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SE405042B - Vetskenivametare - Google Patents

Vetskenivametare

Info

Publication number
SE405042B
SE405042B SE7406636A SE7406636A SE405042B SE 405042 B SE405042 B SE 405042B SE 7406636 A SE7406636 A SE 7406636A SE 7406636 A SE7406636 A SE 7406636A SE 405042 B SE405042 B SE 405042B
Authority
SE
Sweden
Prior art keywords
level meters
hydrogen level
hydrogen
meters
level
Prior art date
Application number
SE7406636A
Other languages
English (en)
Inventor
D G J Fanshawe
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of SE405042B publication Critical patent/SE405042B/sv

Links

Classifications

    • 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 or 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 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
    • G01F23/24Indicating 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
    • G01F23/241Indicating 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
    • G01F23/243Schematic arrangements of probes combined with measuring circuits
    • G01F23/244Schematic arrangements of probes combined with measuring circuits comprising oscillating circuits
    • 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 or 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 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
    • G01F23/28Indicating 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
    • G01F23/296Acoustic waves
    • G01F23/2966Acoustic waves making use of acoustical resonance or standing waves

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Level Indicators Using A Float (AREA)
SE7406636A 1973-05-21 1974-05-20 Vetskenivametare SE405042B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2407073A GB1406146A (en) 1973-05-21 1973-05-21 Level sensor

Publications (1)

Publication Number Publication Date
SE405042B true SE405042B (sv) 1978-11-13

Family

ID=10205898

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7406636A SE405042B (sv) 1973-05-21 1974-05-20 Vetskenivametare

Country Status (8)

Country Link
US (1) US3944994A (sv)
JP (1) JPS5538610B2 (sv)
CA (1) CA1010139A (sv)
DE (1) DE2424326C2 (sv)
FR (1) FR2230981B1 (sv)
GB (1) GB1406146A (sv)
NL (1) NL7406551A (sv)
SE (1) SE405042B (sv)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4123753A (en) * 1976-09-29 1978-10-31 Marine Moisture Control Company, Inc. Ullage measuring device
JPS5274167U (sv) * 1976-10-28 1977-06-02
JPS55135696A (en) * 1979-04-11 1980-10-22 Tokyo Shibaura Electric Co Device for automatically turning booklets
US4280126A (en) * 1979-05-14 1981-07-21 Chemetron Corporation Liquid level detector
US4750359A (en) * 1979-06-29 1988-06-14 Phillips Petroleum Company Viscometer
JPS5655292A (en) * 1979-10-15 1981-05-15 Tokyo Shibaura Electric Co Automatic turning device for booklet
DE3336991A1 (de) * 1983-10-11 1985-05-02 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Vorrichtung zur feststellung und/oder ueberwachung eines vorbestimmten fuellstands in einem behaelter
US4733560A (en) * 1983-10-24 1988-03-29 Introtek International, Inc. Liquid sensing system
JPS6116895A (ja) * 1984-07-02 1986-01-24 オムロン株式会社 通帳のペ−ジ捲り装置
FR2572519B1 (fr) * 1984-10-25 1989-09-22 Jaeger Detecteur de niveau a transducteur electro-mecanique
US4656384A (en) * 1984-10-25 1987-04-07 Siemens Aktiengesellschaft Ultrasonic detection sensor in hybrid structure with appertaining electronic circuit
DE3504397A1 (de) * 1985-02-08 1986-08-14 Helmut 8044 Unterschleißheim Wildgruber Vorrichtung zur herstellung von fliessestrich
US4964090A (en) * 1989-07-19 1990-10-16 Trw, Inc. Ultrasonic fluid level sensor
DE3931453C1 (sv) * 1989-09-21 1991-02-28 Endress U. Hauser Gmbh U. Co, 7864 Maulburg, De
US5578994A (en) * 1994-05-25 1996-11-26 Milltronics Ltd. Liquid level switch
US5895848A (en) * 1996-01-16 1999-04-20 Flowline Inc. Apparatus and method for level sensing in a container
DE19651362C1 (de) * 1996-12-10 1998-06-10 Endress Hauser Gmbh Co Vorrichtung zur Überwachung eines vorbestimmten Füllstands in einem Behälter
US6505509B2 (en) 2000-03-07 2003-01-14 Honeywell International Inc. Apparatus and method for measuring the level of a fluid
US7177458B1 (en) * 2000-09-10 2007-02-13 Orbotech Ltd. Reduction of false alarms in PCB inspection
US7043969B2 (en) * 2002-10-18 2006-05-16 Symyx Technologies, Inc. Machine fluid sensor and method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1912213A (en) * 1927-03-11 1933-05-30 Wired Radio Inc Stress measuring
DE1773815C3 (de) * 1968-07-10 1984-05-30 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Vorrichtung zur Feststellung des Erreichens eines vorbestimmten Füllstands in einem Behälter
US3745384A (en) * 1972-01-07 1973-07-10 Bendix Corp Resonant pressure sensor
US3766616A (en) * 1972-03-22 1973-10-23 Statek Corp Microresonator packaging and tuning

Also Published As

Publication number Publication date
NL7406551A (sv) 1974-11-25
CA1010139A (en) 1977-05-10
DE2424326C2 (de) 1981-10-08
US3944994A (en) 1976-03-16
DE2424326A1 (de) 1974-12-19
FR2230981A1 (sv) 1974-12-20
FR2230981B1 (sv) 1980-01-25
JPS5028863A (sv) 1975-03-24
JPS5538610B2 (sv) 1980-10-06
GB1406146A (en) 1975-09-17

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