80results about How to "Reduce exhaust pollution" patented technology

The invention discloses a vehicular internal combustion engine fuel-borne catalyst and application thereof. The vehicular internal combustion engine fuel-borne catalyst comprises, by mass percent, 65-80% of tourmaline, 3-8% of aluminum oxide, 15-30% of iron oxide and 1-3% of dicerium trioxide. The vehicular internal combustion engine fuel-borne catalyst has the advantages of safety, reliability, simplicity in application, no physicochemical damage to an engine, no influence on a vehicular structure, a circuit, an oil circuit and mechanical properties, capability of achieving remarkable energy-saving and emission-reducing effects, lower vehicular maintenance cost, higher power, low use cost and long service life and can be applied to various diesel vehicles, gasoline vehicles, LPG (liquefied petroleum gas) vehicles and the like.

A drying apparatus for drying a semiconductor wafer includes a processing chamber including a rinsing section and a drying section adjacent thereto. The rinsing section has a chamber loading slot associated therewith for receiving the semiconductor wafer. The drying section has a chamber unloading slot associated therewith for outputting the semiconductor wafer. An exhaust control cap is carried by the processing chamber and includes a bottom wall, a top wall, at least one intermediate wall between the bottom and top walls, and a side wall coupled to the top, bottom and the at least one intermediate wall to define stacked exhaust sections. The exhaust control cap has a cap loading slot aligned with the chamber loading slot, a cap unloading slot aligned with the chamber unloading slot, and at least one exhaust port configured to be coupled to a vacuum source.

The invention relates to a dynamic air supplying device of a turbocharged diesel engine. The device comprises a main turbocharger connected with a waste gas exhaust pipe of the engine. An auxiliary turbocharger connected with the main turbocharger in series is also arranged on the waste gas exhaust pipe of the engine. The auxiliary turbocharger comprises an auxiliary turbine and an auxiliary booster, which are connected coaxially. An air outlet pipe of the auxiliary booster is connected with an air inlet manifold of the engine through an air storage tank. An electric by-pass valve is installed on the auxiliary turbine in parallel. An electric air supplying valve is arranged between the air storage tank and the air inlet manifold of the engine. By adopting the dynamic air supplying device disclosed by the invention, air can be supplied in time before the air-fuel ratio of the engine is out of balance; after the engine enters a normal working state, the dynamic air supplying device exits timely; power and electric resources of vehicles are not used; and adverse effects on the vehicles cannot be resulted.

This invention discloses one traffic signal machine, which comprises one signal device set on one side of road under control traffic signal, wherein the signal device comprises indication lamp device set in road entrance; the indication lamp device is set with reverse timing device for stop, direct left and right turning; the said signal device also comprises one indication signal device at interval with indication lamp for car orderly forward or turning to wait road lamp.

The invention discloses a power control method and system of a hybrid electric vehicle. The power control method and system of the hybrid electric vehicle are applied to the hybrid electric vehicle which comprises an engine and an electric/generation all-in-one machine. The working condition parameters of the engine are obtained when the hybrid electric vehicle is in a running state; whether the engine runs in a low load condition or in a high load condition is judged according to the working condition parameters; the load of the engine in the high load condition is higher than that in the low load condition; and the working condition of the electric/generation all-in-one machine is adjusted if the engine runs in the low load condition to make the engine to run in the high load condition or make the engine stop working. By applying the power control method and system of the hybrid electric vehicle, the engine can be made to run in the high load condition or stop working through adjusting the working condition of the electric/generation all-in-one machine, the engine is avoided working in the low load condition, so that the temperature of exhaust gas can be increased, nitric oxide in exhaust gas can be fully decomposed by an exhaust gas aftertreatment system, and the exhaust gas pollution is decreased.

An oil-saving cleaner of gasoline for car contains cleaning disperser (the mixture of dichloroethane and N-methyl-2-pyrrolidone), combustion promoter (alcohol-in-benzene), anti-explosion agent (the mixture of ferrocene and isopropanol), polar solvent (methanol or ethanol) and non-polar solvent (benzene, toluene, xylene, or their mixture). It can improve performance of gasoline, clean gasoline, making gasoline fully burn, and decrease pollution of tail gas.

The invention discloses a plastic film production device and a process thereof. The production device comprises a machine frame with a hollow structure, a blow molding machine head is installed at theinner center of the frame, a limiting mechanism, an air extraction device, a herringbone plate and a traction device are sequentially arranged on the machine frame above the blow molding machine headaccording to the process of plastic film forming, a movable and adjustable counting device is arranged on the traction device, a cutting device and a winding device are sequentially arranged on the outer side ground of the machine frame at the output end of the traction device, and the winding device further comprises a film breaking device. The process comprises the following steps of (1) extruding molding of a plastic film; (2) setting and exhausting; (3) clamping flattening and pressing; (4) cutting and layering; and (5) winding and packing. According to the plastic film production deviceand the process thereof, through the improvement of the process equipment, in the production process, limiting is conducted on the plastic film protect the plastic film from being scratched, the volatile waste gas of the production plastic film is exhausted, the environment is protected, the length of the plastic film is accurately measured, accurate cutting and breaking of the plastic film are achieved, the plastic film production device is suitable for the production of plastic films of various specifications, and the production efficiency and product quality are improved.

A process for reforming oil fuel comprises the steps of contacting oil fuel with activated aspergillus fungi for a certain period and then mixing the resulting oil fuel with unreformed oil fuel. The reformed oil fuel may be treated with a magnetic catalyst after treatment by the activated aspergillus fungi.

The invention provides an efficient semiconductor parking heater capable of achieving thermoelectric power generation. The semiconductor parking heater capable of achieving thermoelectric power generation comprises a parking heater body and a thermoelectric power generation device. The parking heater body comprises an engine warm air water outlet connecting water inlet pipe (1), an engine warm air water return opening connecting water return pipe (12), other pipelines (11), a pipeline heat insulation material, a cylindrical semiconductor heating piece (10), a two-position three-way electromagnetic reversing valve (5), a water pump (6), temperature sensors (3) and (7), an automobile warm air system, a storage battery (14) and a parking heater controller. The thermoelectric power generation device comprises a semiconductor power generation piece, namely a semiconductor heating piece (10), semiconductor heating piece cold face radiating plates (2), a thermoelectric power generation controller and a rectifier (13). According to the semiconductor parking heater capable of achieving thermoelectric power generation, when an automobile engine is not started, the electric quantity of the storage battery of the automobile is used for preheating engine cooling liquid and a cab, and therefore the problems that a traditional fuel parking heater is large in size, low in heat efficiency, excessively large in oil consumption, insufficient in combustion and likely to pollute the environment are solved; and when the engine is started, the cylindrical semiconductor heating piece stops the heating function, the power generation effect starts to be played, thermoelectric power generation can be conducted through the temperature difference between the cooling liquid and an engine compartment, and energy is sufficiently utilized.

The invention relates to a speed reduction method for a jet engine of a motorcycle, comprising the steps of speed reducing, high rotating speed detecting, first controlling, low rotating speed detecting, second controlling and idle speed controlling. The reduction amplitude of the rotating speed of the engine is judged in the first controlling step, and then the fuel oil injection strategy for an electronic control unit is determined, so that when the motorcycle slows down, no excessive fuel oil is injected into the engine, the fuel oil waste is effectively reduced, the exhaust pollution is lowered, and the oil sediment on an exhaust pipe is avoided; in addition, in the second controlling step and the idle speed controlling step, the amount of fuel oil injected to the engine is controlled, the case that engine flameout caused by lack of fuel oil in the process of speed reducing and speed idling is prevented, thus to effectively improve the ride marketability of the motorcycle.

The invention discloses a front multi-element catalyst and a preparation method thereof, and belongs to the field of automobile exhaust purification. The catalyst solves the technical problems of short life and high oil consumption of the conventional ternary catalyst. The front multi-element catalyst is prepared from heavy calcium carbonate, water glass, alumina, iron oxide, Ce2O3 and the balance of water, and is spherical. The catalyst is prepared by adopting a sintering method. The front multi-element catalyst has the advantages of long life (3 to 5 years), energy conservation, emission reduction, no secondary pollution and power increment; and the catalyst is mainly used for treating exhaust of vehicles. The method has simple process, is convenient for operation, and has mild reaction conditions.

The invention relates to a large angular displacement controlling device for a mechanical system, which comprises a variable-speed motor, a first input shaft, a first transmission gear, a second input shaft, a second transmission gear, a third transmission gear and a fourth transmission gear, wherein the input end of the variable-speed motor is connected with a control shaft of a control motor, the output end of the variable-speed motor is connected with a control shaft of a prime motor, and the variable-speed motor is provided with a second-level or multi-level gear; the first input shaft is connected with the control shaft of the control motor; the first transmission gear is fixed on the first input shaft; the second transmission gear and the third transmission gear are fixed on the second input shaft; the second transmission gear is meshed with the first transmission gear; the fourth transmission gear is positioned at one side of the first transmission gear and is meshed with the third transmission gear, and the fourth transmission gear is fixedly connected with an output shaft of the variable-speed motor connected with the control shaft of the prime motor; and one end of the second input shaft is supported on the shell of the variable-speed motor, and the other end of the second input shaft is supported at the other side of the shell of the variable-speed motor and is connected with a phase angle locking device through a locking groove formed on the end of the other side. The invention has simple structure and can improve the performance of the mechanical system, improve the combustion efficiency and reduce the exhaust pollution.

The invention discloses a horizontally-opposed-cylinder, opposed-piston and two-stroke homogeneous compression-ignition reciprocating engine and linear generators. Two pistons are arranged inside each of two parallel cylinders for doing work oppositely; four blast pump pistons, of which the effective area is 2-3 times greater than that of the work-doing pistons, are arranged behind the four pistons, and are used for supplying pressurized mixed fuel gas to the cylinders; four coaxial linear generators are arranged behind four blast pumps; shaft heads behind the four generators are connected with two interconnecting fulcrums of two semicircular rocker mechanisms fixed to central vertical shafts at the two ends of the two cylinders; when the two pistons in one cylinder move towards a combustion chamber, which is shared by the two pistons, in the center of the cylinder, the two pistons in the other cylinder move oppositely to the two ends of the cylinder; when the two pistons in one cylinder move up to 5-10 degrees in front of an upper stopping point, mixed fuel catches fire and bursts out through compression ignition to force the two pistons to rapidly move towards a lower stopping point, push the coaxial blast pumps to blast air, push the generators to generate electricity and push the two semicircular rocker mechanisms to rotate in the reverse direction so as to push the two pistons in the other cylinder to do compression work on the upper stopping point at the center of the cylinder.

The invention discloses a natural gas supply system for a high-power LNG-diesel oil dual-fuel engine. The natural gas supply system comprises a storage system, a supply system and a control system, wherein the storage system is connected with the supply system; the supply system is simultaneously connected with the storage system and the engine; and the control system communicates with the storage system, the supply system and the engine respectively. The natural gas supply system disclosed by the invention has obvious economical and social benefits, can save a lot of fuel cost for an enterprise and also can greatly reduce the exhaust pollution of the engine.

This invention relates to a kind of devices with trace emission resulted for treatment of exhaust gas. The device comprises a vessel having only one opening that serves as inlet. At least two gas exchange sections in sequence are provided inside the vessel after inlet of exhaust gas, between two gas exchange sections there is a gas mixture chamber at their connection part. The gas exchange chamber at first gas exchange section has a through opening leading to outside atmosphere area. With this configuration, on entering into the gas exchange section, exhaust gas will be ejected inwards and causes very strong entrainment, which makes the gas chamber become vacuum and sucks air with oxygen from atmosphere into gas chamber via the through opening to atmosphere. Formed high-pressure gas is burned furiously with combustible gas in the gas chamber at next stage, and the remaining exhaust gas is transferred into next gas exchange section with very high-speed revolution occurring on exhaust gas and momentum transfer. The higher negative pressure is, the more gas is consumed. In this way, the exhaust gas will be treated and only trace emission, even no emission, will be resulted.

The invention relates to the field of main combustion chamber design of an aero-engine, in particular to a standing vortex cavity rotational flow atomization device for a head of a flame tube. The standing vortex cavity rotational flow atomization device comprises an outer swirler, a nozzle shell body, a supporting rod, a standing vortex cavity, an inner swirler, a main oil pipe, an auxiliary oilpipe and a fuel pipe, wherein the nozzle shell body comprises an outer cylinder, a middle cylinder body and an inner cylinder, a main nozzle is formed in the wall surface of the outer cylinder, a cooling through hole is formed in the wall surface of the standing vortex cavity, a middle air flow channel is formed between the outer cylinder and the outer swirler, a main oil cavity is formed betweenthe outer cylinder and the middle cylinder body, an auxiliary oil cavity is formed between the middle cylinder body and the inner cylinder, and an air inlet channel is formed between the inner cylinder and the standing vortex cavity. The device has the advantages that the structure is simple, staged combustion of an main combustion chamber of the aero-engine, and the defects in the prior art are solved.

The invention discloses a battery box lower box body of a new energy electric automobile. The battery box lower box body comprises a lower surface plate and a lower box body frame which are connectedwith each other fixedly; the materials of the lower surface plate and the lower box body frame are non-metallic composite materials; the lower box body frame comprises a first connecting frame, a second connecting frame, and a third connecting frame, a fourth connecting frame, a fifth connecting frame, a sixth connecting frame, a seventh connecting frame and an eighth connecting frame which are orderly connected with each other; one end of the first connecting frame is fixedly connected to the middle position of the second connecting frame, and the other end of the first connecting frame is fixedly connected to the middle position of the third connecting frame; and one end of the second connecting frame is fixedly connected to the joint of the fourth connecting frame and the fifth connecting frame, and the other end of the second connecting frame is fixedly connected to the joint of the seventh connecting frame and the eighth connecting frame. According to the battery box lower box body of the new energy electric vehicle provided by the invention, the composite materials are adopted, so that the lightweight requirement is met, the power performance of the automobile is improved, the fuel consumption is reduced, and the exhaust pollution is reduced, thus the battery box lower box body is suitable for being applied to the field of new energy electric automobiles.