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106results about How to "Reduce start-up costs" patented technology
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System, method, and medium for efficiently obtaining the addresses of thread-local variables
InactiveUS20060112374A1Reduce start-up costsReduce performance lossMultiprogramming arrangementsSpecific program execution arrangementsLocal variableParallel computing
A software method for obtaining an address of a thread-local variable while executing a computer program is described. The method designates a memory location to store an address of a function. The method, after the computer program starts to run, obtains the address of the thread-local variable by executing a resolver function whose address is stored in the memory location when a module that references the thread-local variable is loaded. The resolver can be a lazy resolver function or other resolver functions optimized for specific modules or variables.
Owner:RED HAT
Mobile Vehicle Washing Apparatus
InactiveUS20090217944A1Easy to adjustQuick SetupCleaning apparatus for vehicle exteriorsCleaning using toolsMobile vehicleEngineering
A mobile vehicle washing apparatus in which the length, width and height of the apparatus may each be adjusted to the size of the vehicle to be washed and for easier transport. The frame dimensions may be adjusted by a system of cranks found on each frame member that may need to be adjusted. Also, attached to the frame are swinging arm members that may clean the bottom side of a vehicle passing through them. Powered brush members are used in the apparatus as a means to scrub vehicle surfaces. The cleaning and rinsing fluids pass through a series of hoses and nozzles mounted about the frame so that the tops and left and right sides of the vehicles being cleaned may be covered by said fluids.
Owner:MUNERA JAVIER +1
Virtual copy system and method
ActiveUS7310712B1Reduce and even eliminate useReduce start-up costsMemory systemsData placementOperating system
A method of a copying data includes a cache subsystem loading data to be copied from a first address, and placing the data in a cache as if the data had been loaded from a second address. The data can then subsequently be written to the second address to effect the copy.
Owner:ORACLE INT CORP
Supercritical water oxidation system and supercritical water oxidation process based on H2O2 serving as oxidizing agent
ActiveCN106082426AAvoid local overheatingAvoid concentrated releaseWater treatment compoundsWater contaminantsOxygen contentSupercritical water oxidation
The invention discloses a supercritical water oxidation system and a supercritical water oxidation process based on H2O2 serving as an oxidizing agent. H2O2 and soft water are boosted and injected into the system after blending, the H2O2 is resolved after preheating, most of oxygen is injected from the upper side of a reactor, supercritical water oxidation reaction between the oxygen and organic waste water is generated but only performed initially due to insufficient oxygen content, few oxygen is dissolved in the soft water, and evaporable water is injected into the water membrane reactor, so that the reactor is protected, a certain amount of oxygen is injected from the side face of the reactor to further oxidize and degrade the organic waste water without enough oxygen, and overheat caused by concentrated release of heat is avoided. A evaporable water boosting branch and an oxygen boosting branch are combined, investment cost is reduced, and system control can be simplified; part of the oxygen is injected from the side face of the water membrane reactor, and oxidative degradation and heat release of the organic waste water are controlled through control of oxygen contents of different reaction areas, so that local overheating of the water membrane reactor is avoided, system startup cost is low, and safety is high.
Owner:GUANGZHOU INST OF ADVANCED TECH CHINESE ACAD OF SCI
Method and system for processing Internet payments
InactiveCN1454364AImprove security levelTransactions are safe and confidentialPayment circuitsSpecial data processing applicationsNetwork agentEngineering
Owner:JPMORGAN CHASE BANK NA
System, method, and medium for efficiently obtaining the addresses of thread-local variables
InactiveUS7412710B2Reduce start-up costsReduce performance lossMultiprogramming arrangementsMemory systemsLocal variableParallel computing
Owner:RED HAT
Preheating starting method for aluminium electrolysis cell
The invention relates to a preheating starting method for an aluminium electrolysis cell, and the preheating starting method comprises the following preheating starting processes: (1) drilling on the upper surface of a carbon or graphite electrode, and pre-embedding a heating element in the electrode; (2) heating a hearth by using a heating assembly according to a roasting curve; (3) after reaching a target temperature, adding a solid or liquid electrolyte until reaching a required electrolyte level, regulating the power of the heating assembly, and primarily building heat balance and inner hearth mold required by the electrolysis cell; (4) introducing direct current for electrolyzing a preheating electrode; and (5) gradually utilizing an electrode which normally operates to replace the preheating electrode carrying the heating element. The method disclosed by the invention can evenly heat; in the preheating process, an anode and the bus do not need flexible connection; a traditional cell of which the cathode is in an abnormal-shape structure can be effectively preheated, and an inert electrode aluminium electrolysis cell can be effectively preheated and started; and a stable electrolysis environment is built, current efficiency is improved, and the service life of the electrode is prolonged. The preheating electrode can be reused to lower electrolysis cell starting cost.
Owner:GUIZHOU BRANCH CHINA ALUMINUM IND
Energy-saving type quick start method for supercritical unit or ultra-supercritical unit
ActiveCN103712197AReduce startup timeIncrease temperature rise rateLiquid degasificationBoiler controlPressure riseThermal state
The invention discloses an energy-saving type quick start method for a supercritical unit or an ultra-supercritical unit. According to the method, steam from another resource is used for heating supplied water so that a boiler can be indirectly heated, and the thermal stress of a heated surface is reduced when the boiler is started so that the heating rate of the boiler can be improved; meanwhile, the heated high-temperature supplied water is converted into steam-liquid two-phase flow through throttling and pressure reduction, the flowing scouring action of the steam-liquid two-phase flow is far superior to the effect of thermal-state washing, and in other words, the boiler can complete thermal-state washing under the non-ignition condition, and can preheat the whole heated surface before ignition till certain pressure is reached. After ignition of the boiler, due to the fact that enthalpy of subcooling on an inlet of a water wall is eliminated, the problem of water power can be readily solved and the input speed of fuel can be increased. Meanwhile, by adjusting the open degree of a turbine bypass valve, the flow, the temperature rising speed and the pressure rising speed of main stream and reheat steam are controlled, and the temperature rising speed of the heated surface of the boiler is increased; when the temperature of the main steam and the temperature of the reheat steam are larger than the temperature of a turbine heating valve, valve heating is started, and a main machine can early satisfy the impulse starting condition.
Owner:冯伟忠
Robot apparatus, control method of robot apparatus, and recording medium
ActiveUS20170266811A1Easy to controlHigh precisionProgramme controlProgramme-controlled manipulatorWire rodControl system
A robot arm includes a plurality of links and rotary joints for connecting the links with each other. A cable (wire rod) for communicating a drive signal to a drive actuator of each rotary joint is provided along each link. A reaction force table storing a reaction force value generated by the wire rod when the joint is driven in a divided storage area divided for each dynamic drive control condition is provided in a control system. In a case where each rotary joint is driven, the control device controls each rotary joint on the basis of a reaction force value obtained by referring to the reaction force table in accordance with the drive control condition.
Owner:CANON KK
Robot apparatus and method for controlling robot apparatus
ActiveUS20160311111A1Light weightLow costProgramme controlProgramme-controlled manipulatorControl theoryRotational joint
A robot apparatus determines a reactive force of a wire member by a sensor, used for the transmission of a driving signal between the robot apparatus and a joint (or end effector). The robot apparatus includes: a plurality of links which constitute a robot arm; rotational joints which connect each of the links to each other; a motor which drives each of the rotational joints; and a cable as a wire member, which is arranged along each link and transmits a driving signal at least to a driving source. A controlling apparatus drives and controls the motor which drives the rotational joints, based on a value of a reactive force, which a cable reactive force measuring unit outputs, which measures the reactive force to be applied to a joint portion when the cable is deformed.
Owner:CANON KK
Starter and start method
InactiveCN103677948AAvoid startup configurationReduce configuration workloadProgram loading/initiatingConfiguration itemPath generation
The invention discloses a starter and a start method. The starter comprises a reading module, a path generating module and a loading module. The start method comprises the following steps: adding the same configuration items of each Java independent application as public configuration items into a starter configuration file in advance for configuring; reading the public configurations and a configuration file of a target Java independent application by using a reading module; generating complete classpath according to the public configurations and application configurations by using the path generating module; loading the entry class of the target Java independent application on the basis of the complete classpath by using the loading module to start a target application. According to the start method, the same configuration items of each Java independent application are configured at one time as public configuration items, so that only specific configuration items except the public configurations of the Java independent applications need to be configured, the configuration workload of each application is reduced, and the start cost is reduced.
Owner:TELEFON AB LM ERICSSON (PUBL)
Auxiliary steam intermediate pressure cylinder starting method for steam turbine
ActiveCN106285796AFlexible start and stopAvoid the weakness of low load adaptabilityMachines/enginesEngine startersDynamic balanceGrid connection
Provided is an auxiliary steam intermediate pressure cylinder starting method for a steam turbine. The method comprises the steps of arranging pipelines, vacuumizing the steam turbine, starting a high pressure cylinder backward warming valve, conducting impulse starting on the steam turbine, conducting a dynamic balance test, a no-load test and an electrical test on a unit shaft system and conducting unit grid-connection and initial load loading. By means of system modification and logical configuration mode changing, intermediate pressure cylinder steam turbine impulse starting is conducted by means of auxiliary steam, and an electric generator no-load stage test is completed. Due to the fact that a boiler participates in the starting process of the steam turbine when the boiler is not subjected to ignition, starting and stopping of the steam turbine are flexible, no-load operation is not limited by time, and the defect that the steam turbine is poor in low-load adaptability in high pressure cylinder and intermediate pressure cylinder starting modes is avoided. Furthermore, the starting cost is reduced, a cylinder is heated uniformly, and the safety of the starting process of the steam turbine is greatly improved.
Owner:POWERCHINA SEPCO1 ELECTRIC POWER CONSTR CO LTD
Steam bypass control method for gas turbine combined cycle generator set
ActiveCN104074560AOptimum temperature and pressure rise rateReduce startEngine componentsSteam engine plantsEngineeringHigh pressure
The invention discloses a steam bypass control method for a gas turbine combined cycle generator set. The steam bypass control method for the gas turbine combined cycle generator set comprises the following steps: before ignition of a turbine: setting the pressure value of a high-pressure bypass as the sum of the current pressure value of a high-pressure main steam pipe and a starting value; setting the pressure value of a medium-pressure bypass as the sum of a reheat pressure value and the starting value; setting the pressure value of a low-pressure bypass as a rated value; after ignition of the turbine: setting the pressure increments and pressure target values of the high, medium and low-pressure bypasses respectively according to openings; after a high-pressure cylinder steam inlet command is sent, closing the high-pressure bypass to a quarter at the speed of percentage per second, setting the pressure value of the high-pressure bypass as the sum of the current pressure value of the high-pressure main steam pipe and the closing value of the high-pressure bypass; after a low-pressure cylinder steam inlet command is sent, setting the pressure value of the low-pressure bypass as the sum of the pressure value of a low-pressure steam main pipe and the smaller one of the closing value of the high-pressure bypass and / or the rated value; after the high-pressure and medium-pressure bypasses are opened, starting respective bypass cooling water electric valves; opening a low-pressure bypass cooling water electric valve and a low-pressure overheater outlet electric valve at the same time.
Owner:CHINA SHENHUA ENERGY CO LTD +2
Combined rotation system assembly online dynamic balance detection system and method
ActiveCN108827536AReduce imbalanceGood vibration dampingStatic/dynamic balance measurementAviationDynamic balance
The invention provides a combined rotation system assembly online dynamic balance detection system and method. The detection system comprises a dynamic balance analysis system, a data acquisition system, a detection sensor and a combined rotation system. A reflective marker is attached to a rotor. A rotation speed test sensor is installed on a non-rotating component, and is aligned to the reflective marker on the rotor. Vibration test sensors are mounted on respective bearing seats. The detection sensor is connected to the data acquisition system. The data acquisition system is connected to the dynamic balance analysis system. The detection method, by using a vector coordinate calculation method, performs dynamic balance detection on the combined rotation system, and configures a weight toeliminate the vibration caused by mutual response after the assembly of the rotor. The detection system and method can meet the requirements for convenient online dynamic balance operation, high accuracy and good balance effects, can be used for the balance of rotors in various industries such as machinery, aviation and electric power, contributes to the vibration reduction, the noise reduction and the wear reduction of the whole system, and prolongs the service life of a machine.
Owner:JIANGSU UNIV
A compound excitation synchronous starting system and method for a synchronous motor
ActiveCN102291069ASolve the problem of building a magnetic fieldLower requirementStarter arrangementsBrushless motorsSynchronous motor
The invention relates to hybrid excitation synchronous starting system and method of a synchronous motor. The hybrid excitation synchronous starting system comprises a main motor, an exciter, a rotating rectifying disc, a first excitation system and a second excitation system, wherein a main motor rotor, an exciter rotor and the rotating rectifying disc are synchronous; the exciter rotor suppliesexcitation currents to the main motor rotor through the rotating rectifying disc; the first excitation system supplies the excitation currents to an exciter stator; a synchronous slip ring is arranged between the rotating rectifying disc and the main motor rotor and provided with a carbon brush, and the second excitation system supplies the excitation currents to the main motor rotor through the carbon brush and the slip ring. When the hybrid excitation synchronous starting system disclosed by the invention is started, firstly a magnetic field of the main motor rotor is established depending on the second excitation system so that the main motor can be started, then the first excitation system is started and gradually switched with the second excitation system; and in addition, according to the hybrid excitation synchronous starting system disclosed by the invention, the magnetic field is established for the main motor rotor through the second excitation system, and therefore the problem that a synchronous brushless motor can not directly conduct the excitation currents through twice electrical isolation until the magnetic field of the main motor rotor is solved.
Owner:GUANGZHOU YATU NEW ENERGY TECH
Wide-load heat supply energy saving system of back pressure type small turbine driving induced draft fan
ActiveCN105042666AEnsure safetyGuaranteed functionSteam generation plantsHot-water central heatingEngineeringDeaerator
The invention relates to a wide-load heat supply energy saving system of a back pressure type small turbine driving induced draft fan. The system comprises a main turbine, a back pressure type small turbine, an induced draft fan, a boiler reheater, a deaerator and a low-pressure heater, wherein a steam discharge end of a high-pressure cylinder in the main turbine is connected with a steam inlet end of the boiler reheater; one of steam outlet ends of the boiler reheater is connected with a steam inlet end of a medium-pressure cylinder to form a reheating loop; the other one of the steam outlet ends of the boiler reheater is connected with a steam inlet end of the back pressure type small turbine to form a heat supply loop; a power output end of the back pressure type small turbine is connected with a driving input end of the induced draft fan to form an induced draft fan driving loop; one of steam discharge ports of the medium-pressure cylinder is connected with a steam inlet end of the deaerator through a heat return steam extracting pipe; the other one of the steam discharge ports of the medium-pressure cylinder is connected with a steam inlet end of the low-pressure heater through a steam extracting pipe to form a heat returning loop; and a steam extracting and replenishing structure of the heat supply loop is formed between all connecting pipelines of the low-pressure heater, a condensed water pipe, the deaerator and the medium-pressure cylinder and a heat supply pipe network. The system improves the heat supply operation economy, and has the advantages of higher operation adjusting flexibility and better heat supply economy.
Owner:CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD
Method of financing and maintaining a railway track
The present invention proposes a leasing arrangement of composite railroad ties constructed of, for example, recycled automobile tires, to a customer over a lengthy term while ownership in the ties remains with the supplier / leassor. The leasing arrangement can be spread over twenty years or longer, such that the initial start up costs is a fraction of that for wood ties, much less composite ties, and the customer also realizes the benefits of the enhanced durability of the composite ties. The supplier may also agree to replace the composite ties as necessary, and thus the customer has a fixed and manageable annual (or other incremental) cost that provides predictability and low cost insurance that is not available for purchased ties.
Owner:POLYMER GLOBAL HLDG
Circulating fluidized bed boiler ignition apparatus and method thereof
The invention relates to a circulating fluidized bed boiler ignition device and an ignition method thereof. The boiler ignition device comprises a circulating fluidized bed boiler, a cyclone separator and a material return device which is arranged below the cyclone separator. The boiler ignition device is characterized in that one end of a red slag conveying device is connected with a slag discharge pipe of the material return device and a discharge outlet through two pipelines, the other end thereof is connected with the slag discharge pipe of the material return device on the adjacent circulating fluidized bed boiler, and valves are respectively arranged on the pipelines at the two ends of the red slat conveying device. The device and the method connect the two boilers through the red slag conveying device between the two circulating fluidized bed boilers, then when in ignition of one boiler after the overhaul, red slag with the high temperature of 800-900 DEG C of the other boiler can be utilized for starting up the boiler, thereby saving a great amount of fuel. The invention has the advantages of simple structure, convenient use and ability of effectively reducing the startup cost of the boiler after the overhaul.
Owner:张德君
Network address server
InactiveCN1423885AIncrease the number ofEnhanced character typeSpecial service provision for substationData processing applicationsUnique local addressTransceiver
Owner:阿菲利亚有限公司
Quick starting system and method for thermal generator set in intermediate pressure cylinder starting mode
PendingCN112814752AMeet the Response RequirementsReduce startup timeEngine componentsSteam engine plantsWarm waterPower grid
The invention discloses a quick starting system and method for a thermal generator set in an intermediate pressure cylinder starting mode. The quick starting system comprises a superheater, an intermediate pressure cylinder and a starting steam header, wherein one steam exhaust path of the superheater enters a high pressure cylinder, and the other steam exhaust path enters a high exhaust check valve rear pipeline through a high pressure bypass valve; exhaust steam of the intermediate pressure cylinder enters a low pressure cylinder for acting and enters a condenser, and a condensate water outlet of the condenser is connected with a local condensate water system and an adjacent condenser through a condensate pump; one steam exhaust path of the starting steam header enters the high pressure cylinder for heating, and the other steam exhaust path enters the intermediate pressure cylinder for acting; and incoming steam of an adjacent machine is connected with a desuperheating water and the starting steam header through a pressure and temperature reducing device and the like. According to the quick starting system and method, the starting process of the thermal generator set in the intermediate pressure cylinder starting mode is converted from a cold state starting mode to a warm state starting mode. A boiler and steam turbine series connection mode is changed into a parallel connection mode in the starting process of the thermal generator set in the intermediate pressure cylinder starting mode, the starting time can be shortened, the starting cost is reduced, and the set can meet the power grid response requirement more quickly.
Owner:XIAN THERMAL POWER RES INST CO LTD +1
Charging method for pre-baking aluminum electrolytic tank
A charging method for a pre-baking aluminum electrolytic tank relates to a charging method when the electrolytic tank is started during aluminum electrolyzing process. The invention is characterized in that the furnace charging process comprises the following steps: (1) filtering purely calcined petrol coke particles and laying the particles on a graphite cathode; (2) installing an anode; (3) laying calcium fluoride on the edge artificial extension leg; (4) selecting an electrolyte block as a sealing object for sealing the break joint and centre joint of the anode and covering a paper sheet on the electrolyte block; and (5) covering the anode by an ice stone with a thickness of 10-25 cm. No impurity is brought into the electrolyte system in the method of the invention, in particular the electrolyte block and the paper sheet are used as sealing materials for sealing break joint and centre joint of the anode, and the electrolyte block without impurities and newspaper are used in place of steel plate, asbestos board and calcium silicate board during charging process. Therefore, the method rapidly recovers the primary aluminum mass of a newly started electrolytic tank, greatly shortens the recovery period of the primary aluminum mass, reduces the start cost of the electrolytic tank and achieves remarkable economical benefit.
Owner:GUIZHOU BRANCH CHINA ALUMINUM IND
Start-up method of dewatering capacity-enlarging start-up monotube boiler near steam heating boilers
ActiveCN100557304CRaise the exhaust gas temperatureImprove operating conditionsSteam generation using hot heat carriersFeed-water heatersWater flowEngineering
Owner:冯伟忠
Personal matchbox and production thereof
InactiveCN1817257AGuaranteed practicalityIncrease fashionDecorative surface effectsTobacco devicesSlurryEngineering
A personalized matchbox customized by user is made up through providing photo, pattern, text and sizes by user, processing by computer, digitalized printing or laser printing on thick paper, folding and pasting to obtain an external box, making internal box according to the sizes of external box, coating the phosphorus slurry in the preserved area on the external box and drying.
Owner:孙长敏
Method for rapidly starting completely autotrophic ammonia removal
ActiveCN106542636ALow additional costShorten the start-up periodWater treatment compoundsWater contaminantsAeration rateColonization
The invention belongs to the field of ammonia nitrogen-containing wastewater treatment, and discloses a method for rapidly starting completely autotrophic ammonia removal. The method is a wastewater treatment method, and comprises the following steps: 1, seed sludge preparation; 2, seed sludge inoculation; 3, biofilm colonization; and 4, running starting. The method for rapidly starting completely autotrophic ammonia removal has the advantages of shortened starting period, reduction of the aeration rate and the hydraulic retention time, improvement of the adaptability of microbes in sludge in a large water temperature change range, reduction of the investment cost of nutrient demands in the domestication process of sludge, substantial saving of the starting period, and improvement of the running stability of a system.
Owner:SHENYANG INST OF AUTOMATION GUANGZHOU CHINESE ACAD OF SCI +1
Quick starting method for treating ammonia-containing wastewater through A/O process
ActiveCN106554083AImprove processing efficiencyGuaranteed uptimeWater contaminantsTreatment with aerobic and anaerobic processesActivated sludgeMagnesium salt
The invention discloses a quick starting method for treating ammonia-containing wastewater through an A / O process. The method comprises: (1) putting inoculums in a bioreactor; and (2) adopting batch water-intaking operation and continuous water-intaking operation to start an A / O system. The bioreactor of an A / O process comprises an anoxic reactor that is an A reactor and an aerobic reactor that is an O reactor. The inoculums of the A reactor are nitrous-acid-type denitrification bacteria and anoxic activated sludge. The inoculums of the B reactor are aerobic activated sludge, and a microbial growth promotion agent is added to the O reactor at the same time. The promotion agent comprises metal salt and a polyamines substance, wherein the metal salt takes 40-100 parts by weight and comprises calcium salt, copper salt, magnesium salt and / or ferrous salt, and the polyamines substance takes 5-30 parts by weight. The difficulty of starting the A / O process is reduced, the starting time is obviously shortened, and starting cost of a sewage treatment system is decreased. The ammonia nitrogen and total nitrogen can be efficiently removed, and long-term stable operation of reactors is ensured.
Owner:CHINA PETROLEUM & CHEM CORP +1
Cuisine maker space and operation method
InactiveCN106056489AImprove the success rate of innovation and entrepreneurshipConducive to extreme utilizationMarket data gatheringConfiguration optimizationClosed loop
The invention designs a Cuisine maker space for ecological configuration optimization, collaborative sharing and joint venture of innovative venture resources in the field of delicious food. The venture factors constituted by resources in the space are arranged as a cyclic closed-loop ecological maker space of a venture value chain in the field of delicious food, and the Cuisine maker space is an innovative venture group or a joint innovative venture group constituted by an independent corporate body.
Owner:刘应江
Plasma ignited composite burner system for dried pulverized coal gasification furnace
ActiveCN102071066AReduce start-up costsReduce manufacturing difficultyGranular/pulverulent flues gasificationInner loopPlasma generator
The invention provides a composite burner system with a plasma ignition device for a dried pulverized coal gasification furnace. The system comprises an outer loop pipe, an inner loop pipe and a central pipe, wherein the bottom end of the central pipe is sleeved in the inner loop pipe; the bottom end of the inner loop pipe is sleeved in the outer loop pipe; the top end of the central pipe is provided with a plasma generator; the central pipe is connected with the plasma generator by a flange, and is provided with pipelines which are connected with a pulverized coal-air supply system, a central gasifying agent supply system and a replacement gas supply system respectively; the inner loop pipe is provided with a pipeline which is connected with the pulverized coal-carrier gas supply system;and the outer loop ring is provided with a pipeline which is connected with an outer loop gasifying agent supply system. The pulverized coal is directly ignited by plasma, an oil burning mode and a gas burning mode in the past can be directly replaced by a coal burning mode, and the starting cost of the dried pulverized coal gasification furnace is lowered; meanwhile, the functions of ignition, work start and operation in an overall process can be finished by only one burner, so that the production difficulty of equipment and the operation complexity are effectively lowered.
Owner:DONGFANG ELECTRIC CORP LTD
Main circuit breaking method of circuit breaker and soft starting circuit breaker
InactiveCN108172478AImprove arc extinguishing abilityArc extinguishing cost reductionContactsCircuit-breaking switch contactsSeparation processVolt-ampere
The invention relates to a main circuit breaking method of a circuit breaker and a soft starting circuit breaker. The soft starting circuit breaker comprises an incoming and outgoing line power connection bar, a breaking chamber, a support device and a control device and is characterized in that a static contact and a movable contact are arranged in the breaking chamber, each of the two contacts or one of the contacts comprises a main conductive post and a non-main conductive post, the main conductive post is used for bearing circuit voltage / current transmission operation after the circuit breaker is completely switched off, the non-main conductive post is half-wrapped by the main conductive post and protrudes out of a breaking surface of the main conductive post, the non-main conductive post is provided with an elastic or telescopic structure, a non-linear volt-ampere resistance material is arranged or generated on at least one position on the non-main conductive post, the non-main conductive post at least comprises a connection buffer post, the non-main conductive post is in contact with an opposite contact and then the main conductive post is in contact with the opposite contactwhen the movable contact and the static contact are nearly contacted and closed, and the main conductive post is separated from the opposite contact and then the non-main conductive post is separatedfrom the opposite contact during the separation process of the movable contact and the static contact.
Owner:刘津立
Variable magnetic pole linear accelerator
InactiveCN1870400AEnhanced interactionHigh linear thrustPropulsion systemsElectromagnetic propulsionMagnetic poles
This invention discloses a pole-variable linear accelerator relating to structures of supply guideway and a synchronous core composing a pole device including a pole device, an orbit and a movement electromagnet, in which, the orbit is set on the magnetic device, the movement electromagnet is on the orbit, said magnetic device includes a first, a second, a third and the nth electromagnets arrayed in line and the pole directions of the magnets are the directions enabling the movement magnet to move along the orbit.
Owner:宋云卿
Low-cost ultra-short-focus projection lens
InactiveCN113311566AIncrease F#Reduced spherical aberration correction tasksProjectorsOptical elementsOphthalmologyProjection lens
The invention provides a low-cost ultra-short-focus projection lens, which comprises a refractor group and a reflector group, wherein the refractor group comprises a first lens group and a second lens group which only comprise spherical lenses, and a third lens group which at least comprises an aspherical lens. The low-cost ultra-short-focus projection lens has the advantages of few aspherical lenses and low cost.
Owner:黄国豹
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