CN105375687A - Electric fan and eletric dust cleaner using the same - Google Patents
Electric fan and eletric dust cleaner using the same Download PDFInfo
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- CN105375687A CN105375687A CN201510231061.3A CN201510231061A CN105375687A CN 105375687 A CN105375687 A CN 105375687A CN 201510231061 A CN201510231061 A CN 201510231061A CN 105375687 A CN105375687 A CN 105375687A
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- electric blower
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Abstract
The invention provides an electric fan and an eletric dust cleaner using the same. The eletric fan comprises an excitation assembly and an armature assembly. The excitation assembly includes an excitation core, an excitation winding wound on a bobbin on two end surfaces of the excitation core, and a terminal seat for inserting a power supply terminal. The armature assembly is configured on the inner side of the excitation assembly and has an output shaft at the center. The eletric fan also comprises an end cover in a cylindrical shape, a rotational fan fixed on the output shaft, and a diffuser with a plurality of fixed wings. Besides, the power supply terminal and the terminal seat are arranged on the end surface of the excitation core near the rotational fan. An opening for discharging the air sucked by the rotational fan is arranged in the end cover near the power supply terminal. A wall surface part for reducing the path cross section of the opening is arranged on the bobbin.
Description
Technical field
The present invention relates to the electric blower and electric dust collector that use in electric dust collector etc.
Background technology
In the past, as the structure of common electric blower, propose the electric blower (for example, referring to Japanese Unexamined Patent Publication 2009-261057 publication) shown in a kind of Fig. 8.Fig. 8 is the half sectional view of the structure of the electric blower represented in the past.
As shown in Figure 8, electric blower 101 in the past comprises motor 102, rotary fan 104, diffuser 106 and fan guard 108.Rotary fan 104 is located at one end of output shaft, the i.e. axle 103 of motor 102, has multiple blade.Diffuser 106 is positioned at the periphery of rotary fan 104, has multiple fixed-wing 105 for carrying out rectification to the wind bloated by rotary fan 104.Fan guard 108 covers rotary fan 104 and diffuser 106.Further, fan guard 108 has air inlet 107 in central authorities.
The armature assembly 118 that motor 102 comprises excitation assembly 114 and is configured in inside excitation assembly 114.
First, the structure of excitation assembly 114 is described.The field core 109 formed at stacked polylith electromagnetic steel plate is provided with bobbin 110, and this bobbin 110 is the pedestal reeled for winding excitation winding 111 and the insulating material between field core 109 and excitation winding 111.Bobbin 110 is wound with excitation winding 111.One end of excitation winding 111 is connected with carbon brush (not shown), and the other end is connected with power supply terminal 112.Power supply terminal 112 is inserted in the terminal base 113 that bobbin 110 possesses.
Then, the structure of armature assembly 118 is described.Armature core 116 is configured in the inner side of excitation assembly 114, and, armature winding 115 is accommodated in groove (not shown).And armature core 116 comprises laminated iron core.Armature assembly 118 the central authorities of armature core 116 comprise as output shaft axle 103 and be located at the commutator 117 of axle 103 one end.
Excitation assembly 114 is pressed into make the mode that power supply terminal 112 side is rotary fan 104 side and is fixed on the inwall of the roughly cylindric end cap 119 with flange part 119a.Armature assembly 118 is held in end cap 119 in the mode that can rotate freely by bearing 120.
In addition, be provided with exhaust outlet 121,122 at end cap 109, this exhaust outlet 121,122 becomes the outlet being sucked the air come from air inlet 107.Lean on the exhaust outlet of the side contrary with rotary fan 104 as downstream row gas port 121 using being located at than field core 109.
In this past case, need openning, to be powered by the connection between power supply terminal 112 and outside lead (not shown) etc.Therefore, near power supply terminal 112, peristome is being provided with than field core 109 by the position of rotary fan 104 side.Using this peristome as upstream row gas port 122.
The action of the electric blower in the past formed as above as described below.
When electric blower 101 entry into service, apply voltage from power supply terminal 112 pairs of motor 102.Afterwards, be energized by the order of excitation winding 111, carbon brush (not shown), commutator 117, armature winding 115.So under the effect in the magnetic field of the magnetic field produced by excitation winding 111 and armature winding 115, the position of rotation of armature assembly 118 changes.Even if the position of rotation being configured to armature assembly 118 changes, commutator 117 also contacts all the time with carbon brush.Therefore, it is possible to continue to be energized to armature winding 115, make motor 102 carry out work and make armature assembly 118 continue to rotate.
The rotary fan 104 being linked to axle 103 rotates in linkage with the work of this motor 102.So under the effect of the centrifugal force produced in the turning effort because of rotary fan, rotary fan 104 inside becomes negative pressure and withdrawing air for external pressure.The air be sucked enters in electric blower 101 via the air inlet 107 of fan guard 108.Afterwards, the air be sucked cools excitation assembly 114, armature assembly 118, carbon brush and bearing 120 etc. via end cap 119 inside of rotary fan 104, diffuser 106, motor 102, and the last outside being discharged to electric blower 101 from downstream row gas port 121.
In addition, portion of air is directly discharged to the outside of electric blower 101 from upstream row gas port 122 via rotary fan 104, diffuser 106.
For described electric blower in the past, fasten consideration from the pass of intensity, end cap more than 119 is formed by metal material.Therefore, need power supply terminal 112 is insulated with the end cap 119 formed by metal.Therefore, power supply terminal 112 and end cap 119 must be configured in the mode of spaced predetermined distance.Thus, the aperture area of the peristome, i.e. the upstream row gas port 122 that increase near power supply terminal 112 is needed.
Thus, be sucked the air come by the rotation of rotary fan 104 to be just discharged from upstream row gas port 122 before the excitation winding 111 to heating, armature winding 115, carbon brush, commutator 117 and bearing 120 etc. cool.Thus, likely because of the temperature in each portion rise, the circularity of the premature abrasion of carbon brush, commutator 117 worsen and bearing 120 lubricating oil deterioration and cause life of product to shorten.
Summary of the invention
The present invention makes in view of above problem points, its object is to provide a kind of temperature that reduces to rise and the electric blower and the electric dust collector that improve reliability.
The electric blower of a certain execution mode of the present invention comprises excitation assembly and armature assembly, and this excitation assembly comprises: field core; Excitation winding, it is wound on the bobbin installed in the both ends of the surface of field core; And terminal base, it is configured on bobbin, and insert for the power supply terminal be connected with the end of excitation winding, this armature assembly is configured in the inner side of field core, and has output shaft in central authorities.And electric blower also comprises: end cap, it is roughly cylindric, for receiving excitation assembly and armature assembly; Rotary fan, it is fixed on output shaft; And diffuser, its peripheral direction along rotary fan configures, and has multiple fixed-wing.And, power supply terminal and terminal base are disposed in the end face by rotary fan side of field core, be formed at the position be near power supply terminal of end cap for discharging the peristome being aspirated the air come by rotary fan, bobbin is provided with the wall portion of the passage sections for reducing peristome.
Thus, from the discharge rate minimizing of the air that peristome is discharged, increase for the air capacity cooling the heat generating components of electric blower inside.Its result, can reduce the risk of the unit exception caused by temperature.
The electric blower of another embodiment of the present invention comprises excitation assembly and armature assembly, and this excitation assembly comprises: field core; Excitation winding, it is wound on the bobbin installed in the both ends of the surface of field core; And terminal base, it is configured on bobbin, and insert for the power supply terminal be connected with the end of excitation winding, this armature assembly is configured in the inner side of field core, and has output shaft in central authorities.And electric blower also comprises: end cap, it is roughly cylindric, for receiving excitation assembly and armature assembly; Rotary fan, it is fixed on output shaft; And diffuser, its peripheral direction along rotary fan configures, and has multiple fixed-wing.And, power supply terminal and terminal base are disposed in the end face by rotary fan side of field core, be formed for discharging the peristome being aspirated the air come by rotary fan at the position be near power supply terminal of end cap, multiple fixed-wings in fixed-wing form closed path, aspirate by rotary fan the air come to flow in this closed path, peristome is configured in closed path.
Thus, from the discharge rate minimizing of the air that peristome is discharged, increase for the air capacity cooling the heat generating components of electric blower inside.Its result, can reduce the risk of the unit exception caused by temperature.
Electric dust collector of the present invention uses described electric blower, therefore, it is possible to realize high reliability and long-life electric dust collector.
As previously discussed, electric blower of the present invention can improve cooling effect and improve reliability, by this electric blower is equipped on electric dust collector, can provide the electric dust collector that reliability is high.
Accompanying drawing explanation
Fig. 1 is the half sectional view of the electric blower of embodiments of the present invention 1.
Fig. 2 is the outside drawing of the electric blower of embodiments of the present invention 1.
Fig. 3 is the enlarged drawing of the vicinity of the power supply terminal of same electric blower.
Fig. 4 is the excitation assembly of same electric blower and the cut-away view of end cap.
Fig. 5 is the excitation assembly of the electric blower of embodiments of the present invention 2 and the cut-away view of end cap.
Fig. 6 is the cut-away view of the excitation assembly of the electric blower of embodiments of the present invention 3, end cap and diffuser.
Fig. 7 is the outside drawing of the electric dust collector of embodiments of the present invention 4.
Fig. 8 is the half sectional view of electric blower in the past.
Embodiment
Hereinafter, with reference to the accompanying drawings of embodiments of the present invention.Wherein, the present invention is not limited by this execution mode.
(execution mode 1)
Fig. 1 is the half sectional view of the electric blower of embodiments of the present invention 1.Fig. 2 is the outside drawing of the electric blower of embodiments of the present invention 1.Fig. 3 is the enlarged drawing of the vicinity of the power supply terminal of same electric blower.Fig. 4 is the excitation assembly of same electric blower and the cut-away view of end cap.
In Fig. 1 ~ Fig. 4, the electric blower 1 in present embodiment comprises motor 2, rotary fan 4, diffuser 6 and fan guard 8.Rotary fan 4 is located at one end of output shaft, the i.e. axle 3 of motor 2, has multiple blade.Diffuser 6 is positioned at the periphery of rotary fan 4, comprises multiple fixed-wing 5 for carrying out rectification to the wind bloated by rotary fan 4.Fan guard 8 covers rotary fan 4 and diffuser 6.Further, fan guard 8 has air inlet 7 in central authorities.
The armature assembly 18 that motor 2 comprises excitation assembly 14 and is configured in inside excitation assembly 14.
First, the structure of excitation assembly 14 is described.The field core 9 formed at stacked polylith electromagnetic steel plate is provided with bobbin 10, and this bobbin 10 is the pedestal reeled for excitation winding 11 and the insulating material between field core 9 and excitation winding 11.Bobbin 10 is wound with excitation winding 11.One end of excitation winding 11 is connected with carbon brush (not shown), and the other end is connected with power supply terminal 12.Power supply terminal 12 is inserted in the terminal base 13 that bobbin 10 possesses.
Then, the structure of armature assembly 18 is described.Armature core 16 is configured in the inner side of excitation assembly 14, and, armature winding 15 is accommodated in groove (not shown).And armature core 16 is made up of laminated iron core.Armature assembly 18 the central authorities of armature core 16 comprise as output shaft axle 3 and be located at the commutator 17 of axle 3 one end.
Excitation assembly 14 is pressed into make the mode that power supply terminal 12 side is rotary fan 4 side and is fixed on the inwall of the roughly cylindric end cap 19 with flange part 19a.Armature assembly 18 is held in end cap 19 in the mode that can rotate freely by bearing 20.
In addition, be provided with exhaust outlet 21,22 at end cap 19, this exhaust outlet 21,22 becomes the outlet being sucked the air come from air inlet 7.Lean on the exhaust outlet of the side contrary with rotary fan as downstream row gas port 21 using being located at than field core 9.
In the present embodiment, need openning, to be powered by the connection between power supply terminal 12 and outside lead etc.Therefore, on end cap 19, near power supply terminal 12, be provided with peristome than field core 9 by the position of rotary fan 4 side.Using the peristome that is formed at around this power supply terminal 12 as upstream row gas port 22.In addition, in the electric blower 1 of present embodiment, near the terminal base 13 that bobbin 10 possesses, the wall portion 23 of the ventilation section for reducing upstream row gas port 22 is formed.
The action of the electric blower of the present embodiment formed as above, effect are as described below.
When making electric blower 1 operate, apply voltage from power supply terminal 12 pairs of motor 2.Afterwards, be energized by the order of excitation winding 11, carbon brush, commutator 17, armature winding 15.So under the effect in the magnetic field of the magnetic field produced by excitation winding 11 and armature winding 15, the position of rotation of armature assembly 18 changes.Even if the position of rotation being configured to armature assembly 18 changes, commutator 17 also contacts all the time with carbon brush.Therefore, it is possible to continue to be energized to armature winding 15, make motor 2 carry out work and continue to rotate to make armature assembly 18.
The rotary fan 4 being linked to axle 3 rotates in linkage with the work of this motor 2.So under the effect of the centrifugal force produced in the turning effort because of rotary fan 4, rotary fan 4 inside becomes negative pressure and withdrawing air for external pressure.
The air be sucked enters in electric blower 1 via the air inlet 7 of fan guard 8.Afterwards, the air be sucked cools excitation assembly 14, armature assembly 18, carbon brush and bearing 20 etc. via end cap 19 inside of rotary fan 4, diffuser 6, motor 2, and the last outside being discharged to electric blower 1 from downstream row gas port 21.
In addition, portion of air is directly discharged to the outside of electric blower 1 from upstream row gas port 22 via rotary fan 4, diffuser 6.
Particularly, in the present embodiment, there is the wall portion 23 of the ventilation section for reducing upstream row gas port 22, thus the discharge rate of the air be discharged from upstream row gas port 22 is reduced.Thus, the air capacity for the heat generating components of cool motors 2 inside increases, thus can reduce the risk of the unit exception caused that to be risen by temperature.
In said embodiment, near the terminal base 13 of bobbin 10, be provided with wall portion 23, but also can arrange wall portion 23 integratedly in the side of terminal base 13 and this terminal base 13, the assembling of electric blower 1 becomes easy thus.
(execution mode 2)
Fig. 5 is the excitation assembly of the electric blower of embodiments of the present invention 2 and the cut-away view of end cap.Wherein, same Reference numeral is marked to the component parts identical with the electric blower of described execution mode 1, and omits its description.
As shown in Figure 5, in the electric blower 1 of present embodiment, the outstanding wall portion 24 outstanding towards the outside of end cap 19 from upstream row gas port 22 is located on bobbin 10.Other structures are identical with the electric blower of execution mode 1.
The electric blower of present embodiment as more than form, between power supply terminal 12 and upstream row gas port 22, be therefore separated with the insulant brought by outstanding wall portion 24.Thereby, it is possible to increase the electric insulation distance between power supply terminal 12 and the end face of upstream row gas port 22.In addition, due to outstanding wall portion 24, the aperture area of upstream row gas port 22 is reduced, and the discharge rate of the air of discharging from upstream row gas port 22 is reduced.Thus, the air capacity for the heat generating components of cool motors 2 inside increases, thus can reduce the risk of the unit exception caused that to be risen by temperature further.
(execution mode 3)
Fig. 6 is the cut-away view of the excitation assembly of the electric blower of embodiments of the present invention 3, end cap and diffuser.Wherein, same Reference numeral is marked to the component parts identical with the electric blower of described execution mode 1, and omits its description.
For the electric blower 1 of present embodiment, as shown in Figure 6, multiple fixed-wings 5 in multiple fixed-wings 5 of diffuser 6 form closed path 25, and being aspirated by rotary fan 4 air come cannot flow in this closed path 25, and upstream row gas port 22 is configured in closed path 25.Thus, become the structure being difficult to discharge air from upstream row gas port 22, thus the risk of the unit exception caused that to be risen by temperature can be reduced.
(execution mode 4)
Fig. 7 is the structure chart of the electric dust collector of embodiments of the present invention 4.Wherein, same Reference numeral is marked to the component parts identical with the electric blower of described execution mode, and omits its description.
In the figure 7, the electric dust collector of present embodiment comprises: main body of dust collector 50; Flexible pipe 51, it is communicated with main body of dust collector 50; Extension tube 52, it is communicated with one end of pipe 51; Operating grip 53, it is located at the end of extension tube 52; Floor inhalation apparatus 54, it is communicated with the other end of extension tube 52.Further, in main body of dust collector 50, being built-in with the electric blower 1 for generation of suction force, at the upstream side of electric blower 1, there is the dust storage chamber 55 for storing the dust that suction comes.Electric blower 1 uses the electric blower 1 shown in arbitrary execution mode in described execution mode 1 ~ 3.
The action of the electric dust collector of the present embodiment formed as above is described, when user holds operating grip 53 and makes electric dust collector entry into service, produce suction force by electric blower 1, suck dust from the floor inhalation apparatus 54 in floor surface movement.Be sucked come dust flow to dust storage chamber 55 together with air via extension tube 52, flexible pipe 51, in dust storage chamber 55 dust and air separated.Dust is stored in dust storage chamber 55, and only air is aspirated by electric blower 1.The air that electric blower 1 aspirates is inner through electric blower 1, and then it is outside to be discharged to main body of dust collector 50 through main body of dust collector 50 inside again.
As described above, to be equipped with cooling effectiveness due to inside high and make the electric blower 1 that the reliability of parts is high for the electric dust collector of present embodiment.Thus, the long lifetime of electric dust collector self can be realized.
As previously discussed, the electric blower 1 of the 1st technical scheme of the present invention comprises excitation assembly 14 and armature assembly 18, and this excitation assembly 14 comprises: field core 9; Excitation winding 11, it is wound on the bobbin 10 installed in the both ends of the surface of field core 9; And terminal base 13, it is configured on bobbin 10, and insert for the power supply terminal 12 be connected with the end of excitation winding 11, this armature assembly 18 is configured in the inner side of field core 9, and has output shaft 3 in central authorities.And electric blower 1 also comprises: end cap 19, it is roughly cylindric, for receiving excitation assembly 14 and armature assembly 18; Rotary fan 4, it is fixed on output shaft 3; And diffuser 6, its peripheral direction along rotary fan 4 configures, and has multiple fixed-wing 5.And, power supply terminal 12 and terminal base 13 are disposed in the end face by rotary fan 4 side of field core 9, be formed at the position be near power supply terminal 12 of end cap 19 for discharging the peristome 22 being aspirated the air come by rotary fan 4, bobbin 10 is provided with the wall portion 23 of the passage sections for reducing peristome 22.
Thus, from the discharge rate minimizing of the air that peristome 22 is discharged, increase for the air capacity cooling the heat generating components of electric blower inside.Thus, the risk of the unit exception caused that to be risen by temperature can be reduced.
The electric blower of the 2nd technical scheme is provided with wall portion 23 in the side of terminal base 13.
Thereby, it is possible to terminal base 13 and wall portion 23 are formed, therefore the assembling of electric blower becomes easy.
In the electric blower of the 3rd technical scheme, wall portion 23 comprises from the peristome 22 of the end cap 19 outstanding wall portion 24 outstanding towards the outside of end cap 19.
Thereby, it is possible to increase the electric insulation distance between power supply terminal 12 and the peristome 22 being located at end cap 19.Further, the aperture area of peristome 22 also diminishes, and therefore reduces further from the discharge rate of the air of peristome 22 discharge.Thus, the air capacity for the heat generating components of cool motors inside increases, and can reduce the risk of the unit exception caused by temperature further.
The electric blower of the 4th technical scheme comprises excitation assembly 14 and armature assembly 18, and this excitation assembly 14 comprises: field core 9; Excitation winding 11, it is wound on the bobbin 10 installed in the both ends of the surface of field core 9; And terminal base 13, it is configured on bobbin 10, and insert for the power supply terminal 12 be connected with the end of excitation winding 11, this armature assembly 18 is configured in the inner side of field core 9, and has output shaft 3 in central authorities.And electric blower also comprises: end cap 19, it is roughly cylindric, is accommodated with excitation assembly 14 and armature assembly 18; Rotary fan 4, it is fixed on output shaft 3; And diffuser 6, its peripheral direction along rotary fan 4 configures, and has multiple fixed-wing 5.And, power supply terminal 12 and terminal base 13 are disposed in the end face by rotary fan 4 side of field core 9, be formed for discharging the peristome 22 being aspirated the air come by rotary fan 4 at the position be near power supply terminal 12 of end cap 19, multiple fixed-wings 5 in fixed-wing 5 form closed path 25, aspirate by rotary fan 4 air come to flow in this closed path 25, peristome 22 is configured in closed path 25.
Thus, be difficult to discharge air from peristome 22, thus the risk of the unit exception caused that to be risen by temperature can be reduced.
Adopt the electric dust collector with the electric blower of described 1st technical scheme or the 4th technical scheme, can high reliability be realized and long-life electric dust collector.
As described above, the electric dust collector of electric blower of the present invention and this electric blower of use can seek the reliability improving electric blower, therefore can also be widely used in improving the reliability of the home-use electro-chemical equipment, industrial equipment etc. that use electric blower.
Claims (5)
1. an electric blower, this electric blower comprises:
Excitation assembly, it comprises: field core; Excitation winding, it is wound on the bobbin installed in the both ends of the surface of described field core; And terminal base, it is configured on described bobbin, inserts for the power supply terminal be connected with the end of described excitation winding;
Armature assembly, it is configured in the inner side of described field core, and has output shaft in central authorities;
End cap, it is roughly cylindric, for receiving described excitation assembly and described armature assembly;
Rotary fan, it is fixed on described output shaft; And
Diffuser, its peripheral direction along described rotary fan configures, and has multiple fixed-wing,
Wherein,
Described power supply terminal and described terminal base are disposed in the end face by described rotary fan side of described field core,
Be formed for discharging by the peristome of the next air of described rotary fan suction on described end cap and near described power supply terminal,
Described bobbin is provided with the wall portion of the passage sections for reducing described peristome.
2. electric blower according to claim 1, wherein,
Described wall portion is configured with in the side of described terminal base.
3. electric blower according to claim 1 and 2, wherein,
Be provided with in described wall portion from the peristome of the described end cap outstanding wall portion outstanding towards the outside of described end cap.
4. an electric blower, this electric blower comprises:
Excitation assembly, it comprises: field core; Excitation winding, it is wound on the bobbin installed in the both ends of the surface of described field core; And terminal base, it is configured on described bobbin, inserts for the power supply terminal be connected with the end of described excitation winding;
Armature assembly, it is configured in the inner side of described field core, and has output shaft in central authorities;
End cap, it is roughly cylindric, for receiving described excitation assembly and described armature assembly;
Rotary fan, it is fixed on described output shaft; And
Diffuser, its peripheral direction along described rotary fan configures, and has multiple fixed-wing,
Wherein,
Described power supply terminal and described terminal base are disposed in the end face by described rotary fan side of described field core,
Described end cap is formed with peristome near described power supply terminal, making described power supply terminal can be connected with outside lead,
Multiple fixed-wings in described fixed-wing form closed path, and aspirating by described rotary fan the air come cannot flow in this closed path, and described peristome is configured in described closed path.
5. an electric dust collector, wherein,
This electric dust collector uses the electric blower described in claim 1 or 4.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014167104A JP6375516B2 (en) | 2014-08-20 | 2014-08-20 | Electric blower and electric vacuum cleaner using it |
| JP2014-167104 | 2014-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105375687A true CN105375687A (en) | 2016-03-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510231061.3A Pending CN105375687A (en) | 2014-08-20 | 2015-05-08 | Electric fan and eletric dust cleaner using the same |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6375516B2 (en) |
| CN (1) | CN105375687A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730209A (en) * | 2017-04-20 | 2018-11-02 | 日立空调·家用电器株式会社 | Electric blower and the electric dust collector for being equipped with the electric blower |
| CN111868388A (en) * | 2018-03-23 | 2020-10-30 | 三菱电机株式会社 | Electric blower, electric vacuum cleaner, and hand dryer |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110165832A (en) * | 2018-06-25 | 2019-08-23 | 宁波洒哇地咔电器有限公司 | Electric machine structure and dust catcher |
| JP2023122994A (en) * | 2022-02-24 | 2023-09-05 | 日立グローバルライフソリューションズ株式会社 | Electric blower and electric vacuum cleaner using the same |
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| CN101349286A (en) * | 2007-07-19 | 2009-01-21 | 日立空调·家用电器株式会社 | Electric blowing fan and electric vacuum cleaner equipped therewith |
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| CN102777395A (en) * | 2011-05-11 | 2012-11-14 | 松下电器产业株式会社 | Electric air blower and electric dust collector using the same |
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| JP2004343914A (en) * | 2003-05-16 | 2004-12-02 | Matsushita Electric Ind Co Ltd | Motor-driven air blower |
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| JP5966154B2 (en) * | 2012-12-21 | 2016-08-10 | パナソニックＩｐマネジメント株式会社 | Electric blower and electric vacuum cleaner using the same |
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| CN101052810A (en) * | 2004-11-04 | 2007-10-10 | 松下电器产业株式会社 | Electric blower |
| CN101349286A (en) * | 2007-07-19 | 2009-01-21 | 日立空调·家用电器株式会社 | Electric blowing fan and electric vacuum cleaner equipped therewith |
| CN101608630A (en) * | 2008-06-17 | 2009-12-23 | 日立空调·家用电器株式会社 | Electric blower and possess the electric dust collector of this electric blower |
| CN103154527A (en) * | 2011-01-05 | 2013-06-12 | 松下电器产业株式会社 | Electric blower and electric cleaner with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108730209A (en) * | 2017-04-20 | 2018-11-02 | 日立空调·家用电器株式会社 | Electric blower and the electric dust collector for being equipped with the electric blower |
| CN108730209B (en) * | 2017-04-20 | 2022-12-27 | 日立环球生活方案株式会社 | Electric blower and electric dust collector mounted with the same |
| CN111868388A (en) * | 2018-03-23 | 2020-10-30 | 三菱电机株式会社 | Electric blower, electric vacuum cleaner, and hand dryer |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6375516B2 (en) | 2018-08-22 |
| JP2016044559A (en) | 2016-04-04 |
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Application publication date: 20160302 |
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