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FR1219895A - Level measuring apparatus and method - Google Patents

Level measuring apparatus and method

Info

Publication number
FR1219895A
FR1219895A FR791883A FR791883A FR1219895A FR 1219895 A FR1219895 A FR 1219895A FR 791883 A FR791883 A FR 791883A FR 791883 A FR791883 A FR 791883A FR 1219895 A FR1219895 A FR 1219895A
Authority
FR
France
Prior art keywords
measuring apparatus
level measuring
level
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
FR791883A
Other languages
French (fr)
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.)
Scully Signal Co
Original Assignee
Scully Signal 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 Scully Signal Co filed Critical Scully Signal Co
Application granted granted Critical
Publication of FR1219895A publication Critical patent/FR1219895A/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
    • G01F23/28—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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
FR791883A 1958-04-28 1959-04-13 Level measuring apparatus and method Expired FR1219895A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1219895XA 1958-04-28 1958-04-28

Publications (1)

Publication Number Publication Date
FR1219895A true FR1219895A (en) 1960-05-20

Family

ID=22399916

Family Applications (1)

Application Number Title Priority Date Filing Date
FR791883A Expired FR1219895A (en) 1958-04-28 1959-04-13 Level measuring apparatus and method

Country Status (1)

Country Link
FR (1) FR1219895A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1069411A1 (en) * 1999-07-10 2001-01-17 SONOTEC Dr. zur Horst-Meyer und Münch OHG Device for measuring continuously the level in fuel tanks
EP1081470A1 (en) * 1999-09-04 2001-03-07 Mannesmann VDO AG Apparatus for the measurement of liquid level in a tank
EP1081471A1 (en) * 1999-09-04 2001-03-07 Mannesmann VDO AG Apparatus for the measurement of liquid level in a tank

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1069411A1 (en) * 1999-07-10 2001-01-17 SONOTEC Dr. zur Horst-Meyer und Münch OHG Device for measuring continuously the level in fuel tanks
EP1081470A1 (en) * 1999-09-04 2001-03-07 Mannesmann VDO AG Apparatus for the measurement of liquid level in a tank
EP1081471A1 (en) * 1999-09-04 2001-03-07 Mannesmann VDO AG Apparatus for the measurement of liquid level in a tank
US6427532B1 (en) 1999-09-04 2002-08-06 Mannesmann Vdo Ag Device for measuring a fill level of a liquid in a container
US6629457B1 (en) 1999-09-04 2003-10-07 Mannesmann Vdo Ag Device for measuring a fill level of a liquid in a container

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