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
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—Unbalance detection devices
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.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH828481 | 1981-12-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8400822A1 true ES8400822A1 (es) | 1983-11-16 |
ES517774A0 ES517774A0 (es) | 1983-11-16 |
Family
ID=4337959
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES517774A Granted ES517774A0 (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) | ES517774A0 (es) |
NO (1) | NO156844C (es) |
Families Citing this family (19)
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 | 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 |
US6350224B1 (en) | 2000-07-17 | 2002-02-26 | Westinghouse Savannah River Company, Llc | Centrifugal unbalance detection system |
US6635007B2 (en) * | 2000-07-17 | 2003-10-21 | Thermo Iec, Inc. | Method and apparatus for detecting and controlling imbalance conditions in a centrifuge 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 |
GB2523474A (en) * | 2014-02-19 | 2015-08-26 | 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)
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 |
-
1982
- 1982-11-23 EP EP82110802A patent/EP0082956B1/de not_active Expired
- 1982-11-23 AT AT82110802T patent/ATE17928T1/de not_active IP Right Cessation
- 1982-11-23 DE DE8282110802T patent/DE3269101D1/de not_active Expired
- 1982-11-24 CA CA000416206A patent/CA1194709A/en not_active Expired
- 1982-11-29 ES ES517774A patent/ES517774A0/es active Granted
- 1982-12-16 US US06/450,217 patent/US4491019A/en not_active Expired - Fee Related
- 1982-12-20 AU AU91661/82A patent/AU542725B2/en not_active Ceased
- 1982-12-23 JP JP57235166A patent/JPS58118938A/ja active Pending
- 1982-12-23 DK DK571382A patent/DK571382A/da not_active Application Discontinuation
- 1982-12-23 NO NO824361A patent/NO156844C/no unknown
-
1986
- 1986-08-07 JP JP1986120434U patent/JPS6324424Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NO156844B (no) | 1987-08-24 |
DK571382A (da) | 1983-06-25 |
AU9166182A (en) | 1983-08-04 |
AU542725B2 (en) | 1985-03-07 |
NO156844C (no) | 1987-12-02 |
NO824361L (no) | 1983-06-27 |
US4491019A (en) | 1985-01-01 |
EP0082956B1 (de) | 1986-02-12 |
DE3269101D1 (en) | 1986-03-27 |
JPS6244232U (es) | 1987-03-17 |
EP0082956A1 (de) | 1983-07-06 |
ATE17928T1 (de) | 1986-02-15 |
CA1194709A (en) | 1985-10-08 |
JPS58118938A (ja) | 1983-07-15 |
JPS6324424Y2 (es) | 1988-07-05 |
ES517774A0 (es) | 1983-11-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20001009 |