JPH02136813U - - Google Patents

Info

Publication number
JPH02136813U
JPH02136813U JP4632489U JP4632489U JPH02136813U JP H02136813 U JPH02136813 U JP H02136813U JP 4632489 U JP4632489 U JP 4632489U JP 4632489 U JP4632489 U JP 4632489U JP H02136813 U JPH02136813 U JP H02136813U
Authority
JP
Japan
Prior art keywords
magnetic bearing
control type
bearing device
type magnetic
damping member
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
JP4632489U
Other languages
Japanese (ja)
Other versions
JPH0645698Y2 (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 JP1989046324U priority Critical patent/JPH0645698Y2/en
Publication of JPH02136813U publication Critical patent/JPH02136813U/ja
Application granted granted Critical
Publication of JPH0645698Y2 publication Critical patent/JPH0645698Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16C32/044—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)

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縦断面図であ
る。第１Ｂ図は第１Ａ図に示す線Ｂ−Ｂに沿
う横断面図である。第２Ａ図はこの考案の他の実
施例を示す要部断面図である。第２Ｂ図は第２Ａ
図の線Ｂ−Ｂに沿う横断面図である。 図において、１は回転軸、２はケース、３はロ
ータ、４，５，９，１２は永久磁石、６は反対型
磁気軸受、８はモータステータ、１０は永久磁石
ホルダ、１１はスラスト板、１３は電極石、１４
はスペーサ、１６はターゲツト、１７はアキシヤ
ル方向位置センサ、１９は鋼線、２０は弾性部材
、２１はＯリングを示す。 FIG. 1A is a longitudinal sectional view of one embodiment of this invention. FIG. 1B is a cross-sectional view taken along line BB shown in FIG. 1A. FIG. 2A is a sectional view of a main part showing another embodiment of this invention. Figure 2B is Figure 2A
FIG. 3 is a cross-sectional view along line B-B of the figure; In the figure, 1 is a rotating shaft, 2 is a case, 3 is a rotor, 4, 5, 9, 12 are permanent magnets, 6 is an opposite type magnetic bearing, 8 is a motor stator, 10 is a permanent magnet holder, 11 is a thrust plate, 13 is an electrode stone, 14
1 is a spacer, 16 is a target, 17 is an axial position sensor, 19 is a steel wire, 20 is an elastic member, and 21 is an O-ring.

Claims (1)

【実用新案登録請求の範囲】 (1) 永久磁石の反発力を利用したラジアル磁気
軸受と、軸方向磁気力が制御される制御式磁気軸
受によつて回転軸を軸支し、軸方向吸引力によつ
て生じるラジアル剛性を利用した１軸制御型磁気
軸受装置において、 少なくとも前記制御式磁気軸受の固定部を軸方
向に剛に支持するための支持部材と、 少なくとも前記制御式磁気軸受のラジアル方向
を支持する減衰部材とを備えた、磁気軸受装置。 (2) 前記減衰部材はケースと前記制御式磁気軸
受との固定部との間に挿入されるシリコンゴムを
含む、請求項１項記載の磁気軸受装置。 (3) 前記減衰部材はケースと前記制御式磁気軸
受の固定部との間に挿入されるＯリングを含み、 前記Ｏリングと前記固定部との間の接触面積を
変えることによつて締付け力を調整するようにし
た、請求項１項記載の磁気軸受装置。[Claims for Utility Model Registration] (1) The rotating shaft is supported by a radial magnetic bearing that utilizes the repulsive force of a permanent magnet and a control type magnetic bearing that controls the axial magnetic force, and the axial attractive force is A single-axis control type magnetic bearing device that utilizes radial rigidity generated by the control type magnetic bearing includes: a support member for rigidly supporting at least a fixed portion of the control type magnetic bearing in the axial direction; and at least a radial direction of the control type magnetic bearing. A magnetic bearing device, comprising: a damping member that supports the magnetic bearing device. (2) The magnetic bearing device according to claim 1, wherein the damping member includes silicone rubber inserted between a case and a fixing portion of the control type magnetic bearing. (3) The damping member includes an O-ring inserted between the case and the fixed part of the controlled magnetic bearing, and the tightening force is reduced by changing the contact area between the O-ring and the fixed part. The magnetic bearing device according to claim 1, wherein the magnetic bearing device is configured to adjust the magnetic bearing device.
JP1989046324U 1989-04-20 1989-04-20 1-axis control type magnetic bearing device Expired - Fee Related JPH0645698Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989046324U JPH0645698Y2 (en) 1989-04-20 1989-04-20 1-axis control type magnetic bearing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989046324U JPH0645698Y2 (en) 1989-04-20 1989-04-20 1-axis control type magnetic bearing device

Publications (2)

Publication Number Publication Date
JPH02136813U true JPH02136813U (en) 1990-11-15
JPH0645698Y2 JPH0645698Y2 (en) 1994-11-24

Family

ID=31561308

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989046324U Expired - Fee Related JPH0645698Y2 (en) 1989-04-20 1989-04-20 1-axis control type magnetic bearing device

Country Status (1)

Country Link
JP (1) JPH0645698Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5272046A (en) * 1975-12-10 1977-06-16 Hitachi Ltd Magnetic bearing
JPS5993995A (en) * 1982-10-23 1984-05-30 アルツ−ル・フアイフエル・ヴア−クウムテクニツク・ヴエツツラ−・ゲ−エムベ−ハ− Pump

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5272046A (en) * 1975-12-10 1977-06-16 Hitachi Ltd Magnetic bearing
JPS5993995A (en) * 1982-10-23 1984-05-30 アルツ−ル・フアイフエル・ヴア−クウムテクニツク・ヴエツツラ−・ゲ−エムベ−ハ− Pump

Also Published As

Publication number Publication date
JPH0645698Y2 (en) 1994-11-24

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees