105results about How to "Increase air density" patented technology

The present invention relates to technology of increasing the air density and the air intake amount of turbo supercharging mechanism, and is especially one kind of water cooled intermediate shell turbo supercharging mechanism. The technological scheme is that one water cooled intermediate shell with mutually communicated water inlet hole and water returning hole is set between the air compressor vane wheel and turbine vane wheel on supercharger shaft, and water is made to enter into the water cooling passage inside the intermediate shell for heat exchange circulation. The present invention can increase the air density and the air intake amount to ensure complete combustion in the combustor of engine, increase engine power and reduce tail gas exhaust.

An air swirling device adapted to be used in the air flow system of an internal combustion engine which comprises a swirling device body having a external dimension adapted for incorporation into said air flow system, a plurality of wing members having upper and lower side surfaces, said wing members extending radially and slantingly from the periphery of the swirling device body toward the center therof, and wherein at least one of the upper and lower side surfaces has a non-linear configuration.

The invention relates to an electricity-auxiliary two-stage supercharging system capable of reusing exhaust gas, belonging to the technical field of waste gas turbine supercharging. The electricity-auxiliary two-stage supercharging system specifically comprises the first-stage booster of an electricity-auxiliary turbine, the second-stage booster of a waste gas turbine, an electromagnetic three-way valve, an inlet and outlet pipeline system, a supercharging control circuit and an engine system. In the electricity-auxiliary two-stage supercharging system, the flexible control of opening and closing the three-way electromagnetic valve is used for further improving engine intake pressure by a second-stage supercharging system while solving the problem of waste gas turbine supercharging delaying, thereby realizing the high-pressure ratio of the engine supercharging, and improving the power and the emission performance of the engine under the whole working condition; the waste gas applying work in the second-stage booster of a waste gas turbine can be further utilized in the first-stage booster of an electricity-auxiliary turbine; and a storage battery is charged by power generation to fully utilize waste gas energy and effectively utilize fuel energy. Thus, the electricity-auxiliary two-stage supercharging system has an important energy-saving meaning.

The invention relates to an air compressor with ultrasonic bearings. The air compressor with ultrasonic bearings comprises a shell, a motor stator, a motor rotor and a rotor shaft from outside to inside, and further comprises the ultrasonic bearings and a spiral groove type thrust bearing, wherein bearing bushes are arranged at the two ends of the shell, impellers are arranged at the two ends of the rotor shaft respectively, the impellers are sleeved with impeller shells, the impeller shells are in sealing connection with the bearing bushes and are provided with air inlets and air outlets, the air outlet of the impeller shell at one end is connected with the air inlet of the impeller shell at the other end, the ultrasonic bearings are arranged on the bearing bushes at the two ends and are in noncontact connection with the rotor shaft, the spiral groove type thrust bearing is arranged on the part, between the bearing bush at one end and the impeller at the same end, of the rotor shaft, and a thrust bearing cap is arranged between the spiral groove type thrust bearing and the corresponding impeller. Compared with the prior art, the air compressor with ultrasonic bearings has the advantages of being high in rotation speed and efficiency, long in service life, free of lubricating oil and the like.

The invention discloses a method for preparing a compound water purifying agent for emergency treatment of water pollution of a drinking water source, which comprises the following steps of: grinding concave soil raw ore into fine powder, and sieving by using a sieve with 100 to 300 meshes to obtain concave soil powder; calcining the concave soil powder at the temperature of between 350 and 500 DEG C for 1 to 5 hours, or radiating the concave soil powder by using microwaves with the power of 300 to 600W for 5 to 15 minutes to obtain modified concave soil; and mixing the modified concave soil and an inorganic polymer coagulant accounting for 5 to10 weight percent of the modified concave soil and potassium permanganate accounting for 1 to 5 weight percent of the modified concave soil in aqueous solution, stirring for uniform dispersion, drying, and grinding to obtain the water purifying agent finished product. The compound water purifying agent can obviously reduce the content of organic matters, algae toxins, heavy metals and the like in the water of the polluted drinking water source, the manufacturing cost is low, the operating process is simple, the sedimentation velocity is high, the sludge volume is small, the residues of inorganic reagents are a few, and the compound water purifying agent has chemical and biological safety and is a novel environment-friendly and high-efficiency water purifying agent for emergency treatment of the water pollution of the drinking water source.

An exhaust purification catalyst warm-up system has an air pump that supplies air upstream from an exhaust purifying catalyst, disposed in an exhaust pipe of an internal combustion engine, the pump supplying air when the exhaust purifying catalyst is being warmed up. The exhaust purification catalyst warm-up system also has an atmospheric pressure sensor that detects the atmospheric pressure, wherein correction is performed so that the degree of fuel increase is smaller, the higher is the atmospheric pressure detected by the atmospheric pressure sensor.

Provided is an air charging apparatus driven by a rotating magnetic field and compressing or pressurizing and transferring air. The air charging apparatus includes at least one impeller sucking air and giving kinetic energy to intake air; an impeller case leading external air inhaled by the impeller into the impeller and converting velocity energy of air out of the impeller into air having pressure energy to discharge air; and a rotating body accelerator equipped with the impeller and the impeller case and driving the impeller. Here, the rotating body accelerator drives the impeller by generating a torque by interaction with an intake negative pressure, by generating a torque by interaction with the intake negative pressure and using supplied power, or by generating a torque using supplied power.

When an air density is relatively low and a predicted regeneration zone is present within a predetermined travel distance, a vehicle control device executes at least one of the following: i) prohibition of setting a target value of a remaining battery level to a corrected target value; and ii) prohibition of control of an engine and a motor based on the corrected target value.

A fire-extinguishing vehicle for extinguishing the fire accident on grassland and in forest is composed of vehicle body, wheels, power system, a controllable positioner, and fire extinguishing system which consists of a fire-extinguishing agent container, a screw delivering unit driven by motor, a heater, a cooler, a strong blower, and a fire-extinguishing gun.

The invention discloses a high-efficiency internal-combustion engine. The engine comprises a cylinder body, an air inlet device, a fuel injection device and a piston, wherein the air inlet device and the fuel injection device, which are communicated with a cavity of the cylinder body, are arranged on the cylinder body; and the piston does reciprocating motion in the cylinder body. The high-efficiency internal-combustion engine is characterized by also at least comprising a water injection device and a control device; the water injection device can atomize water and import the atomized water into the cavity of the cylinder body; and the control device controls the open and close of the water injection device, adjusts the water injection quantity, and controls the water injection device to spray the atomized water when the piston does inhaling movement. By adopting the measure of spraying the atomized water to a combustion chamber for cooling, the high-efficiency internal-combustion engine can effectively prevent the early deflagration, the compression ratio of the engine is increased and the atomized water is increased, so the power output of the engine is improved.

The invention relates to an air-cylinder-exterior cold water and an air-cylinder-interior hot water integrated double injection diesel engine structure. The air-cylinder-exterior cold water and the air-cylinder-interior hot water integrated double injection diesel engine structure includes a diesel engine body, an inlet manifold, an exhaust manifold, an air-cylinder-interior sprinkler and an oil atomizer which are arranged in the diesel engine body, a high pressure water pump unit which communicates with the air-cylinder-interior sprinkler, an air-cylinder-exterior sprinkler which is arrangedin the inlet manifold, a low pressure water pump unit which communicates with the air-cylinder-exterior sprinkler, a heat exchanger which is arranged between the low pressure water pump unit and the high pressure water pump unit, and an electronic controller which is electrically connected with the oil atomizer, the air-cylinder-interior sprinkler, the high pressure water pump unit, the air-cylinder-exterior sprinkler and the low pressure water pump unit. Compared with the prior art, according to the air-cylinder-exterior cold water and the air-cylinder-interior hot water integrated double injection diesel engine structure, hot water sprayed in the air cylinder is rapidly vaporized and the energy is absorbed, the temperature in the air cylinder nearby the combustion top dead center can belowered, and the emission of NOx can be reduced; cold water is sprayed to the inlet manifold at the same time, heat energy is absorbed through evaporation of water, the gas temperature entering the air cylinder is decreased, and the air inlet density is increased; and the charging efficiency is increased, the output per liter of the diesel engine is improved, and the dynamic property is improved.

The invention relates to an engine air intake system. The engine air intake system comprises an air intake pipe and an air exhaust pipe, the two of which keep in air communication with a cylinder of an engine, and further comprises a filter, a first turbocharger, a loading device, a throttle valve and an engine controller. The filter is arranged in an inlet of the air intake pipe; the first turbocharger is arranged on the air intake pipe; the loading device is electrically connected with the first turbocharger; the throttle valve is arranged on the air intake pipe, and is used for adjusting the flow of air entering the cylinder of the engine; the engine controller keeps communicating with the loading device and the throttle valve; and when the rotating speed of the engine exceeds a first rotating speed value, the engine controller commands the loading device to drive the first turbocharger to operate. The invention further relates to a vehicle provided with the engine air intake system. The engine air intake system has such advantages as compact arrangement and good supercharging effect.

The invention provides a vacuum film pasting apparatus. The vacuum film pasting apparatus comprises a vacuum cavity module, a film pressing module, a bearing module and a heating platform, wherein thefilm pressing module comprises a film pressing plate; and the bearing module comprises a bearing plate and a spring device. When the vacuum film pasting apparatus acts, the film pressing plate presses a film downwards to drive the bearing plate to move to the heating platform so as to heat the film sheet to enable jointing adhesive to be cured and laminated; after heating is completed, the film pressing plate moves upwards, and the spring device can release the spring potential energy pre-stored in lamination, and drives the bearing plate to move upwards to recover to the initial position. The invention also provides a vacuum film pasting method; and by virtue of the vacuum film pasting apparatus and method, lamination shortcoming caused by air bubbles between the film sheet and the to-be-pasted film part can be reduced, and the combination force between the film sheet and the to-be-pasted film part can be improved.

Embodiments may provide an exhaust gas management arrangement for an engine. The exhaust gas management arrangement may include a port disposed to capture an exhaust gas leaked from a movable portion of an exhaust gas flow directing mechanism. The arrangement may also include a passage to direct the leaked exhaust gas to a crankcase of the engine.

The invention discloses a martensite alloy steel material used for an air valve of an internal combustion engine. The alloy steel material comprises following elements by weight: 0.6-0.8% of carbon, 0.2-0.3% of silicon, 3.3-3.5% of manganese, 0.4-0.5% of chromium, 0.03-0.05% of molybdenum, 0.004-0.005% of vanadium, 0.06-0.08% of Ti, 2.3-2.5% of Ni, 0.01-0.03% of Sb, S not more than 0.030% and P not more than 0.030%, with the balance being iron. According to the alloy steel material and the method, by using composition of the antimony and other raw materials, and by reasonably arranging the ratio and the production technology and reasonably arranging the adding sequence, the alloy material formed has characteristics of high strength, high hardness, good wear resistance, good toughness, resistance to high-temperature corrosion, oxidation resistance, and the like. The alloy steel material is suitable for the air valve of the internal combustion engine so that the air valve has high air tightness. A portion of waste iron is used as a raw material to make the alloy quality stable and uniform. By addition of a refining agent, the porosity degree is reduced by 1-2 degrees.

The invention relates to a natural gas engine structure for mixed double-injection of cylinder outer cold water and in-cylinder hot water. The natural gas engine structure comprises a natural gas engine body, an air inlet manifold, an exhaust manifold, a natural gas injector, a spark plug, an in-cylinder water sprayer, a high-pressure water pump unit, a cylinder outer water sprayer, a low-pressurewater pump unit, a heat exchanger and a electronic controller; and the in-cylinder water sprayer is arranged in the natural gas engine body, the high-pressure water pump unit communicates with the in-cylinder water sprayer, the cylinder outer water sprayer is arranged in the air inlet manifold, the low-pressure water pump unit communicates with the cylinder outer water sprayer and the electroniccontroller is electrically connected with the natural gas injector, the spark plug, the in-cylinder water sprayer, the high-pressure water pump unit, the cylinder outer water sprayer and the low-pressure water pump unit. Compared with the prior art, the natural gas engine structure has the advantages that hot water sprayed in a cylinder is used for rapidly vaporizing to absorb heat, so that the temperature in the part, close to a combustion top dead center, of the cylinder is reduced, and the generation of knocking is inhibited; meanwhile, the heat for heating the water comes from recovering tail gas energy by a exchanger, so that the working medium in the combustion process is increased, the heat loss is reduced, and the heat efficiency of the natural gas engine is improved.

The invention discloses a multifunctional window capable of being opened in a multi-dimensional mode. The multifunctional window comprises an inner window frame and an outer window frame, a left handle, a right handle and a horizontal handle are arranged on the inner window frame, the left handle and the right handle are respectively provided with a duplicate gear and a rack mechanism in a connecting mode, a hinge pin mechanism and a sliding support pin mechanism are arranged between the inner window frame and the outer window frame, the left hand and the right handle are connected with the respective duplicate gears, and the duplicate gears are meshed with a hinge pin rack and a sliding support pin rack respectively. The hinge pin mechanism is composed of a hinge pin, a hinge pin seat and a hinge pin sliding bar, the two ends of the hinge pin sliding bar are connected with the hinge pin, the hinge pin is inserted in the hinge pin seat, and a hinge pin rack is connected to the middle of the hinge pin sliding bar. The multifunctional aluminium alloy window is a novel product for replacing an existing aluminium alloy door and window and can be widely applied to windows and doors of multi-storey residences, high-rise residences, super high-rise residences and villas in cities, rural areas and new-type communities which are in the places with extreme coldness, high temperatures, high humidity and high altitudes and in coastal areas with numerous typhoons.

The invention relates to a cylinder interior and exterior cold water mixing double spraying natural gas engine structure. The cylinder interior and exterior cold water mixing double spraying natural gas engine structure comprises a natural gas engine body, an inlet manifold, an exhaust manifold, a natural gas injector, a sparking plug, a cylinder interior water spraying device, a high-pressure water pump unit, a cylinder exterior water spraying device, a low-pressure water pump unit and an electronic controller, wherein the sparking plug and the cylinder interior water spraying device are arranged in the natural gas engine body; the high-pressure water pump unit is connected to the cylinder interior water spraying device; the cylinder exterior water spraying device is arranged in the inletmanifold; the low-pressure water pump unit is connected to the cylinder exterior water spraying device; and the electronic controller is electrically connected to the natural gas injector, the sparking plug, the cylinder interior water spraying device, the high-pressure water pump unit, the cylinder exterior water spraying device and the low-pressure water pump unit. Compared with the prior art,the cylinder interior and exterior cold water mixing double spraying natural gas engine structure has the beneficial effects that the purposes of improving a power performance, economical efficiency and an emission performance can be achieved simultaneously by arranging the two water spraying devices in a cylinder and on the inlet manifold; the heat efficiency and power per liter of a natural gasengine can be improved; the emission of nitrogen oxide is reduced; and the engine knocking can be effectively inhibited.

The present invention relates to an eco-friendly wind power-based electric vehicle which is capable of being driven using electricity generated by wind power generation. The eco-friendly wind power-based electric vehicle comprises: an air duct which is disposed on one side of the vehicle along a driving direction of the vehicle to form a passage of a predetermined length, an air inlet and an air outlet being respectively opened at the air duct such that external air flows in through the air inlet and then flows out through the air outlet; a turbine which is installed in the air duct so as to be rotated by the air flowing into the air duct; a power generator which generates electricity through rotary driving in response to the rotation of the turbine; and a storage battery which is provided on one side of the vehicle such that the electricity generated by the power generator is stored. An additional air duct is provided on one side of the vehicle such that external wind flows in, and therefore power generation efficiency can be raised by increasing wind density. The turbine that generates electricity is not exposed outside the vehicle, and therefore it is possible to prevent a power generation mechanism from being damaged by foreign matter or moisture.

The new invention proposes that filament yarns, in particular partially stretched yarns known as POY yarns, be subjected to stretch texturing via an air treatment nozzle. The air treatment nozzles are designed in miniaturized form, have a continuous yarn duct in which there open a plurality of transverse bores for the supply of high pressure air in the range over 14 bar, preferably within specific working windows between 20 and 50 bar. With the new invention, it was possible for the first time to process POY yarn via simultaneous stretch texturing using an air twister. The invention allows an individual thread as well as a parallel bundle of threads to be treated and permits for the first time the construction of a false twist stretch texturing bundle device with simultaneous air treatment of 500 to 1000 and more threads.

The invention discloses a safe and stable novel transportation unmanned aerial vehicle. The safe and stable novel transportation unmanned aerial vehicle comprises a vehicle body, a rotor wing mechanism and an empennage mechanism. The vehicle body comprises a base plate, a left plate, a right plate and a top cover. The top cover and the base plate meet at the front and rear of the vehicle body andform a Clark Y wing-shaped structure with the relative thickness being 21%. The vehicle body comprises a middle vehicle body and a left vehicle body and a right vehicle body which are in sliding connection with the middle vehicle body. Tilt rotor wing design is adopted for the rotor wing mechanism. The rotor wing mechanism comprises a rotor wing body. The rotor wing body is arranged to be a pair of duct rotor wings symmetrically arranged on two sides of the vehicle body and relative fixing pieces and a steering engine and a tilt control rod which are used for controlling tilting action. The empennage mechanism comprises an installation bracket arranged below the rear portion of the vehicle body and an empennage body connected with the installation bracket and can rotate relative to the installation bracket. The safe and stable novel transportation unmanned aerial vehicle has the advantages that the flight speed is high, the flight distance is long, folding is achieved, and safety and stability are achieved.