DK513081A - Apparat og fremgangsmaade til at detektere smaa aendringer i et vaeskeniveau i en lagertank - Google Patents

Apparat og fremgangsmaade til at detektere smaa aendringer i et vaeskeniveau i en lagertank

Info

Publication number
DK513081A
DK513081A DK513081A DK513081A DK513081A DK 513081 A DK513081 A DK 513081A DK 513081 A DK513081 A DK 513081A DK 513081 A DK513081 A DK 513081A DK 513081 A DK513081 A DK 513081A
Authority
DK
Denmark
Prior art keywords
level
procedure
storage tank
small changes
detect small
Prior art date
Application number
DK513081A
Other languages
English (en)
Inventor
L A Baillie
F J Senese
Original Assignee
Atlantic Richfield Co
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 Atlantic Richfield Co filed Critical Atlantic Richfield Co
Publication of DK513081A publication Critical patent/DK513081A/da

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
    • G01F23/28—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
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • 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
    • G01F23/30—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 floats
    • G01F23/64—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 floats of the free float type without mechanical transmission elements
    • G01F23/68—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 floats of the free float type without mechanical transmission elements using electrically actuated indicating means
    • G01F23/70—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 floats of the free float type without mechanical transmission elements using electrically actuated indicating means for sensing changes in level only at discrete points
    • 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
    • G01F23/30—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 floats
    • G01F23/76—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 floats characterised by the construction of the float

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Level Indicators Using A Float (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
DK513081A 1980-11-20 1981-11-19 Apparat og fremgangsmaade til at detektere smaa aendringer i et vaeskeniveau i en lagertank DK513081A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20860880A 1980-11-20 1980-11-20

Publications (1)

Publication Number Publication Date
DK513081A true DK513081A (da) 1982-05-21

Family

ID=22775247

Family Applications (1)

Application Number Title Priority Date Filing Date
DK513081A DK513081A (da) 1980-11-20 1981-11-19 Apparat og fremgangsmaade til at detektere smaa aendringer i et vaeskeniveau i en lagertank

Country Status (10)

Country Link
EP (2) EP0168842A3 (da)
JP (1) JPS57114820A (da)
BR (1) BR8107472A (da)
CA (1) CA1174869A (da)
DE (1) DE3174140D1 (da)
DK (1) DK513081A (da)
ES (2) ES507299A0 (da)
MX (1) MX151798A (da)
NO (1) NO813907L (da)
SE (1) SE8106553L (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61205032U (da) * 1985-06-13 1986-12-24
FI93396C (fi) * 1993-08-17 1995-03-27 Petetronic Tmi P Kinnunen Optinen menetelmä nesteen pinnankorkeuden mittaamiseksi

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR934118A (fr) * 1946-10-02 1948-05-12 Procédé et installation pour le jaugeage des liquides
US3085434A (en) * 1958-11-19 1963-04-16 Texas Instruments Inc Floating roof tank gauge
FR1236092A (fr) * 1959-06-04 1960-07-15 Transport Petrol Par Pipeline Dispositif indicateur de niveau, en particulier pour mélanges de fluides de densités différentes
DE1225924B (de) * 1963-08-24 1966-09-29 Krohne Fa Ludwig Leckanzeigeeinrichtung fuer Fluessigkeitslager-behaelter
US3580055A (en) * 1968-10-25 1971-05-25 Kent Moore Corp Tank system tightness tester
US3805613A (en) * 1971-07-29 1974-04-23 L Stone Liquid level indicator
US4186591A (en) * 1978-11-27 1980-02-05 Mooney Joseph R Device for and method of detecting leaks in a liquid storage reservoir
DE3009549C2 (de) * 1979-07-18 1987-01-15 Walter 2000 Hamburg Nicolai Einrichtung zur selbsttätigen Anzeige von Mengenänderungen in Flüssigkeitsbehältern
US4300388A (en) * 1979-10-12 1981-11-17 Sun Oil Company Of Pennsylvania Method for leakage measurement

Also Published As

Publication number Publication date
EP0168842A3 (en) 1986-04-02
ES8304303A1 (es) 1983-02-16
NO813907L (no) 1982-05-21
DE3174140D1 (en) 1986-04-24
CA1174869A (en) 1984-09-25
EP0168842A2 (en) 1986-01-22
BR8107472A (pt) 1982-08-10
ES507299A0 (es) 1983-02-16
EP0052960B1 (en) 1986-03-19
ES516547A0 (es) 1983-10-01
ES8309006A1 (es) 1983-10-01
JPS57114820A (en) 1982-07-16
MX151798A (es) 1985-03-18
EP0052960A1 (en) 1982-06-02
SE8106553L (sv) 1982-05-21

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment