JPH0459386U - - Google Patents
Info
- Publication number
- JPH0459386U JPH0459386U JP10164690U JP10164690U JPH0459386U JP H0459386 U JPH0459386 U JP H0459386U JP 10164690 U JP10164690 U JP 10164690U JP 10164690 U JP10164690 U JP 10164690U JP H0459386 U JPH0459386 U JP H0459386U
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- rotor
- screw
- screw compressor
- sealing ring
- 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
- 238000007789 sealing Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案スクリユ圧縮機の詳細図、第２
図は封止リングの固定構造の他の実施例、第３図
は従来構造に本考案封止リングの取り付け構造を
適用した他の実施例、第４図は従来のスクリユ圧
縮機の詳細図である。
２……ケーシング、３……おすロータ、４……
めすロータ、１５……封止リング、１８……軸穴
、２３……作用室、２４……吸入室。
Figure 1 is a detailed diagram of the screw compressor of the present invention, Figure 2
The figure shows another example of a sealing ring fixing structure, Figure 3 shows another example in which the sealing ring mounting structure of the present invention is applied to a conventional structure, and Figure 4 is a detailed view of a conventional screw compressor. be. 2...Casing, 3...Male rotor, 4...
Female rotor, 15... sealing ring, 18... shaft hole, 23... action chamber, 24... suction chamber.
Claims (1)
ユロータをベアリングにより噛み合い回転自在に
支承したスクリユ圧縮機において、前記ケーシン
グの端壁に設けた軸穴を少なくとも前記ロータ軸
を支承するベアリングの転動ローラ部の外周径よ
りも大きく形成すると共に、前記ロータの側端部
には前記軸穴よりも小径の封止リングを被着した
ことを特徴とするスクリユ圧縮機。 (2) 前記封止リングは、スクリユロータの低圧
側端面に密着して被着していることを特徴とする
請求項１記載のスクリユ圧縮機。 (3) スクリユロータ軸の一方を支承するベアリ
ングは、ベアリング内輪と転動ローラ部とが一体
的に組み立てられたテーパローラベアリングまた
は鍔付ローラベアリングであることを特徴とする
請求項１記載のスクリユ圧縮機。[Claims for Utility Model Registration] (1) In a screw compressor in which a pair of male and female screw rotors are meshed and rotatably supported in a casing by means of bearings, a shaft hole provided in an end wall of the casing has at least the rotor shaft. A screw compressor, characterized in that the diameter is larger than the outer circumferential diameter of a rolling roller portion of a bearing that supports the rotor, and a sealing ring having a smaller diameter than the shaft hole is attached to a side end of the rotor. (2) The screw compressor according to claim 1, wherein the sealing ring is closely attached to the low-pressure side end face of the screw rotor. (3) The screw compressor according to claim 1, wherein the bearing that supports one side of the screw rotor shaft is a tapered roller bearing or a flanged roller bearing in which the inner ring of the bearing and the rolling roller portion are integrally assembled. Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990101646U JP2577204Y2 (en) | 1990-09-29 | 1990-09-29 | Screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990101646U JP2577204Y2 (en) | 1990-09-29 | 1990-09-29 | Screw compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0459386U true JPH0459386U (en) | 1992-05-21 |
| JP2577204Y2 JP2577204Y2 (en) | 1998-07-23 |
Family
ID=31845291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990101646U Expired - Lifetime JP2577204Y2 (en) | 1990-09-29 | 1990-09-29 | Screw compressor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2577204Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015110930A (en) * | 2013-12-06 | 2015-06-18 | 北越工業株式会社 | Screw compressor bearing section structure |
| JP2015151893A (en) * | 2014-02-12 | 2015-08-24 | 北越工業株式会社 | Speed increase type screw compressor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS521446A (en) * | 1975-06-24 | 1977-01-07 | Hitachi Ltd | Detector for the fusing of semiconductor protective fuse |
| JPS5364317U (en) * | 1976-11-04 | 1978-05-30 | ||
| JPS559574A (en) * | 1978-07-07 | 1980-01-23 | Canon Inc | Optical information reader |
| JPS5776293A (en) * | 1980-10-03 | 1982-05-13 | Dunham Bush Inc | Closed loop compressed gas system |
| JPS6248078A (en) * | 1985-08-28 | 1987-03-02 | Fujitsu Ltd | Semiconductor light receiving element |
| JPH01152088U (en) * | 1988-04-14 | 1989-10-19 |
-
1990
- 1990-09-29 JP JP1990101646U patent/JP2577204Y2/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS521446A (en) * | 1975-06-24 | 1977-01-07 | Hitachi Ltd | Detector for the fusing of semiconductor protective fuse |
| JPS5364317U (en) * | 1976-11-04 | 1978-05-30 | ||
| JPS559574A (en) * | 1978-07-07 | 1980-01-23 | Canon Inc | Optical information reader |
| JPS5776293A (en) * | 1980-10-03 | 1982-05-13 | Dunham Bush Inc | Closed loop compressed gas system |
| JPS6248078A (en) * | 1985-08-28 | 1987-03-02 | Fujitsu Ltd | Semiconductor light receiving element |
| JPH01152088U (en) * | 1988-04-14 | 1989-10-19 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015110930A (en) * | 2013-12-06 | 2015-06-18 | 北越工業株式会社 | Screw compressor bearing section structure |
| JP2015151893A (en) * | 2014-02-12 | 2015-08-24 | 北越工業株式会社 | Speed increase type screw compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2577204Y2 (en) | 1998-07-23 |