JPH01159132U - - Google Patents

Info

Publication number
JPH01159132U
JPH01159132U JP1988055170U JP5517088U JPH01159132U JP H01159132 U JPH01159132 U JP H01159132U JP 1988055170 U JP1988055170 U JP 1988055170U JP 5517088 U JP5517088 U JP 5517088U JP H01159132 U JPH01159132 U JP H01159132U
Authority
JP
Japan
Prior art keywords
oil film
dampers
bearing
film dampers
receiving member
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
JP1988055170U
Other languages
Japanese (ja)
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
Priority to JP1988055170U priority Critical patent/JPH01159132U/ja
Publication of JPH01159132U publication Critical patent/JPH01159132U/ja
Pending legal-status Critical Current

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
    • 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
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • F16C19/546—Systems with spaced apart rolling bearings including at least one angular contact bearing
    • F16C19/547—Systems with spaced apart rolling bearings including at least one angular contact bearing with two angular contact rolling bearings
    • F16C19/548—Systems with spaced apart rolling bearings including at least one angular contact bearing with two angular contact rolling bearings in O-arrangement
    • 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
    • F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
    • F16C19/163—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls with angular contact
    • 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
    • F16C2360/24—Turbochargers
    • 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
    • F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
    • F16C25/06—Ball or roller bearings
    • F16C25/08—Ball or roller bearings self-adjusting
    • F16C25/083—Ball or roller bearings self-adjusting with resilient means acting axially on a race ring to preload the bearing

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案に係わる過給機の軸受固定装置
の一実施例を示す断面図、第２図及び第３図は夫
々同上実施例におけるスラスト受け部材の構成を
示す図で、ａは正面図、ｂは側面断面図、第４図
はタービン軸の振動特性を表すグラフ、第５図は
従来装置の一例を示す断面図、第６図は同上従来
装置における止め輪の拡大正面図である。 １……軸受車室、２……軸受ハウジング、３…
…タービン軸、４……タービン側玉軸受、５……
コンプレツサ側玉軸受、６……タービン側オイル
フイルムダンパ、７……コンプレツサ側オイルフ
イルムダンパ、６Ａ，７Ａ……突起部、６ａ，７
ａ……油膜形成部、８……コイルスプリング、９
……スラスト受け部材、１０……ピン。 FIG. 1 is a sectional view showing an embodiment of a bearing fixing device for a supercharger according to the present invention, and FIGS. 2 and 3 are views showing the configuration of a thrust receiving member in the same embodiment, respectively, and a is a front view. Fig. 4 is a graph showing the vibration characteristics of the turbine shaft, Fig. 5 is a sectional view showing an example of a conventional device, and Fig. 6 is an enlarged front view of a retaining ring in the conventional device. . 1...Bearing chamber, 2...Bearing housing, 3...
...Turbine shaft, 4...Turbine side ball bearing, 5...
Compressor side ball bearing, 6...Turbine side oil film damper, 7...Compressor side oil film damper, 6A, 7A...Protrusion, 6a, 7
a...Oil film forming part, 8...Coil spring, 9
...Thrust receiving member, 10...pin.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 軸受車室の軸受ハウジング内に油膜を介して浮
動状態に配設された一対のオイルフイルムダンパ
と、該オイルフイルムダンパに夫々支持されたタ
ービン側玉軸受及びコンプレツサ側玉軸受と、両
軸受の外輪をタービン軸方向に沿つて互いに遠ざ
けようとする方向に予圧を付与するスプリングと
、両オイルフイルムダンパ間に配設されて該ダン
パ夫々が選択的に当接可能なスラスト受け部材と
、を備えてなる過給機において、両オイルフイル
ムダンパ夫々とスラスト受け部材相互の当接面に
油通路となる溝部を設けたことを特徴とする過給
機の軸受固定装置。 A pair of oil film dampers floatingly disposed within a bearing housing of a bearing casing via an oil film, a turbine side ball bearing and a compressor side ball bearing supported by the oil film dampers, respectively, and outer rings of both bearings. a spring that applies preload in a direction to move the oil film dampers away from each other along the turbine axial direction; and a thrust receiving member that is disposed between both oil film dampers and that allows each of the dampers to selectively abut. 1. A bearing fixing device for a supercharger, characterized in that a groove serving as an oil passage is provided in the abutting surfaces of both oil film dampers and the thrust receiving member.
JP1988055170U 1988-04-26 1988-04-26 Pending JPH01159132U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988055170U JPH01159132U (en) 1988-04-26 1988-04-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988055170U JPH01159132U (en) 1988-04-26 1988-04-26

Publications (1)

Publication Number Publication Date
JPH01159132U true JPH01159132U (en) 1989-11-02

Family

ID=31281069

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988055170U Pending JPH01159132U (en) 1988-04-26 1988-04-26

Country Status (1)

Country Link
JP (1) JPH01159132U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH061737U (en) * 1992-06-10 1994-01-14 日本精工株式会社 Bearing device for turbocharger
JP2010270673A (en) * 2009-05-21 2010-12-02 Ihi Corp Turbocharger
WO2017149678A1 (en) * 2016-03-01 2017-09-08 三菱重工業株式会社 Bearing device and exhaust turbine supercharger
US10408260B2 (en) 2015-07-09 2019-09-10 Ihi Corporation Bearing structure and turbocharger

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS566917A (en) * 1979-06-19 1981-01-24 Wallace Murray Corp Bearing device for rotational shaft and turbosupercharger
JPS6043137B2 (en) * 1975-11-20 1985-09-26 シヤ−ウツド メデイカル コンパニ− Thoracic fluid collection device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6043137B2 (en) * 1975-11-20 1985-09-26 シヤ−ウツド メデイカル コンパニ− Thoracic fluid collection device
JPS566917A (en) * 1979-06-19 1981-01-24 Wallace Murray Corp Bearing device for rotational shaft and turbosupercharger

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH061737U (en) * 1992-06-10 1994-01-14 日本精工株式会社 Bearing device for turbocharger
JP2010270673A (en) * 2009-05-21 2010-12-02 Ihi Corp Turbocharger
US10408260B2 (en) 2015-07-09 2019-09-10 Ihi Corporation Bearing structure and turbocharger
WO2017149678A1 (en) * 2016-03-01 2017-09-08 三菱重工業株式会社 Bearing device and exhaust turbine supercharger
JPWO2017149678A1 (en) * 2016-03-01 2018-12-13 三菱重工エンジン＆ターボチャージャ株式会社 Bearing device and exhaust turbine supercharger

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