CN101846084B - Motor pump - Google Patents
Motor pump Download PDFInfo
- Publication number
- CN101846084B CN101846084B CN201010141009.6A CN201010141009A CN101846084B CN 101846084 B CN101846084 B CN 101846084B CN 201010141009 A CN201010141009 A CN 201010141009A CN 101846084 B CN101846084 B CN 101846084B
- Authority
- CN
- China
- Prior art keywords
- aforementioned
- impeller
- motor
- cavity
- bearing
- 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.)
- Expired - Fee Related
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
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
- F04D29/242—Geometry, shape
-
- 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
-
- 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
- F04D29/245—Geometry, shape for special effects
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a motor pump for increasing a water supply quantity of wash water, and improving water supply pressure to the wash water. This motor pump is provided with a case body having a storage space for storing the wash water, a water suction pipe arranged as a water suction passage of the wash water sucked in the storage space, a water supply pipe arranged as a water supply passage of the wash water delivered from the storage space, a drive motor having a drive shaft and an impeller fixed to the drive shaft of the drive motor and rotated in the storage space and the water suction pipe. The impeller is provided with a bearing and blades projected from the bearing. The blades are provided with bases continuing to the bearing and tips continuing to the base. The bases are formed in convex curve shapes in the rotation direction of the impeller, and the tips are formed in convex curve shapes in the opposite direction of the rotation direction of the impeller. In the impeller an extension cord of the base portion toward the bearing is tangential to a datum line extended along radial direction and taking centers of the bearing as criterion at the centre of the bearing.
Description
Technical field
The present invention relates to a kind of motor-drive pump.Specifically, relate to following technical field: it is rightabout curvilinear two-part that protrusion direction is set on the blade part of impeller, and realize cleaning solution liquor charging amount increase and for the raising of the liquor charging pressure of cleaning solution.
Background technique
Known a kind of Headlamp cleaner, its part, to move from being formed at the mode of the opening portion turnover car body or bumper, is cleaned the radiator grille of headlight for automobile.
Headlamp cleaner has the nozzle of jet cleaning liquid and with the cylinder body of supplying pipe, and the cleaning solution of supplying with via supplying pipe from this cylinder body is sprayed and cleans radiator grille to the radiator grille of headlight for automobile by nozzle.
By motor-drive pump by cleaning solution supplying to cylinder body, in the internal configurations of motor-drive pump, have the drive motor with live axle.In motor-drive pump, be provided with as sucking the pick-up tube of suction path of cleaning solution and the liquid pushing tube of the liquor charging path of the cleaning solution that conduct sucks, pick-up tube is connected with liquid container, and liquid pushing tube links via the supplying pipe of flexible pipe and cylinder body.
In the inside of motor-drive pump, can rotate freely and support for carrying out the imbibition of cleaning solution and the impeller of liquor charging, the rotation by impeller, sucks motor-drive pump by cleaning solution from liquid container, and from motor-drive pump, cleaning solution is carried out to liquor charging and is supplied to cylinder body.
The impeller of above-mentioned motor-drive pump has: bearing portion, and the live axle of itself and drive motor links; And a plurality of blade parts, its outer circumferential face from this bearing portion protrudes (for example,, with reference to patent documentation 1).
Blade part on the impeller that is arranged on motor-drive pump that patent documentation 1 is recorded, forms along with the curve-like being offset gradually to the contrary direction of the sense of rotation with impeller near front end from bearing portion.
Patent documentation 1: 2006-No. 299898 communiques of JP
Summary of the invention
But, in the motor-drive pump of recording at patent documentation 1, due to as mentioned above, the blade part of impeller forms along with the curve-like being offset gradually to the contrary direction of the sense of rotation with impeller near front end from bearing portion, so there is following problems, that is, the pressure of the blade part that cleaning solution is gone out to liquid pushing tube side pressure a little less than, be difficult to guarantee the higher liquor charging pressure for cleaning solution.
In addition, owing to being difficult to guarantee higher liquor charging pressure, so also exist the cleaning solution of time per unit to the less problem of washing unit liquor charging amount.
Therefore, problem of the present invention is, for motor-drive pump, realize cleaning solution liquor charging amount increase and for the raising of the liquor charging pressure of cleaning solution.
In order to solve above-mentioned problem, motor-drive pump has: housing, and its inside has by inner peripheral surface around the cavity forming, and sucks and temporarily accommodate liquid, pick-up tube, its as be sucked into aforementioned cavity aforementioned liquids imbibition path and arrange, and one end has suction port, the other end is communicated with aforementioned cavity, liquid pushing tube, its liquor charging path as the aforementioned liquids from aforementioned cavity ejection and arranging, and one end has ejiction opening, and the other end is communicated with aforementioned cavity, drive motor, it is configured in aforementioned enclosure interior, has live axle, and impeller, it is fixed on the live axle of aforementioned drive motor, by the driving force of aforementioned drive motor at the internal rotating of aforementioned cavity and aforementioned pick-up tube, carry out suction and the ejection of aforementioned liquids, aforementioned impeller has the bearing portion being fixed on aforementioned live axle, with the blade part radially protruding from this bearing portion, aforementioned blade part has the consecutive base portion with aforementioned bearings portion, with with the consecutive front end of this base portion, aforementioned base portion forms the curve-like protruding to the sense of rotation of described impeller, aforementioned front end forms the curve-like protruding to the contrary direction of the sense of rotation with aforementioned impeller, in aforementioned impeller, aforementioned base portion is to the elongation line of aforementioned bearing portion, with take the center of aforementioned bearing portion and be the reference line that benchmark extends along radiation direction, center in aforementioned bearings portion is tangent.
Thus, in motor-drive pump, the front end of impeller forms with respect to the protrusion direction of base portion and the shape protruded round about.
The effect of invention
Motor-drive pump of the present invention is characterised in that to have: housing, and its inside has by inner peripheral surface around the cavity forming, and sucks and temporarily accommodate liquid, pick-up tube, its as be sucked into aforementioned cavity aforementioned liquids imbibition path and arrange, and one end has suction port, the other end is communicated with aforementioned cavity, liquid pushing tube, its liquor charging path as the aforementioned liquids from aforementioned cavity ejection and arranging, and one end has ejiction opening, and the other end is communicated with aforementioned cavity, drive motor, it is configured in aforementioned enclosure interior, has live axle, and impeller, it is fixed on the live axle of aforementioned drive motor, by the driving force of aforementioned drive motor at the internal rotating of aforementioned cavity and aforementioned pick-up tube, carry out suction and the ejection of aforementioned liquids, aforementioned impeller has the bearing portion being fixed on aforementioned live axle, with the blade part radially protruding from this bearing portion, aforementioned blade part has the consecutive base portion with aforementioned bearings portion, with with the consecutive front end of this base portion, aforementioned base portion forms the curve-like protruding to the sense of rotation of described impeller, aforementioned front end forms the curve-like protruding to the contrary direction of the sense of rotation with aforementioned impeller, in aforementioned impeller, aforementioned base portion is to the elongation line of aforementioned bearing portion, with take the center of aforementioned bearing portion and be the reference line that benchmark extends along radiation direction, center in aforementioned bearings portion is tangent.
Thus, surperficial towards the tangent direction that approaches sense of rotation due to the sense of rotation side of front end, so can realize cleaning solution liquor charging amount increase and for the raising of the liquor charging pressure of cleaning solution.
In the invention of recording in technological scheme 2, owing to making the outer end of the blade part of aforementioned impeller approach the aforementioned inner peripheral surface that forms aforementioned cavity, so can realize the liquor charging amount that further increases cleaning solution by improving liquor charging pressure.
In the invention of recording in technological scheme 3, owing to making the axially consistent with the tangent direction of aforementioned inner peripheral surface of aforementioned liquid pushing tube, and make a part for internal surface for aforementioned liquid pushing tube and the tangent line of aforementioned inner peripheral surface consistent, so can realize the high efficiency of increase and the liquor charging action of liquor charging amount.
Accompanying drawing explanation
Fig. 1 is and the figure that represents the optimal way of motor-drive pump of the present invention together with Fig. 2 to Fig. 5 that this figure is the oblique drawing of motor-drive pump.
Fig. 2 is the sectional drawing of motor-drive pump.
Fig. 3 is the amplification profile along III-III line of Fig. 2.
Fig. 4 is the amplification oblique drawing of impeller.
Fig. 5 means the schematic diagram of the blade part shape of impeller.
Embodiment
Below, with reference to accompanying drawing, for describing for implementing the optimal way of motor-drive pump of the present invention.
Motor-drive pump 1 as shown in Figures 1 and 2, has housing 2 and the necessary various piece that is configured in these housing 2 inside.
Housing 2 is combined between the higher and lower levels and is formed by upper casing body 3 and lower casing body 4.
Upper casing body 3 is opening downwards, have form week cylindraceous face 5 with upper end portion with this week face 5 mutually continuously and towards the obturation face 6 of above-below direction.
On the position of all lower sides of facial 5, form continuously up and down engagement groove 5a and engaging protuberance 5b.
On the upper surface of inaccessible face 6, be provided with integratedly the connector portion 7 of protruding upward.Internal configurations splicing ear 7a in connector portion 7, this splicing ear is connected with not shown power connector from electric power to drive motor described later that supply with.
Lower casing body 4 is opening upward, have form week cylindraceous face 8 with underpart with this week face 8 mutually continuously and towards the obturation face 9 of above-below direction.
On the position of all top ends of facial 8, be formed with continuously up and down engaging protuberance 8a and engagement groove 8b.On the underpart in week facial 8, be provided with integratedly the liquid pushing tube 10 protruding to side.In one end of liquid pushing tube 10 (front end), form ejiction opening 10a, the other end is communicated with the aftermentioned cavity that is formed at housing 2 inside.
Central part at inaccessible face 9 is provided with the pick-up tube 11 of protruding integratedly downwards.One end (lower end) in pick-up tube 11 forms suction port 11a, and the other end is communicated with the cavity that is formed at the inside of housing 2.
Upper casing body 3 and lower casing body 4 as shown in Figure 2, by engagement groove 5a with engage protuberance 8a engaging and engagement groove 8a and engage protuberance 5b and engage and combination, thereby formation housing 2.
Inside at lower casing body 4 disposes dividing plate 12 with chimeric status.Central part at dividing plate 12 forms the shaft through-hole 12a running through up and down.By the internal configurations dividing plate 12 at lower casing body 4, thereby in the inside of housing 2, forming respectively up and down upside space 13 and lower side space 14.
In upside space 13, dispose drive motor 15.Drive motor 15 consists of drive coil or magnet etc., the live axle 15a of downward-extension on central part has.A part of live axle 15a is protruded downwards.
In lower side space 14, at the downside of dividing plate 12, dispose rubber bush 16.Rubber bush 16 forms the state in the inside that is entrenched in lower casing body 4, has the axle supported hole 16a running through up and down at central part.Rubber bush 16 have prevent aftermentioned cleaning solution from lower side space 14 to upside space 13 functions of invading.
The part of protruding downwards in the live axle 15a of drive motor 15, inserts in the shaft through-hole 12a of dividing plate 12, runs through the axle supported hole 16a of rubber bush 16 and supported, and protrude downwards from rubber bush 16 underpart.
In the lower casing body 4 of lower side space 14, the part of being surrounded by all inner peripheral surface 8c of facial 8, the lower surface of rubber bush 16 and the internal surface of occlusive part 9, forms the cavity 14a that temporarily accommodates cleaning solution.Cavity 14a is communicated with the other end of liquid pushing tube 10 and the other end of pick-up tube 11 respectively.
In the inside of cavity 14a and pick-up tube 11, can rotate freely and support impeller 17 (with reference to Fig. 2 and Fig. 3).Impeller 17 as shown in Figures 2 to 4, is formed and is formed by bearing portion 18 and the blade part 19,19,19 that radially protrudes from this bearing portion 18.
In bearing portion 18, form the fixing hole 18a that uses of opening upward.
Blade part 19,19,19 is centered by bearing portion 18 and along being circumferentially arranged on equally spaced position.The liquor charging that blade part 19,19,19 is protruded with blade 20,20,20 with from bearing portion 18 to side by the imbibition of protruding downwards from bearing portion 18 respectively forms with blade 21,21,21.
Liquor charging with blade 21 by forming with the consecutive base portion 21a of bearing portion 18 with the consecutive front end 21b of this base portion 21a.Base portion 21a compares with front end 21b, and the length in the direction of extending to side is longer.
Base portion 21a, as shown in Fig. 3 and Fig. 5, forms mild curve-like, for example, for roughly circular-arc, forms the shape that the sense of rotation (the P1 direction shown in Fig. 3 to Fig. 5) to impeller 17 is protruded.Front end 21b, as shown in Fig. 3 and Fig. 5, forms mild curve-like, for example, for roughly circular-arc, forms the shape of protruding to the contrary direction of the sense of rotation P1 with impeller 17.
In impeller 17, elongation line Q, the Q of base portion 21a, 21a, 21a, Q form circular-arc, and it is with respect to take the equally spaced 3 foundation directrix T, T, the T that extend along radiation direction that bearing portion 18 center M is benchmark, and at center, M place becomes tangent line.Thus, near the end of bearing portion 18 sides of base portion 21a, 21a, 21a, cleaning solution can not be detained and be difficult for flowing, and can realize the raising of the mobility of cleaning solution.
The fixing of bearing portion 18 at impeller 17 used in the 18a of hole, insert the also underpart of the live axle 15a of fixed drive motor 15, bearing portion 18 and liquor charging are configured in cavity 14a with blade 21,21,21, and imbibition is configured in the inside of pick-up tube 11 with blade 20,20,20.Thus, impeller 17 utilize drive motor 15 driving force and at the internal rotating of cavity 14a and pick-up tube 11.
At impeller 17, be configured under the state of inside of cavity 14a and pick-up tube 11, liquor charging is positioned at the position (with reference to Fig. 3) of the inner peripheral surface 8c that approaches the lower casing body 4 that forms cavity 14a with each front end (outer end) of blade 21,21,21, imbibition with each front end (outer end) of blade 20,20,20 become and the internal surface of pick-up tube 11 between there is the position of the state of fixed interval (FI).
In addition, as shown in Figure 3, axially consistent with the tangent direction of inner peripheral surface 8c, being positioned at of the internal surface of liquid pushing tube 10 is consistent apart from the outermost part 10b of rotating center of impeller 17 and the tangent line (S shown in Fig. 3) of inner peripheral surface 8c for liquid pushing tube 10.
In the motor-drive pump 1 of formation as implied above, if drive motor 15 rotation, impeller 17 rotation by its driving force.If impeller 17 rotations, by imbibition blade 20,20,20, never illustrated liquid container is sucked into cleaning solution in cavity 14a via pick-up tube 11, by liquor charging use blade 21,21,21 via liquid pushing tube 10 by sucked cleaning solution supplying the not shown cylinder body to Headlamp cleaner.The radiator grille of the cleaning solution that is supplied to cylinder body from the nozzle of Headlamp cleaner to headlight for automobile sprays, thereby cleans this radiator grille.
When 17 rotation of above-mentioned impeller, when sending cleaning solution from cavity 14a to liquid pushing tube 10, by the blade 21,21,21 liquor charging for being rotated, the inside extrusion to liquid pushing tube 10 of cleaning solution in cavity 14a will be temporarily housed in cavity 14a.
At this moment, due to as mentioned above, liquor charging forms with base portion 21a, 21a, the 21a of blade 21,21,21 the mild curve-like protruding to the sense of rotation of impeller 17, so flow resistance is less, cleaning solution is easily from bearing portion 18 side direction front end 21b, 21b, 21b side flow, and, along with from base portion 21a, 21a, 21a side towards front end 21b, 21b, 21b side, the flow velocity of cleaning solution progressively increases.
In addition, because liquor charging forms with front end 21b, 21b, the 21b of blade 21,21,21 the mild curve-like protruding to the direction contrary with impeller 17 sense of rotation, so surperficial towards comparing towards the sense of rotation side with base portion 21a, 21a, 21a of surperficial 21c, the 21c of the sense of rotation side of front end 21b, 21b, 21b, 21c (with reference to Fig. 3), approaches the tangent direction in sense of rotation.Thus, can realize cleaning solution liquor charging amount increase and for the raising of the liquor charging pressure of cleaning solution.
And, because liquor charging forms with front end 21b, 21b, the 21b of blade 21,21,21 the mild curve-like protruding to the contrary direction of the sense of rotation with impeller 17, so be adjusted from base portion 21a, 21a, near 21a side flow to the eddy current of cleaning solution front end 21b, 21b, 21b, near front end 21b, 21b, 21b, by speed energy conversion, be pressure energy efficiently.Thus, can realize cleaning solution liquor charging amount increase and for the raising of the liquor charging pressure of cleaning solution.
In addition, in motor-drive pump 1, because the liquor charging of impeller 17 is positioned at the position of the inner peripheral surface 8c that approaches the lower casing body 4 that forms cavity 14a with each front end of blade 21,21,21, so, can realize by liquor charging pressure and improve and further increase the liquor charging amount of cleaning solution.
And, in motor-drive pump 1, liquid pushing tube 10 axially consistent with the tangent direction of inner peripheral surface 8c, a part of 10b of liquid pushing tube 10 is consistent with the tangent line of inner peripheral surface 8c.Thus, can realize the high efficiency of increase and the liquor charging action of liquor charging amount.
In addition, the impeller 17 of motor-drive pump 1 consists of 3 pieces of blade parts 19,19,19, by making like this piece number of blade part 19, is less 3 pieces, can reduce the resistance of cleaning solution to impeller 17 when rotated, reduces the load of drive motor 16.
In addition, by making piece number of blade part 19, be less 3 pieces, can increase the cleaning solution capacity in cavity 14a.
But in motor-drive pump 1, piece number of the blade part 19 of impeller 17 is not defined as 3 pieces, can form any piece.
As mentioned above, showing motor-drive pump 1 is applied to for the Headlamp cleaner to vehicle head lamp ejection cleaning solution.But this motor-drive pump 1 also can be applied even more extensively in the various lamps apparatus for vehicle that comprise Headlamps, or be applied even more extensively in the vehicle window cleaning unit of the windshield ejection cleaning solution for to vehicle.
Although show the present invention according to above-described embodiment, the present invention is not limited to above-described embodiment, can carry out various changes.The assembly illustrating in the above-described embodiments can be suitably in conjunction with and form various variant.For example, a part in all component, illustrating in this embodiment can be removed or suitably combination.
For implementing shape and the structure of the each several part shown in the optimal way of foregoing invention, all only show an example of specializing when of the present invention implementing, can not limit thus and explain technical scope of the present invention.
Claims (5)
1. a motor-drive pump, is characterized in that, has:
Housing, its inside has by inner peripheral surface around the cavity forming, and sucks and temporarily accommodate liquid;
Pick-up tube, its as be sucked into aforementioned cavity aforementioned liquids imbibition path and arrange, and one end has suction port, the other end is communicated with aforementioned cavity;
Liquid pushing tube, its liquor charging path as the aforementioned liquids from aforementioned cavity ejection and arranging, and one end has ejiction opening, and the other end is communicated with aforementioned cavity;
Drive motor, it is configured in aforementioned enclosure interior, has live axle; And
Impeller, it is fixed on the live axle of aforementioned drive motor, by the driving force of aforementioned drive motor, at the internal rotating of aforementioned cavity and aforementioned pick-up tube, carries out suction and the ejection of aforementioned liquids,
Aforementioned impeller has the bearing portion being fixed on aforementioned live axle and the blade part radially protruding from this bearing portion,
Aforementioned blade part have with the consecutive base portion of aforementioned bearings portion and with the consecutive front end of this base portion,
Aforementioned base portion forms the curve-like protruding to the sense of rotation of described impeller,
Aforementioned front end forms the curve-like protruding to the contrary direction of the sense of rotation with aforementioned impeller,
In aforementioned impeller, aforementioned base portion is to the elongation line of aforementioned bearing portion, and take the reference line that the center of aforementioned bearing portion extends along radiation direction as benchmark, tangent in the center of aforementioned bearings portion.
2. motor-drive pump according to claim 1, is characterized in that,
The outer end of the blade part of aforementioned impeller approaches the aforementioned inner peripheral surface that forms aforementioned cavity.
3. motor-drive pump according to claim 1 and 2, is characterized in that,
Aforementioned liquid pushing tube axially consistent with the tangent direction of aforementioned inner peripheral surface.
4. motor-drive pump according to claim 1, is characterized in that,
By aforementioned inner peripheral surface cylindraceous around and form aforementioned cavity.
5. motor-drive pump according to claim 1, is characterized in that,
Aforementioned impeller consists of 3 pieces of blade parts.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009074012A JP5393217B2 (en) | 2009-03-25 | 2009-03-25 | Headlamp cleaner motor pump |
| JP2009-074012 | 2009-03-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101846084A CN101846084A (en) | 2010-09-29 |
| CN101846084B true CN101846084B (en) | 2014-07-16 |
Family
ID=42332402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010141009.6A Expired - Fee Related CN101846084B (en) | 2009-03-25 | 2010-03-25 | Motor pump |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2236835B1 (en) |
| JP (1) | JP5393217B2 (en) |
| CN (1) | CN101846084B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5414627B2 (en) | 2010-06-07 | 2014-02-12 | 株式会社東芝 | Semiconductor light emitting device and manufacturing method thereof |
| CN104179727B (en) * | 2013-05-22 | 2019-02-05 | 德昌电机(深圳)有限公司 | Pump |
| CN106194823B (en) * | 2015-04-30 | 2020-03-24 | 浙江三花汽车零部件有限公司 | Centrifugal pump |
| US10584705B2 (en) | 2015-04-30 | 2020-03-10 | Zhejiang Sanhua Automotive Components Co., Ltd. | Centrifugal pump and method for manufacturing the same |
| CN106194756B (en) * | 2015-04-30 | 2020-02-14 | 浙江三花汽车零部件有限公司 | Centrifugal pump manufacturing method |
| CN110352150B (en) * | 2017-03-24 | 2023-04-04 | 株式会社村上开明堂 | Cleaning device |
| CN110341653A (en) * | 2019-08-08 | 2019-10-18 | 温岭市华康汽车零部件有限公司 | A kind of windshield wiper water spray motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9206053U1 (en) * | 1991-05-22 | 1992-07-02 | Zanussi Elettrodomestici S.P.A., Pordenone | Rotor for a centrifugal pump |
| WO2004046558A1 (en) * | 2002-11-19 | 2004-06-03 | Volvo Lastvagnar Ab | Centrifugal pump |
| JP2008101553A (en) * | 2006-10-19 | 2008-05-01 | Yamada Seisakusho Co Ltd | Impeller of water pump |
| CN101337537A (en) * | 2007-07-05 | 2009-01-07 | 株式会社小糸制作所 | Motor pump for headlamp cleaner |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01159198U (en) * | 1988-04-22 | 1989-11-02 | ||
| US7241114B2 (en) | 2002-10-30 | 2007-07-10 | Siemens Ag | Rotor for a centrifugal pump |
| NL1031687C2 (en) * | 2006-04-25 | 2007-10-26 | Ihc Holland Ie Bv | Centrifugal pump and rotor. |
-
2009
- 2009-03-25 JP JP2009074012A patent/JP5393217B2/en active Active
-
2010
- 2010-03-09 EP EP20100155912 patent/EP2236835B1/en not_active Not-in-force
- 2010-03-25 CN CN201010141009.6A patent/CN101846084B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9206053U1 (en) * | 1991-05-22 | 1992-07-02 | Zanussi Elettrodomestici S.P.A., Pordenone | Rotor for a centrifugal pump |
| WO2004046558A1 (en) * | 2002-11-19 | 2004-06-03 | Volvo Lastvagnar Ab | Centrifugal pump |
| JP2008101553A (en) * | 2006-10-19 | 2008-05-01 | Yamada Seisakusho Co Ltd | Impeller of water pump |
| CN101337537A (en) * | 2007-07-05 | 2009-01-07 | 株式会社小糸制作所 | Motor pump for headlamp cleaner |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2236835B1 (en) | 2013-08-07 |
| EP2236835A1 (en) | 2010-10-06 |
| CN101846084A (en) | 2010-09-29 |
| JP2010223168A (en) | 2010-10-07 |
| JP5393217B2 (en) | 2014-01-22 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20210325 |
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| CF01 | Termination of patent right due to non-payment of annual fee |