US3699287A - System for detecting excessive centrifuge rotor oscillations - Google Patents

System for detecting excessive centrifuge rotor oscillations Download PDF

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Publication number
US3699287A
US3699287A US138077A US3699287DA US3699287A US 3699287 A US3699287 A US 3699287A US 138077 A US138077 A US 138077A US 3699287D A US3699287D A US 3699287DA US 3699287 A US3699287 A US 3699287A
Authority
US
United States
Prior art keywords
rotor
actuating device
centrifuge
wide
driving means
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 - Lifetime
Application number
US138077A
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English (en)
Inventor
Lawrence E Stahl
Lee Gropper
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.)
Beckman Coulter Inc
Original Assignee
Beckman Instruments Inc
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 Beckman Instruments Inc filed Critical Beckman Instruments Inc
Application granted granted Critical
Publication of US3699287A publication Critical patent/US3699287A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/14—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch
    • H01H35/144—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch operated by vibration

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  • Centrifugal Separators (AREA)
US138077A 1971-04-28 1971-04-28 System for detecting excessive centrifuge rotor oscillations Expired - Lifetime US3699287A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13807771A 1971-04-28 1971-04-28

Publications (1)

Publication Number Publication Date
US3699287A true US3699287A (en) 1972-10-17

Family

ID=22480327

Family Applications (1)

Application Number Title Priority Date Filing Date
US138077A Expired - Lifetime US3699287A (en) 1971-04-28 1971-04-28 System for detecting excessive centrifuge rotor oscillations

Country Status (7)

Country Link
US (1) US3699287A (fr)
CA (1) CA938264A (fr)
CH (1) CH540720A (fr)
DE (1) DE2220305A1 (fr)
FR (1) FR2135934A5 (fr)
GB (1) GB1347941A (fr)
ZA (1) ZA721114B (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214179A (en) * 1979-03-15 1980-07-22 Beckman Instruments, Inc. Rotor imbalance detector for a centrifuge
US4890947A (en) * 1988-10-26 1990-01-02 E. I. Du Pont De Nemours And Company Mounting adapter having locking taper removal arrangement
US6350224B1 (en) * 2000-07-17 2002-02-26 Westinghouse Savannah River Company, Llc Centrifugal unbalance detection system
US20050079064A1 (en) * 2003-10-09 2005-04-14 Takahiro Shimizu Centrifuge
US20060166801A1 (en) * 2005-01-24 2006-07-27 Hiroyuki Takahashi Centrifugal separator
US7500942B2 (en) 2005-01-24 2009-03-10 Hitachi Koki Co, Ltd. Centrifugal separator with door lock safety device
US20090170683A1 (en) * 2007-10-31 2009-07-02 Hitachi Koki Co., Ltd. Centrifuge
US10337943B2 (en) * 2014-11-12 2019-07-02 Andreas Hettich Gmbh & Co. Kg Centrifuge and method for sensing imbalances in the centrifuge

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2666572A (en) * 1950-05-09 1954-01-19 Specialized Instr Corp Centrifuge apparatus
US2895023A (en) * 1958-06-20 1959-07-14 Sorvall Inc Ivan Centrifuge deviation sensing switching mechanism
US3527904A (en) * 1969-05-21 1970-09-08 Gen Electric Unbalance control means for clothes treating apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2666572A (en) * 1950-05-09 1954-01-19 Specialized Instr Corp Centrifuge apparatus
US2895023A (en) * 1958-06-20 1959-07-14 Sorvall Inc Ivan Centrifuge deviation sensing switching mechanism
US3527904A (en) * 1969-05-21 1970-09-08 Gen Electric Unbalance control means for clothes treating apparatus

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214179A (en) * 1979-03-15 1980-07-22 Beckman Instruments, Inc. Rotor imbalance detector for a centrifuge
US4890947A (en) * 1988-10-26 1990-01-02 E. I. Du Pont De Nemours And Company Mounting adapter having locking taper removal arrangement
US6350224B1 (en) * 2000-07-17 2002-02-26 Westinghouse Savannah River Company, Llc Centrifugal unbalance detection system
US20050079064A1 (en) * 2003-10-09 2005-04-14 Takahiro Shimizu Centrifuge
US7255669B2 (en) * 2003-10-09 2007-08-14 Hitachi Koki Co., Ltd. Centrifuge with imbalance detector
US20060166801A1 (en) * 2005-01-24 2006-07-27 Hiroyuki Takahashi Centrifugal separator
US7288060B2 (en) * 2005-01-24 2007-10-30 Hitachi Koki Co., Ltd. Centrifugal separator
US7500942B2 (en) 2005-01-24 2009-03-10 Hitachi Koki Co, Ltd. Centrifugal separator with door lock safety device
US20090170683A1 (en) * 2007-10-31 2009-07-02 Hitachi Koki Co., Ltd. Centrifuge
US8262551B2 (en) * 2007-10-31 2012-09-11 Hitachi Koki Co., Ltd. Centrifuge having displacement sensor
US10337943B2 (en) * 2014-11-12 2019-07-02 Andreas Hettich Gmbh & Co. Kg Centrifuge and method for sensing imbalances in the centrifuge

Also Published As

Publication number Publication date
CA938264A (en) 1973-12-11
ZA721114B (en) 1972-10-25
FR2135934A5 (fr) 1972-12-22
CH540720A (fr) 1973-08-31
DE2220305A1 (de) 1972-11-09
GB1347941A (en) 1974-02-27

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