45results about How to "Good emission" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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,

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.