FR2257815B1 - - Google Patents

Info

Publication number
FR2257815B1
FR2257815B1 FR7500806A FR7500806A FR2257815B1 FR 2257815 B1 FR2257815 B1 FR 2257815B1 FR 7500806 A FR7500806 A FR 7500806A FR 7500806 A FR7500806 A FR 7500806A FR 2257815 B1 FR2257815 B1 FR 2257815B1
Authority
FR
France
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
Application number
FR7500806A
Other languages
French (fr)
Other versions
FR2257815A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sperry Corp
Original Assignee
Sperry Rand Corp
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
Priority claimed from US05/433,431 external-priority patent/US4090745A/en
Priority claimed from US05/433,430 external-priority patent/US3976339A/en
Application filed by Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of FR2257815A1 publication Critical patent/FR2257815A1/fr
Application granted granted Critical
Publication of FR2257815B1 publication Critical patent/FR2257815B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/02—Rotary gyroscopes
    • G01C19/04—Details
    • G01C19/16—Suspensions; Bearings
    • G01C19/24—Suspensions; Bearings using magnetic or electrostatic fields
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/0152—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit
    • B60G17/0157—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit non-fluid unit, e.g. electric motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B13/00—Other railway systems
    • B61B13/08—Sliding or levitation systems
    • 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
    • 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
    • F16C32/0459—Details of the magnetic circuit
    • F16C32/0461—Details of the magnetic circuit of stationary parts of the magnetic circuit
    • F16C32/0465—Details of the magnetic circuit of stationary parts of the magnetic circuit with permanent magnets provided in the magnetic circuit of the electromagnets
    • 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
    • F16C32/0474—Active magnetic bearings for rotary movement
    • F16C32/0476—Active magnetic bearings for rotary movement with active support of one degree of freedom, e.g. axial 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
    • F16C2326/00—Articles relating to transporting
    • F16C2326/01—Parts of vehicles in general
    • F16C2326/05—Vehicle suspensions, e.g. bearings, pivots or connecting rods used therein
    • 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
    • F16C2326/00—Articles relating to transporting
    • F16C2326/10—Railway vehicles
    • 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
    • F16C2370/00—Apparatus relating to physics, e.g. instruments

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Transportation (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
FR7500806A 1974-01-14 1975-01-13 Expired FR2257815B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/433,431 US4090745A (en) 1974-01-14 1974-01-14 Magnetic suspension with magnetic stiffness augmentation
US05/433,430 US3976339A (en) 1974-01-14 1974-01-14 Magnetic suspension apparatus

Publications (2)

Publication Number Publication Date
FR2257815A1 FR2257815A1 (en) 1975-08-08
FR2257815B1 true FR2257815B1 (en) 1980-03-14

Family

ID=27029849

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7500806A Expired FR2257815B1 (en) 1974-01-14 1975-01-13

Country Status (4)

Country Link
DE (1) DE2501218A1 (en)
FR (1) FR2257815B1 (en)
GB (1) GB1485290A (en)
IT (1) IT1026323B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2444099C3 (en) * 1974-09-14 1979-04-12 Kernforschungsanlage Juelich Gmbh, 5170 Juelich Contactless bearing element for at least partially magnetizable bodies
US4154489A (en) * 1977-06-15 1979-05-15 Cambridge Thermionic Corporation Rate responsive control for magnetic suspension system
US4167296A (en) * 1977-12-30 1979-09-11 Sperry Rand Corporation Protective control system for magnetic suspension and magnetically suspended devices
FR2417797A1 (en) * 1978-02-20 1979-09-14 Europ Propulsion GRAIN COMPENSATION DEVICE OF A CURRENT FEEDBACK SLAVE CIRCUIT
FR2524090A1 (en) * 1982-03-26 1983-09-30 Aerospatiale MAGNETIC SUSPENSION DEVICE FOR INERTIA WHEEL
DE3240809C2 (en) * 1982-11-05 1994-02-03 Teldix Gmbh Magnetic bearings
JPS5989821A (en) * 1982-11-11 1984-05-24 Seiko Instr & Electronics Ltd Control-type magnetic bearing device
FR2612266B1 (en) * 1987-03-13 1989-07-13 Aerospatiale MAGNETIC BEARING FOR ACTIVE CENTERING, ACCORDING TO AT LEAST ONE AXIS, OF A MOBILE BODY ACCORDING TO ANOTHER BODY
DE3931661A1 (en) * 1989-08-25 1991-04-04 Leybold Ag MAGNETIC BEARING VACUUM PUMP
DE4020726A1 (en) * 1990-06-29 1992-01-02 Marinescu Geb Bikales Magnetic bearing for electric motor rotor shaft - has two axially adjacent annular coils and annular magnet separated by ring poles
JP5099954B2 (en) * 2000-06-08 2012-12-19 ブリヂストン アメリカズ タイヤ オペレイションズ エルエルシー Dynamic force measurement system for tire test station
CN1307373C (en) * 2004-12-30 2007-03-28 北京航空航天大学 Low-power consumption permanent magnetic offset mixed radial magnetic bearing
DE102007019766B3 (en) * 2007-04-25 2008-11-20 Siemens Ag Bearing device with a magnetically rotatably mounted relative to a stator about an axis shaft and a damping device
CN107546904B (en) * 2017-09-29 2023-11-21 珠海格力节能环保制冷技术研究中心有限公司 Magnetic bearing, compressor and processing method
CN110271366B (en) * 2019-05-20 2024-03-29 南京航空航天大学 Active magnetic suspension wheel
CN110670183B (en) * 2019-11-21 2024-04-02 扬州大学 Mixed magnetic suspension bearing for driving spindle of rotor ultra-high speed motor
CN112727924A (en) * 2021-01-25 2021-04-30 珠海格力电器股份有限公司 Magnetic suspension bearing, magnetic suspension motor and compressor
CN112780677A (en) * 2021-03-15 2021-05-11 核工业理化工程研究院 Magnetic bearing device with adjustable supporting rigidity
CN115388091B (en) * 2022-08-24 2024-05-24 电子科技大学 Aerostatic bearing system device with good stability

Also Published As

Publication number Publication date
IT1026323B (en) 1978-09-20
GB1485290A (en) 1977-09-08
FR2257815A1 (en) 1975-08-08
DE2501218A1 (en) 1975-07-17

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse