CN111550431A - Magnetic pump - Google Patents
Magnetic pump Download PDFInfo
- Publication number
- CN111550431A CN111550431A CN202010453126.XA CN202010453126A CN111550431A CN 111550431 A CN111550431 A CN 111550431A CN 202010453126 A CN202010453126 A CN 202010453126A CN 111550431 A CN111550431 A CN 111550431A
- Authority
- CN
- China
- Prior art keywords
- pump
- motor
- cover
- bracket
- isolation sleeve
- 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
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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
- F04D29/007—Details, component parts, or accessories 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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor pumps
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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
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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
- F04D29/586—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
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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
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/5893—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps heat insulation or conduction
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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
- 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
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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
- 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
- F04D7/06—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being hot or corrosive, e.g. liquid metals
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 present invention relates to a magnetic drive pump; comprises a motor, a wind guide disc, a bracket, an outer magnet, a pump body, a pump cover, an impeller, a rotor and an isolation sleeve; the air guide disc is additionally arranged between the support and the motor end cover, the flange on the outer edge of the air guide disc plays a role of air guide, air flow generated by a fan at the end of a motor shaft is guided to the inner side of the flange through the surface of a motor outer cover, the air flow is guided to the inside of the support through a gap between the air guide disc and the motor end cover, low-temperature freezing or overhigh temperature of air moisture between an outer magnet and an isolation sleeve is avoided, the outer magnet and a rotor are isolated in a closed cavity formed by the motor end cover, the isolation sleeve and a pump cover through the arrangement of the isolation sleeve, moisture in outside air is prevented from entering the gap between the outer magnet and the isolation sleeve, the moisture is prevented from freezing to influence transmission of the magnetic pump, the support and the motor are prevented from being directly butted through the air guide disc, and the overhigh or supercooled temperature of a transmission medium is.
Description
Technical Field
The invention relates to the technical field of liquid pump structures, in particular to a magnetic pump.
Background
In the structure of the magnetic pump, a transmission shaft of the motor does not need to penetrate into a pump shell, but the magnetic field penetrates through the magnetic field and the thin-wall transmission torque of the isolation sleeve to drive the inner magnetic rotor, so that a leakage channel of a shaft seal is fundamentally eliminated, and the pumped liquid and the motor are completely sealed.
When the transmission medium of the magnetic pump is a high-temperature medium, the high temperature is transmitted to the motor through the bracket, so that the temperature of the motor is increased, the service life of the motor is shortened, and even the motor is burnt;
when the transmission medium of the magnetic pump is a cryogenic low-temperature medium (including liquid LNG or liquid nitrogen and the like), low temperature can be transmitted to the magnetic transmission mechanism through the bracket, so that moisture in the air between an outer magnet of the transmission mechanism and the isolation sleeve is frozen, the impeller transmission of the pump body is influenced, the low temperature can be transmitted into the motor, water is accumulated or frozen in the motor, and the motor cannot normally run.
How to avoid the adverse effect of the traditional magnetic pump structure caused by the over-high or over-low temperature of the transmission medium through the structural improvement of the magnetic pump is a technical problem which needs to be solved urgently.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: how to avoid the adverse effect of the traditional magnetic pump structure caused by the overhigh or overlow temperature of the transmission medium through the structural improvement of the magnetic pump.
In order to solve the technical problems, the invention adopts the technical scheme that:
a magnetic drive pump comprises a motor, an air guide disc, a bracket, an outer magnet, an isolation sleeve, a pump body, a pump cover, an impeller, a rotor and an isolation sleeve;
the outer magnet is connected to the shaft end of the motor, the pump cover is connected with the pump body in a sealing mode to form a pump cavity, a rotating shaft penetrates through the pump cover, the impeller is connected to one end, located in the pump cavity, of the rotating shaft, the rotor is connected to the rotating shaft, located outside the pump cavity, the isolation sleeve is connected to one side, away from the pump cavity, of the pump cover, the rotor is sealed and isolated in a sealing cavity formed by the pump cover and the isolation sleeve, and the outer magnet is sleeved outside the isolation sleeve in a hanging mode;
the bracket is suspended and sleeved outside the outer magnet, and one end of the bracket is connected to the pump cover;
one side of the air guide disc is connected with the motor end cover, and the other side of the air guide disc is connected with the other end of the bracket;
the outer edge of the air guide disc is provided with a flange extending in the opposite direction of the motor, and a gap communicated with the inside of the bracket is reserved between the air guide disc and the motor end cover;
the space isolation sleeve is positioned in a gap between the support and the outer magnet, so that the motor end cover, the space isolation sleeve and the pump cover form a closed cavity, and the outer magnet is closed in the closed cavity.
The invention has the beneficial effects that: in the structure of the magnetic pump provided by the invention, the air guide disc is additionally arranged between the support and the motor end cover, when a transmission medium of the magnetic pump is a high-temperature medium, on one hand, the air guide effect is realized through the flange on the outer edge of the air guide disc, so that airflow generated by a fan at the end of the motor shaft is guided to the inner side of the flange through the surface of the motor outer cover, and is guided to the inside of the support through a gap between the air guide disc and the motor end cover, so that the heat dissipation effect is realized; on the other hand, the air guide disc can be made of a material with high thermal resistance, the bracket is prevented from being in direct contact with the motor through the air guide disc, and high temperature is limited to be directly transmitted to the motor through the bracket; when the transmission medium of magnetic drive pump is the low temperature medium, through setting up the separation cover with outer magnet and rotor separation by the motor end cover, separation cover and pump cover form airtight cavity in, avoid moisture in the outside air to enter into the clearance between outer magnet and the separation cover, avoid moisture to freeze and influence the magnetic drive pump transmission, the air current that the fan of motor axle head produced passes through electric conductance wind disc drainage to support inside, thereby pass through wind-force diffusion to the support with the heat degree of motor itself, avoid the freezing of minute quantity of moisture in the air between outer magnet and the separation cover, and the wind-guiding disc can effectively restrict low temperature and directly conduct to the motor through the support, the magnetic drive pump of this scheme design can be used for stably, transmit high temperature medium or low temperature medium safely.
Drawings
FIG. 1 is a schematic diagram of the mechanism of a magnetic pump according to an embodiment of the present invention;
fig. 2 is a front view of an air guiding disc structure of a magnetic pump according to an embodiment of the present invention;
fig. 3 is a left side view of an air guiding disc structure of a magnetic pump according to an embodiment of the present invention;
description of reference numerals:
1. a motor; 11. a fan; 12. wind guide fins; 2. an air guide disc; 21. a flange; 22. a gap; 23. a first arc angle; 24. a second arc angle; 25. reinforcing ribs; 26. screw holes; 27. circular convex ribs; 3. a support; 31. a vent hole; 4. an outer magnet; 5. a pump body; 51. a pump chamber; 6. a pump cover; 7. an impeller; 71. a rotating shaft; 8. a rotor; 9. an isolation sleeve; 10. and (4) an empty sleeve.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: the air guide disc is additionally arranged between the support and the motor end cover, the flange on the outer edge of the air guide disc plays a role in air guide, so that air flow generated by a fan at the end of the motor shaft is guided to the inner side of the flange through the surface of the motor outer cover, and is guided to the inside of the support through a gap between the air guide disc and the motor end cover.
Referring to fig. 1 to 3, the present invention relates to a magnetic pump, which includes a motor 1, an air guiding disc 2, a bracket 3, an outer magnet 4, an isolation sleeve 10, a pump body 5, a pump cover 6, an impeller 7, a rotor 8 and an isolation sleeve 9;
the outer magnet 4 is connected to a shaft end of the motor 1, the pump cover 6 is connected with the pump body 5 in a sealing mode to form a pump cavity 51, a rotating shaft 71 penetrates through the pump cover 6, the impeller 7 is connected to one end, located in the pump cavity 51, of the rotating shaft 71, the rotor 8 is connected to the rotating shaft 71, the rotor 8 is located outside the pump cavity 51, the isolation sleeve 9 is connected to one side, away from the pump cavity 51, of the pump cover 6, the rotor 8 is isolated in a sealing mode formed by the pump cover 6 and the isolation sleeve 9, and the outer magnet 4 is sleeved outside the isolation sleeve 9 in a;
the bracket 3 is sleeved outside the outer magnet 4 in a suspending way, and one end of the bracket 3 is connected to the pump cover 6;
one side of the air guide disc 2 is connected with an end cover of the motor 1, and the other side of the air guide disc 2 is connected with the other end of the bracket 3;
the outer edge of the air guide disc 2 is provided with a flange 21 extending in the opposite direction of the motor 1, and a gap 22 communicated with the inside of the bracket 3 is reserved between the air guide disc 2 and the end cover of the motor 1;
the space isolation sleeve 10 is positioned in a gap between the support 3 and the outer magnet 4, so that the motor end cover, the space isolation sleeve 10 and the pump cover 6 form a closed cavity, and the outer magnet 4 is closed in the closed cavity.
In the structure of the magnetic pump, the air guide disc is additionally arranged between the support and the motor end cover, when a transmission medium of the magnetic pump is a high-temperature medium, on one hand, the air guide effect is achieved through the flange on the outer edge of the air guide disc, airflow generated by a fan at the end of the motor shaft is guided to the inner side of the flange through the surface of the motor outer cover, and the airflow is guided to the inside of the support through a gap between the air guide disc and the motor end cover, so that the heat dissipation effect is achieved; on the other hand, the air guide disc can be made of a material with high thermal resistance, the bracket is prevented from being in direct contact with the motor through the air guide disc, and high temperature is limited to be directly transmitted to the motor through the bracket; when the transmission medium of magnetic drive pump is the low temperature medium, through setting up the separation cover with outer magnet and rotor separation by the motor end cover, separation cover and pump cover form airtight cavity in, avoid moisture in the outside air to enter into the clearance between outer magnet and the separation cover, avoid moisture to freeze and influence the magnetic drive pump transmission, the air current that the fan of motor axle head produced passes through electric conductance wind disc drainage to support inside, thereby pass through wind-force diffusion to the support with the heat degree of motor itself, avoid moisture in the air between outer magnet and the separation cover to freeze, and the wind-guiding disc can effectively restrict low temperature and directly conduct to the motor through the support, the magnetic drive pump of this scheme design can be used for stably, transmit high temperature medium or low temperature medium safely.
Further, in the above-described magnetic pump structure, a first arc angle 23 is provided at a root portion inside the flange 21 of the air guiding disc 2.
As can be seen from the above description, by providing the first arc angle 23 at the root inside the flange 21 of the wind guiding disc 2, the airflow guided into the inside of the bracket 3 is made smoother, and the wind guiding efficiency of the outer magnet 4 and the rotor 8 inside the bracket 3 is further improved.
Further, in the above magnetic pump structure, the inner edge of the wind guiding disc 2 is provided with a second arc angle 24.
As can be seen from the above description, the second arc angle 24 is provided at the inner edge of the wind guiding disc 2, so that the airflow guided into the inside of the bracket 3 is smoother, and the wind guiding efficiency of the outer magnet 4 and the rotor 8 inside the bracket 3 is further improved.
Further, in the magnetic pump structure, one side of the air guide disc 2 facing the end cover of the motor 1 is provided with a plurality of reinforcing ribs 25, and the reinforcing ribs 25 are attached to the end cover of the motor 1.
As can be seen from the above description, the plurality of reinforcing ribs 25 are arranged on one side of the air guide disc 2 facing the end cover of the motor 1, and the reinforcing ribs 25 are attached to the end cover of the motor 1 to reinforce the structural strength of the air guide disc 2, so that the air guide disc 2 is stably matched and connected with the end cover of the motor 1.
Further, in the above magnetic pump structure, the reinforcing rib 25 is provided with a screw hole 26.
As can be seen from the above description, the reinforcing ribs 25 are provided with screw holes 26, and the motor 1 end cover is tightly connected with screws through the screw holes 26.
Further, in the above magnetic pump structure, one side of the air guide disc 2 facing the support 3 is provided with a circular convex rib 27, and the circular convex rib 27 is in limit fit with the end of the support 3.
Further, in the above magnetic pump structure, the bracket 3 is provided with the vent hole 31.
As is apparent from the above description, by providing the ventilation holes 31 in the holder 3, the air flow introduced into the holder 3 through the air guiding disk 2 exchanges heat with the outer magnet 4 and the rotor 8 in the holder 3, and the formed high-temperature air flow is discharged through the ventilation holes 31, thereby reducing turbulence inside the holder 3 and further improving the air guiding efficiency of the outer magnet 4 and the rotor 8 inside the holder 3.
Further, in the above magnetic pump structure, the other shaft end of the motor 1 is connected with a fan 11, and an outer cover of the motor 1 is provided with air guide fins 12.
Example 1
A magnetic drive pump, including the electrical machinery 1, wind-guiding disc 2, support 3, outer magnet 4, separate empty set 10, pump casing 5, pump cover 6, impeller 7, trochanter 8 and spacer 9; the outer magnet 4 is connected to a shaft end of the motor 1, the pump cover 6 is connected with the pump body 5 in a sealing mode to form a pump cavity 51, a rotating shaft 71 penetrates through the pump cover 6, the impeller 7 is connected to one end, located in the pump cavity 51, of the rotating shaft 71, the rotor 8 is connected to the rotating shaft 71, the rotor 8 is located outside the pump cavity 51, the isolation sleeve 9 is connected to one side, away from the pump cavity 51, of the pump cover 6, the rotor 8 is isolated in a sealing mode formed by the pump cover 6 and the isolation sleeve 9, and the outer magnet 4 is sleeved outside the isolation sleeve 9 in a; the bracket 3 is sleeved outside the outer magnet 4 in a suspending way, and one end of the bracket 3 is connected to the pump cover 6; one side of the air guide disc 2 is connected with an end cover of the motor 1, and the other side of the air guide disc 2 is connected with the other end of the bracket 3; the outer edge of the air guide disc 2 is provided with a flange 21 extending in the opposite direction of the motor 1, and a gap 22 communicated with the inside of the bracket 3 is reserved between the air guide disc 2 and the end cover of the motor 1; the space isolation sleeve 10 is positioned in a gap between the support 3 and the outer magnet 4, so that the motor end cover, the space isolation sleeve 10 and the pump cover 6 form a closed cavity, and the outer magnet 4 is closed in the closed cavity. The root part of the inner side of the flange 21 of the air guide disc 2 is provided with a first arc angle 23. And a second arc angle 24 is arranged on the inner edge of the air guide disc 2. One side of the air guide disc 2 facing the end cover of the motor 1 is provided with a plurality of reinforcing ribs 25, and the reinforcing ribs 25 are attached to the end cover of the motor 1. The reinforcing ribs 25 are provided with screw holes 26. One side of the air guide disc 2 facing the support 3 is provided with a circular convex rib 27, and the circular convex rib 27 is in limit fit with the end part of the support 3. The bracket 3 is provided with a vent hole 31. The other shaft end of the motor 1 is connected with a fan 11, and an outer cover of the motor 1 is provided with air guide fins 12.
In summary, in the magnetic pump structure provided by the invention, the air guide disc is additionally arranged between the support and the motor end cover, when the transmission medium of the magnetic pump is a high-temperature medium, on one hand, the flange on the outer edge of the air guide disc plays a role of air guide, so that the air flow generated by the fan at the end of the motor shaft is guided to the inner side of the flange through the surface of the motor outer cover, and is guided to the inside of the support through the gap between the air guide disc and the motor end cover, thereby playing a role of heat dissipation; on the other hand, the air guide disc can be made of a material with high thermal resistance, the bracket is prevented from being in direct contact with the motor through the air guide disc, and high temperature is limited to be directly transmitted to the motor through the bracket; when the transmission medium of magnetic drive pump is the low temperature medium, through setting up the separation cover with outer magnet and rotor separation by the motor end cover, separation cover and pump cover form airtight cavity in, avoid moisture in the outside air to enter into the clearance between outer magnet and the separation cover, avoid moisture to freeze and influence the magnetic drive pump transmission, the air current that the fan of motor axle head produced passes through electric conductance wind disc drainage to support inside, thereby pass through wind-force diffusion to the support with the heat degree of motor itself, avoid moisture in the air between outer magnet and the separation cover to freeze, and the wind-guiding disc can effectively restrict low temperature and directly conduct to the motor through the support, the magnetic drive pump of this scheme design can be used for stably, transmit high temperature medium or low temperature medium safely.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (8)
1. A magnetic drive pump is characterized by comprising a motor, a wind guide disc, a bracket, an outer magnet, an isolation sleeve, a pump body, a pump cover, an impeller, a rotor and an isolation sleeve;
the outer magnet is connected to the shaft end of the motor, the pump cover is connected with the pump body in a sealing mode to form a pump cavity, a rotating shaft penetrates through the pump cover, the impeller is connected to one end, located in the pump cavity, of the rotating shaft, the rotor is connected to the rotating shaft, located outside the pump cavity, the isolation sleeve is connected to one side, away from the pump cavity, of the pump cover, the rotor is sealed and isolated in a sealing cavity formed by the pump cover and the isolation sleeve, and the outer magnet is sleeved outside the isolation sleeve in a hanging mode;
the bracket is suspended and sleeved outside the outer magnet, and one end of the bracket is connected to the pump cover;
one side of the air guide disc is connected with the motor end cover, and the other side of the air guide disc is connected with the other end of the bracket;
the outer edge of the air guide disc is provided with a flange extending in the opposite direction of the motor, and a gap communicated with the inside of the bracket is reserved between the air guide disc and the motor end cover;
the space isolation sleeve is positioned in a gap between the support and the outer magnet, so that the motor end cover, the space isolation sleeve and the pump cover enclose a closed cavity, and the outer magnet is closed in the closed cavity.
2. The magnetic pump as claimed in claim 1, wherein the root portion of the inner side of the flange of the air guiding disk is provided with a first arc angle.
3. The magnetic pump as claimed in claim 1, wherein the inner edge of the wind-guiding disc is provided with a second arc angle.
4. The magnetic pump as claimed in claim 1, wherein a plurality of ribs are provided on a side of the air guiding disc facing the motor end cover, and the ribs are attached to the motor end cover.
5. Magnetic pump according to claim 4, characterized in that the reinforcement ribs are provided with screw holes.
6. The magnetic pump as claimed in claim 1, wherein the air guiding disc is provided with a circular rib on a side facing the bracket, and the circular rib is in limit fit with an end of the bracket.
7. Magnetic pump according to claim 1, characterized in that the bracket is provided with ventilation holes.
8. The magnetic pump as claimed in claim 1, wherein a fan is connected to the other axial end of the motor, and the outer casing of the motor is provided with wind guide fins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010453126.XA CN111550431B (en) | 2020-05-26 | 2020-05-26 | Magnetic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010453126.XA CN111550431B (en) | 2020-05-26 | 2020-05-26 | Magnetic pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111550431A true CN111550431A (en) | 2020-08-18 |
| CN111550431B CN111550431B (en) | 2021-04-30 |
Family
ID=72005031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010453126.XA Active CN111550431B (en) | 2020-05-26 | 2020-05-26 | Magnetic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111550431B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153763A (en) * | 2021-04-30 | 2021-07-23 | 福建省福安市力德泵业有限公司 | Magnetic pump under low-temperature vacuum environment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07247985A (en) * | 1994-03-08 | 1995-09-26 | Ogihara Seisakusho:Kk | Pump with motor cooling mechanism |
| CN201443516U (en) * | 2009-05-27 | 2010-04-28 | 辽宁恒星泵业有限公司 | Magnetic pump |
| CN104088816A (en) * | 2014-06-25 | 2014-10-08 | 安徽盛唐泵阀制造有限公司 | Liquid sulfur delivering pump |
| CN204344476U (en) * | 2014-12-04 | 2015-05-20 | 浙江飞旋泵业有限公司 | Magnetic drives chemical pump |
| CN209278150U (en) * | 2018-11-12 | 2019-08-20 | 丹东通博泵业有限公司 | Magnetic drive pump with air cooling mechanism |
-
2020
- 2020-05-26 CN CN202010453126.XA patent/CN111550431B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07247985A (en) * | 1994-03-08 | 1995-09-26 | Ogihara Seisakusho:Kk | Pump with motor cooling mechanism |
| CN201443516U (en) * | 2009-05-27 | 2010-04-28 | 辽宁恒星泵业有限公司 | Magnetic pump |
| CN104088816A (en) * | 2014-06-25 | 2014-10-08 | 安徽盛唐泵阀制造有限公司 | Liquid sulfur delivering pump |
| CN204344476U (en) * | 2014-12-04 | 2015-05-20 | 浙江飞旋泵业有限公司 | Magnetic drives chemical pump |
| CN209278150U (en) * | 2018-11-12 | 2019-08-20 | 丹东通博泵业有限公司 | Magnetic drive pump with air cooling mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153763A (en) * | 2021-04-30 | 2021-07-23 | 福建省福安市力德泵业有限公司 | Magnetic pump under low-temperature vacuum environment |
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| Publication number | Publication date |
|---|---|
| CN111550431B (en) | 2021-04-30 |
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A magnetic pump Effective date of registration: 20220525 Granted publication date: 20210430 Pledgee: China Construction Bank Corporation Fu'an sub branch Pledgor: FUJIAN FUAN LEAD PUMP Co.,Ltd. Registration number: Y2022350000057 |
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