JPS62148701U - - Google Patents
Info
- Publication number
- JPS62148701U JPS62148701U JP3622086U JP3622086U JPS62148701U JP S62148701 U JPS62148701 U JP S62148701U JP 3622086 U JP3622086 U JP 3622086U JP 3622086 U JP3622086 U JP 3622086U JP S62148701 U JPS62148701 U JP S62148701U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- ceramic
- metal sleeve
- structure according
- large diameter
- 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
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims 9
- 239000000314 lubricant Substances 0.000 claims 3
- 229910052582 BN Chemical group 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 238000005219 brazing Methods 0.000 claims 1
- 229910002804 graphite Inorganic materials 0.000 claims 1
- 239000010439 graphite Substances 0.000 claims 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical group S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Supercharger (AREA)
- Ceramic Products (AREA)
Description
第１図は本考案の結合軸構造の一実施例を示す
線図、第２図は従来のタービンロータの一実施例
を示す線図である。
１……タービンロータ、２……軸部、３……太
径部、４……細径部、５……金属製回転軸、６…
…孔、７……金属スリーブ、８……シールリング
溝、９……オイルスリンガー、１０……空隙、１
１……滑材。
FIG. 1 is a diagram showing one embodiment of the joint shaft structure of the present invention, and FIG. 2 is a diagram showing one embodiment of a conventional turbine rotor. DESCRIPTION OF SYMBOLS 1... Turbine rotor, 2... Shaft part, 3... Large diameter part, 4... Small diameter part, 5... Metal rotating shaft, 6...
... Hole, 7 ... Metal sleeve, 8 ... Seal ring groove, 9 ... Oil slinger, 10 ... Gap, 1
1...Sliding material.
Claims (1)
ツク軸部を設け、この軸部とコンプレツサインペ
ラーの金属製回転軸部とを該金属製軸部と一体に
形成された金属スリーブにより結合した構造にお
いて、 前記金属スリーブに囲繞されたセラミツク軸部
をタービンロータ近傍の太径部と他端の細径部よ
り構成して、前記セラミツク軸部と金属スリーブ
とを結合するにあたり、前記太径部と細径部の２
段で締めると共に、太径部の外周面に滑材を挿入
することを特徴とする結合軸構造。 ２ 前記滑材が、黒鉛、二硫化モリブデンまたは
窒化ホウ素よりなる実用新案登録請求の範囲第１
項記載の結合軸構造。 ３ 前記セラミツク軸部と金属スリーブとの結合
が、焼きばめ、圧入、あるいはこれらの組み合わ
せからなる実用新案登録請求の範囲第２項記載の
結合軸構造。 ４ 前記滑材が、軸方向に溝を有する金属スリー
ブである実用新案登録請求の範囲第１項記載の結
合軸構造。 ５ 前記セラミツク軸部と金属スリーブおよびセ
ラミツク軸部と滑材との結合が、焼きばめ、圧入
、接着剤による接合、ろう材による接合あるいは
これらの組合せのいずれかよりなる実用新案登録
請求の範囲第４項記載の結合軸構造。 ６ 前記太径部の直径が細径部の直径の少なくと
も１．２倍以上２倍未満である実用新案登録請求
の範囲第１項記載の結合軸構造。 ７ 前記セラミツク軸部の太径部と細径部の境界
部分において、セラミツク軸部と周囲の金属スリ
ーブとの間に空隙を設けてなる実用新案登録請求
の範囲第１項記載の結合軸構造。[Claims for Utility Model Registration] 1. A ceramic shaft integrally provided with a ceramic turbine rotor, and a metal sleeve formed integrally with the metal shaft to connect this shaft and a metal rotating shaft of a compressed impeller. In the structure in which the ceramic shaft surrounded by the metal sleeve is composed of a large diameter part near the turbine rotor and a small diameter part at the other end, in joining the ceramic shaft and the metal sleeve, Large diameter part and small diameter part 2
A joint shaft structure characterized by tightening in stages and inserting a lubricant on the outer peripheral surface of the large diameter part. 2 Utility model registration claim 1, in which the lubricant is made of graphite, molybdenum disulfide, or boron nitride
Bond shaft structure described in section. 3. The joint shaft structure according to claim 2, wherein the ceramic shaft portion and the metal sleeve are joined by shrink fitting, press fitting, or a combination thereof. 4. The joint shaft structure according to claim 1, wherein the sliding member is a metal sleeve having a groove in the axial direction. 5. Claims for Utility Model Registration in which the ceramic shaft and the metal sleeve and the ceramic shaft and the lubricant are joined by shrink fitting, press fitting, bonding with an adhesive, bonding with a brazing material, or a combination thereof. The bond shaft structure according to item 4. 6. The joint shaft structure according to claim 1, wherein the diameter of the large diameter portion is at least 1.2 times and less than 2 times the diameter of the small diameter portion. 7. The joint shaft structure according to claim 1, wherein a gap is provided between the ceramic shaft portion and the surrounding metal sleeve at the boundary between the large diameter portion and the narrow diameter portion of the ceramic shaft portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3622086U JPH0350241Y2 (en) | 1986-03-14 | 1986-03-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3622086U JPH0350241Y2 (en) | 1986-03-14 | 1986-03-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62148701U true JPS62148701U (en) | 1987-09-19 |
| JPH0350241Y2 JPH0350241Y2 (en) | 1991-10-28 |
Family
ID=30846423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3622086U Expired JPH0350241Y2 (en) | 1986-03-14 | 1986-03-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0350241Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0492872A (en) * | 1990-08-03 | 1992-03-25 | Ngk Spark Plug Co Ltd | Binding body of ceramic and metal |
| JPH08319802A (en) * | 1995-05-24 | 1996-12-03 | Kawasaki Heavy Ind Ltd | Joining method for metal and ceramic, their joining structure, and gas turbine provided therewith |
-
1986
- 1986-03-14 JP JP3622086U patent/JPH0350241Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0492872A (en) * | 1990-08-03 | 1992-03-25 | Ngk Spark Plug Co Ltd | Binding body of ceramic and metal |
| JPH08319802A (en) * | 1995-05-24 | 1996-12-03 | Kawasaki Heavy Ind Ltd | Joining method for metal and ceramic, their joining structure, and gas turbine provided therewith |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0350241Y2 (en) | 1991-10-28 |
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