110results about How to "Increase air flow rate" patented technology

A water condenser includes a fan which draws a primary airflow through an upstream refrigerant evaporator, through an air-to-air heat exchanger and in one embodiment also an air-to-water heat exchanger uses cold water collected as condensate from the evaporator, the airflow to the evaporator being pre-cooled by passing through the air-to-air heat exchanger and the air-to-water heat exchanger prior to entry into the evaporator wherein the airflow is further cooled to below its dew point so as to condense moisture onto the evaporator far gravity collection. The evaporator is cooled by a closed refrigerant circuit. The refrigerant condenser for the closed refrigerant circuit may employ the fan drawing the airflow through the evaporator or a separate fan, both of which drawing an auxiliary airflow separate from the airflow through the evaporator through a manifold whereby bath the auxiliary airflow and the airflow through the evaporator, or just the auxiliary airflow are guided through the condenser and corresponding fan.

The invention relates to a cloth negative pressure finishing singeing device, which comprises a frame, a cloth guide roller, a carding assembly and a negative pressure hair removal assembly. During the rotation, the fibers attached to the surface of the cloth are erected, adsorbed and pulled; there is a fluff shaping space between the negative pressure hair removal component and the cloth. And the adsorption holes and the deflectors and heating wires respectively arranged on both sides of the removal pores, the airflow flows along the hair removal chamber and is guided by the deflectors to form an airflow acceleration zone, and a negative pressure zone is formed between the deflectors and the adsorption holes; The carding component erects the fiber and shapes it, and then pulls the fiber with the adsorption force to contact the heating wire to realize singeing. At the same time, the broken fiber is collected by the airflow conduction separation component, which solves the problems existing in the prior art. Poor singeing effect and inconvenient dust removal technical problems.

A blade structure of an axial fan is disclosed. The blade structure includes a hub and a plural of fan blades. The fan blades are disposed equidistantly on a periphery of the hub along a rotating direction of the hub. Each fan blade includes a first blade and a second blade. The first blade has a first leading edge and a first trailing edge, and the second blade having a second leading edge and a second trailing edge. A line connecting the first leading edge and the first trailing edge of each fan blade is a first chord line. The second leading edge is located at a line extended along the first chord line, and the separation between the first blade and the second blade is smaller than a distance of adjacent fan blades on the periphery of the hub.

The invention belongs to the technical field of a device or a method for smearing liquid or other liquid on the surface, and particularly discloses a furniture painting device. The furniture paintingdevice comprises a stander, wherein the stander is provided with a conveyor belt, two sides of the conveyor belt are respectively provided with two driving shafts being symmetric about a symmetric axis along the length direction of the conveyor belt, and each driving shaft is provided with a grinding mechanism, a dust clearing mechanism, a painting mechanism and a rapid air drying mechanism; the grinding mechanism comprises a first grinding belt pulley, the first grinding belt pulley is provided with a grinding belt, the dust clearing mechanism comprises a driving gear, the driving gear is engaged with a driven gear, the driven gear is coaxially provided with a first rotating shaft, the surface of the first rotating shaft is fixedly connected with a propeller blade, and the propeller bladeis used for blowing dust adhered onto the grinding belt; and the painting mechanism is driven by the driving shaft, and the rapid air drying mechanism is arranged in front of a first painting box along the moving direction of the conveyor belt and driven by the driving shaft. The furniture painting device aims at solving the problem in the prior art that the manual painting efficiency is low.

The invention relates to a centrifugal compressor (1) for an exhaust gas turbocharger, in particular an internal combustion engine. The centrifugal compressor has a compressor housing (2) comprising an axial inlet channel (3) and a centrifugal outlet channel (4); with a compressor impeller (6) for circulating and compressing a gas, wherein the compressor impeller (6) has an axial inlet side (7) facing towards an inlet passage (3), a centrifugal outlet side (8) facing an outlet channel (4), and an axial wheel surface contour (9) extending from the inlet side (7) extends up to the outlet side (8); a substantially sleeve-like adapter element (10) which may be axially inserted into an attachment portion (11) disposed at the compressor housing (2); wherein the adapter element (10) comprises, at least in sections, a surface contour (13) which is attached to the axial wheel surface contour (9), such that a gap width (W) between the adapter element (10) and the compressor impeller (6) can be adjusted along mutually facing surface contours (9, 13) through axial movement of the adapter member (10) in a fastening portion (11).

The present invention relates to a self-assembly micro blade applied to a micro fan. The micro fan combines at least a self-assembly micro blade and a motor using an actuator as the main body of the micro fan. The self-assembly micro blade includes at least a movable part of a microstructure, at least an elastic joint provided between an outer ring of the micro fan and the movable part. The elastic joint is composed of a polyimide film, which is heated to contract and generate surface tension by using a reflow process so as to lift up the movable part of the microstructure; moreover, the movable part is bent in a curved form through the elastic link exhibits a multi-layer shape by serially connecting at least two movable parts so as to complete the self assembly of the micro blade, thereby increasing air flow rate and improving air flow length.

The invention discloses an air compressor head, and relates to the field of air compressors. The air compressor head comprises a motor, pump heads located at the two ends of the motor and air cylinder assemblies arranged on the pump heads, a pair of air pipes are arranged between the two air cylinder assemblies in a communicating mode, several uniformly-distributed heat dissipation fins are arranged at the top of each air cylinder assembly, a gap is formed between every two adjacent heat dissipation fins, cooling pipes are embedded in the gaps, one ends of the multiple cooling pipes are provided with a water inlet pipe in a mutual communicating mode, and the other ends of the multiple cooling pipes are provided with a water outlet pipe in a mutual communicating mode. The air compressor head has the following advantages and effects that when the air compressor head works, the air cylinder assemblies undergo cooling and temperature reduction through the heat radiation principle of the heat dissipation fins, and meanwhile, the air cylinder assemblies undergo cooling and temperature reduction through the heat exchange principle of the cooling pipes jointly, so that the cooling efficiency and the cooling effect of the whole air compressor head are improved, and the air compressor head achieves the effects of high cooling performance and high heat dissipation performance.

A cooling configuration is provided for chassis-mounted electronics boards. In one embodiment, the chassis comprises a housing and at least two electronics boards. The electronics boards may comprise communication boards having a plurality of ports. Cooling air spaces are defined above and below each board, permitting cooling air to be drawn over both sides of each board. Baffles may be provided at both sides of the boards for controlling the flow of air through the various air spaces, such as baffles extending down from a top of the housing or up from a bottom of the housing, or baffles located between the boards.

The invention relates to an efficient meridian acceleration axial flow fan with a casing. The efficient meridian acceleration axial flow fan comprises an air barrel, a motor, blades and a wind wheel. The wind wheel is a cone column, The air barrel is a tubular body of a trapezoidal structure, and in the airflow flow direction, the inner diameter of the front of the air barrel is larger than that of the rear of the air barrel, and the outer diameter of the blades is larger than the inner diameter of the rear of the air barrel and smaller than the inner diameter of the front of the air barrel. A collector is fixedly connected to the front end of the air barrel, and a flow guide barrel is connected to the rear end of the air barrel. The flow guide barrel is composed of an outer barrel body, an inner barrel body and guide vanes. The outer diameter of the front section of the inner barrel body is equal to the outer diameter of the rear end face of the wind wheel. A T-shaped support is arranged in the inner barrel body, the inner barrel body is fixedly connected with the motor through the T-shaped support, 13 radial flow guide vanes are evenly distributed between the inner barrel body and the outer barrel body, and the section of each flow guide vane is in a wing type. When airflow passes through a rotating impeller, blade top leakage is reduced, pressure is increased, the efficiency of the fan is improved, in addition, the airflow is rectified though the guide vanes in the flow guide barrel, and the efficiency of the fan is improved.

The invention belongs to the field of wood-working machines, and discloses a band sawing machine with a wood dust removal and separation function. The band sawing machine with the wood dust removal and separation function comprises a machine body, a workbench mounted on the machine body, a saw band mounted on the machine body, a supporting device mounted on the workbench, a dust collection assembly arranged below the workbench, an air pipe assembly movably mounted on the machine body and a compressed air pump connected with the dust collection assembly and the air pipe assembly through pipelines correspondingly. Most saw dust on the sand band can be removed through an air blowing pipe, and thus, the service life of the saw band is prolonged; and saw dust is separated through the dust collection assembly according to sizes so as to be used by users on different occasions, and thus, reasonable utilization of the saw dust is achieved.

The electric hair drier comprises an electric hair drier which comprises a shell and a wind speed cover, an air inlet duct is formed in the shell, and an air inlet and an air outlet which communicatewith the air inlet duct are formed in the two ends of the shell correspondingly; the wind speed cover is connected to the end, provided with the air outlet, of the shell, an air outlet duct is formedin the wind speed cover, the wind speed cover is further provided with an air flow inlet and an air flow outlet which are communicated with the air outlet duct, the air flow inlet is communicated withthe air outlet, and the air flow outlet is an annular air outlet, wherein the air inlet duct and the air outlet duct are arranged at an included angle. According to the technical scheme, the air outlet speed of the electric hair drier can be increased, and the energy consumption of the electric hair drier is not increased.

The invention discloses a coreless wooden heat-insulating fireproof door, which comprises a door leaf and a door frame and is characterized in that: the door leaf comprises a door leaf framework; magnesium inorganic fireproof boards are pressed at the two ends of the door leaf framework; the external surfaces of the magnesium inorganic fireproof boards are covered by flame-retardant plywood boards; the two sides of the door leaf is respectively provided with a heated surface and an unexposed surface; the door leaf framework comprises frameworks arranged on left and right sides; middle frameworks are arranged between the frameworks; channels for airflow circulation are formed between the middle frameworks or among the middle frameworks and the frameworks on the two sides; a hollow shape is formed in the door leaf without filling any flame-retardant heat-insulating material; and upper and lower stiles of the door leaf are provided with vent holes opposite to the channel. The problems can be well solved; and the product can meet the requirements of fire insulation and fire integrity and can also meet the stipulations of the national standard.

The invention discloses a flow guiding plate designing method which comprises the following steps that according to the model and the structure of a car cabin front end grid and the deviation situation of a cooling module and the grid at a forward-direction projection position, an initial structure of flow guiding plates is determined, and the initial structure at least comprises the shape, the number and the arranging positions of the flow guiding plates; according to the air flow backflow route in the cabin under an idling or low-speed working condition of a car, the initial structure is adjusted, the assembling positions of the flow guiding plates are determined, and the air flow backflow route is blocked; the flow guiding plates are optimized, and a cooling module and cooling air amount meet the requirement of a car cooling system; and the arrangement between the flow guiding plate and the cooling module is optimized, and accordingly pneumatic resistance in the car cabin is lowered. The invention further discloses the flow guiding plate structure designed with the flow guiding plate designing method. According to the flow guiding plate designing method and the flow guiding plate structure designed with the same, hot gas backflow can be avoided, the air inlet amount of the cooling module is increased, and pneumatic resistance can be lowered.

The invention provides a computer self-heat-dissipation shell, relates to the technical field of computers, and solves the problem that synchronous movement of other heat dissipation structures cannotbe realized while a fan rotates to dissipate heat through structural improvement. Through structural improvement, air flow narrow channels cannot be formed while swing heat dissipation is conducted,and reversing ventilation heat dissipation of key parts cannot be achieved. The computer self-heat-dissipation shell comprises a case main body, and the case main body is fixedly connected with a mainboard through bolts. The number of the rectangular plates B is two, the two rectangular plates B are symmetrically welded to the sliding block, and the height of the rectangular plate B on the rear side is larger than that of the rectangular plate B on the front side. A baffle of a rectangular structure is welded to the rectangular plate B on the rear side, when the sliding block reciprocates, anarrow gas channel is formed in the gap between the two rectangular plates B, the gap between the two rectangular plates B is aligned with the position of the processor, and therefore gas steering canbe achieved, and the heat dissipation effect of the processor is improved.

The invention relates to a wind turbine wake dissipation device which is fixed to the rear of a cabin of a wind turbine through a fixing support. The dissipation device includes a thin-wall cylinder main body, the thin-wall cylinder main body is evenly divided into a plurality of square spaces and a plurality of irregular spaces through plate-shaped supports orthorhombic with each other, wake pipes are mounted in the spaces evenly separated by the plate-shaped supports, the wake pipes in the square spaces are cylindrical, the wake pipes in the irregular spaces are similarly cylindrical, a plurality of air guide wings are mounted in the wake pipes, gaps are formed between the wake pipes and the thin-wall cylinder main body and between the wake pipes and the plate-shaped supports, a conicalflow guide cover is mounted at the position of a gap air inlet, and an air gathering cover is disposed on one side of an air inlet of the thin-wall cylinder main body and along the thin-wall cylindermain body. According to the wake dissipation device, by reducing the influence of disordered wake on downstream wind turbines, the arrangement distance between the wind power plant wind turbines is shortened, and the land utilization rate of a wind power plant is improved.

The invention relates to the technical field of board polishing equipment, and particularly relates to an environment-friendly polishing device for furniture board processing. The environment-friendlypolishing device comprises a device body, wherein a driving shaft is inserted into the device body, a limiting wheel sleeves the driving shaft, a moving plate is movably connected into the device body, an extrusion plate is fixedly connected to the upper surface of the moving plate, a cross rod is fixedly connected to the front surface of the extrusion plate, and a limiting spring is fixedly connected to the lower end of the front surface of the moving plate. The driving shaft is stopped, so that the device is prevented from continuously rotating after finishing, scratches on the surface of apolished board are avoided, the board can be well protected, and the working efficiency of the device is improved. Residues on the surface of the board move in the direction with low pressure, so that the surface of the board is smooth, a push rod extrudes polishing liquid in a storage tank, operation of the device is facilitated, and the polishing liquid is reasonably used.

The invention provides a universal protection hanging plate for an automobile tire. The universal protection hanging plate is characterized by comprising a circular protection plate (1), wherein a circular hole (1a) is formed in the circular protection hanging plate (1); a mounting plate (2) is provided; a group of support sheets (3) is connected between the circumferential surface of the mounting plate (2) and the circumferential surface of the circular hole (1a); the mounting plate (2) and the circular hole (1a) are coaxial to each other, and are kept a certain vertical distance away from each other. The universal protection hanging plate has the advantages of simple structure, rapidness and convenience in mounting, and capability of effectively preventing weak positions on the outer side face of the tire from being damaged by explosion, gunshot and the like; meanwhile, the heat dissipation effect of the tire is enhanced during wheel running.

The invention relates to an energy collection pipe transferring wind energy generator that belongs to wind collection ultra-large wind power generating device. It has at least one bugle-shaped wind collection mouth connecting wind guiding pipe that connect to the sealed machine room and the entrance is aiming at the wind energy generator driving structure or the generator impeller. A chimney type suction ventilation pipe extending to upward is set on the top of the sealed machine room. The invention could omnidirectionally suck wind power and expand the acreage of wind collecting. And the wind energy wasted in wind guiding pipe is low, so the generator works steadily.

The invention provides a bearing module and a bearing. The bearing comprises a cage and a bearing guide ring; a radial gap is formed between the bearing guide ring and the cage; the bearing guide ringis provided with a guide ring gas guide hole; and the guide ring gas guide hole communicates with the radial gap, and extends to the outer surface of the bearing guide ring. In the working process ofthe bearing, external gas is provided to the bearing through a gas source, and the gas enters the radial gap through the guide ring air guide hole formed in the outer surface of the bearing guide ring, so that the friction caused by impact contact between the bearing guide ring and the cage can be prevented, and the service life of the bearing is prolonged.

The invention discloses cutting equipment for leather. The cutting equipment comprises a device box body, wherein a transverse displacement cavity is formed in the device box body, a longitudinal displacement cavity is in communication below the transverse displacement cavity, and two vertical displacement devices which are perpendicular to each other are arranged in the transverse displacement cavity and the longitudinal displacement cavity. The cutting device is provided with a cutting device base, the cutting device base is internally provided with a driving cavity and a power cavity, a displacement shaft is arranged in the driving cavity and the power cavity in a sliding mode, the flow speed of the air flow in an air inlet is accelerated by starting an exhaust fan of a low-pressure conveying device, the air pressure in a through hole of a conveying belt is reduced and even close to the vacuum, so that the leather needing to be machined can be stabilized on the machining plane, thevertical displacement shaft ensures flexible movement of the cutting device base, and the horizontal position of the cutting device base can be conveniently controlled through a coordinate axis.