BE617692A - Compteur à particules - Google Patents

Compteur à particules

Info

Publication number
BE617692A
BE617692A BE617692A BE617692A BE617692A BE 617692 A BE617692 A BE 617692A BE 617692 A BE617692 A BE 617692A BE 617692 A BE617692 A BE 617692A BE 617692 A BE617692 A BE 617692A
Authority
BE
Belgium
Prior art keywords
particle counter
counter
particle
Prior art date
Application number
BE617692A
Other languages
English (en)
Inventor
Jack Isreeli
Theodore Bilichniansky
Original Assignee
Technicon Instr
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 Technicon Instr filed Critical Technicon Instr
Publication of BE617692A publication Critical patent/BE617692A/fr

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

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)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
BE617692A 1961-05-15 1962-05-15 Compteur à particules BE617692A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US116907A US3165692A (en) 1961-05-15 1961-05-15 Continuously operable apparatus and method for counting particles in successive portions of a flowing fluid stream
US175172A US3165693A (en) 1961-05-15 1962-02-23 Continuously operable apparatus and method for counting particles in successive portions of a flowing fluid stream

Publications (1)

Publication Number Publication Date
BE617692A true BE617692A (fr) 1962-11-16

Family

ID=26814745

Family Applications (1)

Application Number Title Priority Date Filing Date
BE617692A BE617692A (fr) 1961-05-15 1962-05-15 Compteur à particules

Country Status (5)

Country Link
US (2) US3165692A (fr)
BE (1) BE617692A (fr)
CH (1) CH415114A (fr)
DE (1) DE1214905B (fr)
GB (1) GB986978A (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3520316A (en) * 1963-12-12 1970-07-14 Bowles Eng Corp Pressure-to-pressure transducer
NL137000C (fr) * 1964-03-26
US3259891A (en) * 1964-05-01 1966-07-05 Coulter Electronics Debris alarm
US3804593A (en) * 1964-05-25 1974-04-16 Technicon Instr Automatic analysis apparatus and method
US3395343A (en) * 1964-07-21 1968-07-30 Coulter Electronics Electronic particle study apparatus and vessel construction therefor
US3340470A (en) * 1964-09-23 1967-09-05 Coulter Electronics Flow-through sample apparatus for use with electrical particle study device
US3502972A (en) * 1965-03-08 1970-03-24 Robert H Berg Continuous flow particle size analyser apparatus having suspension level maintaining means
US3523733A (en) * 1966-01-05 1970-08-11 Technicon Corp Method and apparatus for particle counting
US3340471A (en) * 1966-08-22 1967-09-05 Coulter Electronics Flow-through sample apparatus for use with electrical particle study device
US3479141A (en) * 1967-05-17 1969-11-18 Technicon Corp Method and apparatus for analysis
CH497003A (de) * 1968-04-05 1970-09-30 Contraves Ag Teilchenzählvorrichtung
CH481431A (de) * 1968-04-05 1969-11-15 Contraves Ag Teilchenzähler
US3539919A (en) * 1968-04-25 1970-11-10 Coulter Electronics Method for making glass aperture tube and product produced thereby
US3529239A (en) * 1968-09-27 1970-09-15 Coulter Electronics Electrode arrangement for a particle measuring apparatus
US3648158A (en) * 1970-06-01 1972-03-07 Contraves Ag Conductivity cell for particle counting system
US3768084A (en) * 1972-07-14 1973-10-23 Becton Dickinson Co Particle counter having a clog and bubble alarm
US3890569A (en) * 1972-08-10 1975-06-17 Coulter Electronics Particle study device
US3859012A (en) * 1972-08-10 1975-01-07 Coulter Electronics Fluid ejecting mechanism
US3973196A (en) * 1974-05-24 1976-08-03 Coulter Electronics, Inc. Method and apparatus for ejecting a metered amount of particulate sample
US4157498A (en) * 1977-08-01 1979-06-05 Miles Laboratories, Inc. Flow-through type particle analyzing apparatus
US4283262A (en) * 1980-07-01 1981-08-11 Instrumentation Laboratory Inc. Analysis system
SE507956C2 (sv) * 1996-11-20 1998-08-03 Medonic Ab Utspädnings- och mätanordning för partikelräkning

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US993586A (en) * 1908-09-11 1911-05-30 William Pollard Digby Method and apparatus for determining the amount of impurities in fluids.
US2181866A (en) * 1937-05-26 1939-12-05 B D Eisendrath Tanning Co Hydrogen ion meter
US2325695A (en) * 1941-08-22 1943-08-03 Universal Oil Prod Co Fluid meter
US2414411A (en) * 1941-09-25 1947-01-14 Wallace & Tiernan Inc Detection of oxidizing or reducing substances by electrode depolarization
US2621012A (en) * 1947-12-22 1952-12-09 Clifford P Graham Plug-type valve
US2656508A (en) * 1949-08-27 1953-10-20 Wallace H Coulter Means for counting particles suspended in a fluid
US2769140A (en) * 1952-03-26 1956-10-30 West Virginia Pulp & Paper Co Means for measuring electrical conductivity of liquids
US2709781A (en) * 1952-06-20 1955-05-31 American Chem Paint Co Instrument for determining the electrical conductance of liquids
US3050665A (en) * 1955-07-13 1962-08-21 Ray M Hurd Electrolytic product cell
BE562451A (fr) * 1956-05-09

Also Published As

Publication number Publication date
DE1214905B (de) 1966-04-21
GB986978A (en) 1965-03-24
US3165693A (en) 1965-01-12
US3165692A (en) 1965-01-12
CH415114A (de) 1966-06-15

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