JPH02119521U - - Google Patents

Info

Publication number
JPH02119521U
JPH02119521U JP1990027115U JP2711590U JPH02119521U JP H02119521 U JPH02119521 U JP H02119521U JP 1990027115 U JP1990027115 U JP 1990027115U JP 2711590 U JP2711590 U JP 2711590U JP H02119521 U JPH02119521 U JP H02119521U
Authority
JP
Japan
Prior art keywords
intermediate bearing
rotor
blades
cavity
shaft
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.)
Pending
Application number
JP1990027115U
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPH02119521U publication Critical patent/JPH02119521U/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • 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)
  • Turbine Rotor Nozzle Sealing (AREA)

Description

【図面の簡単な説明】
第１図は本考案を組込まれていないロータ及び
その支持系を示す解図的部分縦断面図である。第
２図は本考案による粘性流体ダンパ型軸受を組込
まれたロータ支持系を示す第１図と同様の解図的
部分縦断面図である。第３図は本考案による粘性
流体ダンパ型軸受の一つの実施例を示す解図的拡
大部分縦断面図である。 １０……ロータ、１２〜１６……軸受、１８…
…シヤフト、２０……圧縮機ブレード、２２……
タービンブレード、２４……中心線、３０……心
出しばね、３２……オイルダンパ、４０……ロー
ラ軸受、４２……インナレース、４４……アウタ
レース、４６……ローラ、４８……ケージ、５０
……シヤフト、５２，５４……端部固定部材、５
６……支持リング、５８……ロツクナツト／リベ
ツト組立体、５９，６０……環状シール、６２…
…外周面、６４……環状リング、７０……片持ち
ばね、７２……ケーシング支持部材、７４……ナ
ツト、７６……延在部、７８……ナツト。

Claims (1)

  1. 【実用新案登録請求の範囲】 所定の比推力燃料消費量値を有するタービン型
    動力装置にして、 ケーシングに包囲されたロータであつて、一端
    に於て複数の圧縮機ブレードを担持し他端に於て
    複数のタービンブレードを担持する回転可能な軸
    を有するロータと、 前記軸に沿つて軸線方向に隔置された前記軸を
    回転可能に支持する軸受であつて、前記圧縮機ブ
    レードと前記タービンブレードの間に配置された
    一つの中間軸受を含む少なくとも二つの軸受と、 前記中間軸受上に配置された流体ダンパ装置で
    あつて、前記中間軸受に隣接して設けられたキヤ
    ビテイを含み、前記キヤビテイは動力装置が運転
    モードにあるとき前記中間軸受を支持するために
    作動流体が供給されるように構成された流体ダン
    パ装置と、 前記軸は前記キヤビテイの深さの関数として撓
    み且それと同様の量だけ前記圧縮機ブレードを半
    径方向外方へ移動させるようになつていることと
    、 前記圧縮機ブレードの先端部は前記ケーシング
    の内周面に接触することがないよう前記内周面よ
    り十分に隔置されていることと、 前記圧縮機ブレードの先端部の移動距離を減小
    させることによつて比推力燃料消費量を改善させ
    る装置であつて、前記中間軸受によつて前記キヤ
    ビテイの深さが変化することがないように前記中
    間軸受に取付けられたばね装置を含む装置と、 を含んでおり、 前記軸の回転速度が定常状態運転速度まで増加
    するとき加速及びジヤイロスコープ的力によつて
    前記ロータに加わる負荷に対応した前記ロータの
    撓み量を最小化し且大きなロータの不平衡条件下
    に於ても油膜減衰機能が保持されるよう十分な柔
    軟性が維持されるように前記ばね装置のばね定数
    が選択されていることを特徴とする動力装置。
JP1990027115U 1980-12-11 1990-03-16 Pending JPH02119521U (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21530280A 1980-12-11 1980-12-11

Publications (1)

Publication Number Publication Date
JPH02119521U true JPH02119521U (ja) 1990-09-26

Family

ID=22802443

Family Applications (2)

Application Number Title Priority Date Filing Date
JP56192697A Pending JPS57173613A (en) 1980-12-11 1981-11-30 Sticky fluid damper type bearing
JP1990027115U Pending JPH02119521U (ja) 1980-12-11 1990-03-16

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP56192697A Pending JPS57173613A (en) 1980-12-11 1981-11-30 Sticky fluid damper type bearing

Country Status (4)

Country Link
JP (2) JPS57173613A (ja)
CA (1) CA1161763A (ja)
FR (1) FR2496169B1 (ja)
GB (1) GB2089442B (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57179418A (en) * 1981-04-30 1982-11-05 Hitachi Ltd Flexible damping bearing
US4429923A (en) * 1981-12-08 1984-02-07 United Technologies Corporation Bearing support structure
US4453783A (en) * 1981-12-28 1984-06-12 United Technologies Corporation Bearing support structure
US4570045A (en) * 1984-03-08 1986-02-11 Jeppson Morris R Conveyorized microwave heating chamber with dielectric wall structure
GB8421142D0 (en) * 1984-08-20 1984-09-26 Brown R D Damping device
US4657410A (en) * 1986-03-25 1987-04-14 United Technologies Corporation Nutation damper
DE4019720A1 (de) * 1990-06-21 1992-01-09 Bmw Rolls Royce Gmbh Druckflusskalibrierung beim quetschoeldaempfer
FR3009843B1 (fr) * 2013-08-26 2015-09-25 Snecma Colonnettes de support d'une bague exterieure de palier de roulement pour turbomachine d'aeronef, et procede de montage desdites colonnettes
US9488071B2 (en) 2015-03-27 2016-11-08 United Technologies Corporation Piston ring anti-rotation
FR3085408B1 (fr) * 2018-08-28 2020-08-07 Safran Aircraft Engines Perfectionnements aux turbomachines
FR3120899B1 (fr) * 2021-03-18 2023-05-26 Safran Aircraft Engines Dispositif de centrage et de guidage d’un arbre de turbomachine d’aeronef

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3456992A (en) * 1967-04-07 1969-07-22 Curtiss Wright Corp Vibration damping device
JPS5572911A (en) * 1978-10-19 1980-06-02 Gen Electric Bearing assembly

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB928250A (en) * 1962-01-12 1963-06-12 Rolls Royce Bearing
GB988500A (en) * 1964-02-21 1965-04-07 Rolls Royce Bearing
GB1421377A (en) * 1972-04-18 1976-01-14 Rolls Royce Bearing assemblies
US3994541A (en) * 1975-10-03 1976-11-30 Carrier Corporation Bearing assembly
GB2033024A (en) * 1978-10-19 1980-05-14 Gen Electric Bearing assembly with resilient support means

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3456992A (en) * 1967-04-07 1969-07-22 Curtiss Wright Corp Vibration damping device
JPS5572911A (en) * 1978-10-19 1980-06-02 Gen Electric Bearing assembly

Also Published As

Publication number Publication date
GB2089442A (en) 1982-06-23
GB2089442B (en) 1985-03-27
FR2496169A1 (fr) 1982-06-18
JPS57173613A (en) 1982-10-26
FR2496169B1 (fr) 1988-04-29
CA1161763A (en) 1984-02-07

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