JP6130842B2 - 動的に潤滑される軸受および軸受を動的に潤滑する方法 - Google Patents
動的に潤滑される軸受および軸受を動的に潤滑する方法 Download PDFInfo
- Publication number
- JP6130842B2 JP6130842B2 JP2014534579A JP2014534579A JP6130842B2 JP 6130842 B2 JP6130842 B2 JP 6130842B2 JP 2014534579 A JP2014534579 A JP 2014534579A JP 2014534579 A JP2014534579 A JP 2014534579A JP 6130842 B2 JP6130842 B2 JP 6130842B2
- Authority
- JP
- Japan
- Prior art keywords
- cage
- bearing
- inner ring
- outer ring
- lubricant
- 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
Links
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
- 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
- F16C33/6681—Details of distribution or circulation inside the bearing, e.g. grooves on the cage or passages in the rolling elements
-
- 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
- F16C33/38—Ball cages
- F16C33/3837—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages
- F16C33/3843—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages
-
- 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
- F16C33/38—Ball cages
- F16C33/3887—Details of individual pockets, e.g. shape or ball retaining means
-
- 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
- F16C33/583—Details of specific parts of races
-
- 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
- F16C33/6677—Details of supply of the liquid to the bearing, e.g. passages or nozzles from radial inside, e.g. via a passage through the shaft and/or inner ring
-
- 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
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
-
- 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
-
- 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
- F16C33/6662—Details of supply of the liquid to the bearing, e.g. passages or nozzles the liquid being carried by air or other gases, e.g. mist lubrication
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Description
12 ナセル
14 コアエンジンモジュール
16 ファン組立体
18 ファンブレード
20 入口ダクト
22 高圧圧縮機
24 燃焼器
26 高圧タービン
28 低圧タービン
30 一次排気ノズル
32 バイパスダクト
34 ファン出口ノズル
35 中心線
36 シャフト
38 軸受
40 内輪
42 外輪
44 回転要素
46 ケージ
48 入口
50、52 溝
54、56 接点(パッチ)
58 環状の空洞
60 ケージランド
62、64 軸方向の端部
100 軸受
102 内輪
104 外輪
106 回転要素
108 ケージ
110、112 溝
114、116 軸方向の端部
118 入口オリフィス
120 軸受の空洞
122 機構
124、126 ケージランド
128 軸受の軸
130 外側の対立する面
132 内側の対立する面
134、136 側部レール
138 スペーサ
140 回転要素の進行方向
142 ケージポケット
144 凹部
148 半球状の凹部
α 鋭角
β 鈍角
d 機構の深さ
Claims (8)
- 動的に潤滑される軸受であって、
一対の内輪ケージランドの間に内輪溝を有する、回転する内輪と、
前記内輪を取り囲むことにより、その間に環状形状の空洞を画定し、一対の外輪ケージランドの間にあり前記内輪溝と対向する、回転しない外輪溝を有する外輪と、
前記内輪と前記外輪の間に配設され、回転する際、前記内輪溝および前記外輪溝と接触する回転要素と、
前記回転要素の間を分離して維持するために前記内輪と前記外輪の間に配設されるケージであって、側部レールと、その間のスペーサとを備え、これらが一緒にポケットを画定し、前記ポケットの中で前記各々の回転要素が個々に収容され、前記側部レールが、前記外輪の前記外輪ケージランドに面する前記ケージの一対の外側の対立する面と、前記内輪の前記内輪ケージランドに面する、前記ケージの対向するように配設された一対の内側の対立する面とを画定するケージと、
前記内輪と前記外輪の間の前記空洞に潤滑剤を取り込むための手段と、
前記ケージの前記ポケットの中に空気が進入することを可能にする前記ケージ内の機構と
を備え、
前記ケージ内の機構は、前記ケージの前記側部レールの少なくとも一方を貫通する貫通穴機構を含み、
前記貫通穴機構は、前記軸受の一対の軸方向の端部の少なくとも一方を取り囲む外部環境に前記ケージの前記内側の対立する面を流体式に直接相互接続し、
前記ケージ内の機構は、前記ポケットに進入した空気が前記潤滑剤を前記軸受の前記空洞から排出させるよう構成され、
前記貫通穴機構は、前記ケージの前記側部レールの1つにある第1の穴と、前記ケージの前記内輪の内径にある少なくとも1つの第2の穴とを備え、該第1及び第2の穴が流路により流体的に直接相互接続している
動的に潤滑される軸受。
- 前記貫通穴機構が、前記回転要素が前記内輪溝および外輪溝の中で進行する方向に対して鋭角で傾斜されるように配向される、請求項1記載の動的に潤滑される軸受。
- 前記貫通穴機構が、2.5mmミリメートル未満の直径を有する、請求項1記載の動的に潤滑される軸受。
- 前記ケージの前記ポケットの角に画定される凹部をさらに備え、前記凹部が、前記ポケット内で前記回転要素の周りに潤滑剤の流路を画定する、請求項1記載の動的に潤滑される軸受。
- 前記機構の数が、前記回転要素の数に一致する、請求項1記載の動的に潤滑される軸受。
- 前記潤滑剤取込み手段が、前記内輪を貫通する少なくとも1つのオリフィスである、請求項1記載の動的に潤滑される軸受。
- 前記回転要素の各々の隣接する対が、前記ケージの前記スペーサの1つによって隔てられ、前記ケージが、前記回転要素に面する前記スペーサの面上にへこんだくぼみを備える、請求項1記載の動的に潤滑される軸受。
- 請求項1の前記動的に潤滑される軸受を動的に潤滑する方法であって、
前記軸受をガスタービンエンジン内に設置することで、前記ガスタービンエンジンの圧縮機とタービンを相互接続するシャフトを支持するステップと、
前記内輪と前記外輪の間の前記空洞内に潤滑剤を取り込むステップと、
前記外輪に対して前記内輪を回転させることで、前記機構を介して前記ケージの前記ポケットに空気が進入し、前記潤滑剤が前記軸受の前記空洞を出るようにするステップと
を含む方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/269,686 | 2011-10-10 | ||
US13/269,686 US8979383B2 (en) | 2011-10-10 | 2011-10-10 | Dynamically-lubricated bearing and method of dynamically lubricating a bearing |
PCT/US2012/054967 WO2013055484A1 (en) | 2011-10-10 | 2012-09-13 | Dynamically-lubricated bearing and method of dynamically lubricating a bearing |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2014534388A JP2014534388A (ja) | 2014-12-18 |
JP2014534388A5 JP2014534388A5 (ja) | 2015-11-05 |
JP6130842B2 true JP6130842B2 (ja) | 2017-05-17 |
Family
ID=46934730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014534579A Active JP6130842B2 (ja) | 2011-10-10 | 2012-09-13 | 動的に潤滑される軸受および軸受を動的に潤滑する方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8979383B2 (ja) |
EP (1) | EP2766622B1 (ja) |
JP (1) | JP6130842B2 (ja) |
CN (1) | CN103842674B (ja) |
CA (1) | CA2850428C (ja) |
WO (1) | WO2013055484A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11162535B2 (en) * | 2019-01-15 | 2021-11-02 | Rolls-Royce Corporation | Bearing for use in high speed application |
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JP5876237B2 (ja) * | 2011-06-27 | 2016-03-02 | Ntn株式会社 | 玉軸受用の合成樹脂製保持器および玉軸受 |
US9243667B2 (en) * | 2013-06-17 | 2016-01-26 | Jtekt Corporation | Tapered roller bearing and power transmission device using tapered roller bearing |
GB201314050D0 (en) | 2013-08-06 | 2013-09-18 | Rolls Royce Plc | Tapered oil feed bearing cage |
JP6443106B2 (ja) * | 2015-02-16 | 2018-12-26 | 株式会社ジェイテクト | 転がり軸受装置 |
JP6599108B2 (ja) * | 2015-02-20 | 2019-10-30 | Ntn株式会社 | 円すいころ軸受 |
US9822817B2 (en) * | 2015-04-28 | 2017-11-21 | Rolls-Royce Corporation | High speed bearing assembly |
US10458270B2 (en) | 2015-06-23 | 2019-10-29 | United Technologies Corporation | Roller bearings for high ratio geared turbofan engine |
US10767753B2 (en) * | 2015-06-25 | 2020-09-08 | Raytheon Technologies Corporation | Rolling element cage for geared turbofan |
DE102015223255A1 (de) * | 2015-11-25 | 2017-06-01 | Schaeffler Technologies AG & Co. KG | Kugellagerkäfig |
TWI704298B (zh) | 2016-11-04 | 2020-09-11 | 日商日本精工股份有限公司 | 保持器及具備其之滾動軸承 |
GB2567202A (en) * | 2017-10-05 | 2019-04-10 | Edwards Ltd | Bearing cage retainer |
CN108488236A (zh) * | 2018-05-17 | 2018-09-04 | 中国航发哈尔滨轴承有限公司 | 一种润滑结构的圆柱滚子轴承及配套的压紧螺母 |
CN112648295B (zh) * | 2019-10-09 | 2022-07-08 | 中国航发商用航空发动机有限责任公司 | 一种航空发动机的轴承组件及航空发动机 |
FR3112824B1 (fr) * | 2020-07-27 | 2023-01-20 | Safran Aircraft Engines | Cage de roulement avec dispositif de lubrification |
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-
2011
- 2011-10-10 US US13/269,686 patent/US8979383B2/en not_active Expired - Fee Related
-
2012
- 2012-09-13 JP JP2014534579A patent/JP6130842B2/ja active Active
- 2012-09-13 CA CA2850428A patent/CA2850428C/en not_active Expired - Fee Related
- 2012-09-13 CN CN201280049777.6A patent/CN103842674B/zh active Active
- 2012-09-13 WO PCT/US2012/054967 patent/WO2013055484A1/en active Application Filing
- 2012-09-13 EP EP12766262.5A patent/EP2766622B1/en not_active Not-in-force
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11162535B2 (en) * | 2019-01-15 | 2021-11-02 | Rolls-Royce Corporation | Bearing for use in high speed application |
Also Published As
Publication number | Publication date |
---|---|
CN103842674A (zh) | 2014-06-04 |
JP2014534388A (ja) | 2014-12-18 |
WO2013055484A1 (en) | 2013-04-18 |
CN103842674B (zh) | 2017-03-08 |
EP2766622A1 (en) | 2014-08-20 |
CA2850428C (en) | 2019-09-10 |
US20130087413A1 (en) | 2013-04-11 |
EP2766622B1 (en) | 2017-05-17 |
CA2850428A1 (en) | 2013-04-18 |
US8979383B2 (en) | 2015-03-17 |
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