MX150520A - Un aparato mejorado para proveer una indicacion de un cambio en la constante dielectrica de un fluido - Google Patents

Un aparato mejorado para proveer una indicacion de un cambio en la constante dielectrica de un fluido

Info

Publication number
MX150520A
MX150520A MX191470A MX19147082A MX150520A MX 150520 A MX150520 A MX 150520A MX 191470 A MX191470 A MX 191470A MX 19147082 A MX19147082 A MX 19147082A MX 150520 A MX150520 A MX 150520A
Authority
MX
Mexico
Prior art keywords
indication
fluid
change
dielectric constant
improved apparatus
Prior art date
Application number
MX191470A
Other languages
English (en)
Spanish (es)
Inventor
Michael Ronald Bungay
Original Assignee
Lucas Industries 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 Lucas Industries Ltd filed Critical Lucas Industries Ltd
Publication of MX150520A publication Critical patent/MX150520A/es

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2617—Measuring dielectric properties, e.g. constants
    • G01R27/2623—Measuring-systems or electronic circuits
    • 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
    • G01N27/221—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance by investigating the dielectric properties

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
MX191470A 1981-02-18 1982-02-18 Un aparato mejorado para proveer una indicacion de un cambio en la constante dielectrica de un fluido MX150520A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8105149 1981-02-18

Publications (1)

Publication Number Publication Date
MX150520A true MX150520A (es) 1984-05-16

Family

ID=10519801

Family Applications (1)

Application Number Title Priority Date Filing Date
MX191470A MX150520A (es) 1981-02-18 1982-02-18 Un aparato mejorado para proveer una indicacion de un cambio en la constante dielectrica de un fluido

Country Status (6)

Country Link
US (1) US4429272A (en, 2012)
JP (1) JPS57139668A (en, 2012)
ES (1) ES8302316A1 (en, 2012)
FR (1) FR2500169A1 (en, 2012)
IT (1) IT1142087B (en, 2012)
MX (1) MX150520A (en, 2012)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60106170U (ja) * 1983-12-23 1985-07-19 愛三工業株式会社 比誘電率変化検出装置
US4621227A (en) * 1984-02-29 1986-11-04 Borg-Warner Corporation Measuring system for determining the capacitance ratio of a pair of capacitors
US5230993A (en) * 1987-06-05 1993-07-27 Fuji Photo Film Co., Ltd. Silver halide photographic element
JPH0522858Y2 (en, 2012) * 1987-11-10 1993-06-11
US4961055A (en) * 1989-01-04 1990-10-02 Vickers, Incorporated Linear capacitance displacement transducer
US5021740A (en) * 1989-03-07 1991-06-04 The Boeing Company Method and apparatus for measuring the distance between a body and a capacitance probe
US5648727A (en) * 1995-10-24 1997-07-15 Dpc Cirrus Inc. Capacitive level sensing pipette probe
US5869973A (en) * 1995-10-26 1999-02-09 Nosov; Eugene I. Time-domain dielectric spectroscopy method and apparatus
DE59814414D1 (de) * 1997-12-18 2010-01-07 Uster Technologies Ag Verfahren und Vorrichtung zur Ermittlung von Anteilen fester Stoffe in einem Prüfgut
US6509745B1 (en) * 2000-09-25 2003-01-21 Detroit Diesel Corporation Method and apparatus for measuring liquid dielectric behavior

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3037165A (en) 1957-05-30 1962-05-29 Goring Kerr Ltd Electrical indicating measuring or control apparatus and the like
US3067385A (en) * 1959-08-24 1962-12-04 Francis B Rykoskey Oil monitor
FR2243624A5 (en) * 1973-09-12 1975-04-04 Sofrance Detection of pollution in a fluid - partic an oil used in a machine tool, by measuring dielectric constant
US4001676A (en) 1975-08-27 1977-01-04 General Motors Corporation Solid-state threshold detector
US4065715A (en) 1975-12-18 1977-12-27 General Motors Corporation Pulse duration modulated signal transducer
GB1578527A (en) * 1976-03-13 1980-11-05 Lucas Industries Ltd Apparatus for detecting water in oil
US4065721A (en) 1976-11-15 1977-12-27 General Motors Corporation Solid state threshold detector with hysteresis
FR2386811A1 (fr) * 1977-04-06 1978-11-03 Elf Aquitaine Detecteur de niveau de separation entre deux liquides
US4228393A (en) 1978-08-14 1980-10-14 Brown & Williamson Tobacco Corporation Moisture meter
US4240028A (en) 1979-04-27 1980-12-16 Texaco Inc. Means and method for determining water saturation of oil

Also Published As

Publication number Publication date
FR2500169B1 (en, 2012) 1985-01-11
US4429272A (en) 1984-01-31
ES507358A0 (es) 1983-01-01
ES8302316A1 (es) 1983-01-01
FR2500169A1 (fr) 1982-08-20
IT8125360A0 (it) 1981-11-30
JPS57139668A (en) 1982-08-28
IT1142087B (it) 1986-10-08

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