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IT1172962B - TURBOMOLECULAR PUMP WITH DIRECT CURRENT MOTOR OF LOW INDUCTIVITY, BRAKING DEVICE AND PROCEDURE FOR THE OPERATION OF THE SAME - Google Patents

TURBOMOLECULAR PUMP WITH DIRECT CURRENT MOTOR OF LOW INDUCTIVITY, BRAKING DEVICE AND PROCEDURE FOR THE OPERATION OF THE SAME

Info

Publication number
IT1172962B
IT1172962B IT19024/84A IT1902484A IT1172962B IT 1172962 B IT1172962 B IT 1172962B IT 19024/84 A IT19024/84 A IT 19024/84A IT 1902484 A IT1902484 A IT 1902484A IT 1172962 B IT1172962 B IT 1172962B
Authority
IT
Italy
Prior art keywords
procedure
direct current
same
braking device
current motor
Prior art date
Application number
IT19024/84A
Other languages
Italian (it)
Other versions
IT8419024A0 (en
Inventor
Willi Becker
Original Assignee
Pfeiffer Vakuumtechnik
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pfeiffer Vakuumtechnik filed Critical Pfeiffer Vakuumtechnik
Publication of IT8419024A0 publication Critical patent/IT8419024A0/en
Application granted granted Critical
Publication of IT1172962B publication Critical patent/IT1172962B/en

Links

Classifications

    • 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
    • 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
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/106—Structural association with clutches, brakes, gears, pulleys or mechanical starters with dynamo-electric brakes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
    • H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter
    • H02P3/18—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an AC motor
    • H02P3/22—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an AC motor by short-circuit or resistive braking
    • 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
    • F16C2380/00—Electrical apparatus
    • F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
  • Brushless Motors (AREA)
IT19024/84A 1983-01-28 1984-01-05 TURBOMOLECULAR PUMP WITH DIRECT CURRENT MOTOR OF LOW INDUCTIVITY, BRAKING DEVICE AND PROCEDURE FOR THE OPERATION OF THE SAME IT1172962B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833302839 DE3302839A1 (en) 1983-01-28 1983-01-28 TURBOMOLECULAR PUMP WITH LOW-INDUCTIVE DC MOTOR, BRAKE DEVICE AND METHOD FOR OPERATING THE SAME

Publications (2)

Publication Number Publication Date
IT8419024A0 IT8419024A0 (en) 1984-01-05
IT1172962B true IT1172962B (en) 1987-06-18

Family

ID=6189439

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19024/84A IT1172962B (en) 1983-01-28 1984-01-05 TURBOMOLECULAR PUMP WITH DIRECT CURRENT MOTOR OF LOW INDUCTIVITY, BRAKING DEVICE AND PROCEDURE FOR THE OPERATION OF THE SAME

Country Status (6)

Country Link
JP (1) JPS59144333A (en)
CH (1) CH663066A5 (en)
DE (1) DE3302839A1 (en)
FR (1) FR2540191B1 (en)
GB (1) GB2134326B (en)
IT (1) IT1172962B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3432946C2 (en) * 1984-09-07 1994-08-04 Pfeiffer Vakuumtechnik Collectorless DC motor with ironless stator winding
JPS6248173U (en) * 1985-09-13 1987-03-25
JPS62218692A (en) * 1986-03-18 1987-09-26 Mitsubishi Electric Corp Turbo-molecular pump device
JPS62261696A (en) * 1986-05-08 1987-11-13 Mitsubishi Electric Corp Turbo-molecular pumping plant
JPS63242153A (en) * 1987-03-27 1988-10-07 Nippon Seiko Kk Magnetic bearing motor
DE3740295A1 (en) * 1987-11-27 1989-06-08 Asea Brown Boveri AXIAL MAGNETIC BEARING
DE3931661A1 (en) * 1989-08-25 1991-04-04 Leybold Ag MAGNETIC BEARING VACUUM PUMP
JPH05502076A (en) * 1989-12-20 1993-04-15 アライド・シグナル・インコーポレーテツド variable speed turbo vacuum pump
DE4318214A1 (en) * 1993-06-01 1994-12-08 Leybold Ag Process for operating a friction vacuum pump and a friction vacuum pump suitable for this operating process
FR2747431B1 (en) * 1996-04-15 1998-07-03 Soc D Mecanique Magnetique TURBOMOLECULAR PUMP WITH ACTIVE MAGNETIC BEARINGS
DE19806077A1 (en) * 1997-11-27 1999-06-02 Itt Mfg Enterprises Inc Rotor bearing for a motor pump unit
ITTO980453A1 (en) * 1998-05-27 1999-11-29 Varian Spa COMPACT VACUUM PUMP
DE102006041183A1 (en) * 2006-09-01 2008-03-06 Oerlikon Leybold Vacuum Gmbh Turbo-molecular vacuum pump, has motor coils connected with brake resistor by change-over contact of brake relay e.g. mechanical relay, and with inverter module by another change-over contact of brake relay
DE102007044690A1 (en) * 2007-09-19 2009-04-02 Oerlikon Leybold Vacuum Gmbh vacuum pump
CN106704366B (en) * 2016-12-08 2019-02-15 广东工业大学 One kind is based on adaptively adjusting dynamically balanced electromagnetic spindles

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2039428C3 (en) * 1970-08-07 1975-10-02 Standard Elektrik Lorenz Ag, 7000 Stuttgart Low-speed DC motor in flat design
FR2159753A6 (en) * 1971-11-10 1973-06-22 Socrem
DE2349033C3 (en) * 1973-09-29 1984-08-30 Leybold-Heraeus Gmbh, 5000 Koeln Turbo molecular pump
DE2417818C2 (en) * 1974-04-11 1983-03-31 Teldix Gmbh, 6900 Heidelberg Electric machine
IT1034733B (en) * 1974-04-11 1979-10-10 Teldix Gmbh ELECTRIC MACHINE
CH583856A5 (en) * 1974-09-27 1977-01-14 Balzers Patent Beteilig Ag
DE2457783C2 (en) * 1974-12-06 1986-10-09 Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar Magnetic storage
LU71477A1 (en) * 1974-12-13 1975-06-17
US4086503A (en) * 1976-06-21 1978-04-25 Westinghouse Electric Corporation Control circuit initiating conduction of an opto-isolator unit
JPS6127257Y2 (en) * 1976-07-07 1986-08-14
FR2377549A1 (en) * 1977-01-12 1978-08-11 Europ Propulsion LARGE DIAMETER SHORT ROTOR MOUNTING
US4164691A (en) * 1977-03-03 1979-08-14 Victor Company Of Japan, Limited Multiphase brushless DC motor using two Hall-effect generators
DE2727534A1 (en) * 1977-06-18 1979-01-04 Papst Motoren Kg Control circuit for electronically commutated DC motor - has two input differential amplifier in mirror connection to detector voltage outputs of Mall generators
JPS5444707A (en) * 1977-09-14 1979-04-09 Sony Corp Dc brushless motor
JPS5565261A (en) * 1978-11-10 1980-05-16 Houtoku Kogyo Kk Preparation of carbon black utilizing waste tire
DE2935013A1 (en) * 1979-08-30 1981-04-02 Teldix Gmbh, 6900 Heidelberg Brushless DC motor with rapid braking - brakes rotor by closing transistor switches normally used for commutating stator windings
US4365187A (en) * 1980-05-15 1982-12-21 Rotron Incorporated Brushless D.C. motor
DE8034883U1 (en) * 1980-12-31 1981-08-13 Papst-Motoren Kg, 7742 St Georgen ELECTRONICALLY COMMUTED DC MOTOR
DE3113532A1 (en) * 1981-04-01 1982-11-04 Jai-Chun Dipl.-Ing. 1000 Berlin Chang Electrical machine

Also Published As

Publication number Publication date
GB2134326B (en) 1986-10-15
GB8401043D0 (en) 1984-02-15
IT8419024A0 (en) 1984-01-05
CH663066A5 (en) 1987-11-13
GB2134326A (en) 1984-08-08
FR2540191B1 (en) 1986-05-02
DE3302839A1 (en) 1984-08-02
FR2540191A1 (en) 1984-08-03
JPS59144333A (en) 1984-08-18

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