CN108843582A - A kind of water-cooled sewage dirt pump - Google Patents
A kind of water-cooled sewage dirt pump Download PDFInfo
- Publication number
- CN108843582A CN108843582A CN201810638947.3A CN201810638947A CN108843582A CN 108843582 A CN108843582 A CN 108843582A CN 201810638947 A CN201810638947 A CN 201810638947A CN 108843582 A CN108843582 A CN 108843582A
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- Prior art keywords
- cable
- water
- decompression
- stator
- cover
- 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.)
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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
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
-
- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/5886—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling by injection
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of water-cooled sewage dirt pumps, including pedestal, pump case, impeller, stator and rotor, the fixed connection in the upper end of the pedestal is equipped with pump case, the impeller is located at pump case inner cavity, the upper end of the impeller is fixedly and coaxially connected equipped with electric machine main shaft, the upper end of the oil cylinder is connected with the stator cage of interior water filling, the outer end face of the busbar covers respectively is equipped with top ring and lower loop, the top of the bearing chamber is equipped with the upper end cover being fixedly connected with stator cage, the upper end cover section is set as trapezoidal and forms gas chamber between stator cage, the gas chamber covering is equipped with decompression film, the top clamping of the decompression film is equipped with decompression lid, the top of the decompression lid is equipped with cone valve, the upper end cover is equipped with the hole wall of socket top cover, the cable aperture interference fit is equipped with cable connector.The advantages of the present invention over the prior art are that：Use water injection type circulation cooling electromechanical, can with water proof anti-soil, regulating gas pressure and processing of strike-ofing can be carried out.
Description
Technical field
The present invention relates to pump equipment technical fields, in particular to a kind of water-cooled sewage dirt to pump.
Background technique
With the development of industry, many occasions need to use immersible pump, and usual immersible pump is divided into the wet type of dry type and water-filling
Immersible pump, the immersible pump of dry type using the sealing to stator and rotor, avoid water touch stator and and rotor, it is still, this
Immersible pump tends to concentrate fever, and due to being air between rotor, cooling effect is very poor, while this kind of motor fears humidity
Environmental disruption stator line packet, and the immersible pump of wet type, by injected clear water, can be kept away in this way by the way of filling the water between rotor
Exempt from influence to rotor when leakage water inlet, and current wet type submersible pump does not have pressure adjusting structure generally, only by water cooling into
Row cooling, it is very poor for the bearing portion cooling effect of end, while general wet type submersible pump does not have anti-magazine deposition yet
With scrape sand device, these problems all have much room for improvement, so needing to improve this.
Summary of the invention
The technical problem to be solved by the present invention is to overcome above technological deficiency, provide a kind of water injection type, be recycled it is cold
But motor, it is waterproof it is antifouling, be capable of the regulating gas bulbs of pressure a kind of water-cooled sewage dirt pump.
In order to solve the above technical problems, technical solution provided by the invention is：A kind of water-cooled sewage dirt pump, including bottom
Seat, pump case, impeller, stator and rotor, the fixed connection in the upper end of the pedestal are equipped with pump case, and the impeller is located at pump case inner cavity,
The upper end of the impeller is fixedly and coaxially connected equipped with electric machine main shaft, and the upper end of the pump case is connected with pump cover, the pump cover
Top is equipped with oil cylinder, and the upper end of the oil cylinder is connected with the stator cage of interior water filling, and the stator is located in stator cage, institute
It states stator sleeve and switches through son, the punching upper and lower ends of the rotor are all connected with equipped with busbar, the outer end face difference of the busbar
Set is equipped with top ring and lower loop, and the upper end of the stator is connected with cable one, and one end of the electric machine main shaft is by turning
Subcenter grafting is equipped with bearing chamber, and the top of the bearing chamber is equipped with the upper end cover being fixedly connected with stator cage, the upper end
Lid section is set as trapezoidal and forms gas chamber between stator cage, and the upper surface center of the upper end cover is equipped with through-hole, described logical
The aperture covering of the upper end in hole is equipped with decompression film, and the top fixing card of the decompression film is equipped with decompression lid, the decompression lid
Top is connected with cone valve by spring, and the upper surface of the upper end cover is covered with cricoid hole wall, the hole around decompression
Wall set is equipped with top cover, and the edge of the upper end cover is equipped with cable aperture, and the cable aperture interference fit is equipped with cable connector.
The advantages of the present invention over the prior art are that：A kind of water-cooled sewage dirt pump, including pedestal, pump case, leaf
Wheel, stator and rotor, the upper end of the oil cylinder are connected with the stator cage of interior water filling, can use stator cage inner cavity in this way
The clear water infused carries out water-cooled cooling to rotor, and the outer end face of the busbar covers respectively is equipped with top ring and lower loop,
Processing of strike-ofing can be carried out to rotor position, while can be to avoid deposition when the rotor is turning using top ring and lower loop
Magazine blocks the movement of rotor, reduces abrasion, is more advantageous to protection bearing, the upper end cover is fixedly connected with stator cage, institute
It states upper end cover section to be set as trapezoidal and form gas chamber between stator cage, can protect circuit connecting mechanism in this way, avoid receiving
To the influence of wet environment, the upper surface center of the upper end cover is equipped with through-hole, and the aperture covering of the upper end of the through-hole is set
There is decompression film, the top fixing card of the decompression film is equipped with decompression lid, the gas chamber when motor operational heat, above bearing chamber
In air heats expansion, pressure adjusting, the hole wall set can be carried out automatically by depressurizing film at this time due to the effect of gas pressure
It is equipped with top cover, can protect the decompressor in this way, the effect of water proof anti-soil can be played.
As an improvement, the top ring and lower loop are equipped with stragith edge, the upper end in the junction with the busbar
The upper surface of ring is equipped with the groove of depositing contaminants, and the lower end surface of the lower loop is equipped with the bulge-structure of stirring impurity, and groove can
To assemble impurity by the centrifugal action of rotation, and bulge-structure can then stir the impurity of bottom deposit and, and avoid sinking
Obstructing problem caused by product.
As an improvement, the clear water that can play cooling effect is marked in the stator cage, the stator cage and electric machine main shaft
Junction be equipped with thrust bearing.
As an improvement, the lateral center of the bearing chamber upper end is equipped with binding post, one end of the binding post connects institute
Cable one, other end connecting cable two are stated, the cable two and cable one, cable connector form circuit communication, the cable one
It is equipped with the sealing ring of waterproof with the junction of stator cage, circuit not only can be protected, while can be convenient dismounting, repairs
Circuit.
As an improvement, being equipped with partition between the decompression lid and decompression film, relief hole, the cone are equipped among the partition
Shape valve grafting is located in relief hole, is respectively formed pressure-reducing chamber one and decompression between the decompression lid and partition, partition and decompression film
Room two, by the effect of cone valve, when gas pressure is excessive, air pressure pushes cone valve, is connected to pressure-reducing chamber two, can have in this way
Effect degradation gas pressure, while cooling effect is realized by gas exchanges.
As an improvement, the top cover is set as ceramic threaded cap, connected between the top cover and hole wall by sealing ring, in this way
It not only realizes antifouling waterproof, but also corrosion-resistant, is suitble to work under rugged environment.
As an improvement, the cable connector is set as funnel-form, the cable aperture is set as counter sink, cable connector and cable aperture
Junction, which is equipped with sealing ring, can make the cable connector by way of counter sink and funnelform mechanical interference
Fastening is connected with upper end cover, realizes sealing effect.
As an improvement, the upper end cover is fixedly connected with decompression lid by the mechanical constraint of cross connecting element, described ten
The lower end of font connector is equipped with threaded post, so not only easy disassembly, while can be fastenedly connected.
As an improvement, the decompression film is set as elastomeric material, the cable one and cable two are equipped with the rubber of waterproof
Glue insulation sleeve.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of water-cooled sewage dirt pump of the present invention.
Fig. 2 is a kind of pressure reduction structure schematic diagram of water-cooled sewage dirt pump of the present invention.
Fig. 3 is a kind of rotor end ring structural schematic diagram of water-cooled sewage dirt pump of the present invention.
As shown in the figure：1, pedestal, 2, pump case, 3, impeller, 4, stator, 5, rotor, 5.1, punching, 6, electric machine main shaft, 7, pump
Lid, 8, oil cylinder, 9, stator cage, 9.1, thrust bearing, 10, busbar, 11, top ring, 11.1, groove, 12, lower loop,
12.1, bulge-structure, 13, cable one, 14, bearing chamber, 15, upper end cover, 15.1, through-hole, 15.2, hole wall, 15.3, cable aperture,
15.4, gas chamber, 16, decompression film, 17, decompression lid, 17.1, partition, 17.2, relief hole, 18, spring, 19, cone valve, 20, top
Lid, 21, cable connector, 22, stragith edge, 23, binding post, 24, cable two, 25, sealing ring, 26, pressure-reducing chamber one, 27, pressure-reducing chamber
Two, 28, cross connecting element, 28.1, threaded post.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings.
The present invention in the specific implementation, provides a kind of water-cooled sewage dirt pump, including pedestal 1, pump case 2, impeller 3, fixed
Son 4 and rotor 5, the fixed connection in the upper end of the pedestal 1 are equipped with pump case 2, and the impeller 3 is located at 2 inner cavity of pump case, the impeller 3
Upper end be fixedly and coaxially connected equipped with electric machine main shaft 6, the upper end of the pump case 2 is connected with pump cover 7, the top of the pump cover 7
Equipped with oil cylinder 8, the upper end of the oil cylinder 8 is connected with the stator cage 9 of interior water filling, and the stator 4 is located in stator cage 9,
The stator 4 is socketed rotor 5, and 5.1 upper and lower ends of punching of the rotor 5 are all connected with equipped with busbar 10, the busbar 10
Outer end face cover be equipped with top ring 11 and lower loop 12 respectively, the upper end of the stator 4 is connected with cable 1, the electricity
One end of owner's axis 6 is equipped with bearing chamber 14 by 5 center grafting of rotor, and the top of the bearing chamber 14 is equipped with and stator cage 9
The upper end cover 15 being fixedly connected, 15 section of upper end cover is set as trapezoidal and forms gas chamber 15.4 between stator cage 9, described
The upper surface center of upper end cover 15 is equipped with through-hole 15.1, and the aperture covering of the upper end of the through-hole 15.1 is equipped with decompression film 16, institute
The top fixing card for stating decompression film 16 is equipped with decompression lid 17, and the top of the decompression lid 17 is connected with taper by spring 18
The upper surface of valve 19, the upper end cover 15 is equipped with cricoid hole wall 15.2 around decompression lid 17, and 15.2 sets of the hole wall is equipped with
Top cover 20, the edge of the upper end cover 15 are equipped with cable aperture 15.3, and the interference fit of cable aperture 15.3 is equipped with cable connector
21。
The top ring 11 and lower loop 12 are equipped with stragith edge 22, the top ring in the junction with the busbar 10
11 upper surface is equipped with the groove 11.1 of depositing contaminants, and the lower end surface of the lower loop 12 is equipped with the bulge-structure of stirring impurity
12.1。
The clear water that can play cooling effect, the connection of the stator cage 9 and electric machine main shaft 6 are marked in the stator cage 9
Place is equipped with thrust bearing 9.1.
The lateral center of 14 upper end of bearing chamber is equipped with binding post 23, and one end of the binding post 23 connects the electricity
Cable 1, other end connecting cable 2 24, the cable 2 24 and cable 1, cable connector 21 form circuit communication, described
The junction of cable 1 and stator cage 9 is equipped with the sealing ring 25 of waterproof.
It is equipped with partition 17.1 between the decompression lid 17 and decompression film 16, is equipped with relief hole among the partition 17.1
17.2,19 grafting of cone valve is located in relief hole 17.2, the decompression lid 17 and partition 17.1, partition 17.1 and decompression film
Pressure-reducing chamber 1 and pressure-reducing chamber 2 27 are respectively formed between 16.
The top cover 20 is set as antifouling and corrosion resistant ceramic threaded cap, by close between the top cover 20 and hole wall 15.2
Seal ring 25 connects.
The cable connector 21 is set as funnel-form, and the cable aperture 15.3 is set as counter sink, cable connector 21 and cable aperture
15.3 junctions are equipped with sealing ring 25.
The upper end cover 15 is fixedly connected with decompression lid 17 by the mechanical constraint of cross connecting element 28, the cross
The lower end of connector 28 is equipped with threaded post 28.1.
The decompression film 16 is set as elastomeric material, and the rubber that the cable 1 and cable 2 24 are equipped with waterproof is exhausted
Edge set.
The working principle of the invention is：A kind of water-cooled sewage dirt pump of the invention, can with circulation cooling electromechanical, can prevent
Water is antifouling, can the regulating gas bulbs of pressure, while preventing impurity from blocking internal stator and rotor sructure, currently, traditional wet submersible
Water pump does not have pressure adjusting structure generally, is only cooled down by water cooling, very poor for the bearing portion cooling effect of end, simultaneously
General wet type submersible pump does not have anti-magazine deposition yet and scrapes sand device, in view of these situations, this water-cooled sewage dirt pump,
Including pedestal 1, pump case 2, impeller 3, stator 4 and rotor 5, the upper end of the oil cylinder 8 is connected with the stator cage 9 of interior water filling,
The clear water infused using 9 inner cavity of stator cage carries out water-cooled cooling to stator 4 and rotor 5, the busbar 10 of the rotor 5 it is outer
End face covers respectively is equipped with top ring 11 and lower loop 12, and the top ring 11 and lower loop 12 are in the company with the busbar 10
It meets place and is equipped with stragith edge 22, the upper surface of the top ring 11 is equipped with the groove 11.1 of depositing contaminants, under the lower loop 12
End face is equipped with the bulge-structure 12.1 of stirring impurity, and groove 11.1 can assemble impurity by the centrifugal action of rotation, and raised
Structure 12.1, which can then stir the impurity of bottom deposit, to be come, and obstructing problem caused by deposition is avoided, when rotor 5 rotates,
The stragith edge 22 carries out processing of strike-ofing to 5 position of rotor, reduces abrasion, is more advantageous to protection bearing, on the bearing chamber 14
The lateral center at end is equipped with binding post 23, and one end of the binding post 23 connects the cable 1, other end connecting cable
2 24, the cable 2 24 and cable 1, cable connector 21 form circuit communication, the cable 1 and stator cage 9
Junction is equipped with the sealing ring 25 of waterproof, can protect circuit, while can be convenient dismounting, repair circuit, the upper end cover 15
It is fixedly connected with stator cage 9,15 section of upper end cover is set as trapezoidal and forms gas chamber 15.4 between stator cage 9, can
To place circuit connecting mechanism, while the influence by wet environment is also avoided, the upper surface center of the upper end cover 15 is equipped with
Through-hole 15.1, and the aperture covering of the upper end of the through-hole 15.1 is equipped with decompression film 16, decompression film 16 is set as elastomeric material,
The top fixing card of the decompression film 16 is equipped with decompression lid 17, and the upper end cover 15 and decompression lid 17 pass through cross connecting element
28 mechanical constraint is fixedly connected, and the lower end of the cross connecting element 28 is equipped with threaded post 28.1, utilizes cross connecting element
28 not only easy disassembly, while can be fastenedly connected, when motor works long hours adstante febre, the gas chamber 15.4 of 14 top of bearing chamber
In air heats expansion, pressure adjusting, the decompression can be carried out automatically by depressurizing film 16 at this time due to the effect of gas pressure
It is equipped with partition 17.1 between lid 17 and decompression film 16, relief hole 17.2 is equipped among the partition 17.1, the cone valve 19 is inserted
It is connected in relief hole 17.2, is respectively formed decompression between the decompression lid 17 and partition 17.1, partition 17.1 and decompression film 16
Room 1 and pressure-reducing chamber 2 27, by the effect of cone valve 19, when gas pressure is excessive, air pressure pushes cone valve 19, connection
Pressure-reducing chamber 2 27, can effectively degrade gas pressure, while realize that cooling effect, the hole wall 15.2 are socketed by gas exchanges
Equipped with top cover 20, the top cover 20 is set as ceramic threaded cap, is connected between the top cover 20 and hole wall 15.2 by sealing ring 25,
Antifouling waterproof is not only realized in this way, but also corrosion-resistant, be suitble to work under rugged environment, the cable connector 21 is set as funnel
Shape, the cable aperture 15.3 are set as counter sink, and cable connector 21 and 15.3 junction of cable aperture are equipped with sealing ring 25, pass through countersunk head
The mode in hole and funnelform mechanical interference can make cable connector 21 and upper end cover 15 connect fastening, realize waterproof
Antifouling sealing effect.
The present invention and its embodiments have been described above, this description is no restricted, shown in the drawings
Only one of embodiments of the present invention, actual structure is not limited to this.All in all if the ordinary skill of this field
Personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution phase
As frame mode and embodiment, be within the scope of protection of the invention.
Claims (9)
1. a kind of water-cooled sewage dirt pump, including pedestal (1), pump case (2), impeller (3), stator (4) and rotor (5), special
Sign is：The fixed connection in the upper end of the pedestal (1) is equipped with pump case (2), and the impeller (3) is located at pump case (2) inner cavity, the leaf
The upper end of wheel (3) is fixedly and coaxially connected equipped with electric machine main shaft (6), and the upper end of the pump case (2) is connected with pump cover (7), described
The top of pump cover (7) is equipped with oil cylinder (8), and the upper end of the oil cylinder (8) is connected with the stator cage (9) of interior water filling, described fixed
Sub (4) are located in stator cage (9), and the stator (4) is socketed rotor (5), punching (5.1) upper and lower ends of the rotor (5)
It is all connected with and is equipped with busbar (10), the outer end face of the busbar (10) covers respectively is equipped with top ring (11) and lower loop
(12), the upper end of the stator (4) is connected with cable one (13), and one end of the electric machine main shaft (6) passes through rotor (5) center
Grafting is equipped with bearing chamber (14), and the top of the bearing chamber (14) is equipped with the upper end cover (15) being fixedly connected with stator cage (9),
Upper end cover (15) section is set as trapezoidal and forms gas chamber (15.4) between stator cage (9), the upper end cover (15)
Upper surface center is equipped with through-hole (15.1), and the aperture covering of the upper end of the through-hole (15.1) is equipped with decompression film (16), described to subtract
The top fixing card of press mold (16) is equipped with decompression lid (17), and the top of the decompression lid (17) is connected with by spring (18)
The upper surface of cone valve (19), the upper end cover (15) is equipped with cricoid hole wall (15.2) around decompression lid (17), the hole wall
(15.2) set is equipped with top cover (20), and the edge of the upper end cover (15) is equipped with cable aperture (15.3), the cable aperture
(15.3) interference fit is equipped with cable connector (21).
2. a kind of water-cooled sewage dirt pump according to claim 1, it is characterised in that：The top ring (11) and lower end
Ring (12) is equipped with stragith edge (22) in the junction with the busbar (10), and the upper surface of the top ring (11) is equipped with deposition
The groove (11.1) of impurity, the lower end surface of the lower loop (12) are equipped with the bulge-structure (12.1) of stirring impurity.
3. a kind of water-cooled sewage dirt pump according to claim 1, it is characterised in that：Note in the stator cage (9)
There is a clear water that can play cooling effect, the junction of the stator cage (9) and electric machine main shaft (6) is equipped with thrust bearing (9.1).
4. a kind of water-cooled sewage dirt pump according to claim 1, it is characterised in that：Bearing chamber (14) upper end
Lateral center is equipped with binding post (23), and one end of the binding post (23) connects the cable one (13), other end connection electricity
Cable two (24), the cable two (24) and cable one (13), cable connector (21) formed circuit communication, the cable one (13) and
The junction of stator cage (9) is equipped with the sealing ring (25) of waterproof.
5. a kind of water-cooled sewage dirt pump according to claim 1, it is characterised in that：The decompression lid (17) and decompression
Partition (17.1) are equipped between film (16), are equipped with relief hole (17.2) among the partition (17.1), the cone valve (19) is inserted
It is connected in relief hole (17.2), divides between the decompression lid (17) and partition (17.1), partition (17.1) and decompression film (16)
It Xing Cheng not pressure-reducing chamber one (26) and pressure-reducing chamber two (27).
6. a kind of water-cooled sewage dirt pump according to claim 1, it is characterised in that：The top cover (20) is set as antifouling
And corrosion resistant ceramic threaded cap, it is connected between the top cover (20) and hole wall (15.2) by sealing ring (25).
7. a kind of water-cooled sewage dirt pump according to claim 1, it is characterised in that：The cable connector (21) is set as
Funnel-form, the cable aperture (15.3) are set as counter sink, and cable connector (21) and cable aperture (15.3) junction are equipped with sealing ring
(25)。
8. a kind of water-cooled sewage dirt pump according to claim 1, it is characterised in that：The upper end cover (15) and decompression
Lid (17) is fixedly connected by the mechanical constraint of cross connecting element (28), and the lower end of the cross connecting element (28) is equipped with spiral shell
Line column (28.1).
9. a kind of water-cooled sewage dirt pump according to claim 1, it is characterised in that：The decompression film (16) is set as bullet
Property rubber material, the cable one (13) and cable two (24) are equipped with the rubber insulation sleeve of waterproof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810638947.3A CN108843582B (en) | 2018-06-20 | 2018-06-20 | Water-cooled sewage and sewage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810638947.3A CN108843582B (en) | 2018-06-20 | 2018-06-20 | Water-cooled sewage and sewage pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108843582A true CN108843582A (en) | 2018-11-20 |
| CN108843582B CN108843582B (en) | 2020-09-08 |
Family
ID=64202666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810638947.3A Active CN108843582B (en) | 2018-06-20 | 2018-06-20 | Water-cooled sewage and sewage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108843582B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230296112A1 (en) * | 2022-03-15 | 2023-09-21 | Walrus Pump Co., Ltd. | Motor module and motor module comprising the same |
-
2018
- 2018-06-20 CN CN201810638947.3A patent/CN108843582B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230296112A1 (en) * | 2022-03-15 | 2023-09-21 | Walrus Pump Co., Ltd. | Motor module and motor module comprising the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108843582B (en) | 2020-09-08 |
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