CA1105605A - Acoustical wave flowmeter - Google Patents

Acoustical wave flowmeter

Info

Publication number
CA1105605A
CA1105605A CA297,492A CA297492A CA1105605A CA 1105605 A CA1105605 A CA 1105605A CA 297492 A CA297492 A CA 297492A CA 1105605 A CA1105605 A CA 1105605A
Authority
CA
Canada
Prior art keywords
transducer
signal
fluid
acoustic
path
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
CA297,492A
Other languages
English (en)
French (fr)
Inventor
Lawrence G. Hall
Robert S. Loveland
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.)
Applied Biosystems Inc
Original Assignee
Perkin Elmer Corp
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 Perkin Elmer Corp filed Critical Perkin Elmer Corp
Application granted granted Critical
Publication of CA1105605A publication Critical patent/CA1105605A/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
    • G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • 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
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/86—Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Measuring Volume Flow (AREA)
CA297,492A 1977-02-22 1978-02-21 Acoustical wave flowmeter Expired CA1105605A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US77067777A 1977-02-22 1977-02-22
US770,677 1991-10-03

Publications (1)

Publication Number Publication Date
CA1105605A true CA1105605A (en) 1981-07-21

Family

ID=25089343

Family Applications (1)

Application Number Title Priority Date Filing Date
CA297,492A Expired CA1105605A (en) 1977-02-22 1978-02-21 Acoustical wave flowmeter

Country Status (6)

Country Link
JP (1) JPS53104270A (enrdf_load_stackoverflow)
CA (1) CA1105605A (enrdf_load_stackoverflow)
CH (1) CH628140A5 (enrdf_load_stackoverflow)
DE (1) DE2807397A1 (enrdf_load_stackoverflow)
FR (1) FR2381290A1 (enrdf_load_stackoverflow)
GB (1) GB1580524A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4596133A (en) * 1983-07-29 1986-06-24 Panametrics, Inc. Apparatus and methods for measuring fluid flow parameters
US4754650A (en) * 1983-07-29 1988-07-05 Panametrics, Inc. Apparatus and methods for measuring fluid flow parameters
US4527433A (en) * 1983-10-25 1985-07-09 General Motors Corporation Method and apparatus for measuring fluid flow
GB2282223A (en) * 1993-09-22 1995-03-29 Cyril Ward Nugent Flow measuring apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2921467A (en) * 1957-08-21 1960-01-19 Albert L Hedrich Flowmeter compensation for propagation velocity changes
US3697936A (en) * 1970-02-27 1972-10-10 Nusonics Sound velocimeter
US3751979A (en) * 1971-11-17 1973-08-14 Raytheon Co Speed measurement system
JPS49130261A (enrdf_load_stackoverflow) * 1973-04-13 1974-12-13
US4003252A (en) * 1974-08-16 1977-01-18 The Institutes Of Medical Sciences Acoustical wave flowmeter
JPS521478A (en) * 1975-06-24 1977-01-07 Fuji Electric Co Ltd Thermoresponsive type relay

Also Published As

Publication number Publication date
DE2807397A1 (de) 1978-09-21
FR2381290A1 (fr) 1978-09-15
FR2381290B1 (enrdf_load_stackoverflow) 1983-11-18
JPS6217172B2 (enrdf_load_stackoverflow) 1987-04-16
DE2807397C2 (enrdf_load_stackoverflow) 1989-03-23
GB1580524A (en) 1980-12-03
CH628140A5 (en) 1982-02-15
JPS53104270A (en) 1978-09-11

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Legal Events

Date Code Title Description
MKEX Expiry
MKEX Expiry

Effective date: 19980721