JPS62856U - - Google Patents
Info
- Publication number
- JPS62856U JPS62856U JP9159785U JP9159785U JPS62856U JP S62856 U JPS62856 U JP S62856U JP 9159785 U JP9159785 U JP 9159785U JP 9159785 U JP9159785 U JP 9159785U JP S62856 U JPS62856 U JP S62856U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- cryopump
- piston ring
- cylinder
- peripheral surface
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 1
Landscapes
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図は本考案に係る第１の実施例の装着状態
を示す一部切欠した半裁断面図、第２図および第
３図はそれぞれ他の実施例の装着状態を示す一部
切欠した半裁断面図、第４図は従来例に係るクラ
イオポンプ用ピストンリングの装着状態を示す一
部切欠した半裁断面図である。
１……ピストン、１′，４′……外周面、２…
…嵌合溝、３……スプリングリング、４……ピス
トンリング、５……シリンダ、５′……内周面、
６，６′……環状凹部、７……デインプル。
FIG. 1 is a partially cutaway, half-cut cross-sectional view showing how the first embodiment of the present invention is installed, and FIGS. 2 and 3 are partially cutaway, half-cut cross-sectional views showing how other embodiments are installed. FIG. 4 is a partially cutaway sectional view showing a state in which a piston ring for a cryopump according to a conventional example is attached. 1... Piston, 1', 4'... Outer circumferential surface, 2...
... Fitting groove, 3 ... Spring ring, 4 ... Piston ring, 5 ... Cylinder, 5' ... Inner peripheral surface,
6, 6'... annular recess, 7... dimple.
Claims (1)
トンとシリンダの間からの流体の漏洩を防止する
作用を有するピストンリングにおいて、外周面に
対し、所要数の凹陥部が形設されてなることを特
徴とするクライオポンプ用ピストンリング。 A piston ring that is fitted onto a cryopump piston and has the function of preventing fluid leakage from between the piston and the cylinder, characterized in that a required number of recesses are formed on the outer peripheral surface. Piston ring for cryopump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9159785U JPS62856U (en) | 1985-06-19 | 1985-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9159785U JPS62856U (en) | 1985-06-19 | 1985-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62856U true JPS62856U (en) | 1987-01-07 |
Family
ID=30647629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9159785U Pending JPS62856U (en) | 1985-06-19 | 1985-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62856U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008126866A1 (en) * | 2007-04-09 | 2008-10-23 | Nok Corporation | Sealing device |
| JP2010038295A (en) * | 2008-08-06 | 2010-02-18 | Mitsubishi Heavy Ind Ltd | Piston ring for reciprocating engine |
| JP2011169421A (en) * | 2010-02-19 | 2011-09-01 | Isuzu Motors Ltd | Piston ring |
| WO2012067084A1 (en) * | 2010-11-18 | 2012-05-24 | いすゞ自動車株式会社 | Piston ring |
| WO2012147599A1 (en) * | 2011-04-27 | 2012-11-01 | Smc株式会社 | Wear ring used in linear actuating device |
| JP2012233593A (en) * | 2012-08-17 | 2012-11-29 | Mitsubishi Heavy Ind Ltd | Reciprocating engine |
| DE112007003017B4 (en) * | 2006-12-14 | 2015-09-17 | Nok Corporation | Sealing device and method of manufacturing this device |
-
1985
- 1985-06-19 JP JP9159785U patent/JPS62856U/ja active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112007003017B4 (en) * | 2006-12-14 | 2015-09-17 | Nok Corporation | Sealing device and method of manufacturing this device |
| JP2013145056A (en) * | 2007-04-09 | 2013-07-25 | Nok Corp | Sealing device |
| JPWO2008126866A1 (en) * | 2007-04-09 | 2010-07-22 | Nok株式会社 | Sealing device |
| WO2008126866A1 (en) * | 2007-04-09 | 2008-10-23 | Nok Corporation | Sealing device |
| KR101181576B1 (en) * | 2007-04-09 | 2012-09-10 | 엔오케이 가부시키가이샤 | Sealing device |
| US8585059B2 (en) | 2007-04-09 | 2013-11-19 | Nok Corporation | Sealing device |
| JP2010038295A (en) * | 2008-08-06 | 2010-02-18 | Mitsubishi Heavy Ind Ltd | Piston ring for reciprocating engine |
| JP2011169421A (en) * | 2010-02-19 | 2011-09-01 | Isuzu Motors Ltd | Piston ring |
| WO2012067084A1 (en) * | 2010-11-18 | 2012-05-24 | いすゞ自動車株式会社 | Piston ring |
| JP2012229760A (en) * | 2011-04-27 | 2012-11-22 | Smc Corp | Wear ring used in linear actuator |
| WO2012147599A1 (en) * | 2011-04-27 | 2012-11-01 | Smc株式会社 | Wear ring used in linear actuating device |
| TWI547658B (en) * | 2011-04-27 | 2016-09-01 | Ｓｍｃ股份有限公司 | Wear ring for linear working apparatus |
| JP2012233593A (en) * | 2012-08-17 | 2012-11-29 | Mitsubishi Heavy Ind Ltd | Reciprocating engine |