CN101641143A - Back-washable filter with induction element - Google Patents

Back-washable filter with induction element Download PDF

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Publication number
CN101641143A
CN101641143A CN200680056160A CN200680056160A CN101641143A CN 101641143 A CN101641143 A CN 101641143A CN 200680056160 A CN200680056160 A CN 200680056160A CN 200680056160 A CN200680056160 A CN 200680056160A CN 101641143 A CN101641143 A CN 101641143A
Authority
CN
China
Prior art keywords
filter
prefilter
plugging part
housing
induction element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN200680056160A
Other languages
Chinese (zh)
Inventor
B·米科兹尼克
M·诺沃特尼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Garrett Motion SARL
Original Assignee
Honeywell Technologies SARL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honeywell Technologies SARL filed Critical Honeywell Technologies SARL
Publication of CN101641143A publication Critical patent/CN101641143A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D29/668—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with valves, e.g. rotating valves for coaxially placed filtering elements
    • 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
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • B01D29/682—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with a rotary movement with respect to the filtering element
    • 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
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
    • 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
    • B01D29/906—Special treatment of the feed stream before contacting the filtering element, e.g. cutting
    • 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

Abstract

The present invention relates to be used in a kind of water system of especially being in the back-washable filter (1) of filter liquide, wherein, filter (1) comprises one or more elements (induction element 51) that flow in one direction in order to guiding liquids, and the direction that induction element (51) puts on liquid is the circular trace direction or the hand of spiral.

Description

Back-washable filter with induction element
Technical field
The present invention relates to be used in a kind of water system of especially being in the back-washable filter of filter liquide.
Background technology
The invention particularly relates to a kind of so back-washable filter, it comprises a main filter, and liquid flows through this main filter in the normal running of filter and in the backwash operation of filter.In addition, such filter also has a prefilter, and this prefilter is through-flow in backwash operation.Filter comprises a movable part (crossing current parts) that is used to produce crossing current, and it directly is arranged in the front of prefilter and/or main filter at least a portion, to purify them in normal running and/or backwash operation.The crossing current parts comprise some actuated elements, and these actuated elements can be loaded flowing to drive the crossing current parts of liquid.
This type of back-washable filter especially is disclosed in the document that publication number is DE102005004552A1.In the disclosed here back-washable filter, main filter ecto-entad in normal running is through-flow, and through-flow from inside to outside in backwash operation.Movably main filter deployment has a prefilter, and it guarantees that in backwash process filtering function is uninterrupted.Between the inlet and main filter of filter, be furnished with parts from the shutoff prefilter that enters the mouth, for the purpose of backwash, these parts can be opened or move.Like this, liquid just ecto-entad be directed prefilter.Because the inner chamber of prefilter and the inner chamber of main filter are connected to each other, and therefore, are imported into the inside of main filter via the prefilter filtered liquid.In order to purify main filter, liquid outwards guides via main filter subsequently.Purification can be strengthened by a spray or injection apparatus (impeller), and this device is rotatably supported in the inner chamber of main filter.
In document DE102005004552A1, be provided with the crossing current parts to purify prefilter, these crossing current parts can be by means of actuated element mounted thereto mobile driving the by liquid wash stream.
The function of the invention performance of describing in the described document is quite reliable basically, and gratifying purification result is provided.But, practice shows, under very disadvantageous mode of operation, the driving of implementing by the crossing current parts may be not enough to allow the crossing current parts produce motion stable and that determine, especially when producing extra frictional force because there being unusual strong particle load on the supporting mass of crossing current parts.The present invention has just been proposed thus.
Summary of the invention
Problem to be solved by this invention is, so regulates flowing in the filter, effectively and reliably drives the drive disk assembly of the parts that flow over activation.
The problem that the present invention endeavours to solve can at first be passed through the filter of claim 1 and/or pass through the filter solution of claim 2.In view of the above, filter of the present invention comprises one or more elements, promptly so-called induction element, and in order to guiding liquids flowing in one direction, wherein to put on the direction of liquid be the circular trace direction or the hand of spiral to induction element.If this direction is applied on the liquid flow, then have this liquid flow that applies direction be particularly useful for to the crossing current parts driving.
As an alternative, especially in other structure design of crossing current parts, make filter comprise that one or more elements (induction element) are just enough, this element is applicable to and is configured to guiding liquids and flows on the direction of the actuated element of crossing current parts at one.
According to the present invention, the prefilter of filter of the present invention can be configured to hollow cylinder.The crossing current parts then are arranged in the front of prefilter.Each actuated element of crossing current parts can be arranged on the circular trace or each section of a circular trace on.
Filter of the present invention can have a housing, and it surrounds main filter, prefilter and crossing current parts.
Filter can have the parts (plugging part) that are used at the liquid shutoff prefilter in the normal running inflow filter.Induction element can be installed on one first plugging part in the described plugging part or with this plugging part one and be connected.Equally, induction element can be arranged on the inwall of housing.Induction element advantageously is arranged in the space between the housing and first plugging part or stretches in this space.
According to the present invention, induction element can with housing and the one or more passages of first plugging part, one isostructure.These passages and/or induction element can be configured to spirality.
The spiral that passage and/or induction element constitute can have 190 °-250 ° angular region, but preferred 210 ° 270 ° angle.In the exit region of channel output end, spiral can have 0 °-20 ° lift angle.That is to say that liquid almost flows out from passage on circular trace.
Passage can be the 25%-50% of the first plugging part diameter at the exit width of output, but 29%-36% preferably.
Filter preferably has two induction elements of arranging symmetrically.These two induction elements and first plugging part and housing together constitute two passages.
The prefilter of filter of the present invention is movably, to be transformed into backwash operation from normal running.First plugging part can be configured to bell, and prefilter can move in first plugging part in normal running, and shifts out from first plugging part in backwash operation.
One second plugging part can preferably be passed through in the space between prefilter and housing on the one hand, and the space between main filter and housing on the other hand in backwash operation and one the 3rd plugging part is separated from one another.
The inlet of filter in normal running advantageously directly with housing and main filter between the space be connected, and the space between direct and housing and the prefilter is connected in backwash operation.
Description of drawings
Further aspect of the present invention and advantage will be clearly visible by means of the explanation of with reference to the accompanying drawings preferred embodiment.Wherein:
Fig. 1 shows the partial sectional view that dissects by filter of the present invention in the normal running;
Fig. 2 shows the thin portion cutaway view of Fig. 1 filter upper area;
Fig. 3 shows has another thin portion that other cuts the upper area of part open;
Fig. 4 shows the thin portion of filter lower area in the normal running;
Fig. 5 shows the partial sectional view of Fig. 1 to 4 filter in the backwash operation;
Fig. 6 shows the thin portion of filter upper area in the backwash operation;
Fig. 7 shows in the backwash operation the thin portion that other cuts the filter of part open that has corresponding to Fig. 6;
Fig. 8 shows the thin portion of filter lower area in the backwash operation.
The specific embodiment
Filter of the present invention 1 shown in Fig. 1 to 8 has accessory (Armatur) 10, and it can be connected with the pipeline of presenting or continue to carry with outlet pipe connection 13 by inlet tube joint 11.The entrance area 12 and the exit region 14 of accessory are separated from each other.Be connected with a pressure gauge on the measuring tube joint 16 in exit region, with the pressure of the monitoring port of export.In addition, in arrival end zone 12, be furnished with a pipe joint 17, connecting another pressure gauge or other measuring instrument is monitored inlet, but this pipe joint is sealed by a stopper 140 in this example.
In addition, accessory 10 also has a filter tube joint 15, and the housing 20 that to be connected with a form on it be filter cup is as common in known filter.Housing 20 has a backwash outlet 21, and by this backwash outlet 21, water can flow out from filter in backwash operation.In backwash outlet 21, be furnished with a ball valve 30 to seal outlet 21.Ball valve 30 and ball valve 30 being configured in this and designing in backwash outlet 21 with general type and mode.
The outlet 14 of accessory 10 is connected with the inner chamber of housing 20 by the pipe joint 18 that stretches in the filter tube joint 15.On this pipe joint 18, be connected with first plugging part 50.This plugging part is configured to bell and can through-flow from bottom to top (especially seeing Fig. 3).The upper end of the removable filter core 80 of filter 1 is arranged in first plugging part.Filter core 80 has a ring 85 for this reason in the top, and it is guided in bell plugging part 50.Filter core 80 has bottom 83 in its lower end, pivot pin 84 is formed on this bottom 83.This pivot pin 84 is movably disposed within the ring 111 of support unit 110.This ring 111 constitutes an axle sleeve, and pivot pin 84 is supported on wherein.The ring 111 of support unit 110 is connected with housing 20 in the zone of backwash outlet 21.In addition, filter core is led by guiding parts 120 in the lower area of housing 20, this guiding parts 120 has a ring 121, its in the normal running of filter 1 with the outside acting in conjunction of filter core bottom 83, export 21 zones with the backwash of shutoff accessory 10 through-flow volumes.The wedge-shaped element 122 that points to backwash outlet 21 is fixed on the ring 121.At this, each wedge-shaped element 122 is fixed on the inboard of ring and moves past tense guiding filter core 80 toward backwash outlet 21 at filter core 80 in backwash operation with proportional spacing each other.Because the bottom 83 that is connected with filter core 80 is removed from ring 121 equally, therefore just in backwash operation, realized passing through intermediate space through-flow between each wedge-shaped element 122 here.Guiding parts 120 remains in the lower area of housing 20 by support unit 110.
In the lower area of filter 1, filter core 80 withstands on the spring 130.For this reason, spring 130 is arranged between the downside and support unit 110 of bottom 83.The so pre-tensioning of spring, so that the filter core pressurized that makes progress.What illustrate here is filter core residing position in the normal running of filter 1.
Filter core can be divided into two zones, the i.e. zone of the zone of prefilter 81 and main filter 82 between bottom 83 and last ring 85.The area arrangements of prefilter is on the top of filter core, and is positioned at first plugging part 50 in normal running fully.And main filter is located in the lower area of filter core 80.
Between the zone of the zone of prefilter 81 and main filter 82, second plugging part 60 is fixedlyed connected with filter core.Second plugging part 60 is that L shaped ring constitutes by the cross section, and it is arranged on the outside of the filter core 80 that is substantially hollow circuit cylinder.This second plugging part in the normal running of filter 1 and 50 actings in conjunction of first plugging part and anti-sealing enter in the space between first plugging part 50 and the prefilter 81.And in backwash operation, second plugging part 60 and 70 actings in conjunction of the 3rd plugging part are arranged in the inboard of housing 20 the 3rd plugging part 70 circular structures.In backwash operation, second plugging part and the acting in conjunction of the 3rd plugging part 70 have prevented between housing 20 and the prefilter 81 that the direct of space is connected between the space and housing 20 and main filter 82.
Crossing current parts 100 are arranged between first plugging part 50 and the prefilter 81, in order to directly to produce crossing current before the part of prefilter 81.These crossing current parts have the shape of the hollow frustum of a cone, and it is arranged on second plugging part 60 rotationally.Crossing current parts 100 can together move with the filter core 80 and second plugging part 60.The crossing current parts have in form and are the actuated element of turbo blade 101, and it causes rotation in filter 1 backwash operation when through-flow.
In addition, the crossing current parts have two elements 102, and they will flow over and guide prefilter 81, call director element 102 in the following text.Director element 102 is formed on the ring 103 with putting toward each other, and turbo blade 101 also is formed on the ring 103.Director element 102 has recessed inner surface, and it abuts on the prefilter 81.In this recessed inner surface, respectively introduce a passage.This passage continues to pass ring 103, and the lower end ends at the top of second plugging part 60.Plugging part 60 has some holes in the collar 61 (Fig. 7) that extends perpendicular to filter core 80, the passage of crossing current parts ends at these holes.The other end of passage ends in the director element 102, and No way out.The liquid of prefilter 81 inside can pass in prefilter 81 flow channels.Subsequently, liquid guided hole in ring 103 and the collar 61 through passage, so liquid just can flow through second plugging part 60.Therefore, in backwash operation, liquid stream can pass the inside that prefilter 81 enters prefilter 81 from the space outerpace of prefilter 81, from the inside of prefilter 81 pass once more prefilter 81 enter the crossing current parts 100 passage.Afterwards, liquid can go into to surround in the space of main filter 82 from the orifice flow of passage in the collar 62 of second plugging part, flows to backwash outlet 21 again.By through prefilter 81 in the admission passage of the inside of prefilter backflow and flow through the crossing current of passage along the outer surface of prefilter 81, can discharge and wash off the particle of prefilter 81.This has been described in detail among the document DE2005004552A1.
Induction element 51 is housed on the outside of first plugging part 50.These induction element 51 spiralitys ground is around the bell body of first plugging part 50 and mounted thereto, or preferred Construction integration with it.The spiral that is made of induction element 51 is tapered along through-flow direction.Therefore, the liquid at spiral outlet place is assigned to a direction, and this direction is almost perpendicular to the main flow direction of scouring media.In order to avoid the water conservancy diversion contour edge, spiral outlet can have about 5 ° to 20 ° residue inclination angle.
Two induction elements structure during with respect to the axis bobbin of first plugging part, 50 bell bodies with claiming.By induction element, flow into liquid in the intermediate space between first plugging part 50 and the housing 20 not only along the vector acceleration of aiming at turbo blade 101 orientations, but also be loaded with inside vortex.In backwash operation, this vector makes the turbo blade 101 of crossing current parts 100 meet stream (becoming a mandarin) preferably.Simultaneously, by the inside vortex of liquid, realized preferably from the power transmission of the liquid that becomes a mandarin to turbo blade 101.Therefore, just can guarantee under each mode of operation of backwash operation Continuous Drive crossing current parts 100 fully.And in the normal running of backwash device 1, need not to produce vortex with induction element 51.
Rotatably support the impeller 90 with nozzle 91 in filter core 80, and the function of nozzle is disclosed among the DE2005004552A1.

Claims (21)

1, the back-washable filter (1) that is used for filter liquide in a kind of water system of especially being in, it is characterized in that, this filter (1) comprises one or more elements (induction element 51) that flow in one direction in order to guiding liquids, and the direction that induction element (51) puts on liquid is the circular trace direction or the hand of spiral.
2, be used for the back-washable filter (1) of filter liquide in a kind of water system of especially being in especially as claimed in claim 1, wherein, this filter comprises following feature:
Filter (1) comprises a main filter (82), and liquid flows through this main filter in the normal running (Fig. 1 to 4) of filter (1) and in the backwash operation (Fig. 5 to 6);
Filter (1) comprises a prefilter (81), and this prefilter is through-flow in backwash operation (Fig. 5 to 6);
Filter comprises a movable part (crossing current parts 100) that is used to produce crossing current, it directly is arranged in the front of prefilter (81) at least a portion and/or the front of main filter (a 82) part, to purify them in normal running and/or backwash operation;
Crossing current parts (100) comprise actuated element (101), and these actuated elements can be loaded flowing to drive crossing current parts (100) of liquid;
Filter (1) comprise one or more in order to guiding liquids at an element (induction element 51) that flows on the direction of actuated element (101).
As claim 1 and 2 described filters, it is characterized in that 3, prefilter (81) is the hollow circuit cylinder structure.
4, filter as claimed in claim 3 is characterized in that, crossing current parts (100) are arranged in the front of prefilter (81).
5, as claim 3 or 4 described filters, it is characterized in that, each actuated element (101) of crossing current parts (100) be arranged on the circular trace or each section of a circular trace on.
As the described filter of one of claim 2 to 5, it is characterized in that 6, filter (1) has a housing (2), this housing surrounds main filter (82), prefilter (81) and crossing current parts (100).
As the described filter of one of claim 2 to 6, it is characterized in that 7, filter (1) has the parts (plugging part 50,60) that are used at the liquid shutoff prefilter in the normal running inflow filter.
8, filter as claimed in claim 7 is characterized in that, induction element (51) is installed on one first plugging part in the described plugging part or with this first plugging part and links into an integrated entity.
As claim 6 and claim 7 or 8 described filters, it is characterized in that 9, induction element (51) is arranged in the space between housing (2) and first plugging part (50).
10, filter as claimed in claim 9 is characterized in that, induction element (51) and housing (2) and the one or more passages of first plugging part (50) one isostructures.
11, filter as claimed in claim 10 is characterized in that, the channels configuration spirality.
As the described filter of one of claim 1 to 11, it is characterized in that 12, induction element (51) is configured to spirality.
As claim 11 or 12 described filters, it is characterized in that 13, the spiral that passage and/or induction element (51) constitute has 190 °-250 ° angular region, preferred 210 °-270 ° angle.
As the described filter of one of claim 11 to 13, it is characterized in that 14, spiral has 0 °-20 ° lift angle at least in the exit region of channel output end.
As the described filter of one of claim 10 to 14, it is characterized in that 15, passage is the 25%-50% of first plugging part (50) diameter, preferably 29%-36% at the exit width of output.
As the described filter of one of claim 1 to 2, it is characterized in that 16, filter (1) has two induction elements of arranging symmetrically (51).
As the described filter of one of claim 2 to 16, it is characterized in that 17, prefilter (81) is movably, to be transformed into backwash operation from normal running.
As the described filter of one of claim 7 to 17, it is characterized in that 18, first plugging part (50) is configured to bell.
As claim 17 and 18 described filters, it is characterized in that 19, prefilter (81) moves in first plugging part, and shifts out at least in part from first plugging part (51) in backwash operation in normal running.
20, as the described filter of one of claim 6 to 19, it is characterized in that, the space between prefilter (81) and housing (2) on the one hand, and the space between main filter (82) and housing (2) on the other hand are separated from one another in backwash operation.
21, as the described filter of one of claim 6 to 20, it is characterized in that, the inlet (12) of filter (1) is connected with space between housing (2) and main filter (8) in normal running, and in backwash operation directly and the space between housing (2) and prefilter (81) be connected.
CN200680056160A 2006-10-20 2006-10-20 Back-washable filter with induction element Pending CN101641143A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2006/010145 WO2008046442A1 (en) 2006-10-20 2006-10-20 Backwashable filter unit having guide elements

Publications (1)

Publication Number Publication Date
CN101641143A true CN101641143A (en) 2010-02-03

Family

ID=38110475

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200680056160A Pending CN101641143A (en) 2006-10-20 2006-10-20 Back-washable filter with induction element

Country Status (4)

Country Link
EP (1) EP2091627A1 (en)
CN (1) CN101641143A (en)
AU (1) AU2006349968A1 (en)
WO (1) WO2008046442A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103813843A (en) * 2011-05-06 2014-05-21 摩斯水电联合股份有限公司 Filter arrangement
CN106422463A (en) * 2016-10-26 2017-02-22 海宁市倍世环保科技有限公司 Pre-filter assembly capable of being back washed
CN108404486A (en) * 2017-02-10 2018-08-17 霍尼韦尔技术有限公司 Water filter device
CN109952137A (en) * 2016-10-12 2019-06-28 Hydac处理技术有限公司 Filter plant

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202016101180U1 (en) * 2016-03-04 2017-06-07 Hans Sasserath Gmbh & Co. Kg Reducer-filter assembly
CN112354252A (en) * 2020-10-26 2021-02-12 海宁市水享净水设备有限公司 Filter

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Publication number Priority date Publication date Assignee Title
DE1108186B (en) * 1958-09-27 1961-06-08 Beratung Fuer Neuzeitliche Tec Liquid filter
DE7631815U1 (en) * 1976-10-12 1977-01-27 Braukmann Armaturen Ag, Rothrist (Schweiz) RETURNABLE FILTER DEVICE
EP0025628A3 (en) * 1979-09-12 1981-07-22 NoeL, MARQUET & CIE société anonyme: Filter for liquids with automatic cleaning of the filtration element
ATE146095T1 (en) * 1994-12-24 1996-12-15 Honeywell Ag BACKWASHABLE FILTER DEVICE
CA2485227C (en) * 2002-05-30 2009-11-17 Kkj, Inc. Vortex enhanced filtration device and methods
DE102005004552B4 (en) 2005-01-31 2011-07-21 Honeywell Technologies Sarl Ecc Backwashable filter device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103813843A (en) * 2011-05-06 2014-05-21 摩斯水电联合股份有限公司 Filter arrangement
CN103813843B (en) * 2011-05-06 2017-06-09 摩斯水电联合股份有限公司 Filter
CN109952137A (en) * 2016-10-12 2019-06-28 Hydac处理技术有限公司 Filter plant
CN106422463A (en) * 2016-10-26 2017-02-22 海宁市倍世环保科技有限公司 Pre-filter assembly capable of being back washed
CN106422463B (en) * 2016-10-26 2018-08-28 海宁市倍世环保科技有限公司 The prefilter device assembly that can be backwashed
CN108404486A (en) * 2017-02-10 2018-08-17 霍尼韦尔技术有限公司 Water filter device

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Publication number Publication date
AU2006349968A1 (en) 2008-04-24
EP2091627A1 (en) 2009-08-26
WO2008046442A1 (en) 2008-04-24

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