JP6856404B2 - スクイズフィルムダンパベアリング装置 - Google Patents
スクイズフィルムダンパベアリング装置 Download PDFInfo
- Publication number
- JP6856404B2 JP6856404B2 JP2017033473A JP2017033473A JP6856404B2 JP 6856404 B2 JP6856404 B2 JP 6856404B2 JP 2017033473 A JP2017033473 A JP 2017033473A JP 2017033473 A JP2017033473 A JP 2017033473A JP 6856404 B2 JP6856404 B2 JP 6856404B2
- Authority
- JP
- Japan
- Prior art keywords
- space
- outer race
- squeeze film
- race
- bearing
- 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.)
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Classifications
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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
- 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
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/06—Elastic or yielding bearings or bearing supports, for exclusively rotary movement by means of parts of rubber or like materials
- F16C27/066—Ball or roller 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/581—Raceways; Race rings integral with other parts, e.g. with housings or machine elements such as shafts or gear wheels
-
- 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
- F16C33/6685—Details of collecting or draining, e.g. returning the liquid to a sump
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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
- 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
- F16C35/063—Fixing them on the shaft
-
- 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
- F16C35/067—Fixing them in a housing
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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
- F01D25/162—Bearing supports
- F01D25/164—Flexible supports; Vibration damping means associated with 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
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/24—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly
- F16C19/26—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly with a single row of rollers
-
- 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
- F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
- F16C2226/50—Positive connections
- F16C2226/60—Positive connections with threaded parts, e.g. bolt and nut connections
-
- 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
- F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
- F16C2226/50—Positive connections
- F16C2226/62—Positive connections with pins, bolts or dowels
-
- 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)
- Support Of The Bearing (AREA)
- Rolling Contact Bearings (AREA)
Description
41 スリーブ(回転軸)
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)
53R シールリング
53T シールリング
54 環状空間
55 第1空間
56 第2空間
61 中間シールリング
Claims (2)
- 回転軸(15,41)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、前記ベアリング保持部材(44)および前記アウターレース(46)間に一対のシールリング(53R,53T)により区画されてスクイズフィルムを構成する環状空間(54)とを備えるスクイズフィルムダンパベアリング装置であって、
前記環状空間(54)は、前記アウターレース(46)の外周面に臨む第1空間(55)と、前記アウターレース(46)の軸方向端面に臨む第2空間(56)とからなり、
前記第1空間(55)と前記第2空間(56)との間に両者間を仕切る中間シールリング(61)を備えることを特徴とするスクイズフィルムダンパベアリング装置。 - 一対の前記第2空間(56)が前記アウターレース(46)の軸方向両端面に臨むように区画されることを特徴とする、請求項1に記載のスクイズフィルムダンパベアリング装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017033473A JP6856404B2 (ja) | 2017-02-24 | 2017-02-24 | スクイズフィルムダンパベアリング装置 |
US15/898,921 US10400819B2 (en) | 2017-02-24 | 2018-02-19 | Squeeze film damper bearing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017033473A JP6856404B2 (ja) | 2017-02-24 | 2017-02-24 | スクイズフィルムダンパベアリング装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018138805A JP2018138805A (ja) | 2018-09-06 |
JP6856404B2 true JP6856404B2 (ja) | 2021-04-07 |
Family
ID=63246666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017033473A Active JP6856404B2 (ja) | 2017-02-24 | 2017-02-24 | スクイズフィルムダンパベアリング装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US10400819B2 (ja) |
JP (1) | JP6856404B2 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10352193B2 (en) * | 2017-08-16 | 2019-07-16 | United Technologies Corporation | Bearing centering spring and damper |
CN109281944B (zh) * | 2018-10-19 | 2021-01-12 | 中国科学院工程热物理研究所 | 一种发动机转子支点中深沟球轴承的轴向力预加载结构 |
FR3091902B1 (fr) * | 2019-01-23 | 2021-07-02 | Safran Aircraft Engines | Dispositif pour le centrage et le guidage en rotation d’un arbre de turbomachine comprenant plusieurs films fluides d’amortissement optimisés |
US10808753B1 (en) * | 2019-06-03 | 2020-10-20 | Raytheon Technologies Corporation | Method and apparatus for mounting multiple bearings on a shaft |
FR3096744B1 (fr) * | 2019-06-03 | 2022-01-14 | Safran Aircraft Engines | Ensemble de support et de guidage d’un arbre d’entrainement de turbomachine d’aeronef |
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 |
CN115103954B (zh) * | 2020-02-20 | 2024-02-09 | 三菱重工发动机和增压器株式会社 | 涡轮增压器 |
US11674548B2 (en) * | 2020-06-26 | 2023-06-13 | Raytheon Technologies Corporation | Low profile rotating bearing centering spring |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
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US4337983A (en) * | 1980-12-11 | 1982-07-06 | United Technologies Corporation | Viscous damper |
JPS59212514A (ja) | 1983-05-18 | 1984-12-01 | Toshiba Corp | スラスト軸受 |
US4527912A (en) * | 1984-05-31 | 1985-07-09 | General Motors Corporation | Squeeze film damper |
DE3532456A1 (de) * | 1985-09-11 | 1987-03-19 | Mtu Muenchen Gmbh | Zwischenwellen(intershaft)-lager mit squeezefilmdaempfung mit oder ohne squirrel-cage |
US5071262A (en) * | 1990-11-05 | 1991-12-10 | General Electric Company | Squeeze film damper fluid control |
US5178400A (en) * | 1991-01-14 | 1993-01-12 | General Electric Company | Squeeze film damper seal |
US5149206A (en) * | 1991-04-17 | 1992-09-22 | General Electric Company | Hydraulic shaft damper pressure control |
US5228784A (en) * | 1991-05-16 | 1993-07-20 | General Electric Company | Squeeze film damper composite ring seal |
US5201585A (en) * | 1991-12-31 | 1993-04-13 | General Electric Company | Fluid film journal bearing with squeeze film damper for turbomachinery |
JPH0893775A (ja) | 1994-09-22 | 1996-04-09 | Nippon Seiko Kk | 転がり軸受 |
JPH112240A (ja) * | 1997-06-10 | 1999-01-06 | Ishikawajima Harima Heavy Ind Co Ltd | スクイーズフィルムダンパ軸受 |
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 |
FR2845138B1 (fr) * | 2002-10-01 | 2004-12-17 | Snecma Moteurs | Palier a roulement amorti a l'huile |
EP1431600A1 (fr) * | 2002-12-20 | 2004-06-23 | Techspace Aero S.A. | Palier à roulement muni d'un "squeeze film" pour l'absorption de charge en cas de perte d'aube |
FR2876758B1 (fr) * | 2004-10-19 | 2008-04-18 | Snecma Moteurs Sa | Dispositif de support et de guidage d'un arbre en rotation |
DE102007023242A1 (de) * | 2007-05-18 | 2008-11-20 | Schaeffler Kg | Rundtischlager |
US8696312B2 (en) * | 2010-02-01 | 2014-04-15 | Pratt & Whitney Canada Corp. | Axial load damping system for rotor shaft |
FR2965858B1 (fr) * | 2010-10-07 | 2012-11-02 | Turbomeca | Amortisseur a compression de film liquide |
CN104246145B (zh) * | 2012-04-25 | 2016-08-17 | 通用电气公司 | 用于装配阻尼器轴承组件的装置和方法 |
US20130294917A1 (en) * | 2012-05-07 | 2013-11-07 | Honeywell International Inc. | Apparatuses including a rotor group and methods of damping the apparatuses |
US9951817B2 (en) * | 2014-12-04 | 2018-04-24 | United Technologies Corporation | Integral oil damper and jet for lubrication of bearings and seals |
US9752616B2 (en) * | 2015-03-27 | 2017-09-05 | Pratt & Withney Canada Corp. | Bearing system with bearing damper |
US10465557B2 (en) * | 2015-09-01 | 2019-11-05 | Rolls-Royce North American Technologies, Inc. | Magnetic squeeze film damper system for a gas turbine engine |
US10077713B2 (en) * | 2016-05-23 | 2018-09-18 | United Technologies Corporation | Self-pressurizing film damper |
-
2017
- 2017-02-24 JP JP2017033473A patent/JP6856404B2/ja active Active
-
2018
- 2018-02-19 US US15/898,921 patent/US10400819B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20180245629A1 (en) | 2018-08-30 |
US10400819B2 (en) | 2019-09-03 |
JP2018138805A (ja) | 2018-09-06 |
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