JPH03112524U - - Google Patents
Info
- Publication number
- JPH03112524U JPH03112524U JP2077490U JP2077490U JPH03112524U JP H03112524 U JPH03112524 U JP H03112524U JP 2077490 U JP2077490 U JP 2077490U JP 2077490 U JP2077490 U JP 2077490U JP H03112524 U JPH03112524 U JP H03112524U
- Authority
- JP
- Japan
- Prior art keywords
- supercharger
- bearing
- bearing structure
- turbine
- ball bearings
- 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
- 238000009434 installation Methods 0.000 claims 1
- 241000252084 Anguilla Species 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
Landscapes
- Supercharger (AREA)
Description
第１図はこの考案の過給機の軸受構造の一実施
例にかかる断面図、第２図はこの考案の過給機の
軸受構造の他の一実施例にかかる断面図、第３図
は従来の過給機の軸受構造の断面図である。
１……過給機、２……タービン車室、３……軸
受車室、４……コンプレツサ車室、５……タービ
ン軸、６……タービンインペラ、７……コンプレ
ツサインペラ、１１……スリーブ（オイルフイル
ムダンパ）、１２……スプリング、１３……回り
止めピン、１４……油孔、１５，１６……スリー
ブの段差部、１７……タービン側スプリング受け
、１８，１９……タービン軸の段差部、２０……
過給機の軸受構造、２１，２２……アンギユラ玉
軸受、２１ａ，２２ａ……内輪、２１ｂ，２２ｂ
……外輪、２３……突出部、２４……軸受部、２
５……油きり、２６……軸端ナツト、２７……コ
ンプレツサ側スプリング受け、２８……給油口、
２９……排油口、３０……油孔、３１……中央排
油孔、４０……過給機の軸受構造、４１，４２…
…アンギユラ玉軸受、４１ａ，４２ａ……内輪、
４１ｂ，２ｂ……外輪、４３……突出部、Ｌ１，
Ｌ２……外輪の軸方向幅。
Fig. 1 is a sectional view of one embodiment of the bearing structure of a supercharger of this invention, Fig. 2 is a sectional view of another embodiment of the bearing structure of a supercharger of this invention, and Fig. 3 is a sectional view of another embodiment of the bearing structure of a supercharger of this invention. FIG. 2 is a cross-sectional view of a conventional supercharger bearing structure. DESCRIPTION OF SYMBOLS 1...Supercharger, 2...Turbine casing, 3...Bearing casing, 4...Compressor casing, 5...Turbine shaft, 6...Turbine impeller, 7...Compressor impeller, 11... Sleeve (oil film damper), 12... Spring, 13... Stopping pin, 14... Oil hole, 15, 16... Step portion of sleeve, 17... Turbine side spring receiver, 18, 19... Turbine shaft Step part, 20...
Bearing structure of supercharger, 21, 22... Angular ball bearing, 21a, 22a... Inner ring, 21b, 22b
...Outer ring, 23...Protrusion part, 24...Bearing part, 2
5... Oil drainer, 26... Shaft end nut, 27... Compressor side spring receiver, 28... Oil filler port,
29... Oil drain port, 30... Oil hole, 31... Central oil drain hole, 40... Bearing structure of supercharger, 41, 42...
...Anguilla ball bearing, 41a, 42a...inner ring,
41b, 2b...Outer ring, 43...Protrusion, L1,
L2... Axial width of the outer ring.
Claims (1)
軸受を一定間隔で配設する過給機の軸受構造にお
いて、前記２つのアンギユラ玉軸受を内輪の対向
端部の少なくとも一部に突出部を形成してなり、
それぞれのアンギユラ玉軸受の組込み方向を特定
できるようにしたことを特徴とする過給機の軸受
構造。 (2) 前記２つのアンギユラ玉軸受の仕様をター
ビン側とコンプレツサ側で変えるとともに、ター
ビン側の玉軸受の外輪の軸方向幅をコンプレツサ
側の玉軸受のそれより小さくしたことを特徴とす
る請求項１記載の過給機の軸受構造。 (3) タービン軸の中間部に２つのアンギユラ玉
軸受を一定間隔で配設する過給機の軸受構造にお
いて、前記２つのアンギユラ玉軸受の仕様をター
ビン側とコンプレツサ側とで変えるとともに、タ
ービン側の玉軸受の外輪の軸方向幅をコンプレツ
サ側の玉軸受のそれより小さくしたことを特徴と
する過給機の軸受構造。[Claims for Utility Model Registration] (1) In a supercharger bearing structure in which two angular contact ball bearings are arranged at regular intervals in the middle of a turbine shaft, the two angular contact ball bearings are arranged at opposite ends of an inner ring. A protrusion is formed at least in part,
A bearing structure for a supercharger, characterized in that the installation direction of each angular ball bearing can be specified. (2) A claim characterized in that the specifications of the two angular ball bearings are different between the turbine side and the compressor side, and the axial width of the outer ring of the turbine side ball bearing is smaller than that of the compressor side ball bearing. Bearing structure of the supercharger described in 1. (3) In a supercharger bearing structure in which two angular contact ball bearings are arranged at a constant interval in the middle of the turbine shaft, the specifications of the two angular contact ball bearings are changed between the turbine side and the compressor side, and the turbine side A bearing structure for a supercharger, characterized in that the axial width of the outer ring of the ball bearing is smaller than that of the ball bearing on the compressor side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990020774U JP2501577Y2 (en) | 1990-03-01 | 1990-03-01 | Supercharger bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990020774U JP2501577Y2 (en) | 1990-03-01 | 1990-03-01 | Supercharger bearing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03112524U true JPH03112524U (en) | 1991-11-18 |
| JP2501577Y2 JP2501577Y2 (en) | 1996-06-19 |
Family
ID=31523860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990020774U Expired - Lifetime JP2501577Y2 (en) | 1990-03-01 | 1990-03-01 | Supercharger bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2501577Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010190402A (en) * | 2009-02-20 | 2010-09-02 | Sii Micro Precision Kk | Rolling bearing device and manufacturing method of rolling bearing device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6336630U (en) * | 1986-08-26 | 1988-03-09 |
-
1990
- 1990-03-01 JP JP1990020774U patent/JP2501577Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6336630U (en) * | 1986-08-26 | 1988-03-09 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010190402A (en) * | 2009-02-20 | 2010-09-02 | Sii Micro Precision Kk | Rolling bearing device and manufacturing method of rolling bearing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2501577Y2 (en) | 1996-06-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |