NL59970C - - Google Patents

Info

Publication number
NL59970C
NL59970C NL59970DA NL59970C NL 59970 C NL59970 C NL 59970C NL 59970D A NL59970D A NL 59970DA NL 59970 C NL59970 C NL 59970C
Authority
NL
Netherlands
Application number
Publication of NL59970C publication Critical patent/NL59970C/xx

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
    • 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
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
    • G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Fluid Mechanics (AREA)
NL59970D NL59970C (en)

Publications (1)

Publication Number Publication Date
NL59970C true NL59970C (en)

Family

ID=1815473

Family Applications (1)

Application Number Title Priority Date Filing Date
NL59970D NL59970C (en)

Country Status (1)

Country Link
NL (1) NL59970C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3217307A (en) * 1959-07-17 1965-11-09 Gen Electric Linear motion-producing device with position indicator
US3285183A (en) * 1964-12-01 1966-11-15 Haganhem Company Inc Control assembly for oil well pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3217307A (en) * 1959-07-17 1965-11-09 Gen Electric Linear motion-producing device with position indicator
US3285183A (en) * 1964-12-01 1966-11-15 Haganhem Company Inc Control assembly for oil well pump

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