While solving the problem of heat management of the hydrogen storing unit and the fuel cell, the present invention also can reduce the volume and power consumption of the system of the fuel cell as well as improve the energy density. The fuel cell disclosed in the present invention can be applied in various fields such as power supplies of electronic devices, diverse continuous power systems and the engine systems of motorcars, etc.
Owner:TSINGHUA UNIV
Dynamic window jamb channel block
ActiveUS7937809B2Larger window openingEasy to moveBuilding braking devicesVentilation arrangementAir movementSash window
The device of the present invention is identified as a chimney block for use in the jamb channels of window frames. The chimney block impedes or substantially reduces the vertical movement of air through the jamb channel. The reduction in air movement improves the insulating properties of the window and minimizes the amount of dust and fine dirt that might otherwise enter the jamb channel resulting in a progressively increasing force required to move the sash through the jamb channel. It consists of a vertical structural element which is secured to a planar sealing element that conforms to the cross section of the jamb channel. Legs or struts are attached in proximity to the other end of the vertical structural element to insure that the chimney block essentially remains in the same position to provide an air block.
Owner:CALDWELL MFG NORTH AMERICA
Inflatable air spoiler
An inflatable air spoiler for the use with a vehicle to reduce wind resistance. The inflatable air spoiler is made from abrasion resistant materials capable of forming a wedge shaped air spoiler. Securement of the inflatable air spoiler to a vehicle can be achieved with hooks, snaps and other fasteners. In another embodiment, securement of the inflatable spoiler in a vehicle's cargo bed is achieved by pressurizing the inflatable spoiler so its side panels or portions of its exterior surfaces are urged against the side walls of the cargo bed. Further securement is achieved by ballast chambers located on the bottom region of the inflatable air spoiler.
Owner:FLORES CHRISTOPHER R
Sorting device and technical method before incineration treatment of urban household garbage
PendingCN107685068AReduce labor intensityImprove sorting efficiencySievingGas current separationMagnetic separatorProcess engineering
The invention belongs to the field of sorting devices, and particularly relates to a sorting device and a technical method before the incineration treatment of urban household garbage. A feeding apparatus, a plate conveyer, a bag breaker and a PK chain conveyer are connected with an adjustable bar vibrating screen in sequence; an oversize product discharge opening of the adjustable bar vibrating screen is connected with a charging opening of a drum screen; an undersize product discharge opening of the adjustable bar vibrating screen is connected with a charging opening of the breaker; an oversize product discharge opening of the drum screen is connected with a feeding conveying belt of a positive-pressure wind separator; an undersize product discharge opening of the drum screen is connected with a charging opening of a second magnetic separator. The invention provides the sorting device and the technical method before the incineration treatment of the urban household garbage, through which an apparatus is used for replacing manual hand picking to sort a large article when the urban household garbage is sorted, meanwhile, a flexible entanglement can be also sorted out, the labor intensity of a worker is decreased, the occurrence that the apparatus is entangled is reduced, and the work efficiency of a sorting line for the urban household garbage is improved.
Owner:天津百利阳光环保设备有限公司
Process for regulating carbon dioxide concentration in air and inhibiting greenhouse effect and the device thereof
InactiveCN101116410AReduce air flowReduce the temperature difference between day and nightPhotovoltaic supportsBuilding constructionsAutomatic controlProtective system
The invention relates to a method that the photosynthesis of plants extensively grew in desert or drought areas is utilized to adjust the carbon dioxide concentration in air and to reduce the greenhouse effect; the invention further relates to an optical, mechanical and electronic integration automatic control protective device. The device of the invention comprises two parts: a sun-shading protective system arranged above the desert with a main function of shading sunshine and an ecosystem arranged at the surface of the desert and taking plants as the main sector, The cooperation of the two parts can achieve the purposes of thoroughly controlling desert, adjusting the carbon dioxide concentration in air and reducing the greenhouse effect.
Owner:万尤宝
Portable elemental spectrometer for online detection of liquid/gas phase samples
ActiveCN102269707AStable microwave inductionQuick analysisAnalysis by thermal excitationGas phaseSpectrograph
The invention discloses a portable element spectrograph for online detection of a liquid / gas phase sample. The portable element spectrograph comprises a sample leading-in system, a plasma atomization system and a spectral measurement processing system, wherein the plasma atomization system mainly comprises a plasma torch tube, a microwave energy exertion device, and a plasma triggering device anda plasma torch stabilizing chamber; the plasma torch tube is composed of a sample conveying inner tube, a middle tube which is coaxially sleeved on the inner tube and uses a conducting metal as an outer material, and an outer tube shell coaxially sleeved out of the middle tube; the microwave energy exertion device is composed of a microwave source and an antenna connected with the microwave source through a microwave transmission conducting wire; and the antenna is arranged out of the tube wall of the middle tube to close to an outlet. The element spectrograph is suitable for the liquid phasesample as well as the gas phase sample, can realize the online detection in real time, has the advantages of high detection sensitivity, low power, less gas consumption, small volume and light weight, and can be used for detecting almost all elements in the periodic table.
Owner:CHENGDU ALIEBN SCI & TECH CO LTD
Engine with two port fuel injectors
InactiveCN1975135AAvoid disadvantagesImproved intake air coolingElectrical controlNon-fuel substance addition to fuelIncrease pressureInjector
The invention provides a system for an engine, comprising of a cylinder located in the engine, a first port injector for injecting a first fuel into the cylinder, and a second injector outside the cylinder for injecting a second fuel into the cylinder. In this manner, the improved air inlet cooling operation can be realized so as to increase compression and / or increase pressure while reduce the engine knock limit, and the weakness of the direct injection system can be also avoided. In addition, by employing a plurality of injectors, one of the injector can be designed to inject when the valveis open while the other injector can be designed to inject when the valve is close, so that the air inlet cooling can be improved.
Owner:FORD GLOBAL TECH LLC
Plant container assembly and method
ActiveUS20130232871A1Improve regenerative abilityEncourage air root pruningLayeringCultivating equipmentsEngineeringSupport surface
A bounding system for a transplantable plant including a bounding apparatus and a support tray. The bounding apparatus includes a sheet-like sidewall framework defining a plurality of elongated, spaced sidewall apertures, and a bottom support having a support surface area. The bottom support is includes a sheet-like bottom framework defining a plurality of spaced bottom wall apertures. The bounding system includes a support tray comprised of a relatively solid sheet material, and having a tray top portion and a surrounding sidewall. The tray top portion defines an opening therethrough that is formed and dimensioned for supportive receipt of the bounding apparatus therein such that the bottom support thereof is vertically oriented at least at a sufficient distance above the ground to promote and encourage air root pruning of the transplantable plant proximate the bottom support. The surrounding sidewall and the sidewall framework defines a humidifying airspace therebetween in a manner reducing rapid dry-down.
Owner:JENSEN LARS
Wind-guiding device for vertical spindled windmill generator
InactiveCN102011686AEfficient use ofIncrease pressureWind motor controlRenewable energy generationWind forceWindmill
The present invention relates to a wind-guiding device for the vertical spindled windmill generator, including a set of supports and an air deflector. The support sets are installed at one side of the vertical spindled blade sets of the vertical spindled windmill generator, and the air deflector is installed on the support sets. By directing the air currents around the vertical spindled blade sets intensely to the vertical spindled blade sets in order to increase the wind pressure and the rotating speed of the vertical spindled blade sets, the generator efficiency can be improved.
Owner:邱金和
Heat exchanger with covering layer
ActiveCN1696596AIncrease heat absorptionIncrease heat releaseBrick-hot blast stovesFurnace componentsPlate heat exchangerEmissivity
The present invention relates to a heat exchanger with covering layer, belonging to the field of heat exchanger technology. Said heat exchanger is characterized by that one side or several sides of surface of its heat storage body are coated with a layer of high radiation material, whose radiation factor is higher than that of heat storage body base material. The heat storage body form can be honeycomb, fin form, ball form or plate form, and base body of heat storage body is made up by using refractory material, ceramic material or metal material.
Owner:山东慧敏科技开发有限公司
Culturing medium and fermentation method for producing erythrocin through fermentation of streptomyces erythreus
The invention relates to a culturing medium and fermentation method for producing erythrocin through fermentation of streptomyces erythreus. A primary seed medium, a secondary seed medium and a fermentation medium for producing erythrocin through fermentation of streptomyces erythreus all contains sucrose and a corn steep liquor. According to the invention, the corn steep liquor, urea, sucrose, and other intermediate-acting carbon sources and nitrogen sources are adopted to substitute original slow-acting carbon sources and nitrogen sources; moreover, the corn steep liquor, urea, and sucrose are soluble in water, so that the viscosity of the fermentation liquor is lowered, the dissolved oxygen is increased, the utilization speed is increased, especially during the later period of fermentation, the solid residue at the end of the fermentation is reduced, the bacteria dregs and the BOD content and the COD contend in the waste water are all greatly reduced, energy-reserving and consumption-lowering are both realized, and the good effects of treatment from the source and clean production are achieved.
Owner:NINGXIA QIYUAN PHARMA
Gas cooler configuration integrated into heat pump chassis
InactiveUS20060080988A1Minimize impactReduce air flowEvaporators/condensersCompression machinesGas coolerProcess engineering
A thin-profiled gas cooler and chassis suitable for a transcritical heat pump water heater are provided. The heat pump system includes a chassis for supporting such system components as a gas cooler and evaporator. The dimensions of the gas cooler are designed to minimize the impact that the gas cooler has on the cooling capacity of the evaporator by reducing the amount of air flow that the gas cooler blocks. This is achieved by reducing the depth that the gas cooler extends into the chassis cavity. As a result, the height and / or width of the gas cooler is increased compared to other similar volume gas coolers is providing comparable water heating capacity.
Owner:CARRIER CORP
Filter assembly with curved inlet guide
ActiveUS20170050136A1Reduced pressure dropReduce air flowDispersed particle filtrationTransportation and packagingAirflowGas turbines
A cassette filter assembly for removing particles from an air stream, in particular from a gas stream entering a gas turbine, has an upstream end and a downstream end and comprises a header frame to which a filter media is fitted and which has an inlet guide on said mounting face, the inlet guide having a plurality of openings, each opening being defined by a pair of lofted short sides and a pair of lofted long sides.
Owner:WL GORE & ASSOC INC
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