JP6781071B2 - 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
- JP6781071B2 JP6781071B2 JP2017033474A JP2017033474A JP6781071B2 JP 6781071 B2 JP6781071 B2 JP 6781071B2 JP 2017033474 A JP2017033474 A JP 2017033474A JP 2017033474 A JP2017033474 A JP 2017033474A JP 6781071 B2 JP6781071 B2 JP 6781071B2
- Authority
- JP
- Japan
- Prior art keywords
- holding member
- race
- outer race
- bearing holding
- 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.)
- Active
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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
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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
- 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
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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
- F16C33/30—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
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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
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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
- F16C35/067—Fixing them in a housing
-
- 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)
- Vibration Prevention Devices (AREA)
- Rolling Contact Bearings (AREA)
Description
41 スリーブ(回転軸)
44 ベアリング保持部材
44a 調整溝
45 インナーレース
46 アウターレース
47 ボール(転動体)
53 シールリング
54 環状空間
Claims (1)
- 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、前記アウターレース(46)の外周の軸方向両端部に設けられて前記ベアリング保持部材(44)の内周に弾発的に当接する一対のシールリング(53)と、前記アウターレース(46)の外周、前記ベアリング保持部材(44)の内周および前記一対のシールリング(53)間に区画されてスクイズフィルムを構成する環状空間(54)と、前記一対のシールリング(53)に挟まれた前記ベアリング保持部材(44)の内周に形成された環状の調整溝(44a)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、
前記調整溝(44a)の径方向深さは、該調整溝(44a)の軸方向中央側から少なくとも軸方向一端側に向かってゼロまで漸減す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。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017033474A JP6781071B2 (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 |
US15/898,927 US10132351B2 (en) | 2017-02-24 | 2018-02-19 | Squeeze film damper bearing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017033474A JP6781071B2 (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 |
---|---|
JP2018138806A JP2018138806A (ja) | 2018-09-06 |
JP6781071B2 true JP6781071B2 (ja) | 2020-11-04 |
Family
ID=63246159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017033474A Active JP6781071B2 (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) | US10132351B2 (ja) |
JP (1) | JP6781071B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10654569B2 (en) * | 2018-07-30 | 2020-05-19 | Textron Innovations Inc. | Mast bearing system for a tiltrotor aircraft |
CN110778609B (zh) * | 2019-09-27 | 2021-06-18 | 广东槊精实业有限公司 | 一种可变内径轴承的变径方法 |
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 |
US11041525B1 (en) * | 2020-01-23 | 2021-06-22 | Bell Textron Inc. | Mast bearing race |
US11971054B2 (en) * | 2020-10-19 | 2024-04-30 | General Electric Company | Damping device for damping shaft vibration |
CN113958591B (zh) * | 2021-10-14 | 2023-06-02 | 中国航发沈阳发动机研究所 | 一种航空发动机锁紧结构 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3784267A (en) * | 1972-12-15 | 1974-01-08 | Gen Motors Corp | Squeeze film bearing support movement limiting apparatus |
US4527912A (en) * | 1984-05-31 | 1985-07-09 | General Motors Corporation | Squeeze film damper |
EP0854314B1 (en) * | 1993-03-18 | 2003-08-20 | B a r m a g AG | Method for supplying a lubricant to an antifriction bearing |
JPH11141545A (ja) * | 1997-11-07 | 1999-05-25 | Mitsubishi Heavy Ind Ltd | スクイーズフィルムダンパー軸受 |
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 |
JP2003083325A (ja) | 2001-09-11 | 2003-03-19 | Ishikawajima Harima Heavy Ind Co Ltd | スクイーズフィルムダンパー軸受 |
JP2003139134A (ja) * | 2001-11-06 | 2003-05-14 | Ishikawajima Harima Heavy Ind Co Ltd | スクィーズフィルムダンパ軸受 |
US9951817B2 (en) * | 2014-12-04 | 2018-04-24 | United Technologies Corporation | Integral oil damper and jet for lubrication of bearings and seals |
-
2017
- 2017-02-24 JP JP2017033474A patent/JP6781071B2/ja active Active
-
2018
- 2018-02-19 US US15/898,927 patent/US10132351B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US10132351B2 (en) | 2018-11-20 |
JP2018138806A (ja) | 2018-09-06 |
US20180245630A1 (en) | 2018-08-30 |
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