LU79706A1 - Appareil de dosage de substances etrangeres dans l'air - Google Patents

Appareil de dosage de substances etrangeres dans l'air

Info

Publication number
LU79706A1
LU79706A1 LU79706A LU79706A LU79706A1 LU 79706 A1 LU79706 A1 LU 79706A1 LU 79706 A LU79706 A LU 79706A LU 79706 A LU79706 A LU 79706A LU 79706 A1 LU79706 A1 LU 79706A1
Authority
LU
Luxembourg
Prior art keywords
equipment
air
foreign substances
measuring foreign
measuring
Prior art date
Application number
LU79706A
Other languages
English (en)
Inventor
W Baker
D Clark
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
Publication of LU79706A1 publication Critical patent/LU79706A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
    • G01N1/2205—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with filters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/24—Suction devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
    • G01N2001/222—Other features
    • G01N2001/2223—Other features aerosol sampling devices

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Measurement Of Radiation (AREA)
  • Flow Control (AREA)
  • Measuring Volume Flow (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Measuring Fluid Pressure (AREA)
LU79706A 1977-05-25 1978-05-25 Appareil de dosage de substances etrangeres dans l'air LU79706A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/800,430 US4123932A (en) 1977-05-25 1977-05-25 Dosimeter for monitoring working areas

Publications (1)

Publication Number Publication Date
LU79706A1 true LU79706A1 (fr) 1979-02-02

Family

ID=25178363

Family Applications (1)

Application Number Title Priority Date Filing Date
LU79706A LU79706A1 (fr) 1977-05-25 1978-05-25 Appareil de dosage de substances etrangeres dans l'air

Country Status (11)

Country Link
US (1) US4123932A (fr)
JP (1) JPS53146683A (fr)
AT (1) AT377858B (fr)
AU (1) AU517663B2 (fr)
BR (1) BR7803323A (fr)
CA (1) CA1062498A (fr)
CH (1) CH632843A5 (fr)
DE (1) DE2822697C2 (fr)
FR (1) FR2396281A1 (fr)
GB (1) GB1589912A (fr)
LU (1) LU79706A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4257746A (en) * 1978-10-02 1981-03-24 E. I. Du Pont De Nemours And Company Dosimeter having a low air flow rate
US4269059A (en) * 1979-03-19 1981-05-26 E. I. Du Pont De Nemours And Company Dosimeter having constant flow pump
US4277259A (en) * 1980-02-11 1981-07-07 Thermo Electron Corporation Air-sampling cartridge
EP0040928B1 (fr) * 1980-05-14 1984-09-19 ROTHEROE & MITCHELL LIMITED Appareil pour prélever des échantillons de gaz
US4384825A (en) * 1980-10-31 1983-05-24 The Bendix Corporation Personal sampling pump
US4381681A (en) * 1980-12-08 1983-05-03 The United States Of America As Represented By The Administrator Of The Environmental Protection Agency Particulate sample collector
JPS6270731A (ja) * 1985-09-24 1987-04-01 Mitsubishi Electric Corp 純水中の不純物測定装置
US5163818A (en) * 1990-02-05 1992-11-17 Ametek, Inc. Automatic constant air flow rate pump unit for sampling air
US5107713A (en) * 1990-03-16 1992-04-28 A.P. Buck, Inc. Air sampling pump
DE19812551C2 (de) * 1998-03-21 2002-01-24 Jakob Hois Vorrichtung zum Prüfen der mikrobiologischen Qualität eines gasförmigen Mediums
US8862194B2 (en) 2008-06-30 2014-10-14 Covidien Lp Method for improved oxygen saturation estimation in the presence of noise
US8806919B2 (en) * 2011-07-29 2014-08-19 Vacuum Technology Inc. Leak detection apparatus and method
FR3061958B1 (fr) * 2017-01-13 2022-06-10 Jacky Experton Procede de prelevement de filtration, et d'analyse de particules et micro-organismes contenus dans l'air et dispositif de mise en oeuvre

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1910202A (en) * 1931-12-31 1933-05-23 Gen Electric Electric regulating system
US2889780A (en) * 1953-03-09 1959-06-09 Gen Electric Fluid flow measurement and control apparatus
US2982131A (en) * 1957-06-28 1961-05-02 Rosinski Jan Automatic isokinetic sampling device
US3129587A (en) * 1960-10-11 1964-04-21 Honeywell Regulator Co Flow sensing device
US3295359A (en) * 1963-11-20 1967-01-03 Controlled Environment Equipme Air sampler
FR1482123A (fr) * 1966-04-08 1967-05-26 Siersatom Sa Appareil de prélèvement d'aérosols
US3411704A (en) * 1966-09-26 1968-11-19 Johnson Service Co Pneumatic controller
US3424370A (en) * 1967-03-13 1969-01-28 Carrier Corp Gas compression systems
US3537296A (en) * 1967-11-08 1970-11-03 Beckman Instruments Inc Sample handling system for auto exhaust analyzer
US3501899A (en) * 1968-05-02 1970-03-24 Int Chem & Nuclear Corp Constant-flow air sampler
US3701280A (en) * 1970-03-18 1972-10-31 Daniel Ind Inc Method and apparatus for determining the supercompressibility factor of natural gas
US3748906A (en) * 1970-10-15 1973-07-31 Jones & Laughlin Steel Corp Gas sampling apparatus
US3784902A (en) * 1971-12-08 1974-01-08 Ikor Inc Apparatus for sensing particulate matter
US3726607A (en) * 1971-12-27 1973-04-10 Monarch Enterprises Inc Coin-actuated crankcase pump control circuit
US3953152A (en) * 1973-08-02 1976-04-27 Sipin Anatole J Regulated fluid pump
US3882861A (en) * 1973-09-24 1975-05-13 Vital Assists Auxiliary control for a blood pump
US3865512A (en) * 1973-11-19 1975-02-11 Weil Mclain Co Inc Control apparatus for a water supply system
US3949734A (en) * 1974-07-22 1976-04-13 Miles Lowell Edwards Fluid pump control system
US3989913A (en) * 1974-10-11 1976-11-02 Valleylab, Inc. Intravenous feeding pump timer
US3965748A (en) * 1974-11-18 1976-06-29 Rader Companies, Inc. Apparatus for automatically measuring particulate emissions in gas flow
US3956940A (en) * 1975-05-05 1976-05-18 Guild Lloyd V Sampling of fluid

Also Published As

Publication number Publication date
US4123932A (en) 1978-11-07
CA1062498A (fr) 1979-09-18
JPS53146683A (en) 1978-12-20
AU3649278A (en) 1979-11-29
GB1589912A (en) 1981-05-20
AT377858B (de) 1985-05-10
DE2822697C2 (de) 1983-06-16
CH632843A5 (de) 1982-10-29
JPS5732349B2 (fr) 1982-07-10
FR2396281A1 (fr) 1979-01-26
DE2822697A1 (de) 1978-11-30
BR7803323A (pt) 1979-01-02
FR2396281B1 (fr) 1983-11-25
AU517663B2 (en) 1981-08-20

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Legal Events

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DT Application date
TA Annual fee