45results about How to "Improve air intake effect" patented technology

A structure for arrangement of engine-associated components including a main battery and a secondary battery which together constitute a power supply system of a vehicle is such that a fresh air duct serving as a fresh air conduit is laid at a forward part of an engine room, an engine body is installed at a rear part of the engine room and fresh air drawn in through the fresh air duct is supplied to the engine body through an intake air passage, wherein the main battery is disposed on one side of the engine body and the secondary battery is disposed on one side of the main battery.

A structure for arrangement of engine-associated components including a main battery and a secondary battery which together constitute a power supply system of a vehicle is such that a fresh air duct serving as a fresh air conduit is laid at a forward part of an engine room, an engine body is installed at a rear part of the engine room and fresh air drawn in through the fresh air duct is supplied to the engine body through an intake air passage, wherein the main battery is disposed on one side of the engine body and the secondary battery is disposed on one side of the main battery.

An intake structure for a saddle-ride type vehicle for increasing the degree of freedom of the length of a duct associated with an intake air cleaner case disposed below a seat. An air taking-in port is provided in a lid member serving as a portion of an upper wall of an air cleaner case located below a seat. A concave portion is formed on an upper wall surface communicating with the taking-in port. The concave portion and a bottom plate of the seat facing the concave portion forms a pseudo duct-like intake passage communicating with the taking-in port. A side cover is provided with a stepped surface extending toward the inside of a vehicle from an external surface thereof. An opening, opened downwardly, is provided in the stepped surface to improvement in intake performance and to reduce dust and the like from entering.

The invention discloses a ventilated rain removal grating for a train air-conditioning system. The ventilated rain removal grating comprises a grating frame arranged at the outer side of a train coach, wherein an air intake channel and an air exhaust channel are arranged on the grating frame; the air intake channel is connected with an air supply fan of an air conditioning unit in a train; the air exhaust channel is connected with an air exhaust fan of the air conditioning unit in the train; and a plurality of rain-keepoff and pressure-resisting components are all arranged in the air intake channel and the air exhaust channel. The ventilated rain removal grating can play a buffering role on airflow when air pressure outside the car body changes suddenly, and can prevent rain water from entering when fresh air is supplied in rain weather. The ventilated rain removal grating has the advantages of simple structure, convenience for use, low production cost and convenience for popularization and use.

An engine room layout using a wind flux concentration guiding device, may include an intake system having an air intake, a turbocharger, and an intercooler, and may be disposed in an engine room, a cooling module having a condenser and a radiator, a main duct that introduces wind passing through a front end part forming the front of the engine room and discharges the wind to the air intake and the intercooler, a sub-duct that introduces the wind passing through the front end part from different positions and discharges the wind to the intercooler, and a diverging duct that may be connected to a wind channel of the main duct to diverge some of the wind introduced into the main duct before the wind passes out of the main duct, and send the wind to the air intake.

The invention discloses a combined air filter comprising a shell and an electrostatic dust suction device, wherein a filter screen cylinder is arranged in the shell; a corona electrode with a raised structure and a dust collecting electrode are arranged at the periphery of the shell; and air is effectively filtered through roughly filtering dust-containing air by using the filter screen cylinder and finely filtering the dust-containing air by using the electrostatic dust suction device in the air suction process. The combined air filter is compact and reasonable in structural design; the filter screen cylinder can be used for roughly filtering air and repeatedly cleaning and using the air; and due to the arrangement of the electrostatic dust suction device, the dust collecting effect is improved, meanwhile, the air inlet resistance is reduced, the performance of an engine is improved, the service life of the filter is prolonged, and the filtering efficiency is increased.

The invention relates to a multi-manifold air supply fuel cell system, comprising an air compressor for pressing ambient air into the system; A humidifier arranged behind the air compressor; Multi-manifold, wherein the intake main pipe of the multi-manifold is connected with the outlet of the humidifier, and each branch manifold is respectively provided with a throttle valve; A fuel cell comprising a plurality of cell stack modules, wherein cathode terminals of each cell stack module are respectively connected with each branch manifold of a plurality of manifolds; An electric energy conversiondevice having one end connected to a fuel cell and the other end connected to a load; A control device respectively connected with the load and each throttle valve; Hydrogen storage device, wherein the hydrogen supply pipe of the hydrogen storage device is connected with the anode terminal of each battery stack module. Compared with the prior art, the invention improves the inconsistency degree of each module, improves the overall performance of the fuel cell system, and prolongs the service life of the fuel cell system.

The invention discloses a dustproof clothes drying box which comprises a drying box and a water collecting tank arranged on one side of the drying box. An air box is arranged on the side wall of the drying box. A third air conveying pipe communicated with the air box is arranged in the drying box. A partition plate is arranged at one end of the third air conveying pipe. A first air storage cavityis formed in the partition plate. A plurality of first air outlets are formed in the side wall of the first air storage cavity. A supporting rod for hanging clothes hangers is arranged in the drying box. A second cover plate is detachably connected with the air box. A plurality of air inlets are formed in the second cover plate. A fan is arranged in the air box. A filtering plate is detachably connected with the second cover plate.

The invention belongs to the field of engines, and relates to a cam profile, a cam applying the profile and a diesel engine applying the cam. The cam profile comprises a base circle part and a peach-shaped contour part which are mutually connected into a closed curve; the peach-shaped contour part comprises a plurality of contour sections and sequentially comprises an opening buffer section, an opening stable section, an ascending section, a continuous full-opening section, a descending section, a closing stable section and a closing buffer section which are connected end to end; and every twoadjacent contour sections in the peach-shaped contour part is in smooth transition. According to the cam profile, According to the cam profile, the ascending section/descending section and the opening buffer section/closing buffer section of the peach-shaped profile part are blocked, so that the impact load of an air valve is effectively reduced, and the design limit value is met; and by improving the air inlet rates of the ascending section and the descending section and introducing the continuous full-opening section, the fullness coefficient of the cam profile is effectively improved, andthe air inlet capacity of the diesel engine is improved.

A pressurized cooling fan and instructions for use, which is designed specifically to solve poor cooling effect due to poor effect of pressurizing of existing similar products and the technical issues of inconvenience of production, and high production cost. The fan frame of this cooling fan is provided with inner blades, a motor assembly is provided in the guard of inner blades. Airflow enters into the fan frame through the gap between outer blades and inner blades, and is guided out through the hollow hole in the rear of the fan frame, the top plane of inner blades is lower than the frame plane of the fan frame; outer blades and inner blades are integrally connected and relatively rotate when the motor assembly rotates, the air passes through the rear part of the fan frame that is guided by the gap between the fan frame, outer blades and inner blades.

The invention belongs to the technical field of electronic product production, particularly relates to a plastic particle mixing device for electronic product plastic shell production, and aims to solve the problems that an existing mixing device is simple in design structure and poor in mixing effect, plastic particles are easily bonded together in the mixing process, and the mixing quality is influenced. According to the scheme, the mixing device comprises a base, a fixing groove is formed in the outer wall of the top of the base, a driving motor is arranged on the inner wall of the fixing groove, an output shaft of the driving motor is connected with a stirring box through a coupler, a cavity is formed in the stirring box, and an inner rotating rod is connected to the inner wall of thebottom of the cavity through a bearing. In the stirring process, the plastic particles are rubbed to generate high temperature and thus are bonded together, an air blowing pump can blow air into the stirring box through trapezoidal holes for cooling, the situation that the plastic particles are bonded together can be prevented, a good mixing effect is achieved, and the mixing quality of the plastic particles is improved.

The invention discloses a turbocharger, which is used for increasing air inlet quantity of an engine. The turbocharger is characterized by comprising an annular shell, an annular inner wall, a bearing, an impeller rotating shaft and arc-shaped blades, the annular inner wall is fixed in the annular shell via reinforcing ribs, a gap is formed between the annular inner wall and the annular shell, the bearing is placed in the annular inner wall, the impeller rotating shaft matches with the bearing, a set included angle is formed between the extension direction of each arc-shaped blade and the axis of the impeller rotating shaft, and the arc-shaped blades are mounted on the impeller rotating shaft. The turbocharger generates airflow with additional lift force kinetic energy, so that airflow inlet speed of the engine is comprehensively increased to increase the air inlet quantity within unit time, air inlet ability and efficiency are greatly improved, and sufficient supply of air in the engine is realized.

The invention discloses an energy-saving fan, and relates to the technical field of ventilation equipment. The energy-saving fan comprises a machine body, wherein the interior and the front side of the machine body are hollowed out, an exhaust pipe is arranged at the top of the machine body, a fixing sleeve penetrates through the center of the rear side of the machine body and is fixed to the machine body, and a rotating shaft is sleeved with the fixing sleeve. According to the energy-saving fan, a pneumatic driving plate is arranged, so that the position of an impact cleaning block can be changed by utilizing gas entering the rotating shaft in the rotating process of the rotating shaft; when the fan is closed, the flow of the gas entering the rotating shaft is reduced, the pneumatic driving plate can reset under the action of an elastic piece, and the impact cleaning block can impact the inner wall of the rotating shaft; and vibration generated by impact is transmitted to fan blades so that dust on the fan blades can be separated, and therefore the dust on the surfaces of the fan blades can automatically fall off, the cleaning frequency of the fan blades is effectively reduced, water resources are saved, the weight of the fan blades is reduced after the dust is separated from the fan blades, and the energy consumption of a driving motor is also reduced.

The invention discloses an installation method of a wall-hanging type air conditioner in a living chamber. The installation method of the wall-hanging type air conditioner in the living chamber comprises the following steps that stepone, a containing cavity is formed; steptwo, the wall-hanging type air conditioner is hoisted; andstep three, the wall-hanging type air conditioner is processed. The arranging structure of the wall-hanging type air conditioner in the living chamber comprises the wall-hanging type air conditioner and the containing cavity formed in a ceiling, an air inlet through groove is formed in one side of the containing cavity, and an air outlet through groove is formed in the bottom surface of the containing cavity, the wall-hanging type air conditioner is arranged in thecontaining cavity, the wall-hanging air conditioner comprises a mounting seat, a fan, a filter plate, and a heat exchangingpiece, the mounting seat is installed in the containing cavity and attachedto awall on the side surface of the ceiling, the fan is fixedly arranged on the mounting seat, the filter plate is arranged between the fan and the air inlet through groove, the heat exchangingpiece is arranged between the fan and the air outlet through groove, the filter plate, the mounting seat, and the heat exchangingpiece are combined to enclose the fan. According to the installation method and arranging structure of the wall-hanging type air conditioner in the living chamber, installation is quick, replacement, cleaning, and repairing are convenient, and at the same time, the heat exchanging effect is better.

The invention relates to the technical field of kitchenware, in particular to a range hood. The range hood which comprises a box body and an air inlet front end assembly arranged on the box body; theair inlet front end assembly comprises a guide plate and at least two air inlet meshes; and a first air inlet cavity and a second air inlet cavity which are formed towards the box body direction in araised manner are formed on the left side and the right side of the guide plate. By adopting two-cavity negative pressure distribution, the range hood has great smoke collection and suction advantageswith regard to double cookers, gas flowing in can be uniformly distributed and tends to the two sides of the guide plate advantageously, the smoke collection areas of the left side and the right sideof the range hood are increased, and effective improvement of the oil smoke suction effect is facilitated advantageously; the first air inlet cavity and the second air inlet cavity are each providedwith at least one air inlet, the air inlet meshes are arranged at the air inlets and correspond to the air inlets one to one, and the flowing-in smoke is guided, so that the gas inlet effect is ensured and oil is effectively separated; and the range hood is simple in structure, reasonable in design, good in smoke collection and suction effect and high in practicability.

An auxiliary gas inlet system of an integrated cooker comprises an integrated cooker head, an integrated cooker bottom, an auxiliary gas inlet system body and a flow guide plate. The integrated cookerhead comprises a clamping groove, an integrated cooker head fixing hole and an integrated cooker head body. The integrated cooker head is connected with a bayonet in the integrated cooker bottom through the clamping groove and then fixed through bolts. The integrated cooker bottom comprises the bayonet, an integrated cooker bottom fixing hole, an air inlet, a built-in baffle and an integrated cooker auxiliary air duct inner wall, the angle of a baffle in front of the air inlet is changed according to user gears, and the built-in baffle forms an internal flow channel. The auxiliary air inlet system body comprises a support and an axial flow fan; the support is connected with the integrated cooker bottom through welding, and the axial flow fan is fixed on the support; and the angle of the flow guide plate can be intelligently adjusted according to user cooking gears. The invention further provides a control method of the integrated cooker auxiliary air inlet system. According to the auxiliary air inlet system of the integrated cooker, the air inlet effect of an integrated cooker is improved, meanwhile, the lampblack escape phenomenon is effectively prevented, and meanwhile the noiseof the integrated cooker is reduced. The auxiliary gas inlet system of the integrated cooker is designed.

The invention discloses a pair of breathable shock-absorbing foot protection shoes for children. Each shoe comprises a vamp, a sole, an air inlet system and an exhaust system; the heelpiece and the half sole part of the sole are made of elastic materials; cavities are formed in the heelpiece and the half sole of the sole. The air inlet system is provided with an air inlet groove; the exhaust system is provided with an exhaust groove; the air inlet groove and the exhaust groove are connected with the upper end surface of the sole, the outer part of the shoe and the cavity; the air inlet grooveand the exhaust groove are connected with one-way valves; the heelpiece part, the air inlet groove and the cavity can form an air inlet system; the forefoot portion, the exhaust groove and the cavityform an exhaust system, or the forefoot portion, the air inlet groove and the cavity form the air inlet system, the heelpiece portion, the exhaust groove and the cavity form the exhaust system, and the exhaust system and the air inlet system change the air pressure of the shoe cavity through air incoming and air outgoing to form matched linkage. The air inlet system and the exhaust system which are in linkage fit with each other are arranged, local pressure difference is formed by changing the air pressure in the shoe cavity, air in the shoe cavity is promoted to flow in the specific directionand is exhausted out of the shoe, and the ventilation efficiency is improved.

The invention discloses an oxygen pumping machine anti-blocking device for aquatic product transportation. The oxygen pumping machine anti-blocking device comprises a filter screen cylinder, a connecting mechanism, an upper fixing base, an air inlet pipe, a smashing mechanism and a filtering mechanism, a plurality of evenly-distributed filtering holes are formed in the outer wall of the filter screen cylinder, filter screen sliding grooves are formed in the inner walls of the two sides of the bottom end of the filter screen cylinder, and the filtering mechanism is arranged in the filter screensliding grooves; and a bottom fixing ring is fixedly connected with the upper surface of the filter screen cylinder, a sealing groove is formed in the upper surface of the bottom fixing ring, and a sealing ring is arranged in the sealing groove and is made of rubber material. The oxygen pumping machine anti-blocking device for aquatic product transportation has the beneficial effects that when oxygen pumping machine anti-blocking device for aquatic product transportation is used, preliminary impurity filtering of air outside the oxygen pumping machine can be extremely conveniently completed,air impurities are effectively prevented from entering the oxygen pumping machine, the oxygen pumping machine is prevented from being blocked, a better impurity smashing effect is achieved, use is convenient, in the actual use process, the filter screen can be conveniently detached and cleaned, use convenience is high, the structure is simple, layout is reasonable, and the oxygen pumping machine anti-blocking device is suitable for application and popularization.