DE2619224C2 - Vorrichtung zur optischen Messung der Qualmdichte von Gasen - Google Patents

Vorrichtung zur optischen Messung der Qualmdichte von Gasen

Info

Publication number
DE2619224C2
DE2619224C2 DE2619224A DE2619224A DE2619224C2 DE 2619224 C2 DE2619224 C2 DE 2619224C2 DE 2619224 A DE2619224 A DE 2619224A DE 2619224 A DE2619224 A DE 2619224A DE 2619224 C2 DE2619224 C2 DE 2619224C2
Authority
DE
Germany
Prior art keywords
gas
openings
section
venturi nozzle
measuring beam
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
Application number
DE2619224A
Other languages
German (de)
English (en)
Other versions
DE2619224A1 (de
Inventor
Reginald Stanley Buckingham Buckinghamshire Emerson
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.)
LESLIE HARTRIDGE Ltd BUCKINGHAM BUCKINGHAMSHIRE GB
Original Assignee
LESLIE HARTRIDGE Ltd BUCKINGHAM BUCKINGHAMSHIRE GB
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 LESLIE HARTRIDGE Ltd BUCKINGHAM BUCKINGHAMSHIRE GB filed Critical LESLIE HARTRIDGE Ltd BUCKINGHAM BUCKINGHAMSHIRE GB
Publication of DE2619224A1 publication Critical patent/DE2619224A1/de
Application granted granted Critical
Publication of DE2619224C2 publication Critical patent/DE2619224C2/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Measuring Cells (AREA)
DE2619224A 1975-04-29 1976-04-28 Vorrichtung zur optischen Messung der Qualmdichte von Gasen Expired DE2619224C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB17848/75A GB1549193A (en) 1975-04-29 1975-04-29 Apparatus for measuring smoke density

Publications (2)

Publication Number Publication Date
DE2619224A1 DE2619224A1 (de) 1976-11-18
DE2619224C2 true DE2619224C2 (de) 1985-10-24

Family

ID=10102286

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2619224A Expired DE2619224C2 (de) 1975-04-29 1976-04-28 Vorrichtung zur optischen Messung der Qualmdichte von Gasen

Country Status (7)

Country Link
US (1) US4066364A (Direct)
JP (1) JPS5919304B2 (Direct)
DE (1) DE2619224C2 (Direct)
ES (1) ES447264A1 (Direct)
FR (1) FR2309859A1 (Direct)
GB (1) GB1549193A (Direct)
IT (1) IT1059410B (Direct)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2148487B (en) * 1983-10-13 1987-01-14 Perkins Engines Group Apparatus for measuring smoke density
JPS60185250U (ja) * 1984-05-19 1985-12-09 三菱重工業株式会社 煙濃度測定装置
JPH039008Y2 (Direct) * 1984-11-19 1991-03-06
JPS61293808A (ja) * 1985-05-27 1986-12-24 松下電工株式会社 無機質材料の抄造法
DE3722608A1 (de) * 1987-07-09 1989-02-02 Gyulai Maria Dobosne Anordnung und verfahren zur erfassung und anzeige der konzentrationen von zigaretten-, zigarren-, pfeifen- und autoabgasrauch
DE3928081C2 (de) * 1989-08-25 1998-05-07 Bosch Gmbh Robert Vorrichtung zur Erfassung der Trübung von Gasen
GB2260809B (en) * 1991-10-22 1996-04-03 Marconi Gec Ltd Exhaust gas particle sensor
US5424842A (en) * 1993-04-27 1995-06-13 Cummins Electronics Company, Inc. Self-cleaning system for monitoring the opacity of combustion engine exhaust using venturi effect
US5793044A (en) * 1995-11-09 1998-08-11 Ntc Technology, Inc. Infrared radiation detector units and methods of assembling transducers in which said units are incorporated
AUPN965996A0 (en) 1996-05-03 1996-05-30 Vision Products Pty Ltd The detection of airborne pollutants
GB2343947B (en) * 1996-05-03 2000-08-02 Vision Products Pty Ltd Filter cartridge for the detection of airborne pollutants
US5818045A (en) * 1996-07-19 1998-10-06 Mark; Howard L. Spectroscopic system for quantifying constituents in natural products
US6710878B1 (en) 1999-06-14 2004-03-23 General Electric Company In-line particulate detector
WO2004091796A2 (en) 2003-04-11 2004-10-28 Stockhausen, Inc. A reduced-emissions fossil-fuel-fired system
US7623028B2 (en) * 2004-05-27 2009-11-24 Lawrence Kates System and method for high-sensitivity sensor
US7319524B2 (en) * 2005-03-28 2008-01-15 Honeywell International, Inc. Air purged optical densitometer
JP5362959B2 (ja) * 2007-02-19 2013-12-11 トヨタ自動車株式会社 排ガス分析用センサ
JP5052259B2 (ja) * 2007-08-21 2012-10-17 トヨタ自動車株式会社 排ガス分析用センサ
US20090066525A1 (en) * 2007-08-28 2009-03-12 Thomas Walsh Smoke meter and locator
FR2928000B1 (fr) * 2008-02-21 2010-02-26 Inst Francais Du Petrole Procede et dispositif de mesure du niveau d'opacite de gaz d'echappement emis par un moteur diesel
CN116124660B (zh) * 2023-01-09 2024-11-19 山东新厦建设有限公司 一种便携式消防感烟探测器检测装置
EP4481367A1 (en) * 2023-06-19 2024-12-25 ATAL s.r.o. Opacity meter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH168298A (de) * 1933-04-07 1934-03-31 Guinand Paul Verfahren zur Anzeige von Rauch- und Gasentwicklung.
US3496558A (en) * 1967-07-03 1970-02-17 Univ Utah Methane and coal dust detection
GB1200038A (en) * 1967-09-21 1970-07-29 Snam Progetti Apparatus and method for measuring the opacity of gases
ES403465A1 (es) * 1971-05-26 1975-05-01 Tecneco Spa Perfeccionamientos en dispositivos medidores de la opacidadde fluidos, particularmente de humos.
GB1425564A (en) * 1972-02-09 1976-02-18 Nat Res Dev Opacimeters
US3885162A (en) * 1973-10-31 1975-05-20 Contraves Goerz Corp Optical measuring apparatus
US3932137A (en) * 1973-11-08 1976-01-13 Aero-Dyne Manufacturing, Inc. Burner with automatic high-low operation
US3958122A (en) * 1974-12-19 1976-05-18 United Technologies Corporation Exhaust gas analyzer having pressure and temperature compensation

Also Published As

Publication number Publication date
DE2619224A1 (de) 1976-11-18
GB1549193A (en) 1979-08-01
FR2309859A1 (fr) 1976-11-26
ES447264A1 (es) 1977-06-16
IT1059410B (it) 1982-05-31
US4066364A (en) 1978-01-03
FR2309859B1 (Direct) 1980-04-30
JPS51135684A (en) 1976-11-24
JPS5919304B2 (ja) 1984-05-04

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition