EP2884111A1 - Axialstromlüfter und serieller Axialstromlüfter - Google Patents
Axialstromlüfter und serieller Axialstromlüfter Download PDFInfo
- Publication number
- EP2884111A1 EP2884111A1 EP14196814.9A EP14196814A EP2884111A1 EP 2884111 A1 EP2884111 A1 EP 2884111A1 EP 14196814 A EP14196814 A EP 14196814A EP 2884111 A1 EP2884111 A1 EP 2884111A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- axial flow
- flow fan
- frame
- casing
- hub
- 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.)
- Withdrawn
Links
- 238000004804 winding Methods 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 description 7
- 239000002184 metal Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- F04D19/00—Axial-flow pumps
- F04D19/007—Axial-flow pumps multistage fans
-
- 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
- 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
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
-
- 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
- F04D29/403—Casings; Connections of working fluid especially adapted for elastic fluid pumps
-
- 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
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
Definitions
- the present disclosure relates to an axial flow fan and a series axial flow fan.
- An axial flow fan has a rotary motor as a rotary driving device, an impeller mounted to the rotating shaft of the rotary motor and having a plurality of rotor blades, and a cylindrical casing forming an axial flow together with the impeller.
- a high cooling performance can be obtained by increasing the rotating speed of the impeller.
- the increase in the rotating speed of the impeller causes a larger individual vibration produced by the axial flow fan. This is because the vibration generated by the rotation of the rotor is transferred to the casing via a bearing support part (a bushing) and a frame having a frame hub and thus the individual vibration of the axial flow fan increases.
- the axial flow fan motor has a propeller that rotates to generate an airflow, a motor that drives the propeller, a venturi bottom to which the motor is fixed, and a venturi.
- the venturi is provided so as to have a gap to the outer circumference of the propeller.
- the venturi has an outer frame having a substantially square outer circumference and a bell-mouth having a substantially cylindrical inner circumference.
- the venturi bottom is connected to the outer frame via a leg part. A plurality of openings is formed in the venturi bottom (see, for example, JP-A-2006-161688 ).
- the known fan in the same art has an impeller that rotates on a center axis, a motor unit that causes the impeller to rotate, a motor support part that supports the motor unit, and a housing that accommodates the impeller and the motor unit therein.
- the motor support part has a substantially disk-shaped base part and a substantially cylindrical bearing holding part axially extending with the center axis as the center.
- the whole or a part of the motor support part (at least the base part) is made of a resin.
- On the surface of the base part a plurality of recess parts are axially recessed and formed in a mesh pattern.
- the flat part other than the recess parts of the base part does not include a continuous portion in a radial direction extending from the center of the base part in a radial manner (see, for example, JP-A-2012-184748 ).
- An axial flow fan includes: a casing defining a wind tunnel; a frame having a plurality of spokes extended from the casing to the center in the radial direction of the casing so as to be across the wind tunnel, and a frame hub connecting the plurality of spokes at the center in the radial direction of the casing; a stator supported by the frame hub, in which a winding is wounded around the stator; a rotor pivotally supported by the frame hub in a rotatable manner and having a permanent magnet; an impeller fixed to the rotor and having a plurality of rotor blades; and a step part formed in at least one surface of the frame hub.
- a plurality of openings is formed in the venturi bottom (the frame hub).
- forming a plurality of openings to the frame hub results in reduction in the strength of the frame hub. This has no small influence on the airflow at the exhaust side.
- a plurality of recess parts recessed in the axial direction is formed in a mesh pattern on the surface of the base part (the frame hub).
- the frame hub is made of metal, it is difficult to form the recess parts in a mesh pattern on the surface of the frame hub.
- One of the purposes of the present disclosure is to provide the following axial flow fan and series axial flow fan. That is, these axial flow fan and series axial flow fan have simple structure and are able to reduce the individual vibration of the axial flow fan and series axial flow fan even when the rotating speed of the impeller is high, while suppressing the reduction in the strength of the frame hub and the affection on the airflow at the exhaust side.
- the axial flow fan according to one embodiment of the present disclosure has a casing, a frame, a stator, a rotor, and an impeller.
- the casing defines a wind tunnel.
- the frame has a plurality of spokes and a frame hub. Each spoke is extended from the casing to the center part in the radial direction of the casing so as to be across the wind tunnel.
- the frame hub connects the plurality of spokes at the center part in the radial direction of the casing.
- the stator is supported by the frame hub. A winding is wounded around the stator.
- the rotor is pivotally supported by the frame hub in a rotatable manner and has a permanent magnet.
- the impeller is fixed to the rotor and has a plurality of rotor blades.
- a step part is formed in at least one surface of the frame hub.
- the step part is formed in at least one surface of the frame hub. This step part attenuates the vibration transferred to the frame hub. As a result, this allows for the suppression of the transfer of the vibration to, for example, the casing via the frame hub.
- the present axial flow fan has simple structure and allows for the reduction in the vibration even when the rotating speed of the impeller is high, while suppressing the reduction in the strength of the frame hub and the affection on the airflow at the exhaust side.
- the step part is formed in at least one surface of the frame hub of the frame.
- FIG. 1 is a sectional view of the upper half part of the axial flow fan of the present embodiment.
- FIG. 2 is an inside front view of the frame of the axial flow fan of the present embodiment.
- FIG. 3 is a sectional view of the upper half part of the frame of the axial flow fan of the present embodiment.
- the axial flow fan is a blowing apparatus that is adapted to suck the air from one side in the axial direction of the rotating shaft and discharge the air to the other side in the axial direction by the rotation of the impeller fixed to the rotating shaft of the rotary motor.
- an axial flow fan 200 has an impeller 10 fixed to a rotating shaft 1, and a cylindrical casing 2.
- the casing 2 surrounds the outer circumference of the impeller 10 in the radial direction.
- the impeller 10 has a substantially cup-shaped hub 11 at the center.
- the impeller 10 has a plurality of rotor blades 13 on the outer circumference of the hub 11.
- the hub 11 is fixed to the rotating shaft 1 via a socket 12.
- a rotary motor 100 is disposed as a rotary driving apparatus for the impeller 10.
- the rotary motor 100 of the present embodiment is provided by, for example, an outer-rotor type brushless motor.
- the rotary motor 100 has an inside stator 120 and an outside rotor 110.
- the inside stator 120 is an armature having a winding 20.
- the outside rotor 110 is an excitation part having a permanent magnet 30 disposed on the outer circumference of the inside stator 120.
- the plurality of rotor blades 13 is mounted to the circumference of the hub 11 of the impeller 10 in a radial manner. Each rotor blade 13 is provided so as to be inclined with respect to the axial direction of the rotating shaft 1.
- the impeller 10 generates an airflow between the rotor blades 13 and the casing 2 by the rotation of the impeller 10.
- the rotor blades 13 are formed in such a shape and structure that generates the airflow from the hub 11 side of the impeller 10 to a frame hub 62 side.
- the rotor 110 has a substantially cup-like rotor yoke 41, the rotating shaft 1, the permanent magnet 30, and the like.
- the rotating shaft 1 is press-fitted to the center part of the rotor yoke 41 by the socket 12.
- the rotor yoke 41 is fitted into the hub 11.
- the permanent magnet 30 is fixed to the inner circumference surface along the axial direction of the rotor yoke 41.
- the rotor yoke 41 has a function of closing the line of magnetic force from the excitation part (the outside rotor 110) to maximize the electromagnetic induction effect of the permanent magnet 30.
- composition material of the rotor yoke 41 an iron-base magnetic material such as an SC material is used, for example.
- SC material an iron-base magnetic material
- the composition material of the rotor yoke 41 is not limited to the exemplified material.
- the rotating shaft 1 is rotatably supported by a bearing 16.
- the bearing 16 is fixed to the inner surface of a cylindrical bearing support part (a bushing) 63.
- the bearing support part 63 is fixed to the center of the frame hub 62.
- the frame hub 62 has a substantially cup-like shape and forms a base part of the stator 120.
- the frame hub 62 is arranged at one side in the axial direction of the rotating shaft 1.
- the hub 11 of the impeller 10 is located at the opposite side of the frame hub 62 in the axial direction (the other side in the axial direction) of the rotating shaft 1.
- the stator 120 has a stator stack 50, the winding 20, and the like.
- the stator stack 50 is fixed to the outer surface of the bearing support part 63.
- the stator stack 50 is formed by stacking a plurality of thin metal sheets in the thickness direction of the sheet, in which each of the thin metal sheets has a substantially ring-like shape.
- the composition material of the metal sheets of the stator stack 50 may be a silicon steel sheet, for example, for having both good performance and cost.
- the metal sheets of the stator stack 50 are stacked by a mechanical pressure-welding, for example.
- An insulator 52 is provided recessed in the stator stack 50.
- a slot 53 as a recess part is defined in the insulator 52.
- the slot 53 is disposed substantially evenly in the circumferential direction of the stator stack 50. The winding 20 wound around the stator stack 50 is accommodated in the slot 53.
- the frame hub 62 supports a circuit board (a printed board) 70. Wiring patterns for controlling the axial flow fan 200 are formed on the circuit board 70.
- connection terminal 71 aggregates the connecting wires of the winding 20 and connects them to the circuit board 70.
- connection terminal 71 In the circuit board 70, a through hole 75 for inserting the connection terminal 71 therein is bored. The protrusion part of the connection terminal 71 inserted in the through hole 75 is soldered to the circuit board 70.
- the casing 2 defines a wind tunnel 5 that guides the airflow and defines an intake port 3 and an exhaust port 4 for the air at both ends.
- the casing 2 is integrally formed with a frame 60 having a flange part 64 (see FIG. 2 ).
- the flange part 64 of the present embodiment is formed in a rectangular shape. At four corners of the flange part 64, insertion holes 65 for mounting not-shown mounting screws therein are opened.
- the frame 60 has a plurality of spokes 61 and the frame hub 62.
- the spokes 61 are extended from the casing 2 to the center in the radial direction of the casing 2 so as to be across the wind tunnel 5.
- Each spoke 61 is formed bent in a wing shape in substantially the same direction for serving the rectifying function of the exhaust airflow.
- the spokes 61 are connected by the frame hub 62 at the center in the radial direction of the casing 2.
- the frame hub 62 is formed in a ring shape.
- An inner circumference part 62a and an outer circumference part 62b of the frame hub 62 are protruded.
- the bearing support part (the bushing) 63 is fitted into and fixed to the inner circumference part 62a of the frame hub 62.
- Step parts 66 are formed in at least one surface of the frame hub 62.
- two step parts 66 are formed in the inner bottom of the frame hub 62.
- the two step parts 66 are concentrically formed.
- step parts 66 are formed in the inner bottom of the frame hub 62 in the present embodiment, the number of the step parts 66 is determined depending on the diameter of the frame hub 62 and thus is not limited to two. Further, the step parts 66 may be formed in the outer surface of the frame hub 62 or both surfaces (that is, the outer surface and the inner bottom) without limited to the inner bottom of the frame hub 62.
- FIG. 4 is a perspective view of the series axial flow fan of the present embodiment.
- FIG. 5 is a left side view illustrating the appearance of the intake side of the series axial flow fan of the present embodiment.
- FIG. 6 is a right side view illustrating the appearance of the exhaust side of the series axial flow fan of the present embodiment.
- a series axial flow fan 300 of the present embodiment at least a first axial flow fan 201 and a second axial flow fan 202 are connected in series in the axial direction of the rotating shaft 1 of the rotary motor 100.
- the first axial flow fan 201 is arranged at the intake side, while the second axial flow fan 202 is arranged at the exhaust side. It is noted that, although two axial flow fans are connected in series in the present embodiment, three or more axial flow fans may be connected in series without limited to two.
- the length of the first axial flow fan 201 in the axial direction is set longer than that of the axial flow fan 202 in the axial direction.
- the frame 60 is arranged to the exhaust port of the first axial flow fan 201 arranged at the exhaust side (see FIG. 1 and FIG. 2 ).
- the rotor blades 13 of the first axial flow fan 201 (see FIG. 5 ), the frame 60 as a stator blade, and the rotor blades 13 of the second axial flow fan 202 (see FIG. 6 ) are sequentially arranged in the airflow direction within the cylindrical casings 2 connected in series. It is noted that the frame may be arranged at the exhaust side of the second axial flow fan 202.
- the first axial flow fan 201 and the second axial flow fan 202 have substantially the same structure except that the first axial flow fan 201 has the frame 60 serving as the stator blade.
- the first axial flow fan 201 may be of the same structure as the above-described axial flow fan 200.
- the second axial flow fan 202 may be of the same structure as the above-described axial flow fan 200 except the feature regarding the frame 60. Accordingly, the detailed description of the internal structure of the second axial flow fan 202 will be omitted.
- the positions in the axial direction of the rotor 110 and the stator 120 with the circuit board 70 are opposite to those in the first axial flow fan 201 (see FIG. 1 ).
- the orientation or the rotation direction of the rotor blades 13 is set so that the axial flow fans 201 and 202 connected in series form the continuous airflow having the same direction in spite of the reversed positions in the internal structure of the first axial flow fan 201 and the second axial flow fan 202 (see FIG. 5 and FIG. 6 ).
- two of the first axial flow fan 201 and the second axial flow fan 202 of the present embodiment are connected in series, for example, and assembled as the series axial flow fan (the series fan motor) 300.
- the series axial flow fan 300 is mounted to, for example, a housing of electronic equipment.
- the mounting screws are screwed through the insertion holes 65 of the intake side flange part 64a or the exhaust side flange part 64b of the casing 2.
- the intake side flange part 64a is attached to the fan attachment part on the housing inner surface of the server.
- the impeller 10 of the first axial flow fan 201 and the impeller 10 of the second axial flow fan 202 are rotated in the reverse directions, for example.
- the rotation of the impellers 10 of the first axial flow fan 201 and the second axial flow fan 202 causes air to be sucked from the intake port 3 of the first axial flow fan 201.
- the air sucked from the intake port 3 of the first axial flow fan 201 passes through the rotor blades 13 of the first axial flow fan, the frame 60 as the stator blade, and the rotor blades 13 of the second axial flow fan 202 in this order and is discharged from the exhaust port 4 of the second axial flow fan 202.
- the frame 60 of the axial flow fan 200 (201) of the present embodiment has a plurality of spokes 61.
- the spokes 61 are extended from the casing 2 to the center in the radial direction of the casing 2 so as to be across the wind tunnel 5.
- the spokes 61 are connected by the frame hub 62 at the center in the radial direction of the casing 2.
- the rotating shaft 1 of the rotor 110 is pivotally supported in a rotatable manner via the bearing support part (the bushing) 63 and the bearing 16 fixed to the frame hub 62.
- the impeller 10 is fixed to the rotor 110 and has the plurality of rotor blades 13.
- the attempt to achieve a high cooling performance by increasing the rotating speed of the impeller 10 causes the increased individual vibration generated by the axial flow fan 200. That is, the vibration caused by the rotation of the rotor 110 is transferred to the casing 2 via the bearing support part (the bushing) 63 and the frame 60 having the frame hub 62. This increases the individual vibration of the axial flow fan 200.
- the step parts 66 are formed in at least one surface of the frame hub 62. In the present embodiment, the step parts 66 are formed in the inner bottom of the frame hub 62. According to the axial flow fan 200 (201) of the present embodiment, the step parts 66 formed in the inner bottom of the frame hub 62 allow for the attenuation of the vibration transferred to the frame hub 62. Therefore, the vibration transferred to the frame hub 62 is unlikely to be transferred to the casing 2.
- the two step parts 66 are formed in the inner bottom of the frame hub 62 of the present embodiment. Since these two step parts 66 are concentrically formed, the vibration can be attenuated without unevenness.
- step parts 66 are formed in one surface of the frame hub 62 and thus are not openings. Therefore, the step parts 66 do not affect the airflow at the exhaust side. It is noted that the number of the step parts 66 is determined depending on the diameter of the frame hub 62.
- FIG. 7 is an inside front view of the frame of the axial flow fan of the comparison form.
- FIG. 8 is a sectional view of the upper half part of the frame of the axial flow fan of the comparison form.
- FIG. 9 is a diagram used for the illustration of the vibration reduction effect of the axial flow fan of the present embodiment.
- the inner bottom surface of a frame hub 462 of a frame 460 is formed flat.
- the surface of the frame hub 462 is also formed flat.
- the individual vibration was measured for both of the axial flow fan 200 of the present embodiment and the axial flow fan 400 of the comparison form.
- the measurement result is shown in FIG. 9 .
- the vibration reduction effect of approximately 50% was obtained compared to the axial flow fan (the comparison example) 400 of the comparison form.
- both surfaces of the frame hub 462 are flat.
- the vibration generated by the rotation of the rotor is easily transferred to the casing 2 via the bearing support part (the bushing) 463 and the frame 460 having the frame hub 462. This resulted in a larger individual vibration of the axial flow fan 400.
- the step parts 66 are formed in at least one surface of the frame hub 62. These step parts 66 allow for the attenuation of the vibration transferred to the frame hub from the rotor 110 via the bearing support part (the bushing) 63. As a result, the vibration is unlikely to be transferred to the casing 2.
- the axial flow fan 200 and the series axial flow fan 300 of the present embodiment have the simple structure and are able to reduce the individual vibration of the axial flow fan 200 and the series axial flow fan 300 even when the rotating speed of the impeller 10 is high, while suppressing the reduction in the strength of the frame hub 62 and the affection on the airflow at the exhaust side.
- the present disclosure can relate to the improvement of the frame structure of the axial flow fan in which the rotary motor is incorporated in the impeller having a plurality of rotor blades, and the frame structure of the series axial flow fan.
- the frame 60 of the axial flow fan 200 and the series axial flow fan 300 of the present embodiment has the simple structure and is able to reduce the individual vibration of the axial flow fan 200 and the series axial flow fan 300 even when the rotating speed of the impeller 10 is high, while suppressing the reduction in the strength of the frame hub 62 and the affection on the airflow at the exhaust side.
- the step part 66 may be expressed as a groove part or a ring-like groove part.
- Another purpose of the present disclosure is to provide the axial flow fan and the series axial flow fan having the frame with the simple structure that does not reduce the strength of the frame hub nor affect the airflow at the exhaust side and allows for the reduction of the individual vibration even under a high rotating speed.
- the axial flow fan of the embodiment of the present disclosure may be as follows.
- This axial flow fan has: a casing defining a wind tunnel; a frame having a plurality of spokes extended from the casing to the center in the radial direction of the casing so as to be across the wind tunnel, and a frame hub connecting the plurality of spokes at the center; a stator supported by the frame hub, in which a winding is wounded around the stator; a rotor pivotally supported by the frame hub in a rotatable manner and having a permanent magnet; and an impeller fixed to the rotor and having a plurality of rotor blades, wherein a step part is formed in at least one surface of the frame hub.
- the step part may be concentrically formed in the inner bottom surface of the frame hub.
- a plurality of the above-described axial flow fans may be connected in series in the axial direction of the rotating shaft of the rotor.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013257089A JP2015113781A (ja) | 2013-12-12 | 2013-12-12 | 軸流ファンおよび直列型軸流ファン |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2884111A1 true EP2884111A1 (de) | 2015-06-17 |
Family
ID=52021030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14196814.9A Withdrawn EP2884111A1 (de) | 2013-12-12 | 2014-12-08 | Axialstromlüfter und serieller Axialstromlüfter |
Country Status (5)
Country | Link |
---|---|
US (1) | US20150167678A1 (de) |
EP (1) | EP2884111A1 (de) |
JP (1) | JP2015113781A (de) |
CN (1) | CN104712574A (de) |
TW (1) | TW201529994A (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6608782B2 (ja) * | 2016-08-26 | 2019-11-20 | ミネベアミツミ株式会社 | 軸流ファン用羽根車及び軸流ファン |
CN108223412A (zh) * | 2016-12-22 | 2018-06-29 | 日本电产(东莞)有限公司 | 串联连接的轴流风扇 |
JP2018178802A (ja) * | 2017-04-07 | 2018-11-15 | 日本電産株式会社 | ファンモータ |
JP7394532B2 (ja) * | 2019-03-19 | 2023-12-08 | 山洋電気株式会社 | ブラシレスファンモータのモールド構造及びそのモールディング方法 |
CN115853827A (zh) * | 2021-09-24 | 2023-03-28 | 亚浩电子五金塑胶(惠州)有限公司 | 风扇组合及风扇组装方法 |
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JP2006161688A (ja) | 2004-12-07 | 2006-06-22 | Japan Servo Co Ltd | ファンモータ |
US20080101920A1 (en) * | 2006-10-27 | 2008-05-01 | Nidec Corporation | Fan unit |
CN101246755A (zh) * | 2007-02-12 | 2008-08-20 | 建凖电机工业股份有限公司 | 散热结构的底座 |
US20120051940A1 (en) * | 2010-08-25 | 2012-03-01 | Ching-Tang Liu | Waterproof Heat-Dissipating Fan |
JP2012184748A (ja) | 2011-03-08 | 2012-09-27 | Nippon Densan Corp | 送風ファン |
WO2013032923A2 (en) * | 2011-08-26 | 2013-03-07 | Robert Bosch Gmbh | Vibration isolating engine cooling fan |
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JPS56152898U (de) * | 1980-04-15 | 1981-11-16 | ||
JPS58106593U (ja) * | 1982-01-16 | 1983-07-20 | 株式会社東芝 | 横流フアン用防振機構 |
JP3879174B2 (ja) * | 1997-04-18 | 2007-02-07 | ダイキン工業株式会社 | 圧縮機 |
TW523652B (en) * | 2001-08-01 | 2003-03-11 | Delta Electronics Inc | Combination fan and applied fan frame structure |
US6616422B2 (en) * | 2001-10-09 | 2003-09-09 | Adda Corporation | Cooling fan dust structure for keeping off flying dust from entering into spindle |
TW200829142A (en) * | 2006-12-25 | 2008-07-01 | Sunonwealth Electr Mach Ind Co | Base design of cooling structure |
TWI556553B (zh) * | 2012-07-05 | 2016-11-01 | 佛山市建準電子有限公司 | 馬達減震基座 |
-
2013
- 2013-12-12 JP JP2013257089A patent/JP2015113781A/ja active Pending
-
2014
- 2014-12-02 CN CN201410721167.7A patent/CN104712574A/zh active Pending
- 2014-12-03 US US14/559,219 patent/US20150167678A1/en not_active Abandoned
- 2014-12-08 EP EP14196814.9A patent/EP2884111A1/de not_active Withdrawn
- 2014-12-11 TW TW103143300A patent/TW201529994A/zh unknown
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JP2006161688A (ja) | 2004-12-07 | 2006-06-22 | Japan Servo Co Ltd | ファンモータ |
US20080101920A1 (en) * | 2006-10-27 | 2008-05-01 | Nidec Corporation | Fan unit |
CN101246755A (zh) * | 2007-02-12 | 2008-08-20 | 建凖电机工业股份有限公司 | 散热结构的底座 |
US20120051940A1 (en) * | 2010-08-25 | 2012-03-01 | Ching-Tang Liu | Waterproof Heat-Dissipating Fan |
JP2012184748A (ja) | 2011-03-08 | 2012-09-27 | Nippon Densan Corp | 送風ファン |
WO2013032923A2 (en) * | 2011-08-26 | 2013-03-07 | Robert Bosch Gmbh | Vibration isolating engine cooling fan |
Also Published As
Publication number | Publication date |
---|---|
US20150167678A1 (en) | 2015-06-18 |
CN104712574A (zh) | 2015-06-17 |
JP2015113781A (ja) | 2015-06-22 |
TW201529994A (zh) | 2015-08-01 |
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