CN103912510A - Electric blower - Google Patents
Electric blower Download PDFInfo
- Publication number
- CN103912510A CN103912510A CN201310745668.4A CN201310745668A CN103912510A CN 103912510 A CN103912510 A CN 103912510A CN 201310745668 A CN201310745668 A CN 201310745668A CN 103912510 A CN103912510 A CN 103912510A
- Authority
- CN
- China
- Prior art keywords
- impeller
- electric fan
- axle
- magnet
- sleeve
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/22—Mountings for motor fan assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/051—Axial thrust balancing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
- F04D29/057—Bearings hydrostatic; hydrodynamic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
- F04D29/058—Bearings magnetic; electromagnetic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
- F04D29/059—Roller bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Electromagnetism (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Disclosed herein is an electric blower including: an impeller; a driving module including a rotor part coupled to the impeller in order to driving the impeller and a stator part, the rotator part including a magnet and the stator part including an armature formed of a core positioned so as to face the magnet and a coil; a motor housing having the driving module mounted thereon; and a control module mounted on the motor housing and controlling the driving module.
Description
The cross reference of related application
The application requires to be called on December 28th, 2012 application, name the preference of the korean patent application No.10-2012-0156592 of " Electric Blower(electric fan) ", and the full content of this application mode is by reference attached in the application.
Technical field
The present invention relates to a kind of electric fan.
Background technique
Conventionally, be a kind of hand-held product for the electric fan of vacuum cleaner (vacuum cleaner), wherein, miniaturization and slim and gracefulization are extremely important.In addition, in the case of the output density of motor increases, miniaturization and slim and gracefulization are feasible.
Meanwhile, use the axle system of ball bearing the bearing that there is fan, solid of rotation rotor and fan is separated with solid of rotation rotor according to the electric fan of prior art.In addition, be embodied as a kind of shape according to the electric blower of prior art, in this shape, impeller is assemblied in the upside of rotor.
When being formed as time described above, comprise the independently driver module of ball bearing module and impeller according to the electric fan of the prior art that comprises following patent documentation, the driver module of ball bearing module and impeller is connected to each other to be arranged on the bottom of impeller, this complex structure and be difficult to realize miniaturization can not keep the stability of motor simultaneously in the time of High Rotation Speed.In addition, control module is included in this electric fan independently, makes electric fan be difficult to equally miniaturization.
[prior art document]
[patent documentation]
(patent documentation 1) US20070134109A
Summary of the invention
The present invention is devoted to provide a kind of electric fan, this electric fan have by the control module control being integrally formed electric machine casing electric fan driver module and can realize its miniaturization and slim and gracefulization.
The present invention is devoted to provide a kind of electric fan, wherein, in initial driving, that is, make impeller float before, in the time that the plate (plate) of impeller contacts with the ball of driver module, vane rotary is to reduce friction, and impeller rotates by pneumatic bearing under the state reducing according to the friction of dynamic pressure design, to allow ultra high speed to drive, can realize thus the electric fan that size is extra small and weight is extra small.
According to the preferred embodiment of the present invention, a kind of electric fan is provided, electric fan comprises: impeller; Driver module, this driver module comprises rotor part and stator department, and described rotor part is connected with drives impeller with impeller, and described rotor part comprises that magnet and described stator department comprise armature, and the magnetic core that this armature is placed by coil with towards described magnet forms; Electric machine casing, described driver module is arranged on this electric machine casing; And control module, this control module is arranged on described electric machine casing and controls described driver module.
Described driver module can have the pneumatic bearing portion being formed between described stator department and described rotor part.
Described electric fan can also comprise impeller cover, and this impeller cover covers described impeller and is connected with described electric machine casing.
Described control module can comprise: control pedestal and Hall transducer (hall sensor), this control pedestal is connected with described electric machine casing; This Hall transducer is connected in described control pedestal and places towards the described rotor part of described driver module.
The described rotor part of described driver module can comprise: sleeve and magnet, and this sleeve is rotatably supported by axle; This magnet is connected with described sleeve, with the described armature towards described stator department.
Described sleeve and described axle can comprise the magnet for magnetic support, and this magnet is arranged on described sleeve and described axle each surface toward each other.
Can be arranged on the upper end portion of described sleeve for the described magnet of magnetic support.
Described magnet for magnetic support can be formed as annular shape.
The described stator department of described driver module can comprise: axle and armature, and this axle rotatably supports described rotor part; This armature is towards the described magnet of described rotor part and comprise magnetic core and coil.
Described axle can be inserted in described sleeve, to form pneumatic bearing portion, between described axle and described sleeve, there is slight gap, and be optionally provided with dynamic pressure generation groove (dynamic pressure generating groove) at the outer circumferential face of described axle toward each other and the inner peripheral surface of described sleeve.
Described axle can comprise ball, and this ball is axially arranged on the surface of described impeller with respect to described axle.
Described impeller can comprise plate, and this plate is arranged on the surface of described ball.
Described electric fan can also comprise the impeller cover that covers described impeller, and wherein, described impeller cover is connected with described electric machine casing.
Described impeller cover is threaded by clamping bolt with described electric machine casing.
Brief description of the drawings
From the detailed description below in conjunction with accompanying drawing, above and other object of the present invention, feature and advantage will more clearly be understood, wherein:
Fig. 1 is the front view that schematically shows the electric fan of the preferred embodiment of the present invention;
Fig. 2 is the three-dimensional cross-sectional schematic of the electric fan shown in Fig. 1; And
Fig. 3 is the cross-sectional schematic of the electric fan shown in Fig. 1.
Embodiment
From below in conjunction with accompanying drawing to detailed description of the preferred embodiment, object of the present invention, feature and advantage will obtain clearer understanding.In the accompanying drawings, identical reference number is used to indicate same or analogous parts, and has omitted the unnecessary description to it.In addition, in the following description, term " first ", " second ", " side " and " opposite side " etc. are for distinguish specific parts from other parts, but the structure of these parts should not thought and is limited to described term.In addition, in description of the invention, when determining will make purport of the present invention fuzzy to the detailed description of correlation technique time, by the description of omitting it.
Below, the preferred embodiment of the present invention is specifically described in connection with accompanying drawing.
Fig. 1 is the front view that schematically shows the electric fan of the preferred embodiment of the present invention, and Fig. 2 is the three-dimensional cross-sectional schematic of the electric fan shown in Fig. 1, and Fig. 3 is the cross-sectional schematic of the electric fan shown in Fig. 1.More specifically, electric fan 100 is integrally formed with control module.
As shown in the figure, electric fan 100 comprises impeller 110, driver module 120, impeller cover 130, electric machine casing 140 and control module 150.
More specifically, impeller 110 is connected and is rotated by driver module with driver module 120, so that Air Flow.
In addition, impeller 110 is covered by impeller cover 130.
And driver module 120 is connected with electric machine casing 140 and this electric machine casing 140 is connected with impeller cover 130.
In addition, control module 150 is for controlling driver module 120 and being arranged on electric machine casing 140.
Below, the system between feature and all parts of detailed description all parts is connected.
As mentioned above, impeller 110 connects with driver module 120 and is associated with the rotating photo of the rotor part of driver module, so that Air Flow.In addition, for this reason, be formed with the wing 111, so that Air Flow.
In addition, impeller cover 130 is provided with for guiding air suction port and impeller cover 130 are formed as cylindrical.
In addition, impeller cover 130 can be connected by the whole bag of tricks with electric machine casing 140, for example, cohere connection, press-fit connection, be threaded etc. and Fig. 1 to Fig. 3 has shown by clamping bolt 160 and connected as one of them mode of execution in each above-mentioned connecting means.
Then, driver module 120 is formed by stator department and rotor part, and described stator department comprises armature 124 and axle 121, and described rotor part comprises sleeve 122 and magnet 123, described rotor part is connected with impeller 110, and described stator department is arranged on described electric machine casing 140.
In addition, between the outer diameter part of axle 121 and the inside diameter of sleeve 122, there is slight gap (fine interval), and described slight gap can be provided with bearing portion.Although the present invention adopts gas bearing portion as example, the invention is not restricted to this, and can realize variously.
In addition, the surface that sleeve is relative with axle is separately installed with for the magnet 125a of magnetic support and magnet 125b.
More specifically, in rotor part, sleeve 122 is rotatably supported and is connected with impeller 110 by axle 121.
Sleeve 122 can have and radially dynamically generates groove (radial dynamic generating groove) (not shown) on the inside diameter that is formed on sleeve 122, so that pneumatic bearing portion is formed in the slight gap between sleeve 122 and axle 121.
In addition, magnet 123 is arranged on the outer circumferential face of sleeve 122, with the armature 124 towards stator department.
In addition, driver module deacration bearing portion also comprises magnetic bearing portion outward according to the preferred embodiment of the present invention.For this reason, driver module comprises axle and sleeve, and described axle and sleeve are separately installed with for the magnet 125a of magnetic support and magnet 125b.
, for magnetic support the magnet 125a that is connected with sleeve be mounted to the magnet 125b for magnetic support towards axle 121.In addition, can be formed as annular shape for the magnet 125a of magnetic support.
After this, as mentioned above, in stator department, axle 121 is stop sleeve 122 rotatably.In addition, the upper end portion of axle 121 is permanently connected towards underpart and the electric machine casing 140 of impeller 110 and axle 121.
In addition, axle 121 is provided with the magnet 125b for magnetic support, with the magnet 125a for magnetic support towards sleeve.
As mentioned above, outside deacration bearing, dynamic pressure design can realize more accurately by the magnet 125a and the magnet 125b that are arranged on respectively on sleeve 122 and axle 121.
In addition, axle 121 can be provided with the ball 126 for a contact, the friction with minimizing in the time initially driving with impeller 110.In addition, axle 121 is provided with the ball receiving groove for receiving described ball.In addition, ball receiving groove can be formed on the core of the upper-end surface of axle.
In addition, impeller 110 can mounting plate 112, with the ball 126 towards as shown in Figures 2 and 3.
In addition, axle 121 can have the dynamic pressure groove radially (radial dynamic pressure groove) on the outer circumferential face that is formed on this axle 121, to form pneumatic bearing portion.As mentioned above, dynamic pressure groove can optionally be formed on axle on the outer circumferential face of sleeve or on the inner peripheral surface of axle.In addition, dynamic pressure generation groove has the shape and size that realize variously by man type etc. according to dynamic design.
After this, armature is formed and is permanently connected with electric machine casing by coil (not shown) and magnetic core 124, with towards magnet 123.
In addition, control module 150 is for controlling the driving of driver module and comprising the Hall transducer 152 of controlling pedestal 151 and being connected in control pedestal 151.In addition, Hall transducer 152 is for detection of the position of the rotor part of driver module and displacement and be placed as towards rotor part, and wherein, Fig. 2 and Fig. 3 have shown the mode of execution of Hall transducer towards magnet 123.In addition, control pedestal 151 and be arranged on electric machine casing 140, wherein, as a kind of mode of execution, Fig. 2 has shown the situation that pedestal 151 is connected by clamping bolt 160 with electric machine casing 140 of controlling with Fig. 3.
As mentioned above, according to the embodiment of the present invention, can realize the electric fan 100 of miniaturization and slim and gracefulization, and electric fan 100 drives under high speed by pneumatic bearing.
According to the preferred embodiment of the present invention, can obtain a kind of electric fan, this electric fan have by the control module control being integrally formed electric machine casing electric fan driver module and can realize miniaturization and slim and gracefulization, and wherein, in the time of initial driving, , make impeller float before, in the time that the plate of impeller and the ball of driver module contact, vane rotary is to reduce friction, and impeller rotates by pneumatic bearing under the state reducing according to the friction of dynamic pressure design, to allow ultra high speed to drive, can realize thus the electric fan that size is extra small and weight is extra small.
Although disclose embodiments of the present invention for purposes of illustration, the present invention is not limited to this, it will be appreciated by persons skilled in the art that without departing from the spirit and scope of the present invention, can make various amendments, interpolation and replacement.
Therefore, any and all modifications, distortion and equivalent arrangements all should be considered as within the scope of the invention, and concrete protection domain of the present invention is open by the claim by enclosing.
Claims (14)
1. an electric fan, this electric fan comprises:
Impeller;
Driver module, this driver module comprises rotor part and stator department, described rotor part is connected to drive described impeller with described impeller, and described rotor part comprises that magnet and described stator department comprise armature, and the magnetic core that this armature is placed by coil with towards described magnet forms;
Electric machine casing, described driver module is arranged on this electric machine casing; And
Control module, this control module is arranged on described electric machine casing and controls described driver module.
2. electric fan according to claim 1, wherein, described driver module has the pneumatic bearing portion being formed between described stator department and described rotor part.
3. electric fan according to claim 1, wherein, this electric fan also comprises impeller cover, this impeller cover covers described impeller and is connected with described electric machine casing.
4. electric fan according to claim 1, wherein, described control module comprises:
Control pedestal, this control pedestal is connected with described electric machine casing; And
Hall transducer, this Hall transducer is connected in described control pedestal and places towards the described rotor part of described driver module.
5. electric fan according to claim 1, wherein, the described rotor part of described driver module comprises:
Sleeve, this sleeve is rotatably supported by axle; And
Magnet, this magnet is connected with described sleeve, with the described armature towards described stator department.
6. electric fan according to claim 5, wherein, described sleeve and described axle comprise the magnet for magnetic support, this magnet is arranged on described sleeve and described axle each surface toward each other.
7. electric fan according to claim 6, wherein, is arranged on the upper end portion of described sleeve for the described magnet of magnetic support.
8. electric fan according to claim 7, wherein, is formed as annular shape for the described magnet of magnetic support.
9. electric fan according to claim 1, wherein, the described stator department of described driver module comprises:
Axle, this axle rotatably supports described rotor part; With
Armature, this armature is towards the described magnet of described rotor part and comprise magnetic core and coil.
10. electric fan according to claim 9, wherein, described axle is inserted in described sleeve, to form pneumatic bearing portion, between described axle and described sleeve, there is slight gap, and be optionally provided with dynamic pressure generation groove at the outer circumferential face of described axle toward each other and the inner peripheral surface of described sleeve.
11. electric fans according to claim 10, wherein, described axle comprises ball, this ball is axially arranged on the surface of described impeller with respect to described axle.
12. electric fans according to claim 11, wherein, described impeller comprises plate, this plate is arranged on the surface of described ball.
13. electric fans according to claim 1, wherein, described electric fan also comprises the impeller cover that covers described impeller,
Wherein, described impeller cover is connected with described electric machine casing.
14. electric fans according to claim 13, wherein, described impeller cover is threaded by clamping bolt with described electric machine casing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020120156592A KR101454083B1 (en) | 2012-12-28 | 2012-12-28 | Electric blower |
| KR10-2012-0156592 | 2012-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103912510A true CN103912510A (en) | 2014-07-09 |
Family
ID=51017402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310745668.4A Pending CN103912510A (en) | 2012-12-28 | 2013-12-30 | Electric blower |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20140186199A1 (en) |
| KR (1) | KR101454083B1 (en) |
| CN (1) | CN103912510A (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10557472B2 (en) * | 2015-12-17 | 2020-02-11 | Venturedyne, Ltd. | Environmental sensor and method of operating the same |
| US9983596B2 (en) * | 2015-12-17 | 2018-05-29 | Venturedyne, Ltd. | Environmental sensor and method of operating the same |
| EP3421807A1 (en) * | 2017-06-29 | 2019-01-02 | Koninklijke Philips N.V. | Device having a surface arranged to meet rotating air |
| JP7505166B2 (en) * | 2019-03-29 | 2024-06-25 | ニデック株式会社 | Gas dynamic bearing, motor and blower |
| KR102512291B1 (en) | 2019-07-10 | 2023-03-22 | 엘지전자 주식회사 | Fan Motor and Manufacturing the Same |
| KR102171454B1 (en) | 2019-07-10 | 2020-10-29 | 엘지전자 주식회사 | Fan Motor and Manufacturing the Same |
| KR102334621B1 (en) | 2019-07-10 | 2021-12-03 | 엘지전자 주식회사 | Fan Motor |
| KR102464110B1 (en) | 2019-07-25 | 2022-11-07 | 엘지전자 주식회사 | Fan Motor |
| KR102252511B1 (en) | 2019-07-25 | 2021-05-14 | 엘지전자 주식회사 | Fan Motor |
| KR20210099885A (en) | 2020-02-05 | 2021-08-13 | 엘지전자 주식회사 | Fan Motor |
| KR20210033452A (en) | 2021-03-17 | 2021-03-26 | 엘지전자 주식회사 | Fan Motor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0712091A (en) * | 1993-09-24 | 1995-01-17 | Ebara Corp | Magnetic bearing device |
| CN1518192A (en) * | 2003-01-09 | 2004-08-04 | ���ǵ�����ʽ���� | Dynamic pressure bearing electric machine |
| DE10338167A1 (en) * | 2003-08-20 | 2005-04-07 | Lust Antriebstechnik Gmbh | Hermetically sealed process chamber e.g. for liquid pumps or radial compressors, has shaft vibrations influenced by electromagnetic forces generated with permanent magnets and coil |
| KR100783451B1 (en) * | 2006-12-26 | 2007-12-11 | 전자부품연구원 | Motor assembly for driving air blower in fuel cell system |
| JP2009168241A (en) * | 2008-01-21 | 2009-07-30 | Aisin Seiki Co Ltd | Rotational shaft device and fuel cell system |
| EP2148094A2 (en) * | 2008-07-26 | 2010-01-27 | Pfeiffer Vacuum Gmbh | Vacuum pump |
| CN102072168A (en) * | 2009-11-19 | 2011-05-25 | 现代自动车株式会社 | Electric water pump |
| CN102545480A (en) * | 2010-12-27 | 2012-07-04 | 日本电产株式会社 | Motor, fan and method for manufacturing motor |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3604962A (en) * | 1969-09-11 | 1971-09-14 | Rotron Inc | Motor bearing and fan construction |
| DE50010052D1 (en) * | 1999-07-17 | 2005-05-19 | Ebm Papst St Georgen Gmbh & Co | ELECTRIC SMALL ENGINE WITH AXIAL BEARING |
| FR2832770B1 (en) * | 2001-11-27 | 2004-01-02 | Mallinckrodt Dev France | CENTRIFUGAL TURBINE FOR BREATHING ASSISTANCE DEVICES |
| TW200521350A (en) * | 2003-12-25 | 2005-07-01 | Delta Electronics Inc | Magnetic bearing system |
| JP2006064151A (en) * | 2004-08-30 | 2006-03-09 | Matsushita Electric Ind Co Ltd | Fluid bearing, spindle motor using it, and magnetic disc unit |
| KR100903519B1 (en) * | 2007-09-18 | 2009-06-19 | 주식회사 아모텍 | IPM Motor and Vacuum Inhaling Apparatus Using the Same |
| TWI349071B (en) * | 2008-02-01 | 2011-09-21 | Delta Electronics Inc | Fan |
| DE102010001538A1 (en) * | 2010-02-03 | 2011-08-04 | Trumpf Maschinen Ag | Gas laser with radial and axial gas bearings |
-
2012
- 2012-12-28 KR KR1020120156592A patent/KR101454083B1/en not_active IP Right Cessation
-
2013
- 2013-12-27 US US14/142,513 patent/US20140186199A1/en not_active Abandoned
- 2013-12-30 CN CN201310745668.4A patent/CN103912510A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0712091A (en) * | 1993-09-24 | 1995-01-17 | Ebara Corp | Magnetic bearing device |
| CN1518192A (en) * | 2003-01-09 | 2004-08-04 | ���ǵ�����ʽ���� | Dynamic pressure bearing electric machine |
| DE10338167A1 (en) * | 2003-08-20 | 2005-04-07 | Lust Antriebstechnik Gmbh | Hermetically sealed process chamber e.g. for liquid pumps or radial compressors, has shaft vibrations influenced by electromagnetic forces generated with permanent magnets and coil |
| KR100783451B1 (en) * | 2006-12-26 | 2007-12-11 | 전자부품연구원 | Motor assembly for driving air blower in fuel cell system |
| JP2009168241A (en) * | 2008-01-21 | 2009-07-30 | Aisin Seiki Co Ltd | Rotational shaft device and fuel cell system |
| EP2148094A2 (en) * | 2008-07-26 | 2010-01-27 | Pfeiffer Vacuum Gmbh | Vacuum pump |
| CN102072168A (en) * | 2009-11-19 | 2011-05-25 | 现代自动车株式会社 | Electric water pump |
| CN102545480A (en) * | 2010-12-27 | 2012-07-04 | 日本电产株式会社 | Motor, fan and method for manufacturing motor |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101454083B1 (en) | 2014-10-21 |
| US20140186199A1 (en) | 2014-07-03 |
| KR20140086286A (en) | 2014-07-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103912510A (en) | Electric blower | |
| CN203939762U (en) | Ceiling fan motor | |
| CN105587671A (en) | Magnetic Levitated Pump | |
| US20140134012A1 (en) | Impeller and electric blower having the same | |
| US20140134020A1 (en) | Electric blower | |
| EP2611006A2 (en) | Fan motor assembly | |
| CN103398013A (en) | Turbine molecular pump | |
| JP2015113781A (en) | Axial fan and series axial fan | |
| JP6783679B2 (en) | Motor and blower | |
| CN104481898B (en) | Use the external rotor axial-flow fan of electromagnetic bearing | |
| JP2014042441A (en) | Switched reluctance motor assembly | |
| CN212376898U (en) | Blower of centrifugal vacuum pump of static pressure gas bearing permanent magnet synchronous motor | |
| GB2416572A (en) | Air bearing spindles | |
| JP2010029259A (en) | Vacuum cleaner | |
| EP3222180A1 (en) | Dust collector | |
| CN109245410B (en) | Ultrahigh-rotation-speed motor | |
| CN112803700A (en) | Rotor subassembly and brushless vibrating motor | |
| JP6351819B1 (en) | Rotating device | |
| CN105471213A (en) | Brushless outer rotor permanent magnet motor for soybean milk machine | |
| CN102025216A (en) | Motor and cooling fan with same | |
| CN205960822U (en) | High speed motor rotor structure | |
| CN204068557U (en) | A kind of industrial sewing machine servomotor | |
| JP2007154752A (en) | Blower | |
| CN204312374U (en) | A kind of external rotor axial-flow fan adopting electromagnetic bearing | |
| CN207968273U (en) | A kind of outer rotor brushless DC motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140709 |