CN103929015A - Fan motor with anti-dirt sticking function and apparatus having fan motor - Google Patents
Fan motor with anti-dirt sticking function and apparatus having fan motor Download PDFInfo
- Publication number
- CN103929015A CN103929015A CN201410020144.3A CN201410020144A CN103929015A CN 103929015 A CN103929015 A CN 103929015A CN 201410020144 A CN201410020144 A CN 201410020144A CN 103929015 A CN103929015 A CN 103929015A
- Authority
- CN
- China
- Prior art keywords
- fan motor
- stator
- stay
- plectane portion
- blade
- 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
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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
- 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
- F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
- F04D25/0646—Details of the stator
-
- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5813—Cooling the control unit
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Cooling System (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Motor Or Generator Frames (AREA)
Abstract
A fan motor including a stator; a rotor having a cylindrical part arranged around the stator and a plurality of blades sticking out from an outer periphery of the cylindrical part to a radial direction, the rotor rotating about an axial line to blow a gas; and a housing having a disk part arranged at a side of the stator, a shroud part arranged around the blades, and a plurality of stays extending from an outer circumferential edge portion of the disk part to the radial direction to connect the disk part and the shroud part beside the blades. The stays are arranged at an upstream side from the blades in a blowing direction of the gas.
Description
Technical field
The present invention relates to for lathe or robot etc., there is dirt adhesion and prevent the fan motor of function and the device with fan motor.
Background technology
Conventionally, lathe or robot use under the floating environment such as dust, dust and dirt, cutting fluid mist of oil.Therefore,, in the situation that cooling and fan motor (also referred to as cooling fan) is set for electronic device of being used in lathe or robot etc., the floating things such as dust are collected at fan motor by the rotation of fan motor, and are attached to fan motor.If floating thing is attached to fan motor like this, hinder the rotation of fan motor, deterioration of cooling performance.As for preventing the device of the deterioration of such cooling performance, in the past, known had a described device of No. 4775778 communique of Japan Patent (JP4775778B).Device described in JP4775778B is by jet pipe is set near fan motor, and ejects compressed air from jet pipe, thereby removes the floating thing that is attached to fan motor.
Yet, the device as described in JP4775778B by the blast injection from jet pipe to the structure of fan motor, floating thing is delivered to the inside of fan motor forcibly, the for example stator of motor and the gap of rotor, thereby floating thing adheres to motor inside, may change and hinder the rotation of fan motor.
Summary of the invention
Fan motor as a scheme of the present invention is characterised in that to possess: the stator with spiral; Rotor, it has the cylindrical portion of the surrounding that is disposed at stator and from the outer peripheral face of cylindrical portion to a plurality of blades of the outstanding circumferencial direction arranging radially, and rotates centered by axis, via blade with axis blow gas abreast; And housing, its have the side that is disposed at stator plectane portion, be disposed at blade surrounding sleeve part and from the peripheral edge portion of plectane portion to radially extending and have in the side of blade many bracing bars of the circumferencial direction that connects plectane portion and sleeve part, stay configuration in than blade more by the upstream side of gas air supply direction.
In addition, the device with fan motor as another program of the present invention is characterised in that to have: said fans motor; The path of the path that the cooling air that formation is produced by the driving of fan motor passes through forms parts; And the cooling parts that are cooled of the cooling air that is passed path.
Object of the present invention, feature and advantage are more obvious by the explanation of the following execution mode associated with accompanying drawing.
Accompanying drawing explanation
Figure 1A means the front view of schematic configuration of the device of the fan motor with embodiments of the present invention.
Figure 1B means the stereogram of schematic configuration of the device of the fan motor with embodiments of the present invention.
Fig. 2 means the integrally-built stereogram of the fan motor of Figure 1A, Figure 1B.
Fig. 3 is the profile along III-III line of Fig. 2.
Fig. 4 is the figure of the arrow IV indication of Fig. 3.
Fig. 5 means the stereogram as the structure of the fan motor of the comparative example of embodiments of the present invention.
Fig. 6 is the profile along VI-IV line of Fig. 5.
Fig. 7 means the figure of the variation of Fig. 3.
Fig. 8 means other the figure of variation of Fig. 3.
Fig. 9 means the stereogram of variation of the fan motor of embodiments of the present invention.
Figure 10 A means the figure of the variation of Figure 1A.
Figure 10 B means the figure of the variation of Figure 1B.
Figure 11 A means the figure of other variation of Figure 1A.
Figure 11 B means the figure of other variation of Figure 1B.
Embodiment
Below, with reference to Figure 1A～Fig. 6, the fan motor of an embodiment of the invention is described.Figure 1A and Figure 1B are front view and the stereograms of schematic configuration of device 100 that represents respectively to have the fan motor of embodiments of the present invention.This device 100 is for make to be arranged at the cooling device of various parts of the robot that uses or lathe etc. under the floating environment such as dust, dust and weed-trifles, cutting fluid mist of oil (also these being referred to as to floating thing).
As shown in Figure 1A, Figure 1B, device 100 has the radiator 101 that is set up in parallel each other and casing 102, the first fan motor 110 that is arranged at respectively radiator 101, casing 102 and the second fan motor 120 and by the cooling electronic device 103 of fan motor 110,120.Electronic device 103 comprises for example, control circuit for the drive motor of control or lathe (servo motor).Radiator 101 and casing 102 integral body are respectively roughly rectangular shape, and casing 102 is fixed on radiator 101.
Radiator 101 is to extend 101a from the side to the side 101b of opposition side, and a plurality of laminal fin 104a of the essentially rectangular shape extending at the above-below direction mode of (with reference to Figure 10 B) of being separated from each other forms, between adjacent fin 104a along below to forming free gas path AP.Opening respectively above and below of radiator 101, is formed with air entry 105 below, is formed with exhaust outlet 106 above.On radiator 101, towards exhaust outlet 106, dispose the first fan motor 110, by the rotation of fan motor 110, thereby as shown in the arrow of Figure 1A, cooling air flows from below upward by radiator 101 and fan motor 110.
Casing 102 has exhaust outlet 107 in the above, below exhaust outlet 107, in the face of exhaust outlet 107 disposes the second fan motor 120.Below fan motor 120, dispose a plurality of electronic devices 103.If fan motor 120 rotation, never illustrated air entry, to the second casing 102 air amounts, and is discharged from exhaust outlet 107.Thus, air flows along the surface of electronic device 103, and electronic device 103 is cooled.
Electronic device 103 contacts and is supported with radiator 101.Therefore,, if the path AP of cooling air in radiator 101 flowed by the rotation of the first fan motor 110, the heat producing in electronic device 103 is via radiator 101 heat radiations.Like this, because 100 a pair of fan motor 110,120 is set at device in the present embodiment, so air that can be by the radiator 101 of flowing through and the air in the casing 102 of the flowing through electronic device 103 in cooling box 102 effectively.
Next, the structure of the fan motor 110,120 of embodiments of the present invention is described.Fig. 2 means the integrally-built stereogram (figure observing from oblique upper) of fan motor 110,120, and Fig. 3 is the profile along III-III line of Fig. 2.In addition,, in Fig. 3, the central shaft of fan motor 110,120 of take only represents one-sided as border.The housing 30 of the surrounding that as shown in Figure 2,3, fan motor 110,120 has the stator 10 that is configured and is configured centered by axis L0, the rotor 20 rotating centered by axis L0 and is disposed at rotor 20.
Stator 10 has roughly iron core 11 cylindraceous and spiral 12, and this iron core 11 has to radially outstanding a plurality of prominent utmost point portion, and these spiral 12 packages form a plurality of magnetic pole of the stator in these prominent utmost point portions.Rotor 20 has: rotating shaft 21, and it is disposed at the inside of iron core 11 and extends along axis L0; Cylindrical portion 22, it is centered by axis L0 and be disposed at stator 10 around; A plurality of blades 23 of circumferencial direction, its outer peripheral face from cylindrical portion 22 arranges to radially outstanding in the equally spaced mode of circumferencial direction; And plectane portion 24, it connects the upper end of rotating shaft 21 and the upper end of cylindrical portion 22 above stator 10.A plurality of permanet magnets 25 of the circumferencial direction that forms a plurality of rotor magnetic poles are installed at the inner peripheral surface of cylindrical portion 22.
Fig. 4 is the figure (from the figure of beneath) of the arrow IV indication of Fig. 3.In addition,, in Fig. 4, omit the diagram of stator 10 and rotor 20.As shown in Figure 3, Figure 4, housing 30 has: plectane portion 31, and it is disposed at the below of stator 10; Sleeve part 32 cylindraceous, it is disposed at blade 23 around centered by axis L0; And many (being four in figure) stays 33, its peripheral edge portion from plectane portion 31, to radially extending, connects plectane portion 31 and sleeve part 32 and is disposed at circumferencial direction below blade 23.The outer peripheral face 31b of plectane portion 31 is roughly positioned on the extended line that the outer circumference surface of cylindrical portion 22 is extended downwards.
As described in Figure 3, stay 33 have relative with blade 23 above 331 and its opposition side below 332.On plectane portion 31,331 are formed with recess 31a, at recess 31a, accommodate by the printed circuit board (PCB) 34 of plectane portion 31 supportings.That is, recess 31a plays a role as the accommodation section of printed circuit board (PCB) 34.Printed circuit board (PCB) 34 is electronic devices (substrate) of controlling the electric current of supplying with to spiral 12.The outstanding cylindrical portion 35 that is provided with upward in the inner rim edge of plectane portion 31, is supported with upper and lower a pair of bearing 36 at the inner peripheral surface of cylindrical portion 35.Inner side at bearing 36 is supported with rotating shaft 21 in the mode that can rotate.
Next, to thering is the action of device 100 of the fan motor of present embodiment, describe.Below, the situation of operative installations 100 under the floating environment of cutting fluid mist of oil is described.If supply with drive current via printed circuit board (PCB) 34 to the spiral 12 of stator 10, fan motor 110,120 rotations.Thus, air is sucked from the below of fan motor 110,120, blows upward shown in the arrow of Fig. 2.Now, follow flowing of air, cutting fluid mist of oil also flows to fan motor 110,120.
In the present embodiment, support bar 33 is configured in to the below of blade 23, i.e. the mobile upstream side of cooling air.Therefore, can prevent from conflicting with stay 33 to the mobile cutting fluid mist of oil of fan motor 110,120, sneak into rotor 20(cylindrical portion 22) and stator 10 between.With representing, as Fig. 5 of the structure of the fan motor 130 of the comparative example of present embodiment and as Fig. 6 of the profile of the VI-IV line along Fig. 5, this point is described.In addition, Fig. 5,6 and Fig. 2,3 different be the configuration of stay 33, in Fig. 5,6, for marking identical symbol with Fig. 2,3 identical inscapes.
In Fig. 5,6, above blade 23, be that the downstream of cooling air disposes stay 33.In this structure, flow into the cutting fluid mist of oil of fan motor 130 and conflicting of stay 33 below, shown in the arrow A of Fig. 6, cutting fluid mist of oil may immerse between rotor 20 and stator 10.If cutting fluid mist of oil immerses motor inside and adheres to motor inside, hinder the rotation of fan motor 130.Its result, the durability of fan motor 130 reduces, and is difficult to make electronic device 103 stably cooling in long period.In addition, in Fig. 5,6 structure, lodge in the cutting fluid mist of oil above of stay 33 shown in the arrow B of Fig. 6, the gap of immersion cylindrical portion 35 and rotating shaft 21, the life-span of bearing 36 may reduce.
On this point, in the present embodiment, as shown in Figure 3, because stay 33 is configured in the upstream side of cooling air 33, so the cutting fluid mist of oil of the stay 33 of can avoiding a conflict immersion motor is inner, can under the floating environment of cutting fluid mist of oil, make fan motor 110,120 rotate well.Its result, the durability of fan motor 130 improves, and obtains the stable cooling performance of auto levelizer 100.In addition, because stay 33 is disposed at the bottom of fan motor 110,120, thus also can prevent that cutting fluid mist of oil from immersing the gap of cylindrical portion 35 and rotating shaft 21, thus can prevent the life-span reduction of bearing 36.
Fig. 7 means the figure of the variation of Fig. 3.In Fig. 7, the surrounding of stator 10 and printed circuit board (PCB) 34 is covered by dielectric resin material 15.Thus, can prevent the adhering to stator 10 or printed circuit board (PCB) 34 such as cutting fluid mist of oil.If pass through resin material 15 covering stators 10 and printed circuit board (PCB) 34 around, permanet magnet 25 diminishes with the gap 16a of stator 10.Therefore,, if cutting fluid mist of oil immerses gap 16a, cutting fluid mist of oil is easy to adhesion.Therefore, need to prevent reliably that cutting fluid mist of oil is to the immersion of gap 16a, the upstream side that as illustrated stay 33 is configured at that point to cooling air is effective.
Fig. 8 means other the figure of variation of Fig. 3.In Fig. 8, plectane portion 31 above 311 and stay 33 above 331 until the opposition side that radial outside is downwards the air supply direction of cooling air tilts, be formed with respectively rake 311a, 331a.In addition,, in Fig. 8, in the surrounding of stator 10, be provided with resin material 15, but also can omit resin material 15.Like this, by 311,331 rake 311a, 331a being set in plectane portion 31 with above stay 33 respectively, thereby in the situation that cutting fluid mist of oil immerses rotor 20(cylindrical portion 22, permanet magnet 25) with the gap 16b of plectane portion 31, this cutting fluid mist of oil is discharged along rake 311a, 331a radius vector direction outside, can prevent that cutting fluid mist of oil from adhering to gap 16b.
For than blade 23, be configured in than the air supply direction of cooling air more by the structure of the stay 33 of upstream side, except above-mentioned, also consider to have various structures.Fig. 9 means the wherein stereogram (from the figure of oblique beneath) of the fan motor 110,120 of an example.In addition,, in Fig. 9, omit the diagram of a part of housing 30.As shown in Figure 9,332 direction (short side direction) inclinations up and down on whole radical length below of stay 33, the section shape shape triangular in shape of the short side direction of stay 33.Thus, the mobile of air in 332 below of stay 33 becomes smoothly, can improve the air quantity characteristic of fan motor 110,120.
In addition, in above-mentioned execution mode (Figure 1A, Figure 1B), on the top of radiator 101, configure the first fan motor 110, but the structure of device 100 is not limited to this.Figure 10 A, Figure 10 B mean the figure of the variation of Figure 1A, Figure 1B.In Figure 10 A, Figure 10 B, in the bottom surfaces of radiator 101, to air entry 105, dispose the first fan motor 110.According to this structure, the air being sucked by the first fan motor 110, by radiator 101, is discharged from exhaust outlet 106.In any one structure of Figure 1A, Figure 1B and Figure 10 A, Figure 10 B, make axis L0 towards vertical direction, and compare stay 33 with blade 23 and be disposed at below, so can prevent that cutting fluid mist of oil is because gravity immerses bearing 36.
Figure 11 A, 11B mean the figure of other variation of Figure 1A, Figure 1B.In Figure 11 A, 11B, in the side of radiator 101, be provided with air entry 105, in top and bottom, be provided with exhaust outlet 106, the first fan motors 110 and towards air entry 105, be disposed at the sidepiece of radiator 101.That is, the axis L0 of fan motor 110 extends in the horizontal direction.According to this, form, the air being sucked by the first fan motor 110 up and below flow through in radiator 101, from upper and lower exhaust outlet 106, discharge respectively.As shown in Figure 11 A, 11B, in the situation that the side of radiator 101 arranges fan motor 110, can suppress from the suction of the rubbish on ground or from top falling to the rubbish of fan motor 110.In addition, also can make axis L0 beyond vertical direction and horizontal direction, be that tilted direction configures fan motor 110.
Above-mentioned execution mode and variation can also be deformed into variety of way.For example, in Fig. 7, use resin material 15 covering stators 10 and printed circuit board (PCB) 34 around, but also can only cover a side wherein with resin material 15.In Fig. 8, the rake 311a, the 331a that to the opposition side of the air supply direction of cooling air, tilt are set the plectane portion 31 of housing 30 and stay 33 both sides, but also can be only therein a side rake is set.In Fig. 9, the face 332 of the stay 33 in the air supply direction upstream side of cooling air is arranged obliquely with respect to axis L0, make stay 33 be section triangle, but also can be section trapezoidal shape.Plectane portion 31 at housing 30 arranges the accommodation section 31a(Fig. 3 that holds printed circuit board (PCB) 34), but also can omit it.
In the above-described embodiment, the first fan motor 110 and the second fan motor 120 are formed in the same manner, but also can adopt the structure differing from one another.Also can omit any one party (for example the second fan motor 120) of the first fan motor 110 and the second fan motor 120 and carry out constituent apparatus 100.In the above-described embodiment, by radiator 101, form the path AP that cooling air that the driving by the first fan motor 110 produces passes through, but path forms the structure of parts, be not limited to this.In the above-described embodiment, make the electronic device of the drive motor of control or lathe be contained in the cooling electronic device 103 of cooling air of the radiator 101 of being flowed through, but the parts that are cooled can be parts arbitrarily.
In the above-described embodiment, by fan motor 110,120 for cooling settings in the device 100 of the electronic device 103 of robot or lathe, but fan motor of the present invention and the device with fan motor also can be applied to other equipment in the same manner.Also can blow cooling air gas in addition to fan motor, via blade 23 and the gas that axis L0 blows abreast, be not limited to cooling air.
Also can at random combine one or more of above-mentioned execution mode and variation.
According to the present invention, than the blade of fan motor, more by air supply direction upstream side, configuring the stay of fan motor, so it is inner to prevent that the floating thing conflicting with stay from immersing motor, can prevent the adhesion of the floating thing of motor inside.
Above, by the present invention's execution mode best with it associated be illustrated, but those skilled in the art are to be appreciated that, within not departing from the open scope of claim scope, can carry out various corrections and change.
Claims (8)
1. a fan motor, is characterized in that,
Possess: the stator (10) with spiral (12);
Rotor (20), it has the cylindrical portion (22) of the surrounding that is disposed at described stator and from the outer peripheral face of this cylindrical portion to a plurality of blades (23) of the outstanding circumferencial direction arranging radially, and rotation centered by axis (L0), via described blade with described axis blow gas abreast; And
Housing (30), its have the side that is disposed at described stator plectane portion (31), be disposed at the sleeve part (32) of the surrounding of described blade and from the peripheral edge portion of described plectane portion to radially extending and connect in the side of described blade many bracing bars (33) of the circumferencial direction of described plectane portion and described sleeve part
Described stay configuration is in more leaning on the upstream side of the air supply direction of gas than described blade.
2. fan motor according to claim 1, is characterized in that,
Also possess the printed circuit board (PCB) (34) that the electronic device of controlling the electric current of supplying with to described spiral is installed,
Described plectane portion has the accommodation section (31a) that holds described printed circuit board (PCB).
3. fan motor according to claim 2, is characterized in that,
At least one party's of described stator and described printed circuit board (PCB) surrounding is covered by resin material (15).
4. according to the fan motor described in claim 1～3 any one, it is characterized in that,
At least one party of described plectane portion and described stay has until rake (311a, 331a) radial outside, that tilt to the opposition side of the air supply direction of gas.
5. according to the fan motor described in claim 1～4 any one, it is characterized in that,
The face of the upstream side of described stay (332) tilts with respect to described axis.
6. a device with fan motor, is characterized in that, has:
Fan motor described in claim 1～5 any one (110,120);
The path of the path (AP) that the cooling air that formation is produced by the driving of described fan motor passes through forms parts (101); And
Be passed the cooling parts that are cooled (103) of cooling air of described path.
7. the device with fan motor according to claim 6, is characterized in that,
The described parts that are cooled are electronic devices of the drive motor of control or lathe.
8. according to the device with fan motor described in claim 6 or 7, it is characterized in that,
Described fan motor so that described axis towards vertical direction and the mode of described stay in downside configured.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013005602A JP2014136997A (en) | 2013-01-16 | 2013-01-16 | Fan motor having dust adhesion prevention function and device including fan motor |
| JP2013-005602 | 2013-01-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103929015A true CN103929015A (en) | 2014-07-16 |
Family
ID=51015158
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410020144.3A Pending CN103929015A (en) | 2013-01-16 | 2014-01-16 | Fan motor with anti-dirt sticking function and apparatus having fan motor |
| CN201420027344.7U Expired - Lifetime CN203774974U (en) | 2013-01-16 | 2014-01-16 | Fan motor and device with same |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420027344.7U Expired - Lifetime CN203774974U (en) | 2013-01-16 | 2014-01-16 | Fan motor and device with same |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20140199191A1 (en) |
| JP (1) | JP2014136997A (en) |
| CN (2) | CN103929015A (en) |
| DE (1) | DE102014000545A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425869A (en) * | 2017-02-15 | 2018-08-21 | 发那科株式会社 | Fan unit, the manufacturing method of fan unit and motor drive |
| CN113107430A (en) * | 2021-04-22 | 2021-07-13 | 大庆山勃电器有限公司 | Intelligent variable frequency control device and process for optimal stroke frequency of oil pumping unit |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6207870B2 (en) * | 2013-04-17 | 2017-10-04 | 山洋電気株式会社 | Fan motor |
| JP2016215343A (en) * | 2015-05-22 | 2016-12-22 | ファナック株式会社 | Machine tool having cleaning means |
| JP6514168B2 (en) * | 2016-09-23 | 2019-05-15 | ファナック株式会社 | Cooling system |
| JP7305403B2 (en) * | 2019-03-29 | 2023-07-10 | 住友重機械工業株式会社 | Injection molding machine, control panel and cooling unit |
| CN111538386B (en) * | 2020-04-27 | 2022-01-11 | 深圳市智微智能软件开发有限公司 | High-safety computer case capable of regularly and automatically removing dust and using method thereof |
| US20240146215A1 (en) | 2021-04-27 | 2024-05-02 | Fanuc Corporation | Motor drive device comprising fan motor and method for controlling motor drive device |
| JP7481597B1 (en) | 2023-10-12 | 2024-05-10 | ファナック株式会社 | Motor Drive Unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0226800U (en) * | 1988-08-05 | 1990-02-21 | ||
| JP3132104B2 (en) * | 1991-11-25 | 2001-02-05 | 松下電器産業株式会社 | Commutatorless DC axial fan motor |
| JP4716065B2 (en) * | 2000-06-21 | 2011-07-06 | ミネベア株式会社 | Axial blower |
| TW523652B (en) * | 2001-08-01 | 2003-03-11 | Delta Electronics Inc | Combination fan and applied fan frame structure |
| US6561762B1 (en) * | 2001-11-14 | 2003-05-13 | Sunonwealth Electric Machine Industry Co., Ltd. | Housing structure of a fan |
| JP2003174275A (en) * | 2001-12-04 | 2003-06-20 | Fuji Heavy Ind Ltd | Control panel of machine tool |
| JP2003269395A (en) * | 2002-01-09 | 2003-09-25 | Hitachi Ltd | Axial fan |
| TWI220919B (en) * | 2003-07-31 | 2004-09-11 | Sunonwealth Electr Mach Ind Co | Airflow guiding structure for a heat dissipating fan |
| TWI262251B (en) * | 2004-06-30 | 2006-09-21 | Delta Electronics Inc | Fan frame |
| TWI298092B (en) * | 2005-08-12 | 2008-06-21 | Delta Electronics Inc | Fan and blade thereof |
| TWI280322B (en) * | 2005-12-23 | 2007-05-01 | Delta Electronics Inc | Fan and motor thereof |
| JP3904595B1 (en) * | 2006-11-08 | 2007-04-11 | 山洋電気株式会社 | Counter-rotating axial fan |
| JP4775778B2 (en) | 2009-03-02 | 2011-09-21 | 株式会社安川電機 | Control device cooling device |
| TWI461607B (en) * | 2011-12-07 | 2014-11-21 | Delta Electronics Inc | Air-extracting type heat dissipating apparatus |
-
2013
- 2013-01-16 JP JP2013005602A patent/JP2014136997A/en active Pending
-
2014
- 2014-01-15 US US14/155,635 patent/US20140199191A1/en not_active Abandoned
- 2014-01-15 DE DE201410000545 patent/DE102014000545A1/en not_active Withdrawn
- 2014-01-16 CN CN201410020144.3A patent/CN103929015A/en active Pending
- 2014-01-16 CN CN201420027344.7U patent/CN203774974U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425869A (en) * | 2017-02-15 | 2018-08-21 | 发那科株式会社 | Fan unit, the manufacturing method of fan unit and motor drive |
| CN113107430A (en) * | 2021-04-22 | 2021-07-13 | 大庆山勃电器有限公司 | Intelligent variable frequency control device and process for optimal stroke frequency of oil pumping unit |
| CN113107430B (en) * | 2021-04-22 | 2021-12-14 | 大庆山勃电器有限公司 | Intelligent variable frequency control device and process for optimal stroke frequency of oil pumping unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014136997A (en) | 2014-07-28 |
| CN203774974U (en) | 2014-08-13 |
| DE102014000545A1 (en) | 2014-07-17 |
| US20140199191A1 (en) | 2014-07-17 |
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Application publication date: 20140716 |