CN103486077A - Pump and method for producing an impeller for a pump - Google Patents
Pump and method for producing an impeller for a pump Download PDFInfo
- Publication number
- CN103486077A CN103486077A CN201310230688.8A CN201310230688A CN103486077A CN 103486077 A CN103486077 A CN 103486077A CN 201310230688 A CN201310230688 A CN 201310230688A CN 103486077 A CN103486077 A CN 103486077A
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- China
- Prior art keywords
- impeller
- blade
- pump
- cover plate
- pump according
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Classifications
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
- D06F39/085—Arrangements or adaptations of pumps
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
- A47L15/4225—Arrangements or adaption of recirculation or discharge pumps
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
- D06F17/06—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid by rotary impellers
- D06F17/10—Impellers
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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
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials especially adapted for liquid pumps
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
-
- 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
- F04D29/2227—Construction and assembly for special materials
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
- F04D29/242—Geometry, shape
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/20—Manufacture essentially without removing material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/50—Building or constructing in particular ways
- F05D2230/53—Building or constructing in particular ways by integrally manufacturing a component, e.g. by milling from a billet or one piece construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/40—Organic materials
- F05D2300/43—Synthetic polymers, e.g. plastics; Rubber
Abstract
The invention refers to a pump and method for producing an impeller for a pump. In a centrifugal pump for pumping a fluid with central axial suctioning and radial discharging of the fluid to be pumped out of the impeller, the impeller includes an upper cover plate and a lower cover plate and multiple interposed blades therebetween. In the radial inner region, the blades extend essentially parallel to the rotation axis of the impeller in the axial direction of the pump and thus are upright, wherein said blades in the course radially outwards thereof are increasingly inclined or extend oblique.
Description
Technical field
The present invention relates to a kind of pump, be particularly useful for the pump such as the home appliances of dishwasher or washing machine.In the case, pump is configured to so-called centrifugal pump.The invention still further relates to a kind of method for the manufacture of the impeller for this type of pump.
Background technique
This type of pump is learnt from EP 2150165 B.This civilian described centrifugal pump comprises the impeller with upper cover plate and lower cover plate, and a plurality of blades are between upper cover plate and lower cover plate.
Summary of the invention
The purpose on basis of the present invention is to provide a kind of above-mentioned pump and for the manufacture of the method for the impeller for this type of pump, can prevent the problem of prior art by this, and especially, by this, effective pumping of fluid is possible, and the impeller that the reliable operation that can easily manufacture advantageously can be provided.
Described purpose realizes by means of the method for the manufacture of impeller of the pump with feature claimed in claim 1 and the feature by having claim 16.Favourable and theme that preferred embodiment is other claim of the present invention, and will set forth in more detail hereinafter.Some features of hereinafter listing are only for pump or for impeller or only describe for method.Yet, with its independently, they should be applicable to impeller and pump and be suitable for method.The word of claim is incorporated in the content of description by explicit reference.
With respect to this type of pump, especially for the home appliances such as dishwasher or washing machine provides described pump, comprise the impeller for pumping fluid, wherein pump is configured to centrifugal pump together with impeller, centrifugal pump has the central shaft of fluid to sucking and radially or tangentially discharging, to pump out impeller.Impeller comprises upper cover plate and lower cover plate, wherein a plurality of blades or be arranged between cover plate.Therefore, impeller construction is so-called enclosed impeller.
According to the present invention, in the inner radial district, blade on the axial direction of the pump of the spin axis that is parallel to impeller or impeller than outwards or towards another route in radially outer district more vertically or more suddenly extending respectively at described blade.Therefore, advantageously, in the inner radial district, blade is than more owing suddenly to tilt with respect to central longitudinal axis in the radially outer district.Particularly advantageously, described blade roughly extends vertically in the inner radial district.
At described blade respectively outwards or, to another route in radially outer district, blade tilts respectively cumulatively, or crooked extension or cumulative crooked.Therefore, its summary low dip from the inner radial district or fade to the maximum inclination in the radially outer petiolarea without inclination of tilting advantageously.
As a result, on the one hand, can realize favourable pumping effect or the guide of flow of fluid.In addition, especially, in the situation that whole impeller extends to upper cover plate (this will describe subsequently in more detail) with single type structure and blade from lower cover plate, especially by means of the composite injection molding, realize the manufacturability of improving.
In another embodiment of the present invention, provide the oblique structure of blade to become to make blade tilt or extend in crooked mode towards upper cover plate on the sense of rotation of impeller.For example with the impeller of learning above-mentioned EP 2150165 B of blade from thering is vertical extension, compare, found respectively in test aspect guide of flow or the value of the above-mentioned improvement of good hydraulic characteristic value aspect.
In another embodiment of the present invention, the variation of inclination can increase monotonously from radially inner side to radial outside.This means that described inclination does not at least decay.Advantageously, rolling stabilizing described here ground or strictly dull increase, that is, tilt and increase continuously.It can increase in consistent mode, but this not necessarily.If tilt to increase in roughly consistent mode, can easily produce shape on the one hand, and can improve guide of flow on the other hand.
Available, only, in the inner radial district, vertically extend in the Hen Duan district of blade, or blade starts towards upper cover plate, to tilt on the sense of rotation of impeller immediately.
Blade allowable angle of inclination with respect to spin axis in the radially outer district can be less than 75 °.Advantageously, described angle is between 45 ° to 70 °.For example, in the case, described angle can be about 70 ° at the lower cover plate place, and at the upper cover plate place is about 50 °.
In another embodiment of the present invention, blade can break away from the straight extension as shown in sectional view.This means that it can be slight curving on its route from the lower cover plate to the upper cover plate, advantageously again on sense of rotation.Bending or deflection can be the little percentage of the extended length between lower cover plate and upper cover plate, for example, and 1% to 10%, or even to 20%.About 10% is preferred.
In another advantageous embodiment of the present invention, blade is crooked its longitudinal extension part from radially inner side to radial outside, particularly advantageously with the sense of rotation opposite curvature.Bending is preferably structure continuously.As the approximate indication of bending, described bending can the line stretcher of the joint line that surpasses described two positions between radially inner side and outermost radial outside position 5% to 30% between crooked, advantageously 15% to 20%.
If all blades of impeller are all constructed in the same manner, think preferred.Although to manufacture method, do not provide special advantage, this provides special advantage for hydraulic performance and for the correct running of impeller.Particularly advantageously, impeller also only comprises above-mentioned blade.
As preferably, impeller comprises three to eight blades.Particularly preferably be, have four to six blades.Here, in the situation that its bearing of trend, blade does not point to the spin axis of impeller, but through described axis.In addition, blade does not also cover the inner radial district of impeller, or only is arranged in the outside in described district.Therefore, for example, the most inboard 10% to 40% of radius can not have blade.
In another advantageous embodiment of the present invention, the projection arrangement outstanding in middle heart is on the lower cover plate of impeller.Described projection can extend beyond blade on the direction towards upper cover plate.Here, blade should almost extend to projection, that is, at least in the district of lower cover plate, from described projection, only have than path to distance.
When blade and the cover plate of impeller, especially also having above-mentioned projection is when making integratedly or making with single type, thinks favourable.For this purpose, especially, the composite injection molding method is applicable to.In this type of composite injection molding method, likely only by linear push rod, the plane vertical along the spin axis with respect to impeller drives in the district between the follow-up blade that enters impeller.By means of at least one, other linear push rod produces the inner radial district of the impeller in the top zone that comprises upper cover plate, and described at least one other linear push rod approaches along the direction of the spin axis of impeller.Therefore, possible for by the composite injection molding, manufacturing impeller, only use linear push rod, and common required crooked push rod can save in other cases.This has simplified significantly manufacture method and has reduced manufacturing time and cost.For above-mentioned linear push rod that can be vertical by means of the spin axis with respect to impeller is manufactured blade, extend each other or not only radially in exterior domain, from mutually the same distance, extending or at least keeping off from inboard to the outside in extending each other if lower cover plate and upper cover plate are parallel to, think preferably, but be also particularly advantageously plane.Advantageously, whole lower cover plate is the plane towards the inner space of impeller.Particularly advantageous this bottom surface for upper cover plate is also like this.Owing to should on the direction of the spin axis that extends through impeller, vertically being driven into and driving out above-mentioned linear push rod by the spin axis with respect to impeller, therefore at least on its sidepiece faced each other, need cover plate and above-mentioned equidistance each other.
Available, use a linear push rod for each blade, wherein advantageously, the rear side of the front side of the formation of linear push bar or formation blade and adjacent blade etc., for example, be an at least outside half vane at least in part.The pushing direction of described push rod can cross corresponding blade, and is preferably at least a portion of the ensuing follow-up blade shown in still running on sense of rotation.Blade can not present with respect to the crooked position of the spin axis of impeller (this orientation from inboard to the outside cumulative become more crooked) obstacle that uses linear push rod fully.
In another advantageous embodiment of the present invention, basically on same level, from radial outside, be driven into and drive out vaned linear push rod.Described plane should be parallel to lower cover plate, particularly also is parallel to upper cover plate, or preferably parallel with the inner face of cover plate respectively.
Except accessory rights requires; also from description and accompanying drawing, described feature and further feature have been manifested; wherein the independent characteristic of mould can it be realized in all cases by oneself or with its sub-portfolio in an embodiment of the present invention and in other field, and can represent the favourable and embodiment that can protect in essence who is protected in this requirement.Application is divided into the general validity that paragraph independently and subhead are not limited in this statement of making.
The accompanying drawing explanation
Schematically show exemplary embodiment of the present invention in accompanying drawing, and will set forth in more detail hereinafter exemplary embodiment of the present invention.Shown in the drawings of:
Fig. 1 be comprise for the manufacture of the oblique drawing of impeller of pump in accordance with the present invention of linear push rod,
Fig. 2 is the cross sectional view through the impeller in Fig. 1,
The plane view that Fig. 3 is the impeller in Fig. 1 of pulling down of cover plate,
The side view that Fig. 4 is the layout in Fig. 1, and
Fig. 5 is the pump in accordance with the present invention with impeller as herein described.
Embodiment
In Fig. 5, schematically show very much pump 10, pump is configured to radial impeller pump.In pump chamber, described pump comprises impeller 11, and impeller 11 is via center suction structure absorption fluids, and its in the radial direction by described fluid expulsion in pump chamber.From here, a little circulation that fluid can be in pump chamber is by being left by outlet.This learns from prior art.As can be visible from Fig. 1 to Fig. 4, impeller 11 be configured to described pump clearly.
In the oblique drawing according to Fig. 1, impeller 11 comprises upper cover plate 13 and lower cover plate 20.Upper cover plate 13 comprises center suction opening 14.Concentric lower cover plate 20 comprises axle bed 21, and impeller 11 inserts on the wheel shaft of pump motor by means of axle bed.The axle bed 21 that is configured to circular facade also makes radially outer absorption of fluids deflection.As can be from seen in fig. 1, the top of upper cover plate 13 be all flat except the slightly thick edge of suction opening 14, and this also can especially see from Fig. 4.The bottom surface of lower cover plate 20 is like this too, but this is all not necessarily in both cases.
Yet the bottom surface 16 of upper cover plate 13 is equally also flat or plane, especially plane parallel is in top.Except the centre area with axle bed 21, for top 23 of lower cover plate 20, be also like this.Especially, except axle bed 21 district, bottom surface 16 and top 23 again plane parallel in each other.
In vertical route of blade 27 radially inner sides, tilting more and more reduces towards inner edge 28b, and wherein said blade is almost vertical and almost extend in parallel with the central longitudinal axis of pump or the spin axis of impeller 11 with 20 with respect to cover plate 13.The inner edge 28b of blade 27 roughly is positioned at the some place of axle bed 21 beginnings of slow increase.
In addition, blade 27 is arranged to respectively with equidistant each other, or equally distributes.Show according to the side view of Fig. 4 the outer rim 28a place that is tilted in blade 27 and stably increase, that is, strictly dull.Can see from the plane view according to Fig. 3, the bending of blade 27 also increases from the outside to inboard, but is only slightly.
In essence, this type of impeller 11 can be during manufacture become by a plurality of partial design by any way, and its Leaf is changing aspect its vertical route medium dip at it, because be for example variable by means of the manufacture of composite injection molding.Especially, when independent upper cover plate puts on blade, for example, by gummed, upper cover plate and lower cover plate also can form with bend mode, as other impeller from similar pump is learnt, for example, see EP 2150162 B.
Yet, in order to allow single type structure and to manufacture, and avoid accurate, expensive and flexible push rod, at least the end face 23 of the bottom surface 16 of upper cover plate 13 and lower cover plate 20 must plane parallel in expanding from inboard to the outside each other or in a continuous manner, that is, in each situation all in the radial direction.Therefore, as learnt from above-mentioned prior art, their inflexibility.
In the situation that impeller 11 constructs in this way, linear push rod 30 can be as shown in Figure for the manufacture of, or use respectively five these type of linear push rods.Show pushing direction S.In Fig. 3 and Fig. 4 towards right die side 31 with corresponding to blade 27 in the face of the mode of the sidepiece of lower cover plate 20 and on the sense of rotation of Fig. 3 accurate structure.Vane region 33 on die side 31 is exactly corresponding to the described sidepiece of blade 27.Have adjacent therewith inner area 34, inner area 34 is towards axle bed 21, in order to limit in all cases the inner edge 28b of blade 27.Axle bed 21 is made by means of another push rod in essence, and in Fig. 3, push rod is driven into and absorbs in plane.
Another vane region 33' on linear push rod 30 forms towards the sidepiece of the blade 27 of reverse directions on adjacent blade 27 in a circumferential direction, that is, and and towards the sidepiece of aforementioned blade.
By means of the impeller 11 with the blade differently tilted along its vertical route, can realize good impeller pumping feature.Desired and very favorable single type manufacture is by means of parallel plane cover plate or in the face of the plane parallel face of cover plate each other, and by means of shown in and described linear push rod realize.Although the mould for impeller is slightly more accurate, in essence can be controlled in good mode by means of the manufacture method of composite injection molding, and cause the superperformance of impeller.It is still than more easily realizing in the situation of crooked push rod.
Claims (19)
1. a pump, be particularly useful for the home appliances such as dishwasher or washing machine, there is the impeller for pumping fluid, wherein said pump is configured to operate as centrifugal pump together with described impeller, wherein said centrifugal pump has the central shaft of described fluid to sucking and radially discharge to pump out described impeller, wherein said impeller comprises upper cover plate and lower cover plate, and intervenient a plurality of blade, wherein said blade central longitudinal axis with respect to described pump in described inner radial district than in described radially outer district is more owed suddenly to tilt.
2. pump according to claim 1, is characterized in that, described blade tilts from described inner radial district to described radially outer district or cumulative on the skew extension in its described route cumulatively.
3. pump according to claim 2, is characterized in that, in described inner radial district, the spin axis that described blade is arranged essentially parallel to described impeller on the axial direction of described pump extends, and therefore extends vertically.
4. pump according to claim 1, is characterized in that, the oblique structure of described blade becomes to make described blade tilt with respect to described upper cover plate on described sense of rotation or on the skew extend.
5. pump according to claim 1, is characterized in that, the variation of described inclination increases monotonously from radially inner side to radial outside.
6. pump according to claim 5, is characterized in that, described rolling stabilizing ground or strictly dull increase.
7. pump according to claim 6, is characterized in that, described inclination roughly as one man increases.
8. pump according to claim 1, is characterized in that, the allowable angle of inclination of the described blade in described radially outer district is less than 75 ° towards described spin axis.
9. pump according to claim 8, is characterized in that, the allowable angle of inclination of the described blade in described radially outer district towards described spin axis between 45 ° to 70 °.
10. pump according to claim 1, is characterized in that, described blade is crooked its vertical route from radially inner side to the outside contrary with described sense of rotation.
11. pump according to claim 10, is characterized in that, described blade is as one man crooked.
12. pump according to claim 1, is characterized in that, described impeller comprises three to eight blades.
13. pump according to claim 1, is characterized in that, in outstanding projection, heart is arranged in the lower cover plate of described impeller, and described projection extends beyond described blade, and wherein said blade almost extends to described projection.
14. pump according to claim 1, is characterized in that, described blade and described cover plate are made integratedly or with single type.
15. pump according to claim 14, is characterized in that, described whole impeller is made integratedly and with single type by means of the composite injection molding.
16. the method for the manufacture of the impeller of the pump for according to claim 1, wherein said impeller is made by means of the composite injection molding, and wherein only linear push rod is driven into along the plane of the spin axis perpendicular to described impeller in the district between the follow-up blade of described impeller.
17. method according to claim 16, is characterized in that, all basically driven from radial outside on identical plane for the linear push rod of described blade.
18. method according to claim 16, is characterized in that, drives respectively at least one additional linear push rod along the follow-up spin axis of described impeller or on described axial direction.
19. method according to claim 18, it is characterized in that, along the follow-up spin axis of described impeller or on described axial direction, drive respectively described additional linear push rod to pass described upper cover plate on the direction of described lower cover plate, in order to form respectively the centre area of described impeller or the inner radial district of described blade.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012209832A DE102012209832B3 (en) | 2012-06-12 | 2012-06-12 | Pump and method of making an impeller for a pump |
| DE102012209832.1 | 2012-06-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103486077A true CN103486077A (en) | 2014-01-01 |
| CN103486077B CN103486077B (en) | 2018-06-08 |
Family
ID=48578837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310230688.8A Active CN103486077B (en) | 2012-06-12 | 2013-06-09 | Pump and the method for manufacturing the impeller for pump |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20130330170A1 (en) |
| EP (1) | EP2674092B1 (en) |
| KR (1) | KR102060203B1 (en) |
| CN (1) | CN103486077B (en) |
| DE (1) | DE102012209832B3 (en) |
| ES (1) | ES2566189T3 (en) |
| PL (1) | PL2674092T3 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389813A (en) * | 2014-10-11 | 2015-03-04 | 广东威灵电机制造有限公司 | Impeller, water pump and dish-washing machine provided with impeller and water pump |
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| US20170082070A1 (en) * | 2012-04-17 | 2017-03-23 | Timothy J. Miller | Turbopump with a single piece housing and a smooth enamel glass surface |
| DE102012216196A1 (en) | 2012-09-12 | 2014-03-13 | E.G.O. Elektro-Gerätebau GmbH | pump |
| EA031306B1 (en) * | 2013-03-28 | 2018-12-28 | Веир Минералз Австралия Лтд | Slurry pump impeller |
| CN103644141B (en) * | 2013-12-20 | 2015-09-30 | 中国农业大学 | A kind of method obtaining load distribution curve of blade of double-suction centrifugal pump |
| KR101664906B1 (en) * | 2014-08-11 | 2016-10-13 | 한국생산기술연구원 | A counter-rotating type pump-turbine and a self generating system having the same and an optimal design method of a counter-rotating type pump-turbine |
| DE102014117840A1 (en) | 2014-12-04 | 2016-06-09 | Rolls-Royce Deutschland Ltd & Co Kg | Device having a rotationally fixed first component and a second component rotatably connected at least in regions to the first component |
| DE102014117841A1 (en) | 2014-12-04 | 2016-06-09 | Rolls-Royce Deutschland Ltd & Co Kg | Device having a rotationally fixed first component and a second component rotatably connected at least in regions to the first component |
| DE102021205247A1 (en) | 2021-05-21 | 2022-11-24 | E.G.O. Elektro-Gerätebau GmbH | Pump for a water-bearing household appliance and water-bearing household appliance with such a pump |
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| TWI300743B (en) * | 2006-10-12 | 2008-09-11 | Delta Electronics Components Dongguan Co Ltd | Device for extracting a mold core and mold assembly using the device |
| KR20080045564A (en) * | 2006-11-20 | 2008-05-23 | 삼성전자주식회사 | Turbofan and manufacturing method thereof |
| DE102007017271A1 (en) * | 2007-04-12 | 2008-10-16 | BSH Bosch und Siemens Hausgeräte GmbH | Pump with heating device |
| AP3067A (en) * | 2008-05-27 | 2014-12-31 | Weir Minerals Australia Ltd | Slurry pump impeller |
| JP5495700B2 (en) * | 2009-10-07 | 2014-05-21 | 三菱重工業株式会社 | Centrifugal compressor impeller |
| US9004868B2 (en) * | 2010-05-19 | 2015-04-14 | The New York Blower Company | Industrial fan impeller having a tapered blade and method |
-
2012
- 2012-06-12 DE DE102012209832A patent/DE102012209832B3/en active Active
-
2013
- 2013-06-05 US US13/910,185 patent/US20130330170A1/en not_active Abandoned
- 2013-06-06 PL PL13170737.4T patent/PL2674092T3/en unknown
- 2013-06-06 EP EP13170737.4A patent/EP2674092B1/en active Active
- 2013-06-06 ES ES13170737.4T patent/ES2566189T3/en active Active
- 2013-06-09 CN CN201310230688.8A patent/CN103486077B/en active Active
- 2013-06-11 KR KR1020130066540A patent/KR102060203B1/en active IP Right Grant
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389813A (en) * | 2014-10-11 | 2015-03-04 | 广东威灵电机制造有限公司 | Impeller, water pump and dish-washing machine provided with impeller and water pump |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2674092A1 (en) | 2013-12-18 |
| KR102060203B1 (en) | 2019-12-27 |
| KR20130139186A (en) | 2013-12-20 |
| CN103486077B (en) | 2018-06-08 |
| EP2674092B1 (en) | 2016-03-09 |
| DE102012209832B3 (en) | 2013-09-12 |
| ES2566189T3 (en) | 2016-04-11 |
| US20130330170A1 (en) | 2013-12-12 |
| PL2674092T3 (en) | 2016-09-30 |
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