CN114337048A - Air compressor module integrated motor for air compressor - Google Patents
Air compressor module integrated motor for air compressor Download PDFInfo
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- CN114337048A CN114337048A CN202111672588.1A CN202111672588A CN114337048A CN 114337048 A CN114337048 A CN 114337048A CN 202111672588 A CN202111672588 A CN 202111672588A CN 114337048 A CN114337048 A CN 114337048A
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- air compressor
- motor
- end cover
- fan
- bearing
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- 230000006835 compression Effects 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims abstract description 4
- 230000017525 heat dissipation Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 2
- 230000010354 integration Effects 0.000 abstract description 5
- 239000006185 dispersion Substances 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
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Abstract
The invention provides an air compression module integrated motor for an air compressor, which comprises an integrated cover body, wherein the integrated cover body comprises an end cover and a compressor mounting seat which are integrally formed, the end cover is arranged at the front end of a motor shell, the compressor mounting seat is arranged on one side, away from the motor shell, of the end cover, an output shaft penetrates through the integrated cover body, a first shaft hole is formed in the corresponding end cover, and a second shaft hole is formed in the compressor mounting seat; a spacing cavity is arranged between the end cover and the compressor mounting seat, and the output shaft is fixedly connected with a first fan on the spacing cavity section. The integrated cover body is integrated, the end cover of the motor and the compressor mounting seat of the air compressor are integrated, the structure is simple, and the integration degree is high. And set up the compartment between end cover and the compressor mount pad to set up first fan on the regional output shaft in compartment, promoted heat dispersion, have the good advantage of suitability.
Description
Technical Field
The invention relates to the field of advanced manufacturing and automation, in particular to an air compressor module integrated motor for an air compressor.
Background
The chinese patent application No. 201610788829.1 discloses an integrated motor with an air compressor pump, as shown in fig. 1, the air compressor pump and the motor are connected in a tightly-combined seamless manner, a coupler is omitted, the production cost is reduced, and the installation space is reduced. On one hand, however, the motor end cover 91 and the air compressor mounting shell 92 are connected in a split manner, so that the integrated structure is complex and the manufacturing cost is high; on the other hand, no cavity exists between the motor end cover 91 and the air compressor mounting shell 92, so that the heat dissipation effect of the motor and the air compressor corresponding to the motor end cover 91 and the air compressor mounting shell 92 region is poor, especially the region provided with the bearing on the rotating shaft has high heat dissipation requirements, and the method for integrating the air compressor and the motor in the close-contact manner cannot adapt to the working environment with high heat dissipation requirements.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the air compressor module integrated motor for the air compressor, which has the advantages of simple structure, high integration degree and improved heat dissipation performance.
In order to achieve the purpose, the invention is realized by the following technical scheme: an air compressor module integrated type motor for an air compressor, comprising: the motor comprises a motor shell, wherein a motor rotor is arranged in the motor shell, and an output shaft is fixed in the middle of the motor rotor. The integrated cover comprises an integrated cover body, the integrated cover body comprises an end cover and a compressor mounting seat which are integrally formed, the end cover is arranged at the front end of a motor shell, the compressor mounting seat is arranged on one side, away from the motor shell, of the end cover, the output shaft penetrates through the integrated cover body, a first shaft hole is formed in the corresponding end cover, and a second shaft hole is formed in the compressor mounting seat; a spacing cavity is arranged between the end cover and the compressor mounting seat, and the output shaft is fixedly connected with a first fan on the spacing cavity section.
In the device, the air compressor module integrated motor for the air compressor adopts the integrated cover body to integrate the end cover of the motor and the compressor mounting seat of the air compressor together, and has the advantages of simple structure and high integration degree. And set up the compartment between end cover and the compressor mount pad to set up first fan on the regional output shaft in compartment, can promote motor and air compressor machine and dispel the heat corresponding to end cover and compressor mount pad region, consequently, promoted heat dispersion, had the advantage that the suitability is good.
Further, an integrated type motor of air compressor module for air compressor, integrated lid still includes a set of spliced pole, spliced pole circumference sets up between the outer fringe of compressor mount pad and end cover, end cover and compressor mount pad are connected to the spliced pole. As the preferred scheme of the invention, the compressor mounting seat and the end cover are separated by a group of connecting columns to form a side wall open type separation cavity, so that air circulation is facilitated, and the heat dissipation effect is improved.
Further, the air compressor module integrated motor for the air compressor is characterized in that one side, close to the first fan, of the compressor mounting seat is provided with a first annular diversion trench, and the first annular diversion trench is concentric with the rotating axis of the output shaft. As the preferred scheme of the invention, the first annular diversion trench is arranged, so that the airflow generated by the first fan can be effectively converged in the first annular diversion trench outside the first axial hole, the temperature of the area easy to heat is intensively reduced, and the cooling efficiency is improved.
Further, an air compressor module integrated type motor for an air compressor, the outer edge of the first annular diversion trench is provided with an arc extension part, a virtual round table or a cylindrical area formed by extension covers the first fan in the tangential direction of the end cover close to the arc extension part, and the circle formed by intersection of the virtual round table and the plane of the end cover close to the compressor mounting seat side is larger than the projection of the circle formed by the outer edge of the first fan on the plane of the end cover close to the compressor mounting seat side. As a preferable scheme of the present invention, the outer edge of the first annular guide groove is provided with an arc extension portion, so that the airflow blown to the compressor mounting seat by the rotation of the first fan generates a backflow toward the compressor mounting seat through the first annular guide groove and the arc extension portion, thereby improving the cooling efficiency.
Furthermore, the air compressor module integrated motor for the air compressor is characterized in that one side, close to the first fan, of the end cover is provided with a group of second annular guide grooves, and the group of second annular guide grooves is concentric with the rotating axis of the output shaft.
Further, according to the air compression module integrated motor for the air compressor, a bearing seat is arranged on one side, close to a motor rotor, of the end cover, a first bearing is arranged in the bearing seat, an outer ring of the first bearing is embedded in a counter bore corresponding to the bearing seat, the output shaft penetrates through an inner ring of the first bearing, and a step surface is arranged on one side, close to the motor rotor, of the inner ring of the first bearing, corresponding to the output shaft; and the diameter of the first shaft hole is larger than the outer diameter of the first bearing inner ring on the side close to the first fan. As a preferable aspect of the present invention, the first bearing is radially restricted in the counterbore of the bearing seat, and the inner ring at one end is axially restricted by the step surface, and the outer ring at the other end is restricted by the wall shell of the end cover corresponding to the first shaft hole. And because the aperture of the first shaft hole is larger than the outer diameter of the inner ring of the first bearing close to the first fan, and a corresponding flow guide cavity is formed, the wind generated by the rotation of the first fan can blow into the first bearing from the first shaft hole, and the heat of the first bearing and the inner side of the motor close to the end cover is dissipated. Therefore, the cooling effect at the first bearing can be ensured.
Further, the air compressor module integrated motor for the air compressor is characterized in that a bearing mounting counter bore is formed in one side, away from the end cover, of the compressor mounting seat, a second bearing is arranged in the bearing mounting counter bore, and the diameter of the second bearing bore is larger than the outer diameter of one side, close to the first fan, of the inner ring of the second bearing. As the preferable scheme of the invention, the cooling effect on the second bearing can be ensured in the same way.
Furthermore, the air compressor module integrated motor for the air compressor is characterized in that one end, far away from the integrated cover body, of the output shaft extends out of the motor shell to be provided with a second fan, and a fan cover is arranged on the outer side of the second fan and fixed on the motor shell.
Furthermore, the air compressor module integrated motor for the air compressor is characterized in that a group of heat dissipation rib plates are circumferentially arranged on the outer side of the motor shell, and the inner wall of the fan cover is higher than the top ends of the heat dissipation rib plates.
Furthermore, the air compressor module integrated motor for the air compressor further comprises a junction box, and the junction box is arranged on the outer wall of the motor shell.
The technical scheme shows that the invention has the following beneficial effects:
1. the invention provides an air compressor module integrated motor for an air compressor, which adopts an integrated cover body to integrate an end cover of the motor with a compressor mounting seat of the air compressor, and has the advantages of simple structure and high integration degree. And set up the compartment between end cover and the compressor mount pad to set up first fan on the regional output shaft in compartment, can promote motor and air compressor machine and dispel the heat corresponding to end cover and compressor mount pad region, consequently, promoted heat dispersion, had the advantage that the suitability is good.
2. The invention provides an air compressor module integrated motor for an air compressor, which is characterized in that a compressor mounting seat and an end cover are separated by a group of connecting columns to form a side-wall open type separation cavity, so that air circulation is facilitated, and the heat dissipation effect is improved.
3. The invention provides an air compressor module integrated motor for an air compressor, wherein the outer edge of a first annular flow guide groove is provided with an arc extension part, so that airflow which is blown to a compressor mounting seat by the rotation of a first fan generates backflow towards the compressor mounting seat through the first annular flow guide groove and the arc extension part, and the cooling efficiency can be improved.
4. The invention provides an air compressor module integrated motor for an air compressor, so that a first bearing is limited in a counter bore of a bearing seat in the radial direction, an inner ring at one end is limited by a step surface in the axial direction, and an outer ring at the other end is limited by a wall shell of an end cover corresponding to a first shaft hole. And because the aperture of the first shaft hole is larger than the outer diameter of the inner ring of the first bearing close to the first fan, and a corresponding flow guide cavity is formed, the wind generated by the rotation of the first fan can blow into the first bearing from the first shaft hole, and the heat of the first bearing and the inner side of the motor close to the end cover is dissipated. Therefore, the cooling effect at the first bearing can be ensured.
Drawings
FIG. 1 is a schematic diagram of an integrated motor with an air compressor pump according to the background art;
fig. 2 is a schematic three-dimensional structure view of an air compressor module integrated motor for an air compressor according to the present invention;
fig. 3 is a plan sectional view of an air compressor module integrated type motor for an air compressor according to the present invention;
fig. 4 is a schematic structural view of the integrated cover of the air compressor module integrated motor according to the present invention.
In the figure: 1-a motor housing; 11-heat dissipation rib plates; 2-a motor rotor; 3-integrating a cover body; 30-end cap; 301-a first shaft hole; 302-a second annular flow guide groove; 303-bearing seats; 31-compressor mount; 311-second shaft hole; 312-a first annular flow guide groove; 3121-a circular arc extension; 313-bearing mounting counterbores; 32-compartment cavity; 33-connecting column; 4-an output shaft; 41-step surface; 51-a first fan; 52-a second fan; 61-a first bearing; 62-a second bearing; 7-a fan cover; 8-a junction box; 91-motor end cover; 92-air compressor mounting case.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
An air compression module integrated type motor for an air compressor shown in fig. 2 to 4 includes: the motor comprises a motor shell 1, wherein a motor rotor 2 is arranged in the motor shell 1, and an output shaft 4 is fixed in the middle of the motor rotor 2. The motor cover further comprises an integrated cover body 3, the integrated cover body 3 comprises an end cover 30 and a compressor mounting seat 31 which are integrally formed, the end cover 30 is arranged at the front end of the motor shell 1, the compressor mounting seat 31 is arranged on one side, far away from the motor shell 1, of the end cover 30, the output shaft 4 penetrates through the integrated cover body 3 and corresponds to the first shaft hole 301 formed in the end cover 30 and the second shaft hole 311 formed in the compressor mounting seat 31. And, a spacing cavity 32 is arranged between the end cover 30 and the compressor mounting seat 31. In this embodiment, the integrated cover 3 further includes a set of connecting posts 33, and in this embodiment, the number of the connecting posts is 3. The connecting column 33 is circumferentially arranged between the compressor mounting seat 31 and the outer edge of the end cover 30, and the connecting column 33 connects the end cover 30 and the compressor mounting seat 31. The compressor mounting seat 31 and the end cover 30 are separated by a group of connecting columns 33 to form a side-wall open type spacing cavity 32, so that air circulation is facilitated, and the heat dissipation effect is improved. The output shaft 4 is fixedly connected with a first fan 51 on the partition chamber 32.
In addition, a first annular guiding groove 312 is formed on one side of the compressor mounting seat 31 close to the first fan 51, and the first annular guiding groove 312 is concentric with the rotation axis of the output shaft 4. An arc extending portion 3121 is provided at an outer edge of the first annular guide groove 312, a virtual circular truncated cone or a cylindrical area formed by extending the arc extending portion 3121 in a tangential direction near one end of the end cover 30 covers the first fan 51, and a circle formed by intersecting the virtual circular truncated cone and a plane of the end cover 30 near the compressor mounting seat 31 side is larger than a projection of a circle formed by an outer edge of the first fan 51 on a plane of the end cover 30 near the compressor mounting seat 31 side. A group of second annular guide grooves 302 are formed in one side, close to the first fan 51, of the end cover 30, and the group of second annular guide grooves 302 are concentric with the rotation axis of the output shaft 4.
Further, a bearing seat 303 is arranged on one side, close to the motor rotor 2, of the end cover 30, a first bearing 61 is arranged in the bearing seat 303, an outer ring of the first bearing 61 is embedded in a counter bore corresponding to the bearing seat 303, the output shaft 4 penetrates through an inner ring of the first bearing 61, and the output shaft 4 corresponds to one side, close to the motor rotor 2, of the inner ring of the first bearing 61 and is provided with a step surface 41. The first shaft hole 301 has a diameter larger than the outer diameter of the inner race of the first bearing 61 on the side closer to the first fan 51. Therefore, the first bearing 61 is radially limited in the counterbore of the bearing seat 303, and axially, the inner ring at one end is limited by the step surface 41, and the outer ring at the other end is limited by the wall shell of the end cover 30 corresponding to the first shaft hole 301. In addition, since the diameter of the first shaft hole 301 is larger than the outer diameter of the inner ring of the first bearing 61 on the side close to the first fan 51 to form a corresponding diversion cavity, the wind generated by the rotation of the first fan 51 can be blown into the first bearing 61 from the first shaft hole 301 to dissipate the heat of the first bearing 61 and the motor inner near-end cover 30, so that the cooling effect of the first bearing 61 can be ensured. In addition, a bearing mounting counterbore 313 is arranged on one side of the compressor mounting seat 31 away from the end cover 30, a second bearing 62 is arranged in the bearing mounting counterbore 313, and the diameter of the second shaft hole 311 is larger than the outer diameter of the inner ring of the second bearing 62 on the side close to the first fan 51. Therefore, the cooling effect at the second bearing 62 can be ensured similarly.
Furthermore, one end of the output shaft 4, which is far away from the integrated cover 3, extends out of the motor housing 1 to be provided with a second fan 52, a fan cover 7 is arranged on the outer side of the second fan 52, and the fan cover 7 is fixed on the motor housing 1. A group of heat dissipation rib plates 11 are circumferentially arranged on the outer side of the motor shell 1, and the inner wall of the fan cover 7 is higher than the top ends of the heat dissipation rib plates 11. In addition, the motor comprises a junction box 8, and the junction box 8 is arranged on the outer wall of the motor shell 1.
Based on the structure, the integrated motor of air compressor module for air compressor described in this embodiment adopts the integrated lid 3 of integral type, is in the same place the end cover 30 of motor and the compressor installation seat 31 integration of air compressor machine, simple structure, integrated degree is high. And set up compartment 32 between end cover 30 and the compressor mount pad 31 to set up first fan 51 on the output shaft 4 in compartment 32 region, can promote motor and air compressor machine and correspond to end cover 30 and the regional heat dissipation that dispels of compressor mount pad 31, consequently, promoted heat dispersion, had the advantage that the suitability is good. In addition, the first annular diversion trench 312 is arranged, so that the airflow generated by the first fan 51 can be effectively converged in the first annular diversion trench 312 outside the first shaft hole 301, the temperature of the easy-to-heat area is intensively reduced, and the cooling efficiency is improved. Moreover, the circular arc extension portion 3121 is disposed at the outer edge of the first annular guide groove 312, so that the airflow blown to the compressor mounting seat 31 by the rotation of the first fan 51 generates a backflow toward the compressor mounting seat 31 through the first annular guide groove 312 and the circular arc extension portion 3121, thereby improving the cooling efficiency.
The technical principles of the present invention have been described above in connection with specific embodiments, which are intended to explain the principles of the present invention and should not be construed as limiting the scope of the present invention in any way. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. An air compression module integrated motor for an air compressor comprises a motor shell (1), wherein a motor rotor (2) is arranged in the motor shell (1), and an output shaft (4) is fixed in the middle of the motor rotor (2); the method is characterized in that: the integrated cover comprises an integrated cover body (3), wherein the integrated cover body (3) comprises an end cover (30) and a compressor mounting seat (31) which are integrally formed, the end cover (30) is arranged at the front end of a motor shell (1), the compressor mounting seat (31) is arranged on one side, away from the motor shell (1), of the end cover (30), an output shaft (4) penetrates through the integrated cover body (3), a first shaft hole (301) is formed in the corresponding end cover (30), and a second shaft hole (311) is formed in the compressor mounting seat (31); an interval cavity (32) is arranged between the end cover (30) and the compressor mounting seat (31), and a first fan (51) is fixedly connected to the output shaft (4) on the interval cavity (32).
2. An air compressor module integrated type motor for an air compressor according to claim 1, wherein: the integrated cover body (3) further comprises a group of connecting columns (33), the connecting columns (33) are circumferentially arranged between the outer edges of the compressor mounting seat (31) and the end cover (30), and the connecting columns (33) are connected with the end cover (30) and the compressor mounting seat (31).
3. An air compressor module integrated type motor for an air compressor according to claim 2, wherein: one side of the compressor mounting seat (31) close to the first fan (51) is provided with a first annular guide groove (312), and the first annular guide groove (312) is concentric with the rotating axis of the output shaft (4).
4. An air compressor module integrated type motor for an air compressor according to claim 3, wherein: the outer edge of the first annular diversion trench (312) is provided with an arc extension part (3121), a virtual circular table or a cylindrical area formed by extension covers the first fan (51) in the tangential direction of one end, close to the end cover (30), of the arc extension part (3121), and the circle formed by intersection of the virtual circular table and the plane of one side, close to the compressor mounting seat (31), of the end cover (30) is larger than the projection of the circle formed by the outer edge of the first fan (51) on the plane of one side, close to the compressor mounting seat (31), of the end cover (30).
5. An air compressor module integrated type motor for an air compressor according to claim 4, wherein: one side, close to the first fan (51), of the end cover (30) is provided with a group of second annular guide grooves (302), and the group of second annular guide grooves (302) is concentric with the rotating axis of the output shaft (4).
6. An air compressor module integrated type motor for an air compressor according to claim 5, wherein: a bearing seat (303) is arranged on one side, close to the motor rotor (2), of the end cover (30), a first bearing (61) is arranged in the bearing seat (303), an outer ring of the first bearing (61) is embedded in a corresponding counter bore of the bearing seat (303), the output shaft (4) penetrates through an inner ring of the first bearing (61), and a step surface (41) is arranged on one side, close to the motor rotor (2), of the inner ring of the first bearing (61) corresponding to the output shaft (4); the diameter of the first shaft hole (301) is larger than the outer diameter of the inner ring of the first bearing (61) on the side close to the first fan (51).
7. An air compressor module integrated type motor for an air compressor according to claim 6, wherein: the compressor mounting seat (31) is provided with a bearing mounting counter bore (313) on one side far away from the end cover (30), a second bearing (62) is arranged in the bearing mounting counter bore (313), and the aperture of the second shaft hole (311) is larger than the outer diameter of one side, close to the first fan (51), of the inner ring of the second bearing (62).
8. An air compressor module integrated type motor for an air compressor according to any one of claims 1 to 7, wherein: one end, far away from the integrated cover body (3), of the output shaft (4) extends out of the motor shell (1) to form a second fan (52), a fan cover (7) is arranged on the outer side of the second fan (52), and the fan cover (7) is fixed on the motor shell (1).
9. An air compressor module integrated type motor for an air compressor according to claim 8, wherein: the motor is characterized in that a group of heat dissipation rib plates (11) are circumferentially arranged on the outer side of the motor shell (1), and the inner wall of the fan cover (7) is higher than the top ends of the heat dissipation rib plates (11).
10. An air compressor module integrated type motor for an air compressor according to claim 9, wherein: the motor is characterized by further comprising a junction box (8), wherein the junction box (8) is arranged on the outer wall of the motor shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111672588.1A CN114337048B (en) | 2021-12-31 | 2021-12-31 | Air compression module integrated motor for air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111672588.1A CN114337048B (en) | 2021-12-31 | 2021-12-31 | Air compression module integrated motor for air compressor |
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| Publication Number | Publication Date |
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| CN114337048A true CN114337048A (en) | 2022-04-12 |
| CN114337048B CN114337048B (en) | 2024-02-23 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0784369A1 (en) * | 1996-01-11 | 1997-07-16 | SA-Patent AG | Electric motor driven bypass fan |
| CN2266222Y (en) * | 1996-02-05 | 1997-10-29 | 中国纺织科学研究院 | Motor specially adapted for thermal draw-off roller |
| US20050042089A1 (en) * | 2003-08-19 | 2005-02-24 | Sunonwealth Electric Machine Industry Co., Ltd. | Airflow guiding structure for a heat-dissipating fan |
| CN102130539A (en) * | 2011-04-26 | 2011-07-20 | 常熟市第二特种电机有限公司（原常熟市第二特种电机厂） | High- temperature-resistant dust-proof motor |
| JP2012082689A (en) * | 2010-10-06 | 2012-04-26 | Mitsubishi Heavy Ind Ltd | Centrifugal compressor |
| US20190363603A1 (en) * | 2018-05-25 | 2019-11-28 | Gp Enterprises Co., Ltd. | Air-cooled rainproof motor structure |
| CN113513490A (en) * | 2021-07-02 | 2021-10-19 | 鑫磊压缩机股份有限公司 | Direct-connected high-rotation-speed air compressor |
-
2021
- 2021-12-31 CN CN202111672588.1A patent/CN114337048B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0784369A1 (en) * | 1996-01-11 | 1997-07-16 | SA-Patent AG | Electric motor driven bypass fan |
| CN2266222Y (en) * | 1996-02-05 | 1997-10-29 | 中国纺织科学研究院 | Motor specially adapted for thermal draw-off roller |
| US20050042089A1 (en) * | 2003-08-19 | 2005-02-24 | Sunonwealth Electric Machine Industry Co., Ltd. | Airflow guiding structure for a heat-dissipating fan |
| JP2012082689A (en) * | 2010-10-06 | 2012-04-26 | Mitsubishi Heavy Ind Ltd | Centrifugal compressor |
| CN102130539A (en) * | 2011-04-26 | 2011-07-20 | 常熟市第二特种电机有限公司（原常熟市第二特种电机厂） | High- temperature-resistant dust-proof motor |
| US20190363603A1 (en) * | 2018-05-25 | 2019-11-28 | Gp Enterprises Co., Ltd. | Air-cooled rainproof motor structure |
| CN113513490A (en) * | 2021-07-02 | 2021-10-19 | 鑫磊压缩机股份有限公司 | Direct-connected high-rotation-speed air compressor |
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|---|---|
| CN114337048B (en) | 2024-02-23 |
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