97results about How to "Increase the circulation area" patented technology

The invention provides a magnetic suspension rotating machine. The magnetic suspension rotating machine comprises a magnetic suspension bearing and a motor stator and rotor. In the axial direction, the thrust disc is arranged between the first axial stator and the second axial stator, a first thrust disc ventilation hole is formed in the thrust disc in a penetrating mode from one axial end face to the other axial end face of the thrust disc, and the first axial stator comprises a first radial outer side part and a first radial inner side part. One end, positioned on the other axial end surface of the thrust disc, of each first thrust disc vent hole is positioned between the radial inner side part II of the axial stator II and the rotor, and the other end, positioned on the axial end surface of the thrust disc, of each first thrust disc vent hole is opposite to the position of the coil slot I in the axial direction; the first thrust disc vent hole is not opposite to the magnetic pole position of the first axial stator; and the motor stator and rotor runners are respectively communicated with the first thrust disc ventilation holes. According to the magnetic suspension bearing, heat dissipation and cooling of the magnetic suspension bearing are improved, meanwhile, the influence on a magnetic suspension magnetic circuit can be avoided, and enough magnetic suspension supporting force is guaranteed.

The invention provides an oil baffle structure, a rotor assembly, a motor and a compressor, the oil baffle structure is used for cooperating with a rotor core for use, and the rotor core is provided with a circulation hole which partially generates backflow when operating at a first rotating speed; the oil blocking structure comprises a movable blocking piece, and the movable blocking piece is used for being connected with the rotor iron core so as to be driven by the rotor iron core to rotate together and move to a first position relative to the rotor iron core when the rotor iron core operates at a first rotating speed. At the first position, the movable blocking piece blocks at least part of the circulation holes where backflow occurs. According to the technical scheme of the invention, as the movable blocking piece can block the circulation hole where backflow occurs when the rotor iron core operates at the first rotating speed such as high speed, the circulation area of the backflow circulation hole can be reduced, backflow is reduced, and the oil spitting rate of the compressor is reduced.

The invention provides a magnetic suspension rotating machine which comprises a cylinder body, a magnetic suspension bearing, a motor stator and a rotor, the cylinder body, the rotor and the stator are respectively provided with flow channels, in the axial direction, a thrust disc is arranged between a first axial stator and a second axial stator, and thrust disc ventilation holes are formed in the thrust disc from one axial end face to the other axial end face in a penetrating mode. The first axial stator comprises a first radial outer side part and a first radial inner side part, the first radial outer side part and the first radial inner side part are arranged at intervals in the radial direction of the first axial stator, and a first coil groove is formed between the first radial outer side part and the first radial inner side part. One end, located on one axial end face of the thrust disc, of the first thrust disc air inlet hole is opposite to the position of the first coil groove in the axial direction, and one end of the first thrust disc air inlet hole is not opposite to the magnetic pole position of the first axial stator. According to the magnetic suspension bearing, heat dissipation and cooling of the magnetic suspension bearing are improved, meanwhile, the influence on a magnetic suspension magnetic circuit can be avoided, and enough magnetic suspension supporting force is guaranteed.

The invention discloses an air pressure adjusting system and a substrate processing apparatus. The air pressure adjusting system is used for adjusting air pressure in different process cavities in the substrate processing device, and comprises an exhaust pipeline connected with the process cavities; the air exhaust regulating valve is arranged on the air exhaust pipeline; the barometer is arranged on the exhaust pipeline and is positioned between the process cavity and the exhaust regulating valve; and the control part is in communication connection with the air exhaust adjusting valve and the barometer and is configured to control the opening degree of the air exhaust adjusting valve so as to adjust the air exhaust rate of the air exhaust pipeline, so that the air pressure detection value of the barometer is equal to a first air pressure preset value, and the air pressure in the process cavity is equal to a second air pressure preset value. By means of the scheme, the problem that in existing substrate processing equipment, due to air pressure fluctuation of the main exhaust pipeline, the air pressure in the process cavity is unstable is solved.

A radiator capable of rapidly dissipating heat, a shell unit with the radiator, and a casting mold for manufacturing the radiator. The radiator comprises a radiator plate body, a partition plate protruding upward is arranged on the radiator plate body, the partition plate can divide the space above the radiator plate body into a zigzag refrigerant flow channel, a plurality of heat dissipation columns arranged at intervals are arranged on the wall area of ​​the radiator plate body corresponding to the refrigerant flow channel, and the heat dissipation columns are protruding upward; a heat dissipation fin protruding upward is also arranged on the wall area of ​​the radiator plate body corresponding to the refrigerant flow channel, the heat dissipation fin is arranged along the extension direction of the flow channel section of the refrigerant flow channel where the heat dissipation fin is located, the heat dissipation fin at least connects the roots of some adjacently arranged heat dissipation columns in front and behind, the height of the heat dissipation fin is less than the height of the heat dissipation column connected thereto, and the heat dissipation fin, the heat dissipation column and the radiator plate body are an integrated structure.

The invention discloses a sealing, reinforcing and plugging process for a long-well-section large-drift-diameter expansion pipe, and relates to the technical field of oil field well pipe reinforcing and repairing. A plurality of rubber rings are attached to the outer side of the expansion pipe, and the rubber rings are arranged at equal intervals in the axis direction of the expansion pipe; on the outer wall of the expansion pipe, the section between every two adjacent rubber rings is coated with a thermosetting bonding layer; the outer diameter of the thermosetting bonding layer is smaller than that of the rubber ring. The thermosetting bonding layer is creatively arranged on the outer side of the expansion pipe, the structural strength of the expansion pipe is improved through the bonding effect of the bonding layer, the wall thickness of the expansion pipe is reduced, in other words, the inner diameter of the installed expansion pipe is enlarged, and therefore the application range of the expansion pipe plugging technology is expanded. Meanwhile, the technical scheme has the advantages of being long in plugging well section, good in sealing effect and low in single well construction cost.

The utility model belongs to the technical field of heat dissipation structures, and particularly relates to a circuit board heat dissipation structure. Comprising a fan, a shell, heat dissipation plates, heat conduction copper pipes, semiconductor chilling plates and two-way memory springs, the bottom ends of the heat conduction copper pipes are evenly distributed in an S shape and fixedly connected with the shell through the semiconductor chilling plates arranged on the lower surfaces of the heat conduction copper pipes, a circuit board is arranged on the upper surfaces of the bottom ends of the heat conduction copper pipes, and the heat dissipation plates are connected to the upper ends of the heat conduction copper pipes in a sleeving mode. And a two-way memory spring is arranged between every two adjacent heat dissipation plates. And the fan is arranged on the shell. The circuit board heat dissipation structure has the advantages of low power, low power consumption, simple device, compact structure and damping function, and can adjust the heat dissipation amount according to the internal temperature of the device.

The invention provides a magnetic suspension rotating machine which comprises a magnetic suspension bearing, a motor stator and a rotor, a motor stator runner is formed in the motor stator, and a motor rotor runner is also formed in the rotor; in the axial direction, the thrust disc is arranged between the first axial stator and the second axial stator, the first axial stator comprises a first radial outer side part and a first radial inner side part, the first radial outer side part and the first radial inner side part are arranged at intervals in the radial direction of the first axial stator, a first coil groove is formed between the first radial outer side part and the first radial inner side part, and a first coil is arranged in the first coil groove. A thrust disc ventilation hole is formed in the thrust disc from one axial end face to the other axial end face in a penetrating mode, the thrust disc ventilation hole is not opposite to the magnetic pole position of the first axial stator, and / or the thrust disc ventilation hole is not opposite to the magnetic pole position of the second axial stator. According to the magnetic suspension bearing, heat dissipation and cooling of the magnetic suspension bearing are improved, meanwhile, the influence on a magnetic suspension magnetic circuit can be avoided, and enough magnetic suspension supporting force is guaranteed.

The invention relates to the technical field of process industry automation, in particular to a tower type low-noise valve seat cam bending valve which comprises a valve body. A valve core; a valve seat; an inner cavity of the valve seat is provided with at least three layers of arched spherical noise reduction pore plate groups connected with the spherical surface; a column body is arranged in the center of the spherical surface in the direction facing the medium inlet end, and the end, not connected with the spherical surface, of the column body penetrates through the arched spherical noise reduction pore plates and is connected with the center of the arched spherical noise reduction pore plate on the outermost layer; arc-shaped interval channels are formed between the arch-shaped spherical noise reduction pore plates and the inner wall of the valve seat, between every two adjacent arch-shaped spherical noise reduction pore plates and between the arch-shaped spherical noise reduction pore plates and the column body, and four annular through grooves are symmetrically formed in the positions, corresponding to the interval channels, of the spherical surface. And the annular parallel noise reduction pore plate group is arranged in an interval channel between the arched spherical noise reduction pore plate and the inner wall of the valve seat and is fixedly connected with the valve seat.

The invention provides a stator punching sheet, a stator core, a motor and a compressor, relates to the technical field of compressors, and solves the technical problem of poor heat dissipation performance of a vortex motor. The stator punching sheet comprises a punching sheet body and a plurality of oil through holes arranged in a yoke part. And all the oil through holes and all the stator inner grooves are arranged in a one-to-one correspondence manner. According to the invention, the oil through holes are formed in the yoke part corresponding to the stator inner grooves, so that oil flowing from the edge originally is forced to flow to the internal opening area, and a flowing oil-gas mixture can take away most heat when flowing through the oil through holes, so that the heat dissipation performance of the stator during operation is greatly improved; the vortex motor can be kept at a low temperature in the operation process through good heat dissipation, resistance increase and magnetic loss increase caused by temperature rise are reduced, and therefore the efficiency and the output power of the motor are improved, the motor can stably operate in a wider load range, and good performance is kept.

The oil compensation structure comprises an upper connecting ring, a lower connecting ring and a compensation mechanism, the upper connecting ring is arranged on the lower connecting ring to form a connecting ring mechanism, and oil through holes are formed in the lower connecting ring and the upper connecting ring. A cavity capable of being communicated with the oil through hole is formed between the upper connecting ring and the lower connecting ring, a plurality of compensation oil holes capable of being communicated with the cavity are formed in the lower connecting ring, and the compensation mechanism is arranged on the portion, in the cavity, of the lower connecting ring. The compensation mechanism comprises a compensation valve plate, an elastic blocking piece and an elastic piece, the compensation valve plate is arranged above the compensation oil hole, the elastic blocking piece is connected to the lower connecting ring above the compensation valve plate, and the elastic piece is arranged between the compensation valve plate and the elastic blocking piece. The oil liquid compensation structure has the advantages that oil liquid compensation in the compression stroke of the shock absorber can be achieved, the damping characteristic of the shock absorber is improved, and the comfort of a vehicle is improved.

The utility model provides a flow guide device applied to an exhaust channel of a gas turbine. The flow guide device mainly comprises a frame, a pore plate, a flow guide inclined sheet 01, a flow guide inclined sheet 02, a flow guide inclined sheet 03, a flow guide shoulder sheet, rivets and glass silk floss. The exhaust channel is characterized in that a flow guide device is mounted in the exhaust channel of the gas turbine, the flow direction of airflow can be changed, airflow resistance loss is reduced, the circulation area is increased, the air circulation efficiency is improved, the internal environment temperature of a cabin of the gas turbine is reduced, and meanwhile the sound insulation requirement can be met. And effective use guarantee can be provided for users, and the popularization value is high.

The invention provides a mixed flow heat exchange device for outputting hot water, which is characterized in that the connecting line of the vertexes of the section of a jet pipe is a square, a pipe wall is formed between the adjacent vertexes of the square, the pipe wall is bent, the bending direction of the bend faces the center of the square, and jet holes for jetting from the inside of the jet pipe to the outside of the jet pipe are formed in the pipe wall. The invention provides a heat exchange device adopting a novel square jet pipe, so that the mixing heat exchange effect of two fluids is better and more uniform, and the heat exchange efficiency is improved.

The invention relates to an internal combustion engine technology, in particular to an integrated built-in engine oil efficient cooling device which comprises an engine body, an engine oil cooler cover and an engine oil cooler inner core, a first inner cavity is formed in the front end face of the engine body, and the engine oil cooler inner core is installed in the first inner cavity. The engine oil cooler inner core is obliquely arranged downwards from left to right in the length direction. A second inner cavity is formed in the rear end face of the engine oil cooler cover and surrounds the cooling liquid outlet, the cooling liquid inlet and the outer portion of the engine oil cooler inner core, and a first flow guide plate and a second flow guide plate are arranged in the second inner cavity. The engine oil cooler cover is further integrated with an oil supply module, an engine filter seat module and a bypass module. Due to the design of the flow guide plates, as much water flow as possible uniformly passes through the long edges of the core plates of the inner core of the engine oil cooler at a large angle, the flow speed of cooling water between the core plates is increased, and more efficient cooling of the engine oil cooler is achieved. The engine oil channels are all built-in, the integration degree is high, and the structure is compact.

The present invention proposes a wiring structure for pressure-bearing equipment, including a pressure-bearing equipment housing, a protective cover, a terminal, a power cord, a cover plate and a terminal connection plate. The cover plate is sealed on the protective cover and connected with the protective cover to form a protective box with a wiring cavity inside; the protective cover is welded to the outer wall of the pressure-bearing equipment housing, and the terminal connection plate is arranged in the protective cover, with its back abutting against the bottom of the protective cover, and the terminal connection position thereon is arranged one-to-one with the external connector of the terminal and the power cord connector of the power cord; the power cord connector of the power cord, the external connector of the terminal and the terminal connection plate are fastened and connected by terminal bolts, power cord connector perforations, external connector perforations of the terminal and the mounting holes of the terminal connection plate. The present invention has a simple structure and is easy to produce. It not only meets the high reliability requirements of waterproof, dustproof and electric shock proof, but also is suitable for use in relatively harsh environments, greatly prolonging the service life of the core components of the pressure-bearing equipment and improving the stable operation time of the pressure-bearing equipment.

The invention provides a stator punching sheet, a stator, a motor and a compressor, the stator punching sheet comprises a yoke part and a plurality of tooth parts, the tooth parts are arranged on the inner circumferential wall of the yoke part along the radial direction of the yoke part, and the plurality of tooth parts are arranged on the inner circumferential wall of the yoke part at intervals along the circumferential direction of the yoke part. A plurality of grooves are formed in the peripheral wall of the yoke part, the grooves penetrate through the yoke part in the axial direction of the yoke part, and the grooves and the tooth parts are arranged in a one-to-one correspondence mode. According to the compressor, the technical problem that in the prior art, a motor stator and a compressor shell in a compressor are assembled in an interference shrinkage fit mode, heat of the stator cannot be dissipated in time, and consequently the motor is prone to being damaged can be solved.

The present invention relates to internal combustion engine technology, specifically an integrated built-in oil efficient cooling device, including an engine body, an oil cooler cover and an oil cooler inner core, wherein the front end face of the engine body is provided with a first inner cavity, the oil cooler inner core is installed in the first inner cavity, and the oil cooler inner core is tilted downward from left to right along the length direction; the rear end face of the oil cooler cover is provided with a second inner cavity, the second inner cavity surrounds the coolant flow outlet, the coolant flow inlet and the outside of the oil cooler inner core, and the second inner cavity is provided with a first guide plate and a second guide plate; the oil cooler cover is also integrated with an oil supply module, an oil filter seat module and a bypass module. The design of the guide plate of the present invention allows as much water as possible to pass evenly between the long sides of the core plates of the inner core of the oil cooler at a large angle, increases the cooling water flow rate between the core plates, and realizes more efficient cooling of the oil cooler. The oil channels of the present invention are all built-in, with high integration and compact structure.

The utility model relates to a spraying mechanism for processing automobile plastic products, which comprises a protective box, two groups of driving rollers are symmetrically arranged in the protective box, a conveying mesh belt is arranged between the two groups of driving rollers, a first motor is arranged on the protective box and is in transmission connection with the driving rollers, and a plurality of support frames are uniformly arranged on the conveying mesh belt. A spraying pipe is arranged in the protection box and located above the conveying net belt, the input end of the spraying pipe is connected with a spraying assembly, a blowing pipe is arranged on the front side of the spraying pipe, the air inlet end of the blowing pipe is connected with an air blower, a drying lamp set is arranged on the rear side of the spraying pipe, a dust suction cover is arranged at the bottom end of the conveying net belt, and a dust suction pipe is connected to the dust suction cover. According to the automobile plastic product spraying device, streamlined operation of automobile plastic products in the spraying process can be achieved, and the spraying efficiency is improved.

The application relates to the technical field of kitchen appliances, and discloses a range hood. The range hood comprises a fan assembly and a pipeline assembly, the fan assembly comprises a machine box and a fan which is obliquely arranged in the machine box, an air inlet of the machine box is arranged on the machine box, the pipeline assembly is connected with the machine box, an inner cavity of the pipeline assembly is communicated with the air inlet of the machine box, and a noise reduction outward expansion structure close to a wall and a flow guide outward expansion structure away from the wall are arranged at the connection position of the pipeline assembly and the machine box. Since the fan is obliquely arranged at a certain angle, the wide flow channel side area of the fan air inlet is farther away from the air inlet of the machine box, the airflow of the fan air inlet is beneficially flowed, the noise reflected by the noise reduction outward expansion structure has a certain phase angle with the noise direction of the fan, thereby canceling part of the noise energy, the outward expansion direction of the flow guide outward expansion structure is towards the kitchen internal space, the airflow turning angle is increased, the flow loss is reduced, the tail edge separation vortex is weakened, the effective flow area is increased, and the performance of the fan can be further improved.

The utility model relates to the technical field of oxygen compressors, in particular to a circulating treatment mechanism for circulating water of an oxygen compressor, which adopts the technical scheme that the circulating treatment mechanism comprises an inlet blind pipe body and a communicating pipe, and a sealing flange plate is fixedly mounted at one end of the inlet blind pipe body; the communicating pipe is communicated and mounted on the sealing flange plate; the lowest point of the inner wall bottom of the communicating pipe coincides with the lowest point of the inner wall bottom of the inlet blind pipe body. The end, away from the sealing flange plate, of the communicating pipe communicates with the blow-down valve body. The utility model solves the problem that the sludge in the water pipeline of the equipment cannot be flushed on line.

The utility model provides a kind of valve group and compressor of miniaturization reciprocating compressor, it is related to compressor field, to the problem that the temperature of existing small compressor cylinder head is too high, gas flow resistance increases and leads to efficiency reduction, by the offset structure of valve plate on the valve plate subassembly suction hole, enlarge suction valve port flow area, reduce suction resistance, reduce the pressure loss and friction heat in suction process, to reduce suction overheating, from the source to relieve cylinder head overheating problem, allow to adopt smaller size cylinder hole, meet the demand of compressor miniaturization, the valve tongue both sides of suction valve piece are provided with contraction part to form waist, exhaust hole is arranged between two sides waist, adapt to the compact space of miniaturization valve group, suction muffler outlet and cylinder cover keep apart, leave gap, cut off the heat conduction path between cylinder cover and suction muffler, form heat insulation, reduce suction overheating, reduce cylinder head temperature benign cycle, improve miniaturization reciprocating compressor efficiency.

The utility model relates to a novel anti-vibration reboiler, and belongs to the field of tubular reboiler structures. Comprising a reboiler, one end of a tube bundle in the reboiler is connected with a fixed tube plate, the other end of the tube bundle is connected with a floating tube plate, an arc-shaped notch is formed in the top of a baffle plate in the reboiler, reinforcing rib plates are arranged at the two ends of the tube bundle in the reboiler, and the two ends of the tube bundle penetrate through the reinforcing rib plates to be connected with the fixed tube plate and the floating tube plate respectively. The reboiler is simple in structure, vibration of the heat exchange tubes at the top of the tube bundle is reduced, and the service life of the reboiler is prolonged.

The invention discloses a powder drying device and method. A hot air distribution form and a tower body structure of a drying tower are adopted, so that the phenomena of powder hanging and wall sticking of powder particles are reduced. In the powder spray drying process, the adoption of relatively low atomization pressure and relatively large spray hole diameter is beneficial to preparation of powder particles with relatively large average particle size, and the adoption of relatively low inlet temperature and outlet temperature is beneficial to keeping relatively high crystallinity and water content of the molecular sieve. The powder drying method provided by the invention is suitable for spray drying of powder materials such as the silicon-aluminum molecular sieve, and has the characteristics of large average particle size of the product, high crystallinity retention rate, high product yield and the like.

This invention relates to a low-noise optical module three-temperature testing device, comprising a test box with a test cavity formed inside. An air inlet pipe is connected to the test box and communicates with the test cavity. A first silencing cavity is also formed inside the test box, and a first exhaust channel communicating with the first silencing cavity is provided on the test box. A duct is also connected to the test box, connecting the test cavity and the first silencing cavity. By setting up the first silencing cavity and connecting it to the test cavity via the duct, this invention not only extends the gas flow path within the test box and serves to store airflow, but also significantly increases the gas flow area and the diffuse reflection area and number of reflections within the test box, thereby reducing gas velocity and noise energy, achieving noise reduction. The test cavity-duct-first silencing cavity can form a Venturi effect, resulting in better noise reduction.

The utility model provides a large -diameter high pressure anti -explosion hose relates to the field of hose, the utility model discloses the built -in hose and a plurality of connecting blocks are included to the built -in hose, the utility model discloses the anti -explosion device is set up, and the use of large -diameter hose is used in building engineering to carry out high pressure cleaning operation when using, and the strength of built -in hose can be enhanced with a plurality of reinforcing ribs and reinforcing wire mesh, and the pressure -bearing capacity is improved, so as to reduce the possibility of blasting, when built -in hose breaks, it will enter between the built -in hose and the built -in hose, increase the flow area, carry out the first step pressure -relief explosion -proof, if pressure still continues to increase, the pressure -relief mechanism on the built -in hose will carry out secondary pressure -relief treatment, thereby effectively reduce the problem of pipe wall fatigue damage, improve cleaning efficiency, avoid the disorderly injection of high pressure water flow to the operator cause physical injury, or the situation of damaging peripheral facilities occurs, reduce the security risk when using.

The utility model relates to the technical field of drinking water equipment, and provides drinking water equipment which comprises a water supply assembly, a heat storage device and a heating assembly, the heat storage device is connected to the water outlet end of the water supply assembly and comprises a shell assembly and a heat exchange assembly arranged in the shell assembly, and a gap between the heat exchange assembly and the shell assembly is filled with heat storage media. The heat exchange assembly is provided with at least two groups of heat exchange pipelines in parallel, the heat exchange assembly is provided with a purified water inlet and a purified water outlet, and the purified water inlet and the purified water outlet are respectively communicated with each group of heat exchange pipelines; the heating assembly is connected to the purified water outlet and suitable for being connected with the water using assembly. Compared with the heat exchange assembly which is provided with a single heat exchange pipeline with the same flow area, the heat exchange assembly can effectively increase the flow area of the heat exchange pipeline and reduce the flow resistance of purified water in the heat exchange pipeline.