GB940474A - Method for measuring low flow rates - Google Patents

Method for measuring low flow rates

Info

Publication number
GB940474A
GB940474A GB2062862A GB2062862A GB940474A GB 940474 A GB940474 A GB 940474A GB 2062862 A GB2062862 A GB 2062862A GB 2062862 A GB2062862 A GB 2062862A GB 940474 A GB940474 A GB 940474A
Authority
GB
United Kingdom
Prior art keywords
switch
predetermined distance
resonates
pulses
resonance
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
GB2062862A
Other languages
English (en)
Inventor
Charles Fremiot
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of GB940474A publication Critical patent/GB940474A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J49/00—Particle spectrometers or separator tubes
    • H01J49/02—Details
    • H01J49/10—Ion sources; Ion guns
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/52—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring the height of the fluid level due to the lifting power of the fluid flow
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an ac
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J27/00—Ion beam tubes
    • H01J27/02—Ion sources; Ion guns
    • H01J27/022—Details

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Fluid Mechanics (AREA)
  • Plasma & Fusion (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
GB2062862A 1961-06-01 1962-05-29 Method for measuring low flow rates Expired GB940474A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR863646A FR1299578A (fr) 1961-06-01 1961-06-01 Perfectionnements apportés aux procédés et dispositifs pour mesurer de faibles débits

Publications (1)

Publication Number Publication Date
GB940474A true GB940474A (en) 1963-10-30

Family

ID=8756389

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2062862A Expired GB940474A (en) 1961-06-01 1962-05-29 Method for measuring low flow rates

Country Status (4)

Country Link
BE (1) BE618048A (fr)
FR (1) FR1299578A (fr)
GB (1) GB940474A (fr)
LU (1) LU41752A1 (fr)

Also Published As

Publication number Publication date
FR1299578A (fr) 1962-07-27
BE618048A (fr) 1962-09-17
LU41752A1 (fr) 1962-07-21

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