CN108649733B - Motor with a motor housing - Google Patents
Motor with a motor housing Download PDFInfo
- Publication number
- CN108649733B CN108649733B CN201810870513.6A CN201810870513A CN108649733B CN 108649733 B CN108649733 B CN 108649733B CN 201810870513 A CN201810870513 A CN 201810870513A CN 108649733 B CN108649733 B CN 108649733B
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- China
- Prior art keywords
- gap
- shell
- rotor
- section
- bottom plate
- Prior art date
- 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.)
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Links
- 238000005452 bending Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2205/00—Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports
- H02K2205/09—Machines characterised by drain passages or by venting, breathing or pressure compensating means
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention relates to an electric machine comprising: the rotor assembly comprises a shell and a rotor, wherein an accommodating cavity is formed in the shell, an opening which is communicated with the accommodating cavity and the outside is formed in the shell, and the rotor is fixedly connected to the shell and accommodated in the accommodating cavity; the stator assembly comprises a supporting shaft and a stator, wherein the supporting shaft is provided with a containing section and an extending section which are mutually connected along the axial direction, one end of the containing section is contained in the containing cavity through an opening, the stator is sleeved outside the containing section and is positioned in the rotor at intervals, the extending section is connected with the other end of the containing section, and a rotating gap for the rotor assembly to freely rotate is formed between the extending section and the shell; the pressurizing piece protrudes out and is fixedly connected to the surface of the shell; the supercharging piece is located in the rotating gap and synchronously rotates along with the rotor assembly, an air inlet communicated with the rotating gap and the outside is formed in the extending section, and an air outlet communicated with the rotating gap is formed between the extending section and the shell. Water is prevented from entering the receiving chamber of the rotor assembly.
Description
Technical Field
The invention relates to the technical field of driving devices, in particular to a motor.
Background
The motor comprises an outer rotor motor and an inner rotor motor, and the outer rotor motor is a motor with the rotor arranged outside the stator, and the inner rotor motor is a motor with the rotor arranged inside the stator as the name implies.
In the traditional external rotor motor, because a gap exists between the stator and the rotor, external water easily enters an inner cavity of the rotor in the actual use process, so that water accumulation in the inner cavity of the rotor is caused, the performance of the motor is affected, and the motor is seriously and directly damaged.
Disclosure of Invention
Based on this, it is necessary to provide a motor capable of effectively preventing external water from entering the rotor cavity, aiming at the problem that external water easily enters the rotor cavity in the using process of the external rotor motor.
An electric machine, comprising:
the rotor assembly comprises a shell and a rotor, wherein an accommodating cavity is formed in the shell, an opening for communicating the accommodating cavity with the outside is formed in the shell, and the rotor is fixedly connected to the shell and accommodated in the accommodating cavity;
the stator assembly comprises a supporting shaft and a stator, wherein the supporting shaft is provided with a containing section and an extending section which are connected with each other along the axial direction, one end of the containing section is contained in the containing cavity through the opening, the stator is sleeved outside the containing section and is positioned in the rotor at intervals, the extending section is connected with the other end of the containing section, and a rotating gap for the rotor assembly to rotate freely is formed between the extending section and the shell; and
a pressurizing member protruded and fixedly connected to the surface of the housing;
the supercharging piece is located in the rotating gap and rotates synchronously with the rotor assembly, an air inlet communicated with the rotating gap and the outside is formed in the extending section, and an air outlet communicated with the rotating gap is formed between the extending section and the shell.
Through the arrangement, external air can enter the rotating gap from the air inlet, when the rotor assembly rotates relative to the stator assembly, the pressurizing piece rotates along with the rotor assembly, so that air flow in the gap of the rotor assembly is agitated, air pressure difference is generated, namely, the pressure in the inner side of the pressurizing piece is larger than the pressure in the outer side of the pressurizing piece, the pressure in the outer side of the pressurizing piece is larger than atmospheric pressure, and air flows to the atmosphere after flowing from the rotating gap to the air outlet, so that external water can be prevented from entering the rotating gap, and water is prevented from entering the accommodating cavity of the rotor assembly.
In one embodiment, the casing includes a bottom plate provided with the opening and a cylinder body enclosing with the bottom plate to form the accommodating cavity, the bottom plate and the extending section have the rotating gap therebetween, and the pressurizing element is a boss arranged on the surface of the bottom plate facing the extending section, or the pressurizing element is a blade arranged on the surface of the bottom plate facing the extending section.
In one embodiment, the plurality of pressure increasing elements are connected to the surface of the shell at uniform intervals along the circumferential direction of the shell;
the number of the air inlets is equal to that of the pressurizing pieces, and the plurality of air inlets are arranged on the extending section at intervals along the circumferential direction of the extending section.
In one of the embodiments of the present invention,
the plurality of air inlets are in one-to-one correspondence with the plurality of pressurizing members, each air inlet is opposite to each pressurizing member along the axial direction of the supporting shaft, or
Each air inlet is arranged closer to the support shaft than each supercharging piece.
In one embodiment, the rotating gap comprises a first gap formed in the axial direction of the support shaft and a second gap formed in the radial direction of the support shaft, and the air outlet is formed at one end of the second gap away from the first gap.
In one embodiment, the extension section comprises a body and a bending part, wherein the bending part is connected with the body and extends towards the direction approaching to the shell;
the shell comprises a bottom plate provided with the opening and a cylinder body which is enclosed with the bottom plate to form the accommodating cavity, and a rotating gap is formed between the bottom plate and the extending section.
In one embodiment, in a plane where the axis of the support shaft is located, the front projection of the bending part covers the front projection of the body, and a certain distance is formed between the front projection of the bending part and the front projection of the bottom plate.
In one embodiment, in a plane where the axis of the support shaft is located, the front projection of the bending portion covers the front projection of the body, and the front projection of the bending portion covers the front projection of the bottom plate.
In one embodiment, the bottom plate comprises a main body and a waterproof table which are connected with each other, the main body and the cylinder body enclose to form the accommodating cavity, the waterproof table extends away from the main body along the radial direction of the supporting shaft, and a step part is formed between the waterproof table and the cylinder body.
In one embodiment, the pressurizing member covers at least a portion of the waterproof stage in a radial direction of the support shaft.
Drawings
Fig. 1 is a block diagram of a motor according to an embodiment of the present invention;
FIG. 2 is a block diagram of an end cap of the motor provided in FIG. 1;
fig. 3 is a structural view of a housing of the motor provided in fig. 1.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-3, an embodiment of the present invention provides an electric machine 100, which includes a rotor assembly 10 and a stator assembly 20, wherein the rotor assembly 10 is disposed outside the stator assembly 20, and the rotor assembly 10 rotates outside the stator assembly 20 relative to the stator assembly 20 to form an external rotor electric machine.
The rotor assembly 10 includes a housing 11 and a rotor 12, the housing 11 has a receiving cavity 111, the rotor 12 is fixedly connected in the receiving cavity 111 of the housing 11, a portion of the stator assembly 20 is disposed in the receiving cavity 111 of the housing 11 and a portion of the stator assembly is disposed in the rotor 12, and the housing 11 rotates together with the rotor 12 relative to the stator assembly 20.
In one embodiment, the housing 11 includes a bottom plate 112 and a cylinder 113, the bottom plate 112 and the cylinder 113 enclose the accommodating cavity 111, and an opening communicating the accommodating cavity 111 with the outside is formed in the bottom plate 112.
The stator assembly 20 includes a support shaft 21 and a stator 22, the support shaft 21 has a receiving section 211 and an extending section 212 connected to each other in an axial direction, one end of the receiving section 211 is received in the receiving cavity 111 through an opening on the bottom plate 112, the stator 22 is sleeved outside the receiving section 211 and is located in the rotor 12 at intervals, and the extending section 212 is located outside the receiving cavity 111 and is connected to the other end of the receiving section 211.
The motor 100 further includes a first bearing 30 and a second bearing 40, a first supporting portion 114 and a second supporting portion 115 are disposed in the cylinder 113 of the housing 11, the first supporting portion 114 is rotatably disposed outside the supporting shaft 21 through the first bearing 30, and the second supporting portion 115 is rotatably disposed outside the supporting shaft 21 through the second bearing 40, so that the housing 11 rotates relative to the stator assembly 20 through the first bearing 30 and the second bearing 40, and drives the rotor 12 to rotate together during rotation of the housing 11.
Specifically, the first support portion 114 is a sleeve disposed in the housing 11, and when the first support portion 114 is mounted, the first bearing 30 is sleeved outside the support shaft 21, and the first support portion 114 is sleeved outside the first bearing 30 and fixed. The second supporting portion 115 is also a sleeve provided in the housing 11, and when the second supporting portion 115 is mounted, the second bearing 40 is sleeved outside the supporting shaft 21, and the second bearing 40 is sleeved outside and fixed. More specifically, the first bearing 30 and the second bearing 40 are rolling bearings, respectively.
In one embodiment, the extension 212 and the base plate 112 have a rotational gap a therebetween that is positioned to facilitate free rotation of the rotor assembly 10 relative to the stator assembly 20.
The motor 100 further includes a pressure increasing member 50, wherein the pressure increasing member 50 protrudes from and is fixedly connected to the surface of the base plate 112, and the pressure increasing member 50 is disposed at intervals from the protruding section 212 and rotates synchronously with the rotor assembly 10, such that the pressure increasing member 50 is disposed so as not to interfere with the rotation of the rotor assembly 10 relative to the stator assembly 20. And the extension section 212 is provided with an air inlet 2121 communicated with the rotation gap a and the outside, the air inlet 2121 is arranged so that the outside air enters the rotation gap a from the air inlet 2121, and an air outlet b communicated with the rotation gap a is defined between the extension section 212 and the bottom plate 112.
Through the above arrangement, the external air can enter the rotation gap a from the air inlet 2121, and when the rotor assembly 10 rotates relative to the stator assembly 20, the pressurizing member 50 rotates along with the rotor assembly 10, so that the air flow in the gap of the rotor assembly 10 is agitated, and an air pressure difference is generated, that is, the pressure in the inner side of the pressurizing member 50 is greater than the pressure in the outer side of the pressurizing member 50 (the inner side of the pressurizing member 50 is the side close to the supporting shaft 21 of the motor 100, and the outer side of the pressurizing member 50 is the side far away from the supporting shaft 21 of the motor 100), and the pressure in the outer side of the pressurizing member 50 is greater than the atmospheric pressure, so that the air flow flows from the rotation gap a to the air outlet b and then flows to the atmosphere, thereby blocking the external water from entering the rotation gap a, and preventing the water from entering the accommodating cavity 111 of the rotor assembly 10.
In one embodiment, the plenum 50 is a boss disposed facing the surface of the extension 212. It will be appreciated that in other embodiments, the plenum 50 is not limited to a boss, as the plenum 50 may also be a vane.
In one embodiment, the plenum 50 is one, and one plenum 50 covers a portion of the surface of the base plate 112, which ensures that a differential air pressure is created across the plenum 50 as the rotor assembly 10 rotates.
In another embodiment, the number of the pressurizing members 50 is plural, and the pressurizing members 50 are connected to the surface of the bottom plate 112 at intervals in the circumferential direction, so that it is ensured that an air pressure difference is formed at both sides of the pressurizing members 50 when the rotor assembly 10 rotates.
In one embodiment, the air inlet 2121 is one, and one air inlet 2121 is formed on the extension 212 along the axial direction of the supporting shaft 21, and one air inlet 2121 is disposed closer to the supporting shaft 21 than the pressurizing member 50 along the radial direction of the supporting shaft 21, so that the external air enters the portion of the rotating gap a between the pressurizing member 50 and the supporting shaft 21. It will be appreciated that in other embodiments, one air inlet 2121 is disposed radially opposite the plenum 50 or one air inlet 2121 is disposed farther from the support shaft 21 than the plenum 50 along the radial direction of the support shaft 21.
In another embodiment, the number of air inlets 2121 is plural, and the plurality of air inlets 2121 are disposed on the extension 212 at uniform intervals from each other along the circumference of the extension 212. Specifically, the number of the air inlets 2121 is equal to the number of the pressurizing members 50, and each air inlet 2121 corresponds to each pressurizing member 50, and each air inlet 2121 is provided closer to the support shaft 21 than each pressurizing member 50 corresponding thereto. It will be appreciated that in other embodiments, each air inlet 2121 is located farther from the support shaft 21 than each corresponding plenum 50, or each air inlet 2121 is located directly opposite each corresponding plenum 50.
More specifically, the number of the pressurizing members 50 is eight, and the number of the air inlets 2121 is also eight equal to the number of the pressurizing members 50. It will be appreciated that in other embodiments, the number of boost members 50 is not limited to eight, and the number of air inlets 2121 is not limited to eight.
In another embodiment, the number of the air inlets 2121 is plural, and in this case, the number of the air inlets 2121 may be different from the number of the supercharging members 50, that is, the number of the air inlets 2121 does not have a one-to-one correspondence with the number of the supercharging members 50. If the number of the air inlets 2121 is eight, the number of the pressurizing members 50 may be six, seven, or nine, which are not limited herein.
In one embodiment, the rotating gap a includes a first gap a1 and a second gap a2, the first gap a1 is formed in an axial direction of the support shaft 21, the second gap a2 is formed in a radial direction of the support shaft 21, and the air outlet b is formed at an end of the second gap a2 away from the first gap a 1.
In this way, when the external water enters the accommodating cavity 111 of the rotor assembly 10, the external water first enters the first gap a1 after entering the second gap a2 from the air outlet b, and then enters the accommodating cavity 111 of the rotor assembly 10, and compared with the linear rotating gap a, the water-proof effect is better due to the different forming directions of the first gap a1 and the second gap a2 (the rotating gap a is in a bent shape).
In one embodiment, the extension 212 includes a body 2122 and a fold 2123, the fold 2123 being coupled to the body 2122 and extending in a direction toward the housing 11.
Specifically, in the plane where the axis of the support shaft 21 is located, the front projection of the bending portion 2123 covers the front projection of the body 2122, and a space is provided between the front projection of the bending portion and the front projection of the bottom plate 112, so that a certain waterproof effect can be achieved.
In another embodiment, in the plane of the axis of the supporting shaft 21, the front projection of the bending portion 2123 covers the front projection of the main body 2122 and covers the front projection of the bottom plate 112, so that the waterproof effect is better.
In one embodiment, the bottom plate 112 includes a main body 1121 and a waterproof table 1122 that are connected to each other, the main body 1121 and the cylinder 113 enclose the accommodating cavity 111, the waterproof table 1122 extends in a direction away from the main body 1121 along a radial direction of the support shaft 21, and a waterproof portion 60 is formed between the waterproof table 1122 and the cylinder 113. Thus, the external water needs to bypass the waterproof table 1122 and enter the second gap a2 and the first gap a1, and then enter the accommodating cavity 111 of the rotating assembly 10, so that the waterproof effect is further improved.
In one embodiment, the pressurizing member 50 covers at least a portion of the waterproof table 1122 along the radial direction of the supporting shaft 21, so that the distance between the pressurizing member 50 and the bending portion 2123 along the radial direction of the supporting shaft 21 is smaller, and external water can be further prevented from entering the accommodating cavity 111 from the second gap a2 after entering the first gap a1 under the action of the pressure difference between the inner side and the outer side of the pressurizing member 50. It will be appreciated that in other embodiments, the plenum 50 may also cover the entirety of the waterproof station 1122 in the radial direction of the support shaft 21.
According to the motor 100 provided by the embodiment of the invention, external air can enter the rotating gap a from the air inlet 2121, when the rotor assembly 10 rotates relative to the stator assembly 20, the pressurizing member 50 rotates along with the rotor assembly 10, so that air flow in the gap of the rotor assembly 10 is agitated, air pressure difference is generated, namely, the pressure in the inner side of the pressurizing member 50 is higher than the pressure in the outer side of the pressurizing member 50, the pressure in the outer side of the pressurizing member 50 is higher than atmospheric pressure, so that the air flow flows from the rotating gap a to the air outlet b and then flows to the atmosphere, and external water can be prevented from entering the rotating gap a, water is prevented from entering the accommodating cavity 111 of the rotor assembly 10, and the waterproof effect is good.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. An electric machine (100), characterized by comprising:
the rotor assembly (10) comprises a shell (11) and a rotor (12), wherein a containing cavity (111) is formed in the shell, an opening for communicating the containing cavity (111) with the outside is formed in the shell (11), and the rotor (12) is fixedly connected to the shell (11) and is contained in the containing cavity (111); the shell (11) comprises a bottom plate (112) provided with the opening and a cylinder (113) which is enclosed with the bottom plate (112) to form the accommodating cavity (111);
the stator assembly (20) comprises a supporting shaft (21) and a stator (22), wherein the supporting shaft (21) is provided with a containing section (211) and an extending section (212) which are connected with each other along the axial direction, one end of the containing section (211) is contained in the containing cavity (111) through the opening, the stator (22) is sleeved outside the containing section (211) and is positioned in the rotor (12) at intervals, the extending section (212) is connected with the other end of the containing section (211), and a rotating gap (a) for the rotor assembly (10) to freely rotate is formed between the bottom plate (112) and the extending section (212); and
a pressurizing member (50) protruded and fixedly connected to the surface of the housing (11);
the pressurizing piece (50) is positioned in the rotating gap (a) and synchronously rotates along with the rotor assembly (10), the extending section (212) is provided with an air inlet (2121) communicated with the rotating gap (a) and the outside, and an air outlet (b) communicated with the rotating gap (a) is formed between the extending section (212) and the shell (11);
the motor (100) further comprises a first bearing (30) and a second bearing (40), a first supporting portion (114) and a second supporting portion (115) are arranged in a cylinder (113) of the shell (11), the first supporting portion (114) is rotatably arranged outside the supporting shaft (21) through the first bearing (30), and the second supporting portion (115) is rotatably arranged outside the supporting shaft (21) through the second bearing (40).
2. The motor (100) according to claim 1, wherein the housing (11) includes a bottom plate (112) provided with the opening and a cylinder (113) surrounding the bottom plate (112) to form the accommodating chamber (111), the pressurizing member (50) is a boss provided on a surface of the bottom plate (112) facing the protruding section (212), or the pressurizing member (50) is a blade provided on a surface of the bottom plate (112) facing the protruding section (212).
3. The electric machine (100) according to claim 1, wherein the number of the pressurizing members (50) is plural, and the plurality of pressurizing members (50) are connected to the surface of the casing (11) at regular intervals in the circumferential direction of the casing (11);
the number of the air inlets (2121) is equal to the number of the pressurizing members (50), and the plurality of air inlets (2121) are arranged on the protruding section (212) at intervals along the circumferential direction of the protruding section (212).
4. The electric machine (100) of claim 3, wherein,
the plurality of air inlets (2121) are in one-to-one correspondence with the plurality of pressurizing members (50), each air inlet (2121) faces each pressurizing member (50) along the axial direction of the support shaft (21), or
Each of the air inlets (2121) is disposed closer to the support shaft (21) than each of the pressurizing members (50).
5. The motor (100) according to claim 1, wherein the rotation gap (a) includes a first gap (a 1) formed in an axial direction of the support shaft (21) and a second gap (a 2) formed in a radial direction of the support shaft (21), and the air outlet (b) is formed at an end of the second gap (a 2) remote from the first gap (a 1).
6. The electric machine (100) of claim 5, wherein the extension (212) includes a body (2122) and a fold (2123), the fold (2123) being coupled to the body (2122) and extending in a direction toward the housing (11).
7. The motor (100) of claim 6, wherein the forward projection of the fold (2123) covers the forward projection of the body (2122) in a plane of the axis of the support shaft (21) and is spaced from the forward projection of the base plate (112).
8. The motor (100) of claim 6, wherein, in a plane in which the axis of the support shaft (21) is located, the orthographic projection of the bending portion (2123) covers the orthographic projection of the body (2122), and the orthographic projection of the bending portion (2123) covers the orthographic projection of the bottom plate (112).
9. The motor (100) of claim 6, wherein the base plate (112) includes a main body (1121) and a waterproof table (1122) that are connected to each other, the main body (1121) and the cylinder (113) enclose to form the accommodating chamber (111), the waterproof table (1122) extends away from the main body (1121) in a radial direction of the support shaft (21), and a step is formed between the waterproof table (1122) and the cylinder (113).
10. The electric machine (100) of claim 9, wherein the plenum (50) covers at least a portion of the waterproof station (1122) along a radial direction of the support shaft (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810870513.6A CN108649733B (en) | 2018-08-02 | 2018-08-02 | Motor with a motor housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810870513.6A CN108649733B (en) | 2018-08-02 | 2018-08-02 | Motor with a motor housing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108649733A CN108649733A (en) | 2018-10-12 |
| CN108649733B true CN108649733B (en) | 2024-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810870513.6A Active CN108649733B (en) | 2018-08-02 | 2018-08-02 | Motor with a motor housing |
Country Status (1)
| Country | Link |
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| CN (1) | CN108649733B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11973396B2 (en) * | 2021-03-31 | 2024-04-30 | Honda Motor Co., Ltd. | Electric transmission for an electric lawnmower |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913393A (en) * | 2011-07-31 | 2013-02-06 | 宋开泉 | Compressed air turbine wind-driven generator |
| CN205901554U (en) * | 2016-07-26 | 2017-01-18 | 中山大洋电机股份有限公司 | External rotor motor |
| CN208445396U (en) * | 2018-08-02 | 2019-01-29 | 珠海格力电器股份有限公司 | Motor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5900542B2 (en) * | 2014-06-30 | 2016-04-06 | ダイキン工業株式会社 | Electric motor and blower |
| US9912207B2 (en) * | 2015-03-23 | 2018-03-06 | Regal Beloit America, Inc. | Electrical machine housing and methods of assembling the same |
-
2018
- 2018-08-02 CN CN201810870513.6A patent/CN108649733B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913393A (en) * | 2011-07-31 | 2013-02-06 | 宋开泉 | Compressed air turbine wind-driven generator |
| CN205901554U (en) * | 2016-07-26 | 2017-01-18 | 中山大洋电机股份有限公司 | External rotor motor |
| CN208445396U (en) * | 2018-08-02 | 2019-01-29 | 珠海格力电器股份有限公司 | Motor |
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| Publication number | Publication date |
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| CN108649733A (en) | 2018-10-12 |
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