CN101846084A - Motor-drive pump - Google Patents
Motor-drive pump Download PDFInfo
- Publication number
- CN101846084A CN101846084A CN 201010141009 CN201010141009A CN101846084A CN 101846084 A CN101846084 A CN 101846084A CN 201010141009 CN201010141009 CN 201010141009 CN 201010141009 A CN201010141009 A CN 201010141009A CN 101846084 A CN101846084 A CN 101846084A
- Authority
- CN
- China
- Prior art keywords
- aforementioned
- impeller
- motor
- cavity
- drive pump
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—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
Abstract
The invention provides a kind of motor-drive pump, its realize cleaning solution the liquor charging amount increase and at the raising of the liquor charging pressure of cleaning solution.This motor-drive pump is provided with: housing (2), and it has the cavity (14a) of accommodating cleaning solution; Pick-up tube (11), it is provided with as being sucked into the imbibition path of the cleaning solution in the cavity; Liquid pushing tube (10), it is as being provided with from the liquor charging path of the cleaning solution of cavity ejection; Drive motor (15), it has live axle (15a); And impeller (17), it is fixed on the live axle of drive motor, in the rotation of the inside of cavity and pick-up tube, the blade part that bearing portion (18) is set on impeller and protrudes from this bearing portion, on blade part, be provided with the consecutive base portion of bearing portion and with the consecutive front end of this base portion, base portion forms the curve-like that protrudes to the sense of rotation of impeller, and front end forms the curve-like that protrudes to the direction opposite with the sense of rotation of impeller.
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 the liquor charging amount increase and at the raising of the liquor charging pressure of cleaning solution.
Background technique
Known a kind of Headlamp cleaner, its part to be moving from the mode that is formed at the opening portion turnover on car body or the bumper, and the radiator grille of headlight for automobile is cleaned.
Headlamp cleaner has the nozzle of jet cleaning liquid and has the cylinder body of supplying pipe, via the supplying pipe cleaning liquid supplied, cleans radiator grille by nozzle to the radiator grille injection of headlight for automobile from this cylinder body.
By motor-drive pump with cleaning solution supplying to cylinder body, in the internal configurations of motor-drive pump the drive motor with live axle is arranged.Be provided with in motor-drive pump as the pick-up tube of the suction path that sucks cleaning solution with as the liquid pushing tube of the liquor charging path of the cleaning solution that is sucked, pick-up tube is connected with liquid container, and liquid pushing tube is via the supplying pipe binding of flexible pipe and cylinder body.
Can support in the inside of motor-drive pump with rotating freely and to be used to carry out the imbibition of cleaning solution and the impeller of liquor charging, the rotation by impeller sucks motor-drive pump with cleaning solution from liquid container, and from motor-drive pump cleaning solution is carried out 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 put down in writing forms the curve-like that is offset gradually near front end and to the direction opposite with the sense of rotation of impeller along with from bearing portion.
Patent documentation 1: the spy opens the 2006-299898 communique
Summary of the invention
But, in the motor-drive pump that patent documentation 1 is put down in writing, because as mentioned above, the blade part of impeller forms the curve-like that is offset gradually near front end and to the direction opposite with the sense of rotation of impeller along with from bearing portion, so there is following problems, that is, with cleaning solution to the pressure of the blade part that the liquid pushing tube side pressure goes out a little less than, be difficult to guarantee higher liquor charging pressure at cleaning solution.
In addition, owing to be difficult to guarantee higher liquor charging pressure, so the cleaning solution that also has a time per unit is to the less problem of washing unit liquor charging amount.
Therefore, problem of the present invention is, at motor-drive pump, realize cleaning solution the liquor charging amount increase and at the raising of the liquor charging pressure of cleaning solution.
In order to solve above-mentioned problem, motor-drive pump has: housing, its inside have by inner peripheral surface around the cavity that forms, suck and also temporarily accommodate liquid; Pick-up tube, it is provided with as the imbibition path of the aforementioned liquids that is sucked into aforementioned cavity, and an end has suction port, and the other end is communicated with aforementioned cavity; Liquid pushing tube, it is as being provided with from the liquor charging path of the aforementioned liquids of aforementioned cavity ejection, and an 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, inside by the driving force of aforementioned drive motor in aforementioned cavity and aforementioned pick-up tube rotates, carry out the suction and the ejection of aforementioned liquids, aforementioned impeller has the bearing portion that is fixed on the aforementioned live axle, with the blade part that radially protrudes 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 that protrudes to the sense of rotation of described impeller, and aforementioned front end forms the curve-like that protrudes to the direction opposite with the sense of rotation of aforementioned impeller.
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, its inside have by inner peripheral surface around the cavity that forms, suck and also temporarily accommodate liquid; Pick-up tube, it is provided with as the imbibition path of the aforementioned liquids that is sucked into aforementioned cavity, and an end has suction port, and the other end is communicated with aforementioned cavity; Liquid pushing tube, it is as being provided with from the liquor charging path of the aforementioned liquids of aforementioned cavity ejection, and an 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, inside by the driving force of aforementioned drive motor in aforementioned cavity and aforementioned pick-up tube rotates, carry out the suction and the ejection of aforementioned liquids, aforementioned impeller has the bearing portion that is fixed on the aforementioned live axle, with the blade part that radially protrudes 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 that protrudes to the sense of rotation of described impeller, and aforementioned front end forms the curve-like that protrudes to the direction opposite with the sense of rotation of aforementioned impeller.
Thus and since the surface of the sense of rotation side of front end towards tangent direction near sense of rotation, so can realize cleaning solution the liquor charging amount increase and at the raising of the liquor charging pressure of cleaning solution.
In the invention that technological scheme 2 is put down in writing, owing to make the approaching aforementioned inner peripheral surface that forms aforementioned cavity of front end of the blade part of aforementioned impeller, so can realize further increasing the liquor charging amount of cleaning solution by improving liquor charging pressure.
In the invention that technological scheme 3 is put down in writing, owing to make the axially consistent of aforementioned liquid pushing tube with the tangent direction of aforementioned inner peripheral surface, and make that the part of internal surface of aforementioned liquid pushing tube is consistent with the tangent line of aforementioned inner peripheral surface, so can realize the high efficiency of the increase and the liquor charging action of liquor charging amount.
Description of drawings
Fig. 1 is the figure that represents the optimal way of motor-drive pump of the present invention with Fig. 2 to Fig. 5, and 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 the III-III line of Fig. 2.
Fig. 4 is the amplification oblique drawing of impeller.
Fig. 5 is the schematic representation of the blade part shape of expression impeller.
Embodiment
Below, with reference to accompanying drawing, describe at the optimal way that is used to implement motor-drive pump of the present invention.
Motor-drive pump 1 has housing 2 and the various piece that is configured in necessity of these housing 2 inside as shown in Figures 1 and 2.
Housing 2 is combined between the higher and lower levels by upper casing body 3 and lower casing body 4 and constitutes.
Leaning on the position of lower end of week facial 5, form engagement groove 5a and engaging protuberance 5b up and down continuously.
On inaccessible facial 6 upper surface, be provided with the connector portion 7 of protruding upward integratedly.Internal configurations splicing ear 7a in connector portion 7, this splicing ear is connected with not shown power connector to drive motor supply capability described later.
Leaning on the position of upper end of week facial 8, be formed with engaging protuberance 8a and engagement groove 8b up and down continuously.On the underpart in week facial 8, be provided with the liquid pushing tube 10 that protrudes to the side integratedly.End (front end) at liquid pushing tube 10 forms ejection 10a, and the other end is communicated with the aftermentioned cavity that is formed at housing 2 inside.
Be provided with the pick-up tube of protruding 11 integratedly downwards at inaccessible facial 9 central part.End (lower end) in pick-up tube 11 forms suction port 11a, and the other end is communicated with the cavity of the inside that is formed at 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 that runs through up and down.By internal configurations dividing plate 12, thereby, forming upside space 13 and lower side space 14 up and down respectively in the inside of housing 2 at lower casing body 4.
In upside space 13, dispose drive motor 15.Drive motor 15 is made of drive coil or magnet etc., has the live axle 15a that extends up and down at central part.The part of live axle 15a is protruded downwards.
In lower side space 14, dispose rubber bush 16 at the downside of dividing plate 12.Rubber bush 16 forms the state in the inside that is entrenched in lower casing body 4, has the axle supported hole 16a that runs through up and down at central part.Rubber bush 16 has the function that prevents that the aftermentioned cleaning solution from invading to upside space 13 from lower side space 14.
The part of protruding downwards among the live axle 15a of drive motor 15 is inserted among the shaft through-hole 12a of dividing plate 12, and the axle supported hole 16a that runs through rubber bush 16 is and supported, and protrude downwards from rubber bush 16 underpart.
In the lower casing body 4 of lower side space 14, the part by the internal surface of the lower surface of the inner peripheral surface 8c in week facial 8, rubber bush 16 and occlusive part 9 surrounds 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.
Impeller 17 (with reference to Fig. 2 and Fig. 3) can be supported in inside in cavity 14a and pick-up tube 11 with rotating freely.Impeller 17, forms and constitutes by bearing portion 18 with from the blade part 19,19,19 that this bearing portion 18 radially protrudes to shown in Figure 4 as Fig. 2.
In bearing portion 18, form the fixing hole 18a that uses of opening upward.
Liquor charging with blade 21 by constituting with the 18 consecutive base portion 21a of bearing portion with the consecutive front end 21b of this base portion 21a.Base portion 21a compares with front end 21b, and the length on the direction of extending to the side is longer.
In impeller 17, elongation line Q, the Q of base portion 21a, 21a, 21a, Q form circular-arc, and it becomes tangent line with respect to equally spaced 3 foundation directrix T, T, T along the extension of radiation direction that the center M with bearing portion 18 is benchmark at center M place.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 flowability of cleaning solution.
The fixing of bearing portion 18 at impeller 17 used among 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 the 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 utilizes the driving force of drive motor 15 and rotates in the inside of cavity 14a and pick-up tube 11.
Be configured at impeller 17 under the state of inside of cavity 14a and pick-up tube 11, liquor charging is positioned at position (with reference to Fig. 3) near the inner peripheral surface 8c of 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 have the position of the state of fixed interval (FI).
In addition, liquid pushing tube 10 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 with the tangent line (S shown in Figure 3) of inner peripheral surface 8c apart from the outermost part 10b of the rotating center of impeller 17.
In the motor-drive pump 1 of formation as implied above, if drive motor 15 rotation, then impeller 17 rotation by its driving force.If impeller 17 rotations, then by imbibition blade 20,20,20, never illustrated liquid container is sucked into cleaning solution among the cavity 14a via pick-up tube 11, by liquor charging with blade 21,21,21 via liquid pushing tube 10 with the cleaning solution supplying that sucked not shown cylinder body to Headlamp cleaner.The cleaning solution that is supplied to cylinder body sprays to the radiator grille of headlight for automobile from the nozzle of Headlamp cleaner, thereby cleans this radiator grille.
When 17 rotations of above-mentioned impeller, from cavity 14a when liquid pushing tube 10 is sent cleaning solution,, with blade 21,21,21 cleaning solution that temporarily is housed among the cavity 14a is extruded to the inside of liquid pushing tube 10 by the liquor charging that in cavity 14a, is rotated.
At this moment, because as mentioned above, liquor charging forms the mild curve-like that protrudes to the sense of rotation of impeller 17 with base portion 21a, 21a, the 21a of blade 21,21,21, so flow resistance is less, cleaning solution is easily from the 18 side direction front end 21b of bearing portion, 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 the mild curve-like that protrudes to the direction opposite with impeller 17 sense of rotation with front end 21b, 21b, the 21b of blade 21,21,21, so surperficial 21c, the 21c of the sense of rotation side of front end 21b, 21b, 21b, 21c (with reference to Fig. 3) towards with the surface of the sense of rotation side of base portion 21a, 21a, 21a towards comparing, near the tangent direction on the sense of rotation.Thus, can realize cleaning solution the liquor charging amount increase and at the raising of the liquor charging pressure of cleaning solution.
And, because liquor charging forms the mild curve-like that protrudes to the direction opposite with the sense of rotation of impeller 17 with front end 21b, 21b, the 21b of blade 21,21,21, so be adjusted, near front end 21b, 21b, 21b, be pressure energy with the speed power conversion efficiently from base portion 21a, 21a, near 21a side flow to the eddy current of the cleaning solution front end 21b, 21b, the 21b.Thus, can realize cleaning solution the liquor charging amount increase and at 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 position near the inner peripheral surface 8c of the lower casing body 4 that forms cavity 14a with each front end of blade 21,21,21, so, can realize further increasing the liquor charging amount of cleaning solution by the raising of liquor charging pressure.
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 the increase and the liquor charging action of liquor charging amount.
In addition, the impeller 17 of motor-drive pump 1 is made of 3 pieces of blade parts 19,19,19, is less 3 pieces by piece number that makes blade part 19 like this, and can reducing when rotated, cleaning solution reduces the load of drive motor 16 to the resistance of impeller 17.
In addition, be less 3 pieces by piece number that makes blade part 19, can increase the cleaning solution capacity among the 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, show the Headlamp cleaner that motor-drive pump 1 is applied to be used for spraying to vehicle head lamp 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, perhaps is applied even more extensively in the vehicle window cleaning unit that is used for to the windshield ejection cleaning solution of vehicle.
Though show the present invention according to the foregoing description, the present invention is not limited to the foregoing description, can carry out various changes.The assembly that illustrates in the above-described embodiments can be suitably in conjunction with and form various variant.For example, the part in all component that illustrates in this embodiment can be removed or suitably combination.
At the shape and the structure that are used to implement 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 be thus explanation technical scope of the present invention with limiting.
Claims (5)
1. motor-drive pump is characterized in that having:
Housing, its inside have by inner peripheral surface around the cavity that forms, suck and also temporarily accommodate liquid;
Pick-up tube, it is provided with as the imbibition path of the aforementioned liquids that is sucked into aforementioned cavity, and an end has suction port, and the other end is communicated with aforementioned cavity;
Liquid pushing tube, it is as being provided with from the liquor charging path of the aforementioned liquids of aforementioned cavity ejection, and an 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, in the rotation of the inside of aforementioned cavity and aforementioned pick-up tube, carries out the suction and the ejection of aforementioned liquids by the driving force of aforementioned drive motor,
Aforementioned impeller has bearing portion that is fixed on the aforementioned live axle and the blade part that radially protrudes 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 that protrudes to the sense of rotation of described impeller,
Aforementioned front end forms the curve-like that protrudes to the direction opposite with the sense of rotation of aforementioned impeller.
2. motor-drive pump according to claim 1 is characterized in that,
The front end of the blade part of aforementioned impeller is near 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 is made 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 true CN101846084A (en) | 2010-09-29 |
| CN101846084B 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110352150A (en) * | 2017-03-24 | 2019-10-18 | 株式会社村上开明堂 | Cleaning device |
Families Citing this family (5)
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9206053U1 (en) * | 1991-05-22 | 1992-07-02 | Zanussi Elettrodomestici S.P.A., Pordenone, It | |
| WO2004046558A1 (en) * | 2002-11-19 | 2004-06-03 | Volvo Lastvagnar Ab | Centrifugal pump |
| US20050191176A1 (en) * | 2002-10-30 | 2005-09-01 | Siemens Aktiengesellschaft | Rotor for a 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01159198U (en) * | 1988-04-22 | 1989-11-02 | ||
| 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 (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9206053U1 (en) * | 1991-05-22 | 1992-07-02 | Zanussi Elettrodomestici S.P.A., Pordenone, It | |
| US20050191176A1 (en) * | 2002-10-30 | 2005-09-01 | Siemens Aktiengesellschaft | 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110352150A (en) * | 2017-03-24 | 2019-10-18 | 株式会社村上开明堂 | Cleaning device |
| US11524659B2 (en) | 2017-03-24 | 2022-12-13 | Murakami Corporation | Cleaning device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010223168A (en) | 2010-10-07 |
| EP2236835A1 (en) | 2010-10-06 |
| EP2236835B1 (en) | 2013-08-07 |
| CN101846084B (en) | 2014-07-16 |
| JP5393217B2 (en) | 2014-01-22 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |