JPH0473665U - - Google Patents

Info

Publication number
JPH0473665U
JPH0473665U JP11642190U JP11642190U JPH0473665U JP H0473665 U JPH0473665 U JP H0473665U JP 11642190 U JP11642190 U JP 11642190U JP 11642190 U JP11642190 U JP 11642190U JP H0473665 U JPH0473665 U JP H0473665U
Authority
JP
Japan
Prior art keywords
seal ring
rotating shaft
pressure chamber
electromagnets
face
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
JP11642190U
Other languages
Japanese (ja)
Other versions
JP2510398Y2 (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 JP11642190U priority Critical patent/JP2510398Y2/en
Publication of JPH0473665U publication Critical patent/JPH0473665U/ja
Application granted granted Critical
Publication of JP2510398Y2 publication Critical patent/JP2510398Y2/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
    • F16C32/044—Active magnetic bearings
    • F16C32/0474—Active magnetic bearings for rotary movement
    • F16C32/048—Active magnetic bearings for rotary movement with active support of two degrees of freedom, e.g. radial magnetic bearings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)

Description

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

第１図は本考案に係るラビリンスシール装置の
一実施例の部分的な断面図、第２図は第１図の軸
方向に沿う断面図、第３図は本考案のラビリンス
シール装置に使用される制御装置の一例を示した
系統図、第４図は従来のラビリンスシール装置を
示した断面図である。 １……回転軸、２……ケーシング、３……シー
ルリング、４……シールフイン、１２……電磁石
、１４……コイル、１６……変位計、２１，２５
……増幅器、２２，２４……信号処理器、２３…
…基準信号発生器。 FIG. 1 is a partial cross-sectional view of an embodiment of the labyrinth seal device according to the present invention, FIG. 2 is a cross-sectional view along the axial direction of FIG. 1, and FIG. FIG. 4 is a sectional view showing a conventional labyrinth seal device. 1... Rotating shaft, 2... Casing, 3... Seal ring, 4... Seal fin, 12... Electromagnet, 14... Coil, 16... Displacement meter, 21, 25
...Amplifier, 22, 24...Signal processor, 23...
...Reference signal generator.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 回転軸に沿つた高圧室と低圧室との間を、この
回転軸を取り囲むように設けられた複数のフイン
を有するシールリングによつてシールするラビリ
ンスシール装置において、前記シールリングを保
持するケーシングに前記シールリングの外周に沿
つて相対向するように設けた複数の電磁石と、前
記シールリングに前記回転軸へ向けて相対向する
ように設けられ、前記シールリングと前記回転軸
との半径方向隙間を計測するための複数の変位計
と、この変位計からの信号によつて前記電磁石へ
流す電流を制御して前記シールリングと前記回転
軸との半径方向隙間を所定量に保持させるように
する制御装置とから成るラビリンスシール装置。 In a labyrinth seal device that seals between a high pressure chamber and a low pressure chamber along a rotating shaft by a seal ring having a plurality of fins surrounding the rotating shaft, a casing that holds the seal ring is provided. a plurality of electromagnets provided to face each other along the outer periphery of the seal ring; and a radial gap between the seal ring and the rotating shaft, the electromagnets being provided on the seal ring to face each other toward the rotating shaft. a plurality of displacement meters for measuring the displacement, and a current flowing to the electromagnet is controlled by signals from the displacement meters to maintain a radial gap between the seal ring and the rotating shaft at a predetermined amount. A labyrinth seal device consisting of a control device.
JP11642190U 1990-11-06 1990-11-06 Labyrinth seal device Expired - Lifetime JP2510398Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11642190U JP2510398Y2 (en) 1990-11-06 1990-11-06 Labyrinth seal device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11642190U JP2510398Y2 (en) 1990-11-06 1990-11-06 Labyrinth seal device

Publications (2)

Publication Number Publication Date
JPH0473665U true JPH0473665U (en) 1992-06-29
JP2510398Y2 JP2510398Y2 (en) 1996-09-11

Family

ID=31864246

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11642190U Expired - Lifetime JP2510398Y2 (en) 1990-11-06 1990-11-06 Labyrinth seal device

Country Status (1)

Country Link
JP (1) JP2510398Y2 (en)

Also Published As

Publication number Publication date
JP2510398Y2 (en) 1996-09-11

Similar Documents

Publication Publication Date Title
JPH01163213U (en)
PT84789A (en) IMPROVEMENTS IN THE ROTORSINDUITS OF ELECTROMAGNETIC RETRACTORS
JPS6238055Y2 (en)
JPH0216867U (en)
JPS59191467U (en) Labyrinth Spatskin
JPH0183990U (en)
JPS6021598U (en) centrifugal pump
JPS58187658U (en) Magnetic fluid seal device
JP2510398Y2 (en) Labyrinth seal device
JPS5915251Y2 (en) Flat motor
JPH029325U (en)
JPS633570U (en)
JPS60104720U (en) electromagnetic flowmeter detector
JPS6364938U (en)
JPS6189107U (en)
JPS61170772U (en)
JPS6058497U (en) Stern tube sealing device
JPS6097461U (en) Stern tube sealing device
JPS54107314A (en) Magnetic head
JPS60159801U (en) axial flow rotating machine
JPS5897356U (en) Mechanical seal for high speed and high pressure
JPH0182372U (en)
JPS6052469U (en) Magnetic fluid seal device
JPH01140071U (en)
JPS5976701U (en) steam turbine