GB0421944D0 - An apparatus and method for measuring the zero setting of a sensor within an hydrauclic system - Google Patents

An apparatus and method for measuring the zero setting of a sensor within an hydrauclic system

Info

Publication number
GB0421944D0
GB0421944D0 GBGB0421944.0A GB0421944A GB0421944D0 GB 0421944 D0 GB0421944 D0 GB 0421944D0 GB 0421944 A GB0421944 A GB 0421944A GB 0421944 D0 GB0421944 D0 GB 0421944D0
Authority
GB
United Kingdom
Prior art keywords
hydrauclic
measuring
sensor
zero setting
zero
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.)
Ceased
Application number
GBGB0421944.0A
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.)
DAVENPORT BRYAN F
Original Assignee
DAVENPORT BRYAN F
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 DAVENPORT BRYAN F filed Critical DAVENPORT BRYAN F
Priority to GBGB0421944.0A priority Critical patent/GB0421944D0/en
Publication of GB0421944D0 publication Critical patent/GB0421944D0/en
Priority to GB0519896A priority patent/GB2418733A/en
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves
    • G01F23/2962—Measuring transit time of reflected waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/002—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow wherein the flow is in an open channel
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/20—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
GBGB0421944.0A 2004-10-02 2004-10-02 An apparatus and method for measuring the zero setting of a sensor within an hydrauclic system Ceased GB0421944D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GBGB0421944.0A GB0421944D0 (en) 2004-10-02 2004-10-02 An apparatus and method for measuring the zero setting of a sensor within an hydrauclic system
GB0519896A GB2418733A (en) 2004-10-02 2005-09-30 Calibrating the zero setting of an ultrasonic depth sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0421944.0A GB0421944D0 (en) 2004-10-02 2004-10-02 An apparatus and method for measuring the zero setting of a sensor within an hydrauclic system

Publications (1)

Publication Number Publication Date
GB0421944D0 true GB0421944D0 (en) 2004-11-03

Family

ID=33427983

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0421944.0A Ceased GB0421944D0 (en) 2004-10-02 2004-10-02 An apparatus and method for measuring the zero setting of a sensor within an hydrauclic system
GB0519896A Withdrawn GB2418733A (en) 2004-10-02 2005-09-30 Calibrating the zero setting of an ultrasonic depth sensor

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0519896A Withdrawn GB2418733A (en) 2004-10-02 2005-09-30 Calibrating the zero setting of an ultrasonic depth sensor

Country Status (1)

Country Link
GB (2) GB0421944D0 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2812027Y (en) * 2005-07-08 2006-08-30 南京德朔实业有限公司 Ultrasonic distant measurer
GB0621532D0 (en) * 2006-10-30 2006-12-06 Jones Richard W Apparatus for setting level measurement ultrasonic sensors
WO2016004976A1 (en) * 2014-07-07 2016-01-14 Vega Grieshaber Kg Radar level gauge comprising a safety device
CN112284492B (en) * 2020-09-24 2022-11-18 江苏大学 Ultrasonic water level detection method and device for aquaculture with fault self-diagnosis function
DE102022120418A1 (en) 2022-08-12 2024-02-15 Vega Grieshaber Kg Device and method for calibrating a level measuring device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4326173A (en) * 1977-07-25 1982-04-20 Np Industries, Inc. Digital phase locked loop frequency control system
US4868797A (en) * 1987-09-23 1989-09-19 Fischer & Porter Company Time-shared AGC for ultra-sound liquid level meter
GB2285131A (en) * 1993-11-24 1995-06-28 Jones Richard W Water level measurement

Also Published As

Publication number Publication date
GB0519896D0 (en) 2005-11-09
GB2418733A (en) 2006-04-05

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)