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.
5425results about How to "Guaranteed normal operation" 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
Car sharing method and system
InactiveCN103617450AImprove efficiencyImprove securityTicket-issuing apparatusReservationsDatabase serverIn vehicle
The invention discloses a car sharing method and system. The system comprises a reserving terminal (1), a network server (2), a vehicle-mounted device (3), a radio frequency identification card (4) and a database server (5). The reserving terminal (1) is connected with the network server (2) by means of network communication. The radio frequency identification card (4) is connected with the vehicle-mounted device (3) through radio frequency. The vehicle-mounted device (3) is connected with the network server (2) through a network. The network server (2) is connected with the database server (5) through a network. A user reserves a car needed for use and a time period through the reserving terminal (1) and sends an order to the network server (2), the network server (2) sends the order to the vehicle-mounted device (3) of the corresponding car, the user takes the car by himself / herself after arriving at a specified parking site within the reserved time period and checking the identity with the vehicle-mounted device (3) through the radio frequency identification card (4) and returns the car by himself / herself to the specified parking site within the reserved time period, and the network server (2) conducts expense settlement according to the order time of the user and the traveling distance of the car after the car is returned.
Owner:HANGZHOU EVNET INTELLIGENT TECH CO LTD
System simulation method for connecting large-scale wind power into power grid in centralization way
ActiveCN101764413AAccurate securityGuaranteed normal operationSingle network parallel feeding arrangementsWind energy generationWind drivenElectric power system
The invention proposes a system simulation method for connecting large-scale wind power into a power grid in a centralization way and an effective equivalent mode of a high-capacity wind power station. Based on the synchronization operating characteristics of the large-scale wind power, the invention makes the large-scale wind power synchronization simulation analysis principle under the comprehensive consideration of the influences of the wind resource characteristics of wind power generation, the dynamic response characteristics of a wind driven generator and the differentiation characteristics of different types and different control modes of various wind driven generators and the like; therefore, the invention constructs the complete analytical framework and flows of the system simulation assessment with the large-scale wind power being connected into the power grid. The simulation analysis result shows that the system simulation method can comprehensively, objectively and accurately assess the impact and the safety bottleneck to the stable running of a power system caused by wind power synchronization after the base synchronization of the large-scale wind power due to the affection to the dynamic response characteristics of the power system by the differentiation of the types and the response characteristics of various wind driven generators and the wind resource characteristics. Therefore, the method is beneficial for the scheduling and operating staff to accurately grasp the affection to the system characteristics by the connection of the large-scale wind power and the law of the connection of the large-scale wind power, and has significant meaning for instructing and making the corresponding precautionary and improved measure and ensuring the normal running of the system after the connection of wind power.
Owner:CHINA ELECTRIC POWER RES INST +1
Method and device for monitoring and controlling network risks
ActiveCN102111307AAchieve precise monitoringGuaranteed normal operationData switching networksTolerance limitStatistical analysis
The invention provides a method and device for monitoring and controlling network risks. The method comprises the following steps: step one, selecting the sample space of network objectives of some network element (NE), carrying out statistic analysis on the sample point data of the sample space, and calculating a dynamic baseline, wherein the network objectives comply with a normal distribution character; step two, according to preset tolerability and the dynamic baseline, determining the upper tolerance limit and the lower tolerance limit of the network objectives as early warning thresholds for triggering an early warning generating mechanism of the predictive network objectives; and step three, judging whether values of the predictive network objectives which are monitored and controlled in real time exceed the early warning thresholds; and if the values exceed the early warning thresholds, triggering the early warning generating mechanism. By realizing a dynamic threshold method, the threshold values can be set more reasonably and accurately, multiple early warning grades can be triggered, accurate monitoring and control for networks is reached, hidden failures in the networks are found, and finally after-event problem analysis of the prior art for the network failures is changed into initiative monitoring and controlling of the network objectives before problems generate, thus effectively ensuring the normal operation of the networks.
Owner:成都亿阳信通信息技术有限公司
Retractable wind turbines
InactiveUS20100172759A1Protection from damageGuaranteed normal operationRotational speed controlPropellersState of artTurbine blade
A wind turbine electrical generating device is described where the blades that comprise the airfoil are retractable during operation. This feature allows for a number of improvements over the current state of the art including damage protection and the ability to remain operational during high wind conditions. Further described is a computer feedback loop that controls the degree of retraction. In addition, lightweight airfoil turbine blades are described that are assembled from discrete segments.
Owner:SULLIVAN JOHN T
Lightweight terminal block chain system
InactiveCN107317672AIncrease credibilityImprove immutabilityFinanceEncryption apparatus with shift registers/memoriesTransaction dataTerminal equipment
The invention provides a lightweight terminal block chain system. The system comprises a plurality of nodes, wherein the nodes comprise a core node and lightweight nodes; the core node is used for participating in block chain consensus, keeping accounts and generating a new block, and the block comprises a block head and a block main body; the lightweight node stores the block head and participates in node discovery, transaction broadcast and transaction validity verification. By adoption of the lightweight terminal block chain system, when a lightweight terminal device accesses the network, the lightweight terminal device participates in the transaction verification, transaction broadcast, block check and other functions of the block chain system, so that the transaction data in the block chain network back up more transaction information that cannot be tampered on more devices, thereby fully utilizing the idle resources of a part of terminal devices, and enhancing the reliability and the non-tampering property of the block chain system. Meanwhile, the system fully considers the limited storage, calculation and network resources of the terminal devices, so that the terminal devices join in the block chain system by the lightweight nodes, that is, maintain the normal operation of the block chain system by very small resource costs.
Owner:GUANGDONG YOUMAI INFORMATION COMM TECH
Desktop 3D-printing forming device
The invention relates to a desktop 3D-printing forming device comprising a base plate, a machine frame and connection blocks. The machine frame is a bottomless rectangular frame and is fixed on the base plate; vertex angles of the machine frame are provided with the connection blocks, adjacent connection blocks are connected with Y-direction guide rails, and transmission systems are arranged above the connection blocks and between adjacent connection blocks; the end of one transmission system at one side is connected to one end of a step motor output shaft, and the other end of the step motor output shaft is connected to the end of the other transmission system at the other side; the Y-direction guide rails which are on two opposite sides are provided with slide blocks, and the top end of the Y-direction guide rails which are on two opposite sides are connected with the transmission systems; X-direction guide rails are arranged between the slide blocks which are two opposite sides, and printing systems are arranged between the X-direction guide rails; the printing systems are connected with wire feeders; the base plate is vertically provided with a linear motor, and output shaft is a Z-direction guide rail; the Z-direction guide rail is connected with one end of an installing beam; and a heating work plate is arranged on the top of another end of the installing beam, and is under the printing systems. Moulding precision is high, processing speed is fast, technology is simple, cost is low, and the desktop 3D-printing forming device can be widely applied in household and the field of teaching.
Owner:NINGBO HECHUANG RAPID TECH
Display panel and repairing method thereof
InactiveCN105023522AGuaranteed normal operationStatic indicating devicesSolid-state devicesComputer scienceRepair method
The invention provides a display panel and a repairing method thereof. The repairing method comprising the steps of: a) providing a display panel, which comprises a substrate and a plurality of pixel units. The plurality of pixel units are disposed on the substrate, wherein each pixel unit comprises at least one connection pad, the at least one light-emitting element and at least a first alternate connection pad, the connection pad is provided on the substrate, the light emitting element is disposed on the connection pad and pad electrically connected with the connection, and the first backup connection pad is provided on the substrate and the connection pads electrically connected; 2) a testing process to determine whether the light emitting element is in an abnormal state function; and 3) a repair process, when detecting that the light emitting element of a pixel unit functional abnormality, there is provided a first light emitting element so as to form a first alternate alternate abnormality in the light emitting element having a function of pixel cells connected to the pad. Through the repair method, each pixel unit Jieneng normal operation and emits preset light color.
Owner:AU OPTRONICS CORP
Method for preparing foam material reinforced silica aerogel composite material
The invention discloses a method for preparing a foam material reinforced silica aerogel composite material and relates to silica aerogel. The method comprises the following steps of: preparing silica plural gel and aging the silica plural gel, modifying and drying. Through test, porosity is 80 t o 95 percent, density is 0.15 to 0.5g / cm<3>, the Brunauer-Emmett-Teller (BET) specific surface area is 600 to 1,100m<2> / g, and a water contact angle is 130 to 160 degrees; the foam material reinforced silica aerogel composite material is super hydrophobic; aerogel pore size distribution is relativelycentralized and the pore size of the aerogel is 2 to 50nm; and coefficient of heat conductivity is 0.01 to 0.035 W / (m.K), compression strength is 0.3 to 2Mpa (2 percent deformation), and elastic modulus is 1 to 5 Mpa. Meanwhile, the foam material reinforced silica aerogel composite material has good heat insulation performance, and adsorption performance, environment-friendliness and the other excellent performance. The method is simple, is short in a cycle, low in cost, and high in safety, and contributes to large-scale production; and by the method, excellent performance of the aerogel can be kept and the mechanical property of aerogel can be improved.
Owner:ZHONGKE RUNZI (CHONGQING) ENERGY SAVING TECH CO LTD
Nutrient meal-following food and producing method thereof
ActiveCN103053938AGuaranteed normal operationSmooth dischargeFood preparationPolygonum fagopyrumPlant cell
The invention discloses a nutrient meal-following food and a producing method thereof. The nutrient meal-following food is characterized by comprising the following components in parts by weight: 0.5-1.5 parts of polished round-grained rice, 0.5-1.5 parts of white rice, 0.5-1.5 parts of black rice, 0.5-1.5 parts of barley, 1.5-2.5 parts of buckwheat, 0.5-1.5 parts of wheat, 1.5-2.5 parts of oats, 1.5-2.5 parts of coix seeds, 1.5-2.5 parts of millets, 1.5-2.5 parts of corns, 1.5-2.5 parts of broomcorn and 1.6-2.4 parts of sesames. The producing steps are as follows: (1) mixing and cleaning the raw materials, and then soaking the mixture for 8-12 hours (2) steaming the raw materials thoroughly and then airing the raw materials to 30 DEG C; (3) adding fermentation strains and the raw material soaking water in the step (1) into the raw materials in the former step and mixing uniformly; (4) fermenting at a constant temperature of 30 DEG C for 30-35 hours; (5) repeating the step (3); (6) fermenting at a constant temperature of 30 DEG C for 24-30 hours; (7) grinding the well-fermented raw materials into paste; (8) drying the paste into powder and packaging the powder in a sealing manner. The nutrient meal-following food has rational allocation, results in no digestion discomfortableness to the intestines and stomach as the surfaces of the coarse grains are softened through biological fermentation, and is better for the absorption of an organism as the plant cell walls are destroyed by enzymes under the action of microorganisms.
Owner:姜桂英
Novel efficient and natural attractant
ActiveCN102217713APromote secretionEliminate gasFood processingAnimal feeding stuffAquatic animalFeed additive
The invention relates to natural attractants, belonging to the field of feed additives. One natural attractant is mainly composed of a dried tangerine peel crushed substance, a hawthorn crushed substance, a cinnamon crushed substance, a mugwort leaf crushed substance, and composite microbial powder. The other natural attractant is mainly composed of a dried tangerine peel extractive, a hawthorn extractive, a cinnamon extractive, a mugwort leaf extractive, and composite microbial powder. The attractants provided by the invention has the advantages of promoting the ingestion of livestock, poultry and aquatic animals, increasing the ingestion speed and feed intake of the livestock, poultry and aquatic animals, avoiding the indigestion caused by overfeeding, increasing the feed intake and digestibility of the animals to the feeds hard to digest, expanding the application range and usage amount of unconventional feed materials, enhancing the immunity and anti-stress capability of the animals, resisting diseases, promoting growth, decreasing the production cost of the animal feeds and increasing the production benefits; the attractants contain no antibiotic and chemical medicine as well as drug residue, can be used for a long time without causing drug resistance, and have safety and high efficiency.
Owner:BEIJING KEEPYOUNG TECH
Guiding centralizer mechanism for single-pile foundation of offshore wind turbine
InactiveCN102660950AGuaranteed normal operationMeet the requirements of verticalityBulkheads/pilesHydraulic cylinderTurbine
The invention provides a guiding centralizer mechanism for a single-pile foundation of an offshore wind turbine. The guiding centralizer mechanism comprises a frame, a clamping and guiding mechanism, a horizontal adjusting mechanism and a vertical adjusting mechanism, wherein the frame is fixed onto a workboat, the horizontal adjusting mechanism and the vertical adjusting mechanism are arranged on the frame, and the clamping and guiding mechanism is connected with the vertical adjusting mechanism. The guiding centralizer mechanism is driven and controlled by a hydraulic cylinder and functions in clamping, guiding and centralizing the single-pile foundation of the offshore wind turbine, the pile foundation can be vertically piled into a seabed by a pile hammer during piling and prevented from deflecting during piling, normal running of the wind turbine is ensured, and wind generation efficiency is improved.
Owner:CHINA NAT OFFSHORE OIL CORP +2
Induction heating continuous magnesium-smelting system and continuous magnesium-smelting technique
The invention discloses a system of inductive heating continuous magnesium smelting and a continuous magnesium smelting technique. The system comprises a continuous feeding device, an inductive heating reaction chamber, a magnesium steam condensing device and a continuous discharging device; wherein the feeding device consists of a feeding housing and a spiral feeding mechanism, the reaction chamber comprises an inductive heating winding, a heating element, a clapboard with holes and a slag cooling device, the condensing device consists of a mesh clapboard, a dust deposition chamber, the magnesium steam condensing chamber, the continuous discharging device comprises spiral slag discharging mechanism and slag housing. The continuous magnesium smelting technique consists of the processes of the continuous feeding of reacting burden into the reaction chamber, the continuous condensation of the magnesium steam and the discharge of liquid magnesium, and also comprises steps of the continuous feeding of reacting slag into the slag housing and slag discharging. The invention has high heat energy utilization rate, and can realize the low cost continuous production of the metal magnesium.
Owner:CENT SOUTH UNIV
Refrigeration control method and device and air conditioner
ActiveCN105333563AIncreased likelihood of normal workGuaranteed compression ratioSpace heating and ventilation safety systemsLighting and heating apparatusFrequency intervalLower limit
The embodiment of the invention discloses a refrigeration control method and device and an air conditioner and relates to the technical field of temperature control. It can be guaranteed that on the basis of reliability of the air conditioner, low-temperature refrigeration of the air conditioner is achieved. According to the specific scheme, the current value of the outdoor environment temperature is acquired, when the current value of the outdoor environment temperature is higher than a first preset temperature and lower than a second preset temperature, a compressor of the air conditioner is controlled to run under the frequency within a first running frequency interval, and an outdoor unit fan of the air conditioner is controlled to run at a rotating speed within a first rotating speed interval; and the frequency lower limit value of the first running frequency interval and the rotating speed upper limit value of the first rotating speed interval are running frequency of the compressor and the rotating speed of the outdoor unit fan respectively when the air conditioner performs refrigeration at the first preset temperature and the compression ratio of the compressor is at least the recommended compression ratio. The refrigeration control method and device are used in the temperature adjusting process of the air conditioner.
Owner:广东科龙嘉科电子有限公司
Technology for reducing waste incineration fly ash via water logging pretreatment
InactiveCN104084415AAchieve separationLoss of mobilitySolid waste disposalReduction treatmentResource utilization
The invention relates to a technology for reducing waste incineration fly ash via water logging pretreatment, and the technology is particularly suitable for the treatment of waste incineration fly ash with salt content higher than 20%. A water logging dechlorination manner is used for treating waste incineration fly ash; by prolonging the logging time, the water consumption is greatly reduced, a subsequent wastewater treatment process is simplified at the same time and a soluble salt resource is recycled; before fly ash enters into a furnace, most of heavy metals and chlorine salts are removed, a matrix of fly ash is purified, and by virtue of existing incineration equipment of waste incineration power plants, pollutants such as dioxin are thoroughly degraded, so that the overall normal running of a waste incineration line is ensured and the harmless and reduction treatment of waste incineration fly ash is realized. The technology has a characteristic of correct in-situ treatment, and is simple in process and low in investment and operation costs; by gathering most of heavy metals and salts in heavy metal plaster and gathering little of the two in secondary fly ash, the reduction of waste incineration fly ash is realized, and then a favorable foundation is laid for the subsequent further treatment or resource utilization.
Owner:TIANJIN YIMING ENVIRONMENTAL TECH CO LTD
Bridge apparent state automatic detection device and method based on charge coupled device (CCD) array photographic technique
InactiveCN102183525AGuaranteed normal operationShorten the timeOptically investigating flaws/contaminationProcess systemsTime efficient
The invention relates to a bridge apparent state automatic detection device based on a charge coupled device (CCD) array photographic technique and a bridge apparent state automatic detection method based on a charge coupled device (CCD) array photographic technique. The bridge apparent state automatic detection device consists of a CCD video camera array, a scanning frame, an image acquisition card, a computer, detection management software and a detection vehicle and is characterized in that: the CCD video camera array is arranged on the scanning frame; the bottom of the scanning frame is fixed on the detection vehicle positioned on or below a bridge; the CCD video camera array is connected with the image acquisition card through leads; the image acquisition card is arranged on the computer; the CCD video camera array transmits synchronous bridge bottom and side defect images to the computer in real time; and the detection management software realizes synthesis, processing, defect identification and data management of the bridge apparent defect images. A computer video technique is applied to the bridge apparent defect detection and a judgment result is directly provided by a reliable CCD automatic data acquiring and process system, so that time is saved, working efficiency and precision are improved, and the normal operation state of the bridge can be guaranteed.
Owner:单宝华 +1
Electronic control for a hydraulically driven auxiliary power source
ActiveUS8269360B2Extend system lifeLow costGenerator circuit arrangements controlFluid couplingsHydraulic motorHydraulic pump
A hydraulic system includes a variable displacement hydraulic pump connectable to a power source, a hydraulic motor, a fluid circuit, a pump displacement control, and a controller. The pump has an inlet for receiving fluid, an outlet for discharging pressurized fluid, and a pump displacement input. The motor has an inlet for receiving pressurized fluid and an outlet for discharging spent fluid. The fluid circuit includes a supply conduit for conducting fluid discharged by the pump to the motor and a return conduit for returning fluid discharged by the motor to the pump. The pump displacement control cooperates with the pump displacement input to vary pump displacement. The controller communicates with the pump displacement control to control the pump output such that the motor is driven at a constant speed to thereby drive a generator connected to the motor at a constant speed despite speed fluctuations of the power source.
Owner:UUSI
Method of monitoring a filter system for a paint spray booth
InactiveUS6887293B1Reduce usageGuaranteed normal operationCombination devicesAuxillary pretreatmentFilter systemEngineering
The invention is a method of monitoring a filter for absorbing paint particles produced during spray painting with a spray gun in a paint spray booth coupled to an exhaust pump, the method includes the steps of: 1) installing a filter between the booth and exhaust pump; 2) determining the initial pressure drop across a filter prior to use of the spray booth; 3) determining the maximum allowable pressure drop for the filter prior to the requirement that spraying activities must be terminated by adding the initial pressure drop of the filter to the maximum allowable increase in pressure drop across the filter before the of spraying activities must be terminated; 4) providing a warning when a first portion of the maximum allowable pressure drop is reached; and 5) preventing the use of the spray gun when a second portion, greater than the first portion, of the maximum allowable pressure drop is reached.
Owner:NORTHROP GRUMMAN SYST CORP
Power supply plugging system
ActiveCN106602351AReliable lockingGuaranteed normal operationCoupling device detailsTwo-part coupling devicesEngineeringElectrical connector
The invention discloses a power supply plugging system. The system comprises a shell (1) and a walking cavity (2) arranged inside the shell (1). The left side of the walking cavity (2) is communicated with a plug sliding cavity (3). A power supply base (4) is arranged on the right side of the walking cavity (2). A power supply socket (41) is arranged in the power supply base (4). A plug device of electrical equipment is arranged in a sliding manner in the plug sliding cavity (3). The plug device includes a plug body (5), a holding block (53) arranged on the plug body (5), a square lock slot (51) arranged on the plug body (5), and an electrical connector (52) arranged on the right side face of the plug body (5). The electrical connector (52) is used for being connected with the power supply socket (41) to supply power. The edge of the right side face of the plug body (5) is provided with a guide slope (55).
Owner:陕西康斯特唯电气工程有限公司
Automatic charging system based on snakelike-simulated mechanical arm and method
InactiveCN109435730AImprove gripCooperate accuratelyCharging stationsElectric vehicle charging technologyMicrocomputerControl system
The invention discloses an automatic charging system based on a snakelike-simulated mechanical arm. The automatic charging system comprises the snakelike-simulated mechanical arm, a charging device and a control system, and further comprises all control and execution modules, the control and execution modules are mutually matched, and whether to-be-charged vehicles exist or not can be automatically induced through a vehicle induction module; a charging-port pre-alignment module identifies charging ports through installed sensors, and general orientations of the charging ports are preliminarilycalculated; a main control module of a microcomputer is prepared, and is installed in a charging pile base, and the main control module controls the mechanical arm to clamp charging guns to move in the pre-alignment direction; an accurate alignment module of a snakehead-simulated joint accurately determines positions of the charging ports through the corresponding sensors and charges the to-be-charged vehicles. According to the automatic charging system based on the snakelike-simulated mechanical arm, vehicle using experiences of new-energy vehicles and automatic guide vehicles are greatly improved, the automatic charging requirements of automatic sites such as automatic-parking-place vehicles are met, a complete automatic parking and automatic inter-vehicle service system is formed, thelabor cost is greatly reduced, and the running efficiency is improved.
Owner:TONGJI UNIV
Multifunctional monitoring system for ensuring safety of construction site
InactiveCN107544326AQuality assuranceEnsure safetyProgramme controlComputer controlEngineeringEmergency situations
The invention discloses a multifunctional monitoring system for ensuring safety of a construction site. The system comprises a non-contact attendance device, a person positioning device, an environment monitoring device, an equipment monitoring device and a monitoring platform, wherein the non-contact attendance device is used for carrying out attendance on a person entering a site through identification; the person positioning device is used for carrying out real-time positioning and trajectory tracking on a worker in the construction field; the environment monitoring device is used for monitoring dust, noise, particles, a wind speed, a wind direction, temperature and humidity in real time; the equipment monitoring device is used for carrying out real-time monitoring and remote control onuse time, frequency, current and voltage of each piece of electrical equipment; and the monitoring platform is used for integrating, analyzing and processing monitored data of each device. All-direction real-time monitoring such as person identification, position positioning, the environment and the equipment can be carried out on the construction site, and thus, emergencies can be handled effectively, the life safety of the construction person is protected, the environment is protected, the normal operation of the equipment is maintained, the construction quality is ensured, and the safety of the construction site is ensured.
Owner:深圳市易联智道科技有限公司
Method for correcting navigation positioning data
ActiveCN1888824AHigh precisionTimely detectionInstruments for road network navigationNavigational calculation instrumentsNavigation systemCorrection method
The invention is concerned with the navigation system and the emendation method of the navigation orientation data, in order to conquer the shortage of the existing technology, provide a emendation method that can emendate the navigation orientation data accurately especially fit for farmland busywork. The invention is: the map registration provides the more accurate electronic map to the system, compares the orientation data point of every sensor and the known skyway that prearranges to be track, and then processes general estimation, works out emendation data point with higher reliability. The invention is consists of four processes namely the map registration, the sensor data prearrangement, the emendation value decision-making, the new orientation data point creating.
Owner:SOUTH CHINA AGRI UNIV
Fully automatic assembling machine for spring fasteners
InactiveCN108390236AQuick and automatic assemblyHigh efficiency of one-time assemblyContact member assembly/disassemblyAssembly machinesDistribution controlMaterial distribution
Owner:DONGGUAN UNIV OF TECH
Method for preparing high-purity cyclopentadiene
ActiveCN102060649AMild reaction conditionsControllableHydrocarbon by depolymerisationReboilerNitrogen gas
The invention relates to a method for preparing high-purity cyclopentadiene, which comprises the following steps of: heating a thermal decomposer containing purified conduction oil and a composite inhibitor and a rectifying reboiler to a specified temperature; adding dicyclopentadiene serving as a crude product into the thermal decomposer continuously and stably; allowing the depolymerized cyclopentadiene to enter a rectifying column; extracting high-purity cyclopentadiene from a tower top, heating a small amount of dicyclopentadiene and by-products by the reboiler at the tower bottom to rectify the small amount of dicyclopentadiene and by-products again, and recycling kettle liquid. The method has the advantages of simple equipment, high production capacity, little coking and long service life of the conduction oil serving as a raw material and the equipment.
Owner:PETROCHINA CO LTD
Electronic control for a hydraulically driven auxiliary power source
ActiveUS20100097040A1Extend system lifeLow costGenerator circuit arrangements controlServomotor componentsHydraulic motorHydraulic pump
A hydraulic system includes a variable displacement hydraulic pump connectable to a power source, a hydraulic motor, a fluid circuit, a pump displacement control, and a controller. The pump has an inlet for receiving fluid, an outlet for discharging pressurized fluid, and a pump displacement input. The motor has an inlet for receiving pressurized fluid and an outlet for discharging spent fluid. The fluid circuit includes a supply conduit for conducting fluid discharged by the pump to the motor and a return conduit for returning fluid discharged by the motor to the pump. The pump displacement control cooperates with the pump displacement input to vary pump displacement. The controller communicates with the pump displacement control to control the pump output such that the motor is driven at a constant speed to thereby drive a generator connected to the motor at a constant speed despite speed fluctuations of the power source.
Owner:UUSI
Electronic control for a hydraulically driven generator
ActiveUS7053498B1Extend system lifeReducing warranty returnHybrid vehiclesAuxillary drivesProportional controlHydraulic pump
Electronic control for a hydraulic system driving an auxiliary power source is provided, with specific application as a system for controlling the operation of a hydraulically driven AC generator. The system may includes a hydraulic pump, a hydraulic motor drivably connected to the generator, a fluid circuit for circulating fluid from the pump to the motor and back. The fluid circuit may contain a bypass conduit to bypass the motor. The system also includes a proportional servo control valve assembly for controlling the fluid circuits and a control circuit for controlling the proportional control valve assembly. The control system can be capable of controlling the flow of hydraulic fluid to the motor powering the electrical or mechanical system. Sensors for measuring the operating parameters of the system and an operator interface module can influence the operation of the system.
Owner:UUSI
Electronic control for a hydraulically driven generator
ActiveUS8269359B2Extend system lifeLow costGenerator circuit arrangements controlFluid couplingsHydraulic motorOperator interface
Owner:UUSI
Fireproof coating composition and application thereof
InactiveCN1544559AImprove performanceGood effectFireproof paintsRubber derivative coatingsComposite filmCombustion
The invention relates to a fire-resisting paint and its use, wherein the fireproofing coating composition comprises composite film forming resin 15-30 wt. portions, expansion combustion inhibitor 27-40 wt. portions, flame-proof insulating material 2-15 wt. portions, fabric filling material 1-5 wt. portions, coating material solvent 30-45 wt. portions, wherein the particle mean size of the solid state components is 1-90 micrometer. The fireproofing paint can be applied to cable coating which can substantially extend the fire-resistant period for the cable.
Owner:SHANGHAI BEIAN IND
Distributed service integrated system for service-oriented architecture and application method thereof
InactiveCN102624919ARealize dynamic managementImprove availabilityTransmissionNode clusteringService control
The invention discloses a distributed service integrated system for a service-oriented architecture and an application method thereof and belongs to computer application technique. The defects that a present service system cannot perform dynamic management, the automatic expanding and contracting capacities of service component examples are poor and the simultaneous proceeding of large-scale service system examples cannot be supported are overcome. The distributed service integrated system is mainly composed of a deploying node cluster, a service control processor, a resource control server, a Web gateway and a service access point. According to the distributed service integrated system provided by the invention, the operations by a service provider and a user are simplified; a stable operation environment is provided; multiple operation requests of service systems are concurrently processed; when the deploying nodes are subjected to fault crash, the relation thereof is analyzed, and the corresponding examples are informed of registered information and are caused to correspondingly process, so that the service supplied by the service system can be recovered and be reusable within a short period of time and the high applicability of the system is realized; and the distributed service integrated system is suitable for being popularized and applied.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
Block chain block building method for Byzantine fault tolerant algorithm of quartic communication
ActiveCN106447311AImprove performanceIncrease the number ofPayment protocolsPayment circuitsByzantine fault toleranceDigital signature
The invention provides a private block chain block building method for a Byzantine fault tolerant algorithm of quartic communication. The method comprises: (1) all nodes carrying out hash mapping on the received transactions to obtain a bitarray sent to all remaining nodes, and each node carrying out 2 / 3 AND operation on the received bitarray to obtain a bitarray corresponding to a transaction intersection of over 2 / 3 nodes; (2) a block building node obtaining a transaction set according to the bitarray for building a block, and submitting the block to the remaining nodes; (3) a node receiving the block completing verification by comparing self bitarray with the transaction set in the block, and sending a digital signature of the verification result to all the remaining nodes after verification; and (4) forwarding all vote signatures received by all nodes on the block in second vote so that each node receives votes of all the nodes, and collecting statistics on the votes to obtain a final result, thus determining whether to accept the block.
Owner:ZEU CRYPTO NETWORKS INC
Cloud desktop system
ActiveCN103841179ARelieve pressureGuaranteed normal operationData switching networksSoftware simulation/interpretation/emulationData operationsNetworked system
The invention discloses a cloud desktop system. A user terminal is provided with a system disc, wherein the system disc is stored with a system distribution file which includes a desktop operating system, and the desktop operating system and a loud desktop client terminal are arranged on the user terminal; the cloud desktop client terminal sends a linking request including identification information of the user terminal to a cloud server after the desktop operating system of the user terminal is launched; the cloud server is provided with a management terminal and a network system disc; the management terminal synchronizes the system distribution file including the desktop operating system on the system disc of the registered user terminal to the network system disc corresponding to the user terminal according to a first set time interval. According to the cloud desktop system, the operating system is arranged on a local terminal, so that data operation can be carried out on the user terminal by users, pressure of the cloud server can be relieved, and offline data operation is supported. The cloud desktop system has the advantages of being stable in work, high in efficiency, good in security, and capable of supporting users of different requirements to choose and use.
Owner:SHANGHAI BAOSIGHT SOFTWARE CO LTD
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