CN114123604B - Single-bearing permanent magnet generator - Google Patents
Single-bearing permanent magnet generator Download PDFInfo
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- CN114123604B CN114123604B CN202111360501.7A CN202111360501A CN114123604B CN 114123604 B CN114123604 B CN 114123604B CN 202111360501 A CN202111360501 A CN 202111360501A CN 114123604 B CN114123604 B CN 114123604B
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- permanent magnet
- magnet generator
- bearing
- bearing permanent
- generator body
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/12—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with feed by capillary action, e.g. by wicks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention relates to the technical field of generators, in particular to a single-bearing permanent magnet generator. The invention aims to solve the technical problems that a permanent magnet generator is easy to loosen in work, inconvenient to clean the interior in the later period and difficult to dispose bearing abrasion. In order to solve the technical problems, the invention provides a single-bearing permanent magnet generator which consists of a fixing mechanism and a lubricating mechanism, wherein the fixing mechanism is used for avoiding the situations that a permanent magnet is easy to loosen, deform or even fall off when the generator works and a rotor rotates at a high speed, so that the normal work of a single-bearing permanent magnet generator body is ensured, impurities or dust enter the single-bearing permanent magnet generator body in the working process is reduced, and the use effect of the single-bearing permanent magnet generator body is further improved; the lubricating mechanism is arranged, and the bearing in the single-bearing permanent magnet generator body is lubricated under long-term rotation, so that the service life of the single-bearing permanent magnet generator is prolonged.
Description
Technical Field
The invention relates to the technical field of generators, in particular to a single-bearing permanent magnet generator.
Background
The generator is a mechanical device which converts energy of other forms into electric energy, and is driven by a water turbine, a steam turbine, a diesel engine or other power machines, converts the energy generated by water flow, air flow, fuel combustion or atomic fission into mechanical energy to be transmitted to the generator, and then converts the mechanical energy into electric energy by the generator, while the single-bearing generator is mainly connected with a power part, the rare earth permanent magnet generator has a special structure, the rotor of the rare earth permanent magnet generator is of an appearance permanent magnet structure and is fixed on a rotor yoke by screws, and the development of the technology of replacing an electric excitation motor by permanent magnet excitation is greatly promoted along with the development of the utilization technology of permanent magnet materials, particularly high magnetic energy product rare earth materials.
In most of the existing permanent magnet generators, a plurality of strip-shaped permanent magnets are axially and alternately adhered to the outer surface of a weak magnetic conduction cylinder sleeved on a central rotating shaft of a rotor in a sticking or embedding mode, so that the permanent magnets are easy to loosen, deform or even fall off when the generator works and the rotor rotates at a high speed, and the normal work of the generator is influenced; dust and impurities enter the permanent magnet generator in the using process of the permanent magnet generator, the permanent magnet generator needs to be cleaned frequently, and the permanent magnet generator is damaged in the cleaning process at present, so that the using effect of the permanent magnet generator is influenced; the existing permanent magnet generator is not provided with a lubricating component at a bearing, so that the bearing inside the generator is easy to wear and damage under long-term rotation, and the service life of the permanent magnet generator is shortened.
Disclosure of Invention
The invention aims to provide a single-bearing permanent magnet generator, which solves the problems that the permanent magnet generator proposed in the background art is easy to loosen in work, inconvenient in later internal cleaning and difficult in bearing abrasion treatment by arranging a fixing mechanism and a lubricating mechanism.
In order to achieve the purpose, the invention provides the following technical scheme: a single-bearing permanent magnet generator comprises a base, a single-bearing permanent magnet generator body, a shell, a fixing mechanism and a lubricating mechanism.
The top fixed mounting of base has the casing, the base is located the inside top department of casing and has seted up the mounting groove, fixed mounting has the single-bearing permanent magnet generator body in the mounting groove, the equal fixed mounting of fixed establishment and lubricated mechanism just is located the inside of casing at the top of base.
The fixing mechanism comprises a fixing plate, an installation cylinder, a spring and a connecting rod, the fixing plate is vertically and fixedly installed at the top of the base, the installation cylinder is installed on one side of the fixing plate in a penetrating and embedding mode, and the connecting rod is fixedly installed at the two ends of the spring.
Lubricated mechanism includes erection column, lantern ring, infiltration pipeline, lubricated brush and storage tank, one side fixed mounting that the top of base is close to the single-bearing permanent magnet generator body has the erection column, the top fixed mounting of erection column has the lantern ring, set up the infiltration pipeline in the lantern ring, the inner circle surface equidistance fixed mounting of the lantern ring has a plurality of lubricated brushes, the top fixed mounting of casing has the storage tank.
Preferably, a clamping seat is fixedly installed in the installation groove, and a plurality of clamping grooves are fixedly formed in the top of the clamping seat.
Preferably, the single-bearing permanent magnet generator body is provided with a bearing, and the bearing is fixedly sleeved in the collar.
Preferably, the bottom fixed mounting of single-bearing permanent magnet generator body has the bottom plate, the bottom fixed mounting of bottom plate has the inserted bar that corresponds with the draw-in groove, the inserted bar joint is in the draw-in groove.
Preferably, the number of the installation cylinders is four, the four installation cylinders are symmetrically distributed on the fixing plate, and springs are placed in the four installation cylinders.
Preferably, the surface of the outer ring of the lantern ring is highly provided with a connecting port, and the connecting port is communicated with the permeation pipeline and the lubrication brush.
Preferably, an oil adding port is arranged at the top of the storage tank, an oil outlet is arranged at the bottom of the storage tank in a penetrating and embedding manner, and an oil pipe is fixedly arranged between the oil outlet and the connecting port.
Preferably, one side face, close to the single-bearing permanent magnet generator body, of each of the two connecting rods is fixedly provided with an auxiliary plate.
Preferably, the top of each of the two fixing plates is fixedly provided with a fixing rod, and a transverse plate is fixedly sleeved between the two fixing plates through the fixing rods.
Preferably, the bottom of diaphragm is fixed and is seted up the fixed slot, the bottom fixed mounting of diaphragm has the block pad.
The invention has the beneficial effects that:
1. the fixing mechanism is used for fixing the single-bearing permanent magnet generator body between the base and the shell, so that the phenomena of looseness, deformation and even falling of the permanent magnet are avoided when the generator works and the rotor rotates at a high speed, and the normal work of the single-bearing permanent magnet generator body is ensured;
2. according to the invention, the single-bearing permanent magnet generator body is protected, impurities or dust entering the single-bearing permanent magnet generator body in the working process is reduced, and frequent cleaning is not required, so that damage caused when the single-bearing permanent magnet generator body is cleaned is avoided, and the using effect of the single-bearing permanent magnet generator body is further increased;
3. according to the invention, the lubricating mechanism is arranged at the bearing in the single-bearing permanent magnet generator body, so that the bearing in the single-bearing permanent magnet generator body is lubricated under long-term rotation, the condition that the bearing is easy to wear and damage is avoided, and the service life of the single-bearing permanent magnet generator is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
FIG. 1 is a schematic sectional front view of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 2 according to the present invention.
In the figure: 1. a base; 101. mounting grooves; 102. a card holder; 103. a card slot; 2. a single-bearing permanent magnet generator body; 201. a bearing; 202. a base plate; 203. inserting a rod; 3. a fixing plate; 301. a fixing rod; 4. mounting the cylinder; 5. a spring; 6. a connecting rod; 601. a sub-board; 7. mounting a column; 8. a collar; 801. a connecting port; 9. a permeate tube; 10. lubricating the brush; 11. a storage tank; 1101. an oil adding port; 1102. an oil outlet; 12. a housing; 13. a transverse plate; 1301. fixing grooves; 1302. a barrier pad.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1-4, a single-bearing permanent magnet generator includes a base 1, a single-bearing permanent magnet generator body 2, a housing 12, a fixing mechanism and a lubricating mechanism.
The top fixed mounting of base 1 has casing 12, base 1 is located the inside top department of casing 12 and has seted up mounting groove 101, fixed mounting has single-bearing permanent magnet generator body 2 in mounting groove 101, the equal fixed mounting of fixed establishment and lubricated mechanism just is located the inside of casing 12 at base 1's top.
The fixing mechanism comprises a fixing plate 3, an installation cylinder 4, a spring 5 and a connecting rod 6, the fixing plate 3 is fixedly installed at the top of the base 1 vertically, the installation cylinder 4 is installed on one side of the fixing plate 3 in a penetrating and embedding mode, and the connecting rod 6 is fixedly installed at the two ends of the spring 5.
Lubricating mechanism includes erection column 7, lantern ring 8, infiltration pipeline 9, lubricated brush 10 and storage tank 11, one side fixed mounting that the top of base 1 is close to single-bearing permanent magnet generator body 2 has erection column 7, the top fixed mounting of erection column 7 has lantern ring 8, it has infiltration pipeline 9 to open in the lantern ring 8, the inner circle surface equidistance fixed mounting of lantern ring 8 has a plurality of lubricated brushes 10, the top fixed mounting of casing 12 has storage tank 11.
Specifically, a clamping seat 102 is fixedly installed in the installation groove 101, a plurality of clamping grooves 103 are fixedly formed in the top of the clamping seat 102, and the clamping grooves 103 fix the insertion rod 203, so that the single-bearing permanent magnet generator body 2 is fixed on the base 1, and normal operation of the fixing mechanism is guaranteed.
Specifically, a bearing 201 is arranged on the single-bearing permanent magnet generator body 2, and the bearing 201 is fixedly sleeved in the lantern ring 8.
Specifically, the bottom fixed mounting of single-bearing permanent magnet generator body 2 has bottom plate 202, the bottom fixed mounting of bottom plate 202 has inserted bar 203 that corresponds with draw-in groove 103, inserted bar 203 joint is in draw-in groove 103, and draw-in groove 103 fixes inserted bar 203 to fix single-bearing permanent magnet generator body 2 on base 1, guarantee fixed establishment's normal work.
Specifically, the number of the installation cylinders 4 is four, the four installation cylinders 4 are symmetrically distributed on the fixing plate 3, and the springs 5 are placed in the four installation cylinders 4.
Specifically, a connection port 801 is highly installed on the outer ring surface of the collar 8, and the connection port 801 is communicated with the permeation pipeline 9 and the lubrication brush 10, so that the lubricating oil can flow between the connection port 801 and the permeation pipeline 9 and between the permeation pipeline 9 and the lubrication brush 10, thereby ensuring the normal operation of the lubrication mechanism.
Specifically, an oil filling port 1101 is arranged at the top of the storage tank 11, an oil outlet 1102 is embedded in the bottom of the storage tank 11, and an oil pipe is fixedly installed between the oil outlet 1102 and the connection port 801.
Specifically, two side faces of the connecting rods 6 close to the single-bearing permanent magnet generator body 2 are fixedly provided with auxiliary plates 601.
Specifically, two equal fixed mounting in top of fixed plate 3 has dead lever 301, two fixed plate 3 is between cup jointed diaphragm 13 through dead lever 301 is fixed, and diaphragm 13 fixes single-bearing permanent magnet generator body 2 through two fixed plates 3, guarantees fixed establishment's normal work.
Specifically, fixed slot 1301 has been seted up to the bottom of diaphragm 13 fixed, the bottom fixed mounting of diaphragm 13 has blocks pad 1302, blocks between pad 1302 buffering single-bearing permanent magnet generator body 2 and the diaphragm 13, avoids single-bearing permanent magnet generator body 2 and diaphragm 13 to collide for the emergence of the single-bearing permanent magnet generator body 2 damaged condition.
The working principle is as follows: when the single-bearing permanent magnet generator is used, the single-bearing permanent magnet generator body 2 is fixed on the clamping seat 102 through the bottom plate 202 at the bottom, the mounting cylinders 4 on the fixing plates 3 at two sides are provided with the springs 5 which can move left and right in the mounting cylinders 4, shaking and deformation generated in the working process of the single-bearing permanent magnet generator body 2 move within an allowable range, under the action of the base 1, the shell 12 and the transverse plate 13, dust and impurities are prevented from entering the single-bearing permanent magnet generator body 2, cleaning work of internal dust or impurities on the single-bearing permanent magnet generator body 2 in the later period is reduced, damage to the single-bearing permanent magnet generator body 2 in cleaning is avoided, the using effect of the single-bearing permanent magnet generator body 2 is further improved, the situations that a permanent magnet is easy to loosen and deform or even fall off when a rotor rotates at a high speed are avoided, and normal work of the single-bearing permanent magnet generator body 2 is ensured.
And at intervals, when the single-bearing permanent magnet generator body 2 is maintained, lubricating oil is added into the storage tank 11 from the oil adding port 1101, the lubricating oil is conveyed into the permeation pipeline 9 in the lantern ring 8 from the storage tank 11 through an oil pipe, the lubricating brush 10 is conveyed and soaked through the permeation pipeline 9, and the bearing 201 on the single-bearing permanent magnet generator body 2 is lubricated by the lubricating brush 10, so that the bearing 201 inside the single-bearing permanent magnet generator body 2 is lubricated under long-term rotation, the occurrence of the condition that the bearing 201 is easily abraded and damaged is avoided, and the service life of the single-bearing permanent magnet generator body 2 is prolonged.
The present invention relates to circuits, electronic components and control modules all of which are well within the skill of those in the art and, as such, the present invention is not limited to software and process modifications.
In the description of the invention, it is to be understood that the terms "center", "middle", "eccentric", "longitudinal", "lateral", "length", "width", "thickness", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of describing the invention and for 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, should not be construed as limiting the invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A single-bearing permanent magnet generator, characterized by: the single-bearing permanent magnet generator comprises a base (1), a single-bearing permanent magnet generator body (2), a shell (12), a fixing mechanism and a lubricating mechanism;
a shell (12) is fixedly mounted at the top of the base (1), a mounting groove (101) is formed in the top of the base (1) positioned in the shell (12), a single-bearing permanent magnet generator body (2) is fixedly mounted in the mounting groove (101), and both the fixing mechanism and the lubricating mechanism are fixedly mounted at the top of the base (1) and positioned in the shell (12);
the fixing mechanism comprises a fixing plate (3), an installation barrel (4), a spring (5) and a connecting rod (6), the fixing plate (3) is vertically and fixedly installed at the top of the base (1), the installation barrel (4) penetrates through and is installed at one side of the fixing plate (3) in an embedded mode, and the connecting rod (6) is fixedly installed at two ends of the spring (5);
lubricating mechanism includes erection column (7), the lantern ring (8), infiltration pipeline (9), lubricated brush (10) and storage tank (11), one side fixed mounting that the top of base (1) is close to single bearing permanent magnet generator body (2) has erection column (7), the top fixed mounting of erection column (7) has lantern ring (8), open in the lantern ring (8) and be equipped with infiltration pipeline (9), the inner circle surface equidistance fixed mounting of the lantern ring (8) has a plurality of lubricated brushes (10), the top fixed mounting of casing (12) has storage tank (11).
2. A single-bearing permanent magnet generator according to claim 1, wherein: a clamping seat (102) is fixedly installed in the installation groove (101), and a plurality of clamping grooves (103) are fixedly formed in the top of the clamping seat (102).
3. A single bearing permanent magnet generator according to claim 1, wherein: the single-bearing permanent magnet generator is characterized in that a bearing (201) is arranged on the single-bearing permanent magnet generator body (2), and the bearing (201) is fixedly sleeved in the lantern ring (8).
4. A single bearing permanent magnet generator according to claim 1, wherein: the bottom fixed mounting of single-bearing permanent magnet generator body (2) has bottom plate (202), the bottom fixed mounting of bottom plate (202) has inserted bar (203) that corresponds with draw-in groove (103), inserted bar (203) joint is in draw-in groove (103).
5. A single-bearing permanent magnet generator according to claim 1, wherein: the number of the installation cylinders (4) is four, the four installation cylinders (4) are symmetrically distributed on the fixing plate (3), and springs (5) are placed in the four installation cylinders (4).
6. A single-bearing permanent magnet generator according to claim 1, wherein: and a connecting port (801) is arranged on the surface of the outer ring of the lantern ring (8), and the connecting port (801) is communicated with the permeation pipeline (9) and the permeation pipeline (9) is communicated with the lubricating brush (10).
7. A single bearing permanent magnet generator according to claim 1, wherein: an oil adding port (1101) is formed in the top of the storage tank (11), an oil outlet (1102) is installed at the bottom of the storage tank (11) in a penetrating and embedded mode, and an oil pipe is fixedly installed between the oil outlet (1102) and the connecting port (801).
8. A single bearing permanent magnet generator according to claim 1, wherein: and one side surface of the two connecting rods (6) close to the single-bearing permanent magnet generator body (2) is fixedly provided with an auxiliary plate (601).
9. A single-bearing permanent magnet generator according to claim 1, wherein: the top of two fixed plates (3) is fixedly provided with a fixed rod (301), and a transverse plate (13) is fixedly sleeved between the fixed plates (3) through the fixed rod (301).
10. A single bearing permanent magnet generator according to claim 9, wherein: the bottom of horizontal plate (13) is fixed and is seted up fixed slot (1301), the bottom fixed mounting of horizontal plate (13) has and blocks pad (1302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111360501.7A CN114123604B (en) | 2021-11-15 | 2021-11-15 | Single-bearing permanent magnet generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111360501.7A CN114123604B (en) | 2021-11-15 | 2021-11-15 | Single-bearing permanent magnet generator |
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| Publication Number | Publication Date |
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| CN114123604A CN114123604A (en) | 2022-03-01 |
| CN114123604B true CN114123604B (en) | 2022-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111360501.7A Active CN114123604B (en) | 2021-11-15 | 2021-11-15 | Single-bearing permanent magnet generator |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1913288A (en) * | 2006-08-01 | 2007-02-14 | 陈年忠 | Vehicle permanent magnet generator |
| CN203071782U (en) * | 2013-02-06 | 2013-07-17 | 无锡钧弘自动化科技有限公司 | Permanent magnet generator |
| CN103956846A (en) * | 2014-04-04 | 2014-07-30 | 苏州泰格动力机器有限公司 | Shallow water multi-pole permanent magnet motor and shallow water type submerged pump with shallow water multi-pole permanent magnet motor |
| CN107482843A (en) * | 2017-08-01 | 2017-12-15 | 中车唐山机车车辆有限公司 | Single-bearing magneto and internal combustion rail truck |
| CN208738955U (en) * | 2018-06-20 | 2019-04-12 | 广东力好科技股份有限公司 | Single-bearing machine |
| CN213547285U (en) * | 2020-10-22 | 2021-06-25 | 福建凯威斯发电机有限公司 | Single bearing generator convenient to installation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004357413A (en) * | 2003-05-29 | 2004-12-16 | Tokyo Parts Ind Co Ltd | Brushless motor |
-
2021
- 2021-11-15 CN CN202111360501.7A patent/CN114123604B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1913288A (en) * | 2006-08-01 | 2007-02-14 | 陈年忠 | Vehicle permanent magnet generator |
| CN203071782U (en) * | 2013-02-06 | 2013-07-17 | 无锡钧弘自动化科技有限公司 | Permanent magnet generator |
| CN103956846A (en) * | 2014-04-04 | 2014-07-30 | 苏州泰格动力机器有限公司 | Shallow water multi-pole permanent magnet motor and shallow water type submerged pump with shallow water multi-pole permanent magnet motor |
| CN107482843A (en) * | 2017-08-01 | 2017-12-15 | 中车唐山机车车辆有限公司 | Single-bearing magneto and internal combustion rail truck |
| CN208738955U (en) * | 2018-06-20 | 2019-04-12 | 广东力好科技股份有限公司 | Single-bearing machine |
| CN213547285U (en) * | 2020-10-22 | 2021-06-25 | 福建凯威斯发电机有限公司 | Single bearing generator convenient to installation |
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| CN114123604A (en) | 2022-03-01 |
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