KR100436901B1 - A Module for circulating purified water through U/V filtering - Google Patents
A Module for circulating purified water through U/V filtering Download PDFInfo
- Publication number
- KR100436901B1 KR100436901B1 KR10-2001-0027665A KR20010027665A KR100436901B1 KR 100436901 B1 KR100436901 B1 KR 100436901B1 KR 20010027665 A KR20010027665 A KR 20010027665A KR 100436901 B1 KR100436901 B1 KR 100436901B1
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- KR
- South Korea
- Prior art keywords
- purified water
- filter
- circulation pump
- case
- impeller
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 239000008213 purified water Substances 0.000 title claims abstract description 46
- 238000001914 filtration Methods 0.000 title 1
- 238000000746 purification Methods 0.000 claims abstract description 9
- 230000001954 sterilising effect Effects 0.000 claims abstract description 5
- 239000013078 crystal Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000004904 UV filter Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 208000003322 Coinfection Diseases 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/023—Filler pipe filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
본 발명은 정수기에서의 UV필터 및 순환펌프에 관한 것으로서, 보다 상세하게는 정수탱크에 저장된 정수를 살균처리하는 U/V필터와, 상기 정수를 일정 조건으로 순환시키는 순환펌프를 일체로 구성하되 조립 및 분해가 극히 용이하도록 모듈화한 것을 특징으로 한다.The present invention relates to a UV filter and a circulating pump in a water purifier, and more particularly, a U / V filter for sterilizing purified water stored in a purified water tank, and a circulating pump for circulating the purified water under a predetermined condition. And modularized to be extremely easy to disassemble.
본 발명에 의한 U/V필터의 정수 순환모듈은, 정수탱크의 하부에 각각 별도로 분리 설치되는 U/V필터 및 순환펌프를 일체로 구성하되, 상기 U/V 필터부와 순환펌프부가 걸림편 및 체결공에 의하여 상호간에 착탈 가능하도록 이루어지며, U/V필터 및 순환펌프의 각 부품의 분해 및 조립이 용이한 케이스 구조로 이루어지는 것을 특징으로 한다.The purified water circulation module of the U / V filter according to the present invention comprises a U / V filter and a circulating pump integrally installed separately at the lower part of the purified water tank, and the U / V filter part and the circulating pump part are fastened to each other. It is made to be detachable from each other by a fastening hole, characterized in that made of a case structure for easy disassembly and assembly of each component of the U / V filter and the circulation pump.
이와 같은 U/V필터의 정수 순환모듈은 종래의 제조 및 조립과정에서의 번거로움을 해소할 수 있을 뿐만 아니라, 제조단가를 절감할 수 있는 효과는 물론 유지 및 보수를 용이하게 하고, 부품의 교체작업이 용이하여 A/S비용을 절감하는 효과를 얻을 수 있는 매우 유용한 발명이다.Such a U / V filter water purification circulation module not only eliminates the inconvenience of the conventional manufacturing and assembly process, but also reduces the manufacturing cost, facilitates maintenance and repair, and replacement of parts. It is a very useful invention that can be easily worked to obtain the effect of reducing A / S cost.
Description
본 발명은 냉, 온 정수기의 정수탱크에 저장된 정수를 일정주기로 순환 살균시켜 정수에 함유되는 용존 산소를 증가시키며, 미생물의 증식을 막기 위한 정수 순환용 U/V필터 및 순환펌프 셋트에 관한 것으로서, 본 발명의 출원인이 1996. 9.17자 제10-1996-0040337호로 특허 출원하여 등록 받은 '역삼투 냉, 온 정수기의 음용수 취출장치'에 개시된 바 있는 정수기의 U/V 필터 및 순환펌프에 의한 정수탱크 내의 정수를 순환하는 구성을 개량한 것이다.The present invention relates to a U / V filter and a circulating pump set for purified water circulation to increase the dissolved oxygen contained in purified water by circulating and sterilizing purified water stored in a purified water tank of a cold and hot water purifier at regular cycles. Purification tank by water purifier U / V filter and circulating pump of the water purifier disclosed in the 'reverse osmosis cold and hot water purifier's drinking water dispensing device patented and registered by the applicant of the present invention No. 10-1996-0040337 dated September 17, 1996 The structure which circulates the purified water inside is improved.
상기 특허공보에 개시된 바와 같이 종래에는 U/V필터 및 순환펌프를 각각 정수기 내부에 고정 설치되도록 구성하여, 연결관, 호스 등을 통하여 정수를 순환시키도록 구성되었다.As disclosed in the patent publication, in the prior art, the U / V filter and the circulation pump are respectively configured to be fixedly installed in the water purifier, and configured to circulate the purified water through a connection pipe, a hose, and the like.
그러나, 이와 같이 U/V필터 및 순환펌프가 별도로 분리되어 정수기 내부에 설치되기 때문에, 설치를 위한 공간이 충분치 못하여 제조 및 조립공정에 많은 어려움이 발생될 뿐만 아니라 제조비용이 상승되는 문제점이 있었다. 또한, 이로 인하여 U/V필터 및 순환펌프의 유지 및 보수작업이 곤란할 뿐만 아니라 교체시에도 일일이 각 부품들을 분해하여야 하는 어려움이 있었다.However, since the U / V filter and the circulation pump are separately separated and installed in the water purifier, there is not enough space for the installation, which causes many difficulties in the manufacturing and assembling process and increases the manufacturing cost. In addition, due to this, it is difficult to maintain and repair the U / V filter and the circulation pump, and there is a difficulty in disassembling each part even during replacement.
본 발명은 상기와 같은 종래의 문제점을 해결하기 위하여 발명된 것으로서,정수탱크에 저장된 정수를 살균처리하는 U/V필터와, 상기 정수를 일정 조건으로 순환시키는 순환펌프의 설치 및 분해를 용이하게 할 수 있도록 하는 것을 목적으로 한다. 또한, 본 발명은 상기 U/V필터 및/또는 순환펌프의 유지보수 및 교체를 신속하고 용이하게 수행할 수 있도록 하는 것을 목적으로 한다.The present invention has been invented to solve the conventional problems as described above, to facilitate the installation and disassembly of the U / V filter for sterilizing the purified water stored in the purified water tank, and the circulation pump for circulating the purified water in a predetermined condition. The purpose is to make it possible. In addition, it is an object of the present invention to be able to quickly and easily perform maintenance and replacement of the U / V filter and / or circulation pump.
이와 같은 목적을 달성하기 위하여 본 발명은 정수탱크의 하부에 각각 별도로 분리 설치되는 U/V필터 및 순환펌프를 일체로 구성하되, 상기 U/V 필터부와 순환펌프부가 걸림편에 의하여 상호간에 착탈 가능하도록 이루지며, U/V필터 및 순환펌프의 각 부품의 분해 및 조립이 용이한 케이스 구조로 이루어지는 것을 특징으로 한다.In order to achieve the above object, the present invention is integrally configured with a U / V filter and a circulating pump which are separately installed at the bottom of the water purification tank, respectively, and the U / V filter unit and the circulating pump are detached from each other by a catching piece. It is made to be possible, characterized in that made of a case structure for easy disassembly and assembly of each component of the U / V filter and the circulation pump.
도 1은 본 발명의 U/V필터의 정수 순환모듈의 외형을 도시한 분해 사시도Figure 1 is an exploded perspective view showing the appearance of the water purification circulation module of the U / V filter of the present invention
도 2는 본 발명에 의한 U/V필터의 정수 순환모듈이 정수탱크에 설치된 상태를 도시한 설치 단면도도 3은 상기 도 2의 요부 확대 분리단면도2 is an installation cross-sectional view showing a state in which the purified water circulation module of the U / V filter according to the present invention is installed in the purified water tank.
<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>
A: 정수탱크 1: 정수 유입공A: water purification tank 1: water purification inlet
2: 정수 유출공 3: 전원 케이블2: water purification hole 3: power cable
20: U/V필터부 60: 순환펌프부20: U / V filter part 60: circulating pump part
40: 연결부재 35,35': 체결공40: connecting member 35,35 ': fastening hole
36, 39: 걸림편 32: 연결관로36, 39: Jam piece 32: connector
45: 관로45: pipeline
이하, 본 발명을 첨부된 도면에 의하여 상세히 설명하면 다음과 같다.Hereinafter, described in detail by the accompanying drawings of the present invention.
도 1은 본 발명에 의한 U/V필터의 정수 순환 모듈의 외형을 도시한 분해 사시도이며, 도 2는 본 발명에 의한 U/V필터의 정수 순환모듈이 정수탱크에 설치된 상태를 도시한 설치 단면도이다.1 is an exploded perspective view showing the external appearance of the purified water circulation module of the U / V filter according to the present invention, Figure 2 is an installation cross-sectional view showing a state in which the purified water circulation module of the U / V filter according to the present invention is installed in the water purification tank. to be.
본 발명에 의한 U/V필터의 정수순환 모듈은 크게 U/V필터부(20)와 순환펌프부(60)로 구분된다.The purified water circulation module of the U / V filter according to the present invention is largely divided into the U / V filter unit 20 and the circulation pump unit 60.
U/V필터부(20)는 U/V필터 케이스는 외부케이스(21)와 내부케이스(22)로 구분되며, 상기 케이스의 중간부에는 정수탱크(A)로부터 정수가 유입되는 정수유입공(1)이 형성되고, 그 일단에는 캡(23)이 걸림편(36) 및 체결공(35)에 의하여 착탈 가능한 상태로 결합된다. 또한, 반대측 타단 외주연에는 순환펌프부(60)의 연결부재(40) 외주연에 형성된 체결공(35')에 착탈 가능하게 체결될 수 있는 걸림편(39)이 형성되며, 그 단부에는 O-링(27')이 개재되는 연결관로(32)가 돌출되어 구성된다.The U / V filter unit 20 is divided into a U / V filter case into an outer case 21 and an inner case 22, and a purified water inlet hole through which purified water flows from the purified water tank A in the middle of the case. 1) is formed, and one end of the cap 23 is coupled in a detachable state by the locking piece 36 and the fastening hole 35. In addition, the other end of the outer peripheral edge is formed with a engaging piece 39 that can be detachably fastened to the fastening hole 35 'formed on the outer periphery of the connection member 40 of the circulation pump part 60, the end of the O The connection pipe 32 through which the ring 27 'is interposed is formed to protrude.
상기 U/V필터부(20)의 케이스 내부에는 U/V램프(28)가 내재되어서 이루어진다. U/V필터에 관한 구성 및 기능은 일반적으로 공지된 사항이므로 그 상세한 설명은 생략하기로 한다. 미설명 도면부호 중 31은 링, 29는 석영관, 27은 O-링, 25는 스타터, 26은 스토퍼를 나타낸다.A U / V lamp 28 is embedded in the case of the U / V filter unit 20. Since the structure and function of the U / V filter are generally known, its detailed description will be omitted. Reference numeral 31 denotes a ring, 29 a quartz tube, 27 an O-ring, 25 a starter, and 26 a stopper.
일단부는 상기 U/V필터부(20)의 상기 연결관로(32)에 착탈 가능하게 체결됨과 동시에 타단부는 순환펌프의 케이스에 체결되는 연결부재(40)는, 상기 U/V필터 케이스와 동일한 지름으로 이루어지되 중심축 상으로 정수가 이송되는 관로(45) 및 상기 연결관로(32)가 삽입되는 요입부(42)가 구비된다. 상기 연결부재(40)의 타단부에는 임펠러의 회전축(65) 및 위치결정핀(66)이 삽입되는 홈(43),(44)이 각각 형성되어 상기 순환펌프부(60) 케이스 및 임펠러(63) 회전축(65)과 정확하게 결합되도록 이루어진다.One end portion is detachably fastened to the connection pipe 32 of the U / V filter part 20, and the other end part is connected to the case of the circulation pump 40, the same as the U / V filter case. It is made of a diameter but is provided with a conduit (45) and a concave inlet portion 42 is inserted into the connecting pipe (32) is a constant that is transferred on the central axis. Grooves 43 and 44 into which the rotary shaft 65 and the positioning pin 66 of the impeller are inserted are formed at the other end of the connecting member 40, respectively, so that the circulation pump part 60 case and the impeller 63 are formed. ) Is accurately coupled to the rotation shaft (65).
상기 순환펌프부(60)의 케이스(61) 좌측부에는 중심축에 평행한 회전축(65)을 갖는 임펠러(63)가 설치되어, 상기 연결부재(40)의 관로(45)를 통과한 정수가 상기 임펠러(63)의 상부에 형성된 정수 유출공(2)으로 이송될 수 있도록 구성된다.An impeller 63 having a rotation shaft 65 parallel to a central axis is installed at a left side of the case 61 of the circulation pump part 60, so that the purified water passing through the conduit 45 of the connection member 40 is It is configured to be transported to the purified water outlet hole (2) formed on the upper portion of the impeller (63).
상기 순환펌프부(60)의 케이스 내부에는 보빈(64) 및 규소강판 재질의 코어(68) 등이 내재되고, 그 우측단부는 캡(62)에 의하여 체결된다. 순환펌프 내부의 구성은 일반적으로 알려진 것이므로 그 상세한 설명은 생략하기로 한다.A bobbin 64 and a core 68 made of a silicon steel sheet are embedded in the case of the circulation pump part 60, and the right end thereof is fastened by a cap 62. Since the configuration inside the circulation pump is generally known, its detailed description will be omitted.
이와 같이 구성되어서 이루어지는 본 발명의 U/V필터의 정수 순환모듈의 작용 및 효과를 설명하면 다음과 같다.Referring to the operation and effects of the purified water circulation module of the U / V filter of the present invention configured as described above are as follows.
먼저, 본 발명의 U/V필터의 정수 순환모듈의 조립과정을 설명하면, 외부케이스(21) 및 내부케이스(22)의 내부에 석영관에 내장된 U/V필터 및 관련 구성부품을 삽입하고, U/V필터 캡(23)을 상기 케이스에 결착시켜 일체의 U/V필터부(20)를 구성한다.First, the process of assembling the purified water circulation module of the U / V filter according to the present invention will be described. The U / V filter and related components embedded in the quartz tube are inserted into the outer case 21 and the inner case 22. The U / V filter cap 23 is attached to the case to form an integral U / V filter unit 20.
다음으로 순환펌프 케이스(61) 내부에 보빈(64) 코어(68) 등의 부분품을 삽입한 후 캡(62)을 체결시킨 다음, 상기 케이스(61)의 좌측부에 형성된 삽입홈에 임펠러(63)를 삽입하고, 상기 연결부재(40)를 체결한다. 이 때, 상기 연결부재(40)의 홈(43),(44)에 상기 임펠러의 회전축(65) 및 위치결정핀(66)이 정확하게 위치된 상태에서 조립되도록 한다.Next, after inserting a part such as a bobbin 64 core 68 into the circulation pump case 61, the cap 62 is fastened, and then an impeller 63 is inserted into an insertion groove formed at the left side of the case 61. Insert and fasten the connection member (40). At this time, the rotary shaft 65 and the positioning pin 66 of the impeller are assembled in the grooves 43 and 44 of the connecting member 40 in the correct position.
이렇게 하여 구성되는 U/V필터부(20)와 순환펌프부(60)는, 상기 U/V필터부의 우측 단부의 외주연에 형성된 걸림편(39)과 상기 순환펌프부의 연결부재의 내측부에 형성된 안내부(41) 및 체결공(35')에 의하여 상호 체결된다. 즉, 상기 U/V필터부의 연결관로(32)를 상기 연결부재의 요입부(42)에 삽입키시면서 상기 걸림편(39)이 상기 안내부(41)를 통과하여 체결공(35')에 걸리도록 회전시킴으로써, 상기 U/V필터부(20)와 상기 순환펌프부(60)를 결합시키게 되는 것이다.The U / V filter part 20 and the circulation pump part 60 which are comprised in this way are formed in the inner side of the engaging piece 39 formed in the outer periphery of the right end of the said U / V filter part, and the connection member of the said circulation pump part. The guide part 41 and the fastening hole 35 'are fastened to each other. That is, the locking piece 39 passes through the guide part 41 to the fastening hole 35 'while inserting the connecting pipe 32 of the U / V filter part into the concave part 42 of the connecting member. By rotating so as to engage, the U / V filter unit 20 and the circulation pump unit 60 are coupled.
이렇게 체결이 완료된 본 발명에 의한 U/V 필터의 정수 순환 모듈은 정수탱크(A)의 하부에 형성된 정수의 유입, 유출공에 체결될 수 있기 때문에, 자체로서 완성품의 역할을 함으로써 제조공정을 단순화할 수 있을 뿐만 아니라, 조립 및 분해가 용이하고, 나아가 유지, 보수에 있어서도 편리성과 용이성을 확보할 수 있는 것이다.Thus, the purified water circulation module of the U / V filter according to the present invention can be fastened to the inflow and outflow holes of purified water formed at the bottom of the purified water tank (A), thereby simplifying the manufacturing process by acting as a finished product by itself. Not only can it be done, it is easy to assemble and disassemble, and also it can secure convenience and ease in maintenance and repair.
이렇게 하여 구성된 본발명의 U/V 필터의 정수 순환모듈은, 정수탱크(A)에 저장된 정수가 소비되지 않고 일정시간 동안 유지되는 경우에는 상기 순환펌프의 임펠러가 회전하여 상기 정수의 순환을 촉진함과 동시에 U/V필터에 의한 살균처리를 실시함으로써, 정수의 2차 감염을 방지하고, 정수에 함유되는 용존 산소를 증가시키며, 미생물의 증식을 막는 효과를 얻을 수 있게 되는 것이다.In the purified water circulation module of the U / V filter of the present invention configured as described above, when the purified water stored in the purified water tank A is not consumed and maintained for a predetermined time, the impeller of the circulation pump rotates to promote circulation of the purified water. At the same time, the sterilization treatment by the U / V filter prevents secondary infection of purified water, increases dissolved oxygen contained in purified water, and prevents the growth of microorganisms.
상기 발명의 상세한 설명은 본 발명의 특정 실시예를 예로 들어서 설명하였으나, 본 발명은 이에 한정되는 것은 아니며, 본 발명의 개념을 이탈하지 않는 범위 내에서 이 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 의하여 여러 가지 형태로 변형 또는 변경 실시하는 것 또한 본 발명의 개념에 포함되는 것은 물론이다.The detailed description of the invention has been described with reference to specific embodiments of the invention as examples, but the invention is not limited thereto, and one having ordinary skill in the art to which the invention pertains without departing from the concept of the invention. Modification or modification of the invention in various forms by the ruler is of course included in the concept of the present invention.
이상 설명한 바와 같이 본 발명에 의한 U/V필터의 정수 순환모듈은 종래의 제조 및 조립과정에서의 번거로움을 해소할 수 있을 뿐만 아니라, 제조단가를 절감할 수 있는 효과는 물론 유지 및 보수를 용이하게 하고, 부품의 교체작업이 용이하여 A/S 비용을 절감하는 효과를 얻을 수 있는 매우 유용한 발명이다.As described above, the purified water circulation module of the U / V filter according to the present invention not only eliminates the inconvenience in the conventional manufacturing and assembly process, but also reduces the manufacturing cost and facilitates maintenance and repair. And it is a very useful invention that the replacement of parts is easy to obtain the effect of reducing the A / S cost.
Claims (1)
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| Application Number | Priority Date | Filing Date | Title |
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| KR10-2001-0027665A KR100436901B1 (en) | 2001-05-21 | 2001-05-21 | A Module for circulating purified water through U/V filtering |
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| KR10-2001-0027665A KR100436901B1 (en) | 2001-05-21 | 2001-05-21 | A Module for circulating purified water through U/V filtering |
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| KR100436901B1 true KR100436901B1 (en) | 2004-06-23 |
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| KR20030067445A (en) * | 2002-02-08 | 2003-08-14 | 가부시키가이샤 아사히 | water purifier |
| KR20220136769A (en) | 2021-04-01 | 2022-10-11 | 엘지전자 주식회사 | Shower faucet |
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|---|---|---|---|---|
| JPH031102A (en) * | 1989-05-29 | 1991-01-07 | Fine Data Kk | Continuously focus variable lens |
| JPH0348107A (en) * | 1989-06-05 | 1991-03-01 | Nippondenso Co Ltd | Measuring apparatus of three-dimensional shape |
| JPH0499430A (en) * | 1990-08-15 | 1992-03-31 | Matsushita Electric Ind Co Ltd | Water-cleaning apparatus |
| KR970001758U (en) * | 1995-06-16 | 1997-01-21 | 주식회사부경카타딘물투스 | water purifier |
| JPH11290841A (en) * | 1998-04-15 | 1999-10-26 | Mutoo Engineering:Kk | Drinking water sterilizing apparatus |
| KR20010038518A (en) * | 1999-10-26 | 2001-05-15 | 소덕순 | Sterilization-clean water method for water tank and apparatus thereof |
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2001
- 2001-05-21 KR KR10-2001-0027665A patent/KR100436901B1/en active IP Right Grant
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH031102A (en) * | 1989-05-29 | 1991-01-07 | Fine Data Kk | Continuously focus variable lens |
| JPH0348107A (en) * | 1989-06-05 | 1991-03-01 | Nippondenso Co Ltd | Measuring apparatus of three-dimensional shape |
| JPH0499430A (en) * | 1990-08-15 | 1992-03-31 | Matsushita Electric Ind Co Ltd | Water-cleaning apparatus |
| KR970001758U (en) * | 1995-06-16 | 1997-01-21 | 주식회사부경카타딘물투스 | water purifier |
| JPH11290841A (en) * | 1998-04-15 | 1999-10-26 | Mutoo Engineering:Kk | Drinking water sterilizing apparatus |
| KR20010038518A (en) * | 1999-10-26 | 2001-05-15 | 소덕순 | Sterilization-clean water method for water tank and apparatus thereof |
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