JP6540819B2 - 軸受構造、および、過給機 - Google Patents
軸受構造、および、過給機 Download PDFInfo
- Publication number
- JP6540819B2 JP6540819B2 JP2017546512A JP2017546512A JP6540819B2 JP 6540819 B2 JP6540819 B2 JP 6540819B2 JP 2017546512 A JP2017546512 A JP 2017546512A JP 2017546512 A JP2017546512 A JP 2017546512A JP 6540819 B2 JP6540819 B2 JP 6540819B2
- Authority
- JP
- Japan
- Prior art keywords
- thrust
- bearing
- shaft
- damper
- main body
- 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
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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
- 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
- F16C17/102—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure
-
- 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
- F02B39/005—Cooling of pump drives
-
- 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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/041—Axial thrust balancing
- F04D29/0413—Axial thrust balancing hydrostatic; hydrodynamic thrust bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
- F04D29/047—Bearings hydrostatic; hydrodynamic
- F04D29/0473—Bearings hydrostatic; hydrodynamic for radial pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/051—Axial thrust balancing
- F04D29/0513—Axial thrust balancing hydrostatic; hydrodynamic thrust bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
- F04D29/057—Bearings hydrostatic; hydrodynamic
-
- 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
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/02—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
- F16C37/00—Cooling of 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
- F16C37/00—Cooling of bearings
- F16C37/007—Cooling of bearings of rolling 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
- F16C2360/00—Engines or pumps
- F16C2360/23—Gas turbine engines
- F16C2360/24—Turbochargers
Description
S 軸受構造
Sa、Sb 間隙
Sd 空隙
2 ベアリングハウジング(ハウジング)
2e 内周面
2f、2g、2i、2j、82i 第1空間(空間)
7 セミフローティング軸受(軸受)
7a 本体部
7b、7c 軸受面
7f、7g、7h、7i スラスト面
7j、7s 突出部
7k、77k、117k スラスト背面部
7m 延在部
7n、57n、67n、97n、107n 周溝
8 シャフト
8a、88a 第1大径部(対向部)
21 油切り部材(対向部)
57p、67p、97p 陥没部
67q、107q 環状溝
Claims (8)
- ハウジングに形成された軸受孔と、
前記軸受孔に設けられ、シャフトが挿通される軸受の本体部と、
前記本体部の外周面に設けられ、前記軸受孔の内周面に対向するダンパ面と、
前記本体部のうち前記シャフトの軸方向の端部に設けられたスラスト面と、
前記本体部に設けられ、前記ダンパ面よりも外径が大きく、前記ダンパ面と前記軸受孔の内周面との距離よりも前記ダンパ面から離隔した、前記スラスト面の背面に位置するスラスト背面部と、
を備える軸受構造。 - 前記本体部には、前記スラスト背面部から前記ダンパ面まで延在する延在部が設けられている請求項1に記載の軸受構造。
- 前記シャフトに設けられ、前記スラスト面と対向する対向部と、
前記ダンパ面と前記軸受孔の内周面との間に形成される間隙と前記軸方向に連続し、前記対向部と前記スラスト面との間に形成される空隙に対して、前記シャフトの径方向に連続する空間と、
を備える請求項1または2に記載の軸受構造。 - 前記スラスト背面部は、前記シャフトの径方向に対して傾斜している請求項1から3のいずれか1項に記載の軸受構造。
- 前記本体部のうち前記ダンパ面と前記スラスト背面部との間には、前記本体部の周方向に延在する、前記ダンパ面よりも外径が小さい周溝が形成されている請求項1から4のいずれか1項に記載の軸受構造。
- 前記周溝の表面には、径方向に突出する隆起部、および、径方向に陥没する陥没部のいずれか一方または双方が形成されている請求項5に記載の軸受構造。
- 前記陥没部は、前記周溝の表面よりも径が小さい環状溝である請求項6に記載の軸受構造。
- 前記請求項1から7のいずれか1項に記載の軸受構造を備える過給機。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015207359 | 2015-10-21 | ||
JP2015207359 | 2015-10-21 | ||
PCT/JP2016/080243 WO2017069025A1 (ja) | 2015-10-21 | 2016-10-12 | 軸受構造、および、過給機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017069025A1 JPWO2017069025A1 (ja) | 2018-08-02 |
JP6540819B2 true JP6540819B2 (ja) | 2019-07-10 |
Family
ID=58557588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017546512A Active JP6540819B2 (ja) | 2015-10-21 | 2016-10-12 | 軸受構造、および、過給機 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10677287B2 (ja) |
JP (1) | JP6540819B2 (ja) |
CN (1) | CN108138844B (ja) |
DE (1) | DE112016004855B4 (ja) |
WO (1) | WO2017069025A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210301680A1 (en) * | 2020-03-24 | 2021-09-30 | Borgwarner Inc. | Bearing housing assembly and turbocharger including the same |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017026292A1 (ja) * | 2015-08-11 | 2017-02-16 | 株式会社Ihi | 軸受構造、および、過給機 |
DE112017001796B4 (de) * | 2016-03-31 | 2022-06-09 | Ihi Corporation | Turbolader |
US20180283269A1 (en) * | 2017-03-29 | 2018-10-04 | GM Global Technology Operations LLC | Turbocharger for a vehicle engine |
JP6510096B1 (ja) * | 2018-02-08 | 2019-05-08 | 三菱重工業株式会社 | 過給機 |
JP6954857B2 (ja) * | 2018-03-08 | 2021-10-27 | 三菱重工業株式会社 | 過給機 |
DE102018106440A1 (de) * | 2018-03-20 | 2019-09-26 | GM Global Technology Operations LLC | Turbolader für einen Fahrzeugmotor |
WO2022118606A1 (ja) * | 2020-12-02 | 2022-06-09 | 株式会社Ihi | 軸受構造、および、過給機 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58152527U (ja) * | 1982-04-07 | 1983-10-12 | 石川島播磨重工業株式会社 | 過給機の軸受装置 |
JPH0565829A (ja) | 1991-09-05 | 1993-03-19 | Hitachi Ltd | 過給機 |
JPH09242554A (ja) | 1996-03-06 | 1997-09-16 | Ishikawajima Harima Heavy Ind Co Ltd | ターボチャージャのシール構造 |
US6017184A (en) * | 1997-08-06 | 2000-01-25 | Allied Signal Inc. | Turbocharger integrated bearing system |
JP2005133635A (ja) | 2003-10-30 | 2005-05-26 | Toyota Motor Corp | ターボチャージャの軸受構造 |
US8535022B2 (en) * | 2006-06-21 | 2013-09-17 | Ihi Corporation | Bearing structure of rotating machine, rotating machine, method of manufacturing bearing structure, and method of manufacturing rotating machine |
US7670056B2 (en) | 2007-03-22 | 2010-03-02 | Honeywell International Inc. | Stepped outer diameter semi-floating bearing |
JP2010138757A (ja) * | 2008-12-10 | 2010-06-24 | Toyota Motor Corp | ターボチャージャ |
JP2012193709A (ja) * | 2011-03-17 | 2012-10-11 | Toyota Industries Corp | ターボチャージャの軸受構造 |
CN103492733B (zh) * | 2011-04-27 | 2016-08-31 | 株式会社Ihi | 推力轴承构造以及具备该推力轴承构造的增压器 |
JP2014009701A (ja) | 2012-06-27 | 2014-01-20 | Toyota Motor Corp | 軸受装置 |
JP6017865B2 (ja) | 2012-07-06 | 2016-11-02 | 大豊工業株式会社 | ターボチャージャーのすべり軸受、及びターボチャージャーの軸受構造 |
JP2014043804A (ja) | 2012-08-27 | 2014-03-13 | Ihi Corp | 過給機 |
JP6070232B2 (ja) * | 2013-02-05 | 2017-02-01 | 株式会社Ihi | 過給機 |
JP6241146B2 (ja) | 2013-08-30 | 2017-12-06 | 株式会社Ihi | ロータ軸支持構造及び過給機 |
-
2016
- 2016-10-12 WO PCT/JP2016/080243 patent/WO2017069025A1/ja active Application Filing
- 2016-10-12 CN CN201680060818.XA patent/CN108138844B/zh active Active
- 2016-10-12 DE DE112016004855.6T patent/DE112016004855B4/de active Active
- 2016-10-12 JP JP2017546512A patent/JP6540819B2/ja active Active
-
2018
- 2018-04-18 US US15/955,833 patent/US10677287B2/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210301680A1 (en) * | 2020-03-24 | 2021-09-30 | Borgwarner Inc. | Bearing housing assembly and turbocharger including the same |
US11280218B2 (en) * | 2020-03-24 | 2022-03-22 | Borgwarner Inc. | Bearing housing assembly and turbocharger including the same |
Also Published As
Publication number | Publication date |
---|---|
WO2017069025A1 (ja) | 2017-04-27 |
US10677287B2 (en) | 2020-06-09 |
DE112016004855B4 (de) | 2020-11-05 |
DE112016004855T5 (de) | 2018-07-05 |
CN108138844B (zh) | 2021-03-02 |
CN108138844A (zh) | 2018-06-08 |
US20180231053A1 (en) | 2018-08-16 |
JPWO2017069025A1 (ja) | 2018-08-02 |
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