GB1545200A - Method of making a probe for measuring liquid levels - Google Patents

Method of making a probe for measuring liquid levels

Info

Publication number
GB1545200A
GB1545200A GB3338378A GB3338378A GB1545200A GB 1545200 A GB1545200 A GB 1545200A GB 3338378 A GB3338378 A GB 3338378A GB 3338378 A GB3338378 A GB 3338378A GB 1545200 A GB1545200 A GB 1545200A
Authority
GB
United Kingdom
Prior art keywords
probe
making
liquid levels
measuring liquid
measuring
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
GB3338378A
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.)
DREXELBROOK CONTROLS Ltd
Original Assignee
DREXELBROOK CONTROLS 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
Priority claimed from US05/532,208 external-priority patent/US4064753A/en
Application filed by DREXELBROOK CONTROLS Ltd filed Critical DREXELBROOK CONTROLS Ltd
Publication of GB1545200A publication Critical patent/GB1545200A/en
Expired 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
    • G01F23/26—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 capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—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 capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B29C70/685—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks by laminating inserts between two plastic films or plates
    • B29C70/687—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks by laminating inserts between two plastic films or plates the inserts being oriented, e.g. nets or meshes

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measuring Volume Flow (AREA)
GB3338378A 1974-12-12 1975-12-12 Method of making a probe for measuring liquid levels Expired GB1545200A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/532,208 US4064753A (en) 1974-12-12 1974-12-12 RF admittance measuring method and apparatus for determining the level of a conductive liquid
US63559575A 1975-11-28 1975-11-28

Publications (1)

Publication Number Publication Date
GB1545200A true GB1545200A (en) 1979-05-02

Family

ID=27063777

Family Applications (3)

Application Number Title Priority Date Filing Date
GB3338278A Expired GB1545199A (en) 1974-12-12 1975-12-12 Apparatus for measuring the level of a liquid
GB5105775A Expired GB1545198A (en) 1974-12-12 1975-12-12 Apparatus for liquid level sensing
GB3338378A Expired GB1545200A (en) 1974-12-12 1975-12-12 Method of making a probe for measuring liquid levels

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB3338278A Expired GB1545199A (en) 1974-12-12 1975-12-12 Apparatus for measuring the level of a liquid
GB5105775A Expired GB1545198A (en) 1974-12-12 1975-12-12 Apparatus for liquid level sensing

Country Status (4)

Country Link
JP (1) JPS5185759A (en)
CA (1) CA1084117A (en)
DE (2) DE2555817C2 (en)
GB (3) GB1545199A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007026273A1 (en) * 2007-06-05 2008-12-18 Herbert Griebel Sensor for determining electrical resistance of liquid and/or liquefiable medium i.e. edible fat, in precipitation container i.e. grease separator, has heat source i.e. electrical heating unit, assigned to two electrodes

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5337555U (en) * 1976-09-07 1978-04-01
JPH02109220U (en) * 1989-02-17 1990-08-31
DE8902858U1 (en) * 1989-03-06 1989-04-20 Berliner Wasser-Betriebe Eigenbetrieb Von Berlin, 1000 Berlin, De
DE4025400C1 (en) * 1990-08-10 1992-04-09 Vega Grieshaber Gmbh & Co, 7620 Wolfach, De
DE10210504A1 (en) 2002-03-11 2003-09-25 Endress & Hauser Gmbh & Co Kg Field device electronics for conductive level switches

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2852937A (en) * 1955-04-07 1958-09-23 Honeywell Regulator Co Liquid level indicating apparatus
GB941645A (en) * 1961-03-28 1963-11-13 Dag Schreiber Improvements in or relating to flow measurement devices
US3324647A (en) * 1964-08-11 1967-06-13 Parmet Company Proximity detector
US3706980A (en) * 1970-04-27 1972-12-19 Drexelbrook Controls Rf system for measuring the level of materials
US3781672A (en) * 1971-05-10 1973-12-25 Drexelbrook Controls Continuous condition measuring system
DE2151078C2 (en) * 1971-10-13 1973-11-08 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Capacitive level meter
US3729994A (en) * 1972-02-07 1973-05-01 H Klug Flow metering system for liquid wastes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007026273A1 (en) * 2007-06-05 2008-12-18 Herbert Griebel Sensor for determining electrical resistance of liquid and/or liquefiable medium i.e. edible fat, in precipitation container i.e. grease separator, has heat source i.e. electrical heating unit, assigned to two electrodes

Also Published As

Publication number Publication date
JPS5185759A (en) 1976-07-27
GB1545199A (en) 1979-05-02
CA1084117A (en) 1980-08-19
GB1545198A (en) 1979-05-02
DE2560645C2 (en) 1987-01-15
DE2555817A1 (en) 1976-06-24
DE2555817C2 (en) 1986-04-17

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Legal Events

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

Effective date: 19931212