CA1182169A - Sensing device - Google Patents

Sensing device

Info

Publication number
CA1182169A
CA1182169A CA000380229A CA380229A CA1182169A CA 1182169 A CA1182169 A CA 1182169A CA 000380229 A CA000380229 A CA 000380229A CA 380229 A CA380229 A CA 380229A CA 1182169 A CA1182169 A CA 1182169A
Authority
CA
Canada
Prior art keywords
sensing
sensing device
floatation
printed circuit
nitrile
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
CA000380229A
Other languages
English (en)
French (fr)
Inventor
Ralph A. Perry
Raymond J. Andrejasich
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
Application granted granted Critical
Publication of CA1182169A publication Critical patent/CA1182169A/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
    • 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)
CA000380229A 1980-10-17 1981-06-19 Sensing device Expired CA1182169A (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
CA1182169A true CA1182169A (en) 1985-02-05

Family

ID=22731422

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000380229A Expired CA1182169A (en) 1980-10-17 1981-06-19 Sensing device

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
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
FR2492532B1 (ref) 1985-01-04
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
MKEX Expiry