ES8400822A1 - Perfeccionamientos en los dispositivos para detectar desequilibrio dinamico en centrifugas o similares. - Google Patents

Perfeccionamientos en los dispositivos para detectar desequilibrio dinamico en centrifugas o similares.

Info

Publication number
ES8400822A1
ES8400822A1 ES517774A ES517774A ES8400822A1 ES 8400822 A1 ES8400822 A1 ES 8400822A1 ES 517774 A ES517774 A ES 517774A ES 517774 A ES517774 A ES 517774A ES 8400822 A1 ES8400822 A1 ES 8400822A1
Authority
ES
Spain
Prior art keywords
contactless
balance measurement
annular member
gap
variations
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.)
Expired
Application number
ES517774A
Other languages
English (en)
Other versions
ES517774A0 (es
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.)
Kontron Holding AG
Original Assignee
Kontron Holding AG
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 by Kontron Holding AG filed Critical Kontron Holding AG
Publication of ES517774A0 publication Critical patent/ES517774A0/es
Publication of ES8400822A1 publication Critical patent/ES8400822A1/es
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
    • B04B9/14—Balancing rotary bowls ; Schrappers
    • B04B9/146—Imbalance detection devices

Landscapes

  • Testing Of Balance (AREA)
  • Centrifugal Separators (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Processing Of Solid Wastes (AREA)
  • Level Indicators Using A Float (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Optical Measuring Cells (AREA)

Abstract

DISPOSITIVO PARA DETECTAR DESEQUILIBRIO DINAMICO EN CENTRIFUGAS O SIMILARES, EN PARTICULAR EN ULTRACENTRIFUGAS.CONSTA DE UN SENSOR DE CAMPO MAGNETICO (6) QUE SE DISPONE SOBRE LA PARTE FIJA DE LA CENTRIFUGA Y A UNA DISTANCIA REDUCIDA DE LA CARA EXTREMA PLANA DE LA ALETA (3), SIENDO DICHO SENSOR DE TIPO DIFERENCIAL QUE INCORPORA DOS RESISTENCIAS DEPENDIENTES DE CAMPO MAGNETICO (7, 8) QUE ESTAN FIJADAS SOBRE UN IMAN PERMANENTE COMUN (9); Y DE UN CIRCUITO PUENTE (10) QUE PRODUCE UNA SEÑAL DE SALIDA POR MEDIO DE UN AMPLIFICADOR APROPIADO (11), UTILIZANDOSE DICHO CIRCUITOPUENTE PARA LA DETECCION DE LOS VALORES DE LA RESISTENCIA DE LA PLACA DE CAMPO.
ES517774A 1981-12-24 1982-11-29 Perfeccionamientos en los dispositivos para detectar desequilibrio dinamico en centrifugas o similares. Expired ES8400822A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH828481 1981-12-24

Publications (2)

Publication Number Publication Date
ES517774A0 ES517774A0 (es) 1983-11-16
ES8400822A1 true ES8400822A1 (es) 1983-11-16

Family

ID=4337959

Family Applications (1)

Application Number Title Priority Date Filing Date
ES517774A Expired ES8400822A1 (es) 1981-12-24 1982-11-29 Perfeccionamientos en los dispositivos para detectar desequilibrio dinamico en centrifugas o similares.

Country Status (10)

Country Link
US (1) US4491019A (es)
EP (1) EP0082956B1 (es)
JP (2) JPS58118938A (es)
AT (1) ATE17928T1 (es)
AU (1) AU542725B2 (es)
CA (1) CA1194709A (es)
DE (1) DE3269101D1 (es)
DK (1) DK571382A (es)
ES (1) ES8400822A1 (es)
NO (1) NO156844C (es)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4700117A (en) * 1985-05-31 1987-10-13 Beckman Instruments, Inc. Centrifuge overspeed protection and imbalance detection system
JPH0726669B2 (ja) * 1988-09-09 1995-03-29 日立工機株式会社 回転体の不つりあい検出方法
DE3935616C3 (de) * 1989-10-26 1998-12-24 Sigma Laborzentrifugen Gmbh Vorrichtung zur Überwachung des Betriebes einer Zentrifuge
JPH0418798U (es) * 1990-06-04 1992-02-17
DE4335119C2 (de) * 1993-10-15 1997-11-20 Eppendorf Geraetebau Gmbh Laborzentrifuge mit Unwuchtabschaltung
US5505684A (en) * 1994-08-10 1996-04-09 Piramoon Technologies, Inc. Centrifuge construction having central stator
JP3710001B2 (ja) * 1995-06-16 2005-10-26 日立工機株式会社 遠心分離機
DE19701551C1 (de) * 1997-01-17 1998-08-06 Fresenius Ag Einrichtung zum Detektieren einer Unwucht an einem Rotor einer Zentrifuge
DE29712121U1 (de) * 1997-07-10 1997-09-11 Sigma Laborzentrifugen Gmbh, 37520 Osterode Steuerungseinrichtung für eine Laborzentrifuge
US5800331A (en) * 1997-10-01 1998-09-01 Song; Jin Y. Imbalance detection and rotor identification system
JP3968960B2 (ja) * 1999-07-15 2007-08-29 日立工機株式会社 遠心機
US6635007B2 (en) * 2000-07-17 2003-10-21 Thermo Iec, Inc. Method and apparatus for detecting and controlling imbalance conditions in a centrifuge system
US6350224B1 (en) 2000-07-17 2002-02-26 Westinghouse Savannah River Company, Llc Centrifugal unbalance detection system
EP1455436A1 (fr) * 2003-03-05 2004-09-08 Ecole Polytechnique Fédérale de Lausanne (EPFL) Procédé et dispositif de traitement de signaux pour la détection de l'excentricité d'une machine synchrone
DE102005018041B3 (de) * 2005-04-19 2007-01-04 Hanning Elektro-Werke Gmbh & Co. Kg Antriebseinrichtung für eine Laborzentrifuge
DE102011102606A1 (de) 2011-05-27 2012-11-29 Ika-Werke Gmbh & Co. Kg Rührgerät mit einem Rührwerkzeug und mit einem Antriebsmotor
DE102012002891A1 (de) * 2012-02-14 2013-08-14 Hans Heidolph Gmbh & Co. Kg Laborgerät
US20150234011A1 (en) * 2014-02-19 2015-08-20 Vibrosystm Inc. Real time monitoring of rotor or stator shape change for rotating machines
DE102014116527B4 (de) * 2014-11-12 2020-01-23 Andreas Hettich Gmbh & Co. Kg Zentrifuge und Verfahren zur Erfassung von Unwuchten in der Zentrifuge

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB641732A (en) * 1947-09-05 1950-08-16 English Electric Co Ltd Improvements relating to eccentricity measuring instruments
BE571526A (fr) * 1957-10-02 1962-02-23 Licentia Gmbh Dispositif de mesure des mouvements axiaux de l'arbre d'une machine centrifuge, comprenant un organe de translation et un emetteur de la valeur de la translation.
FR1298343A (fr) * 1960-03-17 1962-07-13 Reactor Centrum Nederland Dispositif pour signaler, indiquer, enregistrer et influencer les mouvements de l'axe de rotation et la vitesse de rotation du rotor d'une centrifugeuse
CH516885A (de) * 1970-05-20 1971-12-15 Bbc Brown Boveri & Cie Elektrische Maschine mit einer Einrichtung zur Überwachung des Luftspaltes
US4028524A (en) * 1971-08-06 1977-06-07 The Singer Company Balancing system for a rotating mass
JPS51151568A (en) * 1975-06-20 1976-12-27 Ono Sokki Co Ltd Detector
JPS57192449U (es) * 1981-06-01 1982-12-06

Also Published As

Publication number Publication date
ATE17928T1 (de) 1986-02-15
US4491019A (en) 1985-01-01
JPS6244232U (es) 1987-03-17
ES517774A0 (es) 1983-11-16
CA1194709A (en) 1985-10-08
NO156844B (no) 1987-08-24
NO824361L (no) 1983-06-27
AU542725B2 (en) 1985-03-07
AU9166182A (en) 1983-08-04
EP0082956B1 (de) 1986-02-12
NO156844C (no) 1987-12-02
JPS58118938A (ja) 1983-07-15
DE3269101D1 (en) 1986-03-27
JPS6324424Y2 (es) 1988-07-05
DK571382A (da) 1983-06-25
EP0082956A1 (de) 1983-07-06

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20001009