CA970432A - Capacitative detection of fluid flow irregularities - Google Patents

Capacitative detection of fluid flow irregularities

Info

Publication number
CA970432A
CA970432A CA151,253A CA151253A CA970432A CA 970432 A CA970432 A CA 970432A CA 151253 A CA151253 A CA 151253A CA 970432 A CA970432 A CA 970432A
Authority
CA
Canada
Prior art keywords
fluid flow
flow irregularities
capacitative
detection
capacitative detection
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
CA151,253A
Other languages
English (en)
Inventor
Theophile Beullens
Roger Beelen
Charles Van Ypersele De Strihou
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.)
Sandoz Patent Ltd
Original Assignee
Sandoz Patent 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 Sandoz Patent Ltd filed Critical Sandoz Patent Ltd
Application granted granted Critical
Publication of CA970432A publication Critical patent/CA970432A/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
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Fire-Detection Mechanisms (AREA)
CA151,253A 1971-09-16 1972-09-08 Capacitative detection of fluid flow irregularities Expired CA970432A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2874871A IT938824B (it) 1971-09-16 1971-09-16 Rivelat ore esterno della presenza di un fluido in condutture o reci pienti

Publications (1)

Publication Number Publication Date
CA970432A true CA970432A (en) 1975-07-01

Family

ID=11224116

Family Applications (1)

Application Number Title Priority Date Filing Date
CA151,253A Expired CA970432A (en) 1971-09-16 1972-09-08 Capacitative detection of fluid flow irregularities

Country Status (7)

Country Link
JP (1) JPS4838796A (de)
CA (1) CA970432A (de)
CH (1) CH552212A (de)
DE (1) DE2244985A1 (de)
FR (1) FR2154075A5 (de)
GB (1) GB1391858A (de)
IT (1) IT938824B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2282111A1 (fr) * 1974-08-12 1976-03-12 Ieram Sarl Dispositif de detection de la presence de bulles
JPS5363289U (de) * 1976-10-29 1978-05-29
WO1980002600A1 (en) * 1979-05-22 1980-11-27 S Dahlqvist A device for detecting and measuring small capacitance variations

Also Published As

Publication number Publication date
JPS4838796A (de) 1973-06-07
DE2244985A1 (de) 1973-03-22
CH552212A (de) 1974-07-31
FR2154075A5 (de) 1973-05-04
IT938824B (it) 1973-02-10
GB1391858A (en) 1975-04-23

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