JPH02150411U - - Google Patents

Info

Publication number
JPH02150411U
JPH02150411U JP1989057796U JP5779689U JPH02150411U JP H02150411 U JPH02150411 U JP H02150411U JP 1989057796 U JP1989057796 U JP 1989057796U JP 5779689 U JP5779689 U JP 5779689U JP H02150411 U JPH02150411 U JP H02150411U
Authority
JP
Japan
Prior art keywords
rotating shaft
bearing device
magnetic bearing
permanent magnet
permanent magnets
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
Application number
JP1989057796U
Other languages
Japanese (ja)
Other versions
JPH0614087Y2 (en
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 filed Critical
Priority to JP1989057796U priority Critical patent/JPH0614087Y2/en
Publication of JPH02150411U publication Critical patent/JPH02150411U/ja
Application granted granted Critical
Publication of JPH0614087Y2 publication Critical patent/JPH0614087Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F16C32/0408—Passive magnetic bearings
    • F16C32/0423—Passive magnetic bearings with permanent magnets on both parts repelling each other
    • F16C32/0425—Passive magnetic bearings with permanent magnets on both parts repelling each other for radial load mainly
    • 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
    • F16C2360/00—Engines or pumps
    • F16C2360/44—Centrifugal pumps
    • F16C2360/45—Turbo-molecular pumps

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１Ａ図はこの考案の一実施例の要部縦断面図
であり、第１Ｂ図は第１Ａ図に示す線Ｂ−Ｂ
に沿う横断面図である。第２図は従来の磁気軸受
装置の断面図である。 図において、１は回転軸、２はロータ、５，７
，１０，１２は永久磁石、２０はステータ、２１
，２２は非磁性材、２３は減衰部材、２４は〓間
、２５は溝を示す。 FIG. 1A is a vertical cross-sectional view of a main part of an embodiment of this invention, and FIG. 1B is a line BB shown in FIG. 1A.
FIG. FIG. 2 is a sectional view of a conventional magnetic bearing device. In the figure, 1 is the rotating shaft, 2 is the rotor, 5, 7
, 10, 12 are permanent magnets, 20 is a stator, 21
, 22 is a non-magnetic material, 23 is a damping member, 24 is a gap, and 25 is a groove.

Claims (1)

【実用新案登録請求の範囲】 軸方向に着磁された複数の永久磁石がロータ側
とステータ側とに設けられ、それぞれの永久磁石
による反発力によつて回転軸を支持する磁気軸受
装置において、 前記ステータ側の複数の永久磁石のうちの中央
部のみの永久磁石が半径方向に移動可能なように
〓間が形成されるとともに、軸方向に延びる複数
の溝が前記回転軸の周囲に分布するように形成さ
れたハウジング、および 前記ハウジングの前記溝に挿入される減衰部材
を備えた、磁気軸受装置。[Claims for Utility Model Registration] A magnetic bearing device in which a plurality of axially magnetized permanent magnets are provided on the rotor side and the stator side, and a rotating shaft is supported by the repulsive force of each permanent magnet, A gap is formed so that only the central permanent magnet of the plurality of permanent magnets on the stator side can move in the radial direction, and a plurality of grooves extending in the axial direction are distributed around the rotating shaft. A magnetic bearing device comprising: a housing formed as follows; and a damping member inserted into the groove of the housing.
JP1989057796U 1989-05-18 1989-05-18 Magnetic bearing device Expired - Lifetime JPH0614087Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989057796U JPH0614087Y2 (en) 1989-05-18 1989-05-18 Magnetic bearing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989057796U JPH0614087Y2 (en) 1989-05-18 1989-05-18 Magnetic bearing device

Publications (2)

Publication Number Publication Date
JPH02150411U true JPH02150411U (en) 1990-12-26
JPH0614087Y2 JPH0614087Y2 (en) 1994-04-13

Family

ID=31582831

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989057796U Expired - Lifetime JPH0614087Y2 (en) 1989-05-18 1989-05-18 Magnetic bearing device

Country Status (1)

Country Link
JP (1) JPH0614087Y2 (en)

Also Published As

Publication number Publication date
JPH0614087Y2 (en) 1994-04-13

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