JPH0285801U - - Google Patents
Info
- Publication number
- JPH0285801U JPH0285801U JP16573788U JP16573788U JPH0285801U JP H0285801 U JPH0285801 U JP H0285801U JP 16573788 U JP16573788 U JP 16573788U JP 16573788 U JP16573788 U JP 16573788U JP H0285801 U JPH0285801 U JP H0285801U
- Authority
- JP
- Japan
- Prior art keywords
- shaft portion
- turbine wheel
- shaft
- ceramic
- shaft part
- 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
- 239000002184 metal Substances 0.000 claims description 6
- 238000005219 brazing Methods 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 238000007747 plating Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims 1
Landscapes
- Supercharger (AREA)
- Ceramic Products (AREA)
Description
第１図ないし第４図はそれぞれ本考案の第１実
施例ないし第４実施例を示す縦断面図である。
１……セラミツクタービンホイール、２……軸
部、３……金属製回転軸、４……中実軸部（一般
軸用鋼材製）、５……中空軸部（（低膨張合金製
）、６……溶接部、７……大径テーパ面、８……
開口端大径部、１０，１１……軸受、１２，１３
……硬質金属メツキ層、１４……螺子部、１５…
…焼ばめ部、１６……ろう材、１７……ろう付部
。
1 to 4 are longitudinal sectional views showing first to fourth embodiments of the present invention, respectively. 1... Ceramic turbine wheel, 2... Shaft, 3... Metal rotating shaft, 4... Solid shaft (made of steel for general shafts), 5... Hollow shaft (made of low expansion alloy), 6...Welded part, 7...Large diameter tapered surface, 8...
Open end large diameter part, 10, 11...Bearing, 12, 13
...Hard metal plating layer, 14...Threaded portion, 15...
... Shrink fit part, 16... Brazing metal, 17... Brazing part.
Claims (1)
に一体に軸受の領域まで延長して形成された軸部
と、前記タービンホイール背面から前記軸部に移
行する頚部に形成された大径のテーパ面と、金属
製の回転軸と、軸受に対応する前記回転軸の表面
に施こされた硬質の金属メツキ層とを有し、前記
金属製の回転軸は、前記軸部が挿入されて焼ばめ
又はろう付けされていると共に開口端に設けられ
たテーパ内面を前記テーパ面に嵌合されている低
膨張合金製の中空軸部と、前記中空軸部に溶接に
よつて接合されている一破軸用鋼材製の中実軸部
とからなることを特徴とするセラミツクタービン
ロータ。 A turbine wheel made of ceramic, a shaft portion integrally formed on the back surface thereof extending to the bearing area, a large diameter tapered surface formed on a neck portion transitioning from the back surface of the turbine wheel to the shaft portion, and a metal turbine wheel. and a hard metal plating layer applied to the surface of the rotating shaft that corresponds to the bearing, and the metal rotating shaft is formed by shrink fitting or brazing when the shaft portion is inserted. A hollow shaft part made of a low expansion alloy whose tapered inner surface provided at the open end is fitted to the tapered surface, and a single-break shaft part which is joined to the hollow shaft part by welding. A ceramic turbine rotor characterized by comprising a solid shaft portion made of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16573788U JPH0285801U (en) | 1988-12-23 | 1988-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16573788U JPH0285801U (en) | 1988-12-23 | 1988-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0285801U true JPH0285801U (en) | 1990-07-06 |
Family
ID=31452495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16573788U Pending JPH0285801U (en) | 1988-12-23 | 1988-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0285801U (en) |
-
1988
- 1988-12-23 JP JP16573788U patent/JPH0285801U/ja active Pending