JP4369940B2 - 回転軸オイルシール部の潤滑構造 - Google Patents
回転軸オイルシール部の潤滑構造 Download PDFInfo
- Publication number
- JP4369940B2 JP4369940B2 JP2006191568A JP2006191568A JP4369940B2 JP 4369940 B2 JP4369940 B2 JP 4369940B2 JP 2006191568 A JP2006191568 A JP 2006191568A JP 2006191568 A JP2006191568 A JP 2006191568A JP 4369940 B2 JP4369940 B2 JP 4369940B2
- Authority
- JP
- Japan
- Prior art keywords
- oil
- oil seal
- lubricating
- casing
- rotating shaft
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0469—Bearings or seals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/162—Special parts or details relating to lubrication or cooling of the sealing itself
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/324—Arrangements for lubrication or cooling of the sealing itself
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19991—Lubrication
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Description
2:ポンプカバー(ケーシングの一部)
3:入力軸 32:シールリング
4:オイルシール 41:シール押さえ
5:オイルシール室(環状空間)
6:トコロイド式ポンプ
7:油供給路
8:(三日月形の)油溝
9:油排出路
C:案内経路
Claims (3)
- ケーシングと、該ケーシングに回転自在に保持される回転軸と、該ケーシングと該回転軸との間に形成された環状空間と、該環状空間の軸方向の一端側で該ケーシングに保持されて該回転軸との隙間を塞ぐとともに他端側にオイルシール室を区画する環状のオイルシールと、該ケーシングから該オイルシール室に潤滑油を供給する油供給路と、該オイルシール室から該ケーシングまたは該回転軸内部の油路に該潤滑油を排出する油排出路と、を備える回転軸オイルシール部の潤滑構造において、
前記オイルシール室を形成する前記ケーシングの内周壁には周方向に三日月形に切り欠かれた油溝が形成され、該油溝の略中央に前記油供給路が開路され、該油供給路には加圧された前記潤滑油が供給されて、
該潤滑油は、該油供給路から該油溝の略中央に噴出し、該油溝の底面に沿って流れ、該油溝の端部から前記回転軸の方向に飛び出す、
ことを特徴とする回転軸オイルシール部の潤滑構造。 - 前記油溝及び前記油供給路は前記オイルシール室の最上部よりも前記回転軸の回転方向の手前側の斜め上部に形成され、前記油排出路は該オイルシール室の該油供給路と略軸対称位置の斜め下部に形成されている、請求項1に記載の回転軸オイルシール部の潤滑構造。
- 前記回転軸によって駆動され、加圧された前記潤滑油を前記油供給路に供給するポンプを備える請求項1または2に記載の回転軸オイルシール部の潤滑構造。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006191568A JP4369940B2 (ja) | 2006-07-12 | 2006-07-12 | 回転軸オイルシール部の潤滑構造 |
US11/822,851 US8573361B2 (en) | 2006-07-12 | 2007-07-10 | Lubricating structure of a rotational shaft oil sealing portion |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006191568A JP4369940B2 (ja) | 2006-07-12 | 2006-07-12 | 回転軸オイルシール部の潤滑構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008019954A JP2008019954A (ja) | 2008-01-31 |
JP4369940B2 true JP4369940B2 (ja) | 2009-11-25 |
Family
ID=38947913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006191568A Expired - Fee Related JP4369940B2 (ja) | 2006-07-12 | 2006-07-12 | 回転軸オイルシール部の潤滑構造 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8573361B2 (ja) |
JP (1) | JP4369940B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8491435B2 (en) * | 2011-08-26 | 2013-07-23 | General Electric Company | Journal bearing for use in epicyclical gearbox and method of facilitating hydrodynamic oil flow in the journal bearing |
EP2674645A1 (de) * | 2012-06-15 | 2013-12-18 | Siemens Aktiengesellschaft | Ölstauring |
JP5998725B2 (ja) * | 2012-08-03 | 2016-09-28 | 日立工機株式会社 | 携帯型作業機 |
FR3005487B1 (fr) * | 2013-05-13 | 2015-06-05 | Snecma | Ensemble formant joint d'etancheite pour une turbomachine comportant des moyens de lubrification d'un joint a brosse |
CN112324894B (zh) * | 2020-11-04 | 2022-03-08 | 福建中维动力科技股份有限公司 | 一种电动重卡调速总成 |
CN115013711B (zh) * | 2022-06-28 | 2023-12-15 | 潍坊市聚德机械设备有限公司 | 一种工业智能润滑装置 |
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-
2007
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Also Published As
Publication number | Publication date |
---|---|
JP2008019954A (ja) | 2008-01-31 |
US20080011115A1 (en) | 2008-01-17 |
US8573361B2 (en) | 2013-11-05 |
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