ATE15117T1 - Steuerungsschaltung fuer langsamen hochlauf mit automatischer schwelle fuer eine zentrifuge. - Google Patents

Steuerungsschaltung fuer langsamen hochlauf mit automatischer schwelle fuer eine zentrifuge.

Info

Publication number
ATE15117T1
ATE15117T1 AT82103937T AT82103937T ATE15117T1 AT E15117 T1 ATE15117 T1 AT E15117T1 AT 82103937 T AT82103937 T AT 82103937T AT 82103937 T AT82103937 T AT 82103937T AT E15117 T1 ATE15117 T1 AT E15117T1
Authority
AT
Austria
Prior art keywords
centrifuge
control circuit
speed control
slow speed
automatic threshold
Prior art date
Application number
AT82103937T
Other languages
English (en)
Inventor
David Watson Ginn
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of ATE15117T1 publication Critical patent/ATE15117T1/de

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
    • H02P1/24—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual AC commutator motor
    • 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
    • B04B9/10—Control of the drive; Speed regulating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/923—Specific feedback condition or device
    • Y10S388/933—Radiant energy responsive device

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Centrifugal Separators (AREA)
  • Motor And Converter Starters (AREA)
AT82103937T 1981-06-26 1982-05-06 Steuerungsschaltung fuer langsamen hochlauf mit automatischer schwelle fuer eine zentrifuge. ATE15117T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/277,875 US4390825A (en) 1981-06-26 1981-06-26 Auto-threshold slow start control circuit for a centrifuge
EP82103937A EP0068113B1 (de) 1981-06-26 1982-05-06 Steuerungsschaltung für langsamen Hochlauf mit automatischer Schwelle für eine Zentrifuge

Publications (1)

Publication Number Publication Date
ATE15117T1 true ATE15117T1 (de) 1985-09-15

Family

ID=23062741

Family Applications (1)

Application Number Title Priority Date Filing Date
AT82103937T ATE15117T1 (de) 1981-06-26 1982-05-06 Steuerungsschaltung fuer langsamen hochlauf mit automatischer schwelle fuer eine zentrifuge.

Country Status (8)

Country Link
US (1) US4390825A (de)
EP (1) EP0068113B1 (de)
JP (1) JPS589583A (de)
AT (1) ATE15117T1 (de)
CA (1) CA1174756A (de)
DE (1) DE3265576D1 (de)
DK (1) DK286182A (de)
GR (1) GR76160B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4828395A (en) * 1985-02-21 1989-05-09 Yamato Scientific Company, Limited Continuous flow type homogenizer
US4913555A (en) * 1987-01-14 1990-04-03 Sanyo Electric Co., Ltd. Whipping machine
US5235864A (en) * 1990-12-21 1993-08-17 E. I. Du Pont De Nemours And Company Centrifuge rotor identification system based on rotor velocity
US6057972A (en) * 1995-11-03 2000-05-02 International Business Machines Corporation Current source for a magnetoresistive head with variability and selectable slew rate
FR2841302B1 (fr) * 2002-06-20 2004-07-30 Alstom Switzerland Ltd Procede de demarrage d'une turbine hydraulique et installation hydroelectrique permettant la mise en oeuvre de ce procede
EP1889353A2 (de) * 2005-06-09 2008-02-20 Abhishek Singh Schaltsystem zur steuerung des startens eines elektromotors

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1521653A (fr) * 1967-03-07 1968-04-19 Representation Electr Soc Gen Procédé et dispositif réglable de régulation où la variation d'une tension alternative est fonction d'une variable
US3914671A (en) * 1969-09-23 1975-10-21 Cableform Ltd Control means for electric motors operated from batteries
GB1502594A (en) 1971-01-20 1978-03-01 Dornier Ag Electric drive unit for high-speed appliances for example gas ultra-centrifuges
DE2435504A1 (de) * 1974-07-24 1976-02-05 Elektro Heiz Und Regeltechnik Anlaufstrombegrenzung in drehzahlstellern fuer motoren
US3962616A (en) * 1974-09-06 1976-06-08 Electronic Memories And Magnetics Corporation Start-up control for DC motors
SU529847A1 (ru) 1974-10-02 1976-09-30 Специальное Конструкторское Бюро Биофизической Аппаратуры Устройство дл контрол скорости вращени ротора ультрацентрифуги
US3970245A (en) * 1975-05-21 1976-07-20 Dr. Molter Gmbh Universal centrifuge
DE2703284C2 (de) * 1977-01-27 1986-09-18 J. & J. Marquardt, 7201 Rietheim-Weilheim Sanftanlaufschaltung für Elektromotore
FR2395638A1 (fr) * 1977-06-20 1979-01-19 Cii Honeywell Bull Systeme de commande d'un moteur electrique a courant continu et a excitation independante et charge constante
JPS6031191B2 (ja) * 1978-04-26 1985-07-20 ファナック株式会社 直流電動機の制御方式
US4339697A (en) * 1980-05-13 1982-07-13 Westinghouse Electric Corp. Propulsion motor control apparatus and method

Also Published As

Publication number Publication date
EP0068113A1 (de) 1983-01-05
GR76160B (de) 1984-08-03
EP0068113B1 (de) 1985-08-21
DK286182A (da) 1982-12-27
JPS589583A (ja) 1983-01-19
DE3265576D1 (en) 1985-09-26
CA1174756A (en) 1984-09-18
US4390825A (en) 1983-06-28

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee