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GB1556099A - Variable orifice gas flow sensing head - Google Patents

Variable orifice gas flow sensing head

Info

Publication number
GB1556099A
GB1556099A GB2087977A GB2087977A GB1556099A GB 1556099 A GB1556099 A GB 1556099A GB 2087977 A GB2087977 A GB 2087977A GB 2087977 A GB2087977 A GB 2087977A GB 1556099 A GB1556099 A GB 1556099A
Authority
GB
United Kingdom
Prior art keywords
gas flow
sensing head
flow sensing
variable orifice
orifice gas
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
GB2087977A
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.)
Japan Science and Technology Agency
Original Assignee
Research Development Corp of Japan
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 Research Development Corp of Japan filed Critical Research Development Corp of Japan
Priority to GB2087977A priority Critical patent/GB1556099A/en
Publication of GB1556099A publication Critical patent/GB1556099A/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
    • G01F1/05—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
    • G01F1/34—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 pressure or differential pressure
    • G01F1/36—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 pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/40—Details of construction of the flow constriction devices
    • G01F1/42—Orifices or nozzles

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
GB2087977A 1977-05-18 1977-05-18 Variable orifice gas flow sensing head Expired GB1556099A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2087977A GB1556099A (en) 1977-05-18 1977-05-18 Variable orifice gas flow sensing head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2087977A GB1556099A (en) 1977-05-18 1977-05-18 Variable orifice gas flow sensing head

Publications (1)

Publication Number Publication Date
GB1556099A true GB1556099A (en) 1979-11-21

Family

ID=10153294

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2087977A Expired GB1556099A (en) 1977-05-18 1977-05-18 Variable orifice gas flow sensing head

Country Status (1)

Country Link
GB (1) GB1556099A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185112A (en) * 1985-11-18 1987-07-08 Morgan Ltd P K Respiratory flow rate measurement

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185112A (en) * 1985-11-18 1987-07-08 Morgan Ltd P K Respiratory flow rate measurement
GB2185112B (en) * 1985-11-18 1989-10-04 P K Morgan Limited Apparatus for measuring respiratory flow rate

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19970517