GB2225113B - State of fill-determining apparatus - Google Patents
State of fill-determining apparatusInfo
- Publication number
- GB2225113B GB2225113B GB8923413A GB8923413A GB2225113B GB 2225113 B GB2225113 B GB 2225113B GB 8923413 A GB8923413 A GB 8923413A GB 8923413 A GB8923413 A GB 8923413A GB 2225113 B GB2225113 B GB 2225113B
- 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.)
- Expired - Lifetime
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19883835406 DE3835406A1 (de) | 1988-10-18 | 1988-10-18 | Vorrichtung zum messen eines fuellstandes |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8923413D0 GB8923413D0 (en) | 1989-12-06 |
GB2225113A GB2225113A (en) | 1990-05-23 |
GB2225113B true 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 (ja) |
DE (1) | DE3835406A1 (ja) |
DK (1) | DK167714B1 (ja) |
GB (1) | GB2225113B (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4405238C2 (de) | 1994-02-18 | 1998-07-09 | Endress Hauser Gmbh Co | Anordnung zur Messung des Füllstands in einem Behälter |
DE4416038A1 (de) * | 1994-05-06 | 1995-11-09 | Sigmund Birle | Regenwassernutzungsanlage |
US5672975A (en) | 1995-06-07 | 1997-09-30 | Rosemount Inc. | Two-wire level transmitter |
IT1310723B1 (it) * | 1999-09-16 | 2002-02-22 | Elbi Int Spa | Dispositivo per rilevare le condizioni di funzionamento di almenouna girante di spruzzatura di una macchina lavastoviglie |
DE10014887B4 (de) * | 2000-03-24 | 2011-08-11 | Volkswagen AG, 38440 | Vorrichtung zur Bestimmung der Füllstandshöhe eines Füllmediums in einem Tank, insbesondere einem Tank eines Kraftfahrzeugs |
US7017408B2 (en) * | 2004-02-13 | 2006-03-28 | Be Intellectual Property, Inc. | Electro-optic liquid level sensing system for aircraft beverage brewing |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2198535A (en) * | 1986-11-01 | 1988-06-15 | Parke Davis & Co Ltd | Apparatus and method for determining the amount of material in a vessel |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE790291A (fr) * | 1971-10-23 | 1973-02-15 | Licentia Gmbh | Dispositif de determination du niveau d'un liquide electriquement conducteur, notamment pour des machines a laver le linge et la vaisselle |
DE2743409C3 (de) * | 1977-09-27 | 1980-09-04 | Endress U. Hauser Gmbh U. Co, 7867 Maulburg | Ve rstärkeranordnung für einen nach dem Echoprinzip arbeitenden Ultraschall-Füllstandgrenzschalter |
DE3339984A1 (de) * | 1983-11-04 | 1985-05-23 | Endress U. Hauser Gmbh U. Co, 7867 Maulburg | Schall- bzw. ultraschall-entfernungsmessgeraet |
-
1988
- 1988-10-18 DE DE19883835406 patent/DE3835406A1/de active Granted
-
1989
- 1989-10-17 GB GB8923413A patent/GB2225113B/en not_active Expired - Lifetime
- 1989-10-17 DK DK514289A patent/DK167714B1/da not_active IP Right Cessation
- 1989-10-18 JP JP1271428A patent/JPH0674995B2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2198535A (en) * | 1986-11-01 | 1988-06-15 | Parke Davis & Co Ltd | Apparatus and method for determining the amount of material in a vessel |
Also Published As
Publication number | Publication date |
---|---|
JPH02159522A (ja) | 1990-06-19 |
DK167714B1 (da) | 1993-12-06 |
GB2225113A (en) | 1990-05-23 |
GB8923413D0 (en) | 1989-12-06 |
DK514289D0 (da) | 1989-10-17 |
DK514289A (da) | 1990-04-19 |
DE3835406A1 (de) | 1990-04-19 |
DE3835406C2 (ja) | 1991-07-04 |
JPH0674995B2 (ja) | 1994-09-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19951017 |