JPS5177746A - - Google Patents
Info
- Publication number
- JPS5177746A JPS5177746A JP50145843A JP14584375A JPS5177746A JP S5177746 A JPS5177746 A JP S5177746A JP 50145843 A JP50145843 A JP 50145843A JP 14584375 A JP14584375 A JP 14584375A JP S5177746 A JPS5177746 A JP S5177746A
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- winding
- ferromagnetic
- shaped portion
- sensor
- 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.)
- Granted
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
- 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
- F16C32/0444—Details of devices to control the actuation of the electromagnets
-
- 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
- F04D19/042—Turbomolecular vacuum 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/09—Structural association with bearings with 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
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/40—Application independent of particular apparatuses related to environment, i.e. operating conditions
- F16C2300/62—Application independent of particular apparatuses related to environment, i.e. operating conditions low pressure, e.g. elements operating under vacuum conditions
-
- 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)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Non-Positive Displacement Air Blowers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2457783.1 | 1974-12-06 | ||
DE2457783A DE2457783C2 (de) | 1974-12-06 | 1974-12-06 | Magnetische Lagerung |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5177746A true JPS5177746A (US06650917-20031118-M00005.png) | 1976-07-06 |
JPS6014209B2 JPS6014209B2 (ja) | 1985-04-12 |
Family
ID=5932742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50145843A Expired JPS6014209B2 (ja) | 1974-12-06 | 1975-12-05 | 磁気支承装置 |
Country Status (5)
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0185493U (US06650917-20031118-M00005.png) * | 1987-11-30 | 1989-06-06 | ||
JPH0188094U (US06650917-20031118-M00005.png) * | 1987-11-30 | 1989-06-09 | ||
JP2011112048A (ja) * | 2009-11-26 | 2011-06-09 | Oerlikon Leybold Vacuum Gmbh | 真空ポンプ |
Families Citing this family (62)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2519651B2 (de) * | 1975-05-02 | 1979-05-31 | Teldix Gmbh, 6900 Heidelberg | Magnetische Lageranordnung |
FR2384174A1 (fr) * | 1977-03-15 | 1978-10-13 | Aerospatiale | Roue d'inertie |
FR2399758A1 (fr) * | 1977-08-03 | 1979-03-02 | Aerospatiale | Corps tournants suspendus magnetiquement |
FR2426830A1 (fr) * | 1978-05-22 | 1979-12-21 | Org Europeene De Rech | Dispositif a moment d'inertie a suspension magnetique |
US4312628A (en) * | 1979-05-21 | 1982-01-26 | Cambridge Thermionic Corporation | Turbomolecular vacuum pump having virtually zero power magnetic bearing assembly with single axis servo control |
EP0060569B1 (en) * | 1981-03-18 | 1990-12-19 | Günther Walter Otto Bramm | Magnetically suspended and rotated impellor pump apparatus |
US4688998A (en) * | 1981-03-18 | 1987-08-25 | Olsen Don B | Magnetically suspended and rotated impellor pump apparatus and method |
JPS5841296A (ja) * | 1981-09-04 | 1983-03-10 | Seiko Instr & Electronics Ltd | 磁気軸受を応用した小型軸流分子ポンプ |
DE3204750C2 (de) * | 1982-02-11 | 1984-04-26 | Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar | Magnetisch gelagerte Turbomolekularpumpe |
US4944748A (en) * | 1986-10-12 | 1990-07-31 | Bramm Gunter W | Magnetically suspended and rotated rotor |
US5078741A (en) * | 1986-10-12 | 1992-01-07 | Life Extenders Corporation | Magnetically suspended and rotated rotor |
US4579508A (en) * | 1982-04-21 | 1986-04-01 | Hitachi, Ltd. | Turbomolecular pump |
JPH0646036B2 (ja) * | 1982-11-19 | 1994-06-15 | セイコー電子工業株式会社 | 軸流分子ポンプ |
DE3243641C2 (de) * | 1982-11-25 | 1996-03-14 | Teldix Gmbh | Kippbare Lagerung eines Rotors |
DE3302839A1 (de) * | 1983-01-28 | 1984-08-02 | Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar | Turbomolekularpumpe mit induktivitaetsarmem gleichstrommotor, bremseinrichtung und verfahren zum betrieb derselben |
US4585282A (en) * | 1983-07-19 | 1986-04-29 | Bosley Robert W | Magnetic levitation system |
FR2627313B1 (fr) * | 1988-02-12 | 1994-08-05 | Mecanique Magnetique Sa | Dispositif de suspension et d'entrainement de disques de memoire d'ordinateur |
DE3818556A1 (de) * | 1988-06-01 | 1989-12-07 | Pfeiffer Vakuumtechnik | Magnetlager fuer eine schnell rotierende vakuumpumpe |
EP0396849B1 (en) * | 1989-05-08 | 1994-08-10 | Nippon Ferrofluidics Corporation | Magnetic bearing device |
US4983869A (en) * | 1989-08-08 | 1991-01-08 | Sundstrand Corporation | Magnetic bearing |
JPH04219493A (ja) * | 1990-08-10 | 1992-08-10 | Ebara Corp | ターボ分子ポンプ |
US5129795A (en) * | 1991-05-31 | 1992-07-14 | Powerdyne Corporation | Motor driven pump |
DE4208039C2 (de) * | 1992-03-13 | 2002-01-17 | Schlafhorst & Co W | Topfspinnvorrichtung |
US5310311A (en) * | 1992-10-14 | 1994-05-10 | Barber-Colman Company | Air cycle machine with magnetic bearings |
US5396136A (en) * | 1992-10-28 | 1995-03-07 | Sri International | Magnetic field levitation |
DE4237971B4 (de) * | 1992-11-11 | 2004-05-06 | Unaxis Deutschland Holding Gmbh | Vakuumpumpe mit Wandler |
DE4409993A1 (de) * | 1994-03-23 | 1995-09-28 | Skf Textilmasch Komponenten | Elektrische Antriebsvorrichtung in Form eines Axialfeldmotors mit Magnet-Gaslagerung |
FR2717947B1 (fr) * | 1994-03-25 | 1996-05-31 | Sagem | Actionneur électromagnétique rotatif à débattement angulaire limité. |
DE4427154A1 (de) * | 1994-08-01 | 1996-02-08 | Balzers Pfeiffer Gmbh | Reibungspumpe mit Magnetlagerung |
FR2728738B1 (fr) * | 1994-12-26 | 1997-01-31 | Cit Alcatel | Ensemble tournant comportant notamment des moyens de sustentation radiaux et une butee axiale magnetique |
US5947703A (en) * | 1996-01-31 | 1999-09-07 | Ntn Corporation | Centrifugal blood pump assembly |
DE19637270A1 (de) * | 1996-09-13 | 1998-03-19 | Schlafhorst & Co W | Topfspinnvorrichtung |
DE19820622A1 (de) * | 1998-05-09 | 1999-11-11 | Peter Frieden | Demontierbare Vielzweckpumpe oder -kompressor für Chemie-, Verfahrens-, Lebensmittel- und Vakuumtechnik |
ITTO980453A1 (it) * | 1998-05-27 | 1999-11-29 | Varian Spa | Pompa da vuoto compatta |
US6313555B1 (en) | 1998-08-19 | 2001-11-06 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Low loss pole configuration for multi-pole homopolar magnetic bearings |
US6177997B1 (en) | 1998-08-19 | 2001-01-23 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Shaft position optical sensor |
DE20022339U1 (de) | 1999-04-20 | 2001-07-26 | Forschungszentrum Juelich Gmbh | Rotoreinrichtung |
DE19944863A1 (de) * | 1999-09-18 | 2001-04-19 | Forschungszentrum Juelich Gmbh | Magnetlager |
US6508631B1 (en) | 1999-11-18 | 2003-01-21 | Mks Instruments, Inc. | Radial flow turbomolecular vacuum pump |
DE10032440A1 (de) | 2000-07-04 | 2002-01-17 | Schlafhorst & Co W | Rotorspinnvorrichtung mit einer berührungslosen passiven radialen Lagerung des Spinnrotors |
TWI220327B (en) * | 2003-05-16 | 2004-08-11 | Ind Tech Res Inst | Magnetic levitation bearing structure |
US7135798B2 (en) * | 2003-07-25 | 2006-11-14 | Industrial Technology Reserach Institute | Magnetic suspension bearing |
WO2005028872A2 (en) | 2003-09-18 | 2005-03-31 | Myrakelle, Llc | Rotary blood pump |
CN100472916C (zh) * | 2003-09-22 | 2009-03-25 | 台达电子工业股份有限公司 | 无轴承马达 |
FR2861142B1 (fr) * | 2003-10-16 | 2006-02-03 | Mecanique Magnetique Sa | Pompe a vide turbo moleculaire |
EP1619395B1 (en) * | 2004-07-20 | 2010-03-10 | VARIAN S.p.A. | Rotary vacuum pump, structure and method for the balancing thereof |
US7038341B1 (en) | 2004-11-04 | 2006-05-02 | Industrial Technology Research Institute | Magnetic suspension bearing with damping system |
CN103170020A (zh) | 2006-03-31 | 2013-06-26 | 索罗泰克公司 | 血泵和泵送血液的方法 |
US9091271B2 (en) | 2010-08-20 | 2015-07-28 | Thoratec Corporation | Implantable blood pump |
US9265870B2 (en) | 2010-10-13 | 2016-02-23 | Thoratec Corporation | Pumping blood |
ITCO20100067A1 (it) | 2010-12-23 | 2012-06-24 | Nuovo Pignone Spa | Connessione elettrica per turbomacchina e metodo |
DE112012004282T5 (de) | 2011-10-13 | 2014-07-03 | Thoratec Corporation | Pumpe und verfahren zum halbaxialpumpen von blut |
WO2013134319A1 (en) | 2012-03-05 | 2013-09-12 | Justin Aron Callaway | Modular implantable medical pump |
EP2890419B1 (en) | 2012-08-31 | 2019-07-31 | Tc1 Llc | Start-up algorithm for an implantable blood pump |
US9579436B2 (en) | 2012-08-31 | 2017-02-28 | Thoratec Corporation | Sensor mounting in an implantable blood pump |
CN104373352B (zh) * | 2014-11-05 | 2016-08-24 | 北京石油化工学院 | 磁悬浮单轴直驱压缩机 |
US10724534B2 (en) | 2014-11-26 | 2020-07-28 | Tc1 Llc | Pump and method for mixed flow blood pumping |
GB2545423B (en) | 2015-12-14 | 2019-06-26 | Edwards Ltd | Vacuum pump |
US10857273B2 (en) | 2016-07-21 | 2020-12-08 | Tc1 Llc | Rotary seal for cantilevered rotor pump and methods for axial flow blood pumping |
US10208760B2 (en) | 2016-07-28 | 2019-02-19 | General Electric Company | Rotary machine including active magnetic bearing |
WO2018031741A1 (en) | 2016-08-12 | 2018-02-15 | Tc1 Llc | Devices and methods for monitoring bearing and seal performance |
US10973967B2 (en) | 2018-01-10 | 2021-04-13 | Tc1 Llc | Bearingless implantable blood pump |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7112175U (US06650917-20031118-M00005.png) * | 1900-01-01 | |||
US2869935A (en) * | 1953-06-08 | 1959-01-20 | Duncan Electric Co Inc | Magnetic suspension |
US3473852A (en) * | 1967-12-18 | 1969-10-21 | Cambridge Thermionic Corp | Magnetic suspension apparatus |
US3490816A (en) * | 1967-12-18 | 1970-01-20 | Cambridge Thermionic Corp | Regulated suspension system |
US3493275A (en) * | 1967-12-18 | 1970-02-03 | Little Inc A | Vertical suspension system |
DE1933031C3 (de) * | 1969-06-30 | 1978-10-26 | Karl 5170 Juelich Boden | Magnetische Lagerung |
FR2086526A5 (US06650917-20031118-M00005.png) * | 1970-04-01 | 1971-12-31 | Commissariat Energie Atomique | |
US3698775A (en) * | 1970-04-01 | 1972-10-17 | Technical Management Services | Magnetic support and motor structure |
DE2123654B2 (de) * | 1971-05-13 | 1973-11-22 | Maschinenfabrik Augsburg-Nuernberg Ag, 8000 Muenchen | Dampfungsvorrichtung fur einen schnell umlaufenden Rotationskörper |
US3860300A (en) * | 1971-07-07 | 1975-01-14 | Cambridge Thermionic Corp | Virtually zero powered magnetic suspension |
US3791704A (en) * | 1971-08-06 | 1974-02-12 | Cambridge Thermionic Corp | Trimming apparatus for magnetic suspension systems |
DE2139614A1 (de) * | 1971-08-07 | 1973-05-30 | Dornier Ag | Magnetische lagerung, insbesondere freischwebende aufhaengung fuer einen axial gestreckten rotor mit vertikaler drehachse |
US3780593A (en) * | 1971-10-05 | 1973-12-25 | Gen Motors Corp | Magnetic fluid hydrodynamic bearing |
DE2213447C3 (de) * | 1972-03-20 | 1981-01-29 | Karl 5170 Juelich Boden | Magnetische Lagerung |
DE2213470B2 (de) * | 1972-03-20 | 1980-04-10 | Padana Ag, Zug (Schweiz) | Magnetisches Lager |
DE2336488A1 (de) * | 1973-07-18 | 1975-02-06 | Klein Schanzlin & Becker Ag | Axiallagerung fuer kreiselpumpen |
CH583856A5 (US06650917-20031118-M00005.png) * | 1974-09-27 | 1977-01-14 | Balzers Patent Beteilig Ag |
-
1974
- 1974-12-06 DE DE2457783A patent/DE2457783C2/de not_active Expired
-
1975
- 1975-11-28 GB GB49088/75A patent/GB1525489A/en not_active Expired
- 1975-12-04 US US05/637,744 patent/US4082376A/en not_active Expired - Lifetime
- 1975-12-05 JP JP50145843A patent/JPS6014209B2/ja not_active Expired
- 1975-12-05 FR FR7537254A patent/FR2293623A1/fr active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0185493U (US06650917-20031118-M00005.png) * | 1987-11-30 | 1989-06-06 | ||
JPH0188094U (US06650917-20031118-M00005.png) * | 1987-11-30 | 1989-06-09 | ||
JP2011112048A (ja) * | 2009-11-26 | 2011-06-09 | Oerlikon Leybold Vacuum Gmbh | 真空ポンプ |
Also Published As
Publication number | Publication date |
---|---|
FR2293623A1 (fr) | 1976-07-02 |
DE2457783C2 (de) | 1986-10-09 |
DE2457783A1 (de) | 1976-06-16 |
US4082376A (en) | 1978-04-04 |
GB1525489A (en) | 1978-09-20 |
JPS6014209B2 (ja) | 1985-04-12 |
FR2293623B1 (US06650917-20031118-M00005.png) | 1979-06-01 |
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