GB2275107B - Method and apparatus for determining the presence of a first liquid in a second liquid - Google Patents

Method and apparatus for determining the presence of a first liquid in a second liquid

Info

Publication number
GB2275107B
GB2275107B GB9302572A GB9302572A GB2275107B GB 2275107 B GB2275107 B GB 2275107B GB 9302572 A GB9302572 A GB 9302572A GB 9302572 A GB9302572 A GB 9302572A GB 2275107 B GB2275107 B GB 2275107B
Authority
GB
United Kingdom
Prior art keywords
liquid
determining
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 - Fee Related
Application number
GB9302572A
Other versions
GB2275107A (en
GB9302572D0 (en
Inventor
William Elwyn Roberts
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.)
EA Technology Ltd
Electricity Association Technology Ltd
Original Assignee
EA Technology Ltd
Electricity Association Technology 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 EA Technology Ltd, Electricity Association Technology Ltd filed Critical EA Technology Ltd
Priority to GB9302572A priority Critical patent/GB2275107B/en
Publication of GB9302572D0 publication Critical patent/GB9302572D0/en
Publication of GB2275107A publication Critical patent/GB2275107A/en
Application granted granted Critical
Publication of GB2275107B publication Critical patent/GB2275107B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/40—Detecting the response signal, e.g. electronic circuits specially adapted therefor by amplitude filtering, e.g. by applying a threshold or by gain control
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/045—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
    • G01N29/046—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks using the echo of particles imparting on a surface; using acoustic emission of particles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/228—Details, e.g. general constructional or apparatus details related to high temperature conditions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/32—Arrangements for suppressing undesired influences, e.g. temperature or pressure variations, compensating for signal noise
    • G01N29/326—Arrangements for suppressing undesired influences, e.g. temperature or pressure variations, compensating for signal noise compensating for temperature variations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/42—Detecting the response signal, e.g. electronic circuits specially adapted therefor by frequency filtering or by tuning to resonant frequency
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/022—Liquids
    • G01N2291/0222—Binary liquids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/10—Number of transducers
    • G01N2291/101—Number of transducers one transducer
GB9302572A 1993-02-10 1993-02-10 Method and apparatus for determining the presence of a first liquid in a second liquid Expired - Fee Related GB2275107B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9302572A GB2275107B (en) 1993-02-10 1993-02-10 Method and apparatus for determining the presence of a first liquid in a second liquid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9302572A GB2275107B (en) 1993-02-10 1993-02-10 Method and apparatus for determining the presence of a first liquid in a second liquid

Publications (3)

Publication Number Publication Date
GB9302572D0 GB9302572D0 (en) 1993-03-24
GB2275107A GB2275107A (en) 1994-08-17
GB2275107B true GB2275107B (en) 1996-03-20

Family

ID=10730142

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9302572A Expired - Fee Related GB2275107B (en) 1993-02-10 1993-02-10 Method and apparatus for determining the presence of a first liquid in a second liquid

Country Status (1)

Country Link
GB (1) GB2275107B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014224719A1 (en) * 2014-12-03 2016-06-09 Robert Bosch Gmbh Acoustic monitoring device for the fuel quality

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136563A (en) * 1983-01-27 1984-09-19 Geesthacht Gkss Forschung Detection of hydrocarbons dissolved in water

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136563A (en) * 1983-01-27 1984-09-19 Geesthacht Gkss Forschung Detection of hydrocarbons dissolved in water

Also Published As

Publication number Publication date
GB2275107A (en) 1994-08-17
GB9302572D0 (en) 1993-03-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010210