JP2009503412A - ターボ機械 - Google Patents
ターボ機械 Download PDFInfo
- Publication number
- JP2009503412A JP2009503412A JP2008524482A JP2008524482A JP2009503412A JP 2009503412 A JP2009503412 A JP 2009503412A JP 2008524482 A JP2008524482 A JP 2008524482A JP 2008524482 A JP2008524482 A JP 2008524482A JP 2009503412 A JP2009503412 A JP 2009503412A
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- shaft
- shell
- intermediate bush
- bearing shell
- 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.)
- Ceased
Links
Images
Classifications
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- 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
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
- F16C17/18—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with floating brasses or brushing, rotatable at a reduced speed
-
- 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
- F16C33/46—Cages for rollers or needles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/02—Multi-stage pumps
- F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/02—Multi-stage pumps
- F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
- F04D19/048—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps comprising magnetic bearings
-
- 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
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/02—Sliding-contact bearings
-
- 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
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
-
- 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
- F16C39/00—Relieving load on bearings
- F16C39/04—Relieving load on bearings using hydraulic or pneumatic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/50—Bearings
- F05D2240/51—Magnetic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/50—Bearings
- F05D2240/52—Axial thrust bearings
-
- 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)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Non-Positive Displacement Air Blowers (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
Description
Claims (5)
- 磁気軸受(22,23)と機械式の保護軸受とを備えたターボ機械(10)において、
保護軸受が滑り軸受(26)として形成されており、ステータ側の軸受シェル(28)とロータ側の軸受シャフト(20)とを有しており、
軸受シェル(28)と軸受シャフト(20)との間に中間ブシュ(30)が配置されており、該中間ブシュ(30)が軸受シャフト(20)に対しても軸受シェル(28)に対しても環状のギャップ(33,34)により間隔を置いており、かつ
中間ブシュ(30)が軸受シェル(28)および軸受シャフト(20)に対して回転可能である
ことを特徴とするターボ機械。 - 中間ブシュ(30)と軸受シェル(28)との間にサスペンションエレメント(32)が配置されており、該サスペンションエレメント(32)が中間ブシュ(30)を、軸受シェル(28)から間隔を置いて保持する、請求項1記載のターボ機械。
- 軸受シェル(28)と中間ブシュ(30)との間の外側のギャップ(34)のギャップ高さが、中間ブシュ(30)と軸受シャフト(20)との間の内側のギャップ(33)のギャップ高さよりも小さい、請求項1または2記載のターボ機械。
- 中間ブシュ(30)がワンピースであり、金属からなる、請求項1から3までのいずれか1項記載のターボ機械。
- 請求項1から4までのいずれか1項記載の特徴を備えた、磁気支承されたロータを備えたターボ機械(10)のための保護軸受。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005036942A DE102005036942A1 (de) | 2005-08-05 | 2005-08-05 | Turbomaschine |
PCT/EP2006/064576 WO2007017366A1 (de) | 2005-08-05 | 2006-07-24 | Turbomaschine |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2009503412A true JP2009503412A (ja) | 2009-01-29 |
Family
ID=37433722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008524482A Ceased JP2009503412A (ja) | 2005-08-05 | 2006-07-24 | ターボ機械 |
Country Status (8)
Country | Link |
---|---|
US (1) | US8083468B2 (ja) |
EP (1) | EP1910692A1 (ja) |
JP (1) | JP2009503412A (ja) |
KR (1) | KR20080034005A (ja) |
CN (1) | CN101238301A (ja) |
DE (1) | DE102005036942A1 (ja) |
TW (1) | TW200716869A (ja) |
WO (1) | WO2007017366A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006003884A1 (de) * | 2006-01-27 | 2007-08-02 | Mtu Aero Engines Gmbh | Strahltriebwerk mit aktivmagnetischer Lagerung |
DE102008012603B4 (de) * | 2008-03-05 | 2010-07-08 | Siemens Aktiengesellschaft | Maschine mit Fanglager mit Gleitschicht aus Flüssigmetall |
DE102008033758B3 (de) * | 2008-07-18 | 2009-12-10 | Siemens Aktiengesellschaft | Lageranordnung und Lagerbock mit einem magnetischen Radiallager und einem Fanglager für eine rotierende Maschine |
FR2974175B1 (fr) * | 2011-04-14 | 2013-10-11 | Mecanique Magnetique Sa | Dispositif de detection de la position axiale d'un arbre tournant et application a une pompe turbo-moleculaire |
US20130068057A1 (en) * | 2011-09-16 | 2013-03-21 | Hamilon Sundstrand Corporation | Idler gear assembly for a generator |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2294299A (en) * | 1994-10-18 | 1996-04-24 | Barber Colman Co | Backup bearing for magnetic bearings |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2524061C3 (de) * | 1975-05-30 | 1980-04-30 | Arthur Pfeiffer-Vakuumtechnik-Wetzlar Gmbh, 6334 Asslar | Magnetisch gelagerte Turbovakuumpumpe mit Fanglager |
CH663644A5 (de) * | 1982-02-22 | 1987-12-31 | Bbc Brown Boveri & Cie | Turboverdichter. |
US4806075A (en) * | 1983-10-07 | 1989-02-21 | Sargent-Welch Scientific Co. | Turbomolecular pump with improved bearing assembly |
US4641978A (en) * | 1984-10-23 | 1987-02-10 | The United States Of America As Represented By The United States Department Of Energy | Bearing system |
JPH04219493A (ja) | 1990-08-10 | 1992-08-10 | Ebara Corp | ターボ分子ポンプ |
GB9103257D0 (en) * | 1991-02-15 | 1991-04-03 | Glacier Metal The Company Limi | A magnetic bearing-shaft assembly having a bearing to support the shaft in the event of failure of the magnetic bearing |
US6071092A (en) | 1998-03-10 | 2000-06-06 | Varian, Inc. | Vacuum pump with improved back-up bearing assembly |
DE19915983A1 (de) | 1999-04-09 | 2000-10-12 | Pfeiffer Vacuum Gmbh | Vakuumpumpe mit Gaslagerung |
FR2826076B1 (fr) * | 2001-06-15 | 2003-12-12 | Mecanique Magnetique Sa | Palier de secours insensible a la charge axiale |
US6786642B2 (en) * | 2002-08-30 | 2004-09-07 | Pratt & Whitney Canada Corp. | Compliant foil-fluid bearing support arrangement |
-
2005
- 2005-08-05 DE DE102005036942A patent/DE102005036942A1/de not_active Withdrawn
-
2006
- 2006-07-24 JP JP2008524482A patent/JP2009503412A/ja not_active Ceased
- 2006-07-24 US US11/990,074 patent/US8083468B2/en not_active Expired - Fee Related
- 2006-07-24 CN CNA2006800286784A patent/CN101238301A/zh active Pending
- 2006-07-24 EP EP06777930A patent/EP1910692A1/de not_active Withdrawn
- 2006-07-24 WO PCT/EP2006/064576 patent/WO2007017366A1/de active Application Filing
- 2006-07-24 KR KR1020087004691A patent/KR20080034005A/ko not_active Application Discontinuation
- 2006-07-26 TW TW095127277A patent/TW200716869A/zh unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2294299A (en) * | 1994-10-18 | 1996-04-24 | Barber Colman Co | Backup bearing for magnetic bearings |
Also Published As
Publication number | Publication date |
---|---|
US8083468B2 (en) | 2011-12-27 |
US20100098539A1 (en) | 2010-04-22 |
TW200716869A (en) | 2007-05-01 |
EP1910692A1 (de) | 2008-04-16 |
WO2007017366A1 (de) | 2007-02-15 |
KR20080034005A (ko) | 2008-04-17 |
CN101238301A (zh) | 2008-08-06 |
DE102005036942A1 (de) | 2007-02-15 |
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