JP2001271796A - Motor-driven blower - Google Patents
Motor-driven blowerInfo
- Publication number
- JP2001271796A JP2001271796A JP2000083682A JP2000083682A JP2001271796A JP 2001271796 A JP2001271796 A JP 2001271796A JP 2000083682 A JP2000083682 A JP 2000083682A JP 2000083682 A JP2000083682 A JP 2000083682A JP 2001271796 A JP2001271796 A JP 2001271796A
- Authority
- JP
- Japan
- Prior art keywords
- motor
- rotor
- stator
- air
- fan
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/5826—Cooling at least part of the working fluid in a heat exchanger
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/22—Mountings for motor fan assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Motor Or Generator Cooling System (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Electric Suction Cleaners (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、電気掃除機等に
用いられる電動送風機に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric blower used for a vacuum cleaner or the like.
【０００２】[0002]
【従来の技術】図６は従来の電動送風機を示す半分断面
の側面図、図７は従来の電動送風機のブラケットを示す
平面図である。図において、１３は側面に排気口１３ａ
を有すると共に、中央部に軸受ハウジング１３ｂを有
し、固定子２と高速で回転する回転子３等を内包したモ
ータフレーム、１４はモータフレーム１３に固定され中
央部に軸受ハウジング１４ａを有すると共に、軸受ハウ
ジング１４ａの周囲に通気口１４ｂを有したブラケッ
ト、５は回転子３の軸６の両端に固定された軸受７をモ
ータフレーム１３及びブラケット１４の軸受ハウジング
１３ｂ、１４ａで支持したモータ、８は回転子３の軸６
に固定され回転子３と共に回転する送風ファン、９は送
風ファン８より吸引した空気をモータ部５へ導く案内羽
根、１０は送風ファン８と案内羽根９を覆い、ブラケッ
ト１４の外周部に圧入固定されたファンカバーである。
また、１１は固定子コイル、１２は回転子コイルであ
る。2. Description of the Related Art FIG. 6 is a half sectional side view showing a conventional electric blower, and FIG. 7 is a plan view showing a bracket of the conventional electric blower. In the figure, 13 is an exhaust port 13a on the side.
A motor frame 14 having a bearing housing 13b in the center and including a stator 2 and a rotor 3 rotating at a high speed, and 14 is fixed to the motor frame 13 and has a bearing housing 14a in the center. A bracket 5 having a ventilation port 14b around a bearing housing 14a, a motor 5 supporting bearings 7 fixed to both ends of a shaft 6 of a rotor 3 by a motor frame 13 and bearing housings 13b and 14a of the bracket 14, Shaft 6 of rotor 3
A fan 9 fixed to the rotor and rotating together with the rotor 3, a guide blade 9 for guiding air sucked from the blower fan 8 to the motor unit 5, a cover 10 for the blower fan 8 and the guide blade 9, and press-fitting and fixing to an outer peripheral portion of the bracket 14. It is a fan cover.
Reference numeral 11 denotes a stator coil, and reference numeral 12 denotes a rotor coil.
【０００３】この状態でモータ部５を駆動すると、回転
子３の軸６に取りつ付けられた送風ファン８が回転し、
この送風ファン８より吸引された空気は、図中の矢印で
示すように送風ファン８の内部を通り案内羽根９で整流
され、圧力を回復しながら、ファンカバー１０とブラケ
ット１４の外周部内壁を転向し、モータ部５に導かれ固
定子２及び回転子３の固定子コイル１１、回転子コイル
１２等を冷却しながら、モータフレーム１３の排気口１
３ａから排出されていた。When the motor unit 5 is driven in this state, the blower fan 8 attached to the shaft 6 of the rotor 3 rotates,
The air sucked from the blower fan 8 passes through the inside of the blower fan 8 and is rectified by the guide blades 9 as shown by arrows in the drawing, and while recovering the pressure, the air flows between the fan cover 10 and the inner peripheral wall of the bracket 14. The air outlet 1 of the motor frame 13 is turned while being guided by the motor unit 5 and cooling the stator coil 11 and the rotor coil 12 of the stator 2 and the rotor 3.
3a.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記の
ように構成した従来の電動送風機によれば、案内羽根９
によりモータ部５に導かれた空気は、ブラケット１４の
通気口１４ａより流れ込むが、流れ込んだ空気は固定子
コイル１１の上部１１ａ及び側部１１ｂからしか当たら
なかった。また、電動送風機の小形化によりブラケット
１４の通気口１４ａより固定子コイル１１の上部１１ａ
が案内羽根９側に突出するような場合は、固定子コイル
１１が壁となり十分な空気が回転子３まで届かない等、
冷却の面で不十分であった。したがって、温度上昇によ
りモータ部５が劣化しやすい、またはモータ効率の低下
等により電動送風機本来の性能を出しきれないという課
題があった。However, according to the conventional electric blower constructed as described above, the guide blade 9
As a result, the air guided to the motor unit 5 flows through the ventilation port 14a of the bracket 14, but the flowed air hits only from the upper portion 11a and the side portion 11b of the stator coil 11. Also, due to the miniaturization of the electric blower, the upper portion 11a of the stator coil 11 is
Is projected to the guide blade 9 side, the stator coil 11 becomes a wall, and sufficient air does not reach the rotor 3, etc.
Insufficient cooling. Therefore, there has been a problem that the motor unit 5 is easily deteriorated due to a rise in temperature, or the original performance of the electric blower cannot be fully exhibited due to a decrease in motor efficiency.
【０００５】この発明は上記のような課題を解決するも
のであり、冷却効率を向上させ、モータ部の温度上昇に
よる劣化を防止し、長寿命の電動送風機を得ることを目
的とする。An object of the present invention is to solve the above-mentioned problems, and an object of the present invention is to improve the cooling efficiency, prevent deterioration of the motor due to a rise in temperature, and obtain a long-life electric blower.
【０００６】[0006]
【課題を解決するための手段】この発明に係る電動送風
機は、一端側は開口し、側面に排気口が形成され、内部
に固定子と回転子が設けられたモータフレームと、該モ
ータフレームの開口側に設けられ、中央部に軸受ハウジ
ングを有するとともに、該軸受ハウジングの周囲であっ
て、前記固定子に巻装されたコイルと対向する位置に第
１の通気口を形成したブラケットと、前記回転子の軸に
設けられて該回転子と共に回転する送風ファンと、該送
風ファンより吸引した空気をモータ部へ導く案内羽根
と、前記送風ファンと前記案内羽根を覆うファンカバー
とを備え、前記第１の通気口の外周部に第２の通気口を
形成し、前記送風ファンからの空気は前記第１の通気口
と前記第２の通気口から前記モータ部へ導かれるもので
ある。According to the present invention, there is provided an electric blower having a motor frame having an opening at one end, an exhaust port formed at a side surface, and a stator and a rotor provided inside the motor. A bracket provided on the opening side, having a bearing housing at a central portion, and having a first ventilation hole formed at a position around the bearing housing and opposed to a coil wound around the stator; A blower fan provided on a shaft of a rotor and rotating together with the rotor, a guide blade for guiding air sucked from the blower fan to a motor unit, and a fan cover for covering the blower fan and the guide blade, A second ventilation port is formed on an outer peripheral portion of the first ventilation port, and air from the blower fan is guided from the first ventilation port and the second ventilation port to the motor section.
【０００７】また、モータフレームの開口側に第２の通
気口からの空気が通過する段差部を形成し、該段差部の
高さは固定子の高さと略同一としたものである。Further, a step portion through which air from the second ventilation hole passes is formed on the opening side of the motor frame, and the height of the step portion is substantially the same as the height of the stator.
【０００８】[0008]
【発明の実施の形態】図１はこの発明の実施の形態を示
す電動送風機の半分断面の側面図、図２は図１の要部拡
大図、図３は図１に示す電動送風機のブラケットの平面
図、図４はブラケットとコイルの位置関係を示す図、図
５はブラケットの要部斜視図である。図において、従来
と同一の構成には同じ符号を付し、説明は省略する。１
は一端側が開口され、側面に排気口１ａを有すると共
に、他端側中央部に軸受ハウジング１ｂを有する有底筒
状のモータフレームであり、内部には固定子２と回転子
３等が内包されている。また、１ｃはモータフレーム１
の開口側の端部に形成された段差部である。４はモータ
フレーム１の開口側に固定されて中央部に軸受ハウジン
グ４ａを有するブラケットであり、軸受ハウジング４ａ
の周囲には第１の通気口４ｂ、第２の通気口４ｃがそれ
ぞれ形成されている。第１の通気口４ｂは固定子コイル
１１に対向する位置に形成されている。また、第２の通
気口４ｃは第１の通気口４ｂの外周に複数設けられてい
る。第２の通気口４ｃは、例えば固定子コイル１１に沿
って複数設けるようにしてもよい。また、第２の通気口
４ｃと第２の通気口４ｃの間には、案内羽根９からの空
気を第１の通気口４ｂへ導くガイド部４ｄが設けられて
いる。ガイド部４ｄは、案内羽根９から転向した空気を
第１の通気口４ｂに導くための整流板の役割を果たして
いる。FIG. 1 is a side view of a half section of an electric blower showing an embodiment of the present invention, FIG. 2 is an enlarged view of a main part of FIG. 1, and FIG. 3 is a bracket of the electric blower shown in FIG. FIG. 4 is a plan view, FIG. 4 is a diagram showing a positional relationship between a bracket and a coil, and FIG. 5 is a perspective view of a main part of the bracket. In the figure, the same components as those of the related art are denoted by the same reference numerals, and description thereof is omitted. 1
Is a bottomed cylindrical motor frame having an open end at one end, an exhaust port 1a at the side surface, and a bearing housing 1b at the center at the other end side, in which a stator 2, a rotor 3 and the like are contained. ing. 1c is the motor frame 1
Is a step formed at the end on the opening side of the. Reference numeral 4 denotes a bracket fixed to the opening side of the motor frame 1 and having a bearing housing 4a at the center.
A first ventilation port 4b and a second ventilation port 4c are respectively formed in the periphery of. The first vent 4b is formed at a position facing the stator coil 11. Further, a plurality of second vents 4c are provided on the outer periphery of the first vent 4b. A plurality of second vents 4c may be provided along the stator coil 11, for example. Further, between the second vent 4c and the second vent 4c, a guide 4d for guiding air from the guide blade 9 to the first vent 4b is provided. The guide part 4d plays the role of a rectifying plate for guiding the air diverted from the guide blades 9 to the first vent 4b.
【０００９】上記のように構成された電動送風機におい
ては、モータ部５を駆動すると回転子３の軸６に取り付
けられた送風ファン８が回転し、この送風ファン８より
吸引された空気は、図中の矢印で示すように送風ファン
８の内部を通り案内羽根９で整流され圧力を回復しなが
ら、ファンカバー１０とブラケット４の外周部内壁を転
向し、ブラケット４の第１及び第２の通気口４ｂ、４ｃ
よりモータ部５へ流れ込む。そして、固定子２及び回転
子３の固定子コイル１１、回転子コイル１２等を冷却し
ながらモータフレーム１の排気口１ａから排出される。In the electric blower configured as described above, when the motor unit 5 is driven, the blower fan 8 attached to the shaft 6 of the rotor 3 rotates, and the air sucked from the blower fan 8 is shown in FIG. As shown by the arrow in the middle, the air flows through the inside of the blower fan 8 and is rectified by the guide blades 9 to recover the pressure while turning the fan cover 10 and the inner peripheral wall of the bracket 4, and the first and second ventilation of the bracket 4. Mouth 4b, 4c
Then, it flows into the motor unit 5. Then, the air is discharged from the exhaust port 1 a of the motor frame 1 while cooling the stator coil 11, the rotor coil 12, and the like of the stator 2 and the rotor 3.
【００１０】この発明の実施の形態によれば、送風ファ
ン８より排出された空気は、ブラケット４に設けられた
第１の通気口４ｂ及び第２の通気口４ｃより流れ込むた
め、固定子２に巻かれた固定子コイル１１の上部１１ａ
及び側部１１ｂは、第１の通気口４ｂからの空気で冷却
され、固定子コイル１１の下部１１ｃは第２の通気口４
ｃからの空気で冷却され、回転子３は第１の通気口４ｂ
及び第２の通気口４ｃからの空気で冷却されるため、高
い冷却効果が得られる。また、これにより、高効率化、
小形化も図ることができる。According to the embodiment of the present invention, the air discharged from the blower fan 8 flows through the first ventilation port 4b and the second ventilation port 4c provided in the bracket 4, so that the air flows into the stator 2. Upper part 11a of wound stator coil 11
And the side portion 11b is cooled by air from the first ventilation port 4b, and the lower portion 11c of the stator coil 11 is
c, the rotor 3 is cooled by the first vent 4b.
And since it is cooled by the air from the second ventilation port 4c, a high cooling effect can be obtained. This also increases efficiency,
Miniaturization can also be achieved.
【００１１】なお、固定子２の上面２ａの高さと段差部
１ｃの高さが略同一になるように設けてもよい。この構
成によれば、送風ファン８より排出された空気は、案内
羽根９を通り、ファンカバー１０とブラケット４の外周
部内壁を転向し、ブラケット４の第１及び第２の通気口
４ｂ、４ｃよりモータ部５へ流れ込む。そして、第２の
通気口４ｃから流れ込む空気は段差部１ｃに当たり、屈
曲して段差部１ｃ上を通過する。つまり、固定子コイル
１１の上部１１ａ及び側部１１ｂは、第１の通気口４ｂ
から流れ込む空気で冷却され、固定子コイル１１の下部
１１ｃ及び回転子３は、第２の通気口４ｃから流れ込む
滑らかで流速の速い空気で冷却されることになる。した
がって、より高い冷却効果を得ることができる。The height of the upper surface 2a of the stator 2 may be substantially the same as the height of the step portion 1c. According to this configuration, the air discharged from the blower fan 8 passes through the guide blades 9 and turns around the fan cover 10 and the inner peripheral wall of the bracket 4, and the first and second ventilation holes 4 b and 4 c of the bracket 4. Then, it flows into the motor unit 5. Then, the air flowing from the second vent 4c hits the step 1c, bends and passes over the step 1c. That is, the upper portion 11a and the side portion 11b of the stator coil 11 are
Thus, the lower portion 11c of the stator coil 11 and the rotor 3 are cooled by the smooth and high-speed air flowing from the second ventilation port 4c. Therefore, a higher cooling effect can be obtained.
【００１２】[0012]
【発明の効果】以上のように、この発明は、一端側は開
口し、側面に排気口が形成され、内部に固定子と回転子
が設けられたモータフレームと、該モータフレームの開
口側に設けられ、中央部に軸受ハウジングを有するとと
もに、該軸受ハウジングの周囲であって、前記固定子に
巻装されたコイルと対向する位置に第１の通気口を形成
したブラケットと、前記回転子の軸に固定され回転子と
共に回転する送風ファンと、該送風ファンより吸引した
空気をモータ部へ導く案内羽根と、前記送風ファンと前
記案内羽根を覆うファンカバーとを備え、前記第１の通
気口の外周部に第２の通気口を形成し、前記送風ファン
からの空気は前記第１の通気口と前記第２の通気口から
前記モータ部へ導かれるので、例えば、固定子に巻装さ
れたコイルを上部及び側部だけでなく、下部からも冷却
することが可能となる。また、回転子においても、固定
子コイルを通過する多くの空気を送風することができ、
高い冷却効果を得ることができる。したがって、コイル
の温度上昇を低減でき、モータ部の劣化を防止できると
共に電動送風機の小形高効率化と長寿命化を図ることが
できる。As described above, according to the present invention, there is provided a motor frame having an opening at one end and an exhaust port formed at a side surface, and a stator and a rotor provided inside the motor frame. A bracket having a bearing housing at a central portion, a first ventilation hole formed at a position around the bearing housing and opposed to a coil wound around the stator; A blower fan fixed to a shaft and rotating together with a rotor, a guide blade for guiding air sucked from the blower fan to a motor unit, and a fan cover for covering the blower fan and the guide blade; A second ventilation port is formed in the outer peripheral portion of the motor, and air from the blower fan is guided from the first ventilation port and the second ventilation port to the motor section. Coil Fine side as well, it is possible also to cool the bottom. Also, in the rotor, it is possible to blow a lot of air passing through the stator coil,
A high cooling effect can be obtained. Therefore, the temperature rise of the coil can be reduced, the deterioration of the motor unit can be prevented, and the size and efficiency of the electric blower can be increased, and the life can be extended.
【００１３】モータフレームの開口部に段差部を設ける
と共に、この段差部と固定子の上面の高さを略同一とし
たため、ブラケットの第２の通気口より流れ込んだ空気
は、例えば、固定子コイルの下部を通過する際、乱流が
なく滑らかに流れ込むため、流速の速い空気を回転子に
送ることができるので、高い冷却効果が得られ、コイル
の温度上昇を低減でき、モータ部の劣化を防止できると
共に電動送風機の小形高効率化と長寿命化を図ることが
できる。The stepped portion is provided in the opening of the motor frame, and the height of the stepped portion and the upper surface of the stator are made substantially the same. When passing through the lower part of the motor, the air flows smoothly without turbulence, so that high-speed air can be sent to the rotor, so a high cooling effect can be obtained, the coil temperature rise can be reduced, and the motor It is possible to reduce the size and efficiency of the electric blower and extend the life of the electric blower.
【図１】 この発明の実施の形態を示す電動送風機の半
分断面の側面図である。FIG. 1 is a side view of a half section of an electric blower showing an embodiment of the present invention.
【図２】 この発明の実施の形態を示す電動送風機の要
部拡大図である。FIG. 2 is an enlarged view of a main part of the electric blower showing the embodiment of the present invention.
【図３】 この発明の実施の形態を示す電動送風機のブ
ラケットの平面図である。FIG. 3 is a plan view of a bracket of the electric blower showing the embodiment of the present invention.
【図４】 この発明の実施の形態を示すブラケットとコ
イルの位置関係を示す図である。FIG. 4 is a diagram showing a positional relationship between a bracket and a coil according to the embodiment of the present invention.
【図５】 この発明の実施の形態を示す電動送風機のブ
ラケットの要部斜視図である。FIG. 5 is a perspective view of a main part of a bracket of the electric blower showing the embodiment of the present invention.
【図６】 従来の電動送風機を示す半分断面の側面図で
ある。FIG. 6 is a side view of a half section showing a conventional electric blower.
【図７】 従来の電動送風機のブラケットを示す平面図
である。FIG. 7 is a plan view showing a bracket of a conventional electric blower.
１ モータフレーム、１ａ 排気口、１ｂ 軸受ハウジ
ング、１ｃ 段差部、２ 固定子、３ 回転子、４ ブ
ラケット、４ａ 軸受ハウジング、４ｂ 第１の通気
口、４ｃ 第２の通気口、４ｄ ガイド部、５ モータ
部、６ 軸、７ 軸受、８ 送風ファン、９ 案内羽
根、１０ ファンカバー、１１ 固定子コイル、１２
回転子コイル。DESCRIPTION OF SYMBOLS 1 Motor frame, 1a exhaust port, 1b bearing housing, 1c stepped portion, 2 stator, 3 rotor, 4 bracket, 4a bearing housing, 4b first vent, 4c second vent, 4d guide part, 5 Motor part, 6 shafts, 7 bearings, 8 blower fan, 9 guide blade, 10 fan cover, 11 stator coil, 12
Rotor coil.
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 3B006 FA02 3H034 AA02 AA13 BB02 BB06 BB20 CC03 CC05 DD02 DD05 DD12 EE03 EE11 EE12 EE18 3H035 AA03 AA06 5H607 AA02 BB01 BB14 CC01 CC05 DD01 DD02 DD03 DD08 DD09 DD16 FF04 5H609 BB15 BB18 PP02 PP05 PP06 PP07 PP08 PP09 PP10 PP11 QQ02 QQ12 QQ13 RR02 RR27 RR30 RR69 ──────────────────────────────────────────────────続 き Continuing on the front page F term (reference) 3B006 FA02 3H034 AA02 AA13 BB02 BB06 BB20 CC03 CC05 DD02 DD05 DD12 EE03 EE11 EE12 EE18 3H035 AA03 AA06 5H607 AA02 BB01 BB14 CC01 CC05 DD01 DD02 DD03 DD08 DD09 BB09 PP16 PP06 PP07 PP08 PP09 PP10 PP11 QQ02 QQ12 QQ13 RR02 RR27 RR30 RR69
Claims (2)
れ、内部に固定子と回転子が設けられたモータフレーム
と、該モータフレームの開口側に設けられ、中央部に軸
受ハウジングを有するとともに、該軸受ハウジングの周
囲であって、前記固定子に巻装されたコイルと対向する
位置に第１の通気口を形成したブラケットと、前記回転
子の軸に設けられて該回転子と共に回転する送風ファン
と、該送風ファンより吸引した空気をモータ部へ導く案
内羽根と、前記送風ファンと前記案内羽根を覆うファン
カバーとを備え、前記第１の通気口の外周部に第２の通
気口を形成し、前記送風ファンからの空気は前記第１の
通気口と前記第２の通気口から前記モータ部へ導かれる
ことを特徴とする電動送風機。1. A motor frame having an opening at one end side, an exhaust port formed at a side surface, and a stator and a rotor provided therein, and a bearing housing provided at an opening side of the motor frame and a central portion. A bracket having a first air vent formed at a position around the bearing housing and opposed to the coil wound around the stator, and a bracket provided on a shaft of the rotor, together with the rotor. A rotating fan, a guide blade for guiding the air sucked from the fan to the motor unit, and a fan cover for covering the blower fan and the guide blade. A second cover is provided on an outer peripheral portion of the first ventilation port. An electric blower, wherein a vent is formed, and air from the blower fan is guided to the motor unit from the first vent and the second vent.
気口からの空気が通過する段差部を形成し、該段差部の
高さは固定子の高さと略同一としたことを特徴とする請
求項１記載の電動送風機。2. A step portion through which air from a second ventilation hole passes is formed on the opening side of the motor frame, and the height of the step portion is substantially the same as the height of the stator. The electric blower according to claim 1.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000083682A JP3704016B2 (en) | 2000-03-24 | 2000-03-24 | Electric blower |
| KR10-2000-0027992A KR100389641B1 (en) | 2000-03-24 | 2000-05-24 | Motor fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000083682A JP3704016B2 (en) | 2000-03-24 | 2000-03-24 | Electric blower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001271796A true JP2001271796A (en) | 2001-10-05 |
| JP3704016B2 JP3704016B2 (en) | 2005-10-05 |
Family
ID=18600276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000083682A Expired - Lifetime JP3704016B2 (en) | 2000-03-24 | 2000-03-24 | Electric blower |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3704016B2 (en) |
| KR (1) | KR100389641B1 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030048918A (en) * | 2001-12-13 | 2003-06-25 | 주식회사 엘지이아이 | The centrifugal blower of a vacuum cleaner |
| KR100473687B1 (en) * | 2002-02-19 | 2005-03-08 | 미쓰비시덴끼 홈기기 가부시키가이샤 | Electric ventilator |
| JP2006169972A (en) * | 2004-12-13 | 2006-06-29 | Matsushita Electric Ind Co Ltd | Commutator electric blower |
| CN1311166C (en) * | 2001-12-21 | 2007-04-18 | 松下电器产业株式会社 | Electrically power blower |
| JP2010077951A (en) * | 2008-09-29 | 2010-04-08 | Mitsubishi Electric Corp | Electrical blower and vacuum cleaner having the same |
| CN106663973A (en) * | 2015-06-05 | 2017-05-10 | 托博云株式会社 | Direct drive-type turbo blower cooling structure |
| CN109075652A (en) * | 2015-12-23 | 2018-12-21 | 卧龙电气美国有限责任公司 | System and method for air-cooled motor component |
| JP2020110325A (en) * | 2019-01-11 | 2020-07-27 | タイガー魔法瓶株式会社 | Agitating cooker |
| CN112879319A (en) * | 2019-11-29 | 2021-06-01 | 广东威灵电机制造有限公司 | Air supply arrangement and dust catcher |
| US11033163B2 (en) * | 2017-09-05 | 2021-06-15 | Nidec Corporation | Motor module and vacuum cleaner |
| SE2050615A1 (en) * | 2020-05-28 | 2021-11-29 | Husqvarna Ab | Improved blower arrangements and silencers for dust extractors |
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|---|---|---|---|---|
| KR100381279B1 (en) * | 2000-09-30 | 2003-04-26 | 린나이코리아 주식회사 | high pressure pump |
| KR100474341B1 (en) * | 2002-09-26 | 2005-03-10 | 엘지전자 주식회사 | Exhaust air ducting structure for motor of vacuum-cleaner |
| KR102387931B1 (en) * | 2015-04-01 | 2022-04-19 | 엘지전자 주식회사 | Vacuum suntion unit |
| JP2019047669A (en) * | 2017-09-05 | 2019-03-22 | 日本電産株式会社 | Motor module and cleaner |
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| US20230107170A1 (en) * | 2021-10-06 | 2023-04-06 | Regal Beloit America, Inc. | Blower Having a Protrusion Adjacent the Static Tap Hole |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980054309A (en) * | 1996-12-27 | 1998-09-25 | 배순훈 | Motor member for vacuum cleaner |
-
2000
- 2000-03-24 JP JP2000083682A patent/JP3704016B2/en not_active Expired - Lifetime
- 2000-05-24 KR KR10-2000-0027992A patent/KR100389641B1/en not_active IP Right Cessation
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030048918A (en) * | 2001-12-13 | 2003-06-25 | 주식회사 엘지이아이 | The centrifugal blower of a vacuum cleaner |
| CN1311166C (en) * | 2001-12-21 | 2007-04-18 | 松下电器产业株式会社 | Electrically power blower |
| KR100473687B1 (en) * | 2002-02-19 | 2005-03-08 | 미쓰비시덴끼 홈기기 가부시키가이샤 | Electric ventilator |
| JP2006169972A (en) * | 2004-12-13 | 2006-06-29 | Matsushita Electric Ind Co Ltd | Commutator electric blower |
| JP2010077951A (en) * | 2008-09-29 | 2010-04-08 | Mitsubishi Electric Corp | Electrical blower and vacuum cleaner having the same |
| CN106663973A (en) * | 2015-06-05 | 2017-05-10 | 托博云株式会社 | Direct drive-type turbo blower cooling structure |
| CN109075652A (en) * | 2015-12-23 | 2018-12-21 | 卧龙电气美国有限责任公司 | System and method for air-cooled motor component |
| US10804764B2 (en) | 2015-12-23 | 2020-10-13 | Wolong Electric America Llc | Systems and methods for air-cooling motor components |
| CN109075652B (en) * | 2015-12-23 | 2020-10-16 | 卧龙电气美国有限责任公司 | System and method for air cooling electric machine components |
| US11033163B2 (en) * | 2017-09-05 | 2021-06-15 | Nidec Corporation | Motor module and vacuum cleaner |
| JP2020110325A (en) * | 2019-01-11 | 2020-07-27 | タイガー魔法瓶株式会社 | Agitating cooker |
| JP7189433B2 (en) | 2019-01-11 | 2022-12-14 | タイガー魔法瓶株式会社 | stirring cooker |
| CN112879319A (en) * | 2019-11-29 | 2021-06-01 | 广东威灵电机制造有限公司 | Air supply arrangement and dust catcher |
| SE2050615A1 (en) * | 2020-05-28 | 2021-11-29 | Husqvarna Ab | Improved blower arrangements and silencers for dust extractors |
| SE544297C2 (en) * | 2020-05-28 | 2022-03-29 | Husqvarna Ab | Improved blower arrangements and silencers for dust extractors |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3704016B2 (en) | 2005-10-05 |
| KR20010090426A (en) | 2001-10-18 |
| KR100389641B1 (en) | 2003-06-27 |
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