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KR100880913B1 - Duct Cleaning Tube - Google Patents

Duct Cleaning Tube Download PDF

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Publication number
KR100880913B1
KR100880913B1 KR1020070070205A KR20070070205A KR100880913B1 KR 100880913 B1 KR100880913 B1 KR 100880913B1 KR 1020070070205 A KR1020070070205 A KR 1020070070205A KR 20070070205 A KR20070070205 A KR 20070070205A KR 100880913 B1 KR100880913 B1 KR 100880913B1
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KR
South Korea
Prior art keywords
tube
duct
impeller
injection
cleaning
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Application number
KR1020070070205A
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Korean (ko)
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KR20090006650A (en
Inventor
유진
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유진
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Priority to KR1020070070205A priority Critical patent/KR100880913B1/en
Publication of KR20090006650A publication Critical patent/KR20090006650A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
    • B08B9/0328—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid by purging the pipe with a gas or a mixture of gas and liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04—Cleaning by suction, with or without auxiliary action
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/22—Cleaning ducts or apparatus

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Duct Arrangements (AREA)

Abstract

본 발명은 공동주택, 단독주택, 사무실 등에서 실내공기를 외부공기와 순환시키기 위해 설치된 덕트(60)의 내부 청소용 튜브에 관한 것으로, 더욱 상세하게는 2개의 관이음구(30)를 통해 압축공기가 전달되는 튜브(50)가 장착되되, 관이음구(30)의 사이에는 분사구(21)가 형성된 분사축관(20)이 장착되고, 분사축관(20)의 외주면에는 분사축관(20)을 중심축으로 하여 분사구(21)에서 배출되는 압축공기에 의해 회전되는 임펠러(10)가 외삽된 덕트용 청소튜브이다.The present invention relates to an internal cleaning tube of the duct 60 installed to circulate indoor air with external air in a multi-family house, single house, office, etc. More specifically, compressed air is delivered through two pipe fittings 30. Is equipped with a tube 50, the injection shaft tube 20 is formed between the injection port 21, the injection hole 21 is mounted, the outer peripheral surface of the injection shaft tube 20 with the injection shaft tube 20 as the central axis The impeller 10 which is rotated by the compressed air discharged from the injection port 21 is an extrapolated duct cleaning tube.

본 발명으로 인해, 환기를 위해 천정에 매립시킨 덕트(60)내의 오래된 먼지를 청소할 수 있으므로, 언제든지 신선한 실내공기를 유지할 수 있게 될 뿐 아니라, 그동안 청소 불능으로 인해 방치되었던 덕트(60)를 재사용할 수 있게 되는 효과가 있다.According to the present invention, it is possible to clean the old dust in the duct 60 embedded in the ceiling for ventilation, not only to maintain fresh indoor air at any time, but also to reuse the duct 60 that has been left unclean due to the inability to clean it. There is an effect that becomes possible.

덕트, 청소, 임펠러 Duct, cleaning, impeller

Description

덕트용 청소튜브{Cleaning tube for duct}Cleaning tube for duct

본 발명은 공동주택, 단독주택, 사무실 등에서 실내공기를 외부공기와 순환시키기 위해 설치된 덕트(60)의 내부 청소용 튜브에 관한 것으로, 더욱 상세하게는 2개의 관이음구(30)를 통해 압축공기가 전달되는 튜브(50)가 장착되되, 관이음구(30)의 사이에는 분사구(21)가 형성된 분사축관(噴射軸管, 20)이 장착되고, 분사축관(20)의 외주면에는 분사축관(20)을 중심축으로 하여 분사구(21)에서 배출되는 압축공기에 의해 회전되는 임펠러(10)가 외삽된 덕트용 청소튜브에 관한 것이다.The present invention relates to an internal cleaning tube of the duct 60 installed to circulate indoor air with external air in a multi-family house, single house, office, etc. More specifically, compressed air is delivered through two pipe fittings 30. The tube 50 is mounted, the injection shaft tube 20 is formed between the pipe fitting port 30, the injection port 21 is formed, and the injection shaft tube 20 on the outer circumferential surface of the injection shaft tube 20 The impeller 10 rotated by the compressed air discharged from the injection port 21 as a central axis relates to a cleaning tube for the duct extrapolated.

종래의 덕트(60)는 실내공기의 정화 내지 외부공기와의 순환공급을 위해 도 1에서와 같이 가정을 비롯하여 사무실이나 건물의 천정에 매립된 상태로 설치된다. 일반적으로 외부공기의 공급을 담당하는 덕트(60)와 실내공기의 배출을 담당하는 덕트(60)가 양분되어 설치되며 이 2개의 덕트(60)는 외벽 근처에 설치된 열교환기(70)를 통과하면서 각각의 실내공간으로 분기되는 형태로 설치된다.Conventional duct 60 is installed in the state of being embedded in the ceiling of the office or building, including the home, as shown in Figure 1 for the purification of indoor air or the circulation of the outside air. In general, the duct 60 for supplying the outside air and the duct 60 for discharging the indoor air are bisected and the two ducts 60 pass through the heat exchanger 70 installed near the outer wall. It is installed in the form of branching to each indoor space.

그러나, 천정에 매립되다 보니, 덕트(60)내부의 청소는 거의 불가능하여 환기수단으로 설치된 덕트(60)가 오히려 실내공기를 오염시키는 주범으로 부상됨에 따라 덕트(60)내부의 청소문제는 시급히 해결되야 하는 문제로 지적되고 있다.However, since it is buried in the ceiling, it is almost impossible to clean the inside of the duct 60, so the cleaning problem inside the duct 60 is urgently solved as the duct 60 installed as a ventilation means is rather contaminated with polluting indoor air. The problem is pointed out.

따라서, 본 발명은 상기와 같은 종래기술의 문제점을 감안하여 창안한 것으로서, 본 발명의 주된 목적은 덕트(60)내부에 쌓인 먼지를 제거하기 위한 수단으로써, 압축공기를 튜브(50)를 통해 덕트(60)내부에 분사하여 쌓인 먼지를 비산시킨 다음, 덕트(60)의 디퓨저(diffuser)부분에서 펌프를 이용하여 먼지를 흡입하도록 한 덕트용 청소튜브를 제공하고자 한다.Accordingly, the present invention has been made in view of the above-described problems of the prior art, and a main object of the present invention is to remove dust accumulated in the duct 60, and to provide compressed air through the tube 50. (60) It is to provide a cleaning tube for the duct to spray the dust accumulated inside, and then to suck the dust using a pump in the diffuser (diffuser) portion of the duct (60).

본 발명의 구체적인 과제 해결 수단은 압축공기가 이송되는 튜브(50)가 구비되고, 이 튜브(50)의 일단에는 원터치 방식의 관이음구(30)가 각각 접속되며, 관이음구(30)와 접속된 튜브(50)는 분사구(21)가 천공된 분사축관(20)을 매개로 서로 접속되되, 분사축관(20)의 외주면에는 분사축관(20)을 중심축으로 하여 분사구(21)에서 배출되는 압축공기에 의해 회전되는, 저면에 분출구(12)가 형성된 임펠러(10)가 외삽된 덕트용 청소튜브이다. 상기 임펠러(10)는 원추형상이고, 그 내부는 곡면 형상의 날개(11)가 방사상으로 다수개 형성된 격실(13)로 구성된다.Specific problem solving means of the present invention is provided with a tube (50) through which compressed air is conveyed, one end of the tube (50) of one-touch type is connected to each of the tube fittings (30) The tube 50 is connected to each other via the injection shaft tube 20 in which the injection hole 21 is drilled, and the compression is discharged from the injection hole 21 on the outer circumferential surface of the injection shaft tube 20 with the injection shaft tube 20 as the central axis. It is a duct | cleaning tube for ducts which extrapolated the impeller 10 with which the blower outlet 12 was formed in the bottom surface which rotates by air. The impeller 10 has a conical shape, the inside of which is composed of a compartment 13 formed with a plurality of radial wings 11 radially.

본 발명으로 인해, 환기를 위해 천정에 매립시킨 덕트(60)내의 오래된 먼지를 청소할 수 있으므로, 언제든지 신선한 실내공기를 유지할 수 있게 된다. 또한, 그동안 청소 불능으로 인해 방치되었던 덕트(60)를 재사용할 수 있게 되는 효과가 있다.Due to the present invention, it is possible to clean the old dust in the duct 60 embedded in the ceiling for ventilation, thereby maintaining fresh indoor air at any time. In addition, there is an effect that it is possible to reuse the duct 60 that has been left unclean due to the inability to clean.

이하, 본 발명의 목적을 달성할 수 있는 바람직한 실시예의 기술구성 및 효과를 첨부된 도면을 참고하여 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings the technical configuration and effects of a preferred embodiment which can achieve the object of the present invention will be described.

도 2는 본 발명에 따른 덕트용 청소튜브의 분리 사시도이고, 도 3은 본 발명에 따른 덕트용 청소튜브의 결합 사시도이다. 본 발명은 도 2, 3에 도시된 덕트용 청소튜브를 덕트(60)의 길이방향을 따라, 일정간격 이격하여 다수개 장착하는 방식으로 덕트(60)내부에 삽입시킨 후, 압축공기를 튜브(50)를 통해 덕트(60)내부에 와류성으로 분사하여 쌓인 먼지를 비산시킨 다음, 덕트(60)의 디퓨저(diffuser)부분에서 펌프를 이용하여 먼지를 흡입하도록 한 것이다.Figure 2 is an exploded perspective view of the cleaning tube for ducts according to the present invention, Figure 3 is a combined perspective view of the cleaning tube for ducts according to the present invention. According to the present invention, after inserting the cleaning tube for ducts shown in FIGS. 2 and 3 into the duct 60 in a manner in which a plurality of cleaning tubes are mounted at regular intervals along the lengthwise direction of the duct 60, the compressed air tube ( 50) scatters the accumulated dust by spraying in the duct 60 in the duct 60, and then to suck the dust using a pump in the diffuser portion of the duct (60).

도 1에서와 같이 압축공기가 이송되는 튜브(50)가 구비된다. 이 튜브(50)의 일단에는 원터치 방식의 통상의 관이음구(30)가 각각 접속되고, 관이음구(30)와 접속된 튜브(50)는 분사구(21)가 천공된 분사축관(20)을 매개로 서로 접속되며, 분사축관(20)의 외부면에는 분사축관(20)을 중심축으로 하여 분사구(21)에서 배출되는 압축공기에 의해 회전되는 임펠러(10)가 외삽된다.As shown in FIG. 1, a tube 50 through which compressed air is transferred is provided. One end of the tube 50 is connected to the normal pipe fitting 30 of the one-touch system, and the tube 50 connected to the pipe fitting 30 is connected to the injection shaft tube 20 through which the injection port 21 is perforated. Are connected to each other, the impeller 10 is rotated by the compressed air discharged from the injection port 21 on the outer surface of the injection shaft tube 20 as the central axis.

상기 임펠러(10)가 분사축관(20)을 중심축으로 회전되는 상세한 원리는 도 4, 5, 6을 통해 설명한다. 도 4는 도 3에 표시된 A-A선 단면도이고, 도 5는 도 3에 표시된 B-B선 단면도이며, 도 6은 본 발명에 따른 임펠러(10)에서 압축공기의 작용 및 흐름을 나타낸 사시도이다.The detailed principle that the impeller 10 is rotated about the injection shaft tube 20 about the central axis will be described with reference to FIGS. 4, 5, and 6. 4 is a cross-sectional view taken along the line A-A shown in FIG. 3, FIG. 5 is a cross-sectional view taken along the line B-B shown in FIG. 3, Figure 6 is a perspective view showing the action and flow of the compressed air in the impeller 10 according to the present invention.

도 4에 도시한 바와 같이, 압축공기는 튜브(50)를 통해 공급되고, 공급된 압축공기의 일부는 분사축관(20)의 내부에 형성된 안내구(22)의 유도를 받으면서 분사구(21)를 통과하여 임펠러(10)의 내부로 공급되고, 일부의 압축공기는 계속 튜브(50)를 따라 전방으로 공급된다.As shown in FIG. 4, the compressed air is supplied through the tube 50, and a part of the compressed air is supplied to the injection port 21 while being guided by the guide 22 formed in the injection shaft tube 20. Passes through and is supplied into the interior of the impeller 10, some compressed air continues to be supplied along the tube 50 forward.

상기 임펠러(10)의 형상은 도 4, 5, 6에서와 같이 원추형상이며 내부에는 곡면 형상의 날개(11)가 방사상으로 다수개 형성된다. 날개(11)와 날개(11)의 사이공간은 분사축관(20)의 분사구(21)를 통해 공급된 압축공기가 도 5, 6에서와 같이 날개(11)의 곡면부를 추진(推進)함으로써, 임펠러(10)가 분사축관(20)을 중심축으로 회전할 수 있도록 격실(13)로 구성된다.The impeller 10 has a conical shape as shown in FIGS. 4, 5, and 6, and a plurality of wings 11 having a curved shape are radially formed therein. The space between the blade 11 and the blade 11 is compressed air supplied through the injection port 21 of the injection shaft tube 20 by pushing the curved surface portion of the blade 11 as shown in Figs. Impeller 10 is configured as a compartment 13 to rotate the injection shaft tube 20 about the central axis.

전술한 바와 같이 임펠러(10)는 압축공기의 추진력에 의해 회전되고, 동시에 추진력에 소요된 압축공기는 임펠러(10)의 저면에 형성된 분출구(12)를 통해 덕트(60)내부에 와류(渦流)성으로 분사됨에 따라, 장시간에 덕트(60)내부에 고착되어 쌓인 먼지도 와류현상의 압축공기로 인해 효과적으로 비산된다. 이렇게 소용돌이 현상으로 비산된 공기는 덕트(60)의 디퓨저 부분에서 펌프를 통해 흡입함으로써, 덕트(60)내부의 먼지 청소가 완료되는 것이다. 참고로, 튜브(50)와 분사축관(20)을 관이음구(30)로부터 분리하기 위해서는 통상적으로 슬리브(31)를 눌러준 다음 잡아 인출하면 분리된다.As described above, the impeller 10 is rotated by the propulsion force of the compressed air, and at the same time, the compressed air consumed for the propulsion force is vortexed in the duct 60 through the spout 12 formed in the bottom surface of the impeller 10. As it is injected into the castle, dust accumulated by being fixed in the duct 60 for a long time is effectively scattered due to the compressed air of the vortex phenomenon. The air scattered by the vortex phenomenon is sucked through the pump in the diffuser portion of the duct 60, thereby completing dust cleaning in the duct 60. For reference, in order to separate the tube 50 and the injection shaft tube 20 from the pipe fitting 30, pressing the sleeve 31 and then pulled out to separate.

압축공기에 의한 임펠러(10) 회전시 분사축관(20)과의 유격을 고려하여 임펠러(10)와 분사축관(20)이 맞닿는 부분에 부싱을 장착하거나, 소형 베어링을 장착할 수도 있다. 그러나, 자기윤활성이 탁월하여 미끄럼짐 현상이 우수한 MC나일론(Mono Cast Nylon)을 분사축관(20) 재료로 사용하면 부싱이나 베어링을 사용하지 않아도 원활한 임펠러(10)의 회전이 가능하게 된다.In consideration of the clearance between the injection shaft tube 20 and the injection shaft tube 20 when the impeller 10 is rotated by compressed air, a bushing may be mounted at a portion where the impeller 10 and the injection shaft tube 20 abut, or a small bearing may be mounted. However, when the MC nylon (Mono Cast Nylon) excellent in the sliding phenomenon is excellent because of the excellent self-lubrication is used as the injection shaft tube 20 material, it is possible to smoothly rotate the impeller 10 without using a bushing or a bearing.

본 발명의 핵심적인 특징구성은 분사축관(20)을 중심축으로 하는 임펠러(10)이다. 본발명에서는 원추형상의 임펠러(10)를 도시하고 설명하였다. 이는 압축공기가 임펠러(10)의 격실(13)에서 날개(11)의 곡면부를 추진하고 신속하게 분출구(12)로 배출되기 위해 격실(13)공간을 좁게 구성하기 위한 것으로서, 원추형상은 임펠러(10)의 바람직한 형상이며, 임펠러(10)의 형상을 원통형이나 다른 형상으로 제작할 수 있음은 물론이다.A key feature of the present invention is the impeller 10 having a central axis on the injection shaft tube 20. In the present invention, the conical impeller 10 is illustrated and described. This is to form a narrow space of the compartment 13 in order to propel the curved surface of the wing 11 from the compartment 13 of the impeller 10 and to be discharged quickly to the ejection opening 12, the conical shape of the impeller 10 Of course, the shape of the impeller 10 can be manufactured in a cylindrical shape or other shape.

도 7은 본 발명에 따른 덕트(60)와 청소튜브의 분리 사시도로서, 도 7에서와 같이 덕트(60)의 내부에는 본 발명에 따른 청소튜브를 장착하기 위한 끼움구(61)가 덕트(60)의 길이방향을 따라 형성된다. 이 끼움구(61)에는 도 2에 도시한 바 있는 클램프(40)가 조립된다.7 is an exploded perspective view of the duct 60 and the cleaning tube according to the present invention, the fitting hole 61 for mounting the cleaning tube according to the present invention inside the duct 60 as shown in Figure 7 the duct 60 It is formed along the longitudinal direction of the. The fitting hole 61 is assembled with the clamp 40 as shown in FIG.

상기 클램프(40)는 분할된 끼움돌기(41)를 갖는 집게형 클램프(40)로서, 본 발명에 따른 청소튜브의 관이음구(30)의 외주면을 감싸면서 장착되므로, 클램프(40)의 끼움돌기(41)를 덕트(60)의 끼움구(61)에 끼워 넣음으로써, 결국 청소튜브가 덕트(60)내부에 장착되는 것이다.The clamp 40 is a clamp-type clamp 40 having a split fitting protrusion 41, and is mounted while wrapping the outer circumferential surface of the pipe fitting 30 of the cleaning tube according to the present invention, the fitting protrusion of the clamp 40 By inserting the 41 into the fitting hole 61 of the duct 60, the cleaning tube is finally mounted inside the duct 60.

한편, 전술한 청소튜브와는 달리 압축공기를 이송하는 튜브(50) 자체에 일정간격으로 분사구(21)를 천공하여 클램프(40) 구성없이 덕트(60)내에 삽입하거나, 클램프(40) 구성과 함께 덕트(60)내에 삽입함으로써, 덕트(60) 내부를 청소할 수도 있다.On the other hand, unlike the cleaning tube described above, the injection hole 21 is drilled at a predetermined interval in the tube 50 for transporting the compressed air itself, and inserted into the duct 60 without the clamp 40, or the clamp 40 configuration and By inserting together in the duct 60, the inside of the duct 60 can also be cleaned.

도 1은 실내공기 순환을 위한 덕트가 설치된 가옥의 평면도1 is a plan view of a house with a duct installed for indoor air circulation

도 2는 본 발명에 따른 덕트용 청소튜브의 분리 사시도Figure 2 is an exploded perspective view of the cleaning tube for ducts according to the present invention

도 3은 본 발명에 따른 덕트용 청소튜브의 결합 사시도3 is a combined perspective view of the cleaning tube for ducts according to the present invention

도 4는 도 3에 표시된 A-A선 단면도4 is a cross-sectional view taken along the line A-A shown in FIG.

도 5는 도 3에 표시된 B-B선 단면도5 is a cross-sectional view taken along the line B-B shown in FIG.

도 6은 본 발명에 따른 임펠러에서 압축공기의 작용 및 흐름을 나타낸 사시도Figure 6 is a perspective view showing the action and flow of compressed air in the impeller according to the present invention

도 7은 본 발명에 따른 덕트와 청소튜브의 분리 사시도Figure 7 is an exploded perspective view of the duct and the cleaning tube according to the present invention

< 도면의 주요부분에 대한 부호의 설명 ><Description of Symbols for Major Parts of Drawings>

10 : 임펠러10 impeller

11 : 날개11: wings

12 : 분출구12: spout

13 : 격실13: compartment

20 : 분사축관20: injection shaft pipe

21 : 분사구21: nozzle

22 : 안내구22: guide

30 : 관이음구30: pipe joint

31 : 슬리브31: Sleeve

40 : 클램프40: clamp

41 : 끼움돌기41: Snapping

50 : 튜브50: tube

60 : 덕트60: duct

61 : 끼움구61: fitting

70 : 열교환기70: heat exchanger

Claims (5)

압축공기가 이송되는 튜브(50)가 구비되고, 이 튜브(50)의 일단에는 원터치 방식의 관이음구(30)가 각각 접속되며, 관이음구(30)와 접속된 튜브(50)는 분사구(21)가 천공된 분사축관(20)을 매개로 서로 접속되되, 분사축관(20)의 외주면에는 분사축관(20)을 중심축으로 하여 분사구(21)에서 배출되는 압축공기에 의해 회전되는, 저면에 분출구(12)가 형성된 임펠러(10)가 외삽된 것을 특징으로 하는 덕트용 청소튜브.A tube 50 through which the compressed air is transferred is provided, and one end of the tube fitting 30 is connected to one end of the tube 50, and the tube 50 connected to the tube fitting 30 is a jetting hole 21. ) Are connected to each other via the perforated injection shaft tube 20, the outer peripheral surface of the injection shaft tube 20 is rotated by the compressed air discharged from the injection port 21 around the injection shaft tube 20 in the center, on the bottom surface The cleaning tube for ducts, characterized in that the impeller (10) having a spout (12) is extrapolated. 청구항 1에 있어서,The method according to claim 1, 분사축관(20)의 내부에는 압축공기를 분사구(21)로 유도하는 안내구(22)가 형성된 것을 특징으로 하는 덕트용 청소튜브.Inside the injection shaft tube 20, the cleaning tube for ducts, characterized in that the guide port 22 is guided to guide the compressed air to the injection port 21. 청구항 1 또는 청구항 2에 있어서,The method according to claim 1 or 2, 상기 임펠러(10)는 원추형상이고, 그 내부는 곡면 형상의 날개(11)가 방사상으로 다수개 형성된 격실(13)인 것을 특징으로 하는 덕트용 청소튜브.The impeller (10) is a conical shape, the inside of the cleaning tube for ducts, characterized in that the compartment (13) formed a plurality of radially curved wings (11). 청구항 3에 있어서,The method according to claim 3, 청소튜브의 외주면에는 상부에 끼움돌기(41)가 형성된 클램프(40)가 장착되어, 이 클램프(40)의 끼움돌기(41)가 덕트(60)내부에 형성된 끼움구(61)에 조립되는 것을 특징으로 덕트용 청소튜브.On the outer circumferential surface of the cleaning tube, a clamp 40 having a fitting protrusion 41 formed thereon is mounted, so that the fitting protrusion 41 of the clamp 40 is assembled to the fitting hole 61 formed inside the duct 60. Features cleaning tube for duct. 삭제delete
KR1020070070205A 2007-07-12 2007-07-12 Duct Cleaning Tube KR100880913B1 (en)

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CN102311154B (en) * 2010-07-01 2014-11-05 深圳市海川实业股份有限公司 Sensor, cleaning device and ultraviolet disinfection equipment
CN102384333A (en) * 2011-07-08 2012-03-21 宁波市镇海捷登应用技术研究所 Pipeline joint for balancing water pressure
KR102341728B1 (en) 2017-03-21 2021-12-22 삼성전자주식회사 Air conditioner
CN109856818B (en) * 2019-01-03 2024-02-02 苏州市星光精密机械有限公司 Air knife and air knife assembly comprising same
CN109856817A (en) * 2019-01-03 2019-06-07 苏州市星光精密机械有限公司 VR cleaning equipment
CN111420943B (en) * 2020-03-11 2021-08-03 上海交通大学 Blow cabinet unit for cleaning the external thread of steel pipes
CN117690660B (en) * 2023-12-18 2024-06-25 飞红线缆集团有限公司 Automatic cooling device for cable production

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JP2000334409A (en) * 1999-05-31 2000-12-05 Nec Corp Device for removing reaction products in exhaust duct

Patent Citations (1)

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