NL42950C - - Google Patents

Info

Publication number
NL42950C
NL42950C NL42950DA NL42950C NL 42950 C NL42950 C NL 42950C NL 42950D A NL42950D A NL 42950DA NL 42950 C NL42950 C NL 42950C
Authority
NL
Netherlands
Application number
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.)
Publication date
Application granted granted Critical
Publication of NL42950C publication Critical patent/NL42950C/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
    • G01F25/15—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters specially adapted for gas meters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/04—Arrangements for displaying electric variables or waveforms for producing permanent records

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
NL42950D 1934-10-18 NL42950C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA74345D DE620633C (de) 1934-10-18 1934-10-18 Einrichtung zum Vergleich des Zaehlerstandes an dem Hauptmesser im Lieferwerk und anden Verbrauchsmessern fuer Gas, Wasser und Elektrizitaet

Publications (1)

Publication Number Publication Date
NL42950C true NL42950C (enrdf_load_stackoverflow) 1937-11-15

Family

ID=6946131

Family Applications (1)

Application Number Title Priority Date Filing Date
NL42950D NL42950C (enrdf_load_stackoverflow) 1934-10-18

Country Status (2)

Country Link
DE (1) DE620633C (enrdf_load_stackoverflow)
NL (1) NL42950C (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2807631A1 (de) * 1978-02-22 1979-08-30 Seba Mess Ortungstech Verfahren zur bestimmung von undichtigkeiten von im erdboden verlegten wasserleitungen
AT374593B (de) * 1978-08-02 1984-05-10 Wien Stadt Verfahren und anordnung zur mengenmaessigen erfassung von wasserverlusten in erdverlegten rohrleitungen
DE2841674C2 (de) * 1978-09-25 1983-09-22 Heide, Gerhard, Dipl.-Ing., 4006 Erkrath Verfahren zur Überprüfung auf Leckverluste sowie dabei verwendbarer Meßschacht
US5267587A (en) * 1992-04-07 1993-12-07 Brown Geoffrey P Utilities shutoff system

Also Published As

Publication number Publication date
DE620633C (de) 1935-10-24

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