CN101796267A - The wear strip that is used for centrifugal pump - Google Patents
The wear strip that is used for centrifugal pump Download PDFInfo
- Publication number
- CN101796267A CN101796267A CN200880105696A CN200880105696A CN101796267A CN 101796267 A CN101796267 A CN 101796267A CN 200880105696 A CN200880105696 A CN 200880105696A CN 200880105696 A CN200880105696 A CN 200880105696A CN 101796267 A CN101796267 A CN 101796267A
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- China
- Prior art keywords
- wear
- wear strip
- impeller
- cutter element
- strip
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/16—Sealings between pressure and suction sides
- F04D29/165—Sealings between pressure and suction sides especially adapted for liquid pumps
- F04D29/167—Sealings between pressure and suction sides especially adapted for liquid pumps of a centrifugal flow wheel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
- F04D7/045—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous with means for comminuting, mixing stirring or otherwise treating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of wear strip of using at centrifugal pump of being used for, it is configured to have at least one cutter element that is positioned at described wear strip endoporus place, described cutter element is positioned to clash into the cut edge of impeller blade and is orientated along the direction relevant with the impeller rotation, make the wear strip cutter element can collect the solid in the process fluid and hold them in the appropriate location, up to solid can be by till the impeller blade cutting, described wear strip cutter element further is configured to automatic sharpening.
Description
The cross reference of related application
The application is the temporary patent application sequence No.60/967 that requirement is filed on September 4th, 2007, the non-provisional application of 440 preference.
Technical field
The present invention relates to centrifugal pump, relate to the wear strip of the centrifugal pump with interior bore edges particularly, the endoporus edge configuration becomes to be used to cut solid.
Background technique
Centrifugal pump is configured to have pump case, and impeller is positioned in the described pump case so that rotation.In order to make the pump efficiency maximization, impeller is positioned to very close pump case internal surface to provide minimal tolerance between impeller and pump case.When using this pump processing to contain the fluid of solids content, solid can make pump case inside corrosion or wearing and tearing, thereby causes pump efficiency to reduce.
Wear strip is positioned between impeller and the pump case internal surface in that the pump industrial field is known, makes wear strip stand the corrosive action of solid.Wear strip can be easy to change when wearing and tearing, but not attempts repairing or changing pump case.The centrifugal pump of some type also disposes the device that is used for regulating towards impeller the wear strip position, so that reduce gap between the two when wear strip is corroded.
The centrifugal pump that has wear strip when use is handled the fluid that comprises solid, and when especially comprising the fluid of fibre solid, solid can be blocked in around the smooth inner bore of wear strip.Fibre solid is often promoted or scrolling by the edge of impeller under situation about not being cut.The solid of building up can make excessive wear between impeller and the wear strip, and the gap between impeller and the wear strip increases, thereby reduces pump efficiency and make fluid produce recirculation in impeller.
Recognize that it is known that solid is provided with wear strip to the adverse effect of pump case, described wear strip with respect to impeller configuration and location with remove with direct solid away from import or impeller.License to the U.S. Patent No. 6,139,260 of Arbeus and license to the example that discloses this wear strip design in the U.S. Patent No. 6,464,454 of Kotkaniemi.The wear strip of these inventions increases the spacing between wear strip and the impeller, but the spacing that increases causes pump efficiency to reduce.
License to the U.S. Patent No. 7 of Arnold, 037,069 also discloses and has been used for the wear strip that uses at the centrifugal pump that uses single blade screw type impeller, wherein, the wear surface of wear strip is provided with the cut-off device of recess and form of grooves, its spin axis with impeller is vertical, and/or extends along the direction opposite with the impeller sense of rotation.Recess and groove are set blocking fluid, and remove and remove solid so that solid moves towards the pump spiral case (volute) that is used to discharge from impeller along the flowing of impeller blade.Cut-off device is positioned on the wear strip to remove solid from impeller blade; Yet they do not provide the cutting of solid or chopping.
Chopper plate with knife bar or cutter element it is further known is provided in the chopper type centrifugal pump, described knife bar or cutter element across impeller eye with at impeller eye place cutting solid.Can prove that this knife bar layout can reduce and handle solid, but also can cause solid, especially fibre solid accumulates in the impeller eye place.
Therefore, a kind of device that is used at place, the impeller cut edge cutting solid of centrifugal pump (its processing comprises the fluid of solid) advantageously is provided, and in the wear strip that can bear the solid wearing and tearing of having handled, provides this device.
Summary of the invention
According to the present invention, be used for being configured to have at least one cutter element that is positioned at described wear strip endoporus place at the wear strip that centrifugal pump uses, more suitably be a plurality of cutter elements.Cutter element is positioned to clash into impeller and along the direction orientation relevant with the impeller rotation, makes cutter element can collect solid and solid is remained on the appropriate location till solid can be cut by impeller blade.
Cutter element on the wear strip of the present invention can be around the endoporus of wear strip evenly or distribute unevenly or separate, and can have Any shape, size, size or the structure that will effectively cut solid at wear strip endoporus place.By cutting solid easily at wear strip endoporus place, solid more promptly is reduced so that handle, rather than only pours in the impeller as the purposes of the wear strip of prior art.In addition, the wearing and tearing on wear strip and the impeller reduce, thereby can not reduce the operating life of pump.
The cutter element of wear strip of the present invention further is configured with by wear strip thickness and limits and from non-wear surface (promptly, surface away from the impeller location) (promptly to wear surface, the surface of adjacent impeller location) wall that extends, described wall is angled to wear surface from the non-wear surface of wear strip, thereby makes cutter element have the edge of automatic sharpening when wear strip weares and teares.
Description of drawings
In the accompanying drawings, shown and realized best mode of the present invention so far:
Fig. 1 is the perspective view of the partly cut-away of traditional self-priming pump, has shown the relative positioning of impeller and wear strip;
Fig. 2 is the perspective view of the partly cut-away of self-priming pump, has shown the arrangement of wear strip of the present invention;
Fig. 3 is the perspective view of wear strip with prior art of smooth inner bore;
Fig. 4 is the perspective view of wear strip of the present invention;
Fig. 5 is from the wear strip of the wear surface observation of wear strip and the perspective view of impeller;
Fig. 6 is from the wear strip of the non-wear surface observation of wear strip and the perspective view of impeller;
Fig. 7 is the planimetric map of the non-wear surface of wear strip of the present invention;
Fig. 8 is the enlarged view of the cutter element of wear strip;
Fig. 9 is the radial cross-section view of wear strip shown in Figure 7 along straight line 9-9 intercepting;
Figure 10 is the perspective view of wear strip with prior art of conical wear surface;
Figure 11 is the perspective view of the wear strip of prior art shown in Figure 10, has shown the non-wear surface of wear strip;
Figure 12 is the optional embodiment's of a wear strip of the present invention planimetric map, and wear strip is generally conical butt;
Figure 13 is the viewgraph of cross-section of wear strip shown in Figure 12 along straight line 13-13 intercepting;
Figure 14 is the perspective view of the non-wear surface of wear strip shown in Figure 12;
Figure 15 be with the perspective view of the wear strip shown in Figure 12 shown in the impeller position adjacent place; With
Figure 16 is the perspective view of the non-wear surface of wear strip shown in Figure 15, has shown the interaction between wear strip and the impeller.
Embodiment
Wear strip of the present invention is suitable for using in the centrifugal pump of any kind, and described centrifugal pump uses the wear strip that maybe can use between another adjacent structure of impeller and pump case or pump.Here only according to self-priming pump the present invention is described with way of example.According to the present invention, those skilled in the art are to be understood that the centrifugal pump that how to make the present invention adapt to other type.
Fig. 1 has shown traditional self-priming pump 10, and it generally includes pump case 12, import 14 and exports 16.Impeller 18 is supported on the end of bearing support 20 and is connected to and is used for drive shaft rotating 22.Cleaning assembly 24 axially aligns with impeller 18 and comprises end cap 26 and support ring 28, and described support ring separates with end cap 26 by a plurality of pillars 30.Support ring 28 is provided for the device of attached wear strip 32, and this device makes wear strip adjacent impeller 18 location.
As shown in Figure 3, the wear strip 32 of prior art is configured to have the flat board of the thickness T of extending usually between non-wear surface 34 and opposed wear surface 36, and it is adjacent with impeller that described wear surface is set to.Wear strip 32 is formed with endoporus 38, and described endoporus extends through slab-thickness and is provided with inner periphery 40 around endoporus 38.In the wear strip 32 of prior art, inner periphery is smooth.Fig. 3 also demonstrates wear strip 32 and can be fixed on the support ring 28 by bolt 44.
Fig. 2 and 4 has shown wear strip 50 of the present invention.In Fig. 2, the same parts of pump is represented that by identical reference number wear strip 50 same support rings 28 by cleaning assembly 24 of the present invention support and are positioned to adjacent with impeller.
Fig. 4 clearly shows in first embodiment, and wear strip 50 of the present invention forms the flat board with the thickness T of extending between non-wear surface 52 and opposed wear surface 54, and it is adjacent with impeller that described wear surface is set to.Wear strip 50 is provided with and is used for wear strip 50 is attached to device on the support ring 28 of cleaning assembly, and for example bolt 56.
Wear strip 50 has the endoporus 58 that extends through wear strip 50 centers, and endoporus 58 is formed with inner periphery 60.The inner periphery 60 of wear strip 50 is formed with at least one or (as shown here) a plurality of cutter elements 62.
As illustrated in Figures 5 and 6, cutter element 62 is positioned to produce dissection with blade (or a plurality of blade) 66 interactions of impeller 18 with inner periphery 60 places at wear strip 50.The solid dissection that produces at endoporus 58 places of wear strip 50 is guaranteed solid, and particularly be processed into can be by discharge littler of impeller 18 and/or form more suitably for lamination coating.
As shown in Figure 7, form cutter element 62 by on the inner periphery 60 of endoporus 58, forming recess 70 usually.Recess extends from the external margin 74 of inner periphery 60 towards wear strip 50.The recess 70 of two adjacent formation forms tooth 72.As shown in Figure 7, can in endoporus 58, form more than one tooth 72; Yet, also can in endoporus 58, form single tooth 72.In addition, as shown in Figure 7, a plurality of teeth 72 can evenly separate around inner periphery 60.Yet alternatively, cutter element 62 can separate unevenly around inner periphery 60.
The recess 70 that is formed on the inner periphery 60 preferably cuts angle with inner periphery 60 formation, makes the center line 76 (Fig. 7) of recess 70 extend along the sense of rotation of impeller, as shown in Figure 5.Cutting angle of recess 70 helps to collect solid material in recess, so that can cut by the blade 66 of impeller 18.
Shown in Fig. 7-9 was further, recess 70 and tooth 72 were formed with the wall surface 80 that is limited by the thickness between the wear surface 54 of wear strip 50 and the opposed non-wear surface 52.The thickness that passes wear strip 50 cuts or machining forms recess 70 so that the plane that forms with thickness by wear strip 50 82 is angled, and wherein said plane 82 is vertical with the plane of non-wear surface 52 with the wear surface 54 of wear strip 50.That is to say that the direction that the included angle A of wall 80 is extended to wear surface 54 along the non-wear surface 52 from wear strip 50 is pointed to the center 84 (Fig. 7) of wear strip 50.It should be noted that when being arranged in pump the center 84 of wear strip 50 is coaxial with the spin axis of impeller.
As shown in Figure 8, the included angle A of the wall 80 of recess 70 forms tooth 72, and tooth 72 has the edge 86 that is formed by wear surface 54, the edge 88 that edge 86 forms greater than the non-wear surface 52 by wear strip 50.Therefore, the cutter element 62 of wear strip 50 or tooth 72 (are appreciated that in the prior art by sharpening automatically when wear strip 50 weares and teares owing to the interaction of itself and impeller, when wearing and tearing took place wear strip 50, wear strip 50 carried out axial adjustment at any time towards impeller).
Up to the present the wear strip 50 of Miao Shuing (form is for dull and stereotyped) is suitable for using in the centrifugal pump of reduced size and some type.In large-size or dissimilar centrifugal pump, wear strip can form roughly frusto-conical shape.Figure 10 and 11 has shown conical butt wear strip 90 well known in the prior art once more.Wear strip 90 has the endoporus 92 with smooth inner periphery 94.Figure 10 has shown the wear surface 96 of conical butt wear strip 90, and Figure 11 has shown non-wear surface 98.
Figure 12-14 has shown the conical butt embodiment of wear strip 100 of the present invention, and wherein, endoporus 102 has inner periphery 104, and inner periphery 104 is formed with at least one cutter element 106 or a plurality of cutter elements 106 as shown in the figure.Figure 12 has shown the wear surface 108 of wear strip 100, and Figure 14 has shown the non-wear surface 110 of wear strip 100.Cutter element 106 forms in the mode of before describing according to the dull and stereotyped embodiment shown in Fig. 7-9, comprises forming cutter element so that automatic sharpening ability to be provided.
Figure 15 has further shown conical butt wear strip 100 of the present invention, wherein, and impeller 120 location of the pump of wear surface 108 contiguous large-sizes.Figure 16 has shown the non-wear surface 110 of wear strip 100, and has shown the interaction between the blade 122 of cutter element 106 and impeller 120.Figure 15 and 16 has shown position and the direction of cutter element with respect to the sense of rotation (shown in arrow 126) of impeller 120.Can recognize by Figure 16, be formed between the cutter element 106 recess 128 effectively therein with solid collection so that the leading edge 130 by impeller blade 122 is cut when impeller rotates.
Wear strip of the present invention can be suitable for using in having various types of centrifugal pumps of impeller, especially uses at the pump that is used for handling the fluid that contains solid material.Therefore, the description of here the illustrated embodiment details being carried out only is way of example but not is used for restriction.
Claims (according to the modification of the 19th of treaty)
1. the wear strip of an impeller location that is close to centrifugal pump, it comprises:
Have wear surface, opposed non-wear surface and be limited to described wear surface and described non-wear surface between the plate of thickness;
Be formed on the endoporus of described plate center, described endoporus has inner periphery;
At least one cutter element, it is formed on the described inner periphery and is oriented to from described inner periphery and extends towards the center of described plate.
2. wear strip as claimed in claim 1, described wear strip have a plurality of cutter elements that form around described inner periphery.
3. wear strip as claimed in claim 1, wherein, described plate is the plane.
4. wear strip as claimed in claim 1, wherein, described plate is a frusto-conical shape.
5. wear strip as claimed in claim 2, wherein, described cutter element comprises the recess that is formed on the described inner periphery, described recess has along the center line of the sense of rotation orientation of impeller.
6. wear strip as claimed in claim 2, wherein, described cutter element is automatic sharpening.
7. wear strip as claimed in claim 6, wherein, described cutter element has the wall of the angled formation of vertical surface that forms with the described thickness that passes described plate.
8. wear strip as claimed in claim 7, wherein, described wall is along center from described non-wear surface to the direction of described wear surface that point to described plate from.
9. centrifugal pump, it comprises:
Pump case;
Impeller, it is positioned at described pump case and is connected to the drive unit that makes described impeller rotation;
The wear strip of contiguous described impeller location, described wear strip have towards wear surface, the opposed non-wear surface of described impeller orientation and be limited to described wear surface and described non-wear surface between thickness, and described wear strip also has the endoporus that is formed on described plate center, described endoporus has inner periphery, described inner periphery has at least one cutter element that is formed on the described inner periphery, and described cutter element is oriented to from described inner periphery and extends towards the center of described plate.
10. centrifugal pump as claimed in claim 9, wherein, described at least one cutter element further comprises a plurality of cutter elements.
11. centrifugal pump as claimed in claim 10, wherein, described cutter element comprises the recess that is formed on the described inner periphery, and described recess has along the center line of the sense of rotation orientation of impeller.
12. centrifugal pump as claimed in claim 9, wherein, described at least one cutter element is configured to automatic sharpening.
13. centrifugal pump as claimed in claim 9, wherein, described at least one cutter element has the wall of the angled formation of vertical surface that forms with the described thickness that passes described plate.
14. centrifugal pump as claimed in claim 13, wherein, the described wall of described at least one cutter element is along center from described non-wear surface to the direction of described wear surface that point to described plate from.
Claims (14)
1. the wear strip of an impeller location that is close to centrifugal pump, it comprises:
Have wear surface, opposed non-wear surface and be limited to described wear surface and described non-wear surface between the plate of thickness;
Be formed on the endoporus of described plate center, described endoporus has inner periphery;
Be formed at least one cutter element on the described inner periphery.
2. wear strip as claimed in claim 1, described wear strip have a plurality of cutter elements that form around described inner periphery.
3. wear strip as claimed in claim 1, wherein, described plate is the plane.
4. wear strip as claimed in claim 1, wherein, described plate is a frusto-conical shape.
5. wear strip as claimed in claim 2, wherein, described cutter element comprises the recess that is formed on the described inner periphery, described recess has along the center line of the sense of rotation orientation of impeller.
6. wear strip as claimed in claim 2, wherein, described cutter element is automatic sharpening.
7. wear strip as claimed in claim 6, wherein, described cutter element has the wall of the angled formation of vertical surface that forms with the described thickness that passes described plate.
8. wear strip as claimed in claim 7, wherein, described wall is along center from described non-wear surface to the direction of described wear surface that point to described plate from.
9. centrifugal pump, it comprises:
Pump case;
Impeller, it is positioned at described pump case and is connected to the drive unit that makes described impeller rotation;
The wear strip of contiguous described impeller location, described wear strip have towards wear surface, the opposed non-wear surface of described impeller orientation and be limited to described wear surface and described non-wear surface between thickness, and described wear strip also has the endoporus that is formed on described plate center, described endoporus has inner periphery, and described inner periphery has at least one cutter element that is formed on the described inner periphery.
10. centrifugal pump as claimed in claim 9, wherein, described at least one cutter element further comprises a plurality of cutter elements.
11. centrifugal pump as claimed in claim 10, wherein, described cutter element comprises the recess that is formed on the described inner periphery, and described recess has along the center line of the sense of rotation orientation of impeller.
12. centrifugal pump as claimed in claim 9, wherein, described at least one cutter element is configured to automatic sharpening.
13. centrifugal pump as claimed in claim 9, wherein, described at least one cutter element has the wall of the angled formation of vertical surface that forms with the described thickness that passes described plate.
14. centrifugal pump as claimed in claim 13, wherein, the described wall of described at least one cutter element is along center from described non-wear surface to the direction of described wear surface that point to described plate from.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US96744007P | 2007-09-04 | 2007-09-04 | |
| US60/967,440 | 2007-09-04 | ||
| PCT/US2008/010405 WO2009032299A1 (en) | 2007-09-04 | 2008-09-04 | Wear plate for a centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101796267A true CN101796267A (en) | 2010-08-04 |
Family
ID=40429217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200880105696A Pending CN101796267A (en) | 2007-09-04 | 2008-09-04 | The wear strip that is used for centrifugal pump |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20090232639A1 (en) |
| JP (1) | JP2010538214A (en) |
| CN (1) | CN101796267A (en) |
| AU (1) | AU2008296843B2 (en) |
| BR (1) | BRPI0816199A2 (en) |
| CA (1) | CA2696883A1 (en) |
| MX (1) | MX2010002401A (en) |
| WO (1) | WO2009032299A1 (en) |
| ZA (1) | ZA201009018B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010039858A1 (en) * | 2008-09-30 | 2010-04-08 | The Gorman-Rupp Company | Chopper pump |
| CN102667172B (en) * | 2009-10-08 | 2018-11-02 | 苏尔寿管理有限公司 | Impeller of pump |
| CA2856067C (en) * | 2011-11-16 | 2020-01-07 | Walter James CUPPETELLI | Centrifugal chopper pump |
| US9670929B2 (en) * | 2013-01-15 | 2017-06-06 | General Electric Company | Methods and system for detecting turbocharger degradation |
| US20150118024A1 (en) * | 2013-10-24 | 2015-04-30 | Bryce Thiel | Centrifugal pump with self-cleaning wear plate |
| EP3988794B1 (en) * | 2020-10-26 | 2024-07-31 | Xylem Europe GmbH | Impeller seat with a guide pin for a pump |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3128051A (en) * | 1960-11-07 | 1964-04-07 | Dag Mfg Co | Pump |
| US3096718A (en) * | 1961-12-12 | 1963-07-09 | Conard Kenner | Trash cutter for a pump |
| US3447475A (en) * | 1967-01-09 | 1969-06-03 | Albert Blum | Centrifugal pump |
| JPS5147601A (en) * | 1974-10-21 | 1976-04-23 | Erehon Kk | Osuihonpuno katsutaakoteiba |
| JPS5930586U (en) * | 1982-08-20 | 1984-02-25 | 株式会社鶴見製作所 | Contaminant cutting mechanism in submersible pumps |
| US4778336A (en) * | 1987-07-09 | 1988-10-18 | Weil Pump Company | Cutter pump subassembly |
| US5456580A (en) * | 1992-05-26 | 1995-10-10 | Vaughan Co., Inc. | Multistage centrifugal chopper pump |
| DE4338931C2 (en) * | 1993-11-15 | 1996-09-05 | Wilo Gmbh | Non-clogging centrifugal pump |
| SE520417C2 (en) * | 1997-12-18 | 2003-07-08 | Flygt Ab Itt | Pump of centrifugal or semi-axial type intended for pumping of uncontaminated wastewater |
| SE520740C2 (en) * | 1998-06-30 | 2003-08-19 | Abs Pump Prod Ab | centrifugal |
| US6190121B1 (en) * | 1999-02-12 | 2001-02-20 | Hayward Gordon Limited | Centrifugal pump with solids cutting action |
| AU8001100A (en) * | 1999-10-06 | 2001-05-10 | Vaughan Co., Inc. | Centrifugal pump improvements |
| US7037069B2 (en) * | 2003-10-31 | 2006-05-02 | The Gorman-Rupp Co. | Impeller and wear plate |
| DE602005013688D1 (en) * | 2004-12-03 | 2009-05-14 | Brinkmann Pumpen K H Brinkmann | PUMP WITH CUTTING WHEEL |
| US7159806B1 (en) * | 2005-01-18 | 2007-01-09 | Ritsema Stephen T | Cutter assembly for a grinder pump |
| US7841550B1 (en) * | 2007-11-20 | 2010-11-30 | Vaughan Co., Inc. | Cutter nut and cutter bar assembly |
-
2008
- 2008-09-04 CA CA2696883A patent/CA2696883A1/en not_active Abandoned
- 2008-09-04 CN CN200880105696A patent/CN101796267A/en active Pending
- 2008-09-04 JP JP2010524035A patent/JP2010538214A/en active Pending
- 2008-09-04 BR BRPI0816199 patent/BRPI0816199A2/en not_active IP Right Cessation
- 2008-09-04 MX MX2010002401A patent/MX2010002401A/en not_active Application Discontinuation
- 2008-09-04 WO PCT/US2008/010405 patent/WO2009032299A1/en active Application Filing
- 2008-09-04 AU AU2008296843A patent/AU2008296843B2/en not_active Ceased
- 2008-09-04 US US12/231,839 patent/US20090232639A1/en not_active Abandoned
-
2010
- 2010-12-14 ZA ZA2010/09018A patent/ZA201009018B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010538214A (en) | 2010-12-09 |
| WO2009032299A1 (en) | 2009-03-12 |
| MX2010002401A (en) | 2010-03-25 |
| AU2008296843B2 (en) | 2011-08-18 |
| BRPI0816199A2 (en) | 2015-04-14 |
| US20090232639A1 (en) | 2009-09-17 |
| ZA201009018B (en) | 2011-09-28 |
| AU2008296843A1 (en) | 2009-03-12 |
| CA2696883A1 (en) | 2009-03-12 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100804 |