KR100432955B1 - Filter device - Google Patents

Filter device Download PDF

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Publication number
KR100432955B1
KR100432955B1 KR1019960014236A KR19960014236A KR100432955B1 KR 100432955 B1 KR100432955 B1 KR 100432955B1 KR 1019960014236 A KR1019960014236 A KR 1019960014236A KR 19960014236 A KR19960014236 A KR 19960014236A KR 100432955 B1 KR100432955 B1 KR 100432955B1
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KR
South Korea
Prior art keywords
liquid
cap
filter
filter device
air
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KR1019960014236A
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Korean (ko)
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KR960040414A (en
Inventor
바우어 사샤
하비거 하인쯔
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필터벨크 만 운트 훔멜 게엠베하
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Publication of KR960040414A publication Critical patent/KR960040414A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D27/00—Cartridge filters of the throw-away type
    • B01D27/08—Construction of the casing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B01D29/15—Supported filter elements arranged for inward flow filtration
    • B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
    • B01D29/908—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding provoking a tangential stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/92—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging filtrate
    • B01D29/925—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging filtrate containing liquid displacement elements or cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
    • 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
    • B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
    • B01D35/153—Anti-leakage or anti-return valves
    • 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
    • B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B01D36/001—Filters in combination with devices for the removal of gas, air purge systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/20—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines characterised by means for preventing vapour lock
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/54—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by air purging means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/04—Supports for the filtering elements
    • B01D2201/0415—Details of supporting structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/30—Filter housing constructions
    • B01D2201/301—Details of removable closures, lids, caps, filter heads
    • B01D2201/305—Snap, latch or clip connecting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/34—Seals or gaskets for filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/40—Special measures for connecting different parts of the filter
    • B01D2201/4084—Snap or Seeger ring connecting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/48—Overflow systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtration Of Liquid (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

본 발명은 여과하고자 하는 액체가 반경방향으로 외부로부터 내부를 향하여 유입되는 중공실린더형 필터 삽입체(6)를 구비하며, 유입하는 액체를 위해 챔버내에 상승하는 액체수준으로 인해 배출되는 공기를 위한 배기장치를 갖는 특히 액체 여과를 위한 필터장치에 관한 것이다. 간단한 방법으로 마련하고자 하는 유니트로 공기를 유입하기 위해 배기장치가 중앙부(11)의 축방향으로 상부에 놓여있는 단부에 동심으로 근접하게 놓여진 캡(7)에 부착되어 있으며, 이 캡은 더 작은 직경의 구멍(8)을 구비한다. 이 구멍(8)은 내부를 향하여 유입하는 공기에 대해서는 적은 저항을 가지고 액체 대해서는 비교적 큰 저항을 가지며 배출 공기를 위한 내부에 위치한 분리된 출구채널(14)과 연결된다.The present invention has a hollow cylinder filter insert (6) in which the liquid to be filtered is introduced radially from the outside inwards, and exhausts for the air discharged due to the liquid level rising in the chamber for the incoming liquid. The invention relates to a filter arrangement, in particular for filtration of liquids. In order to introduce air into the unit to be provided in a simple manner, an exhaust device is attached to the cap (7) placed concentrically close to the upper end in the axial direction of the central part (11), the cap having a smaller diameter Hole 8 is provided. This hole 8 is connected to a separate outlet channel 14 located inside for the exhaust air, with less resistance to air entering inwards and relatively greater resistance to liquid.

Description

필터장치Filter device

본 발명은 필터장치에 관한 것으로, 특히, 주청구항의 일반 명칭으로서의, 액체의 여과를 위한 필터장치에 관한 것이다.The present invention relates to a filter device, and more particularly to a filter device for filtration of a liquid, as the general name of the main claim.

DE-PS 43 30 840 호에는, 상기와 같은 유형의 필터장치가 공지되는데, 여기에는 중공실린더 필터 삽입체가 실린더형 필터 하우징 내에 배열된다. 예를 들면 내연기관용 연료와 같은 여과될 상기 액체는, 반경방향으로 배열된 상기 필터의 외부 챔버내에서 안내되어, 상기 액체는 외부로부터 내부 중공영역으로 상기 필터 삽입체를 관통하여 들어갈 수 있다. 여과된 액체용 출구는 상기 내부 중공영역과 연결된다.In DE-PS 43 30 840, a filter device of this type is known, in which a hollow cylinder filter insert is arranged in a cylindrical filter housing. For example, the liquid to be filtered, such as fuel for an internal combustion engine, is guided in an outer chamber of the filter arranged radially so that the liquid can pass through the filter insert from the outside into the inner hollow region. The outlet for the filtered liquid is connected with the inner hollow zone.

상기 필터장치의 외부 챔버내에서 액체의 공급이 시작될때, 일반적으로 상기 액체의 공급 이전에 일정한 양의 공기가 상기 외부 챔버 내에서 운반된다. 이 공기의 부피는 상기 액체 뿐만 아니라 상기 필터 삽입체에 의해 압축되고, 이것은 또한 상기 필터장치의 출구에 도달한다. 특히, 연료 또는 오일 필터가 이용되는 경우에는, 내연기관과 같은 또 다른 연결된 장치가 공기 포집으로 인해 연료의 공급을 방해할 수 있기 때문에, 이것은 불리한 것으로 판명되었다.When the supply of liquid is started in the outer chamber of the filter device, generally a certain amount of air is delivered in the outer chamber prior to the supply of the liquid. This volume of air is compressed by the filter insert as well as the liquid, which also reaches the outlet of the filter device. In particular, when a fuel or oil filter is used, this has proved disadvantageous since another connected device, such as an internal combustion engine, can interfere with the supply of fuel due to air collection.

도입부에 언급된 필터장치의 경우에 있어서, 공기의 제거는 배기밸브를 통하여 가능해지고, 공기가 제거되는 동안 볼은 중력에 의해 밸브를 개방시킨다. 그러나 상기 볼은 액체 수위가 상승할 때 뜨게되어 상기 밸브 구멍을 닫는다. 이러한 공지된 장치의 단점은 상기 밸브 볼의 위치가 기계적인 충격, 특히, 자동차에의 적용에 있어서의 기계적 충격으로 인해 변화될 수 있어 불확실한 액체의 밀봉을 초래하게 된다는 점이다. 또한 이러한 공지된 장치는 비용면에서 비싸다.In the case of the filter device mentioned in the introduction, the removal of air is possible through the exhaust valve, and the ball opens the valve by gravity while the air is removed. However, the ball floats when the liquid level rises and closes the valve hole. A disadvantage of this known device is that the position of the valve ball can change due to mechanical shock, in particular mechanical shock in application to automobiles, resulting in the sealing of uncertain liquids. Such known devices are also expensive in terms of cost.

본 발명의 과제는 필터 출구로의 공기의 이동이 간단한 방법으로 방지될 수 있도록 이미 상술된 필터장치를 개량하는데 있다.The object of the present invention is to improve the filter device already described above so that movement of air to the filter outlet can be prevented in a simple way.

본 발명에 따른 필터장치는 주청구항의 특징부를 통하여 상기 과제를 해결하는 장점(상기 일반형태를 기초로)을 갖는다. 특히 유리한 점은 경제적이고 신뢰성있게 구성된 구멍을 통하여 상기 출구까지 바로 공기를 배출시키는 장치에 있다. 상기 구멍은 중심부의 캡에 위치되고 이에 따라 함께 제조될 수 있고 또한 상호교환 가능하기 때문에, 기능상의 효율이 영구적으로 보장된다.The filter device according to the invention has the advantage (based on the general form) of solving the above problem through the features of the main claim. Particularly advantageous is an apparatus for directing air directly to the outlet through a hole which is economically and reliably constructed. Since the holes are located in the cap of the center and can thus be manufactured together and are also interchangeable, functional efficiency is permanently ensured.

상기 필터 삽입체는(그 존재에 의하여) 여과될 액체의 관통 유동에 대한 일정한 양의 저항을 야기하기 때문에, 상기 구멍은 상기 액체의 유동이 상대적으로 넓은 면적의 필터 삽입체(이것은 보통 접혀진 여과지로 만들어진다)를 통하여 매우용이하게 도달할 수 있도록 작을 필요가 있다. 상기 배출 구멍은 조밀한 여과지와 비교할 때 상기 액체 유동에 대해 확실히 매우 더 작은 저항을 유발한다. 상기 구멍의 유리하고 이상적인 크기는 종속청구항 제 4 항과 같이 대략 0.5 mm 이다.Since the filter insert (by its presence) causes a constant amount of resistance to the through flow of the liquid to be filtered, the aperture is a filter insert having a relatively large area of flow of liquid (which is usually a folded filter paper). It needs to be small so that it can be reached very easily. The outlet hole certainly induces a much smaller resistance to the liquid flow as compared to dense filter paper. The advantageous and ideal size of the hole is approximately 0.5 mm as in claim 4.

유입 액체를 포함하는 액체 탱크(종속청구항 제 3 항에 의한)에 결합된, 상기 중심부내의 분리된 출구채널을 상기 구멍과 연결시킴에 의해, 필요한 경우 상기 구멍을 통하여 나오는 상기 액체가 포집되고 재사용될 수 있다. 또 다른 종속청구항에 따른 설계 형태를 통하여, 용이한 조립 방법이 필터 삽입체 뿐만 아니라 완전한 필터를 위해 제안되고, 이것은 특히 자동차에의 적용에 특히 유리하다.By connecting a separate outlet channel in the center with the aperture, which is coupled to a liquid tank containing an inlet liquid (according to claim 3), the liquid exiting through the aperture can be collected and reused if necessary. Can be. Through a design form according to another dependent claim, an easy assembly method is proposed for a complete filter as well as for a filter insert, which is particularly advantageous for automotive applications.

본 발명에 따른 상기 필터장치의 설계 실시예는 도면을 기초로 설명된다.A design embodiment of the filter device according to the present invention will be described based on the drawings.

도 1 은 1개의 상부(2)와 1개의 하부(3)로 구성되는 필터 하우징을 갖는 필터장치(1)의 단면도를 도시하는데, 이것은 여과될 액체를 위한 입구(4; 도 2에서 볼 수 있음)와 여과된 액체를 위한 출구(5)를 또한 구비한다. 상기 필터 하우징 (2,3)의 내부에는, 접혀진 여과지로 만들어지고 중심부(11) 주위에 배열된 중공실린더형 필터 삽입체(6)가 존재한다.FIG. 1 shows a cross-sectional view of a filter device 1 having a filter housing consisting of one upper part 2 and one lower part 3, which can be seen in the inlet 4 for the liquid to be filtered 4; And an outlet 5 for the filtered liquid. Inside the filter housings 2, 3 there is a hollow cylinder filter insert 6 made of folded filter paper and arranged around the central portion 11.

상기 중심부(11)에는 상기 중심부(11)와 용접된 플라스틱으로 만들어진 캡(7)이 존재하고, 실시예에 도시된 바와 같이 상기 캡(7)은 그 상단부에 구멍(8)을 구비한다. 상기 구멍(8)은 또한 측면상에 배열될 수도 있다. 밀봉링(9) 상의 상기 캡(8)에는 상기 필터 삽입체(6)와 상기 중심부(11)를 상부를 향하여 밀봉시키는 밀봉영역(10)이 존재한다. 상기 필터 삽입체(6)의 하부 영역에는 재킷(12)이 존재하고, 상기 재킷(12)은 상기 필터 삽입체(6)를 통해 바닥에 축적되는 오염물의 누출(seeping)을 방지한다. 상기 중심부(11) 내에는 상기 출구(5)와 연결되는 여과된 액체를 위한 주출구채널(13)이 존재한다. 분리된 출구채널(14) 내에서 상기 구멍(8)을 통하여 빠져나가는 공기 및 분리된 액체는, 상기 여과되지 않은 액체의 탱크에 연결된 또 다른 출구(15)에 도달할 수 있다. 상기 필터 삽입체(6)의 상방향으로의 축방향 지지를 위해 지지요소(16a,16b)가 구성된다.In the central part 11 there is a cap 7 made of plastic welded to the central part 11, as shown in the embodiment, the cap 7 has a hole 8 in its upper end. The holes 8 may also be arranged on the sides. In the cap 8 on the sealing ring 9 there is a sealing region 10 which seals the filter insert 6 and the central portion 11 upwards. A jacket 12 is present in the lower region of the filter insert 6, which prevents seeping of contaminants that accumulate on the floor through the filter insert 6. In the center 11 there is a spout channel 13 for the filtered liquid which is connected to the outlet 5. Air and separated liquid exiting through the aperture 8 in a separate outlet channel 14 may reach another outlet 15 connected to the tank of unfiltered liquid. Support elements 16a and 16b are configured for axial support in the upward direction of the filter insert 6.

도 2 는 용이하게 인식가능한 상기 필터 하우징(2,3)의 평면도에 의해 상기 입구(4), 출구(5) 그리고 또 다른 출구(15)의 위치를 도시한다.2 shows the position of the inlet 4, the outlet 5 and another outlet 15 by a plan view of the filter housing 2, 3 which is easily recognizable.

도 3 은 용접된 연결부(16)를 통한 상기 캡(7)과 상기 중심부(11)의 상단부의 연결로부터 보여지는 상기 중심부(11)의 상세도를 도시한다.3 shows a detailed view of the central portion 11 as seen from the connection of the upper end of the central portion 11 with the cap 7 via a welded connection 16.

상기 필터장치의 기능 설명을 위해, 특별한 참조자료가 도 3 에 나타난다. 상기 여과되지 않은 액체는 재킷(12)과 함께 하우징 부품(2,3), 밀봉영역(10)을 구비하는 필터 삽입체(6)로 구성된 입구챔버(16)에 도달한다. 상기 액체의 유입 개시시에는 일정한 양의 공기가 상방향으로 압축된다. 화살표(17)로 도시된 바와 같이 상기 공기는 상기 캡(7)의 구멍(8)에 또한 도달하고 상기 구멍(8)을 통하여 분리된 출구채널(14)로 흘러간다.In order to explain the function of the filter device, a special reference is shown in FIG. 3. The unfiltered liquid reaches the inlet chamber 16 consisting of a filter insert 6 having a housing part 2, 3, a sealing area 10 together with a jacket 12. At the start of the inflow of the liquid, a certain amount of air is compressed upward. As shown by arrow 17, the air also reaches the aperture 8 of the cap 7 and flows through the aperture 8 into a separate outlet channel 14.

상기 채널(14)은 또 다른 출구(15)를 통하여 저장탱크와 연결되기 때문에, 작은 부피의 여과되지 않은 액체의 침투는 어떠한 손상도 가져오지 않는다.Since the channel 14 is connected to the storage tank via another outlet 15, the infiltration of a small volume of unfiltered liquid does not cause any damage.

단면 표시 배치로 인해 모든 구멍 및 간극들이 인지될 수는 없지만, 화살표(17)는 배기 공기 흐름을 나타내고 화살표(18)는 여과되지 않은 액체의 유동을 나타낸다.Although not all holes and gaps can be recognized due to the cross-sectional display arrangement, arrow 17 represents the exhaust air flow and arrow 18 represents the flow of unfiltered liquid.

도 1 은 자동차의 연료 여과용 필터장치의 종방향 단면도,1 is a longitudinal sectional view of a filter device for fuel filtration of an automobile;

도 2 는 부분 단면도로 도시된 필터 하우징의 평면도,2 is a plan view of the filter housing shown in partial cross-sectional view,

도 3 은 상기 필터장치의 중심부의 상세도를 도시한다.3 shows a detailed view of the central portion of the filter device.

Claims (9)

여과되지 않은 액체가 외부로부터 반경방향으로 유입되는 중공실린더형 필터 삽입체(6)와, 상승하는 액체 수위로 인하여 챔버내에 포집된 공기를 액체보다 먼저 배출시키기 위한 배출장치를 구비하는, 액체 여과를 위한 필터장치에 있어서,A liquid cylinder having a hollow cylinder filter insert 6 into which the unfiltered liquid flows radially from the outside and a discharge device for discharging the air trapped in the chamber before the liquid due to the rising liquid level. In the filter device for, 상기 배출장치는 중심부(11)의 단부(축방향으로 상부에 위치된)에 걸쳐서 동심으로 근접하게 위치된 캡(7)으로 구성되며, 상기 중심부(11)는 내부로 유입되는 공기에 대한 낮은 저항을 가지며 상기 액체에 대한 더 높은 저항을 가지는 소직경의 구멍을 구비하고, 상기 구멍(8)은 공기의 배출을 위하여 분리되어 구성된 출구채널(14)과 연결되는 것을 특징으로 하는 필터장치.The discharge device consists of a cap (7) located concentrically close to the end (located in the axial direction above) of the central portion (11), wherein the central portion (11) has a low resistance to air entering the interior. And a small diameter hole having a higher resistance to the liquid, the hole (8) being connected to an outlet channel (14) configured separately for the discharge of air. 제 1 항에 있어서,The method of claim 1, 상기 캡(7)은 중앙에서 외부로 볼록하며, 상기 구멍(8)은 상기 볼록부의 상부에 위치되는 것을 특징으로 하는 필터장치.The cap (7) is convex from the center to the outside, and the hole (8) is located in the upper portion of the convex filter device. 제 1 항 또는 제 2 항에 있어서,The method according to claim 1 or 2, 상기 필터장치는 상기 중심부(11)의 내부에 분리된 출구채널(14)을 구비하는 것을 특징으로 하는 필터장치.The filter device is characterized in that it comprises an outlet channel (14) separated inside the central portion (11). 제 1 항 또는 제 2 항에 있어서,The method according to claim 1 or 2, 상기 분리된 출구채널(14)은 상기 여과되지 않은 액체를 위한 액체 탱크와 연결되는 것을 특징으로 하는 필터장치.The separated outlet channel (14) is connected with the liquid tank for the unfiltered liquid. 제 1 항 또는 제 2 항에 있어서,The method according to claim 1 or 2, 상기 캡(7)내 구멍(8)의 직경은 0.3 내지 1.0 mm 범위에 있는 것을 특징으로 하는 필터장치.Filter diameter, characterized in that the diameter of the hole (8) in the cap (7) is in the range of 0.3 to 1.0 mm. 제 1 항 또는 제 2 항에 있어서,The method according to claim 1 or 2, 상기 상부 하우징 부분(2)에는 지지요소(16a,16b)가 축방향 스톱퍼로서 구비되는 것을 특징으로 하는 필터장치.The upper housing part (2) is characterized in that the support elements (16a, 16b) are provided as axial stoppers. 제 1 항 또는 제 2 항에 있어서,The method according to claim 1 or 2, 상기 캡(7)은 플라스틱으로 구성되고 상기 중심부(11)와 용접되는 것을 특징으로 하는 필터장치.The cap (7) is a filter device, characterized in that made of plastic and welded to the central portion (11). 제 1 항 또는 제 2 항에 있어서,The method according to claim 1 or 2, 상기 캡(7)은 플라스틱으로 구성되고 중심부(11)와 초음파용접되는 것을 특징으로 하는 필터장치.The cap (7) is a filter device, characterized in that made of plastic and ultrasonically welded to the central portion (11). 제 1 항 또는 제 2 항에 있어서,The method according to claim 1 or 2, 여과될 액체는 자동차의 내연기관용 연료인 것을 특징으로 하는 필터장치.And the liquid to be filtered is a fuel for an internal combustion engine of an automobile.
KR1019960014236A 1995-05-26 1996-05-02 Filter device KR100432955B1 (en)

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DE19519352A DE19519352C2 (en) 1995-05-26 1995-05-26 Filter arrangement

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BR9601734A (en) 1999-10-13
KR960040414A (en) 1996-12-17
DE19519352A1 (en) 1996-11-28
DE19519352C2 (en) 1997-08-07

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