JP6994967B2 - 軸受装置 - Google Patents
軸受装置 Download PDFInfo
- Publication number
- JP6994967B2 JP6994967B2 JP2018016783A JP2018016783A JP6994967B2 JP 6994967 B2 JP6994967 B2 JP 6994967B2 JP 2018016783 A JP2018016783 A JP 2018016783A JP 2018016783 A JP2018016783 A JP 2018016783A JP 6994967 B2 JP6994967 B2 JP 6994967B2
- Authority
- JP
- Japan
- Prior art keywords
- squeeze film
- film damper
- bearing
- annular mass
- vibration
- 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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Images
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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/07—Fixing them on the shaft or housing with interposition of an element
- F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
-
- 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
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
-
- 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
- F16C27/04—Ball or roller bearings, e.g. with resilient rolling bodies
- F16C27/045—Ball or roller bearings, e.g. with resilient rolling bodies with a fluid film, e.g. squeeze film damping
-
- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/664—Retaining the liquid in or near the bearing
-
- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
-
- 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
- F16C2326/00—Articles relating to transporting
- F16C2326/43—Aeroplanes; Helicopters
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Support Of The Bearing (AREA)
- Vibration Prevention Devices (AREA)
Description
MeΩ2 L1=mdΩ2 L2
が成立すれば、言い換えると、
md=(L1/L2)Me
が成立するように第2マスの質量m、偏心量d、取付位置を設定すれば、回転軸のモーメントをゼロにして最大の制振力を発揮させることができる。
44 ベアリング保持部材
45 インナーレース
46 アウターレース
47 ボール(転動体)
53 スクイズフィルムダンパ
54 環状マス部材
56 第1スクイズフィルムダンパ部
57 第2スクイズフィルムダンパ部
Claims (1)
- 回転軸(41)の外周に嵌合するインナーレース(45)と、ベアリング保持部材(44)の内周にスクイズフィルムダンパ(53)を介して支持されたアウターレース(46)と、前記インナーレース(45)および前記アウターレース(46)間に配置された複数の転動体(47)とを備える軸受装置であって、
前記スクイズフィルムダンパ(53)は、前記アウターレース(46)の外周および前記ベアリング保持部材(44)の内周間にフローティング状態で配置された環状マス部材(54)と、前記アウターレース(46)の外周および前記環状マス部材(54)の内周間に形成された第1スクイズフィルムダンパ部(56)と、前記環状マス部材(54)の外周および前記ベアリング保持部材(44)の内周間に形成された第2スクイズフィルムダンパ部(57)とを備え、
前記環状マス部材(54)の重心位置は、その中心に対して偏心していることを特徴とする軸受装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018016783A JP6994967B2 (ja) | 2018-02-01 | 2018-02-01 | 軸受装置 |
US16/262,365 US10677288B2 (en) | 2018-02-01 | 2019-01-30 | Bearing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018016783A JP6994967B2 (ja) | 2018-02-01 | 2018-02-01 | 軸受装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019132392A JP2019132392A (ja) | 2019-08-08 |
JP6994967B2 true JP6994967B2 (ja) | 2022-02-04 |
Family
ID=67393253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018016783A Active JP6994967B2 (ja) | 2018-02-01 | 2018-02-01 | 軸受装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US10677288B2 (ja) |
JP (1) | JP6994967B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20200080445A1 (en) * | 2018-09-10 | 2020-03-12 | United Technologies Corporation | Reduced axial space self-pressurizing damper |
US10900379B2 (en) * | 2019-02-07 | 2021-01-26 | Raytheon Technologies Corporation | Optimizing squeeze film damper performance using entrained gas |
US11215117B2 (en) * | 2019-11-08 | 2022-01-04 | Raytheon Technologies Corporation | Gas turbine engine having electric motor applying power to the high pressure spool shaft and method for operating same |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6117434B2 (ja) | 2014-04-23 | 2017-04-19 | 小米科技有限責任公司Xiaomi Inc. | 撮影パラメータ設定方法、撮影パラメータ設定装置、プログラム及び記録媒体 |
JP6277322B2 (ja) | 2014-07-24 | 2018-02-07 | ハルビン エンジニアリング ユニバーシティ | 格納容器冷却系、及び格納容器・原子炉圧力容器共同冷却系 |
JP6389426B2 (ja) | 2014-12-08 | 2018-09-12 | 住友ゴム工業株式会社 | 空気入りタイヤ |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1421540A (en) * | 1972-11-24 | 1976-01-21 | Rolls Royce | Shaft bearing assemblies |
JPH0339618Y2 (ja) * | 1985-11-05 | 1991-08-21 | ||
JPH0532653Y2 (ja) * | 1986-12-02 | 1993-08-20 | ||
US5080499A (en) * | 1990-03-23 | 1992-01-14 | General Motors Corporation | High temperature squeeze film damper |
JP2776173B2 (ja) * | 1992-10-07 | 1998-07-16 | 日産自動車株式会社 | スクイズフィルムダンパ式軸受装置 |
JPH08261231A (ja) | 1995-03-20 | 1996-10-08 | Ishikawajima Harima Heavy Ind Co Ltd | スクイーズフィルムダンパ軸受 |
JP2000088045A (ja) * | 1998-09-16 | 2000-03-28 | Honda Motor Co Ltd | ダイナミックダンパ装置 |
EP1167788A1 (fr) * | 2000-06-30 | 2002-01-02 | Techspace Aero S.A. | Dispositif d'étanchéité d'un "squeeze film" intégré dans un palier à roulement |
US7329048B2 (en) * | 2005-07-19 | 2008-02-12 | Rolls-Royce Corporation | Self contained squeeze film damping system |
DE102006053237A1 (de) * | 2006-11-11 | 2008-05-29 | Pfeiffer Vacuum Gmbh | Lagermodul für eine Vakuumpumpe |
US8727699B2 (en) * | 2009-12-29 | 2014-05-20 | Rolls-Royce Corporation | Rotating machinery with damping system |
DE102011007250A1 (de) * | 2011-04-13 | 2012-10-18 | Schaeffler Technologies AG & Co. KG | Turboladerkartusche mit gleitlager gestütztem Wälzlager |
DE102012206556B4 (de) * | 2012-04-20 | 2015-10-29 | Schaeffler Technologies AG & Co. KG | Lagereinheit für einen Turbolader |
US9745992B2 (en) * | 2015-08-30 | 2017-08-29 | Honeywell International Inc. | Turbocharger bearing damper assembly |
JP6638444B2 (ja) * | 2016-02-09 | 2020-01-29 | 株式会社島津製作所 | 真空ポンプ |
-
2018
- 2018-02-01 JP JP2018016783A patent/JP6994967B2/ja active Active
-
2019
- 2019-01-30 US US16/262,365 patent/US10677288B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6117434B2 (ja) | 2014-04-23 | 2017-04-19 | 小米科技有限責任公司Xiaomi Inc. | 撮影パラメータ設定方法、撮影パラメータ設定装置、プログラム及び記録媒体 |
JP6277322B2 (ja) | 2014-07-24 | 2018-02-07 | ハルビン エンジニアリング ユニバーシティ | 格納容器冷却系、及び格納容器・原子炉圧力容器共同冷却系 |
JP6389426B2 (ja) | 2014-12-08 | 2018-09-12 | 住友ゴム工業株式会社 | 空気入りタイヤ |
Also Published As
Publication number | Publication date |
---|---|
US10677288B2 (en) | 2020-06-09 |
JP2019132392A (ja) | 2019-08-08 |
US20190234459A1 (en) | 2019-08-01 |
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