JP2005256705A - 細長遠心ファン - Google Patents
細長遠心ファン Download PDFInfo
- Publication number
- JP2005256705A JP2005256705A JP2004068711A JP2004068711A JP2005256705A JP 2005256705 A JP2005256705 A JP 2005256705A JP 2004068711 A JP2004068711 A JP 2004068711A JP 2004068711 A JP2004068711 A JP 2004068711A JP 2005256705 A JP2005256705 A JP 2005256705A
- Authority
- JP
- Japan
- Prior art keywords
- impeller
- centrifugal fan
- elongated
- axial direction
- bearing
- 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- Withdrawn
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Classifications
-
- 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
-
- 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
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
-
- 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
- F04D25/062—Details of the bearings
-
- 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
- F04D25/064—Details of the rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
- F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
- F04D25/0646—Details of the stator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—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
- F04D29/283—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 rotors of the squirrel-cage type
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
- H02K5/1675—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotary shaft at only one end of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
- H02K5/1737—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
【解決手段】細長い複数の翼が円周方向に沿って所定間隔で並べられた翼部14を有するインペラー12と、それを回転駆動するモーター13とが軸方向に並ぶように配設されている。インペラー12の直径が25mm以下であり、インペラー12の半径rとその軸方向長さhとが2r≦h≦20rの関係を満たす。モーター13を構成する部材のうち、電機子21及び界磁磁石22を有する回転力発生部13aと回転部材12を固定部材23に回転自在に保持する軸受部13bとが軸方向に並ぶように配置されている。
【選択図】図1
Description
12 インペラー
13 モーター
13a 回転力発生部
13b 軸受部
14 翼部
17 吸込口
21 ローター電機子(電機子)
22 ローターマグネット(磁性体)
23 固定軸(固定部材)
24 ベース部
25 ローターヨーク(回転部材)
26(26P,26D) 玉軸受
26a 外輪部
26b 内輪部
29 圧縮コイルばね(付勢手段)
31 スリーブ
32 スリーブホルダー
32a 筒状部
32b 軸部
33 回転軸
Claims (8)
- 細長い複数の翼が円周方向に沿って所定間隔で並べられた翼部を有するインペラーと、それを回転駆動するモーターとが軸方向に並ぶように配設された細長遠心ファンであって、
前記インペラーの直径が25mm以下であり、前記インペラーの半径rとその軸方向長さhとが2r≦h≦20rの関係を満たし、前記モーターを構成する部材のうち、電機子及び界磁磁石を有する回転力発生部と、回転部材を固定部材に対して回転自在に保持する軸受部とが軸方向に並ぶように配置されていることを特徴とする細長遠心ファン。 - 前記インペラーが毎分10,000回転以上の回転速度で回転駆動されることを特徴とする
請求項1記載の細長遠心ファン。 - 前記インペラー及び前記回転部材を含む一体に回転する複数の部材を一体の部材とみなしたときに、その重心付近に前記軸受部が配置されていることを特徴とする
請求項1又は2記載の細長遠心ファン。 - 前記インペラーの翼部の外径と前記モーターの回転力発生部の外径とが略同一であることを特徴とする
請求項1、2又は3記載の細長遠心ファン。 - 前記モーターが直流ブラシレスモーターであることを特徴とする
請求項1、2、3又は4記載の細長遠心ファン。 - 前記軸受部が、軸方向に離間して設けられた一対の玉軸受で構成されていることを特徴とする
請求項1から5のいずれか1項記載の細長遠心ファン。 - 前記一対の玉軸受は、内輪部同士又は外輪部同士を軸方向に互いに離間する向きに、又は互いに近接する向きに付勢する予圧が付加されていることを特徴とする
請求項6記載の細長遠心ファン。 - 前記軸受部は、前記回転部材に固定された回転軸とそれに遊嵌する筒状のスリーブとからなるすべり軸受であり、前記スリーブに外嵌する筒状部と、その基端側側面の中心部からベース部へ延びる軸部とを有するスリーブホルダーが設けられ、前記回転力発生部を構成するステーター電機子が前記スリーブホルダーの軸部の周囲に固定されていることを特徴とする
請求項1から5のいずれか1項記載の細長遠心ファン。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004068711A JP2005256705A (ja) | 2004-03-11 | 2004-03-11 | 細長遠心ファン |
US10/906,893 US20050201861A1 (en) | 2004-03-11 | 2005-03-11 | Centrifugal fan |
CNA200510053746XA CN1667278A (zh) | 2004-03-11 | 2005-03-11 | 离心风扇 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004068711A JP2005256705A (ja) | 2004-03-11 | 2004-03-11 | 細長遠心ファン |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2005256705A true JP2005256705A (ja) | 2005-09-22 |
Family
ID=34918455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004068711A Withdrawn JP2005256705A (ja) | 2004-03-11 | 2004-03-11 | 細長遠心ファン |
Country Status (3)
Country | Link |
---|---|
US (1) | US20050201861A1 (ja) |
JP (1) | JP2005256705A (ja) |
CN (1) | CN1667278A (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008111382A (ja) * | 2006-10-31 | 2008-05-15 | Japan Servo Co Ltd | モータファン |
JP2009174491A (ja) * | 2008-01-28 | 2009-08-06 | Ihi Corp | 電動圧縮機 |
JP2010116914A (ja) * | 2008-10-14 | 2010-05-27 | Jtekt Corp | 電動ポンプユニット |
WO2012103166A2 (en) * | 2011-01-27 | 2012-08-02 | Electrical Systems Integrator Llc | An electrical brushless motor |
WO2012169183A1 (ja) * | 2011-06-09 | 2012-12-13 | ダイキン工業株式会社 | 送風機及び空気調和機 |
US8790095B2 (en) | 2008-10-14 | 2014-07-29 | Jtekt Corporation | Electric pump unit |
US11907254B2 (en) | 2009-10-26 | 2024-02-20 | Amazon Technologies, Inc. | Provisioning and managing replicated data instances |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7794205B1 (en) * | 2006-03-13 | 2010-09-14 | Robert A. Vanderhye | Vertical axis wind turbine bearing axial load sharing |
US8591183B2 (en) | 2007-06-14 | 2013-11-26 | Regal Beloit America, Inc. | Extended length cutoff blower |
US8550066B2 (en) * | 2007-11-06 | 2013-10-08 | Regal Beloit America, Inc. | High efficiency furnace/air handler blower housing with a side wall having an exponentially increasing expansion angle |
CN102548348A (zh) * | 2010-12-28 | 2012-07-04 | 鸿富锦精密工业(深圳)有限公司 | 散热装置 |
DE102012209199A1 (de) * | 2012-05-31 | 2013-12-05 | Robert Bosch Gmbh | Lüftersystem für ein Kühlsystem einer Brennkraftmaschine |
US10693344B2 (en) | 2014-12-18 | 2020-06-23 | Black & Decker Inc. | Packaging of a control module for a brushless motor |
US11757327B2 (en) * | 2018-01-31 | 2023-09-12 | Minebea Mitsumi Inc. | Rotor, motor, and method for manufacturing rotor |
CN109062376A (zh) * | 2018-08-21 | 2018-12-21 | 李连庚 | 计算机cpu散热装置 |
CN110212676A (zh) * | 2019-04-25 | 2019-09-06 | 南方电机科技有限公司 | 一种旋转马达及设备 |
JP7496353B2 (ja) * | 2019-06-14 | 2024-06-06 | ミネベアミツミ株式会社 | 回転機器 |
US11635082B1 (en) * | 2022-03-21 | 2023-04-25 | Chao Chin Yao | Ceiling fan controller fixing structure |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7364411B2 (en) * | 2003-04-14 | 2008-04-29 | Nidec Corporation | Fan impeller and fan motor |
-
2004
- 2004-03-11 JP JP2004068711A patent/JP2005256705A/ja not_active Withdrawn
-
2005
- 2005-03-11 US US10/906,893 patent/US20050201861A1/en not_active Abandoned
- 2005-03-11 CN CNA200510053746XA patent/CN1667278A/zh active Pending
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008111382A (ja) * | 2006-10-31 | 2008-05-15 | Japan Servo Co Ltd | モータファン |
JP2009174491A (ja) * | 2008-01-28 | 2009-08-06 | Ihi Corp | 電動圧縮機 |
JP2010116914A (ja) * | 2008-10-14 | 2010-05-27 | Jtekt Corp | 電動ポンプユニット |
US8790095B2 (en) | 2008-10-14 | 2014-07-29 | Jtekt Corporation | Electric pump unit |
US11907254B2 (en) | 2009-10-26 | 2024-02-20 | Amazon Technologies, Inc. | Provisioning and managing replicated data instances |
WO2012103166A2 (en) * | 2011-01-27 | 2012-08-02 | Electrical Systems Integrator Llc | An electrical brushless motor |
WO2012103166A3 (en) * | 2011-01-27 | 2012-11-22 | Electrical Systems Integrator Llc | An electrical brushless motor |
WO2012169183A1 (ja) * | 2011-06-09 | 2012-12-13 | ダイキン工業株式会社 | 送風機及び空気調和機 |
JP2013015135A (ja) * | 2011-06-09 | 2013-01-24 | Daikin Industries Ltd | 送風機及び空気調和機 |
Also Published As
Publication number | Publication date |
---|---|
CN1667278A (zh) | 2005-09-14 |
US20050201861A1 (en) | 2005-09-15 |
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