JP7075836B2 - 内扇ファンを備えた電動機 - Google Patents
内扇ファンを備えた電動機 Download PDFInfo
- Publication number
- JP7075836B2 JP7075836B2 JP2018124054A JP2018124054A JP7075836B2 JP 7075836 B2 JP7075836 B2 JP 7075836B2 JP 2018124054 A JP2018124054 A JP 2018124054A JP 2018124054 A JP2018124054 A JP 2018124054A JP 7075836 B2 JP7075836 B2 JP 7075836B2
- Authority
- JP
- Japan
- Prior art keywords
- fan
- rotor
- stator
- blade
- outer diameter
- 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.)
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Classifications
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/10—Arrangements for cooling or ventilating by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing
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- 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
- F04D17/06—Helico-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
- 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
- F04D17/162—Double suction 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
- 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
-
- 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
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/082—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provision for cooling the motor
-
- 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
-
- 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
- F04D29/5806—Cooling the drive system
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Cooling System (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
また、固定子11は、フレーム1の中に設置される天板33に固定される。
2 シャフト
3 回転子
4 ラジアルダクト
5 アキシャルダクト
6 エンドリング
10 軸受
11 固定子
12 固定子巻線
14 クーラーボックス
21 スリーブ
22 内扇ファン
23 ファンガイド
31 冷却風の流れ方向
33 天板
Claims (5)
- シャフトと共に回転する回転子と、前記回転子の外周面に対向する固定子と、前記回転子に接続したエンドリングと、前記固定子に接続した固定子巻線と、スリーブを介して前記シャフトとともに回転するファンと、前記ファンの翼外周先端に対向するファンガイドと、前記回転子、前記固定子、前記ファン、前記ファンガイド、前記エンドリング、および前記固定子巻線を格納するフレームと、を有し、
前記回転子は、回転子の軸方向に貫通するアキシャルダクト、及び、前記アキシャルダクトに連通し、回転子の内側から外側へ放射状に貫通するラジアルダクトを有し、
前記ファンは、前記フレームの内部に設置される内扇ファンであり、前記内扇ファンは斜流型であると共に内扇ファンの吐出方向が内側方向であり、
前記ファンガイドが2重構造であり、その外径側である外径側ファンガイドを前記内扇ファンの翼外周先端に沿って設置し、その内径側である内径側ファンガイドを前記固定子巻線の外径側輪郭に沿って設置したことを特徴とする内扇ファンを備えた電動機。 - 前記スリーブの外周面であって、前記内扇ファンの後流側の外周面端部に、内径方向へ転向する転向面を有することを特徴とする請求項1に記載の電動機。
- 前記内扇ファンの翼根元側後縁と前記エンドリングとの軸方向距離を、前記内扇ファンの翼最大外径の0.17倍以上0.20倍以下に設置することを特徴とする請求項1に記載の電動機。
- 前記内扇ファンの翼の子午面形状が、直線で形成されることを特徴とする請求項1に記載の電動機。
- 前記内扇ファンの翼根元の出口角度が、85°以上90°以下であることを特徴とする請求項1に記載の電動機。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018124054A JP7075836B2 (ja) | 2018-06-29 | 2018-06-29 | 内扇ファンを備えた電動機 |
US16/283,014 US10797565B2 (en) | 2018-06-29 | 2019-02-22 | Motor with inner fan |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018124054A JP7075836B2 (ja) | 2018-06-29 | 2018-06-29 | 内扇ファンを備えた電動機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020005434A JP2020005434A (ja) | 2020-01-09 |
JP7075836B2 true JP7075836B2 (ja) | 2022-05-26 |
Family
ID=69008419
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018124054A Active JP7075836B2 (ja) | 2018-06-29 | 2018-06-29 | 内扇ファンを備えた電動機 |
Country Status (2)
Country | Link |
---|---|
US (1) | US10797565B2 (ja) |
JP (1) | JP7075836B2 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000041361A (ja) | 1998-07-22 | 2000-02-08 | Toshiba Corp | 回転電機 |
JP2013119816A (ja) | 2011-12-08 | 2013-06-17 | Samsung Yokohama Research Institute Co Ltd | プロペラファン及び空気調和装置の室外機 |
JP2016100953A (ja) | 2014-11-20 | 2016-05-30 | 株式会社明電舎 | 回転電機 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56154198A (en) * | 1980-04-30 | 1981-11-28 | Mitsubishi Heavy Ind Ltd | Mixed flow fan with intermediate shroud |
DE3724186A1 (de) * | 1987-07-17 | 1989-01-26 | Siemens Ag | Elektrische maschine mit geschlossenem kuehlkreislauf |
JPH05106592A (ja) * | 1991-10-18 | 1993-04-27 | Toshiba Corp | 空気調和機用軸流フアン |
JP2921384B2 (ja) * | 1994-03-04 | 1999-07-19 | 株式会社日立製作所 | 斜流ファン |
JP3428859B2 (ja) * | 1997-06-12 | 2003-07-22 | 山洋電気株式会社 | 冷却ファン付き電動機及び冷却ファン |
JP2004236439A (ja) | 2003-01-30 | 2004-08-19 | Hitachi Ltd | 回転電機 |
JP4375075B2 (ja) * | 2004-03-24 | 2009-12-02 | ダイキン工業株式会社 | モータの冷却装置 |
US7701096B2 (en) * | 2004-10-01 | 2010-04-20 | Kabushiki Kaisha Toshiba | Totally enclosed type main drive motor for vehicle |
-
2018
- 2018-06-29 JP JP2018124054A patent/JP7075836B2/ja active Active
-
2019
- 2019-02-22 US US16/283,014 patent/US10797565B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000041361A (ja) | 1998-07-22 | 2000-02-08 | Toshiba Corp | 回転電機 |
JP2013119816A (ja) | 2011-12-08 | 2013-06-17 | Samsung Yokohama Research Institute Co Ltd | プロペラファン及び空気調和装置の室外機 |
JP2016100953A (ja) | 2014-11-20 | 2016-05-30 | 株式会社明電舎 | 回転電機 |
Also Published As
Publication number | Publication date |
---|---|
JP2020005434A (ja) | 2020-01-09 |
US20200007008A1 (en) | 2020-01-02 |
US10797565B2 (en) | 2020-10-06 |
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