CN209838958U - Stator frame, magnetic suspension axial bearing, motor and compressor - Google Patents
Stator frame, magnetic suspension axial bearing, motor and compressor Download PDFInfo
- Publication number
- CN209838958U CN209838958U CN201920553996.7U CN201920553996U CN209838958U CN 209838958 U CN209838958 U CN 209838958U CN 201920553996 U CN201920553996 U CN 201920553996U CN 209838958 U CN209838958 U CN 209838958U
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- China
- Prior art keywords
- pin
- groove
- stator frame
- framework
- axial bearing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 239000000725 suspension Substances 0.000 title abstract description 6
- 239000000565 sealant Substances 0.000 claims description 15
- 238000004804 winding Methods 0.000 claims description 12
- 238000005266 casting Methods 0.000 abstract description 12
- 239000003292 glue Substances 0.000 abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 6
- 229920003023 plastic Polymers 0.000 abstract description 5
- 239000004033 plastic Substances 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 description 16
- 230000001070 adhesive effect Effects 0.000 description 16
- 238000004382 potting Methods 0.000 description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 11
- 239000000741 silica gel Substances 0.000 description 11
- 229910002027 silica gel Inorganic materials 0.000 description 11
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000003973 paint Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The application provides a stator frame, magnetic suspension axial bearing, motor and compressor. This stator frame includes stator core (1) and skeleton (2), stator core (1) is provided with annular mounting groove (3) along circumference, skeleton (2) set up in mounting groove (3), the bottom of mounting groove (3) is provided with fixed slot (4), the terminal surface that skeleton (2) correspond fixed slot (4) is provided with pin (5), pin (5) stretch into in fixed slot (4), the clearance intussuseption between pin (5) and fixed slot (4) is filled with casting glue (6), wherein the end of pin (5) is the one end that pin (5) are close to fixed slot (4) bottom. According to the stator frame, the problem that the screws are loosened due to the fact that the framework generates plastic deformation in the heating process can be effectively avoided, and the stability and the reliability of the installation structure of the framework in the iron core are improved.
Description
Technical Field
The application belongs to the technical field of magnetic suspension bearings, and particularly relates to a stator frame, a magnetic suspension axial bearing, a motor and a compressor.
Background
The existing axial bearing is provided with 3 cylindrical bosses and 1 waist-shaped boss on a framework, and two outlet hole positions are arranged on the waist-shaped boss.
The axial bearing core structure is realized as follows: firstly, winding a coil on a framework, and impregnating and curing the coil and the framework together; the framework is arranged in the iron core, the framework and the iron core are locked through self-tapping screws, silica gel is filled in the framework and the boss of the iron core to realize sealing, the iron core is horizontally placed after the silica gel is solidified, and insulating paint is filled in the framework groove and then is dried.
In the prior art, the fixed mode mainly is that the lock pin is firm and insulating paint is supplementary fixed between skeleton and axial bearing iron core, and the skeleton material is PBT + 30% GF, need put into the oven with whole axial bearing behind the locking screw, and the skeleton material is the working of plastics, produces plastic deformation easily at the heating process, has the not hard up hidden danger of screw, and the working of plastics has the fracture quality anomaly in the process of locking screw simultaneously, and the skeleton is in the iron core, can't see out whether the skeleton ftractures in the outward appearance. Meanwhile, after the screws are locked, paint is required to be poured into the framework grooves, when the screws are locked, silica gel is required to be poured into the joints to realize sealing, so that insulating paint in a later process flows out, the later process can be carried out only after the silica gel is cured, and when the silica gel is filled, the time for waiting for curing of the silica gel is long, and the manufacturability is poor; when the screw is locked, the silica gel is not solidified, and the silica gel and the thread compound are mixed together, so that the using effect of the thread compound is influenced; silica gel is not resistant to fluorine, and has a falling risk after long-term use.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem that this application will be solved lies in providing a stator frame, magnetic suspension axial bearing, motor and compressor, can effectively avoid the skeleton to produce plastic deformation and lead to the screw not hard up in the heating process, improves skeleton mounting structure's in the iron core stability and reliability.
In order to solve the problem, the application provides a stator frame, including stator core and skeleton, stator core is provided with annular mounting groove along circumference, the skeleton sets up in the mounting groove, the bottom of mounting groove is provided with the fixed slot, between the opening to the bottom surface of fixed slot, the radial width of at least part cross section is greater than the opening radial width of fixed slot, the terminal surface that the skeleton corresponds the fixed slot is provided with the pin, the pin stretches into in the fixed slot, the radial width of the at least partial structure of pin is less than the terminal radial width of pin, the clearance intussuseption between pin and the fixed slot is filled with the casting glue, wherein the end of pin is close to the one end of fixed slot bottom for the pin.
Preferably, the radial width of the end of the pin is smaller than or equal to the radial width of the opening of the fixing groove.
Preferably, the bottom of mounting groove is seted up the constant head tank, and the constant head tank internal fixation is provided with fixed cover, and the fixed slot is seted up on fixed cover.
Preferably, the axial depth of the positioning slot is greater than the axial height of the fixing sleeve.
Preferably, the fixing groove is an inverted T-shaped groove or an inverted triangular groove, and the pins are inverted T-shaped pins or inverted triangular pins.
Preferably, the coil is wound on the framework, the framework and the coil form a coil winding, pouring sealant is filled in a gap between the coil winding and the installation groove, and the pouring sealant filled between the coil winding and the installation groove and the pouring sealant filled between the pin and the fixing groove are integrally poured and molded.
Preferably, the pins are a plurality of pins and are uniformly distributed along the axial direction of the framework, and the fixing grooves are arranged in one-to-one correspondence with the pins.
Preferably, the framework is provided with an outgoing line boss, the outgoing line penetrates out of the outgoing line boss, and the outgoing line boss is sleeved with the gasket.
Preferably, the number of the outgoing lines is two, the end face, away from the outgoing line boss, of the gasket is provided with a corrugated groove, and the corrugated groove is located between the two outgoing lines.
According to another aspect of the present application, there is provided a magnetically levitated axial bearing comprising a stator frame, the stator frame being as described above.
According to another aspect of the present application, there is provided an electric machine comprising a magnetically levitated axial bearing as described above.
According to a further aspect of the present application, there is provided a compressor comprising a magnetically levitated axial bearing as described above.
The application provides a stator frame, including stator core and skeleton, stator core is provided with annular mounting groove along circumference, the skeleton sets up in the mounting groove, the bottom of mounting groove is provided with the fixed slot, between opening to the bottom surface of fixed slot, the radial width of at least partial cross section is greater than the opening radial width of fixed slot, the terminal surface that the skeleton corresponds the fixed slot is provided with the pin, the pin stretches into in the fixed slot, the radial width of the at least partial structure of pin is less than the terminal radial width of pin, the clearance intussuseption between pin and the fixed slot is filled with the casting glue, wherein the end of pin is close to the one end of fixed slot bottom for the pin. This between stator frame's skeleton and stator core, through stretching into the fixed slot with the pin in, then fill the mode of casting glue, utilize the casting glue all to form the overhead structure between fixed slot and pin, thereby the overhead structure who forms the casting glue through the fixed slot fixes the casting glue in the fixed slot, the overhead structure who forms through pin and casting glue fixes the pin in the casting glue, make the skeleton can be fixed in the fixed slot, and then fix in the mounting groove, need not the screw structure and can realize the fixed mounting of skeleton in the stator core, moreover, the steam generator is simple in structure, can effectively solve a series of problems that adopt the screw connection to bring, the problem of droing effectively prevents to appear, connection structure's stability and reliability between improvement skeleton and the stator core.
Drawings
Fig. 1 is a schematic cross-sectional structural view of a stator frame according to an embodiment of the present application;
FIG. 2 is an enlarged schematic view of FIG. 1 at L;
FIG. 3 is an enlarged schematic view of the structure at M of FIG. 1;
fig. 4 is a schematic perspective view of a stator frame according to an embodiment of the present application;
FIG. 5 is a first isometric view of a gasket of a stator frame of an embodiment of the present application;
FIG. 6 is a second isometric view of a gasket of a stator frame of an embodiment of the present application;
fig. 7 is a cross-sectional view of a gasket of a stator frame of an embodiment of the present application;
fig. 8 is a perspective view of a frame of a stator frame according to an embodiment of the present application;
fig. 9 is a sectional structural view of a bobbin of a stator frame of an embodiment of the present application;
fig. 10 is a perspective view of a stator core of a stator frame according to an embodiment of the present application;
fig. 11 is a sectional structural view of a stator core of a stator frame of the embodiment of the present application;
fig. 12 is a perspective view showing a fixing sleeve of a stator frame according to an embodiment of the present application;
fig. 13 is a sectional structure view of a fixing sleeve of a stator frame of the embodiment of the present application.
The reference numerals are represented as:
1. a stator core; 2. a framework; 3. mounting grooves; 4. fixing grooves; 5. a pin; 6. pouring a sealant; 7. positioning a groove; 8. fixing a sleeve; 9. a coil; 10. a lead-out wire boss; 11. a gasket; 12. a wave-shaped groove; 13. an outgoing line; 14. a circuit board; 15. graphite.
Detailed Description
With reference to fig. 1 to 13, according to an embodiment of the present application, a stator frame includes a stator core 1 and a framework 2, the stator core 1 is circumferentially provided with an annular mounting groove 3, the framework 2 is disposed in the mounting groove 3, a bottom of the mounting groove 3 is provided with a fixing groove 4, between an opening of the fixing groove 4 and a bottom surface, a radial width of at least a part of a cross section is greater than a radial width of the opening of the fixing groove 4, the framework 2 is provided with a pin 5 corresponding to an end surface of the fixing groove 4, the pin 5 extends into the fixing groove 4, a radial width of at least a part of the structure of the pin 5 is smaller than a terminal radial width of the pin 5, a gap between the pin 5 and the fixing groove 4 is filled with a potting adhesive 6, wherein an end of the.
This stator frame's skeleton 2 and stator core 1 between, through stretching into in the fixed slot 4 with pin 5, then fill potting adhesive 6's mode, utilize potting adhesive 6 all to form the overhead structure between fixed slot 4 and pin 5, thereby fix potting adhesive 6 in fixed slot 4 through the overhead structure of fixed slot 4 to the formation of potting adhesive 6, fix pin 5 in potting adhesive 6 through the overhead structure of pin 5 and 6 formation of potting adhesive, make skeleton 2 can fix in fixed slot 4, and then fix in mounting groove 3, need not the fixed mounting of screw structure can realize skeleton 2 in stator core 1, moreover, the steam generator is simple in structure, can effectively solve a series of problems that adopt the screw connection to bring, effectively prevent the problem of droing, the stability and the reliability of connection structure between skeleton 2 and the stator core 1 are improved.
Preferably, the radial width of the tail end of the pin 5 is smaller than or equal to the radial width of the opening of the fixing groove 4, so that the tail end of the pin 5 can extend into the fixing groove 4 from the opening of the fixing groove 4, after the potting adhesive 6 is filled, the potting adhesive 6 on the peripheral side of the pin 5 can be extruded by the inner wall of the fixing groove 4, the deformation of the potting adhesive 6 on the peripheral side of the pin 5 is reduced, and the pin 5 is effectively prevented from being separated from the potting adhesive 6. Simultaneously, because the pouring sealant 6 in the fixed slot 4 receives the hindrance effect of pin 5, also can't shrink inwards by a wide margin, prevented effectively that pouring sealant 6 from deviating from in fixed slot 4 for form reliable and stable connection structure between skeleton 2 and stator core 1, form effective installation location to skeleton 2.
Preferably, the fixing groove 4 is an inverted T-shaped groove or an inverted triangular groove, and the pin 5 is an inverted T-shaped pin 5 or an inverted triangular pin 5. In this embodiment, the thickness of the terminal straight-line structure of the T-shaped structure of the pin 5 is smaller than the thickness of the straight-line groove of the inverted T-shaped groove, the terminal straight-line structure of the T-shaped structure of the pin 5 extends into the inverted T-shaped groove, and the straight-line structure is completely located in the straight-line groove, a certain gap is formed between the straight-line structure and the inner wall of the straight-line groove close to the opening, and the gap can be used for filling the potting adhesive 6, so when the potting adhesive 6 fills the gap between the pin 5 and the fixing groove 4, a large amount of potting adhesive can exist between the opening of the fixing groove 4 and the straight-line structure, thereby forming a barrier between the pin 5 and the opening, effectively preventing the pin 5 from being separated from the opening of the fixing groove 4, and improving the.
Preferably, the cross-sectional shape and size of the in-line structure are substantially the same as those of the in-line opening, so that the lead 5 can be more effectively prevented from coming out of the seating groove 4.
The reverse triangular groove or the reverse trapezoidal groove and the like have similar effects.
Foretell fixed slot 4 is the blind groove, also does not follow the groove that the axial runs through stator core 1 to make the other end of skeleton 2 need not to expose stator core 1 outside just can realize the installation between skeleton 2 and the stator core 1 fixed, simplified fixed knot and constructed, can improve stator core 1's structural strength simultaneously.
The bottom of mounting groove 3 has seted up constant head tank 7, and the constant head tank 7 internal fixation is provided with fixed cover 8, and fixed slot 4 is seted up on fixed cover 8. Cut apart fixed cover 8 from stator core 1, can make fixed cover 8 adopt the material different with stator core 1 on the one hand to reduce material cost, on the other hand fixed slot 4 is seted up in fixed cover 8, because fixed cover 8 is independent of stator core 1, consequently can process out fixed slot 4 alone on fixed cover 8, and it is more convenient to process, and the processing cost is lower. Preferably, the shape of the fixing sleeve 8 matches the shape of the positioning slot 7, enabling a good positioning fit between the fixing sleeve 8 and the positioning slot 7. The fixing sleeve 8 is for example cylindrical. The pouch 8 can also have other shapes, such as a prism, etc. The fixed sleeve 8 and the positioning groove 7 can be in interference fit or adhesive fit, and can be installed and fixed through interference fit and adhesive fit.
Preferably, the axial depth of the positioning slot 7 is greater than the axial height of the fixed sleeve 8. Because the depth of the corresponding positioning groove 7 on the total height wall stator core 1 of the fixed sleeve 8 is small, the pouring of the pouring sealant 6 is more convenient, the gap between the pin 5 and the fixed sleeve 8 can be effectively filled by the pouring sealant through the gap between the stator core 1 and the framework 2, the pouring effect is improved, and the positioning and mounting effect of the framework 2 in the fixed sleeve 8 is improved.
The winding has coil 9 on the skeleton 2, and skeleton 2 and coil 9 form the coil winding, and the clearance intussuseption of coil winding and mounting groove 3 is filled with casting glue 6, and the casting glue 6 of filling between coil winding and the mounting groove 3 and the casting glue 6 of filling between pin 5 and the fixed slot 4 are integrative embedment shaping. When the pouring sealant 6 of the two parts is integrated, the matching effect between the framework 2 and the stator core 1 is further improved and the connection effect between the framework 2 and the stator core 1 is improved by the fixing of the pouring sealant between the main body of the framework 2 and the stator core 1 and the fixing sleeve 8 of the framework 2 and the stator core 1.
In this embodiment, pin 5 is a plurality of to along the axial evenly distributed of skeleton 2, fixed slot 4 sets up with 5 one-to-one of pin, can improve skeleton 2 and stator core 1 in the atress equilibrium of circumference direction, improves whole connection effect and joint strength between the two.
The framework 2 is provided with an outgoing line boss 10, an outgoing line 13 penetrates out of the outgoing line boss 10, and a gasket 11 is sleeved outside the outgoing line boss 10. The gasket 11 is provided with a mounting groove, the shape of the mounting groove is matched with that of the outgoing line boss 10, and the gasket 11 is covered outside the outgoing line boss 10 through the mounting groove. In the embodiment, the outgoing line boss 10 and the gasket 11 are both kidney-shaped, and the mounting groove is also a kidney-shaped groove. A lead hole is provided at the bottom of the gasket 11, and the lead wire 13 is passed through the lead hole.
In the present embodiment, the number of the lead lines 13 is two, the end face of the gasket 11 away from the lead line boss 10 is provided with a wave-shaped groove 12, and the wave-shaped groove 12 is located between the two lead lines 13. The wave-shaped groove 12 has a W-shaped or V-shaped cross section, and can function to increase the creepage distance between the two lead wires 13.
The above-described lead-out wires 13 are connected to the circuit board 14.
The stator core has a central bore into which graphite 15 is fitted.
In the above-mentioned embodiment of this application, skeleton 2 is through being in the same place with fixed cover 8, 1 embedment assembly of stator core, realizes sealed between skeleton 2 and the stator core 1, realizes skeleton 2 and the complete fixed of stator core 1, simplifies the process technology, solves the quality hidden danger of smooth tooth, screw looseness, skeleton fracture that brings because of skeleton lock screw technology, solves the sealed quality hidden danger and the silica gel solidification process that do not endure fluorine of silica gel and waits. The designed waist-shaped gasket is provided with a wave groove, so that the creepage distance between the two outgoing lines 13 can be increased, and the reliability of the product is improved.
The assembly process of the framework 2 is as follows:
winding coil → sleeving graphite on stator core, fixing sleeve → installing waist-shaped washer in the boss of frame lead-out wire → installing coil and frame in the installation groove → laying the axial bearing horizontally, installing insulating paint or pouring sealant in the coil and drying and curing → removing paint skin of lead-out wire, installing circuit board and welding.
According to an embodiment of the application, the magnetically levitated axial bearing comprises a stator frame, which is the stator frame described above.
According to an embodiment of the application, the electrical machine comprises a magnetically levitated axial bearing, which is the above-mentioned magnetically levitated axial bearing.
According to an embodiment of the application, the compressor comprises a magnetically levitated axial bearing, which is the above mentioned magnetically levitated axial bearing.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.
Claims (12)
1. The stator frame is characterized by comprising a stator core (1) and a framework (2), wherein an annular mounting groove (3) is formed in the stator core (1) along the circumferential direction, the framework (2) is arranged in the mounting groove (3), a fixing groove (4) is formed in the bottom of the mounting groove (3), the radial width of at least part of the cross section is larger than the radial width of an opening of the fixing groove (4) from the opening to the bottom surface of the fixing groove (4), a pin (5) is arranged on the framework (2) corresponding to the end surface of the fixing groove (4), the pin (5) extends into the fixing groove (4), the radial width of at least part of the structure of the pin (5) is smaller than the radial width of the tail end of the pin (5), and a pouring sealant (6) is filled in a gap between the pin (5) and the fixing groove (4), the tail end of the pin (5) is one end of the pin (5) close to the bottom of the fixing groove (4).
2. The stator frame according to claim 1, characterized in that the radial width of the ends of the pins (5) is smaller than or equal to the radial width of the openings of the fixation slots (4).
3. The stator frame according to claim 1, characterized in that the bottom of the mounting groove (3) is provided with a positioning groove (7), a fixing sleeve (8) is fixedly arranged in the positioning groove (7), and the fixing groove (4) is provided on the fixing sleeve (8).
4. Stator frame according to claim 3, characterized in that the axial depth of the positioning slot (7) is greater than the axial height of the fixing sleeve (8).
5. The stator frame according to claim 1, characterized in that the fixation groove (4) is an inverted T-shaped groove or an inverted triangular groove and the pin (5) is an inverted T-shaped pin (5) or an inverted triangular pin (5).
6. The stator frame according to claim 1, wherein a coil (9) is wound on the framework (2), the framework (2) and the coil (9) form a coil winding, a gap between the coil winding and the mounting groove (3) is filled with a pouring sealant (6), and the pouring sealant (6) filled between the coil winding and the mounting groove (3) and the pouring sealant (6) filled between the pin (5) and the fixing groove (4) are integrally formed by pouring.
7. The stator frame according to claim 1, wherein the pins (5) are multiple and uniformly distributed along the axial direction of the framework (2), and the fixing grooves (4) are arranged in one-to-one correspondence with the pins (5).
8. The stator frame according to any one of claims 1 to 7, characterized in that the bobbin (2) is provided with an outgoing line boss (10), an outgoing line (13) penetrates out of the outgoing line boss (10), and the outgoing line boss (10) is externally sleeved with a gasket (11).
9. The stator frame according to claim 8, characterized in that the number of the lead-out wires is two, and a wave-shaped groove (12) is provided on an end face of the gasket (11) remote from the lead-out wire boss (10), the wave-shaped groove (12) being located between the two lead-out wires (13).
10. A magnetically levitated axial bearing comprising a stator frame, characterized in that the stator frame is a stator frame according to any one of claims 1 to 9.
11. An electric machine comprising a magnetically levitated axial bearing, characterized in that said magnetically levitated axial bearing is the magnetically levitated axial bearing of claim 10.
12. A compressor comprising a magnetically levitated axial bearing, characterized in that said magnetically levitated axial bearing is the magnetically levitated axial bearing of claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920553996.7U CN209838958U (en) | 2019-04-22 | 2019-04-22 | Stator frame, magnetic suspension axial bearing, motor and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920553996.7U CN209838958U (en) | 2019-04-22 | 2019-04-22 | Stator frame, magnetic suspension axial bearing, motor and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209838958U true CN209838958U (en) | 2019-12-24 |
Family
ID=68913014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920553996.7U Withdrawn - After Issue CN209838958U (en) | 2019-04-22 | 2019-04-22 | Stator frame, magnetic suspension axial bearing, motor and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209838958U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973525A (en) * | 2019-04-22 | 2019-07-05 | 珠海格力电器股份有限公司 | Rotor frame, magnetic-suspension axial bearing, motor and compressor |
| CN112160986A (en) * | 2020-09-29 | 2021-01-01 | 珠海格力电器股份有限公司 | Magnetic suspension bearing stator, magnetic suspension bearing and compressor |
| CN113922555A (en) * | 2021-10-11 | 2022-01-11 | 珠海格力电器股份有限公司 | Motor end cover assembly, stator assembly and motor |
-
2019
- 2019-04-22 CN CN201920553996.7U patent/CN209838958U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973525A (en) * | 2019-04-22 | 2019-07-05 | 珠海格力电器股份有限公司 | Rotor frame, magnetic-suspension axial bearing, motor and compressor |
| CN109973525B (en) * | 2019-04-22 | 2024-04-19 | 珠海格力电器股份有限公司 | Stator frame, magnetic suspension axial bearing, motor and compressor |
| CN112160986A (en) * | 2020-09-29 | 2021-01-01 | 珠海格力电器股份有限公司 | Magnetic suspension bearing stator, magnetic suspension bearing and compressor |
| CN112160986B (en) * | 2020-09-29 | 2021-11-05 | 珠海格力电器股份有限公司 | Magnetic suspension bearing stator, magnetic suspension bearing and compressor |
| WO2022068198A1 (en) * | 2020-09-29 | 2022-04-07 | 珠海格力电器股份有限公司 | Magnetic bearing stator, magnetic bearing, and compressor |
| CN113922555A (en) * | 2021-10-11 | 2022-01-11 | 珠海格力电器股份有限公司 | Motor end cover assembly, stator assembly and motor |
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Granted publication date: 20191224 Effective date of abandoning: 20240419 |
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