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 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 (en) 1971-07-26 1971-07-26 Method and device for pressure and flow measurement

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 (en)
CA (1) CA985929A (en)
CH (1) CH541136A (en)
DD (1) DD99441A5 (en)
DE (1) DE2236691A1 (en)
ES (1) ES405108A1 (en)
FR (1) FR2147167B1 (en)
GB (1) GB1385595A (en)
IL (1) IL39678A0 (en)
IT (1) IT956008B (en)
NL (1) NL7208048A (en)

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 (en) * 1983-03-01 1983-10-06 Esdorn Horst Process and devices for the continuous and three-point measurement of very small differential pressures
JPH0627598B2 (en) * 1986-08-13 1994-04-13 三菱重工業株式会社 Failure diagnosis method for pressure sensor in refrigeration system
DE4026998A1 (en) * 1990-08-27 1991-03-14 Erhard Luginsland Monitor for continuous pressure ratio between two regions - contains temp. sensors before and after heater in connecting line
IT201800005288A1 (en) * 2018-05-11 2019-11-11 MACHINE FOR HEMODIALYSIS EQUIPPED WITH A SYSTEM FOR MEASURING THE FLOW RATE OF A LIQUID AND RELATIVE METHOD OF OPERATION

Also Published As

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

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