FR2492532B1 - - Google Patents

Info

Publication number
FR2492532B1
FR2492532B1 FR8114864A FR8114864A FR2492532B1 FR 2492532 B1 FR2492532 B1 FR 2492532B1 FR 8114864 A FR8114864 A FR 8114864A FR 8114864 A FR8114864 A FR 8114864A FR 2492532 B1 FR2492532 B1 FR 2492532B1
Authority
FR
France
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
FR8114864A
Other languages
French (fr)
Other versions
FR2492532A1 (fr
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.)
Emhart Industries Inc
Original Assignee
Emhart Industries Inc
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 Emhart Industries Inc filed Critical Emhart Industries Inc
Publication of FR2492532A1 publication Critical patent/FR2492532A1/fr
Application granted granted Critical
Publication of FR2492532B1 publication Critical patent/FR2492532B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/18—Investigating or analyzing materials by the use of thermal means by investigating thermal conductivity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18—Water
    • G01N33/1826—Organic contamination in water
    • G01N33/1833—Oil in water

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
FR8114864A 1980-10-17 1981-07-30 Dispositif sensible pour la detection d'une substance contenant des hydrocarbures a la surface de l'eau Granted FR2492532A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/197,955 US4361031A (en) 1980-10-17 1980-10-17 Sensing device

Publications (2)

Publication Number Publication Date
FR2492532A1 FR2492532A1 (fr) 1982-04-23
FR2492532B1 true FR2492532B1 (ref) 1985-01-04

Family

ID=22731422

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8114864A Granted FR2492532A1 (fr) 1980-10-17 1981-07-30 Dispositif sensible pour la detection d'une substance contenant des hydrocarbures a la surface de l'eau

Country Status (11)

Country Link
US (1) US4361031A (ref)
JP (1) JPS5770439A (ref)
AU (1) AU535869B2 (ref)
CA (1) CA1182169A (ref)
DE (1) DE3127312A1 (ref)
DK (1) DK364681A (ref)
FR (1) FR2492532A1 (ref)
GB (1) GB2086579B (ref)
IT (2) IT8153557V0 (ref)
NO (1) NO812976L (ref)
SE (1) SE8106026L (ref)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4725818A (en) * 1985-09-13 1988-02-16 Simplex Time Recorder Co. Walk through test system
DE3622348A1 (de) * 1986-07-03 1988-01-07 Kabelmetal Electro Gmbh Lokales netzwerk
US9013316B2 (en) * 2011-07-28 2015-04-21 Finsecur Smoke detector

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7625177U1 (ref) * 1900-01-01 Dipl.-Ing. Robert Heidenreich Inh. Frank Heidenreich Elektrische Anlagen Und Geraete, 7471 Strassberg
US2660194A (en) * 1952-08-09 1953-11-24 Us Rubber Co Expanded cellular plastic flotation body
FR1399477A (fr) * 1964-06-25 1965-05-14 Dispositif indicateur sensible aux couches d'huile sur l'eau
US3720797A (en) * 1971-09-10 1973-03-13 K Gunn Gas fusing sensing device
US3946625A (en) * 1973-05-11 1976-03-30 Asahi Kasei Kogyo Kabushiki Kaisha Liquid detector
US3918034A (en) * 1974-02-11 1975-11-04 Petrotek Oil detection and signaling system
JPS512490A (ref) * 1974-06-25 1976-01-10 Japan Gasoline
JPS5217891A (en) * 1975-06-28 1977-02-10 Nippon Sheet Glass Co Ltd Device for detection of efflux of ligh-shielding liquid
JPS5217084A (en) * 1975-07-30 1977-02-08 Takaaki Hayashi Oil-water relay
DE2601410A1 (de) * 1975-12-30 1977-07-21 Robert Heidenreich Inh Frank H Geraet zur anzeige von fluessigen, unloeslichen schichten auf leitenden fluessigkeiten
DE2559233A1 (de) * 1975-12-30 1977-07-14 Robert Heidenreich Inh Frank H Geraet zur anzeige von fluessigen, unloeslichen fremdschichten auf fluessigkeiten
US4131773A (en) * 1976-03-24 1978-12-26 Texaco Inc. Apparatus for detecting presence of oil in a body of water
NO147929C (no) * 1976-12-20 1983-07-06 Bronson M Potter Deteksjonssystem for oljeforurensning.
DE2837920C2 (de) * 1978-08-31 1987-04-16 Münnich-Debus Meßtechnik KG, 8000 München Flüssigkeitsmeßgeber
US4221125A (en) * 1979-03-09 1980-09-09 Emhart Industries, Inc. Apparatus and method for detecting the presence of a substance on a liquid surface
US4223552A (en) * 1979-03-21 1980-09-23 Emhart Industries, Inc. Apparatus and method for sensing a substance on a liquid surface
GB2062873A (en) * 1979-11-06 1981-05-28 Ilsley P Electrically operated monitoring device for detecting oil pollution
DE19838389C1 (de) * 1998-08-24 2000-03-09 Siemens Ag Verfahren und Vorrichtung zur Steuerung eines abschaltbaren Stromrichterventils mit der Reihenschaltzahl Zwei oder größer

Also Published As

Publication number Publication date
NO812976L (no) 1982-04-19
SE8106026L (sv) 1982-04-18
DE3127312A1 (de) 1982-05-13
CA1182169A (en) 1985-02-05
IT8168148A0 (it) 1981-08-26
IT1144639B (it) 1986-10-29
GB2086579A (en) 1982-05-12
FR2492532A1 (fr) 1982-04-23
DK364681A (da) 1982-04-18
JPS5770439A (en) 1982-04-30
AU535869B2 (en) 1984-04-05
GB2086579B (en) 1984-11-28
US4361031A (en) 1982-11-30
IT8153557V0 (it) 1981-08-26
AU7204081A (en) 1982-04-22

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Legal Events

Date Code Title Description
ST Notification of lapse