GB831011A - Improvements in detectors of oil mists and the like - Google Patents

Improvements in detectors of oil mists and the like

Info

Publication number
GB831011A
GB831011A GB12656/57A GB1265657A GB831011A GB 831011 A GB831011 A GB 831011A GB 12656/57 A GB12656/57 A GB 12656/57A GB 1265657 A GB1265657 A GB 1265657A GB 831011 A GB831011 A GB 831011A
Authority
GB
United Kingdom
Prior art keywords
duct
cuffs
windows
window
april
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
GB12656/57A
Other languages
English (en)
Inventor
Anders Mathisen
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.)
Graviner Manufacturing Co Ltd
Original Assignee
Graviner Manufacturing Co Ltd
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 Graviner Manufacturing Co Ltd filed Critical Graviner Manufacturing Co Ltd
Publication of GB831011A publication Critical patent/GB831011A/en
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)
GB12656/57A 1957-04-18 1957-04-18 Improvements in detectors of oil mists and the like Expired GB831011A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB345752X 1957-04-18

Publications (1)

Publication Number Publication Date
GB831011A true GB831011A (en) 1960-03-23

Family

ID=10367325

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12656/57A Expired GB831011A (en) 1957-04-18 1957-04-18 Improvements in detectors of oil mists and the like

Country Status (5)

Country Link
US (1) US2935909A (de)
BE (1) BE566806A (de)
CH (1) CH345752A (de)
DE (1) DE1076968B (de)
GB (1) GB831011A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3020795A (en) * 1959-05-14 1962-02-13 Du Pont Fluid inspection apparatus
US3268734A (en) * 1963-09-30 1966-08-23 Stewart Warner Corp Oil mist fluid monitor
US3319069A (en) * 1964-08-27 1967-05-09 American District Telegraph Co Smoke detecting radiation sensitive fire alarm system
US3504183A (en) * 1966-09-12 1970-03-31 Iit Res Inst Particle counter using a variable test volume

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE624724C (de) * 1930-11-19 1936-01-28 Siemens Ag Rauchdichtemesser
DE661589C (de) * 1930-11-19 1938-06-22 Siemens & Halske Akt Ges Rauchdichtemesser
US2042095A (en) * 1933-05-08 1936-05-26 Kidde & Co Walter Detection of suspended matter in gaseous fluids
GB704052A (en) * 1952-05-07 1954-02-17 Anglo Iranian Oil Co Ltd Improvements in or relating to smokemeters
US2770162A (en) * 1952-06-05 1956-11-13 Specialties Dev Corp Apparatus for visually detecting suspended matter in fluid

Also Published As

Publication number Publication date
BE566806A (de)
US2935909A (en) 1960-05-10
DE1076968B (de) 1960-03-03
CH345752A (fr) 1960-04-15

Similar Documents

Publication Publication Date Title
GB1426478A (en) Non-dispersive infrared fluid analyzer with compensation of absorptive and mechanical effects of ambient conditions
GB1154840A (en) Improvements relating to the Continuous Ringless Spinning of Textile Fibres
GB831011A (en) Improvements in detectors of oil mists and the like
DE69725950D1 (de) Optisches Sicherheitsvorrichtung für Kochgeräte
NL173603B (nl) Vacuumfilterbandinstallatie.
JPS5443074A (en) Detector of paper leaves
GB954578A (en) Improvements in and relating to fire detector devices
GB1322413A (en) Receptacle for hot material such as ash
GB1280298A (en) Improvements in and relating to combustion detectors
JPS54159279A (en) Photoelectric type smoke detector
JPS52112345A (en) Oil mist detector
JPS54131182A (en) Press machine abnormality detector
JPS5572825A (en) Detecting method for liquid level position in container
JPS5364083A (en) Photoelectric smoke detector
JPS5710451A (en) Test paper for detecting arsine
JPS5458465A (en) Washing machine
GB1306975A (en) Apparatus for detecting variations in a subject from a television image thereof
JPS5395683A (en) Photoelectric smoke detector
JPS5354000A (en) Detection signal processing circuit of photoelectric type smoke detectors
JPS56117482A (en) Air purge structure
JPS57186143A (en) Detection of water leakage at tuyere of shaft furnace
SU607864A1 (ru) Устройство дл обнаружени кромки ткани
JPS5717079A (en) Automatic cash depositing machine
JPS5518971A (en) Detector for radioactive leak gas
GB840768A (en) Methods of and apparatus for the measurement or indication of smoke density