GB8923413D0 - State of fill-determining apparatus - Google Patents

State of fill-determining apparatus

Info

Publication number
GB8923413D0
GB8923413D0 GB898923413A GB8923413A GB8923413D0 GB 8923413 D0 GB8923413 D0 GB 8923413D0 GB 898923413 A GB898923413 A GB 898923413A GB 8923413 A GB8923413 A GB 8923413A GB 8923413 D0 GB8923413 D0 GB 8923413D0
Authority
GB
United Kingdom
Prior art keywords
fill
state
determining apparatus
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.)
Granted
Application number
GB898923413A
Other versions
GB2225113B (en
GB2225113A (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.)
Danfoss AS
Original Assignee
Danfoss AS
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 Danfoss AS filed Critical Danfoss AS
Publication of GB8923413D0 publication Critical patent/GB8923413D0/en
Publication of GB2225113A publication Critical patent/GB2225113A/en
Application granted granted Critical
Publication of GB2225113B publication Critical patent/GB2225113B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01F23/24—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 variations of resistance of resistors due to contact with conductor fluid
    • G01F23/241—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 variations of resistance of resistors due to contact with conductor fluid for discrete levels
    • G01F23/243—Schematic arrangements of probes combined with measuring circuits
    • G01F23/244—Schematic arrangements of probes combined with measuring circuits comprising oscillating circuits
    • 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
    • G01F23/24—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 variations of resistance of resistors due to contact with conductor fluid
    • G01F23/241—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 variations of resistance of resistors due to contact with conductor fluid for discrete levels
    • G01F23/242—Mounting arrangements for electrodes
    • 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
    • G01S—RADIO 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
    • G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Automation & Control Theory (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB8923413A 1988-10-18 1989-10-17 State of fill-determining apparatus Expired - Lifetime GB2225113B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19883835406 DE3835406A1 (en) 1988-10-18 1988-10-18 DEVICE FOR MEASURING A LEVEL

Publications (3)

Publication Number Publication Date
GB8923413D0 true GB8923413D0 (en) 1989-12-06
GB2225113A GB2225113A (en) 1990-05-23
GB2225113B GB2225113B (en) 1992-10-07

Family

ID=6365349

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8923413A Expired - Lifetime GB2225113B (en) 1988-10-18 1989-10-17 State of fill-determining apparatus

Country Status (4)

Country Link
JP (1) JPH0674995B2 (en)
DE (1) DE3835406A1 (en)
DK (1) DK167714B1 (en)
GB (1) GB2225113B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4405238C2 (en) 1994-02-18 1998-07-09 Endress Hauser Gmbh Co Arrangement for measuring the level in a container
DE4416038A1 (en) * 1994-05-06 1995-11-09 Sigmund Birle Rainwater utilisation device for indoor domestic applications
US5672975A (en) 1995-06-07 1997-09-30 Rosemount Inc. Two-wire level transmitter
IT1310723B1 (en) 1999-09-16 2002-02-22 Elbi Int Spa DEVICE TO DETECT THE OPERATING CONDITIONS OF AT LEAST ONE SPRAYING IMPELLER OF A DISHWASHER MACHINE
DE10014887B4 (en) * 2000-03-24 2011-08-11 Volkswagen AG, 38440 Device for determining the filling level of a filling medium in a tank, in particular a tank of a motor vehicle
US7017408B2 (en) * 2004-02-13 2006-03-28 Be Intellectual Property, Inc. Electro-optic liquid level sensing system for aircraft beverage brewing

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE790291A (en) * 1971-10-23 1973-02-15 Licentia Gmbh DEVICE FOR DETERMINING THE LEVEL OF AN ELECTRICALLY CONDUCTIVE LIQUID, ESPECIALLY FOR LAUNDRY AND DISH WASHING MACHINES
DE2743409C3 (en) * 1977-09-27 1980-09-04 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Amplifier arrangement for an ultrasonic level limit switch that works according to the echo principle
DE3339984A1 (en) * 1983-11-04 1985-05-23 Endress U. Hauser Gmbh U. Co, 7867 Maulburg SOUND AND ULTRASONIC DISTANCE MEASURING DEVICE
GB2198535B (en) * 1986-11-01 1991-06-05 Parke Davis & Co Ltd Apparatus and method for determining the amount of substance in a vessel

Also Published As

Publication number Publication date
GB2225113B (en) 1992-10-07
DE3835406A1 (en) 1990-04-19
DK514289D0 (en) 1989-10-17
JPH0674995B2 (en) 1994-09-21
JPH02159522A (en) 1990-06-19
GB2225113A (en) 1990-05-23
DE3835406C2 (en) 1991-07-04
DK167714B1 (en) 1993-12-06
DK514289A (en) 1990-04-19

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Legal Events

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

Effective date: 19951017