DE60123425D1 - Hybrid notlager für vacuumpumpe - Google Patents
Hybrid notlager für vacuumpumpeInfo
- Publication number
- DE60123425D1 DE60123425D1 DE60123425T DE60123425T DE60123425D1 DE 60123425 D1 DE60123425 D1 DE 60123425D1 DE 60123425 T DE60123425 T DE 60123425T DE 60123425 T DE60123425 T DE 60123425T DE 60123425 D1 DE60123425 D1 DE 60123425D1
- Authority
- DE
- Germany
- Prior art keywords
- roller bearing
- rolling elements
- vacuum pump
- rotor
- emergency bearing
- 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.)
- Expired - Lifetime
Links
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
- F16C33/30—Parts of ball or roller bearings
- F16C33/37—Loose spacing bodies
- F16C33/3713—Loose spacing bodies with other rolling elements serving as spacing bodies, e.g. the spacing bodies are in rolling contact with the load carrying rolling elements
-
- 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
- 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
- F16C19/20—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows with loose spacing bodies, e.g. balls, between the bearing 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
- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/32—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
- 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
- F16C2360/00—Engines or pumps
- F16C2360/44—Centrifugal pumps
- F16C2360/45—Turbo-molecular pumps
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Non-Positive Displacement Air Blowers (AREA)
- Sliding-Contact Bearings (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0008795 | 2000-07-06 | ||
FR0008795A FR2811385B1 (fr) | 2000-07-06 | 2000-07-06 | Roulements hybrides d'atterrissage pour pompe a vide |
PCT/FR2001/002151 WO2002002957A1 (fr) | 2000-07-06 | 2001-07-05 | Roulements hybrides d'atterrissage pour pompe a vide |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60123425D1 true DE60123425D1 (de) | 2006-11-09 |
DE60123425T2 DE60123425T2 (de) | 2007-08-02 |
Family
ID=8852174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60123425T Expired - Lifetime DE60123425T2 (de) | 2000-07-06 | 2001-07-05 | Hybrid notlager für vacuumpumpe |
Country Status (7)
Country | Link |
---|---|
US (1) | US6877904B2 (de) |
EP (1) | EP1297267B1 (de) |
JP (1) | JP2004502109A (de) |
AT (1) | ATE340945T1 (de) |
DE (1) | DE60123425T2 (de) |
FR (1) | FR2811385B1 (de) |
WO (1) | WO2002002957A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10162473B4 (de) * | 2001-12-19 | 2005-12-01 | Fag Kugelfischer Ag & Co. Ohg | Wälzlager in Tiefbohreinrichtung |
DE102007033905A1 (de) | 2007-07-20 | 2009-01-22 | Schaeffler Kg | Vollkugeliges Schrägkugellager |
TW201109544A (en) * | 2009-09-14 | 2011-03-16 | Prec Machinery Res Dev Ct | Bearing and main shaft mechanism of tool machine using the bearing |
DE202009013629U1 (de) * | 2009-10-09 | 2011-02-24 | Oerlikon Leybold Vacuum Gmbh | Vakuum-Wälzlageranordnung sowie Vakuumpumpe |
DE102011119907A1 (de) * | 2011-12-01 | 2013-06-06 | Pfeiffer Vacuum Gmbh | Wälzlager für eine Vakuumpumpe |
CN103697065A (zh) * | 2013-12-12 | 2014-04-02 | 洛阳轴研科技股份有限公司 | 一种用于超高速电主轴的角接触球轴承 |
CN104847786A (zh) * | 2014-10-20 | 2015-08-19 | 北京控制工程研究所 | 一种稳定运转的陶瓷轴承 |
CH713177A1 (de) * | 2016-11-21 | 2018-05-31 | Marenco Swisshelicopter Ag | Rotormast. |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1540168A (fr) * | 1967-10-09 | 1968-09-20 | Langendorf Horlogerie | Palier à billes |
NL9401873A (nl) * | 1994-11-09 | 1996-06-03 | Skf Ind Trading & Dev | Wentellager met verbeterde slijtage kenmerken. |
DE19729450C2 (de) * | 1997-07-10 | 1999-12-09 | Fag Aircraft Gmbh | Wälzlager, insbesondere Notlager für magnetisch gelagerte Vakuumpumpen |
-
2000
- 2000-07-06 FR FR0008795A patent/FR2811385B1/fr not_active Expired - Fee Related
-
2001
- 2001-07-05 JP JP2002507189A patent/JP2004502109A/ja active Pending
- 2001-07-05 DE DE60123425T patent/DE60123425T2/de not_active Expired - Lifetime
- 2001-07-05 EP EP01984114A patent/EP1297267B1/de not_active Expired - Lifetime
- 2001-07-05 US US10/070,362 patent/US6877904B2/en not_active Expired - Fee Related
- 2001-07-05 WO PCT/FR2001/002151 patent/WO2002002957A1/fr active IP Right Grant
- 2001-07-05 AT AT01984114T patent/ATE340945T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP2004502109A (ja) | 2004-01-22 |
EP1297267A1 (de) | 2003-04-02 |
WO2002002957A1 (fr) | 2002-01-10 |
DE60123425T2 (de) | 2007-08-02 |
EP1297267B1 (de) | 2006-09-27 |
FR2811385B1 (fr) | 2002-11-29 |
ATE340945T1 (de) | 2006-10-15 |
FR2811385A1 (fr) | 2002-01-11 |
US20020136476A1 (en) | 2002-09-26 |
US6877904B2 (en) | 2005-04-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: ALCATEL LUCENT, PARIS, FR |
|
8364 | No opposition during term of opposition |