CN112439331A - Spray arm and cleaning machine with same - Google Patents
Spray arm and cleaning machine with same Download PDFInfo
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- CN112439331A CN112439331A CN201910813124.4A CN201910813124A CN112439331A CN 112439331 A CN112439331 A CN 112439331A CN 201910813124 A CN201910813124 A CN 201910813124A CN 112439331 A CN112439331 A CN 112439331A
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- water
- flow channel
- spray arm
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- storage area
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/21—Mixing gases with liquids by introducing liquids into gaseous media
- B01F23/211—Methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/102—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration with means for agitating the liquid
Abstract
The invention relates to a spray arm, which comprises a hollow body, wherein a first baffle plate capable of dividing the bottom space of the body into a first flow channel and a second flow channel which are relatively independent is arranged in the body; the first flow channel is provided with a second baffle plate which can divide the first flow channel into a water inlet area and a water storage area, the second baffle plate is provided with a first one-way valve which only allows water to enter the water storage area from the water inlet area, and the first baffle plate is provided with a tapered hole which supplies water to enter the second flow channel from the water storage area and gradually increases the inner diameter along the water flow direction. The process of generating the micro-nano bubble water does not need to provide power and carry out electric control operation, so that the equipment structure is simplified, the cost is reduced, and the use reliability is improved; the cavitation effect of the micro-nano bubbles in water and the negative charges on the surface have the chemical effect of improving the interfacial activity, and the cleaning effect is favorably improved.
Description
Technical Field
The invention relates to a spray arm structure of household washing appliances, and also relates to a cleaning machine which is applied with the water inlet structure and can be used for cleaning tableware, vegetables or fruits.
Background
With the gradual maturity of micro-nano bubble cleaning technology, the application in the field of household appliances becomes wider.
In the field of industrial application, the nano-sized bubbles refer to fine bubbles of 1000nm or less in a liquid, bubbles of 1 to 100 μm are referred to as fine bubbles, and bubbles of 100 μm or more are referred to as normal bubbles. Compared with common bubbles, the micro-nano bubbles have the characteristics of long existence time, high surface energy, negative surface charge, high gas-liquid mass transfer rate and spontaneous generation of free radicals in water, so that the micro-nano bubbles have the functions of oxygenation, sterilization, disinfection, washing, decontamination, water purification, organic matter degradation and the like. Due to the functions of the micro-nano bubbles, the micro-nano bubbles have a wide market prospect in the fields of washing and health, such as washing, decontamination and descaling, skin cleaning, drinking water oxygenation, vegetable and fruit cleaning, tooth descaling and the like.
At present, there are four main methods for generating micro-nano bubbles: ultrasonic cavitation, hydrodynamic cavitation, optical cavitation and particle cavitation, wherein hydrodynamic cavitation equipment is simple in requirement and is a common method for generating micro-nano bubbles. For example, similar structures are disclosed in the Chinese patent application with application publication No. CN104803467A, namely, a micro-nano ozone bubble device (application No. CN201510199198.5), the Chinese patent application with application publication No. CN108842384A, namely, a micro-nano aeration-based washing machine filtering device (application No. CN201810907234.2), and the like. Above-mentioned current micro-nano bubble generating device adopts the air pump to provide the power supply most and sneaks into the air, and the air carries out intensive mixing with water and dissolves the back, and release pressure is in order to obtain the higher micro-nano bubble of concentration again, and the realization structure of this mode is relatively more complicated, with high costs, and need rely on the circuit to control, and the reliability is relatively poor.
Disclosure of Invention
The first technical problem to be solved by the invention is to provide a spray arm which can generate micro-nano bubbles in a passive manner so as to simplify the structure of equipment, reduce the cost and improve the reliability, aiming at the current situation of the prior art.
The second technical problem to be solved by the present invention is to provide a spray arm capable of improving the cleaning effect in view of the current situation of the prior art.
The third technical problem to be solved by the present invention is to provide a cleaning machine with the above water inlet structure, which can effectively improve the cleaning effect.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a spray arm, includes inside hollow body, its characterized in that: the body is internally provided with a first baffle plate which can divide the bottom space of the body into a first flow passage and a second flow passage which are relatively independent, the first flow passage is positioned in the middle of the body, at least part of the second flow passage is arranged around the periphery of the first flow passage, and the side wall of the body is provided with a water inlet communicated with the first flow passage and a water outlet communicated with the second flow passage; the water storage device comprises a first flow channel, a second flow channel and a water storage area, wherein the first flow channel is internally provided with a second baffle capable of dividing the first flow channel into a water inlet area and a water storage area which are relatively independent, the second baffle is provided with a first one-way valve only allowing water to enter the water storage area from the water inlet area, the first baffle is provided with a hole for supplying water to enter the second flow channel from the water storage area, and the hole is formed into a conical hole with the inner diameter gradually increasing along the water flow direction.
In the scheme, the caliber of the water inlet end of the conical hole is 1-1.5 mm. Set up the up end of bell mouth into 1 ~ 1.5mm, be in order to deposit the water regional back in the rivers preliminary entering, can plug up the entrance point of bell mouth to make deposit water and form the high pressure along with rivers entering in the region, avoid getting into the rivers that deposit in the water region and flow away in rivers transportation process.
Preferably, the length of the taper hole in the axial direction is 15-40 mm, and the diameter of a water outlet port of the taper hole is 3-8 mm. By adopting the structure, the formation effect of micro-nano bubbles is improved.
Preferably, the first flow channel is arranged at the lower part of the body, and the second flow channel has a first part arranged around the periphery of the first flow channel and a second part arranged at the upper part of the body and corresponding to the first flow channel, and the second part is respectively communicated with the first part and the water outlet. Preferably, the first portion extends vertically and matches in height the height of the first flow passage and the second portion. By adopting the structure, the distribution of the flow passages is beneficial to expanding the water outlet coverage area and improving the cleaning effect; and the liquid outlet end of the conical hole corresponds to the arc-shaped end part of the second part, so that greater back pressure is favorably formed, and the concentration of the micro-nano bubble water is improved.
Preferably, the first baffle plate has a lower portion separating the first flow passage from the second flow passage and an upper portion separating the second portion from the first portion, and a through hole for allowing water to enter from the first portion into the second portion is opened in a sidewall of the upper portion of the first baffle plate. By adopting the structure, the micro-nano water can be uniformly output.
As an improvement, a third baffle plate capable of dividing the second part into a water outlet area and an air inlet area which are relatively independent is arranged in the second part, an air inlet communicated with outside air is formed in the side wall of the body, and a second one-way valve only allowing air to enter the water outlet area from the air inlet area is arranged on the third baffle plate. The flow channel structure of the second part corresponds to the structural arrangement of the first flow channel, namely, a throat part is formed at the joint of the central part of the second part and the flow channels at two sides, the third baffle plate is arranged at the throat part, when water flow is output from a water outlet area at a high flow speed, negative pressure is easily generated in the water outlet area, and the negative pressure of the throat part is high, so that air is sucked into the water outlet area from the outside, bubbles are mixed in the micro-nano bubbles, the bubbles are different from the micro-nano bubbles, common bubbles simply mixed in water are formed, and the bubbles can be broken when contacting with dishes, fruits and vegetables, and the like, so that dirt on the surface of an object to be cleaned is peeled off, and the bubbles are combined with a chemical cleaning effect that the surface of the micro-nano bubbles has negative charges and can improve the interface activity, and a better cleaning effect is generated.
Preferably, the water outlets are arranged on the side wall of the body corresponding to the water outlet area at intervals, and the inner diameter of each water outlet is gradually increased along the water flow direction. The structure is beneficial to enlarging the water outlet coverage area and improving the cleaning effect.
Preferably, a first impeller capable of stirring water flow is arranged in the water storage area, and the first impeller is rotatably arranged on the inner bottom wall of the water storage area and is arranged corresponding to the outlet end of the first one-way valve. The structure is beneficial to improving the mixing degree of water and air, and further improving the dissolving capacity of the air in the water, thereby improving the concentration of the micro-nano bubble water.
The utility model provides an use cleaning machine that has above-mentioned spray arm, includes the box that has the washing chamber, its characterized in that: the spraying device is characterized by further comprising a water pumping assembly and a spraying arm, wherein the spraying arm can be rotatably arranged in the box body, and the water pumping assembly is arranged on the box body and used for pumping water in the box body into a water inlet of the spraying arm.
Preferably, the water pumping assembly comprises a motor and a second impeller, the motor is arranged at the bottom of the box body, an output shaft extends into the box body, the impeller is connected to the output shaft of the motor, the lower portion of the second impeller is located below the spray arm, and the upper portion of the second impeller extends into the water inlet. The structure is favorable for drawing water to the spray arm and dispersing the water along the flow passage, and the flow velocity of the water is improved.
Preferably, a water collecting area communicated with the water inlet is formed in the middle of the first flow channel, the first flow channel extends towards two sides from the water collecting area, a throat part is formed at the joint of the first flow channel and the water collecting area, and the second baffle and the water storing area are located at the downstream of the throat part along the water flow conveying direction.
Preferably, the water storage area is arranged close to the end of the first flow channel, and the tapered hole is opened on the first baffle corresponding to the outer end of the water storage area.
Compared with the prior art, the invention has the advantages that: the invention provides a passive micro-nano bubble generating device, when in use, water flow enters a spray arm through a water inlet and overcomes the force of a first one-way valve to enter a water storage area, because the caliber of the inlet end of the tapered hole is extremely small, the tapered hole can be blocked by water entering the water storage area, in the process that water flow is continuously input into the water storage area, air in the water storage area is continuously dissipated, so that the pressure in the water storage area is rapidly increased, the air is rapidly dissolved in water, when the pressure in the water storage area reaches a critical value which can be borne by the inlet end of the tapered hole, the water flow with a large amount of dissolved air is rapidly released outwards from the tapered hole, negative pressure is generated in the process of passing through the tapered hole, and thus micro-nano bubble water is formed, after the water storage area forms high pressure, the water storage area keeps the pressure in the whole working process of the spray arm, so that micro-nano bubble water can be continuously provided; the process of generating the micro-nano bubble water does not need to provide power and carry out electric control operation, so that the equipment structure is simplified, the cost is reduced, and the use reliability is improved; the cavitation effect of the micro-nano bubbles in water and the negative charges on the surface have the chemical effect of improving the interfacial activity, and the cleaning effect is favorably improved.
Drawings
FIG. 1 is a schematic structural view of a spray arm according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from another angle;
FIG. 3 is a first cross-sectional view of a spray arm in an embodiment of the present invention;
FIG. 4 is a second cross-sectional view of a spray arm in an embodiment of the present invention;
FIG. 5 is a third cross-sectional view of a spray arm in an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a cleaning machine according to an embodiment of the present invention;
fig. 7 is a schematic view of an assembly structure of the water pumping assembly and the spray arm in the embodiment of the invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 5, the spray arm of the embodiment includes a hollow body 1, a first baffle 13 capable of dividing a bottom space of the body 1 into a first flow channel 11 and a second flow channel 12 which are relatively independent is disposed in the body 1, the first flow channel 11 is located in the middle of the body 1, a lower portion of the second flow channel 12 is disposed around an outer periphery of the first flow channel 11, and a water inlet 14 communicated with the first flow channel 11 and a water outlet 15 communicated with the second flow channel 12 are opened on a side wall of the body 1.
In this embodiment, the first flow path 11 is provided with a second baffle 113 capable of dividing the first flow path into a water inlet region 111 and a water storage region 112 which are relatively independent, the second baffle 113 is provided with a first check valve 114 for allowing only water to enter the water storage region 112 from the water inlet region 111, and the first baffle 13 is provided with a hole for allowing water to enter the second flow path 12 from the water storage region 112, and the hole is formed as a tapered hole 131 having an inner diameter gradually increasing in a water flow direction. Be provided with the first impeller 115 that can stir rivers in the water storage area 112, this first impeller 115 can locate on the interior diapire of water storage area 112 and correspond the exit end of first check valve 114 with rotating and arrange, and this structure is favorable to improving the mixed degree of water and air, and then improves the dissolved quantity of aquatic air to improve the concentration of micro-nano bubble water.
In this embodiment, the diameter of the water inlet end of the tapered hole 131 is 1-1.5 mm. Set up the up end of bell mouth 131 to 1 ~ 1.5mm, be in order to reserve water in the regional 112 back at rivers preliminary entering, can block up the entrance point of bell mouth 131 to form the high pressure along with rivers entering in making to reserve water in the region 112, avoid getting into the rivers that deposit water in the region 112 and flow away in rivers transportation. The length of the taper hole 131 in the axial direction is 15-40 mm, and the diameter of a water outlet of the taper hole 131 is 3-8 mm, so that the forming effect of micro-nano bubbles is improved.
In the present embodiment, the first flow channel 11 is disposed at the lower portion of the body 1, and the second flow channel 12 has a first portion 121 disposed around the periphery of the first flow channel 11 and a second portion 122 disposed at the upper portion of the body 1 and corresponding to the first flow channel 11, and the second portion 122 is respectively communicated with the first portion 121 and the water outlet 15. The first portion 121 extends vertically and is equal in height to the first flow channel 11 and the second portion 122. The distribution of the flow channels is beneficial to enlarging the water outlet coverage area and improving the cleaning effect; moreover, the liquid outlet end of the tapered hole 131 corresponds to the arc-shaped end of the second portion 122, which is beneficial to forming a larger back pressure and improving the concentration of the micro-nano bubble water. The first baffle 13 has a lower portion 132 separating the first flow channel 11 from the second flow channel 12 and an upper portion 133 separating the second portion 122 from the first portion 121, and a through hole 134 for water to enter the second portion 122 from the first portion 121 is formed in a side wall of the upper portion of the first baffle 13.
In this embodiment, the second portion 122 is provided with a third baffle 1223 capable of dividing the second portion into a water outlet area 1221 and an air inlet area 1222 which are relatively independent, the sidewall of the body 1 is provided with an air inlet 16 communicated with the outside air, and the third baffle 1223 is provided with a second one-way valve 1224 for allowing air to enter the water outlet area 1221 from the air inlet area 1222. The flow channel structure of the second portion 122 corresponds to the structural arrangement of the first flow channel 121, that is, a throat 123 is formed at the joint of the central portion of the second portion 122 and the flow channels at both sides, and the third baffle 1223 is disposed at the throat 123, so that when water flows are output from the water outlet area 1221 at a relatively high flow rate, negative pressure is easily generated in the water outlet area 1211, and the negative pressure of the throat 123 is relatively high, thereby sucking air into the water outlet area 1211 from the outside, mixing air bubbles into the micro-nano bubble water, wherein the air bubbles are different from the micro-nano bubbles, forming common air bubbles simply mixed in water, and the air bubbles can be broken when contacting with dishes, fruits and vegetables, thereby peeling off dirt on the surface of an object to be cleaned, and combining with a chemical cleaning effect that the surface of the micro-nano bubbles has negative charges to improve the interface activity, thereby generating a better cleaning effect.
The water outlets 15 of this embodiment are multiple and arranged at intervals on the side wall of the body 1 corresponding to the water outlet area 1221, and the inner diameter of the water outlets 15 is gradually increased along the water flow direction, so that the structure is beneficial to enlarging the water outlet coverage area and improving the cleaning effect.
As shown in fig. 6 and 7, the cleaning machine of the present embodiment includes a housing 2 having a washing chamber, a water pumping assembly 3 and the spray arm, the spray arm being rotatably provided in the housing 2, the water pumping assembly 3 being provided on the housing 2 and being configured to pump water in the housing 2 into a water inlet 14 of the spray arm. Pump water subassembly 3 includes motor 31 and second impeller 32, and in box 2 bottom and output shaft 311 stretched into box 2 were located to motor 31, second impeller 32 connected on motor 31's output shaft 311, second impeller 32 lower part was located the below of spray arm, and second impeller 32 upper portion stretched into in water inlet 14, this structure is favorable to drawing and along the flow path dispersion with rivers in to spray arm, improves the rivers velocity of flow.
In this embodiment, the central portion of the first flow channel 11 forms a water collecting region 110 communicated with the water inlet 14, the first flow channel 11 extends from the water collecting region 110 to two sides and forms a throat portion 116 at the joint with the water collecting region 110, and the second baffle 113 and the water storing region 112 are both located at the downstream of the throat portion 116 along the water flow conveying direction. The water storage area 112 is disposed near the end of the first flow path 11, and a tapered hole 131 is opened in the first shutter 13 corresponding to the outer end of the water storage area 112.
When the washing machine of the embodiment is used, water flows into the water collecting area 110 through the water inlet 14 under the action of the water pumping assembly 3,
the water enters the water storage area 112 by overcoming the force of the first one-way valve 114, and because the caliber of the inlet end of the tapered hole 131 is extremely small, the tapered hole 131 can be blocked by the water entering the water storage area 112, and in the process that water flow is continuously input into the water storage area 112, air in the water storage area 112 is not lost everywhere, so that the pressure in the water storage area 112 is rapidly increased, the air is rapidly dissolved in the water, when the pressure in the water storage area 112 reaches a critical value capable of being borne by the inlet end of the tapered hole 131, the water flow with a large amount of dissolved air is rapidly released outwards from the tapered hole 131, and negative pressure is generated in the process of passing through the tapered hole 131, so that micro-nano bubble water is formed, and after the water storage area 112 forms high pressure, the water storage area 112 keeps the pressure in the whole working process of the spray arm, so that micro-; in the process of generating the micro-nano bubble water, power supply and electric control operation are not needed, and the water flow is pressed into the water storage area 112 only by the power of the water pumping assembly 3 of the cleaning machine, so that the equipment structure is simplified, the cost is reduced, and the use reliability is improved; the cavitation effect of the micro-nano bubbles in water and the negative charges on the surface have the chemical effect of improving the interfacial activity, and the cleaning effect is favorably improved.
Claims (13)
1. A spray arm comprising a body (1) hollow inside, characterized in that: the device comprises a body (1), and is characterized in that a first baffle (13) capable of dividing the bottom space of the body (1) into a first flow channel (11) and a second flow channel (12) which are relatively independent is arranged in the body (1), the first flow channel (11) is positioned in the middle of the body (1), at least part of the second flow channel (12) is arranged around the periphery of the first flow channel (11), and a water inlet (14) communicated with the first flow channel (11) and a water outlet (15) communicated with the second flow channel (12) are formed in the side wall of the body (1); the first flow channel (11) is internally provided with a second baffle (113) which can divide the first flow channel into a water inlet area (111) and a water storage area (112) which are relatively independent, the second baffle (113) is provided with a first one-way valve (114) which only allows water to enter the water storage area from the water inlet area, the first baffle (13) is provided with a hole for water to enter the second flow channel (12) from the water storage area (112), and the hole is formed into a conical hole (131) with the inner diameter gradually increasing along the water flow direction.
2. The spray arm of claim 1, wherein: the caliber of the water inlet end of the conical hole (131) is 1-1.5 mm.
3. The spray arm of claim 2, wherein: the length of the taper hole (131) in the axial direction is 15-40 mm, and the diameter of a water outlet of the taper hole (131) is 3-8 mm.
4. The spray arm of claim 1, 2 or 3, wherein: the first flow channel (11) is arranged at the lower part of the body (1), the second flow channel (12) is provided with a first part (121) arranged around the periphery of the first flow channel (11) and a second part (122) arranged at the upper part of the body (1) and corresponding to the first flow channel (11), and the second part (122) is respectively communicated with the first part (121) and the water outlet (15).
5. The spray arm of claim 4, wherein: the first portion (121) extends vertically and matches in height the height of the first flow channel (11) and the second portion (122).
6. The spray arm of claim 5, wherein: the first baffle plate (13) is provided with a lower part (132) for separating the first flow channel (11) from the second flow channel (12) and an upper part (133) for separating the second part (122) from the first part (121), and through holes (134) for supplying water from the first part (121) to the second part (122) are formed in the side wall of the upper part (133) of the first baffle plate (13).
7. The spray arm of claim 4, wherein: the second part (122) is provided with a third baffle (1223) which can divide the second part into a water outlet area (1221) and an air inlet area (1222) which are relatively independent, the side wall of the body (1) is provided with an air inlet (16) communicated with the outside air, and the third baffle (1223) is provided with a second one-way valve (1224) which only allows air to enter the water outlet area (1221) from the air inlet area (1222).
8. The spray arm of claim 7, wherein: the water outlets (15) are arranged on the side wall of the body (1) corresponding to the water outlet area (1221) at intervals, and the inner diameter of each water outlet (15) is gradually increased along the water flow direction.
9. The spray arm of claim 1, 2 or 3, wherein: a first impeller (115) capable of stirring water flow is arranged in the water storage area (112), and the first impeller (115) is rotatably arranged on the inner bottom wall of the water storage area (112) and is arranged corresponding to the outlet end of the first one-way valve (114).
10. A cleaning machine using a spray arm according to any one of claims 1 to 9, comprising a housing (2) having a washing chamber, characterized in that: the spraying device is characterized by further comprising a water pumping assembly (3) and a spraying arm, wherein the spraying arm can be rotatably arranged in the box body (2), and the water pumping assembly (3) is arranged on the box body (2) and is used for pumping water in the box body (2) into a water inlet (14) of the spraying arm.
11. The cleaning machine of claim 10, wherein: the water pumping assembly (3) comprises a motor (31) and a second impeller (32), the motor (31) is arranged at the bottom of the box body (2), an output shaft (311) extends into the box body (2), the second impeller (32) is connected to the output shaft (311) of the motor (31), the lower part of the second impeller (32) is located below the spray arm, and the upper part of the second impeller (32) extends into the water inlet (14).
12. The cleaning machine of claim 11, wherein: the middle part of the first flow channel (11) forms a water collecting area (110) communicated with the water inlet (14), the first flow channel (11) extends towards two sides from the water collecting area (110) and forms a throat part (116) at the joint of the first flow channel and the water collecting area (110), and the second baffle (113) and the water storing area (112) are both positioned at the downstream of the throat part (116) along the water flow conveying direction.
13. The cleaning machine of claim 12, wherein: the water storage area (112) is arranged close to the end part of the first flow channel (11), and the conical hole (131) is arranged on the first baffle (13) corresponding to the outer end of the water storage area (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910813124.4A CN112439331B (en) | 2019-08-30 | 2019-08-30 | Spray arm and cleaning machine with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910813124.4A CN112439331B (en) | 2019-08-30 | 2019-08-30 | Spray arm and cleaning machine with same |
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| CN112439331A true CN112439331A (en) | 2021-03-05 |
| CN112439331B CN112439331B (en) | 2022-07-22 |
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| US20130152969A1 (en) * | 2011-12-20 | 2013-06-20 | Samsung Electronics Co., Ltd. | Dishwasher and method for controlling the same |
| JP2014083477A (en) * | 2012-10-22 | 2014-05-12 | Sharp Corp | Gas-liquid mixing device |
| US20150273408A1 (en) * | 2013-06-13 | 2015-10-01 | Sigma-Technology Inc. | Method, a bubble generating nozzle, and an apparatus for generating micro-nano bubbles |
| JP2015150548A (en) * | 2014-02-19 | 2015-08-24 | 独立行政法人国立高等専門学校機構 | Microbubble generator |
| KR20160116878A (en) * | 2015-03-31 | 2016-10-10 | 김용주 | Apparatus of generating micro bubble |
| JP2016196169A (en) * | 2015-04-06 | 2016-11-24 | セイコーエプソン株式会社 | Head and liquid jet device |
| CN205461848U (en) * | 2016-03-03 | 2016-08-17 | 大连深蓝肽科技研发有限公司 | Bubble generating device |
| CN206853479U (en) * | 2017-06-26 | 2018-01-09 | 中国计量大学 | A kind of novel throttling hole of molten gas outgassing micro bubble generation device |
| CN109394114A (en) * | 2017-08-18 | 2019-03-01 | 宁波方太厨具有限公司 | A kind of cleaning machine |
| CN109092092A (en) * | 2018-09-30 | 2018-12-28 | 深圳市享宝科技有限公司 | Micro-nano bubble generator |
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