JP2020151390A - shower head - Google Patents

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Publication number
JP2020151390A
JP2020151390A JP2019055652A JP2019055652A JP2020151390A JP 2020151390 A JP2020151390 A JP 2020151390A JP 2019055652 A JP2019055652 A JP 2019055652A JP 2019055652 A JP2019055652 A JP 2019055652A JP 2020151390 A JP2020151390 A JP 2020151390A
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Prior art keywords
hot water
shower head
gas
dissolution
stirring
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Japanese (ja)
Inventor
竜一 谷村
Ryuichi Tanimura
竜一 谷村
亮平 倉内
Ryohei Kurauchi
亮平 倉内
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日東精工株式会社
Nitto Seiko Co Ltd
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Priority to JP2019055652A priority Critical patent/JP2020151390A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/0018Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03CDOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02Plumbing installations for fresh water
    • E03C1/08Jet regulators or jet guides, e.g. anti-splash devices
    • E03C1/084Jet regulators with aerating means
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03CDOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02Plumbing installations for fresh water
    • E03C1/04Water-basin installations specially adapted to wash-basins or baths
    • E03C1/0408Water installations especially for showers
    • E03C1/0409Shower handles
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47KSANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K3/00Baths; Douches; Appurtenances therefor
    • A47K3/20Baths; Douches; Appurtenances therefor combined with douches

Abstract

To provide a shower head capable of increasing a dissolution concentration of air, and generating and jetting hot water containing a large amount of microbubbles.SOLUTION: A shower head 1 incorporates into a shower head body 2, a gas-liquid dissolution unit 10 constituted to increase a dissolution concentration of air by stirring hot water, and a microbubble generation unit 20 constituted to generate microbubbles by forming hot water stirred by the gas-liquid dissolution unit in a spiral flow. The shower head incorporates the gas-liquid dissolution unit, accordingly a dissolution concentration of air to hot water can be increased without installing a dissolution tank separately, and microbubbles are generated by the hot water to jet the hot water including a large amount of microbubbles.SELECTED DRAWING: Figure 2

Description

本発明は、微細気泡を含んだ湯水を噴射するシャワーヘッドに関する。 The present invention relates to a shower head that injects hot water containing fine bubbles.
従来から、微細気泡を含んだ湯水を噴射する微細気泡発生機能付きシャワーヘッドが開示されている( 例えば、特許文献1参照)。特許文献1のシャワーヘッドは、微細気泡生成機構を内蔵することで、噴射孔から微細気泡を含む湯水を皮膚に直接噴射することができ、皮膚の汚れを効果的に除去するものである。 Conventionally, a shower head with a fine bubble generation function for injecting hot water containing fine bubbles has been disclosed (see, for example, Patent Document 1). The shower head of Patent Document 1 has a built-in fine bubble generation mechanism, so that hot water containing fine bubbles can be directly sprayed onto the skin from the injection holes, and dirt on the skin is effectively removed.
特開2016−220909号公報Japanese Unexamined Patent Publication No. 2016-220909
しかしながら、上記シャワーヘッドでは、空気の溶解濃度が低いため、微細気泡を多く生成することができず、所望の効果を得られない問題を有していた。 However, the shower head has a problem that a large amount of fine bubbles cannot be generated because the dissolved concentration of air is low, and a desired effect cannot be obtained.
本発明は、上記問題に鑑みて創生されたものであり、空気の溶解濃度を高め、多くの微細気泡を含む湯水を生成し噴射可能なシャワーヘッドを提供することを目的とする。 The present invention has been created in view of the above problems, and an object of the present invention is to provide a shower head capable of increasing the dissolution concentration of air, generating hot water containing many fine bubbles, and injecting hot water.
上記課題は、湯水を撹拌して空気の溶解濃度を高めるように構成された気液溶解部と、気液溶解部によって撹拌された湯水を旋回流にして微細気泡を生成するように構成された微細気泡生成部とをシャワーヘッド本体に内蔵したシャワーヘッドによって解決できる。 The above task was configured to generate fine bubbles by swirling a gas-liquid dissolving unit configured to stir hot water to increase the dissolution concentration of air and hot water agitated by the gas-liquid dissolving unit as a swirling flow. The fine bubble generating part can be solved by the shower head built in the shower head body.
なお、シャワーヘッド本体は、一端に混合栓から供給される湯水の導入孔を備える把持部と、この把持部に連結され、湯水を噴射する散水板を備える先端部とから成り、気液溶解部は、把持部の内部に形成された溶解室と、溶解室の中心部に配置され長手方向に延びる撹拌部材とから成り、気液溶解部の撹拌部材は、先端部に底部および内部に導入流路が形成された有底筒状を成し、先端部を導入孔に対して所定の間隔をおいて対向させるように配置することにより、導入孔から供給された湯水を撹拌部材の外周面と溶解室の内周面とによって形成される空間へ流入させてこの空間で撹拌するように構成されるとともに、外周面には溶解室と導入流路とを連通させる貫通孔が穿設され、導入流路は微細気泡生成部と連通させてあることが好ましい。 The shower head body is composed of a grip portion having a hot water water introduction hole supplied from a mixing tap at one end and a tip portion provided with a sprinkler plate connected to the grip portion and ejecting hot water water. Consists of a melting chamber formed inside the grip portion and a stirring member arranged in the center of the melting chamber and extending in the longitudinal direction, and the stirring member of the gas-liquid melting portion has an introduction flow at the bottom and inside at the tip. By forming a bottomed tubular shape in which a path is formed and arranging the tip portion so as to face the introduction hole at a predetermined interval, the hot water supplied from the introduction hole is brought into contact with the outer peripheral surface of the stirring member. It is configured to flow into the space formed by the inner peripheral surface of the melting chamber and agitate in this space, and a through hole is formed on the outer peripheral surface to communicate the melting chamber and the introduction flow path. It is preferable that the flow path communicates with the fine bubble generating portion.
なお、気液溶解の撹拌部材は、先端部の外形が傘状に成形されていることが好ましい。 The gas-liquid dissolution stirring member preferably has an umbrella-shaped outer shape at the tip.
本発明のシャワーヘッドによれば、シャワーヘッド本体に、気液溶解部と微細気泡生成部との双方が内蔵されているので、シャワーヘッドとは別に溶解タンクを設置せずとも、湯水に対する空気の溶解濃度が高められ、このようにしてから微細気泡を生成することにより、多くの微細気泡を含む湯水を噴射可能なシャワーヘッドを提供することができる。 According to the shower head of the present invention, since both the gas-liquid dissolving part and the fine bubble generating part are built in the shower head main body, the air for hot water can be mixed without installing a melting tank separately from the shower head. By increasing the dissolution concentration and then generating fine bubbles in this way, it is possible to provide a shower head capable of injecting hot water containing many fine bubbles.
本発明であるシャワーヘッドの外観図である。It is an external view of the shower head of this invention. 本発明であるシャワーヘッドの縦断面図である。It is a vertical sectional view of the shower head of this invention. 本発明であるシャワーヘッドの一部拡大縦断面図である。It is a partially enlarged vertical sectional view of the shower head of this invention. 本発明であるシャワーヘッドの微細気泡生成部を上流側から見た斜視図である。It is a perspective view which looked at the fine bubble generation part of the shower head of this invention from the upstream side. 本発明であるシャワーヘッドの微細気泡生成部を下流側から見た斜視図である。It is a perspective view which looked at the fine bubble generation part of the shower head of this invention from the downstream side.
以下、図面に基づいて本発明の実施形態を説明する。図1において、1はシャワーヘッドであり、混合栓(図示せず)から供給される湯水を導入する把持部3と、把持部3の先端に設けられ、把持部3に導入された湯水を噴射するヘッド部4とからシャワーヘッド本体2が構成されている。把持部3は、端部に混合栓から延びるホース(図示せず)が接続され、この端部には湯水の導入孔3aが設けてある。ヘッド部4は、前面に、複数の散水孔5bが穿設された散水板5aを備えており、散水孔5bから湯水を噴射するように構成されている。なお、図1乃至図5において、二点鎖線の矢印は、湯水の流れる方向を示すものである。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. In FIG. 1, reference numeral 1 denotes a shower head, which is a grip portion 3 for introducing hot water supplied from a mixing tap (not shown) and a grip portion 3 provided at the tip of the grip portion 3 for injecting hot water water introduced into the grip portion 3. The shower head main body 2 is composed of the head portion 4 and the head portion 4. A hose (not shown) extending from the mixing tap is connected to the end of the grip portion 3, and a hot water introduction hole 3a is provided at this end. The head portion 4 is provided with a sprinkler plate 5a having a plurality of sprinkler holes 5b bored on the front surface thereof, and is configured to inject hot water from the sprinkler holes 5b. In addition, in FIGS. 1 to 5, the arrow of the alternate long and short dash line indicates the direction in which hot water flows.
図2に示すように、シャワーヘッド本体2には、湯水を撹拌して空気の溶解濃度を高めるように構成された気液溶解部10と、気液溶解部10によって撹拌された湯水を旋回流にして微細気泡を生成するように構成された微細気泡生成部20とが内蔵されている。 As shown in FIG. 2, the shower head main body 2 is swirled with a gas-liquid dissolving unit 10 configured to stir hot water to increase the dissolution concentration of air and hot water stirred by the gas-liquid dissolving unit 10. A fine bubble generating unit 20 configured to generate fine bubbles is built in.
気液溶解部10は、把持部3に内蔵されており、把持部3の内部に形成された溶解室11と、溶解室11内の中心部に配置され、長手方向に延びる撹拌部材12とから構成されている。 The gas-liquid dissolution unit 10 is built in the grip portion 3, and is composed of a dissolution chamber 11 formed inside the grip portion 3 and a stirring member 12 arranged in the central portion of the dissolution chamber 11 and extending in the longitudinal direction. It is configured.
気液溶解部10の撹拌部材12は、先端部12aに底部12bを有する有底筒状を成しており、内部には導入流路12cが形成されている。 The stirring member 12 of the gas-liquid dissolving portion 10 has a bottomed tubular shape having a bottom portion 12b at the tip portion 12a, and an introduction flow path 12c is formed inside.
撹拌部材12は、先端部を12aを導入孔3aに対して所定の間隔をおいて対向させるように配置するとともに、撹拌部材12の外周面と溶解室11の内周面とによって撹拌室13が形成される。このため、導入孔3aから供給された湯水は、先端部12aの外側に向かって流れ、撹拌室13へ流入する。撹拌室13へ流入した湯水は、二点鎖線で示す矢印のように撹拌され、空気の溶解濃度が高められた気液混合体となる。 In the stirring member 12, the tip portion 12a is arranged so as to face the introduction hole 3a at a predetermined interval, and the stirring chamber 13 is formed by the outer peripheral surface of the stirring member 12 and the inner peripheral surface of the melting chamber 11. It is formed. Therefore, the hot water supplied from the introduction hole 3a flows toward the outside of the tip portion 12a and flows into the stirring chamber 13. The hot water that has flowed into the stirring chamber 13 is stirred as shown by the arrow indicated by the alternate long and short dash line to form a gas-liquid mixture in which the dissolved concentration of air is increased.
なお、撹拌部材12の先端部12aは、傘状に成形されていることが好ましい。これは、撹拌室13への入口を狭くするとともに、撹拌室13の容積を広く設定するためのものであり、このようにすることで、撹拌室13へ流入する湯水の流速を高め、撹拌効率を高める効果がある。 The tip portion 12a of the stirring member 12 is preferably formed in an umbrella shape. This is for narrowing the inlet to the stirring chamber 13 and setting the volume of the stirring chamber 13 wide. By doing so, the flow velocity of the hot water flowing into the stirring chamber 13 is increased, and the stirring efficiency is increased. Has the effect of increasing.
また、撹拌部材12の外周面には、2箇所に貫通孔12dが穿設されており、撹拌室13と導入流路12cとを連通する。このため、撹拌室13によって撹拌された湯水は、貫通孔12dを通過して導入流路12cへ流入する。 Further, through holes 12d are formed at two places on the outer peripheral surface of the stirring member 12, and the stirring chamber 13 and the introduction flow path 12c are communicated with each other. Therefore, the hot water stirred by the stirring chamber 13 passes through the through hole 12d and flows into the introduction flow path 12c.
微細気泡生成部20は、シャワーヘッド本体2のヘッド部4に内蔵されており、ヘッド部4の内部に成形され、撹拌部材12の導入流路12cと連通する旋回室21と、この旋回室21の中心部に配置され、旋回流を発生させる旋回流生成部22とから構成されている。 The fine bubble generating unit 20 is built in the head portion 4 of the shower head main body 2, is formed inside the head portion 4, and communicates with the introduction flow path 12c of the stirring member 12 and the swirling chamber 21. It is arranged in the central portion of the above, and is composed of a swirling flow generating unit 22 that generates a swirling flow.
図3に示すように、旋回流生成部22は、略三角錐を成しており、その外形に沿うように旋回室21の内部形状も成形されている。旋回流生成部22は、外周面を上流側に向けて配置されており、その外周面には、複数の上流側旋回翼22aが一体成形されている。 As shown in FIG. 3, the swirl flow generation unit 22 has a substantially triangular pyramid, and the internal shape of the swirl chamber 21 is also formed along the outer shape thereof. The swirl flow generation unit 22 is arranged with the outer peripheral surface facing the upstream side, and a plurality of upstream swirl blades 22a are integrally formed on the outer peripheral surface thereof.
また、図4に示すように、旋回流生成部22は、底面に一体成形された複数の下流側旋回翼22bを有しており、これら旋回翼22a,22bによって、湯水は、旋回室21内で二点鎖線の矢印で示すような旋回流になる。 Further, as shown in FIG. 4, the swirling flow generating unit 22 has a plurality of downstream swivel blades 22b integrally molded on the bottom surface, and the swirling blades 22a and 22b allow hot water to flow into the swirling chamber 21. It becomes a swirling flow as shown by the arrow of the alternate long and short dash line.
図5に示すように、旋回室21の出口には、導出流路23が連通されており、この導出流路23からは、複数のスリット24が分岐している。これらスリット24は縮径されているため、スリット24を通過する際に湯水(気液混合体)の流速が増大し、せん断力によって湯水に微細気泡が生成される。また、スリット24の出口にはパンチングメタル25が包囲してあり、スリット24を通過した湯水に含まれる微細気泡をさらに細分化する。そして、図1に示すように、散水板5の散水孔5aから外部へ微細気泡を含む湯水が噴射される。 As shown in FIG. 5, a lead-out flow path 23 is communicated with the outlet of the swirl chamber 21, and a plurality of slits 24 are branched from the lead-out flow path 23. Since these slits 24 have a reduced diameter, the flow velocity of the hot water (gas-liquid mixture) increases when passing through the slit 24, and fine bubbles are generated in the hot water due to the shearing force. Further, a punching metal 25 is surrounded at the outlet of the slit 24, and the fine bubbles contained in the hot water that has passed through the slit 24 are further subdivided. Then, as shown in FIG. 1, hot water containing fine bubbles is sprayed from the sprinkler hole 5a of the sprinkler plate 5 to the outside.
なお、導出流路23には、循環パイプ26を内蔵させてもよい。この循環パイプ26は、上下に貫通穴26a,26bを備えており、下流側貫通穴26aから導出流路23内の湯水を内部へ取り込み、上流側貫通穴26bから放出するものである。このように、循環パイプは導出流路23内で湯水を循環させることにより、気体の溶解濃度を高めるように構成されている。 The circulation pipe 26 may be built in the lead-out flow path 23. The circulation pipe 26 is provided with through holes 26a and 26b at the top and bottom, and takes in hot water in the lead-out flow path 23 from the downstream through hole 26a and discharges it from the upstream through hole 26b. In this way, the circulation pipe is configured to increase the dissolution concentration of the gas by circulating hot water in the lead-out flow path 23.
上記シャワーヘッド1によれば、気液溶解部10が内蔵されているので、シャワーヘッドとは別に溶解タンクを設置せずとも、湯水に対する空気の溶解濃度が高められる。そして、空気の溶解濃度が高められた湯水で微細気泡を生成することにより、多くの微細気泡を生成することが可能となる。 According to the shower head 1, since the gas-liquid dissolving unit 10 is built in, the dissolution concentration of air in hot water can be increased without installing a dissolution tank separately from the shower head. Then, by generating fine bubbles with hot water having a high dissolved concentration of air, it becomes possible to generate many fine bubbles.
また、気液溶解部10は、撹拌部材12の周囲で湯水を撹拌するように構成されており、つまり把持部3の内部において外側で湯水を撹拌するように構成されているため、シャワーヘッド1を傾けた際に撹拌室13に湯水が満水でない状態でも、撹拌室13には湯水が貯水されるので、撹拌効率が低下することはない。さらに、撹拌部材12の貫通孔12dは、散水板5に対して側面となる位置に設けられている。このため、散水板5を下に向けるようにシャワーヘッド1を傾けた際に撹拌室13の内部に湯水が満水でない状態でも、撹拌室13から導入流路12cへ湯水を供給できるので、噴射が止むようなことはない。 Further, the gas-liquid dissolving unit 10 is configured to agitate the hot water around the stirring member 12, that is, the shower head 1 is configured to agitate the hot water on the outside inside the grip portion 3. Even if the stirring chamber 13 is not full of hot water when tilted, the stirring chamber 13 stores the hot water, so that the stirring efficiency does not decrease. Further, the through hole 12d of the stirring member 12 is provided at a position on the side surface with respect to the sprinkler plate 5. Therefore, even if the inside of the stirring chamber 13 is not full when the shower head 1 is tilted so that the sprinkler plate 5 faces downward, the hot water can be supplied from the stirring chamber 13 to the introduction flow path 12c, so that the injection can be performed. There is no stopping.
なお、本発明の各部の具体的な構成は、上述した実施形態に限定されるものではなく、本発明の趣旨を逸脱しない範囲で種々変形が可能である。 The specific configuration of each part of the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the spirit of the present invention.
1 シャワーヘッド
2 シャワーヘッド本体
3 把持部
3a 導入孔
4 ヘッド部
5 散水板
5a 散水孔
10 気液溶解部
11 溶解室
12 撹拌部材
12a 先端部
12b 底部
12c 導入流路
12d 貫通孔
13 撹拌室
20 微細気泡生成部
21 旋回室
22 旋回流生成部
22a 上流側旋回翼
22b 下流側旋回翼
23 導出流路
24 スリット
25 パンチングメタル
26 循環パイプ
26a 下流側貫通穴
26b 上流側貫通穴
1 Shower head 2 Shower head body 3 Grip part 3a Introduction hole 4 Head part 5 Sprinkler plate 5a Sprinkler hole 10 Gas-liquid dissolution part 11 Dissolution chamber 12 Stirring member 12a Tip part 12b Bottom 12c Introduction flow path 12d Through hole 13 Stirring chamber 20 Fine Bubble generation unit 21 Swirling chamber 22 Swirling flow generation unit 22a Upstream swivel blade 22b Downstream swivel blade 23 Derivation flow path 24 Slit 25 Punching metal 26 Circulation pipe 26a Downstream side through hole 26b Upstream side through hole

Claims (3)

  1. 湯水を撹拌して空気の溶解濃度を高めるように構成された気液溶解部と、気液溶解部によって撹拌された湯水を旋回流にして微細気泡を生成するように構成された微細気泡生成部とをシャワーヘッド本体に内蔵したことを特徴とするシャワーヘッド。 A gas-liquid dissolving unit configured to stir hot water to increase the dissolution concentration of air, and a fine bubble generating unit configured to swirl the hot water stirred by the gas-liquid dissolving unit to generate fine bubbles. A shower head that features a built-in shower head.
  2. シャワーヘッド本体は、一端に混合栓から供給される湯水の導入孔を備える把持部と、この把持部に連結され、湯水を噴射する散水板を備えるヘッド部とから成り、
    気液溶解部は、把持部の内部に形成された溶解室と、溶解室の中心部に配置され長手方向に延びる撹拌部材とから成り、
    気液溶解部の撹拌部材は、先端部に底部および内部に導入流路が形成された有底筒状を成し、先端部を導入孔に対して所定の間隔をおいて対向させるように配置することにより、導入孔から供給された湯水を撹拌部材の外周面と溶解室の内周面とによって形成される空間へ流入させてこの空間で撹拌するように構成されるとともに、外周面には溶解室と導入流路とを連通させる貫通孔が穿設され、導入流路は微細気泡生成部と連通させてあること、
    を特徴とする請求項1に記載のシャワーヘッド。
    The shower head main body is composed of a grip portion having a hot water introduction hole supplied from a mixing tap at one end and a head portion provided with a sprinkler plate connected to the grip portion to inject hot water.
    The gas-liquid dissolution portion consists of a dissolution chamber formed inside the grip portion and a stirring member arranged in the center of the dissolution chamber and extending in the longitudinal direction.
    The stirring member of the gas-liquid dissolving part has a bottomed tubular shape with an introduction flow path formed at the bottom and inside at the tip, and the tip is arranged so as to face the introduction hole at a predetermined interval. By doing so, the hot water supplied from the introduction hole is made to flow into the space formed by the outer peripheral surface of the stirring member and the inner peripheral surface of the melting chamber and is stirred in this space, and the outer peripheral surface is formed. A through hole is provided to communicate the melting chamber and the introduction flow path, and the introduction flow path communicates with the fine bubble generation part.
    The shower head according to claim 1.
  3. 気液溶解の撹拌部材は、先端部の外形が傘状に成形されていることを特徴とする請求項1又は2に記載のシャワーヘッド。
    The shower head according to claim 1 or 2, wherein the gas-liquid dissolution stirring member has an umbrella-shaped outer shape at the tip.
JP2019055652A 2019-03-22 2019-03-22 shower head Pending JP2020151390A (en)

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KR1020190167416A KR102274670B1 (en) 2019-03-22 2019-12-16 Showerhead
CN201911390997.5A CN111715426A (en) 2019-03-22 2019-12-30 Spray head

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JP2003265351A (en) * 2002-03-12 2003-09-24 Takayasu Okubo Shower head
WO2008123467A1 (en) * 2007-03-30 2008-10-16 Ikeda, Yoshiaki Aerating unit, aerating apparatus equipped therewith and method of aerating
EP2185274A4 (en) * 2007-09-07 2012-12-05 Turbulent Energy Inc Dynamic mixing of fluids
KR101166975B1 (en) * 2010-05-03 2012-07-23 용인송담대학 산학협력단 The Micro Bubble Shower Device
JP4999996B2 (en) * 2010-12-01 2012-08-15 株式会社田中金属製作所 Bubble generator
JP5335111B2 (en) * 2012-03-13 2013-11-06 ルーヴルドージャパン株式会社 Carbonated water discharge unit, carbonated water discharge device
TWI642475B (en) * 2013-06-24 2018-12-01 奈米科技股份有限公司 Fine bubbles generrator system and method generating fine bubbles in a fluid
CN105228736B (en) * 2013-06-13 2019-05-10 希玛科技有限公司 Nozzle occurs for micron/nano bubble method for generation, with generating device
CN106232239A (en) * 2013-11-12 2016-12-14 喷雾系统公司 There is the catalytic cracking spray nozzle of internal liquid granule central dispersion
KR101546593B1 (en) * 2013-12-27 2015-08-21 주식회사 일성 A device for generating micro bubble
KR101584234B1 (en) * 2014-04-02 2016-01-12 (주)포에스텍 shower head
JP2016220909A (en) 2015-05-29 2016-12-28 株式会社田中金属製作所 shower head
KR101667492B1 (en) * 2015-07-17 2016-10-18 김홍노 Apparatus for generating micro bubbles
CN105126277B (en) * 2015-09-11 2018-03-06 中国石油化工股份有限公司青岛安全工程研究院 A kind of big flow compressed-air foam mixing arrangement
KR20170038230A (en) * 2015-09-30 2017-04-07 (주)유니이노베이션 shower using CO2 water and bubble
JP6129390B1 (en) * 2016-07-28 2017-05-17 株式会社カクイチ製作所 Nanobubble generating nozzle and nanobubble generating apparatus
KR101946170B1 (en) * 2017-12-11 2019-02-11 주식회사 성현테크 Micro-bubble shower head

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