GB8324864D0 - Minute gas flow detector - Google Patents

Minute gas flow detector

Info

Publication number
GB8324864D0
GB8324864D0 GB838324864A GB8324864A GB8324864D0 GB 8324864 D0 GB8324864 D0 GB 8324864D0 GB 838324864 A GB838324864 A GB 838324864A GB 8324864 A GB8324864 A GB 8324864A GB 8324864 D0 GB8324864 D0 GB 8324864D0
Authority
GB
United Kingdom
Prior art keywords
gas flow
flow detector
minute gas
minute
detector
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.)
Granted
Application number
GB838324864A
Other versions
GB2128341B (en
GB2128341A (en
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.)
Ricoh Seiki Co Ltd
Ricoh Co Ltd
Original Assignee
Ricoh Seiki Co Ltd
Ricoh Co Ltd
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 Ricoh Seiki Co Ltd, Ricoh Co Ltd filed Critical Ricoh Seiki Co Ltd
Publication of GB8324864D0 publication Critical patent/GB8324864D0/en
Publication of GB2128341A publication Critical patent/GB2128341A/en
Application granted granted Critical
Publication of GB2128341B publication Critical patent/GB2128341B/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
    • G01F3/00—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow
    • G01F3/02—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement
    • G01F3/20—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement having flexible movable walls, e.g. diaphragms, bellows
    • G01F3/22—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement having flexible movable walls, e.g. diaphragms, bellows for gases
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/06—Indicating or recording devices
    • 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
    • G01F1/10—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 using rotating vanes with axial admission
    • G01F1/115—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 using rotating vanes with axial admission with magnetic or electromagnetic coupling to the indicating device
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/14—Casings, e.g. of special material

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Measuring Volume Flow (AREA)
  • Details Of Flowmeters (AREA)
GB08324864A 1982-09-20 1983-09-16 Indicating gas flow Expired GB2128341B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982142388U JPS5945525U (en) 1982-09-20 1982-09-20 Micro flow rate operation detection device for gas meters

Publications (3)

Publication Number Publication Date
GB8324864D0 true GB8324864D0 (en) 1983-10-19
GB2128341A GB2128341A (en) 1984-04-26
GB2128341B GB2128341B (en) 1986-03-12

Family

ID=15314200

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08324864A Expired GB2128341B (en) 1982-09-20 1983-09-16 Indicating gas flow

Country Status (4)

Country Link
JP (1) JPS5945525U (en)
KR (2) KR840006406A (en)
GB (1) GB2128341B (en)
HK (1) HK43391A (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB492973A (en) * 1937-04-29 1938-09-30 Charles Leslie Stokoe A rotary flow indicator and alarm
GB621338A (en) * 1947-02-19 1949-04-07 Alexander & Sons Ltd Stephen Improvements in or relating to fluid flow indicators
BE486925A (en) * 1948-01-23 1949-02-15
BE560059A (en) * 1956-08-14
GB1102475A (en) * 1963-08-20 1968-02-07 Sangamo Weston Improvements in or relating to the measurement of electric power supply
GB1310270A (en) * 1969-07-03 1973-03-14 Rockwell Mfg Co Rotary fluid meters
JPS5682522U (en) * 1979-11-15 1981-07-03

Also Published As

Publication number Publication date
JPS5945525U (en) 1984-03-26
KR840006406A (en) 1984-11-29
GB2128341B (en) 1986-03-12
KR920001428Y1 (en) 1992-02-24
JPH0412421Y2 (en) 1992-03-25
HK43391A (en) 1991-06-14
GB2128341A (en) 1984-04-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990916