CN205544876U - Horizontal water -cooling permanent magnet speed regulation ware of disk with magnetic screen speed control mechanism - Google Patents
Horizontal water -cooling permanent magnet speed regulation ware of disk with magnetic screen speed control mechanism Download PDFInfo
- Publication number
- CN205544876U CN205544876U CN201620117419.XU CN201620117419U CN205544876U CN 205544876 U CN205544876 U CN 205544876U CN 201620117419 U CN201620117419 U CN 201620117419U CN 205544876 U CN205544876 U CN 205544876U
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- rotor
- conductor
- permanent magnet
- casing
- horizontal water
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Abstract
The utility model belongs to the technical field of permanent magnet speed regulation, especially, relate to a horizontal water -cooling permanent magnet speed regulation ware of disk with magnetic screen speed control mechanism, including the conductor rotor, permanent magnet rotor, there is the air gap between conductor rotor and the permanent magnet rotor, be equipped with the copper conductor on the conductor rotor, permanent magnet rotor is inside to be equipped with along circumference evenly distributed's permanent magnet, the conductor rotor, permanent magnet rotor sets up in the equipment shell, be equipped with the magnetic screen speed control mechanism coaxial with permanent magnet rotor in the circumference of its characterized in that conductor rotor, permanent magnet rotor sets up in magnetic screen speed control mechanism's space, magnetic screen speed control mechanism sets up in the equipment shell, equipment shell upper portion is equipped with the coolant entry. The beneficial effects of the utility model are that: the regulation structure size is little, and equipment is more stable more reliable to can adjust the rotational speed of load wantonly to the speed of conductor rotor from the zero -speed, the equipment heat production is little, and the radiating effect is good.
Description
Technical field
This utility model belongs to permanent magnetic speed-adjusting technical field, particularly relates to a kind of disc type horizontal water with magnetic shield speed adjusting gear
Cold permanent-magnet speed governor.
Background technology
In the industries such as large-scale mining, petrochemical industry, electric power and metallurgy, due to the needs of energy-conserving and environment-protective, permanent magnet speed regulation device
Application more and more extensive.Permanent magnet speed regulation device adapts to various adverse circumstances, big including voltage ripple of power network, harmonic wave serious,
The places such as inflammable and explosive, moist, dust, can on-line control load rotating speed, to meet running needs, it is achieved
Variable speed energy saving, speed adjustable range 0-98%, fractional energy savings 10%～65%.Permanent magnetic speed-adjusting technology is simple, reliable, service life of equipment
Long；Problem without Electromagnetic Interference；So much the arrangements for speed regulation in the place that conditions are difficult are gradually replaced by permanent-magnet speed governor.
Existing permanent-magnet speed governor mainly has tubular permanent-magnet speed governor and desk permanent-magnet speed regulator, and tubular speed regulator is by regulation tubular
P-m rotor with tubular conductor rotor in the relative position of axis direction, with change p-m rotor and conductor rotor coupling effective
Part, and then regulation torque, this bigger axial space being accomplished by is beneficial between p-m rotor and conductor rotor carry out phase
To axial movement；And desk permanent-magnet speed regulator carries out turning by the air gap between regulation dish type p-m rotor and conductor rotor
The regulation of square, and then realize the speed governing to load.It is also required to bigger axial space and carries out the regulation of air gap, the axial chi of product
Very little greatly, bring the biggest inconvenience to Reconstruction in field；During speed governing, p-m rotor needs mobile, equipment arm length, vibration be big,
It is easily damaged bearing, equipment dependability bad；During regulation, due to p-m rotor quality, rotary inertia greatly, easily impact；Adjust
Regulating device loads, regulation shaft strength is excessive fragile；Vibration equipment is big, heating is high, permanent magnet easily lost efficacy；Regulate simultaneously
Also need to overcome the effect of bigger permanent magnetic attraction during air gap.So place in some limited space is difficult to apply.
Utility model content
This utility model carries out rotating speed tune by regulation p-m rotor with conductor rotor air gap for permanent-magnet speed governor in prior art
During joint, the axial dimension of equipment is relatively big, and bearing is by problems such as excessive fragile and p-m rotor heating are high, it is provided that a kind of
With the disc type Horizontal water cooling permanent-magnet speed governor of magnetic shield speed adjusting gear, adjustment structure size is little, need not move entirety forever simultaneously
Magnet rotor makes the mass centre of equipment remain fixing, and equipment is more stable more reliable, and can be by the rotating speed of load from zero
Speed arbitrarily regulates between the speed of conductor rotor, and equipment heat production is little, for powerful device good heat dissipation effect.
A kind of disc type Horizontal water cooling permanent-magnet speed governor with magnetic shield speed adjusting gear, including conductor rotor, p-m rotor, institute
Stating and there is air gap between conductor rotor and described p-m rotor, described conductor rotor is provided with two conductor structures, and described permanent magnetism turns
Son is arranged on described in two between conductor structure, and described conductor rotor, described p-m rotor are arranged in device housings, its feature
It is between described conductor rotor and described p-m rotor to be provided with the magnetic shield speed adjusting gear coaxial with described p-m rotor, described
P-m rotor is arranged in the space of described magnetic shield speed adjusting gear, and described magnetic shield speed adjusting gear is arranged on described device housings
In, described device housings top is provided with cooling medium entrance.
Described magnetic shield speed adjusting gear includes that ring shielding magnetism, camshaft bearing, screw-casing, described p-m rotor are arranged on described magnetic
Fixing in shading ring and with described ring shielding magnetism and be connected, described p-m rotor is coaxial with described ring shielding magnetism, described ring shielding magnetism
Being provided with flux bore, described ring shielding magnetism is connected by described camshaft bearing and described screw-casing are fixing, and described screw-casing is arranged
In output shaft coupler periphery synchronous rotation, described screw-casing can move axially along described output shaft coupler, described
Screw-casing is connected with outside executor.
Described screw-casing is provided with feather key and helicla flute, and described feather key is arranged on described screw-casing inwall, described guiding
Key and the gathering sill being arranged on described output shaft coupler outer wall are connected, and described helicla flute is arranged on outside described screw-casing
On wall, described camshaft bearing is arranged in described helicla flute.
Described ring shielding magnetism is connected by the arcuate groove on described p-m rotor and described p-m rotor are fixing.
Described ring shielding magnetism includes two coaxially connected blanking discs, and described blanking disc is provided with flux bore, described p-m rotor
It is arranged between two described magnetic shield dishes, and is coaxially disposed with described blanking disc.
The shape of described flux bore, size, quantity are identical with the permanent magnet being arranged on described p-m rotor.
Described conductor rotor is connected with drive shaft by coupling for driving shaft, and a described drive shaft part stretches into described device housings
Inside cavity, it is outside and supported by driving bearing that another part is positioned at described device housings.
Described p-m rotor is connected with output shaft by described output shaft coupler, described output shaft by export bearings and with
Load connects.
The beneficial effects of the utility model are: the cooperation of gathering sill and feather key achieves the screw-casing axle at output shaft coupler
It is used for making flux shield structure and p-m rotor can rotate against certain angle to coordinating of movement, helicla flute and camshaft bearing,
While screw-casing moves axially on output shaft coupler, ring shielding magnetism is made to rotate around axis by the effect of camshaft bearing,
Relatively rotating of ring shielding magnetism and p-m rotor can be realized, adjust the relative position of flux bore and permanent magnet on ring shielding magnetism,
Can adjust permanent magnet pole expose area number, and then realize zero mask, the partly shielding effect of p-m rotor and shield completely
Cover, reach to adjust the purpose of output moment of torsion, make the speed of p-m rotor arbitrarily can regulate between zero-speed to motor speed.
Cooling medium entrance is for spraying cooling medium in the cavity of device housings, relatively big at plant capacity, permissible when generating heat more
Spray cooling medium from cooling medium entrance, increase equipment cooling effect.This utility model regulation during, conductor rotor
Not rotating with p-m rotor, p-m rotor does not has axial displacement yet, it is to avoid product axial dimension is greatly to Reconstruction in field band
The inconvenience come；Reducing the vibration of equipment so that bearing is hardly damaged, equipment dependability is good simultaneously, and the heat of generation is little,
Radiating effect might as well.
Accompanying drawing explanation
Fig. 1 is integral device sectional view of the present utility model；
Fig. 2 is the structural representation of this utility model permanent magnet；
Fig. 3 is the structural representation of this utility model p-m rotor；
Fig. 4 is the structural representation of this utility model ring shielding magnetism；
Fig. 5 is the structural representation of this utility model screw-casing；
Fig. 6 is the structural representation of this utility model output shaft coupler；
Fig. 7 is this utility model conductor rotor and p-m rotor installation diagram；
Fig. 8 is the installation diagram of this utility model conductor rotor.
In figure, 1-drive shaft；2-driving bearing casing；3-device housings；4-cavity；5-conductor rotor；6-copper conductor；7-
P-m rotor；8-ring shielding magnetism；9-camshaft bearing；10-screw-casing；11-bearing；12-bearing chamber；13-exports bearing housing；
14-output shaft；15-coupling for driving shaft；16-output shaft coupler；17-actuator seal circle；18-driving bearing；19-drives
Dynamic bearing；20-output shaft sealing ring；21-exports bearing；22-exports bearing；23-permanent magnet；24-cooling medium entrance；25-
Arcuate groove；26-flux bore；27-helicla flute；28-feather key；29-gathering sill.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of utility model is explained.
As shown in Figure 1, Figure 7 shows, this utility model provides a kind of disc type Horizontal water cooling permanent magnetic speed-adjusting with magnetic shield speed adjusting gear
, including conductor rotor 5, p-m rotor 7, there is air gap between described conductor rotor 5 and described p-m rotor 7 in device, described
Conductor rotor 5 is provided with two conductor structures, is provided with p-m rotor 7 between two conductor structures, and described p-m rotor 7 is internal to be provided with
The most equally distributed permanent magnet 23, permanent magnet 23 is rectangular configuration, as in figure 2 it is shown, described conductor rotor 5, described
P-m rotor 7 is arranged in device housings 3, it is characterised in that be provided with between described conductor rotor 5 and described p-m rotor 7
The magnetic shield speed adjusting gear coaxial with described p-m rotor 7, described p-m rotor 7 is arranged on described magnetic shield speed adjusting gear
In space, described magnetic shield speed adjusting gear is arranged in described device housings 3, and described device housings 3 top is provided with cooling and is situated between
Matter entrance 24.
Described magnetic shield speed adjusting gear includes that ring shielding magnetism 8, camshaft bearing 9, screw-casing 10, described p-m rotor 7 are arranged on
Fixing in described ring shielding magnetism 8 and with described ring shielding magnetism 8 and be connected, described p-m rotor 7 is coaxial with described ring shielding magnetism 8,
Described ring shielding magnetism 8 is provided with flux bore 26, and described ring shielding magnetism 8 is solid with described screw-casing 10 by described camshaft bearing 9
Fixed connection, makes to rotate against between described flux shield structure and described p-m rotor 7 certain angle, described screw-casing 10
It is arranged on output shaft coupler 16 periphery synchronous rotation, and can move axially along described output shaft coupler 16, institute
The rear end stating screw-casing 10 is connected with bearing chamber 12 by bearing 11, and bearing 11 is arranged in bearing chamber 12, described spiral shell
Rotation set 10 is connected with outside executor.
Described screw-casing 10 is provided with feather key 28 and helicla flute 27, as it is shown in figure 5, described feather key 28 is arranged on described
On screw-casing 10 inwall, described feather key 28 be arranged on the gathering sill 29 of described output shaft coupler 16 outer wall (such as Fig. 6
Shown in) be connected, described helicla flute 27 is arranged on the outer wall of described screw-casing 10, and described camshaft bearing 9 is arranged on
In described helicla flute 27.
Described ring shielding magnetism 8 is connected by the arcuate groove 25 on described p-m rotor 7 is fixing with described p-m rotor 7.Arc
The groove 25 setting on p-m rotor 7 is as shown in Figure 3.
Described ring shielding magnetism 8 includes two coaxially connected blanking discs, and as shown in Figure 4, described blanking disc is provided with flux bore
26, described p-m rotor 7 is arranged between two described magnetic shield dishes, and is coaxially disposed with described blanking disc.
The shape of described flux bore 26, size, quantity are identical with the permanent magnet 23 being arranged on described p-m rotor 7.
Described conductor rotor 5 is connected with drive shaft 1 by coupling for driving shaft 15, and described drive shaft 1 part stretches into described
The cavity 4 of device housings 3 is internal, and another part is positioned at described device housings 3 outside and is supported by one group of driving bearing, institute
Stating drive shaft 1 to be connected with motor shaft by motor coupler, motor shaft is connected with motor, and during electric motor starting, drive shaft 1 is with electricity
Machine rotates, and drives conductor rotor 5 to rotate with motor in synchrony.The installation diagram of conductor rotor 5 is as shown in Figure 8.
Described p-m rotor 7 is connected with output shaft 14 by described output shaft coupler 16, and described output shaft 14 is defeated by a pair
Go out bearings and be connected with load.P-m rotor 7 rotates under coupled magnetic field effect, drives output shaft 14 to rotate and then drive
Dynamic load is done work.
Magnetic shield speed adjusting gear is controlled by outside executor, and then controls the rotation of ring shielding magnetism 8, and outside executor can be
The structure such as cylinder, hydraulic cylinder, or for controlling more accurate servomotor or motor, or manually regulate, every energy is real
The control structure of the electronic or on-electric of the existing present invention is protection scope of the present invention.
Embodiment:
As shown in Figure 1, Figure 7 shows, the permanent-magnet speed governor of the present embodiment includes conductor rotor 5, p-m rotor 7, is arranged on conductor
Between rotor 5 and p-m rotor 7 and the magnetic shield speed adjusting gear coaxial with p-m rotor 7, p-m rotor 7 is arranged on magnetic cup
Cover in the space of speed adjusting gear, between conductor rotor 5 and p-m rotor 7, there is air gap.Conductor rotor 5, p-m rotor 7 and
The cavity 4 that its magnetic shield speed adjusting gear is integrally placed to device housings 3 is internal；In conductor rotor 5, conductor structure is installed,
The electric conductivity superior due to copper and price, the present embodiment selection copper conductor 6, p-m rotor 7 is arranged between two copper conductors 6,
The internal permanent magnet 23 being placed with the rectangle being distributed uniformly and circumferentially of p-m rotor 7, the schematic diagram of permanent magnet 23 such as Fig. 2
Shown in, conductor rotor 5 and p-m rotor 7 relative motion, copper conductor 6 cuts the magnetic line of force of permanent magnet 23, at copper conductor 6
Surface produces faradic current, and faradic current produces magnetic field, the source effect of intercoupling of induced field, induced field and permanent magnet 23
Load is driven to rotate acting.
The faradic current on copper conductor 6 surface can cause copper conductor 6 to generate heat, and in the case of bearing power is relatively big, caloric value is relatively
Greatly, need by cooling medium, copper conductor 6 to be lowered the temperature.Outside cooling medium is via the cooling being arranged on device housings 3 top
Medium inlet 24 access arrangement shell 3 cavity 4, sprays on copper conductor 6 by pipeline, lowers the temperature copper conductor 6.
Conductor rotor 5 is connected with drive shaft 1 by coupling for driving shaft 15, and drive shaft 1 part stretches into device housings 3
Cavity 4 is internal, and a part is in device housings 3 outside and by one group of driving bearing i.e. driving bearing 18 and driving bearing 19
Support, driving bearing 18, driving bearing 19 are arranged in driving bearing casing 2.Drive shaft 1 is by motor coupler and motor
Axle connects, and during electric motor starting, drive shaft 1 is with electric machine rotation, and drives conductor rotor 5 to rotate with motor in synchrony.
P-m rotor 7 is connected with output shaft 14 by output shaft coupler 16, and output shaft 14 is i.e. exported by a pair output bearing
Bearing 21 and output bearing 22 support and are connected with load, and output bearing 21 and output bearing 22 are arranged on output bearing housing
In body 13.P-m rotor 7 rotates under coupled magnetic field effect, drives output shaft 14 to rotate and then drives load acting.
Ring shielding magnetism 8 is arranged on p-m rotor 7, as shown in Figure 3 by the arcuate groove 25 on p-m rotor 7.Magnetic shield
Ring 8 is provided with the flux bore 26 homogeneously same with permanent magnet 23 size, shape and quantity, the structure chart of ring shielding magnetism 8 such as Fig. 4
Shown in, the present embodiment permanent magnet 23 be shaped as rectangle.
Ring shielding magnetism 8 is arranged on screw-casing 10 by camshaft bearing 9, and wherein camshaft bearing 9 is arranged on outside screw-casing 10
In helicla flute 27 on wall, screw-casing 10 is by the feather key 28 on its inwall and the gathering sill on output shaft coupler 16
29 are arranged on output shaft coupler 16, and screw-casing 10 outer wall is additionally provided with helicla flute 27, screw-casing 10 and output shaft connection
The schematic diagram of axial organ 16 is as shown in Figure 5, Figure 6.Ring shielding magnetism 8 can synchronize to turn with p-m rotor 7 when equipment runs well
Dynamic, when needs regulation rotating speed, ring shielding magnetism 8 and p-m rotor 7 rotate against certain angle, turn with permanent magnetism
Son 7 synchronous axial system together, screw-casing 10 moves axially simultaneously on output shaft coupler 16, by the work of camshaft bearing 9
Rotate around axis with making ring shielding magnetism 8, it is possible to achieve ring shielding magnetism 8 relatively rotates with p-m rotor 7, produces one
Relative angular difference.By relatively rotating of ring shielding magnetism 8 and p-m rotor 7, flux bore 26 on ring shielding magnetism 8 can be adjusted
Relative position, make the magnetic pole of permanent magnet 23 can be completely covered (exposing).
When permanent magnet 23 within ring shielding magnetism 8 is completely covered upper p-m rotor 7, the magnetic line of force cannot be acted on by shielding completely
On copper conductor 6, now output moment of torsion is zero.When the flux bore 26 on ring shielding magnetism 8 is completely exposed the magnetic of permanent magnet 23
Pole, the magnetic line of force is applied on copper conductor 6 completely, and now output moment of torsion is maximum.
By adjusting the position of flux bore 26 of ring shielding magnetism 8, can adjust permanent magnet 23 magnetic pole expose area number,
Reach to adjust the purpose of output moment of torsion.
It is separately installed with actuator seal circle 17 and output shaft sealing ring 20 in drive shaft 1 and output shaft 14, prevents cooling to be situated between
Matter leaks into beyond cavity 4.
Use process: outside executor is acted on screw-casing 10 by bearing 11；Screw-casing 10 is along output shaft coupler 16
On gathering sill 29 move axially；Ring shielding magnetism 8 is connected by camshaft bearing 9 with screw-casing 10, and screw-casing 10 is vertically
When moving left and right, ring shielding magnetism 8 rotates along axis；Flux bore 26, flux bore 26 and permanent magnet is had on ring shielding magnetism 8
23 sizes are suitable, and when ring shielding magnetism 8 rotates to a certain angle, permanent magnet 23 is completely exposed, and now revolves when ring shielding magnetism 8
When forwarding another angle to, permanent magnet 23 blocks completely；Outside executor controls ring shielding magnetism 8 by controlling screw-casing 10
Motion so that the flux bore 26 of ring shielding magnetism 8 rotates against certain angle with the permanent magnet 23 on p-m rotor 7, enters
And reach to regulate the purpose of output shaft 14 rotating speed, then load keeps this rotating speed continuous running.
P-m rotor 7 and ring shielding magnetism 8 can rotate coaxially and can also relatively rotate, when wanting regulating load rotating speed, and magnetic cup
Cover ring 8 to slide along helicla flute 27, rotate against certain angle with p-m rotor 7, it is achieved complete to permanent magnet 23
Shielding, partly shielding effect and complete Open control, and then the rotating speed of regulation p-m rotor 7, p-m rotor 7 reaches corresponding rotating speed
After, ring shielding magnetism 8 and p-m rotor 7 run-in synchronism, load keeps this rotating speed continuous running.
When the power that load needs is less, equipment only carries out air-cooled to meet cooling requirements, when the power of load is bigger,
Cooling medium can be added by cooling medium entrance 24, make air-cooled and cooling medium equipment be dispelled the heat, radiating effect simultaneously
Good.
Above example of the present utility model is described in detail, but described content has been only preferred embodiment of the present utility model,
It is not to be regarded as limiting practical range of the present utility model.All impartial changes made according to this utility model application range with
Improve, within all should still belonging to patent covering scope of the present utility model.
Claims (8)
1. with a disc type Horizontal water cooling permanent-magnet speed governor for magnetic shield speed adjusting gear, including conductor rotor, p-m rotor,
There is air gap between described conductor rotor and described p-m rotor, described conductor rotor is provided with two conductor structures, described permanent magnetism
Rotor is arranged on described in two between conductor structure, is provided with the most equally distributed permanent magnet inside described p-m rotor, described
Conductor rotor, described p-m rotor are arranged in device housings, it is characterised in that described conductor rotor and described p-m rotor it
Between be provided with the magnetic shield speed adjusting gear coaxial with described p-m rotor, described p-m rotor is arranged on described magnetic shield speed adjusting gear
Space in, described magnetic shield speed adjusting gear is arranged in described device housings, and described device housings top is provided with cooling medium
Entrance.
Disc type Horizontal water cooling permanent-magnet speed governor the most according to claim 1, it is characterised in that described magnetic shield speed adjusting gear
Including ring shielding magnetism, camshaft bearing, screw-casing, described p-m rotor be arranged in described ring shielding magnetism and with described magnetic shield
Ring is fixing to be connected, and described p-m rotor is coaxial with described ring shielding magnetism, and described ring shielding magnetism is provided with flux bore, described magnetic cup
Cover ring to be fixed by described camshaft bearing and described screw-casing and be connected, described screw-casing be arranged on output shaft coupler periphery and with
Its synchronous axial system, described screw-casing can move axially along described output shaft coupler, and described screw-casing is connected with outside executor.
Disc type Horizontal water cooling permanent-magnet speed governor the most according to claim 2, it is characterised in that described screw-casing is provided with leads
To key and helicla flute, described feather key is arranged on described screw-casing inwall, and described feather key joins with being arranged on described output shaft
The gathering sill of axial organ outer wall is connected, and described helicla flute is arranged on the outer wall of described screw-casing, and described camshaft bearing is arranged
In described helicla flute.
4. according to the disc type Horizontal water cooling permanent-magnet speed governor described in Claims 2 or 3, it is characterised in that described ring shielding magnetism leads to
Cross that arcuate groove on described p-m rotor is fixing with described p-m rotor to be connected.
5. according to the disc type Horizontal water cooling permanent-magnet speed governor described in Claims 2 or 3, it is characterised in that described ring shielding magnetism bag
Including two coaxially connected blanking discs, described blanking disc is provided with flux bore, and described p-m rotor is arranged on two described magnetic cups
Cover between dish, and be coaxially disposed with described blanking disc.
Disc type Horizontal water cooling permanent-magnet speed governor the most according to claim 5, it is characterised in that the shape of described flux bore,
Size, quantity are identical with the permanent magnet being arranged on described p-m rotor.
Disc type Horizontal water cooling permanent-magnet speed governor the most according to claim 2, it is characterised in that described conductor rotor is by driving
Moving axis shaft coupling is connected with drive shaft, and a described drive shaft part stretches into the inside cavity of described device housings, another part position
In described device housings outside and supported by driving bearing.
Disc type Horizontal water cooling permanent-magnet speed governor the most according to claim 2, it is characterised in that described p-m rotor passes through institute
Stating output shaft coupler to be connected with output shaft, described output shaft is by exporting bearings and being connected with load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117419.XU CN205544876U (en) | 2016-02-06 | 2016-02-06 | Horizontal water -cooling permanent magnet speed regulation ware of disk with magnetic screen speed control mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117419.XU CN205544876U (en) | 2016-02-06 | 2016-02-06 | Horizontal water -cooling permanent magnet speed regulation ware of disk with magnetic screen speed control mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205544876U true CN205544876U (en) | 2016-08-31 |
Family
ID=56778282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620117419.XU Expired - Fee Related CN205544876U (en) | 2016-02-06 | 2016-02-06 | Horizontal water -cooling permanent magnet speed regulation ware of disk with magnetic screen speed control mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205544876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591989A (en) * | 2017-09-19 | 2018-01-16 | 安徽沃弗电力科技有限公司 | A kind of flame-proof type permanent-magnetic speed regulator |
-
2016
- 2016-02-06 CN CN201620117419.XU patent/CN205544876U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591989A (en) * | 2017-09-19 | 2018-01-16 | 安徽沃弗电力科技有限公司 | A kind of flame-proof type permanent-magnetic speed regulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 300384 Tianjin Ziyuan road Binhai Huayuan Industrial Park No. 13 Building No. 1 C District 901 room Patentee after: TIANJIN JI XUAN ENERGY-SAVING TECHNOLOGY LIMITED BY SHARE Ltd. Address before: 300384 Tianjin Ziyuan road Huayuan Industrial Park in Tianjin Binhai New Area 13 Building C No. 1 room 901 Patentee before: TIANJIN JIXUAN ENERGY-SAVING TECHNOLOGY CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20220206 |