CN207010524U - Air-cooled permanent magnetic coupling - Google Patents
Air-cooled permanent magnetic coupling Download PDFInfo
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- CN207010524U CN207010524U CN201720518859.0U CN201720518859U CN207010524U CN 207010524 U CN207010524 U CN 207010524U CN 201720518859 U CN201720518859 U CN 201720518859U CN 207010524 U CN207010524 U CN 207010524U
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- magnetic conductive
- conductive disk
- disk
- motor shaft
- driven
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Abstract
The utility model discloses a kind of air-cooled permanent magnetic coupling, the utility model embodiment uses air film technology, isolation air film is formed between copper conductor and p-m rotor in air-cooled permanent magnetic coupling, while cooling down copper conductor and p-m rotor, the heat transfer completely cut off between copper conductor and p-m rotor, so as to improve the efficiency of cooling and degree, ensure the reliability service of permanent magnetic coupling.
Description
Technical field
The permanent magnetic drive technology of industrial circle is the utility model is related to, more particularly to a kind of air-cooled permanent magnetic coupling.
Background technology
Permanent magnetic drive technology is the breakthrough new technology developed in the world in recent years, is specific to blower fan, pump class
The applicable technology of centrifugal load variable speed energy saving.It has energy-efficient, high reliability, without be rigidly connected transmit moment of torsion, can dislike
Applied under bad environment, greatly reduce total system vibration, the features such as reducing system maintenance and extend system service life.Especially
It, which is not produced, does not cause the excellent governor control characteristics that the motor feels hot more to become blower fan and pump apparatus under higher hamonic wave and low speed
The first choice of energy saving technical reconstruction.
Permanent magnetic coupling is one of to be applied in permanent magnet transmission technology with the more extensive transmission device of industry, permanent magnetic coupling
Power is air-cooled permanent magnetic coupling below at 400 kilowatts (KW), and more than 400KW has two kinds of permanent magnet couplings in its application
Device：One kind is water-cooled permanent magnetic coupling, and another kind is oil injection type permanent magnetic coupling.
Fig. 1 is the air-cooled permanent magnetic coupling structural representation that prior art provides, as illustrated, permanent magnetic coupling is being transported
The induced magnetic fields to interact with p-m rotor are formed during row by copper conductor cutting magnetic induction line to rotate to realize, when passing through
When air gap distance between copper conductor and p-m rotor is to adjust the rotating speed of bearing axle, motor shaft and load rotating speed certainly will be caused
Differ, at this moment, magnetic induction acting conversion produces heat on copper conductor, and heat causes p-m rotor demagnetization, then can not be real
Now rotate.Therefore, it is necessary to the temperature of copper conductor is reduced to the temperature that can not cause p-m rotor demagnetization, to ensure permanent magnet coupling
The reliability service of device.
At present, the cooling method that different types of permanent magnetic coupling uses is different, and air-cooled permanent magnetic coupling is simple in construction,
Main heat sink forms vortex under the action of the centrifugal force by the more of inside by installation aluminium radiating fin on the outside of magnetic conductive disk by rotating speed
Heat is taken out of, and the purpose that temperature difference can reaches heat exchange cooling is formed with the air of surrounding, reliable so as to permanent magnetic coupling
Operation；Water-cooled permanent magnetic coupling structure is more complicated, and water quality there are certain requirements, involved water route complex designing, it is necessary to
There are the circulatory system, cooling system, outside water cooling system control system and reponse system etc., trouble point is more, is increase pipeline
Magnetic conductive disk heat is taken away to using water as cooling medium the reliability service so as to permanent magnetic coupling with shower nozzle；Oil injection type permanent magnetic coupling
Complicated, it is larger to increase oily floor space, including cooling system and reponse system etc. are, it is necessary to measure Oil Quality, environment
Poor, what magnetic conduction sheet heat was taken away and re-used after deep fat is cooled down to reach permanent magnetic coupling by it with oil for medium can
By operation.
As can be seen that for high-power permanent magnet coupler, i.e. water-cooled permanent magnetic coupling or oil of the power in more than 400kw
Swept type permanent magnetism coupler, cooling is complicated and the efficiency of cooling and degree be not high, can influence water-cooled permanent magnetic coupling or oil injection type
The reliability service of permanent magnetic coupling.
Utility model content
In view of this, the utility model embodiment provides a kind of air-cooled permanent magnetic coupling, and the permanent magnetic coupling can carry
The efficiency and degree of height cooling, ensure the reliability service of permanent magnetic coupling.
According to above-mentioned purpose, what the utility model was realized in：
A kind of air-cooled permanent magnetic coupling, including：Motor shaft (101), permanent magnetism power rotor (102), active magnetic conductive disk
(103), copper conductor disk (104), permanent magnetism driven rotor (105), driven magnetic conductive disk (106), bearing axle (107), speed regulator
(108), locating piece (109) and support (110), radiating fin (111), sealing gland (112), stomata (113), middle hollow stub shafts
(114), telophragma (115), gear Assembly of pin (116) wherein, the spindle nose top of motor shaft (101) and active magnetic conductive disk
(103) connect, drive driven magnetic conductive disk (106) to rotate, it is fixed perpendicular to motor shaft (101) at the spindle nose of motor shaft (101)
There is active magnetic conductive disk (103), active magnetic conductive disk (103) is by the steel disk with symmetrical cold air channel and copper conductor disk (104) group
Into, on its wall towards permanent magnetism power rotor (102), it is boundary with motor shaft (101), is symmetrically arranged with copper conductor disk (104),
Permanent magnetism driven rotor (105) is connected through speed regulator (108) with bearing axle (107), drives the rotation of bearing axle (107).It is driven to lead
Disk (106) is made up of the steel disk with symmetrical cold air channel and copper conductor disk (104), and it is towards permanent magnetism driven rotor
(105) on wall, locating piece (109) is arranged on effect between active magnetic conductive disk (103) and driven magnetic conductive disk (106) and is to be connected
Active magnetic conductive disk and driven magnetic conductive disk, active magnetic conductive disk (103) and driven magnetic conductive disk (106) have hollow cylinder among being formed
Space, there are permanent magnetism power rotor (102) and permanent magnetism driven rotor (105) in cylindrical space, telophragma (115) passes through gear bearing pin
Component (116) is connected with each other with permanent magnetism power rotor (102) and permanent magnetism driven rotor (105), telophragma (115) and bearing axle
(107) adjusted vertically by speed regulator (108) with permanent magnetism driven rotor (105) by key connection, permanent magnetism power rotor (102)
Move to adjust the air gap between active magnetic conductive disk (103) and driven magnetic conductive disk (106)；The permanent magnetic coupling also includes：
In motor shaft (101) backwards to active magnetic conductive disk (103) direction, there is the support parallel to active magnetic conductive disk 103
(110), the top centre bore of support (110) communicates with the axis center hole of motor shaft (101), the axis center hole of motor shaft (101)
Communicate with the gap in active magnetic conductive disk (103), and communicated with the stomata (113) that the spindle nose top of motor shaft (101) is set, pressed
After the cooling air of contracting is entered by the top centre bore of support (110), the axis center hole through motor shaft (101), master is entered
The stomata (113) for moving the gap in magnetic conductive disk (103) and being set by the spindle nose top of motor shaft (101) is attached to permanent magnetism actively
Copper conductor disk (104) surface on rotor (102) wall.
It is preferred that the air-cooled permanent magnetic coupling also includes：
After cooling air enters the gap in active magnetic conductive disk (103), pass through locating piece (109) and active magnetic conductive disk
(103) and the clearance channel that is formed of driven magnetic conductive disk (106) is sent in the gap in driven magnetic conductive disk (106), by forever
The stomata (113) that the junction of hollow stub shafts (114) is set in magnetic driven rotor (105) is attached in permanent magnetism driven rotor
(105) surface of the copper conductor disk (104) on wall.
It is preferred that the stomata that the spindle nose top of the motor shaft (101) is set, and the permanent magnetism driven rotor (105)
The stomata that sets of middle hollow stub shafts (114) junction can have two or more, and be provided with jet direction and angle.
It is preferred that the support (110) and the junction of motor shaft (101) have sealing gland (112).
It is preferred that on wall of the active magnetic conductive disk (103) towards motor shaft (101) direction, with motor shaft (101) for boundary,
It is symmetrically arranged with radiating fin (111)；
On wall of the driven magnetic conductive disk (106) towards speed regulator (108) direction, with speed regulator (108) for boundary, symmetrically set
It is equipped with radiating fin (111).
As can be seen from the above scheme, the utility model embodiment uses air film technology, in air-cooled permanent magnetic coupling
Copper conductor and p-m rotor between form isolation air film, cool down copper conductor and while p-m rotor, completely cut off copper conductor and forever
Heat transfer between magnet rotor, so as to improve the efficiency of cooling and degree, ensure the reliability service of permanent magnetic coupling.
Brief description of the drawings
Fig. 1 is the air-cooled permanent magnetic coupling structural representation that prior art provides；
Fig. 2 is the principle schematic that the air-cooled permanent magnetic coupling that the utility model embodiment provides uses air film technology；
Fig. 3 is the air-cooled permanent magnetic coupling structural representation that the utility model embodiment provides；
Fig. 4 is the method flow diagram to the cooling of air-cooled permanent magnetic coupling that the utility model embodiment provides.
Reference
101- motor shafts
102- permanent magnetism power rotors
103- active magnetic conductive disks
104- copper conductor disks
105- permanent magnetism driven rotors
The driven magnetic conductive disks of 106-
107- bearing axles
108- speed regulators
109- locating pieces
110- supports
111- radiating fins
112- sealing glands
113- stomatas
114- hollow mandrels
115- telophragmas
116- gear Assembly of pin
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, develop simultaneously implementation referring to the drawings
Example, is described in further detail to the utility model.
In order to improve the efficiency of cooling and degree, ensure the reliability service of permanent magnetic coupling, especially for powerful
Permanent magnetic coupling, the utility model embodiment use air film technology, and the copper conductor and permanent magnetism in air-cooled permanent magnetic coupling turn
Isolation air film, while cooling down copper conductor and p-m rotor, the heat between isolation copper conductor and p-m rotor are formed between son
Transmit.
Due to running temperature can be greatly reduced using the air-cooled permanent magnetic coupling of this air film technology, it is possible to increase
Add its operating power, such as more than more than 400kw, so as to substitute water-cooled permanent magnetic coupling or oil injection type permanent magnetic coupling.
Herein, the principle of air film technology is：Secondary gas is introduced from the hole on the equipment wall surface of hot environment to primary air
Stream, such as jet or the secondary gas flow using cooling working medium, secondary gas flow are downward under pressure and the frictional force effect of primary air
Trip flowing, bends along equipment wall surface, is attached on the certain area of equipment wall surface, forms the relatively low cold air film of temperature, will set
Standby wall is isolated with the primary air of high temperature, and takes away part primary air, is made so as to play good cooling protection to equipment wall surface
With.Compared with diverging cooling, spray orifice is fewer used by air film cooling technology, and the secondary gas flow for being used to cool down of ejection is more
Concentrate, the Area comparison that can be maintained on equipment wall surface is big.Therefore, the previous section of equipment wall surface for needing to cool down or on
Setting spray orifice in trip part can reach the purpose of cooling, and jet direction and angle according to experiment and can be also calculated to carry out
Corresponding adjustment, so as to can not only reach the purpose effectively cooled down, aerodynamic loss, turbulent flow caused by injection can also be controlled
Dynamic and equipment wall surface thermal stress collection is medium.
As shown in Fig. 2 the air-cooled permanent magnetic coupling that Fig. 2, which is the utility model embodiment, to be provided uses the original of air film technology
Schematic diagram is managed, as illustrated, permanent magnetic coupling utilizes air film technology, spray orifice is set on permanent magnetic coupling, is sprayed for cooling down
Secondary gas flow, air film is formed between p-m rotor and copper conductor so that the temperature of p-m rotor be not higher than its demagnetization temperature
Degree, while completely cutting off the temperature between p-m rotor and copper conductor and transmitting, the problem of cooling copper conductor, extend permanent magnet coupling
The service life of device, ensure permanent magnetic coupling reliability of operation.
Fig. 3 is air-cooled permanent magnetic coupling structural representation provided in an embodiment of the present invention, as illustrated, including：Motor
Axle 101, permanent magnetism power rotor 102, active magnetic conductive disk 103, copper conductor disk 104, permanent magnetism driven rotor 105, driven magnetic conductive disk
106th, bearing axle 107, speed regulator 108, locating piece 109 and support 110, wherein,
The spindle nose top of motor shaft 101 is connected with permanent magnetism power rotor 102, drives permanent magnetism power rotor 102 to rotate,
Active magnetic conductive disk 103 is fixed with perpendicular to motor shaft 101 at the spindle nose of motor shaft 101, active magnetic conductive disk 103 is by with centre bore
Steel disk and copper conductor disk 104 form, on its wall towards permanent magnetism power rotor 102, with motor shaft 101 for boundary, symmetrically set
Copper conductor 104 is equipped with, permanent magnetism driven rotor 105 is connected through speed regulator 108 with bearing axle 107, drives the rotation of bearing axle 107,
Driven magnetic conductive disk 106 is fixed with perpendicular to speed regulator 108 and positioned at the junction of speed regulator 108 and permanent magnetism driven rotor 105, from
Dynamic magnetic conductive disk 106 is made up of the steel disk with centre bore and copper conductor disk 104, right on its wall towards permanent magnetism driven rotor 105
Title is distributed with copper conductor disk 104, and locating piece 109 is arranged on active magnetic conductive disk 103 and between movable magnetic disc 106, with active magnetic conduction
Disk 103 and driven magnetic conductive disk 106 formed it is middle there is hollow cylinder, there is permanent magnetism power rotor 102 and forever in cylinder
Magnetic driven rotor 105 is connected with each other by telophragma 115.Telophragma 115 is actively turned by gear Assembly of pin 116 and permanent magnetism
Son 102 and permanent magnetism driven rotor 105 are connected with each other, and telophragma 115 passes through key connection, permanent magnetism power rotor 102 with bearing axle 107
It can be adjusted with permanent magnetism driven rotor 105 by speed regulator 108 and be axially displaced to regulation and active magnetic conductive disk 103 and driven lead
Air gap between disk 106 reaches speed governing purpose；
The permanent magnetic coupling also includes：
In the direction of active magnetic conductive disk 103 backwards of motor shaft 101, there is the support 110 parallel to active magnetic conductive disk 103,
The top centre bore of support 110 communicates with the axis center hole of motor shaft 101, axis center hole and the active magnetic conductive disk of motor shaft 101
Gap in 103 communicates, and is communicated with the stomata 113 that the spindle nose top of motor shaft 101 is set, and the cooling air of compression passes through branch
After the top centre bore of frame 110 enters, the axis center hole through motor shaft 101, the gap entered in active magnetic conductive disk 103 and by
The stomata 113 that the spindle nose top of motor shaft 101 is set is attached to the surface of copper conductor disk 104 on the wall of permanent magnetism power rotor 102.
Also include in the permanent magnetic coupling：
After cooling air enters the gap in active magnetic conductive disk 103, by locating piece 109 and active magnetic conductive disk 103 and
The clearance channel that driven magnetic conductive disk 106 is formed is sent in the gap in driven magnetic conductive disk 106, by the permanent magnetism from turn
The stomata of hollow stub shafts 114 is attached to the table of the copper conductor disk 104 on the wall of permanent magnetism driven rotor 105 in the junction of son 105
Face.
In the apparatus, the junction of the support 110 and motor shaft 101 has sealing gland 112, promote the air of compression from
The top centre bore of support 110 enters the axis center hole of motor shaft 101.
In the apparatus, the stomata that the spindle nose top of the motor shaft 101 is set, and the permanent magnetism driven rotor 105
Junction set in the stomatas of hollow stub shafts 114 can have two or more, and be provided with jet direction and angle, it is set
Jet direction and angle can according to experiment and calculating be adjusted.
In the apparatus, what the top centre bore by support 110 entered is the cooling air of compression, so finally
Can be behind the axis center hole of motor shaft 101, the gap and the spindle nose top by motor shaft 101 that flow in active magnetic conductive disk 103
The stomata that end is set ejects to form air film, also has the air of cooling in the gap of driven magnetic conductive disk 106, and in permanent magnetism
The surface of copper conductor disk 104 on the wall of driven rotor 105 also forms air film, has the function that to completely cut off heat transfer and radiating.
So, cooling air can enters inside permanent magnetic coupling, is passing through active magnetic conductive disk 103 and driven magnetic conductive disk
A part of heat can be taken away when 106, also plays a part of cooling down magnetic conductive disk to a certain extent.
In the apparatus, it is boundary with motor shaft 101 on wall of the active magnetic conductive disk 103 towards the direction of motor shaft 101, it is right
Title is provided with radiating fin 111；On wall of the driven magnetic conductive disk 106 towards the direction of speed regulator 108, radiating fin is symmetrically arranged with
111.Set radiating fin 111 forms vortex when described device operates, and the heat on fin is taken away so as to play
The temperature action of active magnetic conductive disk 103 and driven magnetic conductive disk 106 is reduced respectively, further functions as thermolysis.
Fig. 4 be it is provided in an embodiment of the present invention to air-cooled permanent magnetic coupling cooling method flow diagram, its specific steps
For：
Step 401, set permanent magnetic coupling motor shaft 101 support 110 top centre bore and motor shaft 101 axle
Centre bore communicates, and sets the axis center hole of motor shaft 101 to be communicated with the gap in active magnetic conductive disk 103, and setting and motor shaft
The stomata that 101 spindle nose top is set communicates；
After step 402, the cooling air of compression are entered by the top centre bore of support 110, in the axle through motor shaft 101
Heart hole, the gap entered in active magnetic conductive disk 103 and the stomata set by the spindle nose top of motor shaft 101 are attached to permanent magnetism master
The surface of copper conductor disk 104 on turn 102 walls of son.
This method also includes：After cooling air enters the gap in active magnetic conductive disk 103, pass through locating piece 109 and master
The clearance channel that dynamic magnetic conductive disk 103 and driven magnetic conductive disk 106 are formed is sent in the gap in driven magnetic conductive disk 106, is passed through
The stomata that hollow stub shafts 114 are set in the junction of the permanent magnetism driven rotor 105 is attached in the wall of permanent magnetism driven rotor 105
On copper conductor disk 104 surface.
In the method, the stomata that the spindle nose top of the motor shaft 101 is set, and the permanent magnetism driven rotor 105
Junction in the stomata that sets of hollow stub shafts 114 can have two or more, and jet direction and angle are set.
In the method, the junction of the support 110 and motor shaft 101 has sealing gland 112, promote the air of compression from
The top centre bore of support 110 enters the axis center hole of motor shaft 101.
In the method, on wall of the active magnetic conductive disk towards motor direction of principal axis, using motor shaft as boundary, it is symmetrical arranged useful
In the radiating fin operationally to cool；
On wall of the driven magnetic conductive disk towards speed regulator direction, the radiating fin for operationally cooling is symmetrically arranged with
Piece.
The utility model embodiment to air-cooled permanent magnetic coupling due to further carrying out cooling processing, so applicable work(
Rate can improve, such as more than 400kw.
When high-power air-cooled permanent magnetic coupling can reduces operation by way of the utility model embodiment offer
Caused temperature, and the application of water-cooled permanent magnetic coupling and oil injection type permanent magnetic coupling can be substituted, there is soft start, save
Consumption reduction, protection equipment is safe and simple in construction, the characteristics of small volume.
The utility model embodiment industrially realize application, such as thermoelectric field operating power 1120kw's
Used on blower fan, reliable and energy-saving effect is obvious.
The utility model embodiment promotes the development of high-power permanent magnet transmission device, in the large-scale permanent magnet transmission of industrial circle
Device uses thin oil cooling and lubricating, and oil injection type permanent magnetic coupling can increase petrol station and heat-exchange system.Complicated, power consumption is high, cold
But device easily causes secondary pollution, and petrol station maintaining difficulty is higher, and Seepage is difficult to clean off, and uses this practicality
The air-cooled permanent magnetic coupling that new embodiment provides then using forcing wind to be cooled down, saves the energy, no rapid wear easy to maintenance
Part, and safe and reliable long lifespan.
Preferred embodiment is lifted above, and the purpose of this utility model, technical scheme and advantage have been carried out further specifically
It is bright, it should be understood that and the foregoing is only preferred embodiment of the present utility model, it is not new to limit this practicality
Type, it is all within the spirit and principles of the utility model, all any modification, equivalent and improvement made etc., it should be included in
Within the scope of protection of the utility model.
Claims (5)
1. a kind of air-cooled permanent magnetic coupling, including：Motor shaft (101), permanent magnetism power rotor (102), active magnetic conductive disk
(103), copper conductor disk (104), permanent magnetism driven rotor (105), driven magnetic conductive disk (106), bearing axle (107), speed regulator
(108), locating piece (109) and support (110), radiating fin (111), sealing gland (112), stomata (113), middle hollow stub shafts
(114), telophragma (115) and gear Assembly of pin (116), wherein, spindle nose top and the active magnetic conductive disk of motor shaft (101)
(103) connect, drive driven magnetic conductive disk (106) to rotate, it is fixed perpendicular to motor shaft (101) at the spindle nose of motor shaft (101)
There is active magnetic conductive disk (103), active magnetic conductive disk (103) is by the steel disk with symmetrical cold air channel and copper conductor disk (104) group
Into, on its wall towards permanent magnetism power rotor (102), it is boundary with motor shaft (101), is symmetrically arranged with copper conductor disk (104),
Permanent magnetism driven rotor (105) is connected through speed regulator (108) with bearing axle (107), drives the rotation of bearing axle (107)；It is driven to lead
Disk (106) is made up of the steel disk with symmetrical cold air channel and copper conductor disk (104), and it is towards permanent magnetism driven rotor
(105) on wall, locating piece (109) is arranged on effect between active magnetic conductive disk (103) and driven magnetic conductive disk (106) and is to be connected
Active magnetic conductive disk and driven magnetic conductive disk, active magnetic conductive disk (103) and driven magnetic conductive disk (106) have hollow cylinder among being formed
Space, there are permanent magnetism power rotor (102) and permanent magnetism driven rotor (105) in cylindrical space, telophragma (115) passes through gear bearing pin
Component (116) is connected with each other with permanent magnetism power rotor (102) and permanent magnetism driven rotor (105), telophragma (115) and bearing axle
(107) adjusted vertically by speed regulator (108) with permanent magnetism driven rotor (105) by key connection, permanent magnetism power rotor (102)
Move to adjust the air gap between active magnetic conductive disk (103) and driven magnetic conductive disk (106)；Characterized in that, the permanent magnet coupling
Device also includes：
In motor shaft (101) backwards to active magnetic conductive disk (103) direction, there is the support parallel to active magnetic conductive disk 103
(110), the top centre bore of support (110) communicates with the axis center hole of motor shaft (101), the axis center hole of motor shaft (101)
Communicate with the gap in active magnetic conductive disk (103), and communicated with the stomata (113) that the spindle nose top of motor shaft (101) is set, pressed
After the cooling air of contracting is entered by the top centre bore of support (110), the axis center hole through motor shaft (101), master is entered
The stomata (113) for moving the gap in magnetic conductive disk (103) and being set by the spindle nose top of motor shaft (101) is attached to permanent magnetism active turn
Copper conductor disk (104) surface on sub (102) wall.
2. air-cooled permanent magnetic coupling as claimed in claim 1, it is characterised in that also include：
After cooling air enters the gap in active magnetic conductive disk (103), pass through locating piece (109) and active magnetic conductive disk (103)
It is driven by permanent magnetism and the clearance channel that driven magnetic conductive disk (106) is formed is sent in the gap in driven magnetic conductive disk (106)
The stomata (113) that the junction of hollow stub shafts (114) is set in rotor (105) is attached on permanent magnetism driven rotor (105) wall
Copper conductor disk (104) surface.
3. air-cooled permanent magnetic coupling as claimed in claim 2, it is characterised in that the spindle nose top of the motor shaft (101)
The stomata of setting, and the stomata of middle hollow stub shafts (114) junction setting of the permanent magnetism driven rotor (105) can have two
It is individual or multiple, and it is provided with jet direction and angle.
4. air-cooled permanent magnetic coupling as claimed in claim 1 or 2, it is characterised in that the support (110) and motor shaft
(101) junction has sealing gland (112).
5. air-cooled permanent magnetic coupling as claimed in claim 1 or 2, it is characterised in that in active magnetic conductive disk (103) towards electricity
On the wall in arbor (101) direction, with motor shaft (101) for boundary, radiating fin (111) is symmetrically arranged with；
On wall of the driven magnetic conductive disk (106) towards speed regulator (108) direction, with speed regulator (108) for boundary, it is symmetrically arranged with scattered
Hot fin (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720518859.0U CN207010524U (en) | 2017-05-11 | 2017-05-11 | Air-cooled permanent magnetic coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720518859.0U CN207010524U (en) | 2017-05-11 | 2017-05-11 | Air-cooled permanent magnetic coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207010524U true CN207010524U (en) | 2018-02-13 |
Family
ID=61441677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720518859.0U Withdrawn - After Issue CN207010524U (en) | 2017-05-11 | 2017-05-11 | Air-cooled permanent magnetic coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207010524U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107040123A (en) * | 2017-05-11 | 2017-08-11 | 北京必可测科技股份有限公司 | Air-cooled permanent magnetic coupling and the method cooled to air-cooled permanent magnetic coupling |
-
2017
- 2017-05-11 CN CN201720518859.0U patent/CN207010524U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107040123A (en) * | 2017-05-11 | 2017-08-11 | 北京必可测科技股份有限公司 | Air-cooled permanent magnetic coupling and the method cooled to air-cooled permanent magnetic coupling |
| CN107040123B (en) * | 2017-05-11 | 2023-07-28 | 北京必可测科技股份有限公司 | Air-cooled permanent magnet coupler and method for cooling air-cooled permanent magnet coupler |
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