CN104747458A - Liquid draining pump and household appliance with pump - Google Patents
Liquid draining pump and household appliance with pump Download PDFInfo
- Publication number
- CN104747458A CN104747458A CN201310740096.0A CN201310740096A CN104747458A CN 104747458 A CN104747458 A CN 104747458A CN 201310740096 A CN201310740096 A CN 201310740096A CN 104747458 A CN104747458 A CN 104747458A
- Authority
- CN
- China
- Prior art keywords
- pump
- impeller
- discharge liquid
- annular groove
- annular protrusion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
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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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor pumps
- F04D13/0613—Special connection between the rotor compartments
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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
-
- 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/042—Axially shiftable rotors
-
- 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
- F04D29/086—Sealings especially adapted for liquid 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
- F04D29/08—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
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a liquid draining pump. The pump comprises a motor chamber; a motor with a driving shaft is arranged in the motor chamber, and an impeller is arranged on the driving shaft; an axial clearance is formed between a front end cover of the motor chamber and the impeller, and an annular groove is formed in the front end cover of the motor chamber; and impeller annular protrusions extending towards the annular groove are arranged on the impeller. Due to a matched structure between the impeller annular protrusions and the annular groove, when the liquid draining pump works, the impeller rotates at high speed in liquid, and hair and particulate matter or fibers and the like in the liquid are not likely to pass through a channel formed by the matched structure of the impeller annular protrusions and the annular groove under driving of rotation of the impeller, and enter the axial clearance between the front end cover of the motor chamber and the impeller to be stacked or wound on the driving shaft, and therefore normal high-speed rotating of the driving shaft is obstructed, and capacity of liquid draining of the pump is affected.
Description
Technical field
The present invention relates to a kind of pump of discharge liquid, especially draining pump.
The invention still further relates to the household electric appliance with said pump, especially dishwasher or washing machine.
Background technique
In the conventional construction of existing discharge liquid pump, live axle rotates in rotor chamber together with the rotor of motor, and the impeller of pump rotates in hydraulic chamber, and concrete structure can see European patent application EP 2455614A2.The liquid that pump discharges is not clean as the scouring water of dishwasher or washing machine, always mixes some hairs, particulate matter or fiber etc. in water.Install impeller on the driving shaft and front end, motor room should between there is certain interval, to ensure that vane rotary freely.In pump work process, impeller transfers discharge liquid at hydraulic chamber high-speed rotary, hair in a liquid, particulate matter or fiber etc. enter in above-mentioned gap in vane rotary drive also to be piled up or is wound around on the rotary shaft, thus hinders the normal High Rotation Speed of running shaft, have impact on the drainage capacity of pump.
Summary of the invention
The object of the present invention is to provide a kind of discharge liquid pump with modified node method, ensure that the normal discharge ability of positive displacement pump.
To achieve these goals, the present invention proposes a kind of pump of discharge liquid, comprises motor room; There is the motor of live axle, be arranged in described motor room; Be installed on the impeller on described live axle; Between front cover in described motor room and described impeller, there is axial clearance; Described motor room front cover is provided with annular groove, described impeller is provided with the impeller annular protrusion extended towards described annular groove.
Due to the cooperating structure of impeller annular protrusion and annular groove, impeller High Rotation Speed in a liquid during discharge liquid pump work, hair in liquid, particulate matter or fiber etc. drive the passage being not easy to be formed by the cooperating structure of impeller annular protrusion and annular groove at vane rotary, and the axial clearance entered between the front cover of motor room and impeller and pile up or be wound around on the driving shaft, thus hinder the normal High Rotation Speed of live axle, have impact on the ability of pump discharge liquid.
In addition when impeller High Rotation Speed time, impeller seesaws in the axial direction along with live axle, and the annular groove on front cover can provide larger axial motion space for the front and back axial motion of impeller, in case uppermost leaf wheel annular protrusion touches front cover.
Impeller annular protrusion on impeller can be more than one, and the annular groove matched with it is also to be more than one.As long as the space of impeller and front cover is enough, in the annular extent of the impeller annular protrusion on impeller, one or more impeller annular protrusion can be established again; Similarly in the annular extent of annular groove, also one or more annular groove can be set correspondence; An impeller annular protrusion correspondence extends axially into an annular groove, the passage that multiple cooperating structures of impeller annular protrusion like this and annular groove are formed is more tortuous, and the hair in discharge liquid, particulate matter or fiber etc. are not easy enter into the axial clearance between the front cover of motor room and impeller by this passage and pile up or be wound around on the driving shaft more.
As a further improvement on the present invention, described impeller annular snag axis is to stretching in described annular groove.
The passage that the cooperating structure of impeller annular protrusion like this and annular groove is formed can be more tortuous, and the hair in liquid, particulate matter or fiber etc. are more difficult by this passage.Live axle can shorten a bit and the axial length of whole discharge liquid pump can be diminished a bit in length simultaneously.
As a further improvement on the present invention, the axial width of described axial clearance is at least greater than 1.5 millimeters.
As a further improvement on the present invention, the axial width of described axial clearance is between 1.5 millimeters to 3.5 millimeters.
As a further improvement on the present invention, described impeller annular protrusion is axially towards described motor room front cover definite length extended.
So can ensure that impeller annular snag axis is to extending into the mating reaction realizing impeller annular protrusion and annular groove among annular groove.
As a further improvement on the present invention, described annular groove takes shape on the surface of described motor room front cover.
As a further improvement on the present invention, described motor room front cover is also provided with the end cap annular protrusion arranged around described annular groove, and this end cap annular protrusion axially extends predetermined length.
As a further improvement on the present invention, between described end cap annular protrusion and described impeller annular protrusion, there is radial clearance.
As a further improvement on the present invention, described radial clearance, described annular groove and described axial clearance are interconnected and form a bending channel.
Setting like this, this inlet passage becomes longer, and the hair in discharge liquid, particulate matter or fiber etc. are not easy enter into the axial clearance between the front cover of motor room and impeller by this passage and pile up or be wound around on the driving shaft more.Certainly as described above, in the case, annular groove on front cover can be multiple, impeller annular protrusion on impeller also corresponds to multiple, so make this bending channel become more tortuous, the hair in discharge liquid, particulate matter or fiber etc. are not easy enter into the axial clearance between the front cover of motor room and impeller by this passage and pile up or be wound around on the driving shaft more.
As a further improvement on the present invention, described bending channel at least comprises the first turning and the second turning.
As a further improvement on the present invention, described first turning and described second turning are 90 degree all substantially.
The traveling process of this bending channel is first along the axis of orientation near front cover to extension, longitudinal extension behind the first turning, again along the axis of orientation away from front cover to extension behind the second turning, so make this bending channel become more tortuous, the hair in discharge liquid, particulate matter or fiber etc. are not easy enter into the axial clearance between the front cover of motor room and impeller by this passage and pile up or be wound around on the driving shaft more.
As described above, in the case, annular groove on front cover can be multiple, impeller annular protrusion on impeller also corresponds to multiple, bending channel traveling process will be longer and have more the first turning like multiclass and the second turning, so make this bending channel become more tortuous, the hair in discharge liquid, particulate matter or fiber etc. are not easy enter into the axial clearance between the front cover of motor room and impeller by this passage and pile up or be wound around on the driving shaft more.
As a further improvement on the present invention, the radial width of described annular groove is greater than the radial width of described impeller annular protrusion.
As a further improvement on the present invention, the radial width of described annular groove 1-4 millimeter larger than the radial width of described impeller annular protrusion.
So, impeller annular protrusion just can extend into annular groove thus form bending channel recited above, and when impeller High Rotation Speed, impeller annular protrusion just freely can rotate in annular groove.
As a further improvement on the present invention, the axial length of described impeller annular protrusion is greater than the axial width of described axial clearance.
As a further improvement on the present invention, the axial length of described impeller annular protrusion 1.5-4 millimeter larger than the axial width of described axial clearance.
So, impeller annular protrusion could axially stride across axial clearance and extends into annular groove thus form bending channel recited above.
As a further improvement on the present invention, the described impeller be installed on described live axle is arranged as follows: when described impeller be pressed be inserted on described live axle time, between described impeller and described motor room front cover, be formed with described axial clearance.
As a further improvement on the present invention, described impeller and impeller annular projection and described annular groove have concentric shafts.
As a further improvement on the present invention, the pump of described discharge liquid is a kind of centrifugal water discharge pump.
In addition, the invention allows for a kind of household electric appliance with water running, particularly dishwasher or washing machine, it comprises the pump of the discharge liquid as described in above any one.
Subsequent by be with the household electric appliance of water running to be implemented as dishwasher as most preferred embodiment to describe the present invention in detail.But this does not represent that scope is just confined to dishwasher.
Accompanying drawing explanation
Fig. 1 is the structural representation of domestic bowl-washing in preferred embodiment;
Fig. 2 is discharge liquid pump structure schematic diagram of the present invention;
Fig. 3 is the perspective view of discharge liquid pump of the present invention;
Fig. 4 is the enlarged view of part A in Fig. 2;
Reference character: 10-motor room; 11-front cover; 12-annular groove; 13-end cap annular protrusion; 14-rotor chamber; 20-motor; 30-impeller, 31-impeller annular protrusion; 40-live axle; 50-rotor; 60-stator; 70-bearing; 80-bending channel; L1-axial clearance; L2-radial clearance; GS-dishwasher; BO-base assemblies; IR-inner space; GK-plate-basket; SA-spray arm; PS-pump pond; WZ-water heating system; UP-recycle pump; LP-discharge liquid pump; EL-water discharge spout road; ZL-supply pipeline.
Embodiment
Dishwasher GS shown in Fig. 1 comprises the inner space IR serving as washing container, and can open and close this inner space by means of door (sign), this door can be pivotally connected on dishwasher GS, for loading and unloading object.Plate-basket GK for receiving article to be cleaned is arranged in the inner space IR of dishwasher GS, and these article to be cleaned can remove, so that loading and unloading from the inner space IR of dishwasher GS.
In order to the clean article to be cleaned left in plate-basket GK, the spray equipment being implemented as the spray arm SA for applying fluid to article to be cleaned is arranged in the inner space IR of dishwasher GS, wherein, fluid can be the water being applied with such as detergent or flushing host, thus can realize the cleaning action to article to be cleaned and/or the drying without spot.From article to be cleaned drippage fluid collection among the PS of pump pond, this pump pond is arranged in the bottom section of inner space IR of dishwasher GS.In the PS of pump pond, be also provided with filtrating equipment (sign), dirt or particle can be separated from circulation of fluid by means of this filtrating equipment.
Spray arm SA is connected to recycle pump UP by means of supply pipeline ZL with fluid-conducting fashion, and other Dishwasher components in the base assemblies BO below the inner space IR of this recycle pump UP and dishwasher GS are neighboringly arranged.In operation, time namely in recycle pump UP runs, recycle pump UP sucks the fluid be collected in the PS of pump pond, and fluid is sent to spray arm SA by supply pipeline ZL.In the present example embodiment, in order to be heated by the fluid of this recycle pump UP, recycle pump UP comprises the water heating system WZ of the integrated form for adding hot fluid.Alternatively, independent continous way water also can be provided to heat itself or other water heating system to add hot fluid.In addition, the pump LP of discharge liquid is also provided with in dishwasher GS, for discharging the liquid of the inner space IR of dishwasher GS, the pump LP of this discharge liquid can be connected to pump pond PS by fluid-conducting fashion, and also may be connected to the water discharge spout road EL in domestic household effluent discharge pipe network.
As shown in Figure 2, for discharging the discharge liquid pump LP of the liquid in the IR of dish washer interior space, comprising a motor room 10, in this motor room 10, motor 20 being installed.This motor 20 comprises the rotor chamber 14 be arranged in motor room 10, and the live axle 40 being arranged with bearing 70 and rotor 50 is installed in this rotor chamber 14, is then provided with stator 60 around this rotor chamber 14 periphery.One end that running shaft 40 stretches out motor room 10 is provided with impeller 30.When motor 20 operation, impeller 30 High Rotation Speed under the drive of running shaft 40, thus discharge liquid.Shown in composition graphs 3, the surface of the front cover 11 of motor room 10 is provided with annular groove 12, and annular groove 12 is provided with end cap annular protrusion 13, and this end cap annular protrusion 13 axially extends predetermined length.Impeller 30 is installed on running shaft 40 near front cover 11, and the impeller annular protrusion 31 be arranged on impeller 30 extends towards the annular groove 12 on front cover 11, and preferably, impeller annular protrusion 31 can extend in annular groove 12.The radial width of annular groove 12 is greater than the radial width of impeller annular protrusion 31, preferably, and the radial width 1-4 millimeter larger than the radial width of impeller annular protrusion 31 of annular groove 12.Impeller 30 and impeller annular projection 31 and described annular groove 12 have concentric shafts.
Shown in composition graphs 4, when impeller 30 is installed on the running shaft 40 of front cover 11, have axial clearance L1 between impeller 30 and front cover 11, the axial width of this axial clearance L1 is at least greater than 1.5 millimeters, preferably between 1.5 millimeters to 3.5 millimeters.The axial length of impeller annular protrusion 31 is greater than the axial width of axial clearance L1, preferably, the axial length 1.5-4 millimeter larger than the axial width of axial clearance L1 of impeller annular protrusion 31, so, impeller annular protrusion 31 could axially stride across axial clearance L1 and extend into annular groove 12.Between impeller annular protrusion 31 and end cap annular protrusion 13, there is radial clearance L2.This radial clearance L2 and annular groove 12 are communicated with axial clearance L1 and constitute a bending channel 80.The traveling process of this bending channel 80 is first along the axis of orientation near front cover 11 to extension, longitudinal extension behind the first turning, again along the axis of orientation away from front cover 11 to extension behind the second turning, and then longitudinal extension, so make this bending channel 80 become longer also more tortuous, above-mentioned first turning and the second turning are preferably close to an angle of 90 degrees.
Due to impeller annular protrusion 31 and the cooperating structure of annular groove 12, impeller 30 High Rotation Speed in a liquid during discharge liquid pump work, hair in liquid, particulate matter or fiber etc. rotarily drive the bending channel 80 being not easy to be formed with the cooperating structure of annular groove 12 by impeller annular protrusion 31 at impeller 30, and the axial clearance L1 entered between the front cover 11 of motor room 10 and impeller 30 and pile up or be wrapped on live axle 40, thus hinder the normal High Rotation Speed of live axle 40, have impact on the ability of pump discharge liquid.
In addition when impeller 30 High Rotation Speed time, impeller 30 seesaws in the axial direction along with live axle 40, annular groove 12 on front cover 11 can provide larger axial motion space for the front and back axial motion of impeller 30, in case uppermost leaf wheel annular protrusion 31 touches front cover 11 and hinders High Rotation Speed.
Certainly in another embodiment, the impeller annular protrusion 31 on impeller 30 can be more than one, and the annular groove 12 matched with it is also to be more than one.As long as the space of impeller 31 and front cover 11 is enough, in the annular extent of the impeller annular protrusion 31 on impeller 30, one or more impeller annular protrusion can be established again; Similarly in the annular extent of annular groove 12, also one or more annular groove can be set correspondence; An impeller annular protrusion correspondence extends axially into an annular groove, the bending channel 80 that impeller annular protrusion like this 31 and multiple cooperating structures of annular groove 12 are formed can be longer also more tortuous, and the hair in discharge liquid, particulate matter or fiber etc. are more not easy the axial clearance L1 that entered between the front cover 11 of motor room 10 and impeller 30 by this bending channel 80 and pile up or be wrapped on live axle 40.
A series of detailed description listed is above only illustrating for feasibility mode of execution of the present invention, and they are also not used to limit the scope of the invention.Therefore, all do not depart from the skill of the present invention equivalent implementations done of spirit or change all should be included within protection scope of the present invention.
Claims (20)
1. a pump for discharge liquid, comprises motor room (10);
There is the motor (20) of live axle (40), be arranged in described motor room (10);
Be installed on the impeller (30) on described live axle (40);
Between the front cover (11) and described impeller (30) of described motor room (10), there is axial clearance (L1);
It is characterized in that, described motor room front cover (11) is provided with annular groove (12), described impeller (30) is provided with the impeller annular protrusion (31) extended towards described annular groove (12).
2. the pump of discharge liquid as claimed in claim 1, is characterized in that, described impeller annular protrusion (31) is axially stretched in described annular groove (12).
3. the pump of discharge liquid as claimed in claim 1 or 2, it is characterized in that, the axial width of described axial clearance (L1) is at least greater than 1.5 millimeters.
4. the pump of discharge liquid as claimed in claim 3, it is characterized in that, the axial width of described axial clearance (L1) is between 1.5 millimeters to 3.5 millimeters.
5. the pump of discharge liquid as claimed in claim 1 or 2, it is characterized in that, described impeller annular protrusion (31) is axially towards described motor room front cover (11) definite length extended.
6. the pump of discharge liquid as claimed in claim 1 or 2, it is characterized in that, described annular groove (12) takes shape on the surface of described motor room front cover (11).
7. the pump of discharge liquid as claimed in claim 1 or 2, it is characterized in that, described motor room front cover (11) is also provided with the end cap annular protrusion (13) arranged around described annular groove (12), and this end cap annular protrusion (13) axially extends predetermined length.
8. the pump of discharge liquid as claimed in claim 7, is characterized in that having radial clearance (L2) between described end cap annular protrusion (13) and described impeller annular protrusion (31).
9. the pump of discharge liquid as claimed in claim 8, it is characterized in that, described radial clearance (L2), described annular groove (12) and described axial clearance (L1) are interconnected and form a bending channel (80).
10. the pump of discharge liquid as claimed in claim 9, it is characterized in that, described bending channel (80) at least comprises the first turning and the second turning.
The pump of 11. discharge liquid as claimed in claim 10, it is characterized in that, described first turning and described second turning are 90 degree all substantially.
The pump of 12. discharge liquid as claimed in claim 1 or 2, it is characterized in that, the radial width of described annular groove (12) is greater than the radial width of described impeller annular protrusion (31).
The pump of 13. discharge liquid as claimed in claim 12, is characterized in that, the radial width 1-4 millimeter larger than the radial width of described impeller annular protrusion (31) of described annular groove (12).
The pump of 14. discharge liquid as claimed in claim 1 or 2, it is characterized in that, the axial length of described impeller annular protrusion (31) is greater than the axial width of described axial clearance (L1).
The pump of 15. discharge liquid as claimed in claim 14, is characterized in that, the axial length 1.5-4 millimeter larger than the axial width of described axial clearance (L1) of described impeller annular protrusion (31).
The pump of 16. discharge liquid as claimed in claim 1 or 2, it is characterized in that, the described impeller (31) be installed on described live axle (40) is arranged as follows: when described impeller (30) be pressed be inserted in described live axle (40) upper time, between described impeller (30) and described motor room front cover (11), be formed with described axial clearance (L1).
The pump of 17. discharge liquid as claimed in claim 1 or 2, is characterized in that, described impeller (30) and impeller annular projection (31) and described annular groove (12) have concentric shafts.
The pump of 18. discharge liquid as claimed in claim 1 or 2, it is characterized in that, the pump (LP) of described discharge liquid is a kind of centrifugal water discharge pump.
19. 1 kinds of household electric appliance with water running, is characterized in that the pump (LP) comprising the discharge liquid as described in above arbitrary claim.
20. are with water running household electric appliance as claimed in claim 19, and it is characterized in that, these household electric appliance are a kind of dishwasher (GS) or washing machine.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310740096.0A CN104747458A (en) | 2013-12-27 | 2013-12-27 | Liquid draining pump and household appliance with pump |
| EP14199828.6A EP2888986B1 (en) | 2013-12-27 | 2014-12-22 | Pump for discharging a liquid and household appliance comprising such a pump |
| PL14199828T PL2888986T3 (en) | 2013-12-27 | 2014-12-22 | Pump for discharging a liquid and household appliance comprising such a pump |
| ES14199828T ES2835252T3 (en) | 2013-12-27 | 2014-12-22 | Pump for emptying a liquid and household appliance with a pump of this type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310740096.0A CN104747458A (en) | 2013-12-27 | 2013-12-27 | Liquid draining pump and household appliance with pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104747458A true CN104747458A (en) | 2015-07-01 |
Family
ID=52231979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310740096.0A Pending CN104747458A (en) | 2013-12-27 | 2013-12-27 | Liquid draining pump and household appliance with pump |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2888986B1 (en) |
| CN (1) | CN104747458A (en) |
| ES (1) | ES2835252T3 (en) |
| PL (1) | PL2888986T3 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111033053A (en) * | 2017-08-31 | 2020-04-17 | 福斯管理公司 | Axial thrust balancing device |
| CN114394170A (en) * | 2022-03-04 | 2022-04-26 | 珠海市一微机器人技术有限公司 | Driving wheel module and wheeled robot |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0487785A1 (en) * | 1990-11-30 | 1992-06-03 | Siemens Aktiengesellschaft | Connection for a pump impeller |
| CN1141395A (en) * | 1995-07-25 | 1997-01-29 | 大宇电子株式会社 | Circulating pump for cooling water to be forcibly circulated |
| CN2485457Y (en) * | 2001-05-29 | 2002-04-10 | 于国强 | Improved impeller for drainage pump of household electric appliance |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE6905217U (en) * | 1969-02-11 | 1969-11-20 | Licentia Gmbh | CENTRIFUGAL PUMP FOR WASHING OR DISHWASHING MACHINES |
| IT1226677B (en) * | 1988-08-17 | 1991-01-31 | Nowax Srl | TURBOMACHINE OPERATOR, IN PARTICULAR ELECTRIC PUMP, WITH MOTOR CONNECTION STRUCTURE - IMPROVED PUMP |
| JP3750265B2 (en) * | 1997-03-31 | 2006-03-01 | 松下電器産業株式会社 | pump |
| DE102009028310A1 (en) * | 2009-08-06 | 2011-02-10 | Robert Bosch Gmbh | liquid pump |
| DE102010052036A1 (en) | 2010-11-23 | 2012-05-24 | Ebm-Papst Landshut Gmbh | Pump for pumping liquids |
| ITVE20110015A1 (en) * | 2011-03-15 | 2012-09-16 | Hydor Srl | SYNCHRONOUS ELECTRIC MOTOR FOR THE OPERATION OF A PUMP AND ITS ELECTROPUMP. |
-
2013
- 2013-12-27 CN CN201310740096.0A patent/CN104747458A/en active Pending
-
2014
- 2014-12-22 PL PL14199828T patent/PL2888986T3/en unknown
- 2014-12-22 EP EP14199828.6A patent/EP2888986B1/en active Active
- 2014-12-22 ES ES14199828T patent/ES2835252T3/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0487785A1 (en) * | 1990-11-30 | 1992-06-03 | Siemens Aktiengesellschaft | Connection for a pump impeller |
| CN1141395A (en) * | 1995-07-25 | 1997-01-29 | 大宇电子株式会社 | Circulating pump for cooling water to be forcibly circulated |
| CN2485457Y (en) * | 2001-05-29 | 2002-04-10 | 于国强 | Improved impeller for drainage pump of household electric appliance |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111033053A (en) * | 2017-08-31 | 2020-04-17 | 福斯管理公司 | Axial thrust balancing device |
| CN111033053B (en) * | 2017-08-31 | 2021-06-15 | 福斯管理公司 | Axial thrust balancing device |
| CN114394170A (en) * | 2022-03-04 | 2022-04-26 | 珠海市一微机器人技术有限公司 | Driving wheel module and wheeled robot |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2835252T3 (en) | 2021-06-22 |
| EP2888986B1 (en) | 2020-12-02 |
| EP2888986A1 (en) | 2015-07-01 |
| PL2888986T3 (en) | 2021-06-14 |
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