46 results about "Vehicular Emissions" patented technology

Vehicular emissions are reduced / purified via combustion of the hydrocarbon fuel therefor, e.g., diesel fuel, in the presence of a cerium compound, preferably a cerium (IV) compound, to produce soots having depressed ignition temperatures that contain effective purifying amounts of aggregates of ceric oxide crystallites, the largest particle size dimension of which ranging from 50 ANGSTROM (5 nanometers) to 10,000 ANGSTROM (1,000 nanometers) and the crystallite sizes of which, measured by Debye-Scherrer technique, ranging from 50 ANGSTROM (5 nanometers) to 250 ANGSTROM (25 nanometers).

An evaporative gas analysis system and method for detecting and measuring levels of hydrocarbons emitted from gasoline motor vehicles while stationary with the engine off includes a monochromatic source for producing and transmitting a beam of visible radiation through a portion of hydrocarbon gas surrounding the motor vehicle thereby causing the gas surrounding the vehicle to emit chromatic radiation based on the gas present. A receiver is positioned to receive the emitted chromatic radiation. The receiver including a plurality of chromatic sensors, each generating an electrical signal indicative of transmission of hydrocarbon gas surrounding the vehicle. A control is responsive to the chromatic sensors for computing the relative concentration of hydrocarbon gas surrounding the vehicle from the electrical signals.

The invention relates to an engine exhaust gas cleaning device and a method; the device is used for cleaning the exhaust gas discharged by vehicles and includes an exhaust gas cleaning drum, a heat dissipating water tank which is connected above the exhaust gas cleaning drum and a storage water tank which is connected under the exhaust gas cleaning drum by a filter; the storage water tank is connected with the heat dissipating water tank through an electric water pump; the exhaust gas cleaning drum is provided with an inlet which is connected with an exhaust gas discharge pipe of a vehicle and an outlet which is used for discharging; a buffer zone used for slowing the flow speed of exhaust gas and a buffer spaying zone used for cleaning exhaust gas are sequentially arranged between the inlet and the outlet. The device can be matched with the existing exhaust treatment device on vehicles for use and can assist to further solve the pollution problem of vehicle emissions, while vehicles do not need to be remodeled.

The invention discloses a carbon payment emission charging method based on dynamic user balanced traffic distribution. The method comprises the following steps: determining a corrected road section emission model based on an average speed; determining a dynamic network loading method based on the road section supply demand; adopting a dynamic user optimal traffic emission model based on an emission target; and determining a carbon payment charging method, setting a charging model based on a road section discharge threshold, setting a corresponding discharge threshold for each road section, andpaying a certain discharge cost when the discharge amount of a travel user passing through the road section exceeds the set threshold. According to the invention, the relationship between a traffic distribution model and a vehicle emission model is established, and the decision of the traveler is changed through the charging method, so that the travel demand is reduced to a certain extent or thetravel user is prompted to select the travel mode with less emission in consideration of multi-mode traffic distribution, and the road network emission is reduced.

One embodiment provides a method for determining at least one recommended vehicular travel route, the method including collecting a plurality of travel route inputs from a plurality of sources, relative to a travel route comprising a starting point and an ending point; determining at least one travel route recommendation by (i) assessing the collected plurality of travel route inputs and (ii) taking in to consideration vehicle emission impact parameters; and tracking vehicle adherence. Other variants and embodiments are broadly contemplated herein.

The invention relates to a mobile garbage treatment system and method adopting a gas-powered automobile. The mobile garbage treatment system comprises a crusher, a three-section garbage incinerator, aflue gas cooling system and a flue gas treatment system. The treatment method comprises the following steps of a, garbage crushing and ignition preheating, b, drying and dehydration, specifically, crushed garbage entering a drying bin to be dried and dehydrated, c, anaerobic pyrolysis, d, garbage combustion treatment, e, flue gas cooling treatment, and f, flue gas purification, specifically, discharging of cooled flue gas through a chimney after the cooled flue gas is monitored to be qualified and reach the standard through an on-line flue gas monitoring system. The mobile garbage treatment system and method have the following advantages that (1) natural gas or hydrogen can be conveyed into a combustion bin through a pipeline, the temperature condition required by garbage combustion is quickly established at the initial stage of combustion of the combustion bin, and vehicle emission is low; (2) a mobile garbage reduction treatment scheme is adopted, so that the real-time purificationof garbage is realized, the operation cost is reduced, and the environmental pollution is reduced; and (3) natural gas or hydrogen is adopted as automobile power, so that the pollutant emission levelof the automobile is reduced.

A method of controlling a vehicle engine comprises a) determining at least two engine operational parameters selected from the following parameters: i) CO2 output, ii) power output iii) NOx output; b) averaging the values of said two parameters during a driving window; c) providing a nominal reference curve relating said two of the following engine parameters; d) comparing the result from step b) with said reference curve to determine a measure of how far the parameter averages obtained from step b) are from the reference curve; e) adjusting control of one or more engine systems dependent on the result of step d).

An evaporative emissions control system for reducing the amount of fuel vapor emitted from a vehicle includes a canister containing a sorbent material and a cartridge heater disposed at least partially within the canister in direct contact with the sorbent material. Electrical terminals for applying power to a heating element within the heater are disposed external to the canister. At least one heat sink may be included within the canister in direct contact with the heater. A method of manufacturing an evaporative emission control system that includes a cartridge heater disposed in a canister is also presented.

The invention discloses a diesel vehicle image smoke intensity detection method, which comprises the following steps that a diesel vehicle tail tail gas emission smoke image is collected and is used for representing a diesel vehicle tail gas emission image, and M and L are the row number and the column number of a matrix Y respectively; and a smokeless image is obtained through image processing ofY, and the smoke intensity value is calculated according to the smoky image and the smokeless image. The invention also discloses a diesel vehicle image smoke intensity detection system, which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, and is characterized in that the processor implements the diesel vehicle image smoke intensity detection method described in the claim 1 when executing the computer program. According to the method, the tail gas smoke plume image can be obtained by subtracting the smoky image from the smokeless image, and therefore, the vehicle emission smoke intensity value can be calculated according to the tail gas smoke plume image.

The present disclosure relates to a particle detection method, device and exhaust gas detection system. The method includes: during the driving process of the vehicle to be tested, a plurality of target sensors assembled in the particle detection device contained in the exhaust gas detection system simultaneously discharge the vehicle to be tested. According to the vehicle driving information of the vehicle to be tested to determine its driving state; according to the driving state, the vehicle driving information and the pre-trained target detection result prediction model, the above-mentioned multiple target sensors collect Data fusion is performed on the detected particulate matter detection data to obtain the particulate matter emission data of the vehicle under test during driving. It can simultaneously detect the particulate matter emission of the vehicle through multiple sensors during the driving process of the vehicle, and fuse the detection data according to the driving condition of the vehicle to improve the accuracy of the particulate matter emission detection results during the vehicle exhaust emission road test.

The invention relates to a vehicle DPF protection method and system. The vehicle DPF protection method comprises the steps that whether the oxygen concentration value in vehicle exhaust gas is in an over-low state or not is judged; whether the concentration value of nitric oxide in the vehicle exhaust gas is in an over-low state or not is judged; if the oxygen concentration value and the nitrogen oxide concentration value in the vehicle exhaust gas are both in an over-low state, the fuel injection quantity of an engine of the vehicle is adjusted until the oxygen concentration value and the nitrogen oxide concentration value in the vehicle exhaust gas are both increased to a preset reasonable interval; by judging whether the oxygen concentration value in the vehicle exhaust gas is in an over-low state or not and judging whether the nitrogen oxide concentration value in the vehicle exhaust gas is in an over-low state or not, the gas concentration in the vehicle using process is accurately monitored; according to the method for optimizing combustion by adjusting the fuel injection quantity of the engine, the problems are solved from the source, the use reliability of the DPF is improved, and the purposes of low fuel consumption and high reliability are achieved.

Apparatus for removing Greenhouse Gases from combustion of fossil and non-fossil fuels, including hydrocarbons and biomass fuels, is disclosed. The apparatus includes: a vessel containing a liquid medium; a circulation system with a pump; a plurality of positively charged metal plates, each with a plurality of apertures; a negatively charged discharge pipe connected to the circulation pipe; a refrigeration system on the outside of the vessel; and a power source. The apparatus uses the process of electrolysis and electrostatic induction to form covalent bonding among various constituents of Greenhouse Gases and thereby converts and condenses all or most of Greenhouse Gases in the emission. The apparatus has a working prototype. The apparatus can be used in converting and condensing all or some Greenhouse Gases from emissions of power plants and all types of industrial plants which generate Greenhouse Gases as emissions, as well as from various sources of vehicular emissions.

The invention relates to a self-adaptive mixed gas control method for a gasoline direct injection engine. According to the self-adaptive mixed gas control method for the gasoline direct injection engine, a self-adaptive mixed gas control function is additionally achieved for online self-adaptive adjustment through special self-adaptive mixed gas control software according to the air-fuel ratio deviation characteristic and different working conditions; the fuel injection quantity calculated by an ECU is corrected by using the self-adaptive value as the parameter, so that the emission performance of a vehicle is improved; and self-adaptive values obtained through learning under different working conditions are stored in an EEPROM register of the ECU. Compared with the prior art, by adoption of the self-adaptive mixed gas control method for the gasoline direct injection engine, the situation that the air-fuel ratio of a system becomes poor due to errors accumulated in a long time can be avoided to a certain extent, the closed-loop control quantity for the air-fuel ratio is learned and corrected, and the situation that the air-fuel ratio is poor due to component abrasion and characteristic deviation of sensors and actuators after the vehicle travels for a long time is avoided to a certain extent; and the situation that emission becomes poor due to changes of oil added into the vehicle can also be avoided to a certain extent through the self-adaptive mixed gas control function, and finally, a good air-fuel ratio closed-coop effect can be achieved rapidly when the vehicle starts again after being stopped.

The present invention provides a water condensation monitoring device for monitoring water condensation in a dilution channel. The device is configured to be a system used for a vehicle emission test.The dilution channel has an inlet end and an outlet end. The water condensation monitoring device comprising a first temperature sensor, a humidity sensor and a computing device, wherein the first temperature sensor and the humidity sensor are positioned at the outlet end, and the computing device is configured to receive temperature from the first temperature sensor and humidity readings from the humidity sensor, and to calculate the dew point temperature of moisture within the dilution channel. In addition, the invention further provides a vehicle emission testing system comprising the device and a method for monitoring and controlling water condensation in a dilution channel. By means of the technical schemes, the situation of the water condensation in the dilution channel can be monitored, and the device, system and method are suitable for transformation and upgrading of a dilution system of an existing emission laboratory so as to meet the requirements of related laws and regulations of vehicle emission testing.

This invention relates to a synthesized diesel oil of environment protection taking re-refined oil, C9-C10, toluol and coal tar as the raw materials to be mixed fully and uniformly in a container under normal temperature and pressure to get a liquid product, which can be used instead of diesel oil totally, in which, combustion is more complete, content of CO and HC compound in the tail gas discharged by vehicles is reduced greatly, meanwhile, there is no black smoke in it.

The invention discloses an internal electricity hybrid power locomotive control method and device. The method comprises the following steps of S1, performing zone division on vehicle operation lines;marking a garage, stations and a town region with dense population as first-class zones; marking a tunnel and a town region with ordinary population density along the line as second-class zones; marking other zones into third-class zones; S2, according to the current position of a vehicle, determining the zone where the vehicle is located; S3, according to the zone where the vehicle is located, carrying out different control strategies. By adopting the technical scheme, compared with the prior art, zone division is performed on train running lines and places according to different noise and emission requirement standards, the energy management strategies (control strategies) can be adjusted in real time at different traveling vehicle zones, precise control over vehicle emission and whole vehicle noise is achieved, low-emission operation at the designated zone (such as the zone with dense population) is achieved, and the problems that vehicle noise is high and emission is high are avoided thoroughly.

The invention provides an OBD fault alarm method and alarm system for a vehicle and the vehicle, and relates to the field of vehicle engines. The method comprises the following steps: continuously acquiring the content of carbon dioxide and the content of pollutants discharged by the vehicle when the vehicle meets a preset emission monitoring condition; accumulatively calculating the carbon dioxide contents of a plurality of adjacent time periods, ending accumulatively calculating until an accumulatively calculated accumulated value reaches a preset accumulatively calculated value, recording the accumulatively calculated time period as a window, and taking the starting time period of the next window as the second time period of the previous window; calculating the pollutant emission value of each window according to the accumulated value of the pollutant content in each window and the operation parameter information of the vehicle; and finally, selectively controlling the vehicle to carry out OBD fault alarm according to the pollutant emission value of each window. According to the method, the emission value of the vehicle is calculated by adopting a window moving method, so whether OBD fault alarm needs to be carried out or not can be accurately judged in the actual driving process of the vehicle.

The invention relates to a regeneration control method and device of a particulate matter trap, a medium, equipment and a vehicle. The method comprises the steps that the current carbon loading capacity and the current temperature of the particulate matter trap in the vehicle are obtained in real time; determining whether the vehicle meets a deceleration fuel cut-off condition or not according to the driving state information of the vehicle; and under the condition that the vehicle meets the deceleration fuel cut-off condition, according to the current carbon loading capacity and the current temperature, fuel supply of an engine of the vehicle is controlled in multiple stages so that the particulate matter trap can be regenerated, the control modes of every two adjacent stages for the engine are different, and the control modes of every two adjacent stages for the engine are different. The control mode comprises cutting off the fuel supply of the engine and recovering the fuel supply of the engine. By means of the scheme, full regeneration of the particulate matter trap can be guaranteed, the working efficiency of the particulate matter trap is improved, it is guaranteed that vehicle emission meets the standard, and the risk that the particulate matter trap is burnt out due to the too high temperature can be reduced.

The invention discloses a diesel vehicle image smoke intensity detection method, which comprises the following steps: collecting a diesel vehicle tail exhaust emission smoke image and being used for representing a diesel vehicle tail exhaust emission image, and M and L are the row number and the column number of a matrix Y respectively; and performing image processing on the Y to obtain a smokeless image, and calculating a smoke intensity value according to the smoky image and the smokeless image. The invention also discloses a diesel vehicle image smoke intensity detection system, which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor. The system is characterized in that when the processor executes the computer program, the diesel vehicle image smoke intensity detection method described in the claim 1 is realized. According to the method, the exhaust smoke plume image can be obtained by subtracting the smoke image from the smokeless image, and the vehicle emission smoke intensity value can be calculated according to the exhaust smoke plume image.

The invention discloses a vehicle emission testing method and device. Wherein, the method includes: obtaining nitrogen and oxygen measurement results collected by a nitrogen and oxygen sensor; according to the nitrogen and oxygen measurement results and the difference between the nitrogen and oxygen measurement of the vehicle-mounted emission test system and the nitrogen-oxygen sensor obtained in advance, the vehicle-mounted emission test system is used for the entire vehicle to carry out the test. The measured measurement results are estimated to obtain a measurement estimate. The invention solves the technical problems of high test cost and long test period caused by the use of special emission test equipment in the related art.

The invention relates to a control method that allows the mean quantity of nitrogen oxides per kilometer covered emitted by a vehicle fitted with an internal combustion engine associated with a post-treatment system to be kept below a predefined fixed threshold, for any journey made by the vehicle. The mean quantity emitted over a fixed elementary distance that has just been covered by the vehicle is calculated iteratively, together with a long-term conformity factor which is equal to the mean quantity emitted over the entire distance covered since the start of the journey. When it is found that the long-term conformity factor is above the threshold, the engine and / or the post-treatment system is regulated in such a way as to obtain, over the next fixed elementary distance, a mean quantity of nitrogen oxides per kilometer that is lower than the threshold value FC, for example equal to 90% of the threshold, whatever the engine operating point. Thus, the long-term conformity factor converges towards the threshold.

The invention provides a method and device for controlling an exhaust gas recirculation valve, a medium, electronic equipment and a vehicle, and relates to the technical field of vehicles. The method comprises the steps that the current rotating speed of an engine of the vehicle, the fuel quantity of a fuel injector of the vehicle in a target period and the maximum fresh air quantity allowed to enter by the engine in the target period are obtained; and the minimum fresh air amount required for the engine to normally operate in the target period; according to the fuel quantity of the fuel injector and the current rotating speed, the current transient working condition of the vehicle is determined; the target fresh air amount is determined according to the maximum fresh air amount, the minimum fresh air amount, the oil injector oil amount, the current rotating speed and the current transient working condition; and controlling an exhaust gas recirculation valve of the vehicle according to the target fresh air amount. In this way, the amount of waste gas entering the engine of the vehicle can be adjusted according to the target fresh air amount of the vehicle, and therefore NOx discharged by the vehicle is reduced by adjusting the EGR rate.

The invention relates to a control method that allows the mean quantity of nitrogen oxides per kilometer covered emitted by a vehicle fitted with an internal combustion engine associated with a post-treatment system to be kept below a predefined fixed threshold, for any journey made by the vehicle. The mean quantity emitted over a fixed elementary distance that has just been covered by the vehicle is calculated iteratively, together with a long-term conformity factor which is equal to the mean quantity emitted over the entire distance covered since the start of the journey. When it is found that the long-term conformity factor is above the threshold, the engine and / or the post-treatment system is regulated in such a way as to obtain, over the next fixed elementary distance, a mean quantity of nitrogen oxides per kilometer that is lower than the threshold value FC, for example equal to 90% of the threshold, whatever the engine operating point. Thus, the long-term conformity factor converges towards the threshold.

The invention discloses a carbon payment emission charging method based on dynamic user balanced traffic allocation, which comprises the following steps: determining a modified road section emission model based on average speed; determining a dynamic network loading method based on road section supply and demand; User-optimized traffic emission model; determine the carbon payment charging method, set the charging model based on the emission threshold of the road section, and set the corresponding emission threshold for each road section. emissions charges. The present invention establishes the relationship between the traffic allocation model and the vehicle emission model, changes the traveler's decision-making through the charging method, reduces the travel demand to a certain extent or prompts the traveler to choose a travel mode with less emission when considering multi-mode traffic distribution , thereby reducing road network emissions.

The invention discloses a swirl atomizing structure of a single-hole atomizing oil sprayer and further discloses the single-hole atomizing oil sprayer. The swirl atomizing structure comprises a pipe body, a valve seat, a swirl piece and a metering piece, a first mounting groove is formed in the top end of the valve seat, a second mounting groove is formed in the bottom end of the valve seat, and the first mounting groove and the second mounting groove communicate with each other through a valve hole. The swirl piece is tightly attached to the bottom face of the second mounting groove, and themetering piece is tightly attached to the bottom face of the swirl piece. A swirl hole is formed in the swirl piece, and a metering hole is formed in the metering piece. A plurality of swirl grooves are formed in the swirl piece. After a fluid passes through the valve hole, under the effect of the swirl grooves, a fluid beam is impacted to form a turbulent flow or a swirl flow distributed in the swirl groove direction, then when the fluid passes through the metering hole, the atomizing effect is obviously improved, the fluid is more thoroughly atomized, the particle size of atomized particlesis more fine, the fuel oil atomizing effect is improved, mixing and sufficient combustion of fuel oil and air are facilitated, carbon is prevented from being accumulated in a cylinder, and the vehicleemission cleanness is improved. The single-hole atomizing oil sprayer has the beneficial effects.

The embodiment of the invention discloses a method for processing carbon monoxide in an underground parking lot, electronic equipment and a computer readable medium. One specific embodiment of the method comprises the following steps that the carbon monoxide concentration in a target underground parking lot is determined; in response to the situation that the carbon monoxide concentration in the target area exceeds a first preset threshold value, the concentration of carbon monoxide emitted by a target vehicle is obtained; the flow rate of the carbon monoxide emitted by the target vehicle is acquired; the integral of the product of the concentration of the carbon monoxide and the flow rate of the carbon monoxide relative to time is determined as the carbon monoxide emission amount of the target vehicle; and in response to the situation that the carbon monoxide emission amount of the target vehicle exceeds a second preset threshold value, an alarm device is controlled to display alarm information on the target vehicle, and an exhaust system of the target underground parking lot is controlled to exhaust the carbon monoxide gas. According to the embodiment, the carbon monoxide concentration of the target underground parking lot can be effectively reduced, so that the air quality of the target underground parking lot is improved.