JPH0231302U - - Google Patents
Info
- Publication number
- JPH0231302U JPH0231302U JP1988108492U JP10849288U JPH0231302U JP H0231302 U JPH0231302 U JP H0231302U JP 1988108492 U JP1988108492 U JP 1988108492U JP 10849288 U JP10849288 U JP 10849288U JP H0231302 U JPH0231302 U JP H0231302U
- Authority
- JP
- Japan
- Prior art keywords
- air
- bleed
- compressor
- shaft
- collector
- 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
Links
- 238000010586 diagram Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 1
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
- 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
-
- 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
Landscapes
- Supercharger (AREA)
Description
第1図は本考案の一実施例を示す断面図、第2
図は第1図のA―A線に沿う断面図、第3図はタ
ービン軸のオイルフイルムダンパ内における偏心
率の説明図、第4図は従来例の断面図、第5図は
軸受剛性と軸の危険速度との関係を示す図である
。
2…タービン軸、3…タービン側玉軸受、4…
コンプレツサ側玉軸受、5…タービン側オイルフ
イルムダンパ、6…コンプレツサ側オイルフイル
ムダンパ、8…軸受スペーサ、16…圧縮機イン
ペラ、17…バツクプレート、20…コレクター
、21…抽気孔、26…圧力室、27…突起部。
Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is a cross-sectional view taken along line A-A in Figure 1, Figure 3 is an explanatory diagram of the eccentricity in the oil film damper of the turbine shaft, Figure 4 is a cross-sectional view of the conventional example, and Figure 5 is a diagram showing bearing rigidity. FIG. 3 is a diagram showing the relationship with the critical speed of the shaft. 2...Turbine shaft, 3...Turbine side ball bearing, 4...
Compressor side ball bearing, 5... Turbine side oil film damper, 6... Compressor side oil film damper, 8... Bearing spacer, 16... Compressor impeller, 17... Back plate, 20... Collector, 21... Bleed hole, 26... Pressure chamber , 27...Protrusion.
Claims (1)
ンプレツサ吐出空気の一部を抽気するコレクター
内に開口するバツクプレートに穿設した抽気孔と
、この抽気した空気を導く通路と、導びかれた空
気を留める軸を囲繞する如く設けられた半円筒形
の圧力室とを備えたことを特徴とするターボ機械
の軸受装置。 In turbomachinery such as a turbocharger, a bleed hole is formed in a back plate that opens into a collector that bleeds a portion of the air discharged from a compressor, a passageway that guides this bleed air, and a shaft that holds the guided air. 1. A bearing device for a turbomachine, comprising a semi-cylindrical pressure chamber provided as shown in FIG.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988108492U JPH0231302U (en) | 1988-08-18 | 1988-08-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988108492U JPH0231302U (en) | 1988-08-18 | 1988-08-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0231302U true JPH0231302U (en) | 1990-02-27 |
Family
ID=31343874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988108492U Pending JPH0231302U (en) | 1988-08-18 | 1988-08-18 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0231302U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015215084A (en) * | 2014-05-13 | 2015-12-03 | 日本精工株式会社 | Turbocharger bearing unit |
WO2016063565A1 (en) * | 2014-10-24 | 2016-04-28 | 三菱重工業株式会社 | Turbocharger |
-
1988
- 1988-08-18 JP JP1988108492U patent/JPH0231302U/ja active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015215084A (en) * | 2014-05-13 | 2015-12-03 | 日本精工株式会社 | Turbocharger bearing unit |
WO2016063565A1 (en) * | 2014-10-24 | 2016-04-28 | 三菱重工業株式会社 | Turbocharger |
JP2016084738A (en) * | 2014-10-24 | 2016-05-19 | 三菱重工業株式会社 | Turbocharger |
EP3192993A4 (en) * | 2014-10-24 | 2017-10-11 | Mitsubishi Heavy Industries, Ltd. | Turbocharger |
US10151344B2 (en) | 2014-10-24 | 2018-12-11 | Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | Turbocharger |
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