JP2013021860A - 電動モータ - Google Patents
電動モータ Download PDFInfo
- Publication number
- JP2013021860A JP2013021860A JP2011154720A JP2011154720A JP2013021860A JP 2013021860 A JP2013021860 A JP 2013021860A JP 2011154720 A JP2011154720 A JP 2011154720A JP 2011154720 A JP2011154720 A JP 2011154720A JP 2013021860 A JP2013021860 A JP 2013021860A
- Authority
- JP
- Japan
- Prior art keywords
- motor case
- electric motor
- rotating shaft
- main body
- flow path
- 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
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/40—Structural association with grounding devices
-
- 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
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/124—Sealing of shafts
-
- 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
- H02K5/1672—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 both ends 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
- H02K5/1732—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 rotary shaft at both ends 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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/20—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil wherein the cooling medium vaporises within the machine casing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/24—Protection against failure of cooling arrangements, e.g. due to loss of cooling medium or due to interruption of the circulation of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2205/00—Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports
- H02K2205/09—Machines characterised by drain passages or by venting, breathing or pressure compensating means
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
【解決手段】内部空間14を有するモータケース10と、モータケース10の壁面13を貫通して配置される軸受40Bと、軸受40Bに支承される回転軸32と、モータケース10に固定され、本体61と、導電材62とを具備する接地手段60とを備え、内部空間14にはモータケース10の外よりも高圧にガスが充填され、本体61は、回転軸32の外周に沿った円弧状の内周面61aを具備し、モータケース10に固定され、導電材62は、先端が回転軸32に接触するように本体61の内周面61aに配置され、接地手段60とモータケース10との間に、バイパス流路56を設け、バイパス流路56を通じて、モータケース10の内部空間14と外部とを連通する。
【選択図】図2
Description
10…モータケース
13…貫通壁(壁面)
14…内部空間
32…回転軸
40B…コロ軸受(軸受)
50B…貫通側シール部材(シール部材)
52…ラビリンスシール
54…貫通壁側端部(筒状一側端部)
55…内部空間側端部(筒状他側端部)
56…バイパス流路
60…接地手段
61…本体
61a…環状内周面(内周面)
62…繊維状導電材(導電材)
Claims (4)
- 内部空間を有するモータケースと、
該モータケースの壁面を貫通して配置される軸受と、
該軸受に支承される回転軸と、
該モータケースに固定され、本体と、導電材とを具備する接地手段とを備え、
該内部空間にはモータケースの外よりも高圧にガスが充填され、
該本体は、該回転軸の外周に沿った円弧状の内周面を具備し、該モータケースに固定され、
該導電材は、先端が該回転軸に接触するように該本体の該内周面に配置され、
該接地手段と該モータケースとの間に、バイパス流路を設け、
該バイパス流路を通じて、該モータケースの内部空間と外部とを連通することを特徴とする電動モータ。 - 請求項1記載の電動モータであって、
前記バイパス流路の流路断面積が、前記本体と前記回転軸との間の隙間の断面積よりも大きく設定されたことを特徴とする電動モータ。 - 請求項1又は請求項2記載の電動モータであって、
筒形状を備え、筒内面に、ラビリンスシールが形成され、筒状一側端部が前記モータケースに固定されつつ、環内を回転軸が貫通するシール部材を備え、
前記接地手段は、該シール部材の筒状他側端部に配置され、該シール部材を介して該モータケースに固定されたことを特徴とする電動モータ。 - 請求項1〜請求項3のいずれか1項記載の電動モータであって、
前記バイパス流路は、前記接地手段の前記本体と前記モータケース側との合わせ面の少なくともどちらか一方の面に形成された溝部からなることを特徴とする電動モータ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011154720A JP5704002B2 (ja) | 2011-07-13 | 2011-07-13 | 電動モータ |
EP12811726.4A EP2733827B1 (en) | 2011-07-13 | 2012-07-06 | Electrical motor |
CN201280034178.7A CN103650300B (zh) | 2011-07-13 | 2012-07-06 | 电动马达 |
PCT/JP2012/067338 WO2013008749A1 (ja) | 2011-07-13 | 2012-07-06 | 電動モータ |
US14/104,005 US9276451B2 (en) | 2011-07-13 | 2013-12-12 | Electrical motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011154720A JP5704002B2 (ja) | 2011-07-13 | 2011-07-13 | 電動モータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013021860A true JP2013021860A (ja) | 2013-01-31 |
JP5704002B2 JP5704002B2 (ja) | 2015-04-22 |
Family
ID=47506039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011154720A Expired - Fee Related JP5704002B2 (ja) | 2011-07-13 | 2011-07-13 | 電動モータ |
Country Status (5)
Country | Link |
---|---|
US (1) | US9276451B2 (ja) |
EP (1) | EP2733827B1 (ja) |
JP (1) | JP5704002B2 (ja) |
CN (1) | CN103650300B (ja) |
WO (1) | WO2013008749A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015134243A1 (en) * | 2014-03-07 | 2015-09-11 | Nidec Motor Corporation | Ground ring and enclosure in an electric motor |
JP2015207533A (ja) * | 2014-04-23 | 2015-11-19 | 本田技研工業株式会社 | 導電性接続体 |
JP2017060401A (ja) * | 2016-12-05 | 2017-03-23 | 株式会社明電舎 | 回転機 |
CN114454721A (zh) * | 2022-03-30 | 2022-05-10 | 广汽埃安新能源汽车有限公司 | 电动汽车降低电机轴承电腐蚀方法及电动汽车 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6127308B2 (ja) * | 2015-05-01 | 2017-05-17 | 株式会社明電舎 | 回転機 |
US11698079B2 (en) * | 2017-09-09 | 2023-07-11 | Luraco, Inc. | Fluid sealing member and fluid pump and motor having fluid sealing member |
US20180087521A1 (en) * | 2016-08-15 | 2018-03-29 | Luraco Technologies, Inc. | Fluid sealing member and fluid pump and motor having fluid sealing member |
CN106253589A (zh) * | 2016-08-16 | 2016-12-21 | 中车永济电机有限公司 | 易维护接地装置 |
KR20190068972A (ko) * | 2017-12-11 | 2019-06-19 | 현대자동차주식회사 | 구동모터의 접지 구조체 |
JP2018063050A (ja) * | 2017-12-14 | 2018-04-19 | 光洋シーリングテクノ株式会社 | シール部材 |
US11754186B2 (en) * | 2020-11-17 | 2023-09-12 | Rolls-Royce North American Technologies, Inc. | Grounding brush seals |
CN113922599A (zh) * | 2021-11-16 | 2022-01-11 | 浙江极氪智能科技有限公司 | 一种电机轴电压的柔性接地结构 |
DE102022101754A1 (de) | 2022-01-26 | 2023-07-27 | Schaeffler Technologies AG & Co. KG | Elektrische Rotationsmaschine, elektrisches Antriebssystem und Getriebemotoreinheit |
Citations (5)
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JPS5612456U (ja) * | 1979-07-05 | 1981-02-02 | ||
JPS5694156U (ja) * | 1979-12-21 | 1981-07-27 | ||
JP2008537469A (ja) * | 2005-04-20 | 2008-09-11 | イリノイ トゥール ワークス インコーポレイティド | 軸電流コントロールブラシリング組立体 |
JP4485897B2 (ja) * | 2003-10-06 | 2010-06-23 | イリノイ トゥール ワークス インコーポレイティド | モーターシャフト上の電流を緩和するための接地ブラシ |
JP2010525787A (ja) * | 2007-04-23 | 2010-07-22 | イリノイ トゥール ワークス インコーポレイティド | 回転シャフトの電流を低減するための改良された接地ブラシシステム |
Family Cites Families (16)
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JPS5922861B2 (ja) | 1979-07-09 | 1984-05-29 | タキロン株式会社 | 採光用ド−ムの施工方法 |
JPS5694156A (en) | 1979-12-27 | 1981-07-30 | Matsushita Electric Ind Co Ltd | Process for making solar energy selective absorption film |
US4739204A (en) * | 1986-01-30 | 1988-04-19 | Mitsubishi Denki Kabushiki Kaisha | Liquid cooled a.c. vehicle generator |
US5402023A (en) * | 1992-08-07 | 1995-03-28 | Nippon Densan Corporation | Spindle motor and magnetic fluid seal apparatus used therefor |
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CN100536285C (zh) * | 2003-10-06 | 2009-09-02 | 伊利诺斯器械工程公司 | 用于缓和马达轴上的电流的接地刷 |
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US7207774B2 (en) * | 2004-03-17 | 2007-04-24 | Japan Servo Co., Ltd. | Centrifugal fan and casing thereof |
US20110204734A1 (en) * | 2005-06-25 | 2011-08-25 | Orlowski David C | Motor Grounding Seal |
US8664812B2 (en) * | 2006-03-17 | 2014-03-04 | Inpro/Seal Llc | Current diverter ring |
US7528513B2 (en) * | 2005-08-17 | 2009-05-05 | Illinois Tool Works Inc. | Shaft current control brush assembly with drainage |
JP2007143207A (ja) * | 2005-11-14 | 2007-06-07 | Asmo Co Ltd | 回転電機及び車両用送風機 |
US8421286B2 (en) * | 2008-07-03 | 2013-04-16 | Nidec Motor Corporation | Kit and method for attaching a grounding ring to an electrical motor |
US8183727B2 (en) * | 2008-11-24 | 2012-05-22 | Caterpillar Inc. | Grounding mechanism for electric motor |
MX2011010611A (es) * | 2009-04-09 | 2011-12-16 | Inpro Seal Llc | Anillo desviador de corriente. |
-
2011
- 2011-07-13 JP JP2011154720A patent/JP5704002B2/ja not_active Expired - Fee Related
-
2012
- 2012-07-06 CN CN201280034178.7A patent/CN103650300B/zh active Active
- 2012-07-06 WO PCT/JP2012/067338 patent/WO2013008749A1/ja active Application Filing
- 2012-07-06 EP EP12811726.4A patent/EP2733827B1/en active Active
-
2013
- 2013-12-12 US US14/104,005 patent/US9276451B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5612456U (ja) * | 1979-07-05 | 1981-02-02 | ||
JPS5694156U (ja) * | 1979-12-21 | 1981-07-27 | ||
JP4485897B2 (ja) * | 2003-10-06 | 2010-06-23 | イリノイ トゥール ワークス インコーポレイティド | モーターシャフト上の電流を緩和するための接地ブラシ |
JP2008537469A (ja) * | 2005-04-20 | 2008-09-11 | イリノイ トゥール ワークス インコーポレイティド | 軸電流コントロールブラシリング組立体 |
JP2010525787A (ja) * | 2007-04-23 | 2010-07-22 | イリノイ トゥール ワークス インコーポレイティド | 回転シャフトの電流を低減するための改良された接地ブラシシステム |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015134243A1 (en) * | 2014-03-07 | 2015-09-11 | Nidec Motor Corporation | Ground ring and enclosure in an electric motor |
US9917491B2 (en) | 2014-03-07 | 2018-03-13 | Nidec Motor Corporation | Ground ring and enclosure in an electric motor |
JP2015207533A (ja) * | 2014-04-23 | 2015-11-19 | 本田技研工業株式会社 | 導電性接続体 |
JP2017060401A (ja) * | 2016-12-05 | 2017-03-23 | 株式会社明電舎 | 回転機 |
CN114454721A (zh) * | 2022-03-30 | 2022-05-10 | 广汽埃安新能源汽车有限公司 | 电动汽车降低电机轴承电腐蚀方法及电动汽车 |
Also Published As
Publication number | Publication date |
---|---|
US20140097714A1 (en) | 2014-04-10 |
JP5704002B2 (ja) | 2015-04-22 |
US9276451B2 (en) | 2016-03-01 |
EP2733827A4 (en) | 2016-01-20 |
WO2013008749A1 (ja) | 2013-01-17 |
CN103650300A (zh) | 2014-03-19 |
EP2733827A1 (en) | 2014-05-21 |
EP2733827B1 (en) | 2017-09-06 |
CN103650300B (zh) | 2016-01-06 |
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