JPH0198316U - - Google Patents
Info
- Publication number
- JPH0198316U JPH0198316U JP19275487U JP19275487U JPH0198316U JP H0198316 U JPH0198316 U JP H0198316U JP 19275487 U JP19275487 U JP 19275487U JP 19275487 U JP19275487 U JP 19275487U JP H0198316 U JPH0198316 U JP H0198316U
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- recess
- protective
- contact
- rotating body
- 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
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000010586 diagram 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
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/044—Active magnetic bearings
- F16C32/0442—Active magnetic bearings with devices affected by abnormal, undesired or non-standard conditions such as shock-load, power outage, start-up or touchdown
-
- 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
- F16C39/00—Relieving load on bearings
- F16C39/02—Relieving load on bearings using mechanical means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Description
第１図は本考案の第一の実施例の説明図、第２
図及び第３図はそれぞれ本考案の第２及び第３の
実施例の要部の説明図、第４図は従来の保護軸受
の説明図である。 １……回転体、１―ｂ……凹部、２……ラジア
ル磁気軸受、３……スラスト磁気軸受、４―２，
４―３，４―５……軸受棒、４―１，４―４，１
―ｃ……ボールベアリング。
図及び第３図はそれぞれ本考案の第２及び第３の
実施例の要部の説明図、第４図は従来の保護軸受
の説明図である。 １……回転体、１―ｂ……凹部、２……ラジア
ル磁気軸受、３……スラスト磁気軸受、４―２，
４―３，４―５……軸受棒、４―１，４―４，１
―ｃ……ボールベアリング。
Claims (1)
- 磁気軸受又は流体軸受等の軸受で支承される回
転体において、同回転体の軸方向端部中心部に凹
部を設け、同凹部に対向して軸受棒を備えた保護
軸受を設け、正常回転中は上記保護軸受と上記凹
部とが非接触であり振動回転時は上記保護軸受と
が上記凹部に接触するように上記保護軸受と上記
凹部の間にクリアランスが設けられていることを
特徴とする回転体の保護軸受装置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19275487U JPH0198316U (ja) | 1987-12-21 | 1987-12-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19275487U JPH0198316U (ja) | 1987-12-21 | 1987-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0198316U true JPH0198316U (ja) | 1989-06-30 |
Family
ID=31483594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19275487U Pending JPH0198316U (ja) | 1987-12-21 | 1987-12-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0198316U (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03203253A (ja) * | 1989-12-28 | 1991-09-04 | Ebara Corp | 保管庫 |
| JP2002202088A (ja) * | 2001-01-09 | 2002-07-19 | Shimadzu Corp | ターボ形高速回転機器 |
| JP2010031857A (ja) * | 2008-07-26 | 2010-02-12 | Pfeiffer Vacuum Gmbh | 真空ポンプ |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59194125A (ja) * | 1983-04-18 | 1984-11-02 | Natl Aerospace Lab | 宇宙用軸受の放電損傷防止装置 |
| JPS60164012A (ja) * | 1984-02-03 | 1985-08-27 | Toshiba Corp | 磁気軸受装置 |
-
1987
- 1987-12-21 JP JP19275487U patent/JPH0198316U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59194125A (ja) * | 1983-04-18 | 1984-11-02 | Natl Aerospace Lab | 宇宙用軸受の放電損傷防止装置 |
| JPS60164012A (ja) * | 1984-02-03 | 1985-08-27 | Toshiba Corp | 磁気軸受装置 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03203253A (ja) * | 1989-12-28 | 1991-09-04 | Ebara Corp | 保管庫 |
| JP2002202088A (ja) * | 2001-01-09 | 2002-07-19 | Shimadzu Corp | ターボ形高速回転機器 |
| JP2010031857A (ja) * | 2008-07-26 | 2010-02-12 | Pfeiffer Vacuum Gmbh | 真空ポンプ |