JPH0192561U - - Google Patents
Info
- Publication number
- JPH0192561U JPH0192561U JP18896487U JP18896487U JPH0192561U JP H0192561 U JPH0192561 U JP H0192561U JP 18896487 U JP18896487 U JP 18896487U JP 18896487 U JP18896487 U JP 18896487U JP H0192561 U JPH0192561 U JP H0192561U
- Authority
- JP
- Japan
- Prior art keywords
- radial direction
- attached
- annular plate
- core metal
- seal
- 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
- 238000007789 sealing Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 239000011553 magnetic fluid Substances 0.000 claims description 2
- 239000000696 magnetic material Substances 0.000 claims 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/784—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race
- F16C33/7843—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc
- F16C33/7846—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc with a gap between the annular disc and the inner race
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/762—Sealings of ball or roller bearings by means of a fluid
- F16C33/763—Sealings of ball or roller bearings by means of a fluid retained in the sealing gap
- F16C33/765—Sealings of ball or roller bearings by means of a fluid retained in the sealing gap by a magnetic field
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
第1図は本考案の第1実施例にかかり、密封装
置を備えた玉軸受の上半部を示す一部省略断面図
である。第2図ないし第4図は本考案の第2ない
し第4実施例にかかり、いずれも密封装置を示す
拡大断面図である。また、第5図は従来例を示す
上半部の一部省略断面図である。 11……外輪、12……内輪、20……密封装
置、21……シール本体、22……磁性流体、2
3……永久磁石芯金、25……弾性体、26……
ポールピース(環状板)。
置を備えた玉軸受の上半部を示す一部省略断面図
である。第2図ないし第4図は本考案の第2ない
し第4実施例にかかり、いずれも密封装置を示す
拡大断面図である。また、第5図は従来例を示す
上半部の一部省略断面図である。 11……外輪、12……内輪、20……密封装
置、21……シール本体、22……磁性流体、2
3……永久磁石芯金、25……弾性体、26……
ポールピース(環状板)。
Claims (1)
- 【実用新案登録請求の範囲】 相対回転する内外一対の部材のうち一方の部材
に、径方向に磁化された薄肉環状の永久磁石より
なる芯金とこの一端から一側面に跨がつて被着さ
れた弾性体とからなるシール本体が取り付けられ
、 前記芯金の自由端が他方の部材の周面との間で
シール隙間を形成するように径方向に沿つて延出
され、 前記芯金の他側面に軟磁性材製の環状板が取り
付けられていて、 この環状板と前記他方の部材との間および前記
芯金と前記他方の部材との間に形成の各シール隙
間に磁性流体が保持されていることを特徴とする
密封装置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18896487U JPH0192561U (ja) | 1987-12-11 | 1987-12-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18896487U JPH0192561U (ja) | 1987-12-11 | 1987-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0192561U true JPH0192561U (ja) | 1989-06-16 |
Family
ID=31480025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18896487U Pending JPH0192561U (ja) | 1987-12-11 | 1987-12-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0192561U (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016031114A (ja) * | 2014-07-29 | 2016-03-07 | グローブライド株式会社 | 磁性流体シール付き軸受 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS601299U (ja) * | 1983-06-18 | 1985-01-08 | 前田 敏夫 | 吸殻消火装置 |
| JPS62266227A (ja) * | 1986-05-14 | 1987-11-19 | Koyo Seiko Co Ltd | 密封型ころがり軸受 |
-
1987
- 1987-12-11 JP JP18896487U patent/JPH0192561U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS601299U (ja) * | 1983-06-18 | 1985-01-08 | 前田 敏夫 | 吸殻消火装置 |
| JPS62266227A (ja) * | 1986-05-14 | 1987-11-19 | Koyo Seiko Co Ltd | 密封型ころがり軸受 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016031114A (ja) * | 2014-07-29 | 2016-03-07 | グローブライド株式会社 | 磁性流体シール付き軸受 |