NO119052B - - Google Patents

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Publication number
NO119052B
NO119052B NO157833A NO15783365A NO119052B NO 119052 B NO119052 B NO 119052B NO 157833 A NO157833 A NO 157833A NO 15783365 A NO15783365 A NO 15783365A NO 119052 B NO119052 B NO 119052B
Authority
NO
Norway
Prior art keywords
edges
screw
threads
tip
hoop
Prior art date
Application number
NO157833A
Other languages
English (en)
Norwegian (no)
Inventor
W Coulter
W Hogg
Original Assignee
Coulter Electronics
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 Coulter Electronics filed Critical Coulter Electronics
Priority to NO36568A priority Critical patent/NO124391B/no
Publication of NO119052B publication Critical patent/NO119052B/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/4238—With cleaner, lubrication added to fluid or liquid sealing at valve interface
    • Y10T137/4245—Cleaning or steam sterilizing
    • Y10T137/4259—With separate material addition

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Clamps And Clips (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
NO157833A 1964-05-01 1965-04-26 NO119052B (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NO36568A NO124391B (ro) 1964-05-01 1968-01-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US364070A US3259891A (en) 1964-05-01 1964-05-01 Debris alarm

Publications (1)

Publication Number Publication Date
NO119052B true NO119052B (ro) 1970-03-16

Family

ID=23432876

Family Applications (1)

Application Number Title Priority Date Filing Date
NO157833A NO119052B (ro) 1964-05-01 1965-04-26

Country Status (7)

Country Link
US (1) US3259891A (ro)
CH (1) CH422391A (ro)
DE (1) DE1291544B (ro)
GB (1) GB1061776A (ro)
NL (2) NL6505468A (ro)
NO (1) NO119052B (ro)
SE (1) SE301732B (ro)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3395344A (en) * 1964-11-25 1968-07-30 Coulter Electronics Particle studying apparatus with selfclearing scanner element
US3354386A (en) * 1966-11-16 1967-11-21 United Aircraft Corp Apparatus for detecting discontinuities in insulated conductors including capacitively coupled schmitt trigger means
CH538787A (de) * 1971-11-09 1973-06-30 Contraves Ag Verfahren und Einrichtung zur Erzeugung einer Grösse, die der mittleren Impulsscheitelhöhe einer Vielzahl von Eingangsimpulsen proportional ist
US3963984A (en) * 1974-11-04 1976-06-15 Coulter Electronics, Inc. Method and system for cleaning an aperture in a particle study device
US4180091A (en) * 1977-11-18 1979-12-25 Becton, Dickinson And Company Purging means for aperture of blood cell counter
US4270564A (en) * 1978-07-24 1981-06-02 Liston Scientific Corp. Purging system
US4302754A (en) * 1979-02-12 1981-11-24 Technical Development Co. Wear particle disintegrator monitor
FR2472183B1 (fr) * 1979-12-12 1986-03-07 Coulter Electronics Procede de nettoyage d'une ouverture pour un dispositif d'etude de particules et appareil pour la mise en oeuvre de ce procede
US4450435A (en) * 1981-11-30 1984-05-22 Bobby Dencil James Analog debris alarm
US4564803A (en) * 1983-08-29 1986-01-14 Coulter Corporation Method and apparatus for removing foreign matter from a flow cell of a particle study device
US4598280A (en) * 1984-08-20 1986-07-01 The United States Of America As Represented By The Secretary Of The Army Electric chip detector
US4775833A (en) * 1986-10-03 1988-10-04 Coulter Electronics, Inc. Lodged debris detector for a particle analyzer
GB9624096D0 (en) * 1996-11-20 1997-01-08 Microbial Systems Ltd Apparatus and method of use thereof
GB2337600B (en) * 1996-11-20 2000-08-16 Microbial Systems Ltd Particle sizing apparatus
US6418802B1 (en) * 1996-11-21 2002-07-16 Michael Anthony Wood Particle sizing apparatus and method of use thereof
GB9810493D0 (en) * 1998-05-16 1998-07-15 Microbial Systems Ltd Particle detector system
AU2005218076B2 (en) 2004-03-04 2010-11-04 Novelis Inc. Electrode configuration for LiMCA
US7968052B2 (en) * 2005-09-22 2011-06-28 Chempaq A/S Detection and subsequent removal of an aperture blockage
US8146407B2 (en) * 2008-06-20 2012-04-03 Beckman Coulter, Inc. Particle counter with electronic detection of aperture blockage
US8199023B2 (en) * 2008-10-15 2012-06-12 Alcoa Inc. Systems, methods and apparatus for tapping a metal electrolysis cell
US20130234053A1 (en) * 2010-05-05 2013-09-12 Beckman Coulter Biomedical, Llc. Diagnostic instrument and flow process

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR807782A (fr) * 1935-07-11 1937-01-21 Lorenz C Ag Appareil de basculage destiné en particulier aux installations de télévision
US2475063A (en) * 1944-02-24 1949-07-05 Rca Corp Regulated high-voltage apparatus
US2437876A (en) * 1945-07-09 1948-03-16 Nasa Signal receiver and warning device
DE1134223B (de) * 1957-05-08 1962-08-02 Evans Electroselenium Ltd Verfahren und Vorrichtung zum Zaehlen kleiner Teilchen, z. B. Blutkoerperchen
US2988708A (en) * 1957-07-10 1961-06-13 Mosler Res Products Inc Transistor relaxation oscillator
DE1698203B2 (de) * 1961-04-06 1973-04-19 Amplitudendiskriminator fuer ein teilchenanalysiergeraet
US3165692A (en) * 1961-05-15 1965-01-12 Technicon Instr Continuously operable apparatus and method for counting particles in successive portions of a flowing fluid stream

Also Published As

Publication number Publication date
NL151184B (nl) 1976-10-15
US3259891A (en) 1966-07-05
CH422391A (fr) 1966-10-15
NL6505468A (ro) 1965-11-02
SE301732B (ro) 1968-06-17
GB1061776A (en) 1967-03-15
NL7206329A (ro) 1972-07-25
DE1291544B (de) 1969-03-27

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