CN101203291A - Whirlpool axial direction filtration system with self-purifying assistance filter device - Google Patents
Whirlpool axial direction filtration system with self-purifying assistance filter device Download PDFInfo
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- CN101203291A CN101203291A CNA2005800501574A CN200580050157A CN101203291A CN 101203291 A CN101203291 A CN 101203291A CN A2005800501574 A CNA2005800501574 A CN A2005800501574A CN 200580050157 A CN200580050157 A CN 200580050157A CN 101203291 A CN101203291 A CN 101203291A
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- filter
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- composite media
- fluid
- playpipe
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- 238000001914 filtration Methods 0.000 title claims abstract description 22
- 239000002131 composite material Substances 0.000 claims abstract description 19
- 238000000926 separation method Methods 0.000 claims abstract description 9
- 239000012530 fluid Substances 0.000 claims description 59
- 238000000746 purification Methods 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 11
- 239000000523 sample Substances 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 2
- 230000009969 flowable effect Effects 0.000 abstract 1
- 230000005484 gravity Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 24
- 230000004044 response Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005119 centrifugation Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 241001522296 Erithacus rubecula Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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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
- B01D29/31—Self-supporting filtering elements
- B01D29/33—Self-supporting filtering 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
- B01D29/68—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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Centrifugal Separators (AREA)
Abstract
A voraxial separation system having an auxiliary filtration apparatus (20) is disclosed for separating flowable composite media into components. The voraxial system receives a flowing stream of composite media and utilizes centrifugal force in voraxial separator (12) to separate the stream into component radial layers according to specific gravity so that one or more layers may be extracted from the stream. One or more layers is directed to the filtration apparatus (20) which includes an inlet (22), filtered media outlet (24) and unfilterd media outlet (24).
Description
Invention field
The present invention relates to be used for coming the system of separated flow material by centrifugation, described material comprises fluid and solid, and relate more specifically to a kind of voraxial filter system with auto purification filter apparatus, the filtration that this system is used to provide the upstream of material and/or downstream with separate.
Background technology
Whirlwind or whizzer have been applied in many application with based on proportion, these materials are identical or different physical states and a kind of fluid is separated from one other fluid, and are specifically used for lighter fluid is separated and gas is separated from fluid from heavy fluid.And, the solid that whizzer has been suitable for separating multiple different densities with solid is separated from fluid.
Inventor of the present invention helps the progress in the technology of the centrifugation that can mix and can not mixed media, as the U.S. Patent No. 5 of authorizing DiBella on May 18th, 1999, disclosed in 904,840, described disclosing by reference is herein incorporated as a part of this disclosure.The inventor of this aspect also helps to determine by the spectral response of measuring liquid mediums the characteristic and the concentration of material in the multicomponent media, as the U.S. Patent No. 5 of authorizing Anthony on August 3rd, 1991,489, disclosed in 980, described disclosing by reference is herein incorporated as a part of this disclosure.As disclosed in ' 840 patents, the content that merges provides a kind of voraxial piece-rate system, comprise pump installation, it sends the continuous mobile post of media from media supply, separating pipe, one post circulating medium is continuously by this separating pipe, make the composition media be separated into the device of a plurality of radial layer with the centrifugal force of enough speed in thereby conduit axis rotates the described post of described post, be used for optionally extracting one or more extraction tube duct device the radial layer from pipeline, for example being used for, the fluid of air is incorporated in the pipeline to change the by-pass collar of radial layer diameter, and probe, the spectrophotometer of supervision is provided, and automatic feedback device, it is used for measuring the composition medium contg when media enters and release separating pipe, and is used for the rotating speed of media and the speed of introducing from the fluid of bleeder means.Form with mechanism provides an alternative of bleeder means to be used to change the diameter of extraction tube duct device.
In fact for the centrifugal separation equipment of any kind, exist potentiality to flow middle conveying and pass through described separation equipment to maintain for material than a small amount of.Therefore, attempted the additional stage by adding centrifugation and/or improve the separative efficiency of such system by adding non-centrifugal filter device.Yet these trials obtain limited success.Have been found that predetermined substance is not exclusively to separate by the additional stage of centrifugal separation equipment.Have been found that also downstream filter is easy to stop up, thus need be for the time loss of safeguarding and purifying.
Therefore, but target of the present invention is to provide a kind of circulating medium voraxial piece-rate system, this system separate one or more fluids by centrifugal separating device and/or have different specific weight and/fluid of density, wherein increased separative efficiency by the auto purification filter system, described auto purification filter system is particularly suitable for catching one or more materials and discharges the material of catching in response to filter load.
Another target of the present invention is to provide a kind of voraxial system, and wherein non-centrifugal filter is revised as auto purification.
A target more of the present invention is to provide a kind of voraxial system, wherein the auto purification round robin in filter load by periodically or control continuously.
A target more of the present invention is to provide a kind of auto purification tubular filter with inner radial rotary-jet pipe, and described playpipe is used for using the purification tubular filter by the selectivity of pressure fluid.
Another target of the present invention is to provide a kind of auto purification tubular filter with inner radial rotary-jet pipe, described playpipe is used for using the purification tubular filter by the selectivity of pressure fluid, and wherein pressure fluid can comprise gas-pressurized and pressure fluid.
Another target of the present invention is to provide a kind of auto purification tubular filter with inner radial rotary-jet pipe, described playpipe is used to purify tubular filter, thereby wherein playpipe produces eddy current to realize the meticulousr separation of material with the enough revolution rotations of per minute in tubular filter.
From consideration to subsequently specification and accompanying drawing, further target of the present invention and to name a person for a particular job be tangible.
Summary of the invention
The present invention has realized above-mentioned target, and other target, as by those of ordinary skills by can be by to the clearly reading of whole specification with understand determined.
A kind of voraxial piece-rate system is disclosed, have: (1) carries the pump installation of the continuous-flow post of media from media supply: (2) separating pipe, thereby thereby the circulating medium post makes post make the composition media be separated into a plurality of radial layer at the centrifugal force of enough speed in the axis rotation post of pipeline by this separating pipe continuously; (3) be used for optionally extracting one or more extraction tube duct device of radial layer from pipeline; (4) be used for the fluid of for example air is introduced the optional by-pass collar of pipeline with the diameter of change radial layer; (5) pop one's head in, provide the spectrophotometer and the automatic feedback device of supervision, it is used for measuring the composition medium contg and is used to regulate the rotary speed of media and the speed of introducing from the bleeder means fluid when media enters and withdraw from separating pipe; And (6) have the auxiliary filtration apparatus of general cylindrical filter and be connected to the rotation internal spray pipe of source of pressurised fluid, and be used for the electronic control system in response to the rotating speed of filter load rate control internal spray pipe.
But auxiliary filtration apparatus comprises the pipeline with basic circulating medium inlet, qualification is arranged on the cylindrical filter of the cardinal principle hollow of the porose filtering surface in the pipeline, wherein the outside of cylindrical filter comprises that but the inside of upstream filter inlet and cylindrical filter comprises outlet of upstream filter downstream filter and the basic circulating medium outlet that is communicated with this filter interior fluid.Elongated playpipe is arranged on the inner basic inner radial surface near filter of tubular filter.The playpipe fluid is connected to source of pressurised fluid and limits a plurality of jet exits, the direction setting that this outlet is radially outside, thus pressure fluid is guided to the filter that has purified concentrated material on the cylindrical filter from filter interior.Playpipe dispose rotary drive system be used to walk around filter inner peripheral wall automatically and the concentric rotation that drives of selectivity.Filter apparatus further comprises the spectrophotometer of concentrating and regulate in response to filter load the rotary speed of playpipe that monitors material on the filter.
Aided filter disclosed herein system preferably is used in the upstream together with basic voraxial piece-rate system, the centre, or in the downstream configurations so that the more effective separation of the composite media that can flow to be provided.This will be significantly, yet the aided filter system can be used as basic auto purification filtration system for widely applying.
Description of drawings
Together with following accompanying drawing, a plurality of other targets of the present invention, advantage and feature will be tangible for those of ordinary skill from following discussion, in the described accompanying drawing:
Fig. 1 is the perspective view of the voraxial separator with the auxiliary auto purification filter (rotation does not drive) that connects in the downstream according to a preferred embodiment of the invention.
Fig. 2 is the side view of voraxial separator shown in Fig. 1 and auto purification filter.
Fig. 3 is the side view of voraxial separator shown in Fig. 1 and auto purification filter;
Fig. 4 is its partial section of expression after-filter in detail;
Fig. 5 is the perspective view of the voraxial separator with the auto purification filter (rotation does not drive) that connects in the downstream according to a preferred embodiment of the invention;
Fig. 6 is the perspective view that is used for the cylindrical filter that uses together with after-filter according to of the present invention;
Fig. 7 is the perspective view of replacement structure with voraxial separator of the auxiliary auto purification filter that connects in the downstream;
Fig. 8 is the perspective view according to auto purification filter of the present invention;
Fig. 9 illustrated the monitoring material on filter gathering and regulate the spectrophotometer assembly of the rotary speed of playpipe in response to filter load;
Figure 10 has illustrated the after-filter that is configured to the second stage filter element in the system with three voraxial filters;
Figure 11 has illustrated and has entered and exported flow path according to after-filter of the present invention;
Figure 12 is its sectional view;
Figure 13 is its detailed sectional view;
Figure 14 is a partial cross section perspective view of describing the entrance and exit flow path;
Figure 15 describes the block diagram that fluid flows;
Figure 16 describes the schematic block diagram that fluid flows and controls; With
Figure 17 is the control schematic diagram.
The specific embodiment
With reference to accompanying drawing, Fig. 1-17 describes a kind of voraxial filter system that adapts with the auto purification after-filter, described system is suitable for based on proportion a kind of fluid being separated from another kind, no matter whether those materials have identical or different physical states, and be particularly suitable for separating lighter fluid, and from the fluid divided gas flow from heavy fluid.And the voraxial piece-rate system that auto purification filter of the present invention and auxiliary adapts is applicable to the solid of separation variation density and/or from the fluid separating solids.
Voraxial separator
Fig. 1-5 has described voraxial piece-rate system and after-filter according to a preferred embodiment of the invention, represents with 10 generally.But system 10 comprises the voraxial separator 12 with the inlet 14 that is communicated with the pressurized source fluid of circulating medium.But voraxial separator 12 comprises the equipment that centrifugal force is separated into circulating medium its component that relies on.An example of such equipment is disclosed in the U.S. Patent No. 5,904,840 of authorizing DiBella, and the disclosure of this patent is by being incorporated herein by reference.Voraxial separator 12 comprises extracts outlet 16, but when the inner vanes in the separator 12 caused the circulating medium rotation, this extraction outlet was used for optionally extracting the one or more radial layer that form by centrifugal force.Voraxial separator 12 also comprises outlet 18.Voraxial separator 12 can comprise that also the fluid that is used for for example air is incorporated into the bleeder means of pipeline with the diameter of change radial layer, with probe, the spectrophotometer that supervision is provided and automatic feedback device, this automatic feedback device is used for measuring the component medium contg when media enters and withdraw from separating pipe and is used to regulate the rotary speed of media and the speed of introducing from the fluid of bleeder means.
After-filter
An importance of the present invention relates to generally the use with 20 after-filters of representing, to increase the efficient of voraxial separator 12.More specifically, the present invention conceive use the auto purification filter apparatus 20 with external cylindrical housing 21, external cylindrical housing comprise inlet 22 and respectively with 24 and 26 represent first and second export.Inlet 22 is communicated with outlet 18 fluids of voraxial separator 12 by conduit 19.First outlet 24 is configured in the downstream of the internal ramp in the equipment of being included in 20, and therefore can be described as filtering outlet.Second outlet 26 is configured to accept bypass and crosses flowing of internal ramp in the equipment of being included in 20, and therefore can be described as the bypass outlet.
Fig. 4 has described the sectional view of filter apparatus 20 and has more clearly described housing 21, inlet 22, filtering outlet 24 and bypass outlet 26.As shown here, but the circulating medium of pressurization 22 enters filter apparatus 20 by entering the mouth.Filter apparatus 20 comprises the internal cylindrical filter 30 with the wall that limits a plurality of holes.Fig. 6 provides the detailed view of cylindrical filter 30, and described cylindrical filter generally includes cylindrical body, and cylindrical body has the sidewall that limits a plurality of holes, is used to allow size to pass less than the material in described hole.In alternate embodiment, cylindrical filter 30 can comprise gauze filter, perhaps with reference to any other suitable filtration device structure of figure 4, pass the hole in the cylindrical filter 30 and withdraw from filter apparatus 20 through filtering outlet 24 but enter inlet 22 circulating medium or its part, this filtering outlet 24 is by the internal fluid communication of elbow conduit 32 with cylindrical filter 30.Bypass outlet 26 is arranged to optionally discharge the material of being caught by cylindrical filter 30, as more being described in detail here.
As described herein, filter apparatus 20 is auto purifications.With reference now to Figure 12 and 13,, filter apparatus 20 illustrates with the cutaway view that the inherent filtration feature is shown best.Figure 12 has described the cutaway view of filter housings 21, it clearly show that cylindrical filter 30, and described cylindrical filter 30 is axially disposed within filter housings 21 inside makes the inside (downstream of having filtered) of cylindrical filter 30 be communicated with outlet 24 fluids by pipeline 32.Figure 13 has described the cutaway view of filter housings 21, thereby it is clearly shown that the cutaway view of cylindrical filter 30 illustrates the internal spray pipe of representing with 40, and described playpipe is used for automatically and polishing filter 30 periodically.Playpipe 40 comprises the elongated tubular construction with a plurality of spray-holes, and described spray-hole is oriented outwards to be guided to the injection of pressure fluid on the filter 30 from its inner radial.In order to realize it, playpipe 40 is by pressure fluid inlet 42 and for example water, air, or the pressure fluid source fluid of any other suitable fluid is communicated with.As illustrating best among Fig. 4,, fluid is preferably more than the pressure that circulating medium enters inlet 22 but entering the pressure of inlet 42.And, playpipe 40 is connected to the rotary drive system of representing with 44, thereby described rotary drive system is used for removing the material of collecting on the filter 30 on rotary-jet pipe 40 optionally radially outward is directed to cylindrical filter 30 with the injection with pressure fluid the surface, inside.Rotary drive system 44 can comprise electro-motor, stepper motor for example, or any other is suitable electronic, pneumatic, or fluid motor and/or other power source.As will be apparent, the injection of pressure fluid is directed to the media flow that cylindrical filter 30 makes the materials of removing sneak into to withdraw from filter apparatus outlet 36 from cylindrical filter 30 inside, the material of described removal and media flow can be processed be fallen or through extra filtration stage.On the contrary, but allow to flow through the part of the circulating medium of filter 30, the stream that has promptly filtered withdraws from filter apparatus 20 through filtering outlet 24.
In preferred embodiment shown in Figure 9, detect and control appliance 50 comprises probe 52 in the conduit 21 that is installed in filter apparatus 20, wherein pop one's head in and 52 be arranged to the optical scanning signal is started the 30 reception optical scanning signals to filter 30/ from filter.Probe 52 is electrically connected to by low voltage electrical conductors 54 and detects and control appliance 50.And control appliance 50 comprises being used to detect from 52 data that receive of popping one's head in also measures the spectrophotometer that accumulates in the component medium on the filter 30.Control appliance 50 also is suitable for starting rotary drive system 44 and comprises control valve, and described control valve is in response to guiding to inlet 452 by the 52 Data Control pressure fluids about the material concentration degree on the filter 30 in the filter apparatus 20 that obtain of popping one's head in.
The rotation that has been found that the higher relatively revolutions per minute of playpipe 40 causes the rotation of the fluid in the filter 30, thereby produces the centrifugal effect of voraxial on the bodies for purifying fluids that acts in the cylindrical filter 30.Further cause the active of filter wall to be stirred from the combined effect of the high speed rotation of the pressurized fluid jets of playpipe 40 discharging and playpipe 40, in voraxial acts on cylindrical filter 30, produce in the area of low pressure, pressurized jet is fluid and the material filter wall that radially blows off, thereby attracts fluid to enter filter inlet 22 towards filter 30.
Figure 15 is a block diagram of describing an application, wherein water and impurity 22 enter filter 20 by entering the mouth, and pressure fluid (being forced air) produces eddy current in cylindrical filter 30, make the water and air that has filtered be removed, and contaminated water and some air are removed from exporting 26 from exporting 24.Figure 16 is block diagram and control schematic diagram, and wherein detection and voraxial control appliance 50 are used for the introducing of the forced air of filter cleaning process by control valve control.
Aided filter disclosed herein system preferably is used in the upstream together with main voraxial piece-rate system, the centre, or in the downstream configurations so that the more effective separation of the composite media that can flow to be provided.Yet as conspicuous, the aided filter system can be used as main auto purification filtration system for widely applying.
Here, be considered to shown in the most practical and the preferred embodiment and describing the present invention.Yet, should be appreciated that within the scope of the invention and can depart from these embodiment, and those of ordinary skills can expect the improvement of tangible structure and/or function.
Claims (6)
1. the composite media that is used for flowing is separated into the system of its composition, and described system comprises:
Carry the pump installation of the mobile stream of composite media, described composite media comprises at least the first composition media and the second composition media;
The separating pipe that the mobile stream of described composite media passes through;
A kind of device, be used for making can flow the described stream of composite media around the axis of described separating pipe with enough rotating speed rotations, make centrifugal force in the described stream cause the radial layer of described component separation composition;
Extract pipe guide, be used for optionally extracting the one or more of described radial layer from described separating pipe;
Monitor and automatic feedback device, be used for when described composite media enters and withdraws from described separating pipe, measuring the described composition medium contg of described composite media and the rotary speed that is used to regulate described media;
Described supervision and automatically feedback device comprise extending into to be used to collect about the probe apparatus of the data of the described content of described composite media in the described media and to be connected to described probe apparatus and be used to receive and analyze described data and be used for the analyzer that control automatically is applied to the described rotary speed of described composite media; And
With at least one after-filter that described separating pipe fluid is communicated with, described after-filter has inlet, filtering outlet and non-filtering outlet.
2. according to claim 1ly be used to separate the system of composite media of can flowing, wherein said at least one after-filter comprises:
The general cylindrical housing that comprises the general cylindrical filter;
With inlet be arranged on the cylindrical housings of filtering outlet in the downstream of described filter with the upstream that is arranged on described filter.
3. according to claim 2ly be used to separate the system of composite media of can flowing, wherein said after-filter comprises the auto purification device that is used to purify described cylindrical filter.
4. according to claim 3ly be used to separate the system of composite media of to flow, wherein said auto purification device comprises the elongated playpipe that is arranged in the described cylindrical filter, described playpipe is communicated with the pressure fluid source fluid and has a plurality of holes, and described hole is oriented to be guided to pressure fluid on the described cylindrical filter.
5. according to claim 4ly be used to separate the system of composite media of to flow, also comprise the device that is used for the described playpipe of rotation in described cylindrical filter.
6. according to claim 5ly be used to separate the system of composite media of can flowing, also comprise:
Monitor and automatic feedback device, be used to measure the concentrating of composition medium contg of the described composite media on the described cylindrical filter, and be used to start and control the rotating speed of described playpipe, and fluid is communicated with between described playpipe and described source of pressurised fluid;
Described supervision and automatically feedback device comprise that extending into described at least one after-filter is used to collect probe apparatus about the described concentrated data of the described media on the described cylindrical filter, with be connected to described probe apparatus and be used to the analyzer that receives and analyze described data and be used for controlling automatically the described rotary speed of described playpipe, and fluid is communicated with between playpipe and described source of pressurised fluid.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2005/012614 WO2006112820A1 (en) | 2005-04-14 | 2005-04-14 | Voraxial filtration system with self-cleaning auxiliary filtration apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101203291A true CN101203291A (en) | 2008-06-18 |
Family
ID=37115428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005800501574A Pending CN101203291A (en) | 2005-04-14 | 2005-04-14 | Whirlpool axial direction filtration system with self-purifying assistance filter device |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1874428A4 (en) |
| CN (1) | CN101203291A (en) |
| AU (1) | AU2005330723A1 (en) |
| BR (1) | BRPI0519990A2 (en) |
| CA (1) | CA2612308A1 (en) |
| WO (1) | WO2006112820A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201703110D0 (en) | 2017-02-27 | 2017-04-12 | Gm Innovations Ltd | An apparatus for seperating components of a fluid stream |
| GB2572331B (en) | 2018-03-26 | 2022-03-09 | Gm Innovations Ltd | An apparatus for separating components of a fluid stream |
| GB2573116B (en) | 2018-04-24 | 2022-11-30 | Gm Innovations Ltd | An apparatus for producing potable water |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4297209A (en) * | 1980-04-04 | 1981-10-27 | Dover Corporation | High solids filter |
| US4778443A (en) * | 1987-03-25 | 1988-10-18 | Fluor Corporation | Gas-oil-water separation system and process |
| FR2677264A1 (en) * | 1991-06-06 | 1992-12-11 | Beaudrey & Cie | ROTARY WASHING RAMP FILTER. |
| FR2677265A1 (en) * | 1991-06-06 | 1992-12-11 | Beaudrey & Cie | Filter with stationary strainer |
| US5667683A (en) * | 1992-06-17 | 1997-09-16 | Benian Filter Company, Inc. | Backwashable liquid filter system using rotating spray |
| DE59403543D1 (en) * | 1993-11-03 | 1997-09-04 | Buehler Ag | Separator |
| US5603825A (en) * | 1994-07-18 | 1997-02-18 | Costinel; Paul | Multi-stage apparatus for separating immiscible fluids |
| AUPN295995A0 (en) * | 1995-05-15 | 1995-06-08 | Filtration Engineering Pty Ltd | Apparatus & method for backwashing fluid filter systems |
| DE19653269C1 (en) * | 1996-12-20 | 1998-04-02 | Honeywell Ag | Filter unit with reverse flushing |
| US5904840A (en) * | 1998-04-06 | 1999-05-18 | Dibella; Alberto | Apparatus for accurate centrifugal separation of miscible and immiscible media |
-
2005
- 2005-04-14 CA CA002612308A patent/CA2612308A1/en not_active Abandoned
- 2005-04-14 WO PCT/US2005/012614 patent/WO2006112820A1/en active Application Filing
- 2005-04-14 CN CNA2005800501574A patent/CN101203291A/en active Pending
- 2005-04-14 AU AU2005330723A patent/AU2005330723A1/en not_active Abandoned
- 2005-04-14 BR BRPI0519990-5A patent/BRPI0519990A2/en not_active IP Right Cessation
- 2005-04-14 EP EP05736404A patent/EP1874428A4/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EP1874428A4 (en) | 2010-06-02 |
| BRPI0519990A2 (en) | 2011-05-17 |
| AU2005330723A1 (en) | 2006-10-26 |
| CA2612308A1 (en) | 2006-10-26 |
| EP1874428A1 (en) | 2008-01-09 |
| WO2006112820A1 (en) | 2006-10-26 |
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Open date: 20080618 |