Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
41 results about "Discharge return" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Semiconductor integrated circuit, protection circuit and battery pack
ActiveUS20130057221A1Easy to useEfficient use ofCurrent/voltage measurementElectric powerControl signalElectrical battery
A semiconductor integrated circuit that protects a secondary battery by controlling an on / off status of a discharge control switch and a charge control switch includes an over discharge detection part configured to detect an over discharge condition based on a battery voltage of the secondary battery, a load removal detection part to detect whether a load connected to the secondary battery is removed based on a voltage of a load removal detection terminal connected to a negative electrode side of at least one of the load connected to the secondary battery and a battery charger through a resistor, an over discharge return part to return to a normal condition from the over discharge condition, and a control part to output a control signal for returning the over discharge condition to the normal condition to the over discharge return part upon detecting the load being removed in the over discharge condition.
Owner:MITSUMI ELECTRIC CO LTD
Air conditioner control method and device and air conditioner
ActiveCN105546753AReduce frequent start and stopAvoid frequent start and stopMechanical apparatusSpace heating and ventilation safety systemsDischarge returnDischarge pressure
The invention discloses an air conditioner control method. The air conditioner control method comprises the steps that a compressor discharge pressure value of an air conditioner and the outdoor environment temperature are obtained during refrigerating operation of the air conditioner; when the compressor discharge pressure value is smaller than a first preset pressure value or the outdoor environment temperature is lower than a first preset temperature value, any one of a plurality of outdoor heat exchangers on an outdoor unit of the air conditioner is closed; a current compressor discharge pressure value and an indoor evaporator temperature of the air conditioner are obtained; and an electromagnetic valve of the air conditioner is controlled to be opened or closed according to the current compressor discharge pressure value and the indoor evaporator temperature so that the return air pressure of a compressor can be adjusted. The invention further discloses an air conditioner control device and the air conditioner. According to the air conditioner control method and device and the air conditioner, the discharge return air pressure of the compressor is adjusted by opening or closing the electromagnetic valve, and low-pressure protection of the compressor is achieved. Meanwhile, frequent starting and stopping of the compressor are reduced and low-temperature protection of an evaporator is achieved.
Owner:GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
Sediment removal machine for removing sediment at bottom of pile and working method thereof
ActiveCN105821881AThorough slag removalAvoid the risk of hole collapseBulkheads/pilesSediment FilterDischarge return
The invention discloses a sediment removal machine for removing sediment at the bottom of a pile and a working method thereof. The sediment removal machine comprises a sediment removal device and a main controller for controlling work of the sediment removal device. The sediment removal device comprises an outer cover, a sediment suction tube for sucking the sediment is arranged in the outer cover, and the bottom end of the sediment suction tube extends out of the outer cover so that the sediment at the bottom of the pile can be sucked into the outer cover. At least one layer of sediment filter screen is arranged between the outer cover and the sediment suction tube. The positions where the sediment filter screens are located are lower than an outlet of the sediment suction tube. A water outlet is formed in the bottom surface of the outer cover so as to discharge return mud flowing down the sediment filter screens. A sediment amount sensor is arranged on the upper portion of the inner side face of the outer cover and connected with the main controller. Mud displacement does not exist, mud pouring is not needed, the automation degree is high, operability is high, the sediment removal efficiency and effect are improved, the hole collapse risk caused by mud displacement is avoided, and the problem that the environment is polluted because a large amount of mud is used is solved.
Owner:SHANDONG UNIV
Gasoline hydrodesulfurization method
ActiveCN101108983AHigh desulfurization rateFlexible handlingRefining to eliminate hetero atomsHydrogenHydrodesulfurization
A method using the gasoline hydrogenation to desulfurize is provided, which is carried out in a catalytic distillation column. The catalytic distillation column is divided into a rectification process section, a fractionation section, a stripping reaction section and a stripping section from top from bottom. The preheated raw materials are led into the fractionation section and the hydrogen is led into the bottom of the stripping section; the lighter components fractionated from the fractionation section enter into the section and conduct hydrodesulfurization reaction with the hydrogen under the contact with hydrodesulfurization catalyst A; the discharge on the tower top gains the liquid after cooling and separating; one part of the discharge returns to the rectification process section as the overhead reflux and the other part works as the desulfurized products 1; the heavier components fractionated enter the stripping reaction section and conduct hydrodesulfurization reaction with the hydrogen under the contact with hydrodesulfurization catalyst B and is discharged from the reboiler on the tower bottom after the a stripping section further separates the H2S to work as the desulfurized products 2. The method provided by the invention can obviously improve the rate of the desulfurization of gasoline and have low loss of the octane number of the gasoline.
Owner:CHINA PETROLEUM & CHEM CORP +1
Air classifier to separate solids while eliminating emissions
ActiveUS7051880B1Eliminate leaksEliminate needReversed direction vortexGas current separationForced-airAir classifier
An air classifier to separate solids by air classification while eliminating emissions. The air classifier includes an in-feed delivery mechanism, such as a continuous conveyer belt in order to deliver solids to an input chamber. A hanging curtain is movable in response to solids entering the input chamber. A balanced gate moves in response to solids exiting from the input chamber. An air fan delivers forced air to an air classifier chamber which is in communication with the input chamber. A heavy fraction discharge is in communication with the air classifier chamber to receive a portion of the solids heavier than the force of air delivered to the air classifier chamber. A light fraction discharge in communication with the air classifier chamber removes light solids. A return air duct in communication with the light fraction discharge returns air from the light fraction discharge to the fan. A bleed-off duct delivers a portion of forced air from the fan back into the input chamber.
Owner:HAMMERMILLS INT
Electromobile high integration density control system
ActiveCN103057435AAchieve sharingIncrease profitSpeed controllerElectric energy managementPower batteryElectricity
The invention provides an electromobile high integration density control system which comprises a power battery pack, an inverter circuit, an integrate control unit, a drive motor and an alternating current power supply, wherein the control unit is electrically connected with the power battery pack through a positive-negative bus, a control end of the inverter circuit is electrically connected with the integrate control unit, an input end of the inverter circuit is electrically connected with the power battery pack, an output end of the inverter circuit can be respectively and electrically connected with the drive motor and the alternating current power supply in sequence or be used as the input end to be electrically connected with the alternating current power supply, and a drive motor control return circuit, a battery discharge return circuit and a battery charge return circuit are respectively formed. According to the electromobile high integration density control system, integrated control of charging and discharging of an electromobile and drive motor control is achieved, sharing of components is achieved, using efficiency of the components is improved, system arrangement is simplified, and size and weight of the electromobile control system are effectively reduced.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY +1
High-capacity square wave impact current generator
ActiveCN101227152AEasy to manufactureExempt from high currentConversion without intermediate conversion to dcCircuit interrupters testingCapacitanceTransformer
The invention relates to a large capacity square-wave impacting current generator, which is particularly applied to a test on a super high voltage lightning arrester. The invention comprises a charging return circuit and a discharging return circuit, wherein the charging return circuit comprises a voltage regulating device, a high voltage test transformer, a high-voltage silicon stack, a charging protecting electric resistance, a capacitance and a wave regulating electric inductance which are electrically connected in turn, the discharging return circuit comprises a capacitance, a wave regulating electric inductance, a discharging gap G, a tube type diffluence device Rs and a test product Rx which are electrically connected in turn, and the capacitance and the wave regulating electric inductance are formed into an L-C energy storing unit. The invention is characterized in that the L-C energy storing unit is a double chains parallel type or multiple chains parallel type, which has the advantages of large current amplitude which is generated, easy quality control for unit components, convenient wave regulation and amplitude modulation, long service life of a whole device and the like.
Owner:STATE GRID ELECTRIC POWER RES INST
Beltless automobile fully-automatic mechanized sampling system
PendingCN109959526AImprove operational efficiencyDelay moisture lossWithdrawing sample devicesPreparing sample for investigationDischarge returnProcess engineering
The invention specifically discloses a beltless automobile fully-automatic mechanized sampling system, which comprises a working platform, a first frame, a first horizontal driving mechanism, a sampling mechanism and an integrated sample preparation unit, wherein a channel is arranged under the working platform; the sample preparation unit comprises a feeder, a crusher, a constant mass reduction machine and a sample holding barrel which are arranged in order from top to bottom; the sampling mechanism is used for collecting materials from a carriage and conveying the materials to the feeder; the silo of the feeder is internally provided with a rotatable feeding part to feed the materials to the crusher uniformly and continuously; the crusher crushes the materials and transports the materials to the constant mass reduction machine; and the constant mass reduction machine divides the materials into samples and discarded materials, the samples are kept in the sample holding barrel, and thediscarded materials are transported to a discarded material storage place through a discarded material discharge return unit. Manual timing processing of the discarded materials can be replaced through the discarded material discharge return unit, and the operation efficiency is improved.
Owner:INFINITY INTELLIGENCE & INFORMATION (SUZHOU) TECH CO LTD
Novel numerical control woodwork processing equipment
InactiveCN106827105AReduce labor intensitySave spaceMulti-purpose machinesNumerical controlDischarge return
The invention discloses novel numerical control woodwork processing equipment which comprises a rack, wherein a feeding and discharging integrated mechanism is arranged on the rack and comprises a storage frame, a lifting transfer frame and a discharging return conveying belt; a sawing device, a milling device and a drilling device are arranged between the storage frame and the lifting transfer frame. A processed workpiece is pushed onto the lifting transfer frame through a feeding frame, then is transferred onto the discharging return conveying belt from top to bottom through the lifting transfer frame, and finally is conveyed to a discharging storage frame on the same side with the storage frame through the discharging return conveying belt. The structure is simplified, and mounting, maintenance and replacement are easy. Meanwhile, the volume of a lifting component is reduced, so that the equipment is more compact and beautiful, and the space occupation is reduced.
Owner:谢伟
Control system and control method for pitch oil cylinder of stacker-reclaimer
ActiveCN105090143AAffect the service lifeEnsure safetyServomotor componentsServomotorsLower limitControl system
The invention discloses a control system and control method for a pitch oil cylinder of a stacker-reclaimer. The control system is formed by connecting rodless cavities of a left pitch oil cylinder and a right pitch oil cylinder in an original system with an automatic flow discharge return circuit composed of a pressure relay, a pressure sensor, a proportional overflow valve and an electromagnetic on-off valve. Rod cavities of the left pitch oil cylinder and the right pitch oil cylinder are connected with an oil feeding return circuit composed of a check valve and a pipeline. The control method is that when a cantilever of the stacker-reclaimer is close to the nearby area of the lower limit of the cantilever and makes falling motion, original oil feeding to the rod cavities through a hydraulic pump is replaced with check valve oil feeding and flow discharge of the automatic flow discharge return circuit, so that return circuit oil exudation, oil leak, seal damage, even pipe explosion and other negative factors generated due to the fact that the service life of the oil cylinder is influenced by the larger pressure of the rodless cavities in an original return circuit compared with the rated working pressure of the oil cylinders are avoided, and work security and reliability of the system is guaranteed.
Owner:NANJING MEISHAN METALLURGY DEV +2
Engineering vehicle and hydraulic drive system of traveling system of engineering vehicle
PendingCN109404510ARealize stepless speed changeRealize load shiftFluid gearingsFluid-pressure actuator componentsDischarge returnDisplacement control
The invention discloses a hydraulic drive system of a traveling system of an engineering vehicle. The hydraulic drive system comprises a variable displacement pump connected with a power device, a variable displacement motor, and a displacement control loop, wherein the variable displacement pump is connected with a power device and is provided with a first port and a second port, and the first port and the second port are used for discharging return oil; the variable displacement motor is connected with a gearbox, and comprises a first oil inlet and outlet opening communicating with the firstport, and a second oil inlet and outlet opening communicating with the second port; the displacement control loop is used for controlling displacement of the variable displacement motor according tochange of the working load; an oil inlet of the displacement control loop is selectively connected with the first port and the second port; and an oil outlet of the displacement control loop is connected with a variable displacement mechanism of the variable displacement motor. The hydraulic drive system can shift a gear when the variable displacement motor gains power, and loaded gear shifting ofthe variable displacement motor is achieved. The invention further discloses the engineering vehicle comprising the hydraulic drive system.
Owner:LIYUAN HYDRAULIC (SUZHOU) CO LTD
Concentration basin step concentration polling-type automatic measurement device
The invention relates to the field of concentration basin coal slime water measurement in coal washery and discloses a concentration basin step concentration polling-type automatic measurement device.The device is formed by a concentration basin, an A-layer coal slime water feed pipe, a B-layer coal slime water feed pipe, a C-layer coal slime water feed pipe, a D-layer coal slime water feed pipe,an E-layer coal slime water feed pipe, an A solenoid valve, a B solenoid valve, a C solenoid valve, a D solenoid valve, an E solenoid valve, a feed gathering pipe, a pump, a discharge vertical pipe,a discharge return pipe, a densimeter and an electric control device. A feed port of the pump is connected with the feed gathering pipe; the feed gathering pipe is connected with the A, B, C, D and Ecoal slime water feed pipes; and each feed pipe is equipped with one solenoid valve. Through cycle control of on / off states of the solenoid valves, density of coal slime water at different depths is measured indirectly, and the density is converted into a corresponding concentration value through corresponding calculation, thereby realizing measurement of concentration of the coal slime water at different depths. The automatic measurement device is stable and reliable, simple in structure, and high in degree of automation.
Owner:ANHUI UNIV OF SCI & TECH
CO2 fracturing displacement integrated oil extraction method for aiming at tight oil reservoir
ActiveCN109025940ARealize fracturing reconstructionRealize oil flooding integrationFluid removalClose fractureTight oil
A CO2 fracturing displacement integrated oil extraction for aiming at a tight oil reservoir is characterized by comprising the steps of successively performing fracturing and displacement on segmentedunits in a direction from the toe part of a horizontal well to the heel part, and in a fracturing period, performing segmented closed fracturing on the horizontal wall by means of liquid carbon dioxide; and in the displacement period, after cracks of the horizontal wall segmented unit are generated through fracturing, injecting high-pressure carbon dioxide into the segmented unit for performing segmented closed displacement. According to the method of the invention, an always CO2 injection state is utilized, thereby realizing no discharge returning and obtaining functions of sand carrying, seam generation, stratum energy supplementing and displacement. Not only is fracturing liquid effectively used for supplementing energy, but also tight oil reservoir displacement oil extraction is realized. Furthermore an injection amount and an injection time length can be selected according to an actual development requirement, thereby realizing integration of reservoir yield increase fracturing reconstruction and displacement.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
Fluidized bed reaction tower
InactiveCN101683603ASmall sizeReduce shockChemical/physical processesFluidized bedProcess engineering
The invention discloses a stable-flow-speed fluidized bed reaction tower. In the reaction tower, a fluidizing chamber (4) has an annular space opening or openings (6) uniformly distributed along a circumference, or an outlet is arranged over the bottom of the nozzle of the fluidizing chamber (4) for discharging return solid, aggregate or other solids. On the basis, the fluidizing chamber of the reaction tower (1) comprises a conical housing (3) capable of accommodating one conical insert (2). Thus, an annual space constituting the fluidizing chamber (4) is formed between the housing (3) and the insert (2), and an air flow which can be kept constant, increased or reduced according to the geometrical shape of the two components is generated. In the invention, a more stable operation environment is can be created, and particularly for process flow of a fluidized bed operates with different loads, the impact on the upstream and downstream systems of the reaction tower is reduced considerably.
Owner:塞巴斯蒂安·崔玛
A CO for tight oil reservoirs 2 Fracturing and flooding integrated oil recovery method
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
Semiconductor integrated circuit, protection circuit and battery pack
ActiveUS9048672B2Efficient use ofEasy to useCurrent/voltage measurementElectric powerControl signalElectrical battery
A semiconductor integrated circuit that protects a secondary battery by controlling an on / off status of a discharge control switch and a charge control switch includes an over discharge detection part configured to detect an over discharge condition based on a battery voltage of the secondary battery, a load removal detection part to detect whether a load connected to the secondary battery is removed based on a voltage of a load removal detection terminal connected to a negative electrode side of at least one of the load connected to the secondary battery and a battery charger through a resistor, an over discharge return part to return to a normal condition from the over discharge condition, and a control part to output a control signal for returning the over discharge condition to the normal condition to the over discharge return part upon detecting the load being removed in the over discharge condition.
Owner:MITSUMI ELECTRIC CO LTD
Steam Pressing Iron With Automatic Condensate Removal
An improvement in a steam powered pressing iron, in which steam is supplied by a boiler. The steam collects in a steam chamber inside a body 5, and heats the iron. A lever 8 is depressed by a thumbpad 9 to actuate a steam discharge valve 10. The steam discharge valve 10 discharges the steam to a garment being pressed. The improvement includes a steam trap valve 36. The steam trap valve discharges condensate to a discharge return connector 38, through the return hose to the boiler. The steam trap valve 36 is a thermodynamic steam trap, for preventing the flow of hot steam back to the boiler. But when in contact with cold condensate, the steam trap valve 36 automatically permits the flow of condensate back to the boiler. Cold condensate is automatically purged from the iron without operator intervention.
Owner:SEGYE INC DBA HOT STEAM
combine harvester
Owner:ISEKI & CO LTD
Jet flow control-type fertilization pump
InactiveCN107701523AImprove stabilitySimple structureManure treatmentJet pumpsHydraulic cylinderJet flow
The invention discloses a jet flow control-type fertilization pump, and relates to the field of fluid machines. The jet flow control-type fertilization pump comprises a water collecting nozzle, a leftrubber guide pipe, an air make-up t-branch pipe, a reverse air make-up hole, a right rubber guide pipe, a water inlet nozzle, a jet flow component including a movable wedge and a draining channel, ahydraulic cylinder and a piston. The hydraulic cylinder system is divided into a driving cavity, a reset cavity, a buffer cavity and a fertile solution cavity through the piston. The outlet section ofthe jet flow component is divided into two outlet flow channels through the movable wedge. The left side flow channel communicates with the driving cavity, and the right side flow channel communicates with the reset cavity. The draining channel is used for discharging return water in the fertilization pump. The reverse air make-up hole supplements air of a left cavity to form the pressure difference so that jet flow can be attached to the right side wall face. The water inlet nozzle collects water and air intermittently, a low-pressure vortex area can be formed at the right side of main jet flow intermittently and the wall-attaching and perpendicular incidence state of the water flow is formed. The piston is driven to move in a reciprocating mode, and the fertilizer filling and applying processes are implemented. The jet flow control-type fertilization pump is simple in structure, stable and reliable, the number of complicated reversing mechanisms is reduced and the jet flow control-type fertilization pump is used in the irrigation and fertilization fields of micro irrigation, low-pressure pipelines and the like.
Owner:JIANGSU UNIV
Energy saving system of light emitting diode (LED) lamp driven by lithium power
InactiveCN103108429AReduce energy consumptionGuaranteed reliabilityElectric light circuit arrangementEnergy saving control techniquesDischarge returnElectricity
Owner:蒋文华
Processing technology for purifying pollutants in hard-shelled seawater shellfish
InactiveCN106359209AGood removal effectNo secondary pollutionWater/sewage treatment by irradiationClimate change adaptationWater qualityVitality
The invention discloses a processing technology for purifying pollutants in four hard-shelled seawater shellfishes like Ruditapes philippinarum, Meretrix meretrix, Cyclina sinensis and Tegillarca granosa through an ultraviolet seawater treatment technology. The technology provided by the invention comprises a semi-closed circulation system, and is performed in a temperature-adjustable indoor environment. The technology is implemented through the following six steps: subjecting shellfish to picking, performing cleaning and basketing, then placing the basketed shellfish in a purifying pond, pumping deep-well seawater of which water quality meets the requirements into a circulation water pond, then transporting the seawater into an ultraviolet sterilizer through a water pump and carrying out sterilization, ejecting the sterilized seawater into the purifying pond according to process parameters to purify the shellfish, then discharging return water into the circulation water pond again, and carrying out repeated circulation until the shellfish product hygienic quality standard or purification with a minimum time of 24 hours is achieved so as to complete a batch of a purification processing process. The processing technology provided by the invention has the advantages of significant pollutant removal effects, strong vitality of purified shellfish, simple process, low investment, etc.
Owner:宇鑫绿色环保科技(南通)有限公司
Fertilizing and seeding device of field managing machine
InactiveCN104982130AReduce labor intensityEasy to controlFertiliser distributersRegular seed deposition machinesDischarge returnEngineering
The invention discloses a fertilizing and seeding device of a field managing machine. The fertilizing and seeding device comprises an operation bracket, wherein supporting and travelling wheels are arranged on two sides of the lower end of the operation bracket respectively, an operation base is arranged under the operation bracket, a fertilizing and seeding pipe is mounted on the operation base, the rear end opening of the fertilizing and seeding pipe is arranged downwards in a sloped manner, a cover plate arranged at the front end opening of the fertilizing and seeding pipe in a covering manner is mounted on the operation bracket, a feed opening corresponding to the front end opening of the fertilizing and seeding pipe is formed in the cover plate, a discharge plate positioned under the feed opening is connected to the operation bracket through pin shafts, a discharge pulling wire is arranged on one side of the discharge plate, the discharge pulling wire extends upwards to the operation bracket, and a discharge returning spring is connected between the other side of the discharge plate and the operation bracket. The fertilizing and seeding device disclosed by the invention is simple and convenient to control, convenient to fertilize or seed, and accurate to position, so that the labor intensity of a worker is greatly reduced, and the operation efficiency is effectively improved.
Owner:CHANGYI BAOLUDA MACHINERY MFG
Mixed xylene deolefination refining device and method
ActiveCN106565400AReduce olefin contentExtend the life cycleDistillation purification/separationHydrocarbonsFractionationDischarge return
The invention discloses a mixed xylene deolefination refining device and method. The device comprises a pre-refining tank, a mixed xylene fractionation column, a refining tank, a feeding heat exchanger, a discharging heat exchanger and a centrifugal pump. A C8 fraction is withdrawn from the side line above some column plate in 1-5 column plates counted from the top of the mixed xylene fractionation column downwards and used for feeding of the top of the refining tank, and tank bottom discharging returns from the side line above some column plate in 6-10 column plates counted from the top of the mixed xylene fractionation column downwards; and the top of the refining tank is at the 5-column-plate distance from the withdrawing position of the side line of the mixed xylene fractionation column, and the bottom of the refining tank is at the 5-column-plate distance from the return position of the side line of the mixed xylene fractionation column, mixed xylene products are produced from the top of the column, and polymers are discharged along with column reactor C9+ heavy components. By the adoption of the mixed xylene deolefination refining device and method, the purpose that the polymers can be separated without additionally arranging a separation column or other equipment and the qualified mixed xylene products are obtained is achieved; the service cycle of a catalyst can be prolonged, the cost is lowered, and high-quality chemical raw materials are obtained; and the good comprehensive benefits are obtained.
Owner:CHINA PETROLEUM & CHEM CORP
Air heat recovery device for printing equipment
ActiveCN105928351BImprove utilization efficiencyReduce lossRecuperative heat exchangersDrying gas arrangementsDrive motorEngineering
The invention discloses an air heat energy recovery device for printing equipment. The air heat energy recovery device for the printing equipment comprises a framework body, a draught fan, a drive motor, an exhaust duct, a heat exchanger, a compressor and an expander, wherein the draught fan is arranged inside the framework body and provided with the drive motor; the exhaust duct is arranged on the upper portion inside the framework body and used for leading out and discharging return air of the printing equipment; the heat exchanger is arranged on the exhaust duct and used for absorbing the heat of hot air inside the exhaust duct; and the compressor and the expander are arranged on the heat exchanger and a condensing heat exchanger and used for exchanging heat of the heat exchanger and heat of the condensing heat exchanger. According to the air heat energy recovery device for the printing equipment, the condensing heat exchanger can be used in cooperation with the heat exchanger, the temperature in the return air can be reutilized, the air heat energy is used, and therefore, the consumption can be reduced, and the energy utilization efficiency can be improved.
Owner:四川恒飞机电设备有限公司
Battery management system and corresponding electronic system
ActiveCN103166274BReduce heat lossSimple structureBatteries circuit arrangementsEmergency protective circuit arrangementsStopped workElectronic systems
Owner:DONGGUAN POWERWISE TECH CO LTD
Slag cleaner for cleaning pile bottom sediment and its working method
ActiveCN105821881BThorough slag removalAvoid the risk of hole collapseBulkheads/pilesSediment FilterSlag
The invention discloses a sediment removal machine for removing sediment at the bottom of a pile and a working method thereof. The sediment removal machine comprises a sediment removal device and a main controller for controlling work of the sediment removal device. The sediment removal device comprises an outer cover, a sediment suction tube for sucking the sediment is arranged in the outer cover, and the bottom end of the sediment suction tube extends out of the outer cover so that the sediment at the bottom of the pile can be sucked into the outer cover. At least one layer of sediment filter screen is arranged between the outer cover and the sediment suction tube. The positions where the sediment filter screens are located are lower than an outlet of the sediment suction tube. A water outlet is formed in the bottom surface of the outer cover so as to discharge return mud flowing down the sediment filter screens. A sediment amount sensor is arranged on the upper portion of the inner side face of the outer cover and connected with the main controller. Mud displacement does not exist, mud pouring is not needed, the automation degree is high, operability is high, the sediment removal efficiency and effect are improved, the hole collapse risk caused by mud displacement is avoided, and the problem that the environment is polluted because a large amount of mud is used is solved.
Owner:SHANDONG UNIV
Air conditioner control method, device and air conditioner
ActiveCN105546753BReduce frequent start and stopAvoid frequent start and stopMechanical apparatusSpace heating and ventilation safety systemsDischarge returnDischarge pressure
The invention discloses an air conditioner control method. The air conditioner control method comprises the steps that a compressor discharge pressure value of an air conditioner and the outdoor environment temperature are obtained during refrigerating operation of the air conditioner; when the compressor discharge pressure value is smaller than a first preset pressure value or the outdoor environment temperature is lower than a first preset temperature value, any one of a plurality of outdoor heat exchangers on an outdoor unit of the air conditioner is closed; a current compressor discharge pressure value and an indoor evaporator temperature of the air conditioner are obtained; and an electromagnetic valve of the air conditioner is controlled to be opened or closed according to the current compressor discharge pressure value and the indoor evaporator temperature so that the return air pressure of a compressor can be adjusted. The invention further discloses an air conditioner control device and the air conditioner. According to the air conditioner control method and device and the air conditioner, the discharge return air pressure of the compressor is adjusted by opening or closing the electromagnetic valve, and low-pressure protection of the compressor is achieved. Meanwhile, frequent starting and stopping of the compressor are reduced and low-temperature protection of an evaporator is achieved.
Owner:GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
Drink bottle
A beverage bottle comprises a bottle body and a bottle cover, wherein the bottle body is provided with a bottle neck, a bottle opening is molded on the bottle neck, and the bottle cover is arranged on the bottle neck to cover the bottle opening. The beverage bottle is characterized in that a non-return plate which is arranged in slant is arranged in the bottle neck, a discharge hole which is communicated with the bottle opening is formed in the high end of the non-return plate, a row of outlets are formed in one side of the bottle neck, and the row of the outlets are close to the low end of the non-return plate and discharges return beverage on the non-return plate. Compared with the prior art, the beverage bottle has the advantages that after the beverage is drunk, the return beverage is collected on the non-return plate from top to bottom, and at last the beverage is discharged from the outlets, so that the beverage cannot enter the bottle body to pollute other fresh beverage.
Owner:ZHEJIANG OCEAN UNIV
combine harvester
PURPOSE: A combine is provided to rotate a grain storage unit including a return container repetitively rotating up-and-down in the circumference of the axis in a front and a rear of a body without interfering with a return container. CONSTITUTION: A combine includes a threshing apparatus(18) installed in one side of left and right sides of a body frame including a traveling apparatus(20); a grain storage unit(1) and a grain discharge return container(6) installed in the left and right sides of a body frame; a maintenance unit installing the return container to be repetitively rotating up-and-down in a first axial circumference in the front and the rear directions of the body to support; a return screw formed between a front wall and a rear wall of the grain storage unit while opening a check unit in a upper wall of the grain storage unit; and a first container member front side unit fixed to the lower part of the rear wall of the storage unit.
Owner:ISEKI & CO LTD
High-capacity square wave impact current generator
ActiveCN101227152BEasy to manufactureConversion without intermediate conversion to dcCircuit interrupters testingCapacitanceShunt Device
The invention relates to a large capacity square-wave impacting current generator, which is particularly applied to a test on a super high voltage lightning arrester. The generator comprises a charging return circuit and a discharging return circuit, wherein the charging return circuit is formed through electrically connecting a voltage regulating device, a high voltage test transformer, a high-voltage silicon stack, a charging protecting electric resistance, capacitance and a wave regulating electric inductance in turn, the discharging return circuit is formed through electrically connectingthe capacitance, the wave regulating electric inductance, a discharging gap G, a tube type diffluence device Rs and a test product Rx in turn, and the capacitance and the wave regulating electric inductance are formed into an L-C energy storing unit. The generator is characterized in that the L-C energy storing unit is a double-chain parallel type or multiple-chain parallel type, which has the advantages of large current amplitude which is generated, easy quality control for unit components, convenient wave regulation and amplitude modulation, long service life of a whole device and the like.
Owner:STATE GRID ELECTRIC POWER RES INST
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com