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45results about How to "Good emission" patented technology
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Intelligent environment-friendly type vehicle structure
ActiveCN101357616AImprove performanceImprove responsivenessElectric/fluid circuitIntelligent environmentDriver/operator
The invention relates to an intelligent environment-friendly automobile structure which pertains to the technical fields of new energy and intelligent automobile design and comprises an automobile shell, wheels, facilities in a carriage, a vehicle sensing system, a power system, a transmission system, a brake system, a steering system and a vehicle control system; the vehicle sensing system is a system for sensing the external environment and vehicle attitudes, wherein, the system for sensing the external environment and the vehicle attitudes, the vehicle control system, the steering system, the brake system, the transmission system and the power system are respectively connected with a vehicle CAN bus; the automobile structure can greatly improve the response characteristics of the systems in operation and systematically increase the performance of the whole automobile, carry out the expected state recognition and trajectory planning of an automobile and further improve fuel economical property and emission performance under the operation of a driver. Due to the coordination and integrated control of all the systems, the whole automobile achieves the optimal systematical economical property, emission performance, safety and comfort.
Owner:TSINGHUA UNIV
Intelligent full-wheel electric drive automobile structure
InactiveCN101353011AImprove performanceImprove responsivenessElectric propulsion mountingVehicular energy storageActive safetyDriver/operator
The invention relates to an intelligent all-wheel electric driving automobile structure, belongs to the design technical field of pure electric automobiles and intelligent automobiles and comprises a sensing system of the external environment and vehicle attitudes, a dynamic system, a transmission system, a braking system, a steering system and a vehicle control system as well as an automobile shell, wheels and facilities inside the automobile carriage; wherein, the sensing system of the external environment and vehicle attitudes exchanges information with the vehicle control system through a CAN bus in real time; the vehicle control system comprises a part controller and a whole vehicle controller and the dynamic system comprises four driving motors and a power battery; the transmission system transfers the power to the wheels to drive the wheels to move; the braking system and the four motors make blend brake of vehicles according to instructions of the vehicle control system. The structure can realize the advantages in aspects such as the economy and emission of the pure electric automobiles and the active safety, comfortableness and performance of drivers of traditional intelligent automobiles simultaneously.
Owner:TSINGHUA UNIV
Automobile dual-fuel supply system based on single fuel rail and single fuel injector set
ActiveCN102588124AImprove control efficiencyFlexible and convenient controlEngine controllersMachines/enginesMethanol fuelGasoline fuel
The invention discloses an automobile dual-fuel supply system based on a single fuel rail and a single fuel injector set, which relates to automobile fuel supply systems. The system is structurally characterized in that a gasoline fuel tank, a gasoline pump, a gasoline pressure adjustor, a gasoline one-way valve, a three-way valve, a fuel rail, a fuel injector and an engine are sequentially connected to form a gasoline fuel supply unit, a methanol fuel tank, a methanol pump, a methanol pressure adjustor, a methanol one-way valve, a three-way valve, the oil rail, the fuel injector and the engine are sequentially connected to form a methanol fuel supply unit, and an electronic control unit is respectively connected with two sensors and four executive parts to realize control and switching from the gasoline fuel supply unit to the methanol fuel supply unit. By means of the automobile dual-fuel supply system, high power performance, fuel economy, environment-friendliness in discharge and safety and reliability in control can be obtained.
Owner:武汉菱电汽车电控系统股份有限公司
Low emission, non-oxygenated fuel composition
InactiveUSH2182H1Good performanceGood emissionSolid fuelsLiquid carbonaceous fuelsChemistryReid vapor pressure
Provided is an unleaded gasoline fuel which is substantially free of oxygenates, and most preferably contains substantially zero oxygenates. The gasoline fuel also has a Reid vapor pressure less then 7.5 psi, a sulfur content less than 30 ppmw, an aromatic hydrocarbon content between 25 and 30 volume percent, and / or a 50% D-86 Distillation Temperature between 210 and 220.degree. F., and / or a 90% D-86 Distillation Temperature between 300 and 330.degree. F., and the fuel composition fails the California Predictive Model requirements for emissions. Preferably, the olefin content of the fuel is also 8 volume percent or less. Such a gasoline fuel offers a substantially oxygenate free gasoline which avoids the environmental impact of oxygenates, yet when combusted in an internal combustion automobile provides good performance and good emissions, despite failing the California Predictive Model. The gasoline fuel in particular can provide surprisingly lower NO.sub.x emissions than that predicted by the California Predictive Model.
Owner:CHEVROU USA INC
Waste gas-fuel reforming and recycling natural gas engine system and control method
ActiveCN107061053ARealize online preparationAvoid offeringInternal combustion piston enginesFuel supply apparatusWater vaporIntercooler
The invention discloses a waste gas-fuel reforming and recycling natural gas engine system and a control method. The waste gas-fuel reforming and recycling natural gas engine system comprises an engine, a fuel supply device, a gas tank used for supplying to the fuel supply device, a reformer and an intercooler. Engine fuel is directly subjected to a multiple reforming reaction with O2 and water vapor, so that reformed gas which is rich in H2 and CO is generated, and H2 production efficiency is high; online production of hydrogen is achieved, an extra fuel storage device or an extra hydrogen storage tank does not need to be provided, the safety is improved, and the size of the whole system is reduced; two pass tubes are adopted, so that the heat transfer coefficient is increased, and the reforming efficiency is improved accordingly; the reformed gas contains a large quantity of H2, the in-cylinder combustion speed is increased, and the lean burning extreme is widened; the oxygen concentration in a gas inlet pipe can be decreased through circulating waste gas, the specific heat capacity of working media is improved, and the in-cylinder combustion temperature is decreased; and by combining the reformed gas with the circulating waste gas, stable low-temperature lean burning of the natural gas engine can be achieved, and meanwhile, the HC concentration, the CO concentration and the NOx concentration can be decreased.
Owner:WUHAN UNIV OF TECH
Biodegradable lubricating oil
InactiveCN103194299AGood emissionExtend oil change intervalsLubricant compositionWorking temperatureCopper oxide
The invention relates to a biodegradable lubricating oil. The biodegradable lubricating oil is composed of base oil, an antioxidant, a corrosion inhibitor, an antifoaming agent, a metal deactivator, a demulsifier, an anti-wear agent and copper oxide powder, wherein the base oil is composed of synthetic base oil poly(alpha-olefin), synthetic base oil synthetic fat and synthetic base oil polyether; the antioxidant is anyone or a mixture of diarylamine and sterically hindered phenol, wherein the weight ratio of diarylamine to sterically hindered phenol in the mixture is 1:1; the corrosion inhibitor is a salt formed through using fatty acid and amine; the antifoaming agent is polydimethylsiloxane; the metal deactivator is a toluyltriazole derivative; the demulsifier is polyalkoxyphenol; the anti-wear agent is sulfurated triphenyl phosphate; and the copper oxide powder is nanometer powder, and the particle granularity of the powder is 25-35nm. The biodegradable lubricating oil has the advantages of simple preparation method, scientific and environmentally-friendly preparation scheme, degradability, high work temperature range, good lubricating characteristic, long service life, good protection to parts, high comprehensive performances, reasonable cost, realization of above 90% biodegradation of waste oil, extremely low gas discharge, and obvious energy saving effect.
Owner:陈冬梅
In-cylinder direct injection double-gas-fuel internal combustion engine capable of realizing ultra-lean combustion and control method
InactiveCN104948296ASatisfy lean burn requirementsChange the disadvantage of lack of powerElectrical controlInternal combustion piston enginesInlet channelCombustion
The invention relates to an in-cylinder direct injection double-gas-fuel internal combustion engine capable of realizing ultra-lean combustion and a control method, aims to solve the problems that combustion is unstable in an ultra-lean-combustion mode of a gas fuel spark ignition type internal combustion engine, the oil consumption is high and emission is heavy under the work conditions of cold start and small load and the like and develops a spark ignition type in-cylinder direct injection double-gas-fuel internal combustion engine capable of realizing ultra-lean combustion and a control method of the internal combustion engine. The internal combustion engine adopts an internal combustion engine technology combining in-cylinder direct injection and gas inlet channel injection based on double gas fuel, the internal combustion engine is provided with a gas flow control device which cooperates with a piston roof in a special shape, and accordingly, good mixed gas layering is realized. According to the special combustion characteristic of gas fuel, ultra-lean mixed gas in higher compression ratio can be adopted; gas flow movement of the mixed gas entering a cylinder is controlled, meanwhile, gas inflow is increased, ultra-lean combustion of the mixed gas in the cylinder is realized, the heat transfer loss is reduced, the heat efficiency is improved, and oil consumption and pollutants are reduced.
Owner:JILIN UNIV
Oil spouting ignition apparatus
The invention discloses an oil injection lighter, which comprises an oil rail (9), a cylinder cover (4), a fuel oil injector (10) and a spark plug (11), wherein, the spark plug (11) comprises a central electrode (2) and an insulator by which the central electrode (2) is coated; the fuel oil injector (10) and the spark plug (11) are integrated into a whole; the lower part of the fuel oil injector (10) is overlapped with the lower part of the spark plug (11); an included angle is formed between the upper part of the fuel oil injector (10) and the upper part of the spark plug (11); and the central electrode (2) on the lower part of the spark plug (11) is provided with a squirt hole (15) which is extended into a combustion chamber. The oil injection lighter adopts the structure that two independent important parts - the fuel oil injector and the spark plug of the prior engine are integrated into a part, thereby reducing the number of parts, being favorable for arrangement of an inlet pipe, the oil rail and the fuel oil injector, reducing the cost of the engine, and having a compact structure, good emission performance of the engine and low oil consumption of the engine.
Owner:CHERY AUTOMOBILE CO LTD
Sampling apparatus and method used for estimation of source intensity of non-point atmospheric pollution source
ActiveCN103383317AGood emissionAchieve uniformityAerodynamic testingWithdrawing sample devicesGas phaseDifferential pressure
The invention relates to a sampling apparatus and a sampling method used for estimation of the source intensity of a non-point atmospheric pollution source. The apparatus comprises a frequency-variable fan, a gas purifying tank, a differential pressure flowmeter and a sampling wind tunnel successively connected through pipelines, wherein the outlet of the sampling wind tunnel is connected with a wind tunnel outlet hybrid tube which is provided with a sampling port. According to the invention, the frequency of the frequency-variable fan is indicated and adjusted through the differential pressure flowmeter so as to purify a set flow of ambient air, and the purified ambient air is sent to the sampling wind tunnel, passes through the surface of the non-point source below the sampling wind tunnel at a corresponding sweeping air speed and carries pollutants given out by the surface of the non-point source; and the emission source intensity of the non-point source at the surface wind speed can be estimated through acquisition and determination of gas-phase concentration of the pollutants under such a condition at a sampling point of an outlet pipeline of the sampling wind tunnel and combined consideration of determined parameters like the flow of sweeping gas and a sweeping area. Compared with the prior art, the invention has the advantages of accuracy, reliability and the like.
Owner:TONGJI UNIV
Multi-fuel-capable gas turbine combustor
InactiveCN104870902ATake advantage ofGood emissionContinuous combustion chamberGas turbine plantsMultifuelCombustion chamber
Owner:KAWASAKI HEAVY IND LTD
Preparation method of concocted diesel oil
ActiveCN101007969AImprove wear resistanceGood emissionLiquid carbonaceous fuelsFuel additivesAromatic hydrocarbonViscosity
The inventon relates to a method for blending diesel, comprising following steps: (1) choosing two or more kinds of diesel, (2) blending with a certain ratio and getting blending diesel, testing the kinematic viscosity at 40 Deg. C for this blending diesel, testing or counting the sulfur content, total aromatic hydrocarbons content, polycyclic aromatics content and end point; (3) counting HFRR grinded spot diameter according to formula (1)- (5) in the instruction manual; (4) if the counted HFRR grinded spot diameter is in the intended range, the blending diesel will be needed diesel, and if not, repeating step (2)- (4) until the HFRR grinded spot diameter is in the intended range. The invention can conveniently blend diesel that meets II kind diesel standard.
Owner:CHINA PETROLEUM & CHEM CORP +1
Full-pressure high-speed exhausting air-supplying special valve
ActiveCN103047458AWith self-sealingImprove discharge permeabilityOperating means/releasing devices for valvesEqualizing valvesEngineeringCavity wall
The invention provides a full-pressure high-speed exhausting air-supplying special valve which comprises a cylinder, a main valve cavity arranged on the lower portion of the cylinder, a guiding exhaust barrel arranged in the main valve cavity, a sealing floating body arranged in the guiding exhaust barrel, a piston spring and a main valve piston with a vertical through hole. The main valve piston comprises a piston column, a cylinder piston and a sealing baffle, wherein the cylinder piston and the sealing baffle are arranged at the upper end and the lower end of the piston column respectively. A side wall on the lower portion of the cylinder is provided with an exhausting air-supplying port, a cavity wall of the main valve cavity is provided with a main valve port, the piston spring is sleeved on the piston column and located between the cylinder piston and an upper cavity wall of the main valve cavity, and the upper end of the sealing floating body corresponds to a lower port of the vertical through hole. The full-pressure high-speed exhausting air-supplying special valve has the advantages that the special valve is scientific in design, automatic sealing of the valve can be achieved without utilizing a floating ball and a lever, the sealing performance is good, and the discharging performance is good when water and gas alternate with each other.
Owner:ZHENGZHOU ALDU VALVE CO LTD
Radial two-stage rotational flow spray nozzle of combustion chamber
InactiveCN106678871AImplement combustion modeReliable ignitionContinuous combustion chamberCombustion chamberSpray nozzle
The invention discloses a low-pollution radial two-stage rotational flow spray nozzle of a combustion chamber. The radial two-stage rotational flow spray nozzle comprises a central fuel channel, a peripheral fuel channel and an annular air channel which are coaxially arranged in the radial direction, and the annular air channel is separated into a central air channel body and a peripheral air channel body by a splitter plate; the central air channel body and the peripheral air channel body are internally provided with a central rotational flow device and a peripheral rotational flow device respectively; and an outlet of the central fuel channel is provided with a premixing cavity. By means of the spray nozzle structure, combustion stability and good discharging performance are guaranteed, gas or liquid fuel, such as natural gas which is cleaner, can be utilized, and the radial two-stage rotational flow spray nozzle has the advantage that the work state is easy to adjust.
Owner:林宇震
Small and medium sized environment-friendly biomass water heater
InactiveCN105737373AReduce air supplyReduce analysisWater heatersAir/fuel supply for combustionAir volumeCombustion chamber
The invention relates to a small and medium sized environment-friendly biomass water heater. A bottom ash chute and bottom air ducts are formed in the bottom of a water heater body; a fire grate and a biomass fuel layer are arranged above the bottom ash chute and the bottom air ducts; combustion tuyeres are formed in an upper part combustion chamber above the biomass fuel layer; the upper surface of the upper part combustion chamber is connected with a combustion chamber outlet; the volume of air led into the biomass fuel layer from the bottom air ducts is 30 to 50 percent of the volume of air required for complete combustion; other air is fed into the upper part combustion chamber from the combustion tuyeres; the water heater ensures that the biomass fuel layer realizes the pyrolysis and gasification of biomass fuel, a large amount of combustible gas is separated out to be mixed with air fed into the combustion chamber from the combustion tuyeres, combustion is complete, and hot flue gas is emitted out of the water heater from the combustion chamber outlet. Formed NOx in the middle-upper part of the fuel layer can be reduced, so that the water heater shows excellent low NOx emission performance, heat release of the upper combustion chamber in the water heater is obviously increased, the temperature in the water heater is more uniform, the fuel layer temperature of fire grate is reduced, and NOx low emission is realized.
Owner:SHANGHAI NENGJIE ENVIRONMENT PROTECTION TECH CO LTD
Mobile diesel power generator
PendingCN107086466AImprove performanceEasy to operateSubstation/switching arrangement detailsItem transportation vehiclesThin walledDynamo
The invention relates to the technical field of a diesel engine-type emergency power van, in particular to a mobile diesel power generator. The mobile diesel power generator comprises a power generator main body (1), wherein the main body comprises inner blades (2), a motor rotation shaft (3) and an outer blade (4), a lightning rod (5) is arranged at the top of the rotor rotation shaft (3), the inner blades (2) are arranged in an upper layer and a lower layer and are all fixed by a diversion fixing disc (6), the inner blades (2) are in semi-circular shapes by bending a thin wall plate and are arranged in the upper layer and the lower layer, three blades in each layer are uniformly arranged, the blades in the upper layer and the lower layer are oppositely staggered by 60 degrees, so that a wind receiving surface without a dead angle is formed, and the power generation efficiency is higher.
Owner:周登荣
Compression ignition internal combustion engine using reactive agent
PendingCN112240239AEmission reductionImprove power-to-weight ratioInternal combustion piston enginesFuel injection apparatusActive agentInternal combustion engine
The invention discloses a compression ignition internal combustion engine using a reactive agent. Gasoline or diesel oil or methyl alcohol of a gas station serves as fuel, diffusion compression ignition and homogeneous lean combustion control are achieved, the heat efficiency is larger than 45%, the specific oil consumption is smaller than 185 g / kwh, and NOX emission is close to zero. The reactiveagent (fuel additive) capable of reducing the octane number of the fuel is used as auxiliary fuel. The fuel and the auxiliary fuel are mixed into uniform ignition fuel in am ignition fuel mixer. Theignition fuel is injected into a cylinder in a compression stroke of the internal combustion engine and diffuses and spontaneously combusts in compressed air, multi-point ignition is achieved, and acting fuel is ignited. The acting fuel is injected into an air inlet channel in an air inlet stroke or injected into the cylinder to be premixed with air, and relatively uniform mixed gas is formed in the cylinder. The proportion of the ignition fuel in the fuel is about 3-10%. When 92# gasoline is used as fuel, the consumption of the auxiliary fuel is about 0.1% that of the fuel, and about 0.45 L of the auxiliary fuel is consumed when an automobile runs 10,000 kilometers.
Owner:ZHOU (BEIJING) AUTOMOTIVE TECH CO LTD
Highly effective low discharging methanol engine
InactiveCN101285437AImprove efficiencyLow costInternal combustion piston enginesEngine controllersExhaust valveInlet valve
The invention aims to provide a methanol engine with high efficiency and low emission, comprising a cylinder body provided with a piston inside and a cylinder cover covered on the cylinder body, wherein, the cylinder cover is provided with a spark plug, an intake valve connected with an inlet pipe, and an exhaust valve connected with an exhaust pipe, particularly, the surface of the head of the piston is provided with a coating layer with a composition of a catalyst for reforming methanol; and the catalyst for reforming the methanol can be plumber white, etc. The methanol engine with high efficiency and low emission has simple structure and low cost; and compared with the prior methanol engine, the methanol engine with high efficiency and low emission has higher efficiency and good emission performance and is suitable for being popularized and used today when petroleum resources dry up increasingly.
Owner:CHERY AUTOMOBILE CO LTD
Diesel engine closed-cylinder circulation system
PendingCN109441647AIncrease profitGood emissionElectrical controlMachines/enginesDiesel engineCamshaft
The invention discloses a diesel engine closed-cylinder circulation system. The diesel engine closed-cylinder circulation system comprises a diesel engine control module, a gas distribution module insignal connection with the diesel engine control module through a sensor and an oil supply module. ECM electronic control replaces a mechanical camshaft system and a transmission mechanism of the mechanical camshaft system to control opening and closing of an oil spraying opening and an air spraying opening, the work of an air cylinder is stopped, thus other air cylinders work in a high load ratestate, emission performance of the fuel consumption rate of a main machine becomes better, and the purposes of improving the emission performance of the fuel consumption rate, realizing timed accuratecontrol over the air cylinders and increasing the utilization rate of the main machine are achieved.
Owner:ARMY MILITARY TRANSPORTATION UNIV OF PLA ZHENJIANG
Application of modified C5 in gasoline additives
InactiveCN101381635ASolve cokingSolve the problem of carbon accumulationLiquid carbonaceous fuelsHazardous substanceGasoline fuel
The invention provides application of modified carbon-5 in a gasoline additive, which belongs to the technical field of recycling gasoline side products and particularly discloses a method for treating light hydrocarbons taking carbon-5 as a main composition and application of the treated carbon-5 in the gasoline additive. When the modified carbon-5 is used, 50 to 80 percent of the additive according to the weight percentage is added in gasoline to produce composite gasoline, thereby not only partially replacing the gasoline fuel with tension in supply, but also improving the performance of the gasoline, ensuring that the gasoline is fully burnt and reducing the coking and carbon deposition in an engine and the emission of harmful matters; moreover, according to the inspection by the National Ethanol Gasoline Quality Surveillance Inspection Center, the composite gasoline meets the national standard.
Owner:HENAN ACAD OF SCI
Explosion-proof buffering pressure-storing valve
InactiveCN101338706ALow costGood power, economy and emission performanceInternal combustion piston enginesCylinder headsPistonCushion
The present invention discloses an explosion-proof cushion pressure-storing valve. A cushion pressure-storing valve body (1) is installed in a cylinder cover of an internal combustion engine. One end of the cushion pressure-storing valve body (1) is provided with a communicating pipe (13) which communicates a combustion chamber (16) with the cushion pressure-storing valve body (1), and the other end of the cushion pressure-storing valve body (1) is provided with a compression nut (2) of a first through hole (4) and an adjusting gasket (3) of a second through hole. A bush (15), a conical packed piston (9), a spring (8) and a seal ring (10) of the conical packed piston (9) are arranged at the compression nut (2). The compression nut (2) is provided with an adjusting bolt (5) which is corresponding with the conical packed piston (9). The cushion pressure-storing valve body (1) is provided with a pressure storing chamber (11) and is also provided with a third through hole (12) which communicates the pressure storing chamber (11) with the combustion chamber (16). The conical packed piston (9) cuts off the third through hole (12) when being arranged at the lowest bottom. For the internal combustion engine with high compression ratio, the explosion-proof cushion pressure-storing valve can avoid the damage caused by over high combustion pressure and can improve the dynamic property, the economical efficiency and working stability and reliability.
Owner:CHANGFENG GROUP
Automobile fuel oil additive
InactiveCN101381642ASolve cokingSolve the problem of carbon accumulationLiquid carbonaceous fuelsHazardous substanceModified carbon
The invention provides an automobile fuel additive, which belongs to the technical field of fuel additive. The automobile fuel additive is formed by mixing the mixture of biomass extracts of corn oil, castor oil, palm oil and the like, fat polyhydric alcohol, an antioxidant, an antiknock agent, modified carbon-5 and the like according to certain ratio; when the automobile fuel additive is used, according to the weight percentage, 50 percent of additive is added in gasoline, thereby not only partially replacing the gasoline with tension in supply, but also improving the performance of the gasoline, ensuring that the gasoline is fully burnt and reducing the coking and carbon deposition in an engine and the emission of harmful matters; moreover, according to the inspection by the National Ethanol Gasoline Quality Surveillance Inspection Center, the automobile fuel additive meets the national standard.
Owner:HENAN ACAD OF SCI
Black ink and ink set for inkjet recording
To provide an inkjet black ink having excellent image durability and ink discharge properties and an ink set, the inkjet black ink, which contains a dye having a [lambada]max of from 500 nm to 700 nm and a half-band width of 100 nm or more in an absorption spectrum of a diluted solution standardized at an absorbance of 1.0 at the [lambada]max, has the change ratio of absorbance at the [lambada]max in the visible region, specified in the specification; and the inkjet ink set containing at least two black inks having different densities has the relationship among the at least two black inks, specified in the specification.
Owner:FUJIFILM CORP
Micro-gas turbine range extender suitable for electric vehicle
InactiveCN110103731AReduce volumeReduce weightHybrid vehiclesPropulsion by batteries/cellsCombustion chamberMicro gas turbine
The invention discloses a micro-gas turbine range extender suitable for an electric vehicle. The micro-gas turbine range extender suitable for the electric vehicle comprises a centrifugal-flow compressor, a heat regenerator, a combustion chamber, an oil supply system, an ignition device, a turbine engine, an integrated starting / power generation integrated motor, a driving motor and a power battery; the centrifugal-flow compressor is coaxially driven by the turbine engine; the turbine engine is driven by fuel generated by the combustion chamber; waste gas in an outlet of the turbine engine transmits waste heat per se to pressurized air generated by the centrifugal-flow compressor through the heat regenerator; the integrated starting / power generation integrated motor is coaxially driven by the turbine engine; the driving motor can be supplied with power by the integrated starting / power generation integrated motor and / or the power battery; the power battery can receive electric energy fedback by regenerative braking of the driving motor and can be charged by using the integrated starting / power generation integrated motor when the power capacity is low; and the power battery can be charged by using an external common alternating current power supply wire when the electric vehicle is in a stopping state. According to the micro-gas turbine range extender suitable for the electric vehicle, problems of short endurance mileage, low energy density and long charging time of a pure electric vehicle are solved.
Owner:DALIAN MARITIME UNIVERSITY
Gasoline and diesel general purpose internal-combustion engine
InactiveCN101338696AImprove powerImprove economyInternal combustion piston enginesGeneral purposeStored energy
The present invention discloses an universal gasoline-diesel internal combustion engine. A combustion chamber (16) is a high compression ratio combustion chamber. An explosion preventing and energy storing device which is communicated with the high compression ratio combustion chamber (16) is arranged on a cylinder cover (17). The energy q1of Pbz max larger than the allowed combustion pressure P1z during the combustion process is stored by the explosion preventing and energy storing device of the present invention to eliminate peak value and avoid detonation; when a piston descends, the stored energy q1 is transferred into q2 to be discharged under a controlled condition to form an isobaric combustion area between P1z and P2z, so as to obtain a full indicating diagram. The universal gasoline-diesel internal combustion engine is not provided with an electronic ignition system, processes for compression combustion ignition by high temperature produced by high compression ratio and has the advantages of good dynamic preoperty, economical efficiency and discharging performance, and the universal gasoline-diesel internal combustion engine is particularly advantaged under cold start, idle speed, warming up and low load and low temperature. When the universal gasoline-diesel internal combustion engine is applied to a diesel engine, the universal gasoline-diesel internal combustion engine also can improve the discharge and eliminate the influence caused by rough combustion, is good for the diesel engine to develop towards light weight and high speed and improves the performance of the diesel engine completely.
Owner:CHANGFENG GROUP
Solenoid abuts against closed circulation cooling piston connecting rod set
ActiveCN108757208AStable and long-lasting high-intensity coolingAvoid thermal deformation and pulling the cylinderConnecting rodsShaftsHigh pressureInternal combustion engine
The invention discloses a solenoid abuts against closed circulation cooling piston connecting rod set. The connecting rod set comprises a piston body, a piston pin and a connecting rod, the top of thepiston body is provided with a pit, the outer wall of the pit is tightly wound with a hollow solenoid which is used for completely isolating the top of the piston body from high-temperature and high-pressure fuel gas in the cylinder, a solenoid oil passage is arranged in the solenoid, lubricating oil is arranged in the solenoid oil passage, two ends of the solenoid oil passage are respectively asolenoid oil inlet and a solenoid oil outlet, the lubricating oil can enter the solenoid oil passage through the solenoid oil inlet, and flows in the solenoid oil passage and flows out of the piston body through an oil outlet of the solenoid. The solenoid abuts against closed circulation cooling piston connecting rod set can isolate the top of the piston from high-temperature and high-pressure fuel gas in the cylinder, so that the piston can be ensured to obtain enough strength and stably and continuously cool when the internal combustion engine operates under a high-load working condition.
Owner:广西玉柴船电动力有限公司
Improvements relating to fuel economy
The use of a viscosity increasing component in a diesel fuel composition is described for the purpose of improving the fuel economy of an engine or of a vehicle powered by such an engine. The viscosity increasing component is a viscosity index (VI) improving additive, such as a polystyrene-polyisoprene stellate copolymer. The diesel fuel may comprise a biofuel. Methods of using a viscosity increasing component for purposes of improving fuel economy, and methods of operating a compression ignition engine are also described,
Owner:SHELL INT RES MAATSCHAPPIJ BV
Black ink and ink set for inkjet recording
Owner:FUJIFILM CORP
Multi-pipe gas-state fuel mixer using in-pipe mixers
The invention provides a multi-pipe gas-state fuel mixer using in-pipe mixers. The multi-pipe gas-state fuel mixer comprises a shell; a center fuel channel, a peripheral fuel channel and an annular air channel are coaxially formed in the shell in the radial direction; the peripheral fuel channel comprises a peripheral fuel conveying pipe, and multiple peripheral fuel nozzles peripherally arranged and connected to the outer wall of the peripheral fuel conveying pipe; the annular air channel comprises a peripheral air channel and a center air channel; a peripheral cyclone device and a center cyclone device are respectively arranged in the peripheral air channel and the center air channel; the peripheral cyclone device comprises multiple pipes uniformly distributed in the peripheral direction; and multiple in-pipe mixers are axially distributed in the pipes. Through a multi-pipe premixing mode of the peripheral channel and application of the in-pipe mixers, the oil-gas mixing is uniform, and the pollution emission is reduced.
Owner:北京智燃天成科技有限公司
A sampling device and method for estimating the intensity of air pollution area sources
ActiveCN103383317BGood emissionAchieve uniformityAerodynamic testingWithdrawing sample devicesDifferential pressureGas phase
Owner:TONGJI UNIV
Low-sulfur biofuel
The invention belongs to the technical field of fuel, and in particular relates to low-sulfur biofuel. The low-sulfur biofuel is prepared from the following raw materials in parts by weight: 85 to 100parts of aromatic hydrocarbon, 16 to 22 parts of diol, 5 to 10 parts of octanol, 0.2 to 0.8 part of isobutyl ether, 0.1 to 0.6 part of 2-ethylhexyl nitrate and 0.02 to 0.08 part of dimethyl carbonate. In the low-sulfur biofuel, the discharge of sulfide is far below the national standard, the octane value and the heat value are relatively high, the tail gas discharge property is remarkable, gasoline can be replaced and an engine does not need to be changed.
Owner:丰泰能源有限公司
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