JPH0296023U - - Google Patents
Info
- Publication number
- JPH0296023U JPH0296023U JP1989005094U JP509489U JPH0296023U JP H0296023 U JPH0296023 U JP H0296023U JP 1989005094 U JP1989005094 U JP 1989005094U JP 509489 U JP509489 U JP 509489U JP H0296023 U JPH0296023 U JP H0296023U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic fluid
- fluid seal
- sealing device
- seals
- 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
- 238000007789 sealing Methods 0.000 claims description 6
- 239000011553 magnetic fluid Substances 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 2
- 239000000314 lubricant Substances 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 230000002265 prevention Effects 0.000 claims 1
- 238000005096 rolling process Methods 0.000 description 3
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
- F16C33/762—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
-
- 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
- F16C33/7896—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members with two or more discrete sealings arranged in series
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
-
- 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
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図は本考案の一実施例にかかる密封装置を
備えた転がり軸受の上半部を示す縦断面図、第2
図は本考案の他の実施例にかかる密封装置を備え
た転がり軸受の上半部を示す縦断面図である。ま
た、第3図は従来例にかかる密封装置を備えた転
がり軸受の上半部を示す縦断面図である。 1……内輪、2……外輪、10……非接触シー
ル、20……磁性流体シール、40……凸部(隔
離部)、42……傾斜面。
備えた転がり軸受の上半部を示す縦断面図、第2
図は本考案の他の実施例にかかる密封装置を備え
た転がり軸受の上半部を示す縦断面図である。ま
た、第3図は従来例にかかる密封装置を備えた転
がり軸受の上半部を示す縦断面図である。 1……内輪、2……外輪、10……非接触シー
ル、20……磁性流体シール、40……凸部(隔
離部)、42……傾斜面。
Claims (1)
- 【実用新案登録請求の範囲】 内外の部材間で清浄空間側に設けられた磁性流
体シールと、潤滑剤存在空間側に前記磁性流体シ
ールと隣り合つて設けられた潤滑剤漏洩防止用シ
ールとを備え、両シールの密封部が内側部材の外
周面上に設けられた構造の密封装置において、 両シールの間で内側部材の外周面に、磁性流体
シール側に向いて外径方向に立ち上がる面を有す
る隔離部が設けら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 |
|---|---|---|---|
| JP1989005094U JPH0296023U (ja) | 1989-01-19 | 1989-01-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989005094U JPH0296023U (ja) | 1989-01-19 | 1989-01-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0296023U true JPH0296023U (ja) | 1990-07-31 |
Family
ID=31208170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989005094U Pending JPH0296023U (ja) | 1989-01-19 | 1989-01-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0296023U (ja) |
Cited By (2)
| 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 |
| KR20170015123A (ko) * | 2015-07-31 | 2017-02-08 | 가부시키가이샤 시마노 | 자기 실 기구 및 낚시용 릴 |
-
1989
- 1989-01-19 JP JP1989005094U patent/JPH0296023U/ja active Pending
Cited By (4)
| 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 |
| KR20170015123A (ko) * | 2015-07-31 | 2017-02-08 | 가부시키가이샤 시마노 | 자기 실 기구 및 낚시용 릴 |
| JP2017029042A (ja) * | 2015-07-31 | 2017-02-09 | 株式会社シマノ | 磁気シール機構および魚釣用リール |
| TWI682713B (zh) * | 2015-07-31 | 2020-01-21 | 日商島野股份有限公司 | 釣具用捲線器 |