JPS6457421U - - Google Patents
Info
- Publication number
- JPS6457421U JPS6457421U JP15165787U JP15165787U JPS6457421U JP S6457421 U JPS6457421 U JP S6457421U JP 15165787 U JP15165787 U JP 15165787U JP 15165787 U JP15165787 U JP 15165787U JP S6457421 U JPS6457421 U JP S6457421U
- Authority
- JP
- Japan
- Prior art keywords
- rotating body
- annular
- gas inlet
- narrow gap
- annular chamber
- 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
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 1
Description
第１図は本考案の第一実施例装置を示す縦断面
図、第２図は本考案の第二実施例装置を示す縦断
面図である。
１……非回転体（ハウジング）、２……ころが
り軸受、３……回転体（主軸）、８；２８……狭
間隙、９；２９……環状部材、１０……気体受入
口、１１；３１……環状室、１２……多孔質リン
グ。
FIG. 1 is a longitudinal sectional view showing a first embodiment of the device of the present invention, and FIG. 2 is a longitudinal sectional view of a second embodiment of the device of the present invention. 1... Non-rotating body (housing), 2... Rolling bearing, 3... Rotating body (main shaft), 8; 28... Narrow gap, 9; 29... Annular member, 10... Gas inlet, 11; 31... annular chamber, 12... porous ring.
Claims (1)
支承される回転体との間の環状空間を外部空間に
対してシールするものにおいて、 上記環状空間を全周にわたり均一な所定の狭間
隙に制限する環状部材を非回転体側に設け、 上記環状部材は、外部からシール用気体を受け
る気体受入口と、該気体受入口及び上記狭間隙に
全周で連通するように内部に形成された環状室と
を有し、 上記環状室の内部には、気体受入口側と狭間隙
側とを区分する透気性の多孔質リングが配されて
いる、 ことを特徴とする軸受用気体シール装置。[Claims for Utility Model Registration] In a device that seals an annular space between a non-rotating body and a rotating body supported by the non-rotating body via a rolling bearing from an external space, An annular member is provided on the non-rotating body side to limit the gap to a uniform predetermined narrow gap over the entire circumference, and the annular member communicates with a gas inlet for receiving sealing gas from the outside, and the gas inlet and the narrow gap all around the circumference. and an annular chamber formed inside the annular chamber, and an air-permeable porous ring is disposed inside the annular chamber to separate the gas inlet side and the narrow gap side. Gas seal device for bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15165787U JPS6457421U (en) | 1987-10-05 | 1987-10-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15165787U JPS6457421U (en) | 1987-10-05 | 1987-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6457421U true JPS6457421U (en) | 1989-04-10 |
Family
ID=31425893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15165787U Pending JPS6457421U (en) | 1987-10-05 | 1987-10-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6457421U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5633343A (en) * | 1979-08-17 | 1981-04-03 | Matsushita Electric Ind Co Ltd | Noncontact sealing apparatus |
-
1987
- 1987-10-05 JP JP15165787U patent/JPS6457421U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5633343A (en) * | 1979-08-17 | 1981-04-03 | Matsushita Electric Ind Co Ltd | Noncontact sealing apparatus |
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