CN107269572A - Immersible pump and the method for starting this pump - Google Patents
Immersible pump and the method for starting this pump Download PDFInfo
- Publication number
- CN107269572A CN107269572A CN201710216950.1A CN201710216950A CN107269572A CN 107269572 A CN107269572 A CN 107269572A CN 201710216950 A CN201710216950 A CN 201710216950A CN 107269572 A CN107269572 A CN 107269572A
- Authority
- CN
- China
- Prior art keywords
- liquid
- pump
- base
- seal member
- configuration
- 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
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
- F04D29/08—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
- 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
-
- 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
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
-
- 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
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
- F04D13/086—Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps 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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially 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
- F04D9/00—Priming; Preventing vapour lock
- F04D9/007—Preventing loss of prime, siphon breakers
- F04D9/008—Preventing loss of prime, siphon breakers by means in the suction mouth, e.g. foot valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
This immersible pump (P) for discharging liquid includes shell (21), the base (3) of shell (21), base (3) includes at least one the liquid suction hole for being suitable to reversibly be positioned in two single configurations of pump (P), first configuration is intended to liquid of the suction full of solid particle, and another configuration is intended to aspirate limpid liquid.Base (3) includes the part (32) that at least one is used to seal at least one liquid suction hole, and the part (32) is suitable to some liquid in sealing preserve shell (21) is allowed in the case that pump (P) is not activated.
Description
Technical field
The present invention relates to a kind of immersible pump for discharging liquid and a kind of method for being used to start this pump.
Background technology
Especially from allowing known to FR-B-2,922,609, liquid or plan of the discharge full of solid particle are complete to discharge clear
The immersible pump of clear liquid.These pumps generally using make it possible to increase liquid suction channel size can configuration base.
But, it is allowed to which the suction system especially turbine of these changes in configuration can not be as low as possible in shell,
This means the water that there must be significantly height (such as 10cm), to make pump startup.Therefore, the clear of low height must aspirated
In the case of clear water, pump will not start.
In addition, when the pump stops, the big quantity of fluid included in the pump housing and discharging hose splashes on the ground.
It is contemplated that solving these shortcomings by proposing a kind of new immersible pump, the new immersible pump can be small
Be activated in the clear liquid of height, while also allow suction full of particle liquid, therefore the pump housing suction system stopping after
Keep sealing.
The content of the invention
Therefore, the present invention relates to a kind of immersible pump for discharging liquid, the immersible pump includes shell, the bottom of shell
Seat, the base of the shell includes at least one liquid suction for being suitable to reversibly be positioned in two single configurations of pump
Hole, the first configuration is intended to liquid of the suction full of solid particle, and another configuration is intended to aspirate limpid liquid.The feature of this pump
It is, base includes the part that at least one is used to seal at least one liquid suction hole, the part is suitable to do not activating pump
In the case of allow sealing preserve shell in some water.
Due to the present invention, pump can be filled with liquid until suction system is submerged, and this allows to start pump regardless of whether pump quilt
The height for the liquid being placed in.In addition, seal member prevents liquid from spilling when pump stops.
According to the favourable but optional aspect of the present invention, the pump, which can be included, to be considered separately or with any technical
One or more of following characteristics that possible combination considers：
- in limpid liquid pumping configuration, seal member is suitable to be maintained at closed position.
- seal member is maintained in its closed position by gravity and/or by spring.
The operation of-seal member can be deactivated.
- pump includes the device for being used to being maintained at seal member into open position, described to be beaten for seal member to be maintained at
The device of open position is suitable to make the operation of seal member invalid.
The operation of-seal member by by base be positioned at it with for aspirate full of solid particle liquid configuration
Corresponding position and be deactivated.
- base is suitable to reversibly be arranged on the configuration for aspirating limpid liquid and is full of solid particle for aspirating
Liquid configuration between, and for aspirate full of solid particle liquid configuration in, base, which is limited, is positioned to remote
From the liquid aspiration path of seal member.
- seal member is the valve suitable for being contacted with bearing, and the bearing is formed around liquid suction hole by base.
- valve includes flat upper portion part and seal washer, and the flat upper portion part is suitable to the edge with liquid suction hole
Contact, the seal washer is arranged on the periphery of flat upper portion part and suitable for being crushed on base and flat upper part
Between.
- bearing and/or seal member include flexible member, and the flexible member is suitable to make between bearing and seal member
Sealing is perfect.
- bearing is equipped with to be allowed to touch seal member with the separable ring of base, the ring.
- seal member has approximately spherical or conical shape.
The invention further relates to a kind of method for being used to start pump as described above.This method includes following successive step
Suddenly：
A) base is positioned to its position corresponding with the configuration for aspirating limpid liquid,
B) with liquid filling shell the suction system of pump is submerged,
C) executing agency of the driving suction system of pump is started.
Brief description of the drawings
The present invention and its are better understood with by reading the following description for only providing and carrying out referring to the drawings as example
Advantage, in the accompanying drawings：
- Fig. 1 is the sectional view of the pump according to the present invention；
- Fig. 2 is Fig. 1 details II zoomed-in view, shows seal member in the closed position；
- Fig. 3 is the view similar to Fig. 2, and seal member is in an open position；
- Fig. 4 is the bottom perspective view of Fig. 2 and Fig. 3 seal member；
- Fig. 5 and Fig. 6 is the view similar to Fig. 2, respectively illustrates the opening and closing in using configuration the second of pump
Seal member；
- Fig. 7 is for second embodiment of the present invention, similar to Fig. 2 view.
Embodiment
Fig. 1 shows that immersible pump P, immersible pump P include shell 21, and shell 21 is intended to accommodate liquid to be discharged.Shell
21 can partially or fully flood in a liquid.Term top, bottom, upper and lower part are related to pump P operating position,
I.e. as illustrated in FIG. 1 relative to assuming it is that the surface on horizontal ground is vertical in this example.
Shell 21 limits main volume 20, and the electric operator being made up of in this example motor 22 is placed in master
In volume 20.Motor 22 includes the rotating output shaft 225 extended along axis Z22.Axis Z22 is in Fig. 1 and when pump P is leaned on
It is vertical when putting on horizontal floor.
Blade rotor 5 is fixed to output shaft 225 by unshowned nut.When output shaft 225 is rotated by motor 22
When, blade rotor 5 rotates around axis Z22.
Pump P includes base 3, and liquid to be discharged is aspirated at base 3.Pump P is equipped with delivery nozzle 13, liquid L
It can be discharged by the delivery nozzle 13.No matter liquid L be filled or it is limpid, liquid L from pump P bottom flow to pump
P top, is sucked in pump P bottom liquid at base 3, is discharged in the overhead-liquid of pump by nozzle 13.Therefore, nozzle
13 are positioned to shell 21 ft connection with shell 21.
Base 3 is suitable to reversibly be positioned at corresponding with pump P two single configurations respectively first and second
Put, the first configuration shown in Fig. 1 is intended to aspirate limpid liquid, another configuration shown in Fig. 5 and Fig. 6 is intended to suction and is full of
The liquid of solid particle.The water being filled refers to include such as leaf, the gravel that can reach 30mm, the particle mud
Liquid.It is reversible to mean that base 3 is disassembled with easily from its first position to its second place, otherwise also
So.The main distinction between configuration for discharging the pump P between the liquid being filled or limpid liquid is by base 3
The size for the corresponding discharge unit that geometry is limited.Base 3 is suitable to reversibly be arranged on and is used to aspirate limpid liquid
Configuration and for aspirate full of solid particle liquid configuration between.The operation is retouched in patent FR-B-2,922,609
State and will not repeat in detail in this manual.
Shell 21 includes being provided with the bottom of opening 24.Opening 24 is surrounded by seal washer 26.Base 3 is aspirated including liquid
Hole 30, liquid suction hole 30 and opening 24 are internally formed between volume 20 and the outside on the side of base 3 of shell 21
Flow path of the liquid.Base 3 includes pipeline 31, and the pipeline 31 and hole 30 are coaxial and are supported on seal 26 so that needs
The liquid flowed from volume 20 passes through hole 30.Thus it is ensured that the sealing between base 3 and shell 21.In the second of base 3
Put, pipeline 31 is no longer bearing on seal 26.Sealing between base 3 and shell 21 is eliminated, and therefore liquid enter base 3
The space 36 for being located remotely from pipeline 31.
According to the present invention, base 3 includes the part for sealing hole 30.The seal member is suitable to do not activating electronic execution
Allow some liquid in sealing preserve shell 21 in the case of mechanism 22.
In this example, seal member is valve 32, and the bearing 34 that valve 32 is suitable to being formed around hole 30 by base 3 connects
Touch.Valve 32 includes flat upper portion part 320 and seal washer 322, and flat upper portion part 320 is suitable to the hole 30 with forming bearing 34
EDGE CONTACT, seal washer 322 is arranged on the periphery of flat upper portion part 320 and suitable for being crushed on the peace of base 3
Between smooth upper part 320.
Advantageously, valve 32 at least partly can be made up of the polymer of fiberfill fibers, and the polymer of the fiberfill fibers can be held
By abrasion and collision from the particle (such as stone) conveyed by liquid to be discharged.
In limpid liquid pumping configuration, when shell 21 is that empty and pump P (is placed on Fig. 1 in operating position
In on general planar surface in the upright position that shows) and when being ready to be activated, valve 32 is suitable to be maintained at closed position.
This holding of the valve 32 in closed position allows filling, so as to allow to start pump P.
In the example shown, valve 32 is maintained in its closed position by gravity.About 0.5N power is necessary to insure that
The correct closing of valve 32.
In the closed position, internal capacity 20 can be hydraulically full, and the liquid does not flow through hole 30.This especially makes it possible to
Pump P avoids the flowing of liquid when stopping.
When that must aspirate the liquid of low height (such as 5mm), pump P is started by continuous step, the continuous step
It is rapid to include base 3 being positioned at its first position corresponding with the configuration for aspirating limpid liquid, then filled out with liquid
Shell 21 is filled so that blade rotor 5 is submerged.Advantageously, the filling can be completed by nozzle 13.Finally, electronic execution is started
Mechanism 22.When blade rotor 5 is submerged, pump P is correctly started.
When pump P starts, the rotation of blade rotor 5 produces vacuum, and vacuum causes arrow F1 of the valve 32 along Fig. 3 and branch
Seat 34 is separated.Therefore, hole 30 is to open, and this allows the liquid to be sucked.
Valve 32 includes base section 324, and the base section 324 forms by the peripheral contact with hole 30 to limit valve 32
The stop part vertically travelled.Upper part 320 and low portion 324 are by the branch 326 or at least one branch that separate
Connection, to allow the flowing of liquid.
Advantageously, it may be such that the operation of valve 32 is invalid in the configuration for aspirating liquid filling body.Meaning can be deactivated
Valve 32 and open or close position according to selected can be locked in of the user by pump P.In this example, the behaviour of valve 32
Make can by by base 3 be positioned at its with for aspirating corresponding second place of configuration of the liquid full of solid particle
It is deactivated.In fact, as shown in Figure 6, when base 3 is in its second place, valve 32 is drawn towards its open position by gravity
Put.In unshowned alternate embodiment, pump P can include the device for being used to being maintained at valve 32 into open position, for example, fit
In making the invalid pin of operation of valve.
In the configuration for aspirating the liquid full of solid particle, base 3 is limited shown in the arrow F2 in Fig. 5
Be located remotely from the liquid aspiration path of valve 32, contained particle in this liquid due to suction and prevent that valve 32 is invalid.
According to one of the present invention optional aspect, bearing 34 is arranged on such as ring 35 of separable part, described
Ring 35 can be fixed to base 3 by clamp or screw engagement, to allow to touch valve 32 or more generally touch sealing
Part, especially to be cleaned to it.
The second embodiment of the present invention figure 7 illustrates.In this embodiment, the element shared with first embodiment has
Identical reference and operate in an identical manner.Hereafter only summarize the difference relative to first embodiment.
In this embodiment, valve 32 or more generally say that seal member has and limit the outer of approximately spherical surface 328
Portion's shape, to ensure automatic-sealed when valve 32 is maintained in its closed position by gravity.The form of ball can be especially presented in valve 32.It is preferred that
Ground, bearing 34 is configured as receiving valve 32 with so that it is optimal to seal.For example, the geometry with valve 32 can be used in bearing 34
Complementary spherical geometry carrys out configuration.
In unshowned alternate embodiment, valve 32 can have the general conical or butt circle widened towards opening 24
The outer shape of taper.
According to figure 7 illustrates the optional aspect of the invention that still can be applied to first embodiment, valve 32 can pass through
It is maintained in its closed position instead of gravity or the spring for being combined and being acted on gravity 38.As an example, spring 38 can be placed on
Between valve 32 and the element 40 protruded from pipeline 31.In the configuration of the water for aspirating filling, valve 32 is kept by spring 38
In closed position, which has limited make valve 32 and hole 30 dirty.
According to unshowned one embodiment of the present invention, pump P can include the more than one hole for pumping liquid
30.At least one in this some holes may consider several in this some holes or even all match somebody with somebody equipped with seal member
Have this part.
According to unshowned another embodiment, bearing 34 and/or valve 32 or more generally seal member can include
Suitable for making the perfect flexible member of the sealing between bearing and seal member.Flexible member refers to that part is soft or deformable
Element, such as natural rubber.
The technical characteristic of embodiments described and alternate embodiment can be combined, to constitute the new of the present invention
Embodiment.
Claims (13)
1. a kind of immersible pump (P) for discharging liquid, the immersible pump (P) includes shell (21), the bottom of the shell (21)
Seat (3), the base (3) includes at least one liquid for being suitable to reversibly be positioned in two single configurations of pump (P)
Suction hole (30), the first configuration is intended to liquid of the suction full of solid particle, and another configuration is intended to aspirate limpid liquid, and it is special
Levy and be, the base (3) includes the part (32) that at least one is used to seal at least one liquid suction hole (30), the portion
Part (32) is suitable to allow some liquid in shell (21) described in sealing preserve when the pump (P) is not activated.
2. pump according to claim 1, it is characterised in that in limpid liquid pumping configuration, the seal member
(32) it is suitable to be maintained at closed position.
3. pump according to claim 1, it is characterised in that the seal member (32) is by gravity and/or passes through spring
(38) it is maintained in its closed position.
4. the pump according to one in preceding claims, it is characterised in that the operation of the seal member (32) can be by
It is invalid.
5. pump according to claim 4, it is characterised in that the pump includes being used to the seal member (32) being maintained at
The device of open position, it is described to be used to be suitable to the device that the seal member (32) is maintained at open position to make the sealing
The operation of part (32) is invalid.
6. pump according to claim 4, it is characterised in that the operation of the seal member (32) is by by the base
(3) it is positioned at its position corresponding with the configuration for aspirating the liquid full of solid particle and is deactivated.
7. pump according to claim 6, it is characterised in that the base (3) is suitable to be used to aspirate by reversible being arranged on
Between the configuration of limpid liquid and the configuration for aspirating the liquid full of solid particle, and it is used to aspirate described
In the configuration of liquid full of solid particle, the base (3) limits the liquid for being located remotely from the seal member (32)
Aspiration path (F2).
8. pump according to claim 1, it is characterised in that the seal member is the valve suitable for being contacted with bearing (34)
(32), the bearing (34) is formed around the liquid suction hole (30) by the base (3).
9. pump according to claim 8, it is characterised in that the valve (32) includes flat upper portion part (320) and sealed
Packing ring (322), the flat upper portion part (320) is suitable to the EDGE CONTACT with the liquid suction hole (30), the sealing gasket
Circle (322) is arranged on the periphery of the flat upper portion part (320) and is suitable to be crushed on the base (3) and described flat
Between smooth upper part (320).
10. the pump according to one in claim 8 and 9, it is characterised in that the bearing (34) and/or the sealing
Part (32) includes flexible member, and the flexible member is adapted so that close between the bearing (34) and the seal member (32)
Envelope is perfect.
11. pump according to claim 8, it is characterised in that the bearing (34) is equipped with can divide with the base (3)
From ring (35), the ring (35) allows to touch the seal member (32).
12. pump according to claim 1, it is characterised in that the seal member (32) has approximately spherical or conical
Shape.
13. one kind is used for the method for starting pump according to claim 1 (P), it is characterised in that methods described includes successive
The step of, the step includes：
Base (3) a) is positioned to its position corresponding with the configuration for aspirating limpid liquid,
B) filling shell (21) with liquid causes the suction system (5) of the pump (P) to be submerged,
C) executing agency (22) of the driving suction system (5) of the pump (P) is started.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1652942 | 2016-04-04 | ||
| FR1652942A FR3049660B1 (en) | 2016-04-04 | 2016-04-04 | SUBMERSIBLE PUMP AND PROCESS FOR STARTING UP SUCH A PUMP |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107269572A true CN107269572A (en) | 2017-10-20 |
| CN107269572B CN107269572B (en) | 2020-12-29 |
Family
ID=56101669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710216950.1A Active CN107269572B (en) | 2016-04-04 | 2017-04-05 | Submersible pump and method for starting such a pump |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3228869B1 (en) |
| CN (1) | CN107269572B (en) |
| FR (1) | FR3049660B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916476A (en) * | 2019-12-06 | 2021-06-08 | 苏州宝时得电动工具有限公司 | Cleaning machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3135220A (en) * | 1962-11-20 | 1964-06-02 | Richard H Haynes | Portable self-priming floor drainer pump assembly |
| CN1256377A (en) * | 1998-12-09 | 2000-06-14 | 株式会社基茨 | Ball check valve and lifting device using the same |
| DE102005031420A1 (en) * | 2005-07-04 | 2007-01-18 | Al-Ko Kober Ag | Combined submerged/flat-suction rotary pump, e.g. for sucking off dirty water/sewage, has an electric drive with a casing, a pump casing and an impeller |
| CN101413516A (en) * | 2007-10-18 | 2009-04-22 | 艾格赛尔产业公司 | Submersible pump |
| CN105745450A (en) * | 2013-11-16 | 2016-07-06 | 博泽沃尔兹堡汽车零部件有限公司 | Electromotive coolant pump |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61234294A (en) * | 1985-04-10 | 1986-10-18 | Tsurumi Seisakusho:Kk | Residual water disposer of submersible pump |
| JP2551568Y2 (en) * | 1991-03-05 | 1997-10-22 | 株式会社鶴見製作所 | Centrifugal pump strainer |
-
2016
- 2016-04-04 FR FR1652942A patent/FR3049660B1/en not_active Expired - Fee Related
-
2017
- 2017-04-03 EP EP17164631.8A patent/EP3228869B1/en active Active
- 2017-04-05 CN CN201710216950.1A patent/CN107269572B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3135220A (en) * | 1962-11-20 | 1964-06-02 | Richard H Haynes | Portable self-priming floor drainer pump assembly |
| CN1256377A (en) * | 1998-12-09 | 2000-06-14 | 株式会社基茨 | Ball check valve and lifting device using the same |
| DE102005031420A1 (en) * | 2005-07-04 | 2007-01-18 | Al-Ko Kober Ag | Combined submerged/flat-suction rotary pump, e.g. for sucking off dirty water/sewage, has an electric drive with a casing, a pump casing and an impeller |
| CN101413516A (en) * | 2007-10-18 | 2009-04-22 | 艾格赛尔产业公司 | Submersible pump |
| CN105745450A (en) * | 2013-11-16 | 2016-07-06 | 博泽沃尔兹堡汽车零部件有限公司 | Electromotive coolant pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916476A (en) * | 2019-12-06 | 2021-06-08 | 苏州宝时得电动工具有限公司 | Cleaning machine |
Also Published As
| Publication number | Publication date |
|---|---|
| FR3049660A1 (en) | 2017-10-06 |
| CN107269572B (en) | 2020-12-29 |
| EP3228869A1 (en) | 2017-10-11 |
| EP3228869B1 (en) | 2020-02-12 |
| FR3049660B1 (en) | 2021-10-15 |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| GR01 | Patent grant |