JPS62193139U - - Google Patents
Info
- Publication number
- JPS62193139U JPS62193139U JP8111386U JP8111386U JPS62193139U JP S62193139 U JPS62193139 U JP S62193139U JP 8111386 U JP8111386 U JP 8111386U JP 8111386 U JP8111386 U JP 8111386U JP S62193139 U JPS62193139 U JP S62193139U
- Authority
- JP
- Japan
- Prior art keywords
- back plate
- plate portion
- tapered surface
- common shaft
- air bearing
- 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
Landscapes
- Supercharger (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Description
第１図は本考案ターボ過給機の構成の一例を示
す断面図、第２図はその背板部に形成したスパイ
ラル溝の一例を示す説明図、第３図は本考案の他
の実施例によるセンタハウジングの斜視図、第４
図は従来の空気軸受装置を具えたターボ過給機の
構成の一例を示す断面図である。
１，２１……排気タービン、２，２２……圧縮
機、２１Ａ，２２Ａ……背板部、３，２３……共
通軸、４……スラスト空気軸受部材、５……セン
タハウジング、５Ａ，５Ｂ……対向壁、６……ラ
ジアル空気軸受部材、１２……スラスト受板、２
４，２５……スパイラル溝、２６……すき間、２
７……連通路、２８……フイン。
Fig. 1 is a sectional view showing an example of the configuration of the turbocharger of the present invention, Fig. 2 is an explanatory view showing an example of a spiral groove formed in the back plate thereof, and Fig. 3 is another embodiment of the invention. Perspective view of the center housing according to No. 4
The figure is a sectional view showing an example of the configuration of a turbocharger equipped with a conventional air bearing device. 1, 21... Exhaust turbine, 2, 22... Compressor, 21A, 22A... Back plate portion, 3, 23... Common shaft, 4... Thrust air bearing member, 5... Center housing, 5A, 5B ... Opposing wall, 6 ... Radial air bearing member, 12 ... Thrust receiving plate, 2
4, 25...Spiral groove, 26...Gap, 2
7...Communication path, 28...Fin.
Claims (1)
センタハウジングに空気軸受を介して支承される
ようにしたターボ過給機において、 前記排気タービンおよび圧縮機の背板部を中心
部に向けて漸高となるテーパ面で形成し、該テー
パ面に前記共通軸の回転時に気体が前記個々の背
板部の外周部から求心的に吸引可能なスパイラル
溝を設けると共に、前記センタハウジングには前
記背板部に対応したテーパ面を有する対向壁を設
け、前記スパイラル溝から吸引された気体が前記
背板部と前記対向壁との間のすき間を介し、前記
共通軸のまわりのすき間に供給されることにより
前記双方のすき間を介して空気軸受の機能が得ら
れるようにしたことを特徴とするターボ過給機。[Claims for Utility Model Registration] In a turbocharger in which a common shaft of a centrifugal exhaust turbine and a compressor is supported by a center housing via an air bearing, a back plate portion of the exhaust turbine and the compressor; is formed with a tapered surface whose height gradually increases toward the center, and a spiral groove is provided on the tapered surface so that gas can be centripetally sucked from the outer periphery of the individual back plate portions when the common shaft rotates; The center housing is provided with an opposing wall having a tapered surface corresponding to the back plate portion, and the gas sucked from the spiral groove passes through the gap between the back plate portion and the opposing wall, and is connected to the common shaft. A turbo supercharger characterized in that an air bearing function is obtained through both of the gaps by being supplied to the surrounding gaps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8111386U JPS62193139U (en) | 1986-05-30 | 1986-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8111386U JPS62193139U (en) | 1986-05-30 | 1986-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62193139U true JPS62193139U (en) | 1987-12-08 |
Family
ID=30932554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8111386U Pending JPS62193139U (en) | 1986-05-30 | 1986-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62193139U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013032797A (en) * | 2011-08-01 | 2013-02-14 | Ntn Corp | Foil bearing |
-
1986
- 1986-05-30 JP JP8111386U patent/JPS62193139U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013032797A (en) * | 2011-08-01 | 2013-02-14 | Ntn Corp | Foil bearing |
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