JP5402619B2 - 車輪駆動装置用電食防止ユニットおよび車輪駆動装置 - Google Patents
車輪駆動装置用電食防止ユニットおよび車輪駆動装置 Download PDFInfo
- Publication number
- JP5402619B2 JP5402619B2 JP2009294087A JP2009294087A JP5402619B2 JP 5402619 B2 JP5402619 B2 JP 5402619B2 JP 2009294087 A JP2009294087 A JP 2009294087A JP 2009294087 A JP2009294087 A JP 2009294087A JP 5402619 B2 JP5402619 B2 JP 5402619B2
- Authority
- JP
- Japan
- Prior art keywords
- contact body
- corrosion prevention
- prevention unit
- motor
- rotor
- 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
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Classifications
-
- 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
-
- 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
- H02K5/15—Mounting arrangements for bearing-shields or end plates
-
- 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
- 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
- H02K7/08—Structural association with bearings
- H02K7/083—Structural association with 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
- H02K2205/00—Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports
- H02K2205/03—Machines characterised by thrust bearings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Description
20 ステータ(固定子)
30 ロータ(回転子)
40 中空シャフト
41 連結部材
411 フランジ部
412 中空部
50 遊星減速機
51 サンギア
52 リングギア
61 アンギュラ玉軸受
70 駆動軸
100 電食防止ユニット
110 収納体
111 レゾルバケース取り付け部
111 止まり穴(収納部)
120 弾性体
130 接触体
131 先端部
140 導電部材
141 取り付け部
142 端部
143 押圧部
144 孔(開口部)
Claims (4)
- モータのロータと電気的に導通させるための接触体であって、その先端部の少なくとも一部が、円形の断面形状を有する円錐面もしくは球面であるものと、
前記接触体をロータ側へ押圧するための弾性体と、
前記接触体と前記弾性体とを収容する収納部であって、モータ筐体に設けられ、前記モータ筐体を介してステータと電気的に導通しているものと、
一方がロータ軸端に固定し、他方が前記接触体先端部と接触可能な中空円筒状端部を有する導電部材と、を備え、
前記接触体と、前記弾性体と、前記収納部とが導電性の材料で作られていることを特徴とする車輪駆動装置用電食防止ユニット。 - 前記導電部材の内径が、前記先端部の外径の最も大きい部分より小さいことを特徴とする請求項1に記載の電食防止ユニット。
- 前記導電部材の外径面には、前記接触体の磨耗屑を排出可能な開口部を有することを特徴とする請求項1又は請求項に記載の電食防止ユニット。
- 請求項1〜3のいずれか1項に記載の電食防止ユニットを備える車輪駆動装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009294087A JP5402619B2 (ja) | 2009-12-25 | 2009-12-25 | 車輪駆動装置用電食防止ユニットおよび車輪駆動装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009294087A JP5402619B2 (ja) | 2009-12-25 | 2009-12-25 | 車輪駆動装置用電食防止ユニットおよび車輪駆動装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011135722A JP2011135722A (ja) | 2011-07-07 |
JP5402619B2 true JP5402619B2 (ja) | 2014-01-29 |
Family
ID=44347859
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009294087A Expired - Fee Related JP5402619B2 (ja) | 2009-12-25 | 2009-12-25 | 車輪駆動装置用電食防止ユニットおよび車輪駆動装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5402619B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3636476A4 (en) * | 2017-06-08 | 2021-03-03 | NTN Corporation | WHEEL BEARING SYSTEM WITH GENERATOR |
US11447003B2 (en) | 2017-10-17 | 2022-09-20 | Ntn Corporation | Vehicle power device and wheel bearing device with generator |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3157141A4 (en) * | 2014-09-09 | 2018-02-28 | Top Co., Ltd. | Motor |
JP2016171642A (ja) * | 2015-03-12 | 2016-09-23 | Ntn株式会社 | モータ駆動装置 |
CN109194039A (zh) * | 2018-09-30 | 2019-01-11 | 广州小鹏汽车科技有限公司 | 一种电机轴电流消除结构及电机 |
CN112186975B (zh) * | 2019-07-02 | 2022-05-06 | 中车株洲电力机车研究所有限公司 | 一种电机轴电流消除结构及电机 |
CN113949220B (zh) * | 2021-09-15 | 2023-11-03 | 浙江中车尚驰电气有限公司 | 一种螺塞式轴电流防护导电装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59195963U (ja) * | 1983-06-09 | 1984-12-26 | トヨタ自動車株式会社 | 回転軸接地装置 |
JP4656740B2 (ja) * | 2001-02-13 | 2011-03-23 | 株式会社鶴見製作所 | 水中回転機械の電食防止装置 |
JP2005012982A (ja) * | 2003-06-23 | 2005-01-13 | Toshiba Plant Systems & Services Corp | 回転機ブラシホルダ |
JP2007016846A (ja) * | 2005-07-06 | 2007-01-25 | Ntn Corp | インホイールモータの軸受装置 |
-
2009
- 2009-12-25 JP JP2009294087A patent/JP5402619B2/ja not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3636476A4 (en) * | 2017-06-08 | 2021-03-03 | NTN Corporation | WHEEL BEARING SYSTEM WITH GENERATOR |
US11641146B2 (en) | 2017-06-08 | 2023-05-02 | Ntn Corporation | Wheel bearing system with generator |
US11447003B2 (en) | 2017-10-17 | 2022-09-20 | Ntn Corporation | Vehicle power device and wheel bearing device with generator |
Also Published As
Publication number | Publication date |
---|---|
JP2011135722A (ja) | 2011-07-07 |
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