FR681642A - Long distance electric indicator of liquid levels - Google Patents

Long distance electric indicator of liquid levels

Info

Publication number
FR681642A
FR681642A FR681642DA FR681642A FR 681642 A FR681642 A FR 681642A FR 681642D A FR681642D A FR 681642DA FR 681642 A FR681642 A FR 681642A
Authority
FR
France
Prior art keywords
long distance
liquid levels
electric indicator
distance electric
indicator
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
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.)
MAXIMALL APP FABRIK PAUL WILLM
Original Assignee
MAXIMALL APP FABRIK PAUL WILLM
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 MAXIMALL APP FABRIK PAUL WILLM filed Critical MAXIMALL APP FABRIK PAUL WILLM
Application granted granted Critical
Publication of FR681642A publication Critical patent/FR681642A/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
    • G01F23/30—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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
FR681642D 1929-08-13 1929-09-11 Long distance electric indicator of liquid levels Expired FR681642A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE681642X 1929-08-13

Publications (1)

Publication Number Publication Date
FR681642A true FR681642A (en) 1930-05-16

Family

ID=6596975

Family Applications (1)

Application Number Title Priority Date Filing Date
FR681642D Expired FR681642A (en) 1929-08-13 1929-09-11 Long distance electric indicator of liquid levels

Country Status (1)

Country Link
FR (1) FR681642A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2416059A (en) * 1942-10-24 1947-02-18 Evershed Vignoles Ltd Electrical apparatus for indicating liquid levels
FR2653555A1 (en) * 1989-10-24 1991-04-26 Jaeger Optical device for measuring the level of a liquid in a tank, by collecting and guiding the light from a source

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2416059A (en) * 1942-10-24 1947-02-18 Evershed Vignoles Ltd Electrical apparatus for indicating liquid levels
FR2653555A1 (en) * 1989-10-24 1991-04-26 Jaeger Optical device for measuring the level of a liquid in a tank, by collecting and guiding the light from a source

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