JP7468696B2 - 軸受および過給機 - Google Patents
軸受および過給機 Download PDFInfo
- Publication number
- JP7468696B2 JP7468696B2 JP2022563639A JP2022563639A JP7468696B2 JP 7468696 B2 JP7468696 B2 JP 7468696B2 JP 2022563639 A JP2022563639 A JP 2022563639A JP 2022563639 A JP2022563639 A JP 2022563639A JP 7468696 B2 JP7468696 B2 JP 7468696B2
- Authority
- JP
- Japan
- Prior art keywords
- oil
- bearing surface
- thrust bearing
- bearing
- thrust
- 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.)
- Active
Links
- 230000002093 peripheral effect Effects 0.000 claims description 29
- 239000003921 oil Substances 0.000 description 113
- 239000010687 lubricating oil Substances 0.000 description 51
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 238000007667 floating Methods 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/18—Lubricating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/14—Lubrication of pumps; Safety measures therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
- F01D25/166—Sliding contact bearing
- F01D25/168—Sliding contact bearing for axial load mainly
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
- F16C17/045—Sliding-contact bearings for exclusively rotary movement for axial load only with grooves in the bearing surface to generate hydrodynamic pressure, e.g. spiral groove thrust bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/40—Application in turbochargers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/50—Bearings
- F05D2240/52—Axial thrust bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/98—Lubrication
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
- F16C17/024—Sliding-contact bearings for exclusively rotary movement for radial load only with flexible leaves to create hydrodynamic wedge, e.g. radial foil bearings
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
- F16C17/026—Sliding-contact bearings for exclusively rotary movement for radial load only with helical grooves in the bearing surface to generate hydrodynamic pressure, e.g. herringbone grooves
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/23—Gas turbine engines
- F16C2360/24—Turbochargers
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/1045—Details of supply of the liquid to the bearing
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Supercharger (AREA)
- Sliding-Contact Bearings (AREA)
Description
された範疇において、各種の変更例または修正例に想到し得ることは明らかであり、それらについても当然に本開示の技術的範囲に属するものと了解される。
Claims (4)
- シャフトが挿通される環状の本体と、
前記本体の内周面に設けられ、前記本体の軸方向に延在する複数の給油溝と、
前記本体の端面に設けられるスラスト軸受面と、
前記スラスト軸受面の外周縁と離隔して前記本体の周方向に間隔を空けて前記スラスト軸受面に設けられ、前記給油溝と連通し、前記周方向に進むにつれて浅くなる複数のテーパ部と、
前記スラスト軸受面に設けられ、前記複数のテーパ部のうちの1つの前記テーパ部を通過し、前記給油溝と前記外周縁とを接続する排油溝と、
を備え、
前記排油溝は、前記複数のテーパ部のうちの1つの前記テーパ部のみに対して設けられ、前記1つのテーパ部以外の前記テーパ部に対しては設けられておらず、前記スラスト軸受面のうち鉛直方向の下側に設けられる、
軸受。 - 前記スラスト軸受面の面積に対する前記排油溝の前記外周縁側の開口の流路断面積の比率は、0.01以下である、
請求項1に記載の軸受。 - 前記スラスト軸受面の面積に対する前記排油溝の前記外周縁側の開口の流路断面積の比率は、0.003以上である、
請求項1または2に記載の軸受。 - 請求項1から3のいずれか一項に記載の軸受を備える過給機。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020191119 | 2020-11-17 | ||
JP2020191119 | 2020-11-17 | ||
PCT/JP2021/038388 WO2022107524A1 (ja) | 2020-11-17 | 2021-10-18 | 軸受および過給機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2022107524A1 JPWO2022107524A1 (ja) | 2022-05-27 |
JP7468696B2 true JP7468696B2 (ja) | 2024-04-16 |
Family
ID=81709014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022563639A Active JP7468696B2 (ja) | 2020-11-17 | 2021-10-18 | 軸受および過給機 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11898457B2 (ja) |
JP (1) | JP7468696B2 (ja) |
CN (1) | CN116034217A (ja) |
DE (1) | DE112021003728B4 (ja) |
WO (1) | WO2022107524A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002206522A (ja) | 2001-01-05 | 2002-07-26 | Mitsubishi Heavy Ind Ltd | スラスト軸受 |
JP2012219866A (ja) | 2011-04-06 | 2012-11-12 | Ihi Corp | スラスト支持装置 |
JP2014101826A (ja) | 2012-11-21 | 2014-06-05 | Ihi Corp | 過給機 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS587436B2 (ja) | 1980-10-21 | 1983-02-09 | 株式会社神戸製鋼所 | 工業用ロボツトのアクチユエ−タ |
JPS58172114U (ja) * | 1982-05-14 | 1983-11-17 | 三菱重工業株式会社 | テ−パランド形スラスト軸受 |
JP2592208B2 (ja) * | 1993-03-31 | 1997-03-19 | 三菱重工業株式会社 | スラスト軸受装置 |
JP3448155B2 (ja) | 1996-04-05 | 2003-09-16 | 三菱重工業株式会社 | 圧力ダム軸受 |
JPH1113476A (ja) | 1997-06-26 | 1999-01-19 | Ishikawajima Harima Heavy Ind Co Ltd | 過給機用スラスト軸受 |
CN100402874C (zh) | 2003-07-05 | 2008-07-16 | 曼·B及W柴油机公开股份有限公司 | 推力滑动轴承 |
JP2007023858A (ja) | 2005-07-14 | 2007-02-01 | Toyota Motor Corp | ターボ過給機の軸受構造 |
JP2012031979A (ja) | 2010-08-03 | 2012-02-16 | Ihi Corp | スラスト軸受 |
JP5807436B2 (ja) | 2011-08-09 | 2015-11-10 | 株式会社Ihi | 軸受装置の設計方法及び軸受装置 |
JP5863422B2 (ja) | 2011-11-30 | 2016-02-16 | 三菱重工業株式会社 | スラスト軸受及び回転機械 |
US20180087518A1 (en) | 2016-09-24 | 2018-03-29 | Borgwarner Inc. | Turbocharger thrust bearing and manufacturing method |
JP6946527B2 (ja) | 2017-09-29 | 2021-10-06 | 日立建機株式会社 | 建設機械の点検支援システム |
-
2021
- 2021-10-18 WO PCT/JP2021/038388 patent/WO2022107524A1/ja active Application Filing
- 2021-10-18 DE DE112021003728.5T patent/DE112021003728B4/de active Active
- 2021-10-18 CN CN202180057072.8A patent/CN116034217A/zh active Pending
- 2021-10-18 JP JP2022563639A patent/JP7468696B2/ja active Active
-
2023
- 2023-01-24 US US18/158,693 patent/US11898457B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002206522A (ja) | 2001-01-05 | 2002-07-26 | Mitsubishi Heavy Ind Ltd | スラスト軸受 |
JP2012219866A (ja) | 2011-04-06 | 2012-11-12 | Ihi Corp | スラスト支持装置 |
JP2014101826A (ja) | 2012-11-21 | 2014-06-05 | Ihi Corp | 過給機 |
Also Published As
Publication number | Publication date |
---|---|
WO2022107524A1 (ja) | 2022-05-27 |
US20230160321A1 (en) | 2023-05-25 |
JPWO2022107524A1 (ja) | 2022-05-27 |
CN116034217A (zh) | 2023-04-28 |
DE112021003728T5 (de) | 2023-05-04 |
DE112021003728B4 (de) | 2024-02-01 |
US11898457B2 (en) | 2024-02-13 |
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