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49results about How to "Flow does not affect" patented technology

Indoor unit of air conditioner

The invention provides an indoor unit of an air conditioner. The indoor unit comprises a housing, an air inlet, an air outlet, an evaporator and a cross-flow wind wheel assembly. The left, middle and right of the back of the housing are provided with a left air inlet, a middle air inlet and a right air inlet in parallel. The evaporator covers all of the left air inlet, the middle air inlet and the right air inlet. The front of the housing is provided with a left air outlet, a middle air outlet and a right air outlet. The left air outlet and the left air inlet are communicated with each other to form a left duct; the middle air outlet and the middle air inlet are communicated with each other to form a middle duct; the right air outlet and the right air inlet are communicated with each other to form a right duct; the left duct, the middle duct and the right duct are mutually independent. The indoor unit employs the three independent ducts, flow guidance effect, air incoming effect and air outgoing effect are enhanced, and air supply capacity of the indoor unit is enhanced. The three air outlets are parallelly arranged on the left, in the middle and on the right, 180-degree air supply angular range can be achieved, air supply area is enlarged, the requirements of people for use are met, and the indoor unit is more comfortable for people to use.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD

Radial diffuser with groove structure and design method of radial diffuser

The invention provides a radial diffuser with a groove structure and a design method of the radial diffuser. The radial diffuser comprises a front cover plate, blades, grooves and a rear cover plate. Blade working faces and blade rear faces are communicated through the grooves. Fixed constant numerical simulation is conduced on the radial diffuser through computational fluid mechanics software ANSYS CFX 14.5, a speed flow line distribution diagram of all passageways in the radial diffuser is acquired, and then the radial diffuser with the grooves is designed. Numerical stimulation is conducted on the radial diffuser with the grooves, the speed flow line distribution diagram of the radial diffuser is acquired, whether the grooves are improved or not is analyzed, and if the grooves are not obviously improved, the grooves are improved according to the speed flow line distribution diagram again till the effect is obvious. The vortex region of the working face of the radial diffuser is reduced, the internal flow field distribution of the radial diffuser is improved, and therefore the discharge capacity of the radial diffuser is improved. The radial diffuser with the groove structure is simple in structure, the groove structure can be designed in the radial diffuser mold manufacturing process, and high practicality is achieved.
Owner:JIANGSU UNIV

Low-warpage reinforced polycarbonate alloy and preparation method thereof

The invention relates to low-warpage reinforced polycarbonate alloy and a preparation method thereof. The low-warpage reinforced polycarbonate alloy is prepared from the following raw materials in parts by weight: 55-85 parts of matrix resin, 10-40 parts of ground glass and 0.1-5 parts of other components. The preparation method comprises the following steps: preparing the raw materials according to a formula, mixing the matrix resin with the other components in a medium-speed mixer for 20 minutes, adding a mixture into a double-screw extruder from a main feeding hole, individually adding the ground glass into the double-screw extruder from a side feeding hole according to the formula proportion, melting and extruding the raw materials in the double-screw extruder, and granulating to prepare the low-warpage reinforced polycarbonate alloy. Compared with the prior art, the preparation method has the advantages that high warpage of reinforced polycarbonate is improved on the premise of reducing the material cost, and low-warpage reinforced resin is obtained by the characteristic that horizontal and longitudinal shrinkage ratios are different as the ground glass cannot be oriented in the flowing direction during formation.
Owner:SHANGHAI KUMHO SUNNY PLASTICS

Leak-proof multiple-seal viscous damper

The invention discloses a leak-proof multiple-seal viscous damper which comprises a cylinder barrel. A piston rod is arranged in the cylinder barrel, the middle of the piston rod is in sleeved connection with a piston, the positions, close to two ends, of the piston rod are respectively in sleeved connection with guide sleeves, the right side guide sleeve is located at the right end of the cylinder barrel, the outer side of the right side guide sleeve is connected with a corrugated pipe, the corrugated pipe is connected with a right lug, an end cap seal is arranged at the left end of the cylinder barrel, the outer side of an end cap is connected with a left lug, a long through hole is formed in the piston rod, and a concentric damping hole is formed in the inner side of the piston. In the complete-set sealing mode, the possibility of damper leakage is greatly reduced, the durability of the damper is greatly prolonged, and the requirement for longer service life of the matched damper of a building can be met. Viscous liquid flows through the damping hole to produce a larger viscous damping force, the damping force can greatly consume input energy, and the safety of a main body structure can be improved.
Owner:SHANGHAI SAFE SEISMIC RETROFIT & VIBRATION CONTROL TECH

Chiller heat exchanging amount control system

The invention discloses a chiller heat exchanging amount control system. A first electromagnetic valve is arranged between a circulating fluid inlet and a first inlet end of a heat exchanger. A second electromagnetic valve is arranged between the circulating fluid inlet and a circulating fluid outlet. The chiller heat exchanging amount control system further comprises a temperature sensor arranged on a circulating fluid channel and used for detecting the temperature of circulating fluid. Based on the circulating fluid temperature detected by the temperature sensor, an opening and closing ratio of each electromagnetic valve is controlled. Part of exchanging heat passing through distributed circulating fluid or gas and cooling water is adjusted, the purpose of wide temperature range control is achieved through ratio adjustment of one or more than two electromagnetic valves, and therefore accurate temperature control in a wide temperature range of the circulating fluid is effectively achieved.
Owner:PHST CORP

A rotary aircraft based on a new type of flap rudder surface

A rotary aircraft based on a new type of flap rudder is based on a sphere-conical configuration of a rotary aircraft. This aircraft has a new type of flap control rudder surface. By designing four x-shaped distributed flaps on the tail of the body of rotary aircraft, and using the flaps as the full-motion rudder surface of the aircraft, the maneuverability of the aircraft at hypersonic speed can be obtained by flap deflection. The new type of flap rudder surface, replacing a common tail layout scheme, is helpful to reduce or eliminate the aerodynamic interference and heating problems in the conventional tail-fin configuration scheme, and effectively increase the loading space inside the aircraft instead of conventional tail-fin configuration scheme. The novel flap type control rudder is arranged at the bottom of the body of revolution fuselage, the flow of the flap rudder surface under the hypersonic environment will not affect the flow of the upstream body of revolution fuselage, theaerodynamic interference between the flap rudder and the body of the aircraft fuselage is small, and the problem of mutual interference between the tail fins of the conventional body of revolution fuselage is effectively avoided.
Owner:CHINA ACAD OF AEROSPACE AERODYNAMICS

Double-plug series connection application method of reciprocating pump and high-efficiency liquid pump applying method

The invention relates to a double-plug series connection application method of a reciprocating pump, and a high-efficiency liquid pump applying the method, and solves the problems that a conventional reciprocating pump influences the continuity of a liquid flow, and is complex in structure, high in manufacturing cost, a, and heavy. According to the double-plug series connection application method, two sets of hollow plungers or pistons, each of which is provided with a one-way valve, are assembled in a pump cylinder in a series connection manner, and are respectively in reciprocating movement in opposite directions to perform one-way pushing on the liquid flow in turns; and the liquid flow adopts a smooth, continuous and even flowing manner in a pump body. The high-efficiency liquid pump disclosed by the invention is simple in structure and high in efficiency; and a plurality of pumps are in composite application: a liquid inlet of the last pump body is integrally connected with a liquid outlet of the next pump body, the pumps are in series connection for application, and any sets in the pumps can be opened and closed according to the pressure requirement, so that the high-efficiency liquid pump is suitable for a deep oil well pump, a high-lift high-pressure pump and the like.
Owner:吴新保

Low-temperature and low-pressure steam production device in power station boiler and process method

The invention discloses a low-temperature and low-pressure steam production device in a power station boiler and a process method. The low-temperature and low-pressure steam production device comprises a wall type steam generator, a steam header and an external supply steam mixing station; the wall type steam generator is arranged between SOFA air of a low NO<x> burner and a platen superheater ina boiler furnace; the wall type steam generator is provided with an introduction pipe which is used for introducing make-up water; the wall type steam generator communicates with the steam header through a lead-out pipe; and the steam header communicates with the external supply steam mixing station through a superheated steam pipeline, and the external supply steam mixing station is used for achieving external supply of steam. According to the the process method and the low-temperature and low-pressure steam production device in the power station boiler, the required low-temperature and low-pressure steam can be produced under the condition that the main steam quantity and the steam-water circulation system of a unit are not influenced.
Owner:XI AN JIAOTONG UNIV

Blade boundary layer suction jet device

The invention relates to a blade boundary layer suction jet device. The blade boundary layer suction jet device comprises a blade body, a rotor rotationally arranged on the airflow inlet and outlet end of the blade body and an arc-shaped blade leading edge covering the rotor and fixedly connected to the blade body. A plurality of stationary blade flow passages are arranged on the surface of the airflow inlet and outlet end of the blade body side by side. A plurality of spiral moving blade runners with the axis of the rotor as the center are arranged on the surface of the rotor. The stationaryblade runners are in one-to-one correspondence with the moving blade runners, the blade leading edge is fixed to the blade body, then a first gap for airflow inlet / outlet is formed between the blade leading edge and one surface of the blade body, a second gap for airflow inlet / outlet is formed between the blade leading edge and the other opposite surface of the blade body, and the first gap and the second gap both are communicated with the stationary blade runners. According to the blade boundary layer suction jet device, the stable and continuous jet can be obtained by driving the rotor to rotate through one driving source, the size and the direction of the jet are changed by controlling the rotating speed and direction of the rotor, and the control method is simple,
Owner:WUHAN UNIV

Heat storage type waste heat recovery device

The invention discloses a heat storage type waste heat recovery device, relates to the technical field of waste heat recovery, and aims at solving the problem that an existing waste heat recovery device is low in heat recovery efficiency. Flue connecting pipes are integrally arranged on the two sides of a waste heat recovery pipe, a flue gas inlet is formed in one end of the flue connecting pipe on one side, a flue gas outlet is formed in one end of the flue connecting pipe on the other side, and flue gas discharge pipes are installed on the two sides of the flue connecting pipes; a heat exchange spiral pipe is installed in the flue connecting pipe located at the end where the flue gas inlet is located, the flue gas discharge pipes and the flue connecting pipes are sealed and fixed through connecting flanges, a steam pocket is welded and fixed to the upper portion of the waste heat recovery pipe, and a flue gas heat exchange cavity is formed in the waste heat recovery pipe; and the two sides of the interior of the flue gas heat exchange cavity are each provided with a heat exchange plate assembly, a steam auxiliary heating device is arranged in the middle of the interior of the flue gas heat exchange cavity, and the upper end of the steam auxiliary heating device extends into the steam pocket.
Owner:浙江诚邦新能源科技有限公司

Convenient-to-clean sedimentation treatment device for municipal sewage

The invention discloses a convenient-to-clean sedimentation treatment device for municipal sewage, and relates to the technical field of municipal sewage treatment.The convenient-to-clean sedimentation treatment device comprises a water inlet hopper, a flow guide assembly and a centrifugal sedimentation assembly, a water filtering tank is fixed to the lower portion of the water inlet hopper, a filtering assembly is installed in the water filtering tank, and drainage pipes are fixed to the two sides of the lower portion of the water filtering tank; a water drainage pipe is arranged below the water inlet pipe, a flocculation mixing chamber is installed below the water drainage pipe, a first flocculant layer is arranged on the inner wall of the flocculation mixing chamber, a stirring assembly is installed in the flocculation mixing chamber, the flow guide assembly is fixed below the flocculation mixing chamber, and the flow guide assembly comprises a discharging hopper, a flow guide plate, an outer frame, a second flocculant layer and a water drainage flow channel. According to the sedimentation treatment device convenient to clean and used for municipal sewage, sewage can make full contact with a flocculating agent layer, so that the gravity sedimentation efficiency is improved, centrifugal sedimentation, flocculating sedimentation and gravity sedimentation can be combined, municipal sewage is fully settled, and therefore the good sedimentation treatment effect is achieved.
Owner:湖南旭晟环境科技有限公司

Longitudinal baffle plate type heat exchanger

The invention provides a longitudinal baffle plate type heat exchanger. The longitudinal baffle plate type heat exchanger comprises a shell, a tube plate and a tube bundle; the tube bundle is arrangedin the shell through the tube plate, the longitudinal baffle plate type heat exchanger further comprises a mesh type supporting plate, the mesh type supporting plate is arranged in the shell, multiple limiting holes for inserting of the tube bundle and multiple circulation holes communicating with the two sides of the mesh type supporting plate are formed in the mesh type supporting plate, and the tube bundle is inserted on the limiting holes. Through the technical scheme, through the mesh type supporting plate, the tube bundle is fixed, the whole fixing effectiveness is good, vibration and deforming of the tube bundle in the use process can be avoided, in addition, the circulation holes are formed in the mesh type supporting plate and can communicate with the two sides of the mesh type supporting plate, the normal running of shell side media within the tube length range of the tune bundle can be facilitated, therefore, the mesh type supporting plate can transversely support the tubebundle, flowing of the shell side media is not affected, and the use effect is good.
Owner:PETROCHINA CO LTD

Liquid level control system and liquid level measuring method based on oblique photography

The invention relates to a liquid level control system and liquid level measuring method based on oblique photography, wherein the liquid level control system comprises a nozzle bag; a nozzle bag cover is set on an upper portion of the nozzle bag; the nozzle bag cover is provided with a glass observation window; the glass observation window is provided with a scale; the liquid level height inside the nozzle bag and the inner wall of the nozzle bag are formed a liquid lever cross line; the scale is parallel to the liquid level cross line; a CCD camera is set above the nozzle bag in an inclined way; the liquid level cross line inside the nozzle bag is captured through an optical shaft of the CCD camera by penetrating through the glass observation window; the liquid level cross line, the scale and the lens focus of the CCD camera are in the same surface; a data transmission line is connected between the CCD camera and a PC machine; and the glass observation window is an oval shape. According to the invention, the liquid level control system and liquid level measuring method provided herein has the advantages of high measuring accuracy, rapid measuring speed, simple structure, easy removal and installation and low cost; the surface of an amorphous thin belt is bright; the figure of the fish scale is not obvious; and the quality of the amorphous thin belt is improved.
Owner:YANTAI WANLONG VACUUM METALLURGY

Reciprocating stirring type SCR reactor flue gas flow equalizing device and working method thereof

The invention discloses a reciprocating stirring type SCR reactor flue gas flow equalizing device and a working method thereof. The reciprocating stirring type SCR reactor flue gas flow equalizing device structurally comprises a spoiler, a reciprocating motion mechanism, a motor, a guide groove, a rectifier and the like. Rotation of the motor is converted into linear reciprocating motion through the reciprocating motion mechanism to drive the spoiler to reciprocate along the left-right direction of the flue; a disturbance perpendicular to the flowing direction of flue gas is applied to the flue gas in the flue through the spoiler, stirring and mixing of the flue gas are achieved, a temperature field, a flow field and components are enabled to be more uniform, the flow field is reintegratedthrough the rectifier arranged on the downstream, and it is guaranteed that the flow field of the flue gas entering the SCR reactor is uniform and stable.
Owner:HUADIAN ELECTRIC POWER SCI INST CO LTD

Heavy truck, engine and fan guard

The invention relates to a heavy truck, an engine and a fan guard. The fan guard is provided with a fan guard ring used for containing a fan, and a fixing hole is formed in the fan guard ring; the fan guard further comprises an annular brush, the annular brush comprises a base body and a plurality of flexible bristles fixed to the base body, and the base body can be fixed to the fixing hole through a fastener, so that the outer periphery of the base body is attached to the inner periphery of the fan guard ring, and the fixing hole is sealed; and each bristle extends in the radial direction of the air guard ring. Due to the arrangement of the annular brush, a gap which is small enough is formed between the fan guard and the blade tips of a fan, and therefore the heat dissipation efficiency of a heat dissipation device is improved. When the fan runs, the blade tips of the fan are prevented from being in contact with the fan guard ring, and mutual interference between the fan guard ring and fan blades is avoided. The gaps between the tail ends of the bristles and the tips of the fan blades of the fan are 3-8 mm, and the performance of the fan can be improved by about 8%.
Owner:C&C TRUCKS +1

Throw-in type liquid level transmitter

A throw-in type liquid level transmitter disclosed by the present invention comprises a detection assembly, a display and a waterproof cable used for connecting the detection assembly and the display, a cable core penetrates through the interior of the waterproof cable, the detection assembly comprises an amplification circuit, a circuit compensation plate and a pressure sensor, the cable core is electrically connected with the amplification circuit, and the circuit compensation plate is electrically connected with the pressure sensor. The amplifying circuit is electrically connected with the circuit compensation plate, the circuit compensation plate is electrically connected with the pressure sensor, and a lower sealing sleeve and an upper sealing sleeve which are used for protecting the detection assembly are arranged on the outer side of the detection assembly. The device can be protected through the cable protection cover, the sealing rubber block and the first sealing ring, the water inlet through hole of the device can be cleaned through the anti-blocking assembly, blocking is prevented, a power source does not need to be added, the anti-blocking assembly can be driven to move under the action of water flow, use is convenient, and the manufacturing cost is greatly saved.
Owner:ANHUI CHUNHUI INSTR CABLE GROUP

Integrated waste gas bypass turbo machine with airflow management device at turbine end

The invention discloses an integrated waste gas bypass turbo machine with an airflow management device at the turbine end. The integrated waste gas bypass turbo machine comprises a turbine shell, a bypass waste gas channel and a turbine waste gas channel, as well as an integrated turbine shell cover plate which is arranged at the air outlet end of the turbine shell; both the bypass waste gas channel and the turbine waste gas channel extend from the turbine shell to the integrated turbine shell cover plate; and flow guide grooves are formed in the integrated turbine shell cover plate, the bypass waste gas channel and the turbine waste gas channel communicate with each other through the flow guide grooves, and the flow guide grooves are formed in the position, away from a turbine, of the integrated turbine shell cover plate. According to the integrated waste gas bypass turbo machine with the airflow management device at the turbine end, the bypass waste gas and the waste gas entering theturbine are naturally mixed in an exhaust passage which is far away from the turbine, and the impact is relatively small when the two strands of airflow are converged; and the advantages of being small in airflow loss, low in noise, high in turbo machine efficiency and the like are achieved.
Owner:康跃科技(山东)有限公司

Balance ring for inner barrel of wave wheel washing machine

The invention relates to a balance ring that is used for an inner bucket of an impeller-typed washing machine and belongs to the field of household electric appliances. The balance ring is separated into an upper part and a lower part, namely, an upper balance ring and a lower balance ring, which are combined into a sealed circular cavity in a buckled way, a water blocking rib is arranged inside the circular cavity, and the circular cavity is filled with equilibrium liquid. By adopting the balance ring, the equilibrium liquid can flow orderly inside the balance ring and the water blocking ribimplements regular and ordered separation of the equilibrium liquid and does not affect the ordered flowing of the equilibrium liquid in the circular cavity. The whole balance ring is separated into two parts of the upper balance ring and the lower balance ring, thus reducing the production steps of the balance ring and greatly improving production efficiency; simultaneously the upper balance ring and the lower balance ring are combined in a buckled way with a buckle slot and a buckle belt, thus having high sealing degree and ultra-convenient assembly, expanding the space for the technical progress in the field, and having good implementation effect.
Owner:SUZHOU SAMSUNG ELECTRONICS CO LTD

A liquid level control system and liquid level measurement method based on oblique photography

The invention relates to a liquid level control system and liquid level measuring method based on oblique photography, wherein the liquid level control system comprises a nozzle bag; a nozzle bag cover is set on an upper portion of the nozzle bag; the nozzle bag cover is provided with a glass observation window; the glass observation window is provided with a scale; the liquid level height inside the nozzle bag and the inner wall of the nozzle bag are formed a liquid lever cross line; the scale is parallel to the liquid level cross line; a CCD camera is set above the nozzle bag in an inclined way; the liquid level cross line inside the nozzle bag is captured through an optical shaft of the CCD camera by penetrating through the glass observation window; the liquid level cross line, the scale and the lens focus of the CCD camera are in the same surface; a data transmission line is connected between the CCD camera and a PC machine; and the glass observation window is an oval shape. According to the invention, the liquid level control system and liquid level measuring method provided herein has the advantages of high measuring accuracy, rapid measuring speed, simple structure, easy removal and installation and low cost; the surface of an amorphous thin belt is bright; the figure of the fish scale is not obvious; and the quality of the amorphous thin belt is improved.
Owner:YANTAI WANLONG VACUUM METALLURGY

Grading production line for lithium battery cells

The invention provides a grading production line for lithium battery cells. The grading production line comprises a rack, a cell detection assembly, a flowing line body assembly, a blocking assembly and a line body transition assembly, the flow line body assembly is arranged on the rack, the blocking assembly is arranged on the flow line body assembly through a blocking support, and the line body transition assembly is arranged at the delivery end of the flow line body assembly; and the battery cell detection assembly is arranged on one side, close to the feeding end of the flow line body assembly, of the rack. On the premise of not influencing the transmission of the lithium battery cell on a logistics line, the turnover phenomenon during inertia stop can be reduced, the influence caused by vibration, protruding positions and the like in the conveying process is avoided, and the surface of the cell can be effectively prevented from being scratched. Moreover, the independent blocking cylinder is arranged, so that the flowing of the battery cells of other flowing line bodies is not influenced when a certain flowing line body stops working, the adjustment is convenient, and the grading and transmission of the battery cells with various sizes can be compatible.
Owner:深圳市泽诚自动化设备有限公司

Forming method for film transfer of dry fiber fabric and application thereof

ActiveCN109702923AFairly tailoredQuite laying processSolvent evaporationEngineering
The invention relates to a forming method for film transfer of a dry fiber fabric and application thereof. The method includes steps of covering tackifier on the upper or lower surface of a piece of release paper to obtain a release paper with an adhesive film after solvent evaporation; unfolding the dry fiber fabric on the release paper along the fiber direction and applying pressure to adhere the adhesive film to the surface of the fiber fabric; cutting the dry fiber fabric to obtain N fiber fabric with the release paper at a single side of the fiber fabric, namely the first layer of the fiber fabric, the second layer of the fiber fabric, ...and the Nth layer of the fiber fabric; applying the adhesive film of the release paper with the adhesive film to the side, without the release paper, of the first layer of the fiber fabric; and laying and covering, and then completing forming to obtain a fiber tackified preform. According to the method, the adhesive strength between layers of thefabric is improved, the dosage of fiber tackifier is reduced, the amount of fiber deformation in preform preparation is reduced, the quality of the preparation of the fiber preform is improved, and the forming quality of the product is ultimately guaranteed.
Owner:AEROSPACE INST OF ADVANCED MATERIALS & PROCESSING TECH

A low-noise pneumatic tire

ActiveCN111186262BGive full play to the effect of sound absorption and energy dissipationReduce dosageInflatable tyresLow noiseSound Absorber
The invention discloses a low-noise pneumatic tire, which is characterized in that: a sound-absorbing body is arranged in the annular tire cavity formed by the inner surface of the tread and the rim; The sound-absorbing bodies are arranged at equal intervals along the tire circumferential direction in the tire cavity, and the sound-absorbing bodies at radially symmetrical positions of the tire are monomers with the same density and shape, forming radial symmetry. The invention can effectively reduce the noise generated by the cavity resonance of the tire and reduce the vibration energy of the tire when running.
Owner:HEFEI UNIV OF TECH

Blanking tube induced air damping device

The present invention relates to a blanking tube induced air damping device comprising a rotating structure, an outer casing disposed at a periphery of the rotating structure, and two bearing seats disposed on the outer casing. The rotating structure comprises a rotating shaft and a choke plate, two ends of the rotating shaft are detachable, flow of material in a blanking tube cannot be hindered via the device, and only induced air is blocked via the device. A gap positioned at the middle of the choke plate is used for enabling the material in the blanking tube to pass through in an unobstructed manner, the choke plate cannot be impacted via the material, the flow of the material cannot be affected via the device, and material blockage can be prevented. If a small amount of scattered material falls on the choke plate, the material rotates downward when weight of the material gathering for a long time breaks the balance; when the choke plate is small in friction coefficient and greaterthan 60 degrees in inclination angle, the small amount of scattered material slides down; under the tensile force of a tension spring, the choke plate returns to an initial position, and material blockage can be prevented even if the scattered material gathers. The choke plate is mainly used for blocking a flowing path of the induced air carried by the material falling down in the blanking tube, and therefore the quantity of the induced air in the blanking tube can be greatly reduced.
Owner:BIG PAWER ELECTRICAL TECH XIANGYANG

Blade boundary layer suction jet device

The invention relates to a blade boundary layer suction jet device. The blade boundary layer suction jet device comprises a blade body, a rotor rotationally arranged on the airflow inlet and outlet end of the blade body and an arc-shaped blade leading edge covering the rotor and fixedly connected to the blade body. A plurality of stationary blade flow passages are arranged on the surface of the airflow inlet and outlet end of the blade body side by side. A plurality of spiral moving blade runners with the axis of the rotor as the center are arranged on the surface of the rotor. The stationaryblade runners are in one-to-one correspondence with the moving blade runners, the blade leading edge is fixed to the blade body, then a first gap for airflow inlet / outlet is formed between the blade leading edge and one surface of the blade body, a second gap for airflow inlet / outlet is formed between the blade leading edge and the other opposite surface of the blade body, and the first gap and the second gap both are communicated with the stationary blade runners. According to the blade boundary layer suction jet device, the stable and continuous jet can be obtained by driving the rotor to rotate through one driving source, the size and the direction of the jet are changed by controlling the rotating speed and direction of the rotor, and the control method is simple,
Owner:WUHAN UNIV

Anti-reflux device of gastroscope

An anti-reflux device of a gastroscope is arranged on the front portion of a handle end of an endoscope tube and connected with a working channel of the endoscope tube, the anti-reflux device of the gastroscope is provided with an upper bidirectional channel and a lower bidirectional channel, reflux grooves which are arranged in a staggered mode are arranged between the upper bidirectional channel and the lower bidirectional channel, and the reflux grooves are of a U-shaped structure and are communicated with the upper channel and the lower channel. The opening direction of the backflow groove faces the lens direction of the gastroscope. By means of the two staggered backflow channels, no resistance is generated to flowing of forward liquid, flow dividing and backtracking effects can be continuously generated by impacting reverse flowing liquid, fluid in the upper channel and the lower channel is prevented from flowing under pressure, and the stable and reliable backflow prevention effect is achieved.
Owner:宁波智光机电科技有限公司

Downloading method and device for mobile communication equipment terminal

ActiveCN101951404BAvoid occupyingDownload does not affectTransmissionTraffic capacityNetwork connection
The invention relates to the technical field of downloading of mobile communication equipment terminals, in particular to a downloading method and a downloading device for a mobile communication equipment terminal. The method comprises that: the mobile communication equipment terminal receives a file downloading request which comprises a file downloading link and detects whether the network connection mode meets the first rule; if the network connection mode meets the first rule, the mobile communication equipment terminal downloads the file according to the file downloading link acquired from the file downloading request; and if the network connection mode does not meet the first rule, the mobile communication equipment terminal saves the file downloading link acquired from the file downloading request in a preparation list, wherein when acquiring network connection mode change information, the mobile communication equipment terminal detects whether the network connection mode meets the first rule, and downloads the file according to the file downloading link saved in the preparation list if the network connection mode meets the first rule. During mobile network connection, when high flow downloading is carried out, a downloading process is hung so as to avoid greatly occupying the mobile network bandwidth for a long time; however, a large file is downloaded under the condition of broadband connection. Therefore, the flow is saved and the downloading efficiency is improved on the premise of not influencing user downloading.
Owner:ALIBABA (CHINA) CO LTD

Desulfurization and dust removal equipment and flue gas treatment equipment

The invention relates to the technical field of air pollution prevention and control, in particular to desulfurization and dust removal equipment and flue gas treatment equipment. The desulfurization and dust removal equipment comprises a main body which is provided with a closed cavity; a liquid storage device which is arranged on the main body and is used for accommodating reaction liquid; a spraying device which is arranged on the main body, wherein the liquid storage device is communicated with the spraying device; and a flow guide assembly which is arranged in the closed cavity and divides the closed cavity into at least two communicated flow guide cavities, wherein the flow guide cavities are used for limiting the flowing direction of smoke entering the main body. According to the desulfurization and dust removal equipment provided by the invention, the closed cavity of the main body is defined into the plurality of flow guide cavities, the plurality of flow guide cavities are sequentially communicated, and each flow guide cavity independently limits the flowing direction of the flue gas, so that the flue gas can be sprayed and purified and can be washed by reaction liquid, and the desulfurization and dust removal effects on the flue gas are remarkably improved; and the final product is safe and does not cause pollution.
Owner:INNER MONGOLIA JINTU ENVIRONMENTAL PROTECTION TECH

A washing machine with drying function

The invention discloses a washing machine with a drying function, comprising an outer cylinder and a drying device, the drying device and the outer cylinder are connected through a flexible air duct, and a support ring is arranged inside the flexible air duct , the outer wall of the support ring abuts against the inner wall of the flexible air duct. By setting the support ring inside the flexible air duct, the strength of the flexible air duct is ensured, the setting of reinforcing ribs is omitted, the flow of wind is not blocked, the processing technology is simplified, and the production cost is reduced; the outer wall of the support ring and the flexible air duct The inner wall of the flexible air duct is abutted, and the space occupied by the support ring is small, which does not affect the flow of fluid in the flexible air duct, reduces the loss of wind energy, and has a better drying effect.
Owner:QINGDAO HAIER WASHING ELECTRIC APPLIANCES CO LTD +1

air conditioner indoor unit

The invention provides an indoor unit of an air conditioner, which includes a casing, an air inlet, an air outlet, an evaporator and a cross-flow wind wheel. The back of the casing is provided with a left air inlet, a middle air inlet and a right air inlet side by side. The device covers the left air inlet, middle air inlet and right air inlet at the same time. The front of the casing is provided with left air outlet, middle air outlet and right air outlet. The left air outlet is connected with the left air inlet to form a left air duct and a middle air outlet It is connected with the middle air inlet to form a middle air duct, the right air outlet is connected with the right air inlet to form a right air duct, and the left air duct, the middle air duct and the right air duct are independent of each other. The air conditioner indoor unit adopts three independent air ducts to enhance the effect of diversion, air intake and air outlet, and improve the air supply capacity of the air conditioner indoor unit; and the three air outlets are arranged side by side on the left, middle and right, which can realize The 180-degree air supply angle range increases the air supply area to meet people's use requirements and improve the comfort of the indoor unit of the air conditioner.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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