CA985929A - Method and apparatus for pressure and flow measurement - Google Patents

Method and apparatus for pressure and flow measurement

Info

Publication number
CA985929A
CA985929A CA144,679A CA144679A CA985929A CA 985929 A CA985929 A CA 985929A CA 144679 A CA144679 A CA 144679A CA 985929 A CA985929 A CA 985929A
Authority
CA
Canada
Prior art keywords
pressure
flow measurement
measurement
flow
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
CA144,679A
Other languages
English (en)
Other versions
CA144679S (en
Inventor
Heini Ernst
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Application granted granted Critical
Publication of CA985929A publication Critical patent/CA985929A/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
    • 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
    • G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
    • 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
    • G01F1/68—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 thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/6842—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow with means for influencing the fluid flow

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Measuring Fluid Pressure (AREA)
CA144,679A 1971-07-26 1972-06-14 Method and apparatus for pressure and flow measurement Expired CA985929A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1096071A CH541136A (de) 1971-07-26 1971-07-26 Verfahren und Vorrichtung zur Druck- und Strömungsmessung

Publications (1)

Publication Number Publication Date
CA985929A true CA985929A (en) 1976-03-23

Family

ID=4368617

Family Applications (1)

Application Number Title Priority Date Filing Date
CA144,679A Expired CA985929A (en) 1971-07-26 1972-06-14 Method and apparatus for pressure and flow measurement

Country Status (11)

Country Link
BE (1) BE786691A (fr)
CA (1) CA985929A (fr)
CH (1) CH541136A (fr)
DD (1) DD99441A5 (fr)
DE (1) DE2236691A1 (fr)
ES (1) ES405108A1 (fr)
FR (1) FR2147167B1 (fr)
GB (1) GB1385595A (fr)
IL (1) IL39678A0 (fr)
IT (1) IT956008B (fr)
NL (1) NL7208048A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4163390A (en) * 1977-04-14 1979-08-07 Rodder Jerome A Bipolar fluid measuring apparatus
DE3307126A1 (de) * 1983-03-01 1983-10-06 Esdorn Horst Verfahren und einrichtungen zur stetigen und dreipunkt-messung kleinster differenzdruecke
JPH0627598B2 (ja) * 1986-08-13 1994-04-13 三菱重工業株式会社 冷凍装置における圧力センサの故障診断方法
DE4026998A1 (de) * 1990-08-27 1991-03-14 Erhard Luginsland Vorrichtung zur stetigen kontrolle der druckverhaeltnisse zwischen bereichen mit unterschiedlichen anforderungen an die luftqualitaet
IT201800005288A1 (it) * 2018-05-11 2019-11-11 Macchina per emodialisi provvista di un sistema di misura della portata di un liquido e relativo metodo di funzionamento

Also Published As

Publication number Publication date
GB1385595A (en) 1975-02-26
CH541136A (de) 1973-08-31
IT956008B (it) 1973-10-10
DD99441A5 (fr) 1973-08-05
NL7208048A (fr) 1973-01-30
BE786691A (fr) 1973-01-25
FR2147167B1 (fr) 1976-03-12
IL39678A0 (en) 1972-08-30
DE2236691A1 (de) 1973-02-08
FR2147167A1 (fr) 1973-03-09
ES405108A1 (es) 1975-07-16

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