JPS63164525U - - Google Patents
Info
- Publication number
- JPS63164525U JPS63164525U JP5740887U JP5740887U JPS63164525U JP S63164525 U JPS63164525 U JP S63164525U JP 5740887 U JP5740887 U JP 5740887U JP 5740887 U JP5740887 U JP 5740887U JP S63164525 U JPS63164525 U JP S63164525U
- Authority
- JP
- Japan
- Prior art keywords
- air bearing
- hydrodynamic
- pressure air
- turbocharger
- thrust runner
- 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.)
- Granted
Links
- 239000012528 membrane Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Supercharger (AREA)
Description
第１図は本考案の一実施例に係る動圧式空気軸
受ターボチヤージヤの部分縦断面図、第２図は第
１図の装置における動圧式空気軸受部の拡大正面
図、第３図はエンジン回転数と、スラスト荷重、
タービン入口圧、コンプレツサ出口圧との関係図
、第４図は従来の動圧式空気軸受ターボチヤージ
ヤの半断面図、第５図は先に本出願人が提案した
動圧式空気軸受ターボチヤージヤの部分縦断面図
、である。
２１……コンプレツサ、２２……ターボチヤー
ジヤ、２３……コンプレツサハウジング、２４…
…タービンシヤフト、２６……インペラ、２７…
…ジヤーナル軸受、２８……スラストランナー、
２９，３０……動圧式空気軸受、３１……センタ
ハウジング、３２……押え板、３３……スペーサ
、３４……テーパランド部、３５……高圧空気導
入通路、３６，３７……通路、３８……環状溝、
３９……連通路、４０……小孔、４１……制御弁
、４２……大気導入口、４３……ＥＣＵ、４４…
…エンジン回転数センサ、４５……負荷センサ、
４６，４７……ラビリンスシール。
Fig. 1 is a partial vertical sectional view of a hydrodynamic air bearing turbocharger according to an embodiment of the present invention, Fig. 2 is an enlarged front view of the hydrodynamic air bearing part of the device shown in Fig. 1, and Fig. 3 is an engine rotation speed. and thrust load,
A diagram of the relationship between turbine inlet pressure and compressor outlet pressure, FIG. 4 is a half-sectional view of a conventional hydrodynamic air bearing turbocharger, and FIG. 5 is a partial longitudinal sectional view of a hydrodynamic air bearing turbocharger previously proposed by the applicant. , is. 21... Compressor, 22... Turbocharger, 23... Compressor housing, 24...
...turbine shaft, 26... impeller, 27...
...Journal bearing, 28...Thrust runner,
29, 30... Dynamic pressure air bearing, 31... Center housing, 32... Holding plate, 33... Spacer, 34... Taper land portion, 35... High pressure air introduction passage, 36, 37... Passage, 38 ... annular groove,
39...Communication path, 40...Small hole, 41...Control valve, 42...Atmospheric inlet, 43...ECU, 44...
...Engine speed sensor, 45...Load sensor,
46, 47...Labyrinth seal.
Claims (1)
体に回転するスラストランナーを設け、該スラス
トランナーに対向させて、テーパランド部が円周
方向に複数設けられ、該テーパランド部上に生成
されるくさび形の空気膜によりスラストランナー
を介してタービンシヤフトに加わるスラスト荷重
を受けることが可能な動圧式空気軸受を配設した
動圧式空気軸受ターボチヤージヤにおいて、該タ
ーボチヤージヤのコンプレツサと前記動圧式空気
軸受との間に、コンプレツサ出口側の高圧空気を
動圧式空気軸受と前記スラストランナーとの間に
導く高圧空気導入通路を設け、該高圧空気導入通
路に、該通路をエンジン回転数が高回転数時のみ
開く制御弁を設けたことを特徴とする動圧式空気
軸受ターボチヤージヤ。 The turbine shaft is provided with a thrust runner that rotates integrally with the turbine shaft, and a plurality of tapered land portions are provided in the circumferential direction opposite the thrust runner, and a wedge-shaped air is generated on the tapered land portion. In a hydrodynamic air bearing turbocharger equipped with a hydrodynamic air bearing capable of receiving a thrust load applied to a turbine shaft via a thrust runner by a membrane, a compressor is provided between a compressor of the turbocharger and the hydrodynamic air bearing. A high-pressure air introduction passage is provided for guiding high-pressure air on the outlet side between the dynamic pressure air bearing and the thrust runner, and a control valve is provided in the high-pressure air introduction passage to open the passage only when the engine speed is high. A hydrodynamic air bearing turbocharger characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5740887U JPH0521637Y2 (en) | 1987-04-17 | 1987-04-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5740887U JPH0521637Y2 (en) | 1987-04-17 | 1987-04-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63164525U true JPS63164525U (en) | 1988-10-26 |
| JPH0521637Y2 JPH0521637Y2 (en) | 1993-06-03 |
Family
ID=30887082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5740887U Expired - Lifetime JPH0521637Y2 (en) | 1987-04-17 | 1987-04-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0521637Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012114863A1 (en) * | 2011-02-25 | 2012-08-30 | 三菱重工業株式会社 | Multistage supercharger structure |
-
1987
- 1987-04-17 JP JP5740887U patent/JPH0521637Y2/ja not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012114863A1 (en) * | 2011-02-25 | 2012-08-30 | 三菱重工業株式会社 | Multistage supercharger structure |
| JP2012177329A (en) * | 2011-02-25 | 2012-09-13 | Mitsubishi Heavy Ind Ltd | Multistage supercharger structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0521637Y2 (en) | 1993-06-03 |