JP7243848B2 - 多円弧軸受、および、過給機 - Google Patents
多円弧軸受、および、過給機 Download PDFInfo
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- JP7243848B2 JP7243848B2 JP2021552125A JP2021552125A JP7243848B2 JP 7243848 B2 JP7243848 B2 JP 7243848B2 JP 2021552125 A JP2021552125 A JP 2021552125A JP 2021552125 A JP2021552125 A JP 2021552125A JP 7243848 B2 JP7243848 B2 JP 7243848B2
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- Prior art keywords
- axial groove
- shaft
- axial
- radial bearing
- main body
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Classifications
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- 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
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- 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
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- 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
- F16C17/028—Sliding-contact bearings for exclusively rotary movement for radial load only with fixed wedges to generate hydrodynamic pressure, e.g. multi-lobe 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
- F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
-
- 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
- F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
- F16C17/18—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with floating brasses or brushing, rotatable at a reduced speed
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- 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
-
- 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
- F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
- F16C33/1065—Grooves on a bearing surface for distributing or collecting the liquid
-
- 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
- F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
- F16C33/107—Grooves for generating pressure
-
- 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
- F05D2240/00—Components
- F05D2240/50—Bearings
- F05D2240/54—Radial 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
- F16C2360/00—Engines or pumps
- F16C2360/23—Gas turbine engines
- F16C2360/24—Turbochargers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Sliding-Contact Bearings (AREA)
- Supercharger (AREA)
Description
Claims (5)
- 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形成され、互いに異なる曲率中心を有し、前記本体の周方向に互いに隣接して配される複数の円弧面を含むラジアル軸受面と、
前記ラジアル軸受面に形成され、前記シャフトの軸方向に延在し、前記周方向の中心位置が、前記複数の円弧面の境界部から前記円弧面の前記周方向における中央位置までの範囲において、前記境界部から前記シャフトの回転方向後方側にずれた位置に配される軸方向溝と、
を備え、
前記軸方向溝は、前記シャフトの回転方向前方側に形成された前方側面と、前記回転方向後方側に形成された後方側面とを有し、
前記前方側面のうち前記円弧面と連続する端部の接線と、前記軸方向溝の内側に延在させた前記円弧面の仮想面との間の角度は、前記後方側面のうち前記円弧面と連続する端部の接線と前記仮想面との間の角度より小さい、多円弧軸受。 - 前記軸方向溝は、前記中央位置および前記境界部から離隔して配される請求項1に記載の多円弧軸受。
- 前記ラジアル軸受面は、4つの前記円弧面を有し、
前記軸方向溝の前記中心位置は、前記境界部に対し、前記回転方向後方側に向かって、回転角22.5°未満となる範囲に形成される請求項1または2に記載の多円弧軸受。 - 前記本体の前記軸方向における端面に形成され、前記軸方向溝が開口するスラスト軸受面を備える請求項1から3のいずれか1項に記載の多円弧軸受。
- 請求項1から4のいずれか1項に記載の多円弧軸受を備える過給機。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019191259 | 2019-10-18 | ||
JP2019191259 | 2019-10-18 | ||
PCT/JP2020/032066 WO2021075155A1 (ja) | 2019-10-18 | 2020-08-25 | 多円弧軸受、および、過給機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2021075155A1 JPWO2021075155A1 (ja) | 2021-04-22 |
JP7243848B2 true JP7243848B2 (ja) | 2023-03-22 |
Family
ID=75537372
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021552125A Active JP7243848B2 (ja) | 2019-10-18 | 2020-08-25 | 多円弧軸受、および、過給機 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11719125B2 (ja) |
JP (1) | JP7243848B2 (ja) |
CN (1) | CN114364867A (ja) |
DE (1) | DE112020005015T5 (ja) |
WO (1) | WO2021075155A1 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017010450A1 (ja) | 2015-07-16 | 2017-01-19 | 株式会社Ihi | 多円弧軸受および過給機 |
WO2017203880A1 (ja) | 2016-05-27 | 2017-11-30 | 株式会社Ihi | 軸受、および、過給機 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4937588B1 (ja) | 1970-09-25 | 1974-10-09 | ||
US6402385B1 (en) * | 1999-08-06 | 2002-06-11 | Sankyo Seiki Mfg. Co., Ltd. | Dynamic pressure bearing apparatus |
JP4937588B2 (ja) | 2006-01-19 | 2012-05-23 | Ntn株式会社 | 軸受装置およびこれを備えたモータ |
FR2916498B1 (fr) * | 2007-05-24 | 2009-08-21 | Flender Graffenstaden | Coussinet hydrodynamique a lobes asymetriques. |
US8790066B2 (en) * | 2010-02-18 | 2014-07-29 | Honeywell International Inc. | Multi-lobe semi-floating journal bearing |
DE102012205950A1 (de) * | 2012-04-12 | 2013-10-17 | Bosch Mahle Turbo Systems Gmbh & Co. Kg | Radiallager |
JP2019065934A (ja) * | 2017-09-29 | 2019-04-25 | Ntn株式会社 | ラジアル軸受 |
WO2019072407A1 (de) * | 2017-10-12 | 2019-04-18 | Ihi Charging Systems International Gmbh | Abgasturbolader |
DE112018005999T5 (de) * | 2017-12-22 | 2020-08-06 | Borgwarner Inc. | Turbolader für einen verbrennungsmotor mit einem hydrodynamischen loslager |
CN111699325B (zh) * | 2018-02-08 | 2022-02-01 | 株式会社Ihi | 轴承构造 |
JP2019191259A (ja) | 2018-04-19 | 2019-10-31 | 信越ポリマー株式会社 | 視野角制御シート |
-
2020
- 2020-08-25 JP JP2021552125A patent/JP7243848B2/ja active Active
- 2020-08-25 WO PCT/JP2020/032066 patent/WO2021075155A1/ja active Application Filing
- 2020-08-25 CN CN202080062959.1A patent/CN114364867A/zh active Pending
- 2020-08-25 DE DE112020005015.7T patent/DE112020005015T5/de active Pending
-
2021
- 2021-12-29 US US17/646,416 patent/US11719125B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017010450A1 (ja) | 2015-07-16 | 2017-01-19 | 株式会社Ihi | 多円弧軸受および過給機 |
WO2017203880A1 (ja) | 2016-05-27 | 2017-11-30 | 株式会社Ihi | 軸受、および、過給機 |
Also Published As
Publication number | Publication date |
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JPWO2021075155A1 (ja) | 2021-04-22 |
US20220120194A1 (en) | 2022-04-21 |
WO2021075155A1 (ja) | 2021-04-22 |
CN114364867A (zh) | 2022-04-15 |
DE112020005015T5 (de) | 2022-07-07 |
US11719125B2 (en) | 2023-08-08 |
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