JPH0475195U - - Google Patents
Info
- Publication number
- JPH0475195U JPH0475195U JP1990116158U JP11615890U JPH0475195U JP H0475195 U JPH0475195 U JP H0475195U JP 1990116158 U JP1990116158 U JP 1990116158U JP 11615890 U JP11615890 U JP 11615890U JP H0475195 U JPH0475195 U JP H0475195U
- Authority
- JP
- Japan
- Prior art keywords
- rotor shaft
- emergency bearing
- laser
- rolling
- type emergency
- 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
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 241000270281 Coluber constrictor Species 0.000 description 1
- OQZCSNDVOWYALR-UHFFFAOYSA-N flurochloridone Chemical compound FC(F)(F)C1=CC=CC(N2C(C(Cl)C(CCl)C2)=O)=C1 OQZCSNDVOWYALR-UHFFFAOYSA-N 0.000 description 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
- 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
-
- 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
- F16C2360/00—Engines or pumps
- F16C2360/44—Centrifugal pumps
- F16C2360/45—Turbo-molecular pumps
-
- 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
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
-
- 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
- F16C32/0474—Active magnetic bearings for rotary movement
- F16C32/0489—Active magnetic bearings for rotary movement with active support of five degrees of freedom, e.g. two radial magnetic bearings combined with an axial bearing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Non-Positive Displacement Air Blowers (AREA)
Description
第１図は本考案の一実施例に係るターボ分子ポ
ンプの要部断面図、第２図はその作用説明図、第
３図ａは従来のターボ分子ポンプの断面図、同図
ｂはその要部断面図、第４図はその作用説明図で
ある。 １……ロータ軸、２，３……危急軸受、２ａ，
３ａ……レーサ、１Ａ……増大部、１Ｂ……突状
部。
ンプの要部断面図、第２図はその作用説明図、第
３図ａは従来のターボ分子ポンプの断面図、同図
ｂはその要部断面図、第４図はその作用説明図で
ある。 １……ロータ軸、２，３……危急軸受、２ａ，
３ａ……レーサ、１Ａ……増大部、１Ｂ……突状
部。
Claims (1)
- ロータ軸と間隔をあけて嵌合し上記ロータ軸の
振動変位量を規制する転がり型の危急軸受と、該
危急軸受のレーサと対峙して上記ロータ軸に突設
され上記レーサよりも幅の小さい帯状体とを備え
たことを特徴とするターボ分子ポンプ。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990116158U JPH0475195U (ja) | 1990-11-07 | 1990-11-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990116158U JPH0475195U (ja) | 1990-11-07 | 1990-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0475195U true JPH0475195U (ja) | 1992-06-30 |
Family
ID=31863975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990116158U Pending JPH0475195U (ja) | 1990-11-07 | 1990-11-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0475195U (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151272A (zh) * | 2016-08-15 | 2016-11-23 | 珠海格力节能环保制冷技术研究中心有限公司 | 磁悬浮轴承的保护结构及磁悬浮轴承组件 |
-
1990
- 1990-11-07 JP JP1990116158U patent/JPH0475195U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151272A (zh) * | 2016-08-15 | 2016-11-23 | 珠海格力节能环保制冷技术研究中心有限公司 | 磁悬浮轴承的保护结构及磁悬浮轴承组件 |
| CN106151272B (zh) * | 2016-08-15 | 2019-03-15 | 珠海格力电器股份有限公司 | 磁悬浮轴承的保护结构及磁悬浮轴承组件 |