JPH036029U - - Google Patents
Info
- Publication number
- JPH036029U JPH036029U JP6610289U JP6610289U JPH036029U JP H036029 U JPH036029 U JP H036029U JP 6610289 U JP6610289 U JP 6610289U JP 6610289 U JP6610289 U JP 6610289U JP H036029 U JPH036029 U JP H036029U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- housing
- turbine rotor
- bearing means
- turbocharger
- 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
- 230000007423 decrease Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 101150071927 AANAT gene Proteins 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
Landscapes
- Supercharger (AREA)
Description
第1図は、本考案実施例の自動車用ターボチヤ
ージヤ10の断面図を示す。第2図は、第1図の
要部拡大断面図を示す。第3図は、潤滑オイルの
流れを示す。
10……ターボチヤージヤ、11……シヤフト
、12a,12b……ラジアルベアリング、13
……ハウジング、14……タービンロータ、21
……シールリング、23……凹部、24……小径
部、25……テーパ部、26……大径部、28a
,28b……スナツプリング。
FIG. 1 shows a sectional view of an automobile turbocharger 10 according to an embodiment of the present invention. FIG. 2 shows an enlarged sectional view of the main part of FIG. 1. FIG. 3 shows the flow of lubricating oil. 10...Turbo charger, 11...Shaft, 12a, 12b...Radial bearing, 13
... Housing, 14 ... Turbine rotor, 21
...Seal ring, 23...Concave portion, 24...Small diameter portion, 25...Tapered portion, 26...Large diameter portion, 28a
, 28b...Snat Spring.
Claims (1)
ービンロータと、前記シヤフトをベアリング手段
を介して回転自在に支承するハウジングと、該ハ
ウジングの前記ベアリング手段当接部より前記タ
ービンロータ側に形成された凹部とを有し、前記
ベアリングは前記ハウジングに固設された係止部
材と前記シヤフトに形成された小径部端面とによ
り前記ハウジングに遊嵌されたターボチヤージヤ
において、前記シヤフトの小径部の外周径は前記
ベアリング手段の外周径よりも小さく、かつ前記
ベアリング手段の外周径より大きく形成されると
共に、該小径部から前記タービンロータ背面部方
向に向かつて減少する前記シヤフトのテーパ部を
形成し、該テーパ部の前記タービンロータ側に前
記シヤフトの大径部を形成したターボチヤージヤ
のタービン側オイル洩れ防止機構。 a shaft, a turbine rotor disposed at one end of the shaft, a housing that rotatably supports the shaft via a bearing means, and a housing formed closer to the turbine rotor than the bearing means contacting portion of the housing. In the turbocharger, the bearing has a concave portion, and the bearing is loosely fitted into the housing by a locking member fixed to the housing and an end face of a small diameter portion formed on the shaft, the outer circumferential diameter of the small diameter portion of the shaft is A tapered portion of the shaft is formed to be smaller than an outer circumferential diameter of the bearing means and larger than an outer circumferential diameter of the bearing means, and decreases from the small diameter portion toward the rear surface of the turbine rotor, and the shaft is tapered. A turbine side oil leak prevention mechanism for a turbocharger, wherein a large diameter portion of the shaft is formed on the turbine rotor side of the turbocharger.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989066102U JP2524139Y2 (en) | 1989-06-06 | 1989-06-06 | Oil leakage prevention mechanism on the turbine side of the turbocharger |
DE4012361A DE4012361A1 (en) | 1989-04-19 | 1990-04-18 | OIL SEALING DEVICE FOR A TURBOCHARGER |
US07/511,210 US5066192A (en) | 1989-04-19 | 1990-04-19 | Oil sealing system for a turbo charger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989066102U JP2524139Y2 (en) | 1989-06-06 | 1989-06-06 | Oil leakage prevention mechanism on the turbine side of the turbocharger |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH036029U true JPH036029U (en) | 1991-01-22 |
JP2524139Y2 JP2524139Y2 (en) | 1997-01-29 |
Family
ID=31598531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989066102U Expired - Fee Related JP2524139Y2 (en) | 1989-04-19 | 1989-06-06 | Oil leakage prevention mechanism on the turbine side of the turbocharger |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2524139Y2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014046909A1 (en) | 2012-09-18 | 2014-03-27 | Borgwarner Inc. | Turbocharger shaft seal |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4872511A (en) * | 1971-12-29 | 1973-09-29 | Komatsu Mfg Co Ltd | |
JPS50149711U (en) * | 1974-05-29 | 1975-12-12 | ||
JPS58206826A (en) * | 1982-05-28 | 1983-12-02 | Aisin Seiki Co Ltd | Turbocharger |
JPS6015933U (en) * | 1983-07-12 | 1985-02-02 | トヨタ自動車株式会社 | turbo charger |
JPS6073841U (en) * | 1983-10-27 | 1985-05-24 | トヨタ自動車株式会社 | Turbo gear oil leak prevention device |
JPS6439443U (en) * | 1987-09-01 | 1989-03-09 |
-
1989
- 1989-06-06 JP JP1989066102U patent/JP2524139Y2/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4872511A (en) * | 1971-12-29 | 1973-09-29 | Komatsu Mfg Co Ltd | |
JPS50149711U (en) * | 1974-05-29 | 1975-12-12 | ||
JPS58206826A (en) * | 1982-05-28 | 1983-12-02 | Aisin Seiki Co Ltd | Turbocharger |
JPS6015933U (en) * | 1983-07-12 | 1985-02-02 | トヨタ自動車株式会社 | turbo charger |
JPS6073841U (en) * | 1983-10-27 | 1985-05-24 | トヨタ自動車株式会社 | Turbo gear oil leak prevention device |
JPS6439443U (en) * | 1987-09-01 | 1989-03-09 |
Also Published As
Publication number | Publication date |
---|---|
JP2524139Y2 (en) | 1997-01-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |