JP6641102B2 - ディフューザ - Google Patents
ディフューザ Download PDFInfo
- Publication number
- JP6641102B2 JP6641102B2 JP2015095001A JP2015095001A JP6641102B2 JP 6641102 B2 JP6641102 B2 JP 6641102B2 JP 2015095001 A JP2015095001 A JP 2015095001A JP 2015095001 A JP2015095001 A JP 2015095001A JP 6641102 B2 JP6641102 B2 JP 6641102B2
- Authority
- JP
- Japan
- Prior art keywords
- diffuser
- air outlet
- guide surface
- air
- motor
- 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.)
- Expired - Fee Related
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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/626—Mounting or removal of 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
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal 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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
-
- 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
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/053—Shafts
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- 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
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal 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
- F04D29/40—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
- F04D29/444—Bladed diffusers
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
- F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
12 本体
14 拡散ブレード
16 空気出口
30 モータ
32 出力軸
50 インペラ
52 下板
54 上板
56 ブレード
58 空気入口
60 位置決め構造
62 フランジ
70 外部ハウジング
72 開口部
80 モータハウジング
82 空気口
84 外側に傾斜する側
122 空気入口面
124 空気出口面
125 貫通孔
126 外周面
127 軸受座
128 凹部
129 軸受
130 取付ポスト
142 案内面
144 連結壁
146 外縁
A 始端
B 終端
L1,L2,L3,L4 接線
O 中心
α 傾斜角度
β 入口角
θ 出口角
γ 出口角
Claims (12)
- 空気入口側及び空気出口側を備える板状の本体と、
前記本体の周縁に設けられる複数の拡散ブレードであって、前記拡散ブレードの各々は傾斜した案内面を備え、前記案内面は、前記本体の前記空気入口側に始端を、前記本体の前記空気出口側に終端を有し、前記案内面は、前記始端から前記終端まで、前記本体の周方向の通路に沿って延在し、前記始端から前記終端にかけて徐々に大きくなる幅を有し、前記拡散ブレードの各々は、さらに対応する1つの案内面の前記終端から前記本体の前記空気入口側へ延在する斜面を含む、複数の拡散ブレードと、
前記拡散ブレードの前記斜面の端部における複数の空気出口であって、各々が、前記斜面のうちの対応する1つの前記端部と前記本体の前記空気出口側とを流体連結する、複数の空気出口と、を備え、
前記本体は前記空気入口側に空気入口面を備え、前記案内面は前記空気入口面に対して18〜25度の傾斜角度で傾斜していることを特徴とするディフューザ。 - 前記拡散ブレードの各々は、更に、前記案内面の内縁と前記本体とを互いに連結する湾曲連結壁を備え、前記湾曲連結壁は、前記案内面の前記始端と連結される始端と、前記斜面の前記端部と連結される終端とを備え、前記連結壁は、前記案内面の外縁から徐々に離れて湾曲形状をなすことを特徴とする、請求項1に記載のディフューザ。
- 前記湾曲連結壁は、それぞれ異なる曲率半径を有する複数の湾曲部を備えることを特徴とする、請求項2に記載のディフューザ。
- 前記湾曲連結壁は、前記始端における前記案内面の内縁の接線と、前記始端におけるディフューザが形成する円の接線との間の入口角を有し、該入口角は16〜23度であることを特徴とする、請求項2又は3に記載のディフューザ。
- 前記湾曲連結壁は、前記終端における前記案内面の内縁の接線と、前記終端における円の接線との間の出口角を有し、該出口角は28〜36度であることを特徴とする、請求項2、3又は4に記載のディフューザ。
- 前記本体は、前記空気出口側に空気出口面、及び前記空気入口面及び前記空気出口面のそれぞれの周縁を互いに連結する外周面を備え、前記拡散ブレードの前記案内面の外縁は前記円上に位置することを特徴とする、請求項1乃至5のいずれか一項に記載のディフューザ。
- 前記本体は、前記空気出口側に空気出口面を備え、前記空気出口面は、前記空気出口と連通する凹部を形成することを特徴とする、請求項1乃至6のいずれか一項に記載のディフューザ。
- 前記拡散ブレードの各々は、対応する1つの前記空気出口の縁部から対応する1つの前記案内面の外縁に沿って延在する外壁をさらに含むことを特徴とする、請求項1乃至7のいずれか一項に記載のディフューザ。
- 出力軸を有するモータと、駆動されて気流を発生するように前記出力軸に固定されるインペラと、前記気流の方向に沿って前記インペラの下流に設けられるディフューザと、前記インペラ及びディフューザを収容する外部ハウジングと、を備え、
前記ディフューザは、請求項1乃至8のいずれか一項に記載のものであることを特徴とする送風機。 - 前記インペラは、複数のファンブレードを備え、前記ファンブレードの各々は、22〜35度の出口角を有することを特徴とする、請求項9に記載の送風機。
- 更に、前記モータを取り付けるためのモータハウジングを備え、前記モータハウジングの一端は、前記外部ハウジングに固定され、前記モータハウジングの他端は、直径方向に互いに対向する一対の空気口を形成することを特徴とする、請求項9又は10に記載の送風機。
- 前記モータは、直径方向に互いに対向する一対のブラシを備える交直両用モータであり、前記ブラシは、前記モータハウジングの前記空気口からずれていることを特徴とする、請求項11に記載の送風機。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410189647.3A CN105090114A (zh) | 2014-05-07 | 2014-05-07 | 扩散器及应用该扩散器的风机 |
CN201410189647.3 | 2014-05-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015214977A JP2015214977A (ja) | 2015-12-03 |
JP6641102B2 true JP6641102B2 (ja) | 2020-02-05 |
Family
ID=54336732
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015095001A Expired - Fee Related JP6641102B2 (ja) | 2014-05-07 | 2015-05-07 | ディフューザ |
Country Status (5)
Country | Link |
---|---|
US (1) | US9885370B2 (ja) |
JP (1) | JP6641102B2 (ja) |
KR (1) | KR102341694B1 (ja) |
CN (1) | CN105090114A (ja) |
DE (1) | DE102015107037A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3731375B1 (en) | 2019-04-24 | 2023-09-06 | Black & Decker Inc. | Outer rotor brushless motor having an axial fan |
TWI692584B (zh) * | 2019-11-05 | 2020-05-01 | 財團法人工業技術研究院 | 離心式壓縮機 |
EP4074981A4 (en) | 2019-12-09 | 2024-02-21 | Lg Electronics Inc | FAN |
KR102655312B1 (ko) * | 2020-10-07 | 2024-04-05 | 엘지전자 주식회사 | 에어클린팬 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
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US4057370A (en) * | 1975-02-04 | 1977-11-08 | Matsushita Electric Industrial Co., Ltd | Electric blower assembly |
US4735555A (en) * | 1985-10-01 | 1988-04-05 | Rexair, Inc. | Air blower assembly for vacuum cleaner |
JPS6469800A (en) * | 1987-09-10 | 1989-03-15 | Tokyo Electric Co Ltd | Electric blower |
US5734214A (en) * | 1995-11-09 | 1998-03-31 | Ametek, Inc. | Molded through-flow motor assembly |
DE19605742A1 (de) * | 1996-02-16 | 1997-08-21 | Vorwerk Co Interholding | Elektromotor mit einem Gebläserad |
US5714819A (en) * | 1996-10-28 | 1998-02-03 | Ametek, Inc. | Motor having universal fan end bracket |
US6166462A (en) * | 1998-05-04 | 2000-12-26 | Ametek, Inc. | Bypass motor/fan assembly having separate working air passages |
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JP2001289196A (ja) * | 2000-04-05 | 2001-10-19 | Matsushita Electric Ind Co Ltd | 電動送風機及びそれを用いた電気掃除機 |
JP2003343483A (ja) * | 2002-05-24 | 2003-12-03 | Toshiba Tec Corp | 電動送風機 |
GB0613796D0 (en) * | 2006-07-12 | 2006-08-23 | Johnson Electric Sa | Blower |
US8317497B2 (en) * | 2010-03-03 | 2012-11-27 | Ametek, Inc. | Motor-fan assembly having a tapered stationary fan with a concave underside |
CN201730841U (zh) * | 2010-03-22 | 2011-02-02 | 德昌电机(深圳)有限公司 | 风机、使用所述风机的干手器及吸尘器 |
CN103321922B (zh) * | 2012-03-22 | 2016-11-23 | 德昌电机(深圳)有限公司 | 风机及具有该风机的真空吸尘器和干手机 |
CN202520586U (zh) * | 2012-03-22 | 2012-11-07 | 德昌电机(深圳)有限公司 | 风机及具有该风机的真空吸尘器和干手机 |
CN104514750A (zh) * | 2013-09-29 | 2015-04-15 | 德昌电机(深圳)有限公司 | 离心风机及其离心式叶轮 |
KR102195710B1 (ko) * | 2014-01-28 | 2020-12-28 | 삼성전자주식회사 | 비엘디씨 모터 및 이를 이용하는 청소기 |
-
2014
- 2014-05-07 CN CN201410189647.3A patent/CN105090114A/zh active Pending
-
2015
- 2015-05-06 DE DE102015107037.5A patent/DE102015107037A1/de not_active Withdrawn
- 2015-05-07 US US14/706,633 patent/US9885370B2/en active Active
- 2015-05-07 KR KR1020150063876A patent/KR102341694B1/ko active IP Right Grant
- 2015-05-07 JP JP2015095001A patent/JP6641102B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN105090114A (zh) | 2015-11-25 |
US9885370B2 (en) | 2018-02-06 |
KR20150127555A (ko) | 2015-11-17 |
DE102015107037A1 (de) | 2015-11-12 |
US20150322964A1 (en) | 2015-11-12 |
JP2015214977A (ja) | 2015-12-03 |
KR102341694B1 (ko) | 2021-12-21 |
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