GB2087682B - Distance measuring apparatus - Google Patents

Distance measuring apparatus

Info

Publication number
GB2087682B
GB2087682B GB8040266A GB8040266A GB2087682B GB 2087682 B GB2087682 B GB 2087682B GB 8040266 A GB8040266 A GB 8040266A GB 8040266 A GB8040266 A GB 8040266A GB 2087682 B GB2087682 B GB 2087682B
Authority
GB
Grant status
Grant
Patent type
Prior art keywords
distance
measuring
apparatus
distance measuring
measuring apparatus
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
GB8040266A
Other versions
GB2087682A (en )
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.)
Rosemount Engineering Co Ltd
Original Assignee
Rosemount Engineering Co 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
Grant date

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00Hot-water central heating systems
    • F24D3/10Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks Hydraulic components of a central heating system
    • F24D3/105Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks Hydraulic components of a central heating system pumps combined with multiple way valves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm
    • G01F23/22Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm by measurement of 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
    • G01F23/28Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm by measurement of 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 electric or acoustic waves applied directly to the liquid or fluent solid material
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm
    • G01F23/22Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm by measurement of 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
    • G01F23/28Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm by measurement of 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 electric or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284Electromagnetic waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06Systems determining position data of a target
    • G01S13/08Systems for measuring distance only
    • G01S13/32Systems for measuring distance only using transmission of continuous unmodulated waves, amplitude-, frequency- or phase-modulated waves
GB8040266A 1980-10-27 1980-12-16 Distance measuring apparatus Expired GB2087682B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8034483 1980-10-27
GB8040266A GB2087682B (en) 1980-10-27 1980-12-16 Distance measuring apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8040266A GB2087682B (en) 1980-10-27 1980-12-16 Distance measuring apparatus

Publications (2)

Publication Number Publication Date
GB2087682A true GB2087682A (en) 1982-05-26
GB2087682B true GB2087682B (en) 1984-11-21

Family

ID=26277330

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8040266A Expired GB2087682B (en) 1980-10-27 1980-12-16 Distance measuring apparatus

Country Status (1)

Country Link
GB (1) GB2087682B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4994749A (en) * 1988-12-16 1991-02-19 General Electric Company Liquid sensor with high sensitivity near empty
DE4233324C2 (en) * 1992-10-05 1996-02-01 Krohne Messtechnik Kg A method for measuring the level of a liquid in a container according to the radar principle
EP0672486B1 (en) * 1994-03-18 1999-09-15 Norsk Hydro Asa Level control system for continuous or semicontinuous metal casting equipment
US5609059A (en) * 1994-12-19 1997-03-11 The Regents Of The University Of California Electronic multi-purpose material level sensor
WO1998047021A1 (en) * 1997-04-14 1998-10-22 Sud Est Electro Mecanique - S.E.E.M. S.A. Device for detecting the position or condition of a target
JP3461498B2 (en) * 2001-03-01 2003-10-27 徹志 上保 Distance measuring device, a distance measuring equipment and a distance measuring method
JPWO2003104841A1 (en) * 2002-06-07 2005-10-06 株式会社島精機製作所 Distance measuring method and apparatus

Also Published As

Publication number Publication date Type
GB2087682A (en) 1982-05-26 application

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Legal Events

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