CN112032067A - Self-cooling magnetic pump - Google Patents
Self-cooling magnetic pump Download PDFInfo
- Publication number
- CN112032067A CN112032067A CN202010853013.9A CN202010853013A CN112032067A CN 112032067 A CN112032067 A CN 112032067A CN 202010853013 A CN202010853013 A CN 202010853013A CN 112032067 A CN112032067 A CN 112032067A
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- Prior art keywords
- pump
- shaft
- magnetic rotor
- pump cover
- fan blade
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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
- 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
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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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/106—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with a radial air gap
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of magnetic pumps, and particularly discloses a self-cooling magnetic pump; the pump comprises a pump body, an impeller, a pump cover, an outer magnetic rotor, an inner magnetic rotor and a pump shaft, wherein a water inlet is formed in the left end face of the pump body, a water outlet is formed in the upper end of the pump body, the right end face of the pump body is connected with the left end face of the pump cover in a sealing mode, a shaft hole is formed in the center of the pump cover, a first sealing shaft and a second sealing shaft are arranged at the left end and the right end of the shaft hole, the pump shaft penetrates through the shaft hole, the impeller is arranged in the pump body and connected with the left end of the pump shaft, a fan blade cavity is formed in the pump cover located at the right end of the shaft hole, a plurality of fan blades are arranged; the vortex heat in the pump cover is completely discharged through the cold air pumped in by the fan blades without dead angles, so that the working temperatures of the inner magnetic rotor and the outer magnetic rotor are effectively reduced, and the heat dissipation effect is excellent.
Description
Technical Field
The invention relates to the technical field of magnetic pumps, and particularly discloses a self-cooling magnetic pump.
Background
The magnetic drive consists of an outer magnetic rotor, an inner magnetic rotor and a non-magnetic separation sleeve, wherein the inner magnetic rotor is connected with a pump shaft, and an impeller is arranged on the pump shaft. When the motor drives the outer magnetic rotor to rotate, the inner magnetic rotor is driven to rotate through magnetic transmission, the impeller is driven to rotate by the inner magnetic rotor, and therefore contactless transmission of power is achieved. However, in the long-term working process of the magnetic pump, eddy heat generated by the magnetic field cutting magnetic lines when the inner magnetic rotor and the outer magnetic rotor rotate cannot be effectively dissipated, and the isolating sleeve arranged between the inner magnetic rotor and the outer magnetic rotor is made of metal, so that the magnetic heat is gathered to cause demagnetization of magnetic steel, and the subsequent performance of the magnetic pump is greatly influenced.
The invention with the patent number of CN107605746A discloses a cooling type metal magnetic pump, which comprises a motor, an outer magnetic rotor, an inner shell, a pump shaft and an impeller, wherein the motor is connected with the outer magnetic rotor; the outer sides of the first sliding bearing and the second sliding bearing are provided with flanges and are fixed with the inner shell through screws; although this magnetic drive pump is through setting up the cooling tube on interior magnetic rotor to set up radiating fin's copper pipe in the pump cover outside, thereby the heat dispersion of magnetic drive pump with higher speed, but being in encapsulated situation between interior magnetic rotor and the spacer sleeve, the vortex heat of its production can not effectively effluvium, though the heat effluvium of pump cover surface can be accelerated with radiating fin to the passing through of pump cover outside, still can not effluvium its inside vortex heat, still have great influence to its performance at the long-time high power operation in-process of magnetic drive pump. Therefore, it is a technical problem to be solved to design a self-cooling magnetic pump with excellent heat dissipation effect to overcome the defects that the existing magnetic pump is easy to generate a large amount of heat and cannot effectively dissipate the heat.
Disclosure of Invention
The invention aims to overcome the problems that a large amount of heat is easily generated in a magnetic pump and cannot be effectively dissipated, and designs a self-cooling magnetic pump with excellent heat dissipation effect.
The invention is realized by the following technical scheme:
a self-cooling magnetic pump comprises a pump body, an impeller, a pump cover, an outer magnetic rotor, an inner magnetic rotor and a pump shaft, wherein a water inlet is formed in the left end face of the pump body, a water outlet is formed in the upper end of the pump body, the right end face of the pump cover is in sealing connection with the left end face of the pump body, a shaft hole is formed in the center of the pump cover, a first sealing shaft and a second sealing shaft are arranged at the left end and the right end of the shaft hole, the pump shaft penetrates through the shaft hole, the impeller is arranged in the pump body and is connected with the left end of the pump shaft, a fan blade cavity is formed in the pump cover at the right end of the shaft hole, a plurality of fan blades are arranged on the pump shaft in the fan blade cavity, a plurality of air inlet holes are formed in the fan blade cavity at the left side of each fan blade, an isolating sleeve is arranged in the pump cover at, the left end of the conical sleeve is connected to the upper end of the fan blade cavity, the inner magnetic rotor is arranged at the right end of the pump shaft, a plurality of rib plates connected with the right end of the pump shaft are arranged on the inner side face of the inner magnetic rotor, the outer magnetic rotor is arranged on the outer circle side of the isolation sleeve, the motor is arranged on the right side of the pump cover, an output shaft of the motor extends into the pump cover to be connected with the right end face of the outer magnetic rotor, and a plurality of air outlet holes are formed in the outer shell face of the pump cover located at the right end of the outer magnetic rotor.
As a further configuration of the above solution, a plurality of annular heat dissipation fins are connected to the outer circumferential surface of the outer magnetic rotor.
As a further configuration of the above scheme, a cooling liquid circulation chamber is opened on the middle section of the shaft hole, a liquid inlet is opened on the upper end of the cooling liquid circulation chamber, a liquid outlet is opened on the lower end of the cooling liquid circulation chamber, a liquid suction port is opened on the side wall of the water outlet on the upper end of the pump body, a connection pipe is connected to the liquid suction port, a sealing valve is arranged on the connection pipe, and a cooling liquid inlet pipe is connected between the connection pipe and the liquid inlet.
As a further arrangement of the scheme, a bottom plate is arranged below the pump cover, and a welding block connected with the lower surface of the pump cover is connected onto the bottom plate.
As a further arrangement of the scheme, the clearance between the fan blade and the left side wall of the fan blade cavity is 1.5-2 mm, and the clearance between the fan blade and the conical sleeve is 2-3 mm.
Has the advantages that:
1. compared with the prior art, the magnetic pump disclosed by the invention is characterized in that a fan blade cavity is arranged in a pump cover, a pump shaft positioned in the fan blade cavity is provided with a plurality of fan blades, the fan blades synchronously rotate along with the pump shaft in the whole running process of the magnetic pump, so that outside cold air is sucked into the pump cover from an air inlet, the entering cold air flows to the right end of an isolation sleeve from a gap between the pump shaft and an inner magnetic rotor, then enters a gap between the outer magnetic rotor and a pump body shell along the gap between the isolation sleeve and the outer magnetic rotor through a vent hole, and finally is discharged from an air outlet hole at the rear end of the pump cover shell surface (refer to an attached figure 1); the whole cold air flow path has wide coverage, so that vortex heat in the pump cover is completely discharged without dead angles, the working temperatures of the inner magnetic rotor and the outer magnetic rotor are effectively reduced, and the heat dissipation effect is excellent.
2. The cooling liquid inlet pipe is arranged between the pump body and the pump cover, when non-corrosive low-temperature liquid is extracted, the sealing valve on the connecting pipe can be opened, in the process of pumping the liquid, a small amount of liquid can be extracted through the cooling liquid inlet pipe and then enters the cooling liquid circulation cavity, the pump shaft inside the cooling liquid circulation cavity is cooled to a certain degree, and then the cooling effect of cold air in the pump cover is combined, so that the heat dissipation effect of the whole magnetic pump is more excellent, and the service life of the magnetic pump is longer.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front internal plan view of the present invention;
FIG. 2 is a front interior plan view of the pump body, pump cover, outer magnetic rotor of the present invention;
FIG. 3 is a front plan view of a pump shaft, impeller, fan blades, and inner magnet rotor of the present invention;
fig. 4 is a cross-sectional view taken at a-a in fig. 1.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", and,
The terms "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like, refer to an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying drawings 1 to 4, in conjunction with the embodiments.
Example 1
Embodiment 1 describes a magnetic pump with a self-cooling effect, and referring to fig. 1, a main body of the magnetic pump comprises a pump body 1, an impeller 2, a pump cover 3, an outer magnetic rotor 11, an inner magnetic rotor 4 and a pump shaft 5. A bottom plate 16 is arranged below the pump cover 3, and a welding block 17 connected with the lower surface of the pump cover 3 is connected to the bottom plate 16.
Referring to fig. 2, a water inlet 101 is provided on the left end surface of the pump body 1, and a water outlet 102 is provided on the upper end of the pump body 1. The left end face of the pump cover 3 is connected with the right end face of the pump body 1 in a sealing mode, the specific connection mode can be connected with screws, and a rubber sealing ring (not shown in the figure) is arranged at the connection end face. The shaft hole 301 has been seted up at the center of pump cover 3 to be provided with first sealed axle 6 and second sealed axle 7 at the both ends about shaft hole 301, with pump shaft 5 run through shaft hole 301 setting, both ends are welded mutually with the inner circle of first sealed bearing 6 and second sealed axle 7 respectively about its pump shaft 5. The left end of the pump shaft 5 extends into the pump body 1 and connects the left end of the pump shaft 5 of the impeller 2.
Referring to fig. 2 and fig. 3, fan blade cavity 302 has been seted up in pump cover 3 that is located shaft hole 301 right-hand member, be provided with a plurality of flabellum 8 on pump shaft 5 that is located fan blade cavity 302, the clearance between its flabellum 8 and the left side wall of fan blade cavity 302 is 1.5~2mm, it has a plurality of inlet ports 303 to be located to open on the left fan blade cavity 302 of flabellum 8, the inside spacer 9 that is provided with of pump cover 3 that is located the right side of fan blade cavity 302, a plurality of air vents 901 have been seted up to the right-hand member face of spacer 9, spacer 9 is connected with the narrow taper sleeve 902 in left wide right side, the upper end at fan blade cavity 302 is connected to the left end of taper sleeve 902, the.
Referring to fig. 1 and 4, the inner magnetic rotor 4 is arranged at the right end of the pump shaft 5, and a plurality of rib plates 10 connected with the right end of the pump shaft 5 are arranged on the inner side surface of the inner magnetic rotor 4 and positioned at the outer circle side of the isolation sleeve 9 on which the outer magnetic rotor 11 is arranged. A motor (not shown in the figure) is arranged on the right side of the pump cover 3, an output shaft 12 of the motor extends into the pump cover 3 to be connected with the right end face of the external magnetic rotor 11, and a plurality of air outlet holes 304 are formed in the shell face of the pump cover 3 positioned at the right end of the external magnetic rotor 11.
Meanwhile, in order to enhance the heat dissipation effect inside the pump cover 3, a plurality of annular heat dissipation fins 111 are connected to the outer circumferential surface of the outer magnetic rotor 11; the heat of the eddy current generated in the operation process is transferred to the annular heat radiating fins 111 on the outer circumferential surface of the outer magnetic rotor 11, and the contact area with the annular heat radiating fins 111 is increased in the cold air flowing process, thereby accelerating the internal heat radiating effect.
Example 2
Referring to fig. 2, a water inlet 101 is provided on the left end surface of the pump body 1, and a water outlet 102 is provided on the upper end of the pump body 1. The left end face of the pump cover 3 is connected with the right end face of the pump body 1 in a sealing mode, the specific connection mode can be connected with screws, and a rubber sealing ring (not shown in the figure) is arranged at the connection end face. The shaft hole 301 has been seted up at the center of pump cover 3 to be provided with first sealed axle 6 and second sealed axle 7 at the both ends about shaft hole 301, with pump shaft 5 run through shaft hole 301 setting, both ends are welded mutually with the inner circle of first sealed bearing 6 and second sealed axle 7 respectively about its pump shaft 5. The left end of the pump shaft 5 extends into the pump body 1 and connects the left end of the pump shaft 5 of the impeller 2.
Referring to fig. 2 and fig. 3, fan blade cavity 302 has been seted up in pump cover 3 that is located shaft hole 301 right-hand member, be provided with a plurality of flabellum 8 on pump shaft 5 that is located fan blade cavity 302, the clearance between its flabellum 8 and the left side wall of fan blade cavity 302 is 1.5~2mm, it has a plurality of inlet ports 303 to be located to open on the left fan blade cavity 302 of flabellum 8, the inside spacer 9 that is provided with of pump cover 3 that is located the right side of fan blade cavity 302, a plurality of air vents 901 have been seted up to the right-hand member face of spacer 9, spacer 9 is connected with the narrow taper sleeve 902 in left wide right side, the upper end at fan blade cavity 302 is connected to the left end of taper sleeve 902, the.
Referring to fig. 1 and 4, the inner magnetic rotor 4 is arranged at the right end of the pump shaft 5, and a plurality of rib plates 10 connected with the right end of the pump shaft 5 are arranged on the inner side surface of the inner magnetic rotor 4 and positioned at the outer circle side of the isolation sleeve 9 on which the outer magnetic rotor 11 is arranged. A motor (not shown in the figure) is arranged on the right side of the pump cover 3, an output shaft 12 of the motor extends into the pump cover 3 to be connected with the right end face of the external magnetic rotor 11, and a plurality of air outlet holes 304 are formed in the shell face of the pump cover 3 positioned at the right end of the external magnetic rotor 11.
Meanwhile, in order to enhance the heat dissipation effect inside the pump cover 3, a plurality of annular heat dissipation fins 111 are connected to the outer circumferential surface of the outer magnetic rotor 11; the heat of the eddy current generated in the operation process is transferred to the annular heat radiating fins 111 on the outer circumferential surface of the outer magnetic rotor 11, and the contact area with the annular heat radiating fins 111 is increased in the cold air flowing process, thereby accelerating the internal heat radiating effect.
In embodiment 2, a cooling liquid circulation cavity 305 is further formed in the middle section of the shaft hole 301, a liquid inlet 306 is formed in the upper end of the cooling liquid circulation cavity 305, a liquid outlet 307 is formed in the lower end of the cooling liquid circulation cavity 305, a liquid pumping port 103 is formed in the side wall of the water outlet 102 at the upper end of the pump body 1, a connection pipe 13 is connected to the liquid pumping port 103, a sealing valve 14 is arranged on the connection pipe 13, and a cooling liquid inlet pipe 15 is connected between the connection pipe 13 and the liquid inlet 306. When non-corrosive liquid is pumped, the sealing valve 14 can be opened, a small amount of liquid in the pumping process is introduced into the cooling liquid circulation cavity 305, and the cooling liquid circulation cavity 305 surrounds the outer circle side surface of the pump shaft 5, so that the heat dissipation of the pump shaft 5 is accelerated, the heat dissipation effect of cold air inside the pump cover is combined, the heat dissipation effect and the cooling effect of the whole magnetic pump can be further accelerated, and the service life of the magnetic pump is prolonged.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A self-cooling magnetic pump comprises a pump body (1), an impeller (2), a pump cover (3), an outer magnetic rotor (11), an inner magnetic rotor (4) and a pump shaft (5), wherein a water inlet (101) is formed in the left end face of the pump body (1), a water outlet (102) is formed in the upper end of the pump body (1), the right end face of the left end face of the pump cover (3) is in sealing connection with the right end face of the pump body (1), a shaft hole (301) is formed in the center of the pump cover (3), a first sealing shaft (6) and a second sealing shaft (7) are arranged at the left end and the right end of the shaft hole (301), the pump shaft (5) penetrates through the shaft hole (301), the impeller (2) is arranged in the pump body (1) and connected with the left end of the pump shaft (5), and is characterized in that a fan blade cavity (302) is formed in the pump cover (3) at the right end of the shaft hole (301), a plurality of fan blades (8, a plurality of air inlets (303) are formed in a fan blade cavity (302) on the left side of the fan blade (8), an isolating sleeve (9) is arranged inside the pump cover (3) on the right side of the fan blade cavity (302), a plurality of vent holes (901) are formed in the right end face of the isolating sleeve (9), the isolating sleeve (9) is connected with a conical sleeve (902) which is wide at the left and narrow at the right, the left end of the conical sleeve (902) is connected with the upper end of the fan blade cavity (302), the inner magnetic rotor (4) is arranged at the right end of the pump shaft (5), a plurality of rib plates (10) connected with the right end of the pump shaft (5) are arranged on the inner side face of the inner magnetic rotor (4), the outer magnetic rotor (11) is arranged on the outer circle side of the isolating sleeve (9), a motor is arranged on the right side of the pump cover (3), and an output shaft (12) of the motor extends into the pump cover (3), and a plurality of air outlet holes (304) are formed in the shell surface of the pump cover (3) positioned at the right end of the outer magnetic rotor (11).
2. A self-cooling magnetic pump according to claim 1, characterized in that a plurality of annular heat dissipating fins (111) are attached to the outer circumferential surface of said outer magnetic rotor (11).
3. The self-cooling magnetic pump according to claim 1, wherein a cooling liquid circulation cavity (305) is formed in the middle section of the shaft hole (301), a liquid inlet (306) is formed in the upper end of the cooling liquid circulation cavity (305), a liquid outlet (307) is formed in the lower end of the cooling liquid circulation cavity (305), a liquid extraction port (103) is formed in the side wall of the upper end water outlet (102) of the pump body (1), a connection pipe (13) is connected to the liquid extraction port (103), a sealing valve (14) is arranged on the connection pipe (13), and a cooling liquid inlet pipe (15) is connected between the connection pipe (13) and the liquid inlet (306).
4. The self-cooling magnetic pump according to claim 1, characterized in that a bottom plate (16) is arranged below the pump cover (3), and a welding block (17) connected with the lower surface of the pump cover (3) is connected to the bottom plate (16).
5. A self-cooling magnetic pump according to claim 1, wherein the clearance between the fan blade (8) and the left side wall of the fan blade cavity (302) is 1.5-2 mm, and the clearance between the fan blade (8) and the conical sleeve (902) is 2-3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010853013.9A CN112032067A (en) | 2020-08-22 | 2020-08-22 | Self-cooling magnetic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010853013.9A CN112032067A (en) | 2020-08-22 | 2020-08-22 | Self-cooling magnetic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112032067A true CN112032067A (en) | 2020-12-04 |
Family
ID=73580544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010853013.9A Pending CN112032067A (en) | 2020-08-22 | 2020-08-22 | Self-cooling magnetic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112032067A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983832A (en) * | 2021-04-12 | 2021-06-18 | 安徽南方化工泵业有限公司 | High-pressure magnetic pump with self-cooling function |
| CN113982991A (en) * | 2021-09-02 | 2022-01-28 | 靖江市鸿飞泵业有限公司 | Magnetic drive pump with isolation sleeve |
| CN114513094A (en) * | 2022-03-15 | 2022-05-17 | 威海化工机械有限公司 | Heat dissipation structure and method for high-rotation-speed magnetic coupler |
| CN114810674A (en) * | 2022-06-30 | 2022-07-29 | 四川绵竹川润化工有限公司 | Sealed liquid ammonia pump for liquid ammonia transportation |
| CN116857199A (en) * | 2023-09-04 | 2023-10-10 | 盐城市京兆机泵制造有限公司 | Plastic magnetic pump |
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| DE4330648C2 (en) * | 1993-09-10 | 1995-11-23 | Hella Kg Hueck & Co | Radial pump |
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| CN106996397A (en) * | 2017-05-22 | 2017-08-01 | 丹东通博泵业有限公司 | The interior cooling recirculation system structure of magnetic drive pump |
| CN109854539A (en) * | 2019-03-31 | 2019-06-07 | 丹东克隆先锋泵业有限公司 | Magnetic drive pump with external cooler |
| 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 |
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| DE4330648C2 (en) * | 1993-09-10 | 1995-11-23 | Hella Kg Hueck & Co | Radial pump |
| CN2480589Y (en) * | 2001-05-28 | 2002-03-06 | 丹东边境经济合作区克隆集团有限公司 | Magnetic pump |
| CN102954003A (en) * | 2011-08-16 | 2013-03-06 | 上海佰诺泵阀有限公司 | Magnetic driving pump |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983832A (en) * | 2021-04-12 | 2021-06-18 | 安徽南方化工泵业有限公司 | High-pressure magnetic pump with self-cooling function |
| CN113982991A (en) * | 2021-09-02 | 2022-01-28 | 靖江市鸿飞泵业有限公司 | Magnetic drive pump with isolation sleeve |
| CN113982991B (en) * | 2021-09-02 | 2022-10-04 | 靖江市鸿飞泵业有限公司 | Magnetic drive pump with isolation sleeve |
| CN114513094A (en) * | 2022-03-15 | 2022-05-17 | 威海化工机械有限公司 | Heat dissipation structure and method for high-rotation-speed magnetic coupler |
| CN114513094B (en) * | 2022-03-15 | 2024-04-30 | 威海化工机械有限公司 | Heat dissipation structure and method for high-rotation-speed magnetic coupler |
| CN114810674A (en) * | 2022-06-30 | 2022-07-29 | 四川绵竹川润化工有限公司 | Sealed liquid ammonia pump for liquid ammonia transportation |
| CN114810674B (en) * | 2022-06-30 | 2022-11-29 | 四川绵竹川润化工有限公司 | Sealed liquid ammonia pump for liquid ammonia transportation |
| CN116857199A (en) * | 2023-09-04 | 2023-10-10 | 盐城市京兆机泵制造有限公司 | Plastic magnetic pump |
| CN116857199B (en) * | 2023-09-04 | 2024-02-23 | 盐城市京兆机泵制造有限公司 | Plastic magnetic pump |
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Application publication date: 20201204 |
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| RJ01 | Rejection of invention patent application after publication |