JP2009044830A - 車両用交流発電機 - Google Patents
車両用交流発電機 Download PDFInfo
- Publication number
- JP2009044830A JP2009044830A JP2007206012A JP2007206012A JP2009044830A JP 2009044830 A JP2009044830 A JP 2009044830A JP 2007206012 A JP2007206012 A JP 2007206012A JP 2007206012 A JP2007206012 A JP 2007206012A JP 2009044830 A JP2009044830 A JP 2009044830A
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- annular
- generator
- bearing
- annular portion
- 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
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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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Synchronous Machinery (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
【解決手段】車両用交流発電機1は、回転駆動される回転子3と、回転子3と対向配置された固定子2と、回転子3を軸受け39、34を介して支持するフレーム4と、回転子3のポールコア32の軸方向端面に配置されて回転子3とともに回転する冷却ファン35、36と、リア側の冷却ファン36の内周において円環形状で軸方向に延びる円環部36Aとを備えている。円環部36Aは、軸受け34を保持する円環形状の軸受け収納部44よりも大径で、かつ、回転子3の軸方向に沿って重複しており、外径方向に複数の凸部36Bが一体形成されている。
【選択図】図1
Description
2 固定子
3 回転子
4 フレーム
5 ブラシ装置
6 リアカバー
33 回転軸
34 軸受け
35、36 冷却ファン
36A 円環部
36B 凸部
36C スリット
36E サブファン
36F 円筒面
36G ふくらみ部
37、38 スリップリング
44 軸受け収納部
51、52 ブラシ
53 ブラシホルダ
Claims (4)
- 回転駆動される回転子と、前記回転子と対向配置された固定子と、前記回転子を軸受けを介して支持するフレームと、前記回転子の磁極の軸方向端面に配置されて前記回転子とともに回転する冷却ファンと、前記冷却ファンの内周において円環形状で軸方向に延びる円環部とを備える車両用交流発電機において、
前記円環部は、前記軸受けを保持する円環形状の軸受け収納部よりも大径で、かつ、前記回転子の軸方向に沿って重複しており、外径方向に複数の凸部が一体形成されていることを特徴とする車両用交流発電機。 - 請求項1において、
前記凸部は、前記円環部の一部に形成されたスリットの隣接片を切り起こすことで形成されたサブファンであることを特徴とする車両用交流発電機。 - 請求項1において、
前記凸部は、前記円環部の連続した円筒面を外径側に突出させたふくらみ部であることを特徴とする車両用交流発電機。 - 請求項2または3において、
前記円環部の軸方向端部近傍に、前記凸部の最外径部が配置されていることを特徴とする車両用交流発電機。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007206012A JP4433013B2 (ja) | 2007-08-08 | 2007-08-08 | 車両用交流発電機 |
US12/076,639 US7598636B2 (en) | 2007-08-08 | 2008-03-20 | Automotive alternator with cooling fan having projections for preventing foreign particles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007206012A JP4433013B2 (ja) | 2007-08-08 | 2007-08-08 | 車両用交流発電機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009044830A true JP2009044830A (ja) | 2009-02-26 |
JP4433013B2 JP4433013B2 (ja) | 2010-03-17 |
Family
ID=40345795
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007206012A Expired - Fee Related JP4433013B2 (ja) | 2007-08-08 | 2007-08-08 | 車両用交流発電機 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7598636B2 (ja) |
JP (1) | JP4433013B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4498466B1 (ja) * | 2009-07-08 | 2010-07-07 | 三菱電機株式会社 | 車両用電動機 |
DE102011000445A1 (de) | 2010-02-12 | 2012-03-01 | Denso Corporation | Drehende elektrische Maschine |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110316369A1 (en) * | 2010-06-28 | 2011-12-29 | Remy Technologies, L.L.C. | Rotor fan for an electric machine |
US9537373B2 (en) | 2013-05-16 | 2017-01-03 | Remy Technologies, L.L.C. | Alternator fan |
US9634545B2 (en) * | 2013-09-09 | 2017-04-25 | Remy Technologies, L.L.C. | Component for an electric machine |
US9502944B2 (en) * | 2013-09-09 | 2016-11-22 | Remy Technologies, L.L.C. | Component for an electric machine |
DE102015102663A1 (de) * | 2014-03-05 | 2015-09-10 | Remy Technologies, L.L.C. | Komponente für eine elektrische Maschine |
US11509193B2 (en) | 2019-12-19 | 2022-11-22 | Black & Decker Inc. | Power tool with compact motor assembly |
US11705778B2 (en) | 2019-12-19 | 2023-07-18 | Black & Decker Inc. | Power tool with compact motor assembly |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5714654U (ja) | 1980-06-19 | 1982-01-25 | ||
JPS63181637A (ja) | 1987-01-23 | 1988-07-26 | Nippon Denso Co Ltd | 車両用交流発電機 |
JP3279258B2 (ja) * | 1997-11-27 | 2002-04-30 | 株式会社デンソー | 車両用交流発電機 |
US20040227416A1 (en) * | 2002-05-07 | 2004-11-18 | Shih-Ming Huang | Heat-dissipated mechanism for outer-rotor type brushless DC fan motor |
JP2005151728A (ja) | 2003-11-18 | 2005-06-09 | Denso Corp | 車両用交流発電機 |
-
2007
- 2007-08-08 JP JP2007206012A patent/JP4433013B2/ja not_active Expired - Fee Related
-
2008
- 2008-03-20 US US12/076,639 patent/US7598636B2/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4498466B1 (ja) * | 2009-07-08 | 2010-07-07 | 三菱電機株式会社 | 車両用電動機 |
WO2011004466A1 (ja) * | 2009-07-08 | 2011-01-13 | 三菱電機株式会社 | 車両用電動機 |
DE102011000445A1 (de) | 2010-02-12 | 2012-03-01 | Denso Corporation | Drehende elektrische Maschine |
Also Published As
Publication number | Publication date |
---|---|
JP4433013B2 (ja) | 2010-03-17 |
US7598636B2 (en) | 2009-10-06 |
US20090039719A1 (en) | 2009-02-12 |
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