JPH0218921U - - Google Patents
Info
- Publication number
- JPH0218921U JPH0218921U JP1988096460U JP9646088U JPH0218921U JP H0218921 U JPH0218921 U JP H0218921U JP 1988096460 U JP1988096460 U JP 1988096460U JP 9646088 U JP9646088 U JP 9646088U JP H0218921 U JPH0218921 U JP H0218921U
- Authority
- JP
- Japan
- Prior art keywords
- outer ring
- inner ring
- solid lubricant
- contact
- coated
- 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
- 239000000314 lubricant Substances 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000000034 method Methods 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
- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6696—Special parts or details in view of lubrication with solids as lubricant, e.g. dry coatings, powder
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Description
第１図は本考案のタツチダウン軸受装置に組み
込まれるタツチダウン軸受の断面図、第２図は本
考案のタツチダウン軸受装置を示す、第４図のＡ
部拡大図、第３図は同Ｂ部拡大図、第４図は本考
案のタツチダウン軸受装置が組み込まれるターボ
分子ポンプの縦断面図である。 １：排気口、２：ケーシング、３：軸、４：ロ
ータ、５，６：タツチダウン軸受、７：磁気軸受
、８，９：磁石、１０，１１：ブレード、１２：
内輪、１３：外輪、１４：転動体、１５：固体潤
滑剤、１６，１７：相手部材。
込まれるタツチダウン軸受の断面図、第２図は本
考案のタツチダウン軸受装置を示す、第４図のＡ
部拡大図、第３図は同Ｂ部拡大図、第４図は本考
案のタツチダウン軸受装置が組み込まれるターボ
分子ポンプの縦断面図である。 １：排気口、２：ケーシング、３：軸、４：ロ
ータ、５，６：タツチダウン軸受、７：磁気軸受
、８，９：磁石、１０，１１：ブレード、１２：
内輪、１３：外輪、１４：転動体、１５：固体潤
滑剤、１６，１７：相手部材。
Claims (1)
- 内輪と、外輪と、内外両輪の間に設けられる複
数の転動体とから成り、互いに非接触状態で相対
的に回転する１対の部材の内の一方の部材に内輪
又は外輪を支持させる事で装着した、タツチダウ
ン軸受と、上記１対の部材の内の他方で、回転停
止時に上記外輪又は内輪の内、上記一方の部材に
支持されていないものの表面が接触する相手部材
とから成るタツチダウン軸受装置に於いて、上記
内輪と外輪との表面で、回転停止時に相手部材と
接触する部分に固体潤滑剤を被覆すると共に、相
手部材の表面で、この固体潤滑材を被覆した部分
が接触する部分を硬化させた事を特徴とするタツ
チダウン軸受装置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988096460U JPH0218921U (ja) | 1988-07-22 | 1988-07-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988096460U JPH0218921U (ja) | 1988-07-22 | 1988-07-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0218921U true JPH0218921U (ja) | 1990-02-08 |
Family
ID=31321375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988096460U Pending JPH0218921U (ja) | 1988-07-22 | 1988-07-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0218921U (ja) |
-
1988
- 1988-07-22 JP JP1988096460U patent/JPH0218921U/ja active Pending