JPH0296018U - - Google Patents

Info

Publication number
JPH0296018U
JPH0296018U JP1989005898U JP589889U JPH0296018U JP H0296018 U JPH0296018 U JP H0296018U JP 1989005898 U JP1989005898 U JP 1989005898U JP 589889 U JP589889 U JP 589889U JP H0296018 U JPH0296018 U JP H0296018U
Authority
JP
Japan
Prior art keywords
housing
rotating body
magnet
fixed
magnetic bearing
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.)
Pending
Application number
JP1989005898U
Other languages
Japanese (ja)
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 JP1989005898U priority Critical patent/JPH0296018U/ja
Publication of JPH0296018U publication Critical patent/JPH0296018U/ja
Pending 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
    • F16C37/00—Cooling of bearings
    • F16C37/005—Cooling of bearings of 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
    • F16C32/0429—Passive magnetic bearings with permanent magnets on both parts repelling each other for both radial and axial load, e.g. conical magnets
    • 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
    • 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
    • F16C2360/23—Gas turbine engines
    • F16C2360/24—Turbochargers

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１図は第一の考案の実施例である磁気軸受を
示す正面断面図である。第２図は上記磁気軸受に
より支持される回転体を示す斜視図であり、第３
図は上記磁気軸受のハウジングを示す斜視図であ
る。第４図は第二の考案の実施例である磁気軸受
を示す正面断面図であり、第５図は回転体を示す
斜視図である。 １０……回転体、１２，１４……軸、１６，１
８……第一磁石、２４……羽根、２６……気体出
口、３０……ハウジング、３６，３８……第二磁
石、４０，４２……内周面、４４，４６……外周
面、４８……排気孔、５４……回転体、５６，５
８……第一磁石、６０……軸部、６２……磁石取
付部、７０……羽根。 FIG. 1 is a front sectional view showing a magnetic bearing which is an embodiment of the first invention. FIG. 2 is a perspective view showing a rotating body supported by the magnetic bearing, and FIG.
The figure is a perspective view showing the housing of the magnetic bearing. FIG. 4 is a front sectional view showing a magnetic bearing as an embodiment of the second invention, and FIG. 5 is a perspective view showing a rotating body. 10... Rotating body, 12, 14... Axis, 16, 1
8...First magnet, 24...Blade, 26...Gas outlet, 30...Housing, 36, 38...Second magnet, 40, 42...Inner peripheral surface, 44, 46...Outer peripheral surface, 48 ...Exhaust hole, 54...Rotating body, 56,5
8...First magnet, 60...Shaft portion, 62...Magnet mounting portion, 70...Blade.

Claims (1)

【実用新案登録請求の範囲】 (1) 一直線まわりに回転させられる回転体に同
心に固設された円環状の第一磁石と、 前記回転体の前記第一磁石が固定された部分お
よびその近傍を隙間を隔てて覆うハウジングと、 そのハウジングに前記第一磁石と同心にかつそ
の第一磁石と対向して固設され、かつ、その対向
面が第一磁石のハウジングに対向する対向面と同
極である円環状の第二磁石と を備えた磁気軸受において、 前記回転体の前記ハウジングにより覆われる部
分の外周に複数の羽根を設ける一方、ハウジング
に回転体の回転に伴つてそれら羽根により送られ
る気体を排出する排気孔を設けたことを特徴とす
る冷却機能を備えた磁気軸受。 (2) 前記回転体を中空とし、その回転体の周壁
の前記複数の羽根の間の部分にそれぞれ周壁を貫
通する気体出口を設ける一方、その気体出口から
軸方向に離れた部分に気体入口を設けたことを特
徴とする請求項１記載の冷却機能を備えた磁気軸
受。[Claims for Utility Model Registration] (1) An annular first magnet fixed concentrically to a rotating body that rotates around a straight line, and a portion of the rotating body to which the first magnet is fixed and the vicinity thereof a housing that covers the housing with a gap therebetween; and a housing that is fixed to the housing concentrically with and facing the first magnet, and whose facing surface is the same as the facing surface of the first magnet that faces the housing. a second annular magnet serving as a pole; a plurality of blades are provided on the outer periphery of a portion of the rotating body covered by the housing; A magnetic bearing with a cooling function characterized by having an exhaust hole for discharging gas. (2) The rotating body is hollow, and gas outlets penetrating the circumferential wall are provided at portions of the circumferential wall of the rotating body between the plurality of blades, and gas inlets are provided at portions axially away from the gas outlets. 2. A magnetic bearing with a cooling function according to claim 1.
JP1989005898U 1989-01-20 1989-01-20 Pending JPH0296018U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989005898U JPH0296018U (en) 1989-01-20 1989-01-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989005898U JPH0296018U (en) 1989-01-20 1989-01-20

Publications (1)

Publication Number Publication Date
JPH0296018U true JPH0296018U (en) 1990-07-31

Family

ID=31209671

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989005898U Pending JPH0296018U (en) 1989-01-20 1989-01-20

Country Status (1)

Country Link
JP (1) JPH0296018U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006112132A1 (en) * 2005-04-14 2006-10-26 Arrow Electronics Ind. Co., Ltd. Rotating light
EP2808571A1 (en) * 2013-05-27 2014-12-03 Nuovo Pignone S.r.l. Electro-magnetic bearing assembly with inner ventilation to cool the bearing

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006112132A1 (en) * 2005-04-14 2006-10-26 Arrow Electronics Ind. Co., Ltd. Rotating light
EP2808571A1 (en) * 2013-05-27 2014-12-03 Nuovo Pignone S.r.l. Electro-magnetic bearing assembly with inner ventilation to cool the bearing
WO2014191311A1 (en) * 2013-05-27 2014-12-04 Nuovo Pignone Srl Electro-magnetic bearing assembly with inner ventilation to cool the bearing
US10119572B2 (en) 2013-05-27 2018-11-06 Nuovo Pignone Srl Electro-magnetic bearing assembly with inner ventilation to cool the bearing

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