CN201140135Y - Atomizing dish of high-speed centrifugation atomizer - Google Patents
Atomizing dish of high-speed centrifugation atomizer Download PDFInfo
- Publication number
- CN201140135Y CN201140135Y CNU2007201885281U CN200720188528U CN201140135Y CN 201140135 Y CN201140135 Y CN 201140135Y CN U2007201885281 U CNU2007201885281 U CN U2007201885281U CN 200720188528 U CN200720188528 U CN 200720188528U CN 201140135 Y CN201140135 Y CN 201140135Y
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- disk
- atomizing
- shaped base
- disc
- atomizing disk
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Abstract
Disclosed is an atomizing disk of a high speed centrifugal atomizer, a nozzle disk is located between a lower disk surface of a disk-shaped upper cover and an upper disk surface of a disk-shaped base, the nozzle disk, the lower disk surface of a disk-shaped upper cover and an upper disk surface of a disk-shaped base are fixed via screws, the disk-shaped upper cover, the disk-shaped base and the inner wall of the nozzle disk form into a storage space of spraying solution, cylinder holes are peripherally and uniformly distributed on the nozzle disk along the radial direction, and a nozzle and a plug are respectively mounted in every cylinder hole from inside to outside. The atomizing disk of a high speed centrifugal atomizer is simple in structure, easy in processing, convenient in mounting and dismounting of the atomizing nozzle, not only enlarges atomizing distance, but also reduces requirements upon rotational speed of the atomizing disk, improves working condition of bearings of a driving shaft of the atomizing disk, and reduces requirements of mounting and lubrication of the bearings. The rotational speed of the atomizing disk can be lower than 10000r/min, thereby reducing vibration of the atomizing disk and a motor main shaft, prolonging the service life of the motor, and simultaneously largely reducing using cost of the atomizer, without speed-raising system.
Description
Technical field
The utility model belongs to the solid waste incineration process field, and specifically, the critical component that relates to solid waste incineration smoke treatment cleaning system is the atomizing disk of high speed centrifugal type atomizer.
Background technology
High speed centrifugal type atomizer is to drive atomizing disk by high-speed electric expreess locomotive to rotate at a high speed, the atomizing disk of rotation produces powerful centrifugal force at a high speed, the material of suspension or emulsion form is sprayed by the special nozzle of atomizing disk structure, thereby be atomized to having the drop of micron order yardstick.Increase by the granule surface area after the atomizing, more help its carry out mass-and heat-transfer or and other medium mix and react.
Existing atomizing disk is cylindrical, is provided with liquid storage cylinder in the middle, offers the nozzle installing hole around the liquid storage cylinder, and the head end of this nozzle installing hole communicates with liquid storage cylinder, and tail end connects the outer rim to atomizing disk.For prevent that nozzle from throwing away from the nozzle installing hole when atomizing disk rotates at a high speed, position near tail end in the nozzle installing hole is provided with a limited step, on atomizing disk, must the direction towards the atomizing disk outer rim carry out from liquid storage cylinder during the working nozzle installing hole like this, not only trouble is required great effort, working (machining) efficiency is not high, and also very inconvenience of the installation of nozzle.Simultaneously, the diameter of cylindrical atomizing disk is little, and nozzle quantity is few, if will reach the requirement of atomizing particle diameter, must adopt very high rotating speed (reach more than the 10000r/min, even reach 40000r/min).Traditional way all is to adopt the gear of gear speedup case speed change to come the transmission atomizer, the manufacturing cost costliness, and its noise, vibration are very big, serious wear.The employing belt transmission is also arranged, and belt transmission is at high temperature easily skidded, and causes the atomizer rotating speed to reduce and instability, and atomizing effect is poor.In addition, behind the use certain hour, belt is easily aging.Because the turn up 10000r/min of atomizing disk is very high to manufacturing, the installation accuracy requirement of atomizing disk driving shaft bearing, the bearing length time rotates at a high speed and can produce very high heat, causes the bearing lubrication grease to run off, and bearing is damaged because of the running oil starvation easily.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of processing and assembling is simple, also can reduce the atomizing disk to the high speed centrifugal type atomizer of rotating speed requirement.
The technical solution of the utility model is as follows: a kind of atomizing disk of high speed centrifugal type atomizer, the spray nozzle plate of a circular ring structure is between the upper disk surface of the following card of dish type loam cake and disc-shaped base, the three fixes by screw, central authorities at the disc-shaped base upper disk surface are provided with boss, this boss passes from the charging hole of dish type loam cake central authorities, and the center of boss offers the installing hole that passes for rotating shaft; Form the atomized liquid storage area of an annular between described dish type loam cake, disc-shaped base and the spray nozzle plate inwall, footpath at spray nozzle plate upwards is evenly distributed with cylindrical hole by circumference, nozzle and plug are installed respectively in each cylindrical hole from inside to outside, the endoporus of described plug docks with the centre bore of nozzle, and plug is to the nozzle axial limiting.
The utility model installs on the rotating shaft by the installing hole cover on the disc-shaped base central boss, is fixed by locking device.Because the hole for nozzle and plug installation on the spray nozzle plate is simple cylindrical shape, can process from outside to inside, thereby reduce difficulty of processing, has improved working (machining) efficiency, has guaranteed machining accuracy; Equally, nozzle also can be installed from outside to inside, and the installation and removal of nozzle are all very convenient.The utility model can be made nearly 30 of nozzle quantity, nozzle diameter reaches 400mm less than the diameter of 10mm, atomizing disk, and atomizing disk integral body is diameter much larger than the flat of height, has increased atomization distance thus.The atomizing disk diameter is big, helps increasing nozzle quantity, guarantees that atomized liquid atomizing back is in circumferential uniformity; The atomizing disk diameter is big, has reduced the requirement to the atomizing disk rotating speed, has improved the condition of work of atomizing disk driving shaft bearing, has reduced installation, lubricating requirement to bearing.The atomizing disk rotating speed can be lower than 10000r/min, has reduced the vibration of atomizing disk and electric machine main shaft, prolongs the service life of motor.Simultaneously, do not need the speedup system, greatly reduce the use cost of atomizer.
Pass through the transition of arc surface of revolution between the upper disk surface of above-mentioned disc-shaped base and the lateral wall of central boss; The charging hole of described dish type loam cake central authorities is made up of upper straight section and lower cone section, and wherein the smallest end of lower cone section is last, and the diameter of lower cone section smallest end is greater than the diameter of described upper straight section.The lateral wall of the inwall of spray nozzle plate, the upper disk surface of disc-shaped base, arc surface of revolution, boss, the inclined-plane of charging hole lower cone section and charging hole lower cone section become the storage area of atomized liquid with the transition face one common peripheral of upper straight section, it is unobstructed that the inclined-plane of arc surface of revolution and charging hole lower cone section works to guarantee that atomized liquid flows.
Be provided with circular limited step at the upper disk surface of the following card of above-mentioned dish type loam cake and disc-shaped base near the relative position at edge, the diameter of this limited step and the internal diameter of spray nozzle plate adapt, on the card in the limited step outside, have groove, be embedded sealing ring in the described groove.Limited step on dish type loam cake and the disc-shaped base plays the seam effect, the concentricity when guaranteeing that dish type loam cake, disc-shaped base and spray nozzle plate three are assembled into one, reduces the motion degree of unbalancedness, improves the atomizing disk running accuracy.And the faying face place of dish type loam cake and spray nozzle plate, spray nozzle plate and disc-shaped base all is equipped with sealing ring, can prevent that atomized liquid from leaking.
Above-mentioned disc-shaped base convex platform center is up big and down small bellmouth for the installing hole that rotating shaft passes, the tapering of load segment adapts on the tapering of this bellmouth and the rotating shaft, disc-shaped base connects by taper fit with rotating shaft, guarantee the concentricity of atomizing disk and rotating shaft, improved the atomizing disk running accuracy.Under the effect of locking device, can make disc-shaped base and rotating shaft form tight fit, guarantee that atomizing disk is reliable with connecting of rotating shaft.
In order to improve the atomizing effect of atomized liquid, increase atomization distance, the centre bore of said nozzle is divided into two sections, and one section of the close described spray nozzle plate center of circle is interior big outer little taper shrinkage hole, and other one section is cylindrical hole.
Above-mentioned plug is cylindrical, is threaded between plug and the spray nozzle plate, is used for the relative position of limits nozzle in cylindrical hole, and when preventing that atomizing disk from rotating at a high speed, nozzle is loosening, break away from spray nozzle plate, also is convenient to the installation and removal of nozzle; The endoporus of plug is a regular hexagon, is convenient to tightening, dismantling of plug.
The beneficial effects of the utility model are:
1, because the hole that supplies nozzle and plug to install on the spray nozzle plate is simple cylindrical shape, can processes from outside to inside, thereby reduce difficulty of processing, improve working (machining) efficiency, guarantee machining accuracy; Equally, nozzle also can be installed from outside to inside, and the installation and removal of nozzle are all very convenient.
2, the arc surface of revolution is arranged on the disc-shaped base, covered the inclined-plane on the dish type, both binding energy guarantee the mobile unobstructed of atomized liquid.
3, dish type loam cake and disc-shaped base have all designed seam, guarantee concentricity, reduction motion degree of unbalancedness when dish type loam cake, disc-shaped base and spray nozzle plate three are assembled into one, improve the atomizing disk running accuracy.And the faying face place of dish type loam cake and spray nozzle plate, spray nozzle plate and disc-shaped base all is equipped with sealing ring, can prevent that atomized liquid from leaking.
4, disc-shaped base convex platform center is up big and down small bellmouth for the installing hole that rotating shaft passes, and has guaranteed the concentricity of atomizing disk and rotating shaft, has improved the atomizing disk running accuracy.Under the effect of locking device, connect reliable between disc-shaped base and the rotating shaft.
5, one section of the centre bore of nozzle employing two-part structure, and the close spray nozzle plate center of circle is shrinkage hole, and effective like this atomizing effect that improves atomized liquid has increased atomization distance.
6, plug is cylindrical, and outer wall is processed with external screw thread, screws with the spray nozzle plate internal thread, is used for the relative position of limits nozzle in cylindrical hole, and when preventing that atomizing disk from rotating at a high speed, nozzle is loosening, the disengaging spray nozzle plate, also is convenient to the installation and removal of nozzle.The plug endoporus is a regular hexagon, is convenient to tightening, dismantling of plug.
7, atomizing disk integral body is the flat of diameter much larger than height, has increased atomization distance.The atomizing disk diameter is big, helps increasing nozzle quantity, guarantees that atomized liquid atomizing back is in circumferential uniformity.
8, the atomizing disk diameter is big, has reduced the requirement to the atomizing disk rotating speed, has improved the condition of work of atomizing disk driving shaft bearing, has reduced installation, lubricating requirement to bearing.Bearing does not need to design special lubricating system, adopts common grease lubrication just can satisfy lubricated, the cooling requirement of bearing.
9, the atomizing disk rotating speed can be lower than 10000r/min, has reduced the vibration of atomizing disk and electric machine main shaft thus, prolongs the service life of motor.
10, the atomizing disk rotating speed can be lower than 10000r/min, does not need the speedup system, greatly reduces the use cost of atomizer.
11, parts such as dish type loam cake, disc-shaped base, spray nozzle plate are all selected low, the erosion-resisting new material of density for use, have reduced the rotary inertia of rotary system, and have improved service life.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of dish type loam cake in the utility model.
Fig. 3 is the upward view of Fig. 2.
Fig. 4 is the structural representation of disc-shaped base in the utility model.
Fig. 5 is the vertical view of Fig. 4.
Fig. 6 is the structural representation of spray nozzle plate in the utility model.
Fig. 7 is the vertical view of Fig. 6.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As Fig. 1, Fig. 2 and shown in Figure 3, the utility model is made of parts such as spray nozzle plate 1, dish type loam cake 2, disc-shaped base 3, nozzle 4, plug 5, sealing ring 6 and screws 7.Wherein the central authorities of dish type loam cake 2 offer charging hole 2a, and this charging hole 2a is made up of upper straight section and lower cone section, and wherein the smallest end of lower cone section is last, and the diameter of lower cone section smallest end is greater than the diameter of described upper straight section.Be evenly distributed with a plurality of through hole 2d at dish type loam cake 2 near on the circumference at its edge, the following card that dish type loam cake 2 is positioned at through hole 2d inboard is provided with circular limited step 2e, following card between this limited step 2e and the through hole 2d has annular groove 2f, is embedded with sealing ring 6 among the groove 2f.
From Fig. 1, Fig. 4 and Fig. 5 as can be known, be formed with boss 3c, be processed with external screw thread on the outer wall of this boss 3c in the central authorities of 3 times cards of disc-shaped base; The central authorities of disc-shaped base 3 upper disk surfaces are formed with boss 3a, pass through arc surface of revolution 3b transition between the lateral wall of the upper disk surface of disc-shaped base 3 and boss 3a, and the center of boss 3a offers the installing hole that passes for rotating shaft, this installing hole is up big and down small bellmouth, connects to the bottom surface of boss 3c from the end face of boss 3a.Be evenly distributed with a plurality of tapped through hole 3d at disc-shaped base 3 near on the circumference at its edge, the through hole 2d sizableness on the tapped through hole 3d on the described disc-shaped base 3 and the dish type loam cake 2, quantity is identical, the position is relative.The upper disk surface that is positioned at tapped through hole 3d inboard at disc-shaped base 3 also is provided with a circular limited step 3e, the circular limited step 2e equal and opposite in direction of this circle limited step 3e and 2 times cards of dish type loam cake.Upper disk surface between disc-shaped base 3 limited step 3e and tapped through hole 3d has annular groove 3f, is embedded with sealing ring 6 among the groove 3f.
From Fig. 1, Fig. 4, Fig. 5, Fig. 6 and Fig. 7 also as can be known, spray nozzle plate 1 is the circular ring structure of diameter much larger than its thickness, between the upper disk surface of the following card of dish type loam cake 2 and disc-shaped base 3, the diameter of the internal diameter of spray nozzle plate 1 and dish type loam cake 2 and disc-shaped base 3 upper limit step 2e, 3e adapts, and the inwall of spray nozzle plate 1 and limited step 2e, 3e fit, and the outer rim of spray nozzle plate 1 exceeds the outer rim of dish type loam cake 2 and disc-shaped base 3.Many screws 7 pass via hole 1d corresponding on the through hole 2d, spray nozzle plate 1 of dish type loam cake 2 and the tapped through hole 3d on the disc-shaped base 3 from top to bottom successively, and the three is fixed together, and the boss 3a of disc-shaped base 3 passes from the charging hole 2a of dish type loam cake 2 central authorities.The inclined-plane of the lateral wall of the upper disk surface of the inwall of described spray nozzle plate 1, disc-shaped base 3, arc surface of revolution 3b, boss 3a, charging hole 2a lower cone section and charging hole 2a lower cone section become the storage area of atomized liquid with the transition face one common peripheral of upper straight section, wherein the inclined-plane of arc surface of revolution 3b and charging hole 2a lower cone section works to guarantee that atomized liquid is mobile unobstructed.
From Fig. 1, Fig. 6 and Fig. 7 further as can be known, upwards be evenly distributed with a plurality of cylindrical hole 1a by circumference in the footpath of spray nozzle plate 1, this cylindrical hole 1a connects to outer wall from the inwall of spray nozzle plate 1, and is processed with internal thread on the inwall of cylindrical hole 1a outer end.Nozzle 4 and plug 5 are installed respectively among each cylindrical hole 1a on the spray nozzle plate 1 from inside to outside, and wherein the centre bore of nozzle 4 is divided into two sections, and one section of close spray nozzle plate 1 center of circle is interior big outer little taper shrinkage hole, and other one section is cylindrical hole.Plug 5 is cylindrical, outer wall is processed with external screw thread, threaded engagement between plug 5 and the spray nozzle plate 1, the endoporus of plug 5 is a regular hexagon, and docks with the centre bore of nozzle 4,5 pairs of nozzle 4 axial limitings of plug, be used for the relative position of limits nozzle 4 in spray nozzle plate 1, when preventing that atomizing disk from rotating at a high speed, nozzle 4 loosening, disengaging spray nozzle plates 1 also are convenient to the installation and removal of nozzle 4.
As shown in Figure 1, mist floral disc of the present utility model is sleeved on by the installing hole on the disc-shaped base 3 on the awl section of rotating shaft 8 correspondences, and is fixing by the retaining mechanism 9 that is sleeved on disc-shaped base 3 bottom boss 3c and the rotating shaft 8.When drive motors drives 8 rotations of atomizing disk rotating shaft, the mist floral disc rotates with atomizing rotating shaft 8, the atomizing disk of rotation produces powerful centrifugal force at a high speed, make liquid in its inner atomized liquid storage area by each atomizer 4 on the atomizing disk, and outwards spray, thereby be atomized to having the drop of micron order yardstick from the endoporus of corresponding plug 5.Atomizing disk integral body is the flat of diameter much larger than height, has increased atomization distance; The atomizing disk diameter is big, helps increasing nozzle quantity, guarantees that atomized liquid atomizing back is in circumferential uniformity; Simultaneously, reduced requirement, improved the condition of work of atomizing disk driving shaft bearing, reduced installation, lubricating requirement bearing to the atomizing disk rotating speed.The rotating speed of atomizing disk described in the utility model can be lower than 10000r/min, has reduced the vibration of atomizing disk and electric machine main shaft thus, prolongs the service life of motor.Atomizing disk no longer needs the speedup system, greatly reduces the use cost of atomizer.
Only as further specifying of the present utility model, protection domain of the present utility model is not subjected to the restriction of embodiment to above embodiment.In the present embodiment, the parameter indexs such as diameter of the quantity of atomizer, the diameter of atomizer and atomizing disk can change according to needs of production, do not limit at this.
Claims (6)
1, a kind of atomizing disk of high speed centrifugal type atomizer, it is characterized in that: the spray nozzle plate of a circular ring structure (1) is positioned between the upper disk surface of the following card of dish type loam cake (2) and disc-shaped base (3), the three is fixing by screw (7), central authorities at disc-shaped base (3) upper disk surface are provided with boss (3a), this boss (3a) passes from the charging hole (2a) of dish type loam cake (2) central authorities, and the center of boss (3a) offers the installing hole that passes for rotating shaft; Form the atomized liquid storage area of an annular between described dish type loam cake (2), disc-shaped base (3) and spray nozzle plate (1) inwall, footpath at spray nozzle plate (1) upwards is evenly distributed with cylindrical hole by circumference, nozzle (4) and plug (5) are installed respectively in each cylindrical hole from inside to outside, the endoporus of described plug (5) docks with the centre bore of nozzle (4), and plug (5) is to nozzle (4) axial limiting.
2, the atomizing disk of high speed centrifugal type atomizer according to claim 1 is characterized in that: pass through arc surface of revolution (3b) transition between the lateral wall of the upper disk surface of described disc-shaped base (3) and central boss (3a); The charging hole (2a) of described dish type loam cake (2) central authorities is made up of upper straight section and lower cone section, and wherein the smallest end of lower cone section is last, and the diameter of lower cone section smallest end is greater than the diameter of described upper straight section.
3, the atomizing disk of high speed centrifugal type atomizer according to claim 1 and 2, it is characterized in that: be provided with circular limited step near the relative position at edge at the upper disk surface of the following card of described dish type loam cake (2) and disc-shaped base (3), the internal diameter of the diameter of this limited step and spray nozzle plate (1) adapts, on the card in the limited step outside, have groove, be embedded sealing ring (6) in the described groove.
4, the atomizing disk of high speed centrifugal type atomizer according to claim 1 and 2 is characterized in that: described disc-shaped base (3) convex platform (3a) center is up big and down small bellmouth for the installing hole that rotating shaft passes.
5, the atomizing disk of high speed centrifugal type atomizer according to claim 1 is characterized in that: the centre bore of described nozzle (4) is divided into two sections, and one section of close described spray nozzle plate (1) center of circle is interior big outer little taper shrinkage hole, and other one section is cylindrical hole.
6, the atomizing disk of high speed centrifugal type atomizer according to claim 1 is characterized in that: described plug (5) is for cylindrical, is threaded between plug (5) and the spray nozzle plate (1), and the endoporus of plug (5) is a regular hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201885281U CN201140135Y (en) | 2007-12-17 | 2007-12-17 | Atomizing dish of high-speed centrifugation atomizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201885281U CN201140135Y (en) | 2007-12-17 | 2007-12-17 | Atomizing dish of high-speed centrifugation atomizer |
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| Publication Number | Publication Date |
|---|---|
| CN201140135Y true CN201140135Y (en) | 2008-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201885281U Expired - Lifetime CN201140135Y (en) | 2007-12-17 | 2007-12-17 | Atomizing dish of high-speed centrifugation atomizer |
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| CN (1) | CN201140135Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101254490B (en) * | 2007-12-14 | 2010-08-25 | 重庆科技学院 | Atomizing disk of high speed centrifugal type atomizer |
| CN101733212B (en) * | 2010-01-22 | 2011-12-14 | 杨长生 | High-speed enhanced type atomizing wheel |
| CN102527565A (en) * | 2011-12-27 | 2012-07-04 | 重庆科技学院 | Atomizing plate of high speed centrifugal type atomizer |
| CN102553741A (en) * | 2011-12-27 | 2012-07-11 | 重庆科技学院 | Double-stage atomized high-speed centrifugal atomizing disc |
| CN104548629A (en) * | 2013-10-24 | 2015-04-29 | 中国石油化工股份有限公司 | Atomizing plate for centrifugal rotating plate type spraying drying device |
| CN107552260A (en) * | 2017-10-12 | 2018-01-09 | 中冶焦耐(大连)工程技术有限公司 | A kind of atomizing wheel of high-power magnetic-suspension high-speed electric expreess locomotive associated mode atomizer |
| CN108176528A (en) * | 2018-03-09 | 2018-06-19 | 西格斯先进技术有限公司 | A kind of atomizing disk |
| CN109821674A (en) * | 2019-03-21 | 2019-05-31 | 中信戴卡股份有限公司 | A kind of die lubricant rotation spray spray coating disk device |
| CN111318115A (en) * | 2018-12-14 | 2020-06-23 | 广东美的白色家电技术创新中心有限公司 | Air purifier |
-
2007
- 2007-12-17 CN CNU2007201885281U patent/CN201140135Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101254490B (en) * | 2007-12-14 | 2010-08-25 | 重庆科技学院 | Atomizing disk of high speed centrifugal type atomizer |
| CN101733212B (en) * | 2010-01-22 | 2011-12-14 | 杨长生 | High-speed enhanced type atomizing wheel |
| CN102527565A (en) * | 2011-12-27 | 2012-07-04 | 重庆科技学院 | Atomizing plate of high speed centrifugal type atomizer |
| CN102553741A (en) * | 2011-12-27 | 2012-07-11 | 重庆科技学院 | Double-stage atomized high-speed centrifugal atomizing disc |
| CN102553741B (en) * | 2011-12-27 | 2014-06-04 | 重庆科技学院 | Double-stage atomized high-speed centrifugal atomizing disc |
| CN104548629A (en) * | 2013-10-24 | 2015-04-29 | 中国石油化工股份有限公司 | Atomizing plate for centrifugal rotating plate type spraying drying device |
| CN104548629B (en) * | 2013-10-24 | 2016-06-29 | 中国石油化工股份有限公司 | A kind of atomizing disk for centrifugal turntable formula spray-drying installation |
| CN107552260A (en) * | 2017-10-12 | 2018-01-09 | 中冶焦耐(大连)工程技术有限公司 | A kind of atomizing wheel of high-power magnetic-suspension high-speed electric expreess locomotive associated mode atomizer |
| CN108176528A (en) * | 2018-03-09 | 2018-06-19 | 西格斯先进技术有限公司 | A kind of atomizing disk |
| CN111318115A (en) * | 2018-12-14 | 2020-06-23 | 广东美的白色家电技术创新中心有限公司 | Air purifier |
| US11794143B2 (en) | 2018-12-14 | 2023-10-24 | Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd. | Air purifier |
| CN109821674A (en) * | 2019-03-21 | 2019-05-31 | 中信戴卡股份有限公司 | A kind of die lubricant rotation spray spray coating disk device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20081029 Effective date of abandoning: 20071217 |