JPH0115802B2 - - Google Patents

Info

Publication number
JPH0115802B2
JPH0115802B2 JP55111991A JP11199180A JPH0115802B2 JP H0115802 B2 JPH0115802 B2 JP H0115802B2 JP 55111991 A JP55111991 A JP 55111991A JP 11199180 A JP11199180 A JP 11199180A JP H0115802 B2 JPH0115802 B2 JP H0115802B2
Authority
JP
Japan
Prior art keywords
flow rate
integrating
circuit
pulse signal
value
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
JP55111991A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5735712A (en
Inventor
Takeshi Abe
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 Co Ltd
Original Assignee
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 Co Ltd filed Critical Ricoh Co Ltd
Priority to JP11199180A priority Critical patent/JPS5735712A/ja
Priority to US06/208,318 priority patent/US4437336A/en
Publication of JPS5735712A publication Critical patent/JPS5735712A/ja
Publication of JPH0115802B2 publication Critical patent/JPH0115802B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G01F15/07—Integration to give total flow, e.g. using mechanically-operated integrating mechanism
    • G01F15/075—Integration to give total flow, e.g. using mechanically-operated integrating mechanism using electrically-operated integrating means
    • G01F15/0755—Integration to give total flow, e.g. using mechanically-operated integrating mechanism using electrically-operated integrating means involving digital counting
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Details Of Flowmeters (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
JP11199180A 1979-11-20 1980-08-14 Integrating meter Granted JPS5735712A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP11199180A JPS5735712A (en) 1980-08-14 1980-08-14 Integrating meter
US06/208,318 US4437336A (en) 1979-11-20 1980-11-19 Device of integrating a small amount of flow of fluid for leak detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11199180A JPS5735712A (en) 1980-08-14 1980-08-14 Integrating meter

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP63036349A Division JPS63241309A (ja) 1988-02-18 1988-02-18 漏洩警告装置

Publications (2)

Publication Number Publication Date
JPS5735712A JPS5735712A (en) 1982-02-26
JPH0115802B2 true JPH0115802B2 (enrdf_load_stackoverflow) 1989-03-20

Family

ID=14575199

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11199180A Granted JPS5735712A (en) 1979-11-20 1980-08-14 Integrating meter

Country Status (1)

Country Link
JP (1) JPS5735712A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58205812A (ja) * 1982-05-25 1983-11-30 Mitsubishi Electric Corp プラント診断装置
JPH084628Y2 (ja) * 1989-09-21 1996-02-07 三菱電機株式会社 分離式電力量計
CN105759855B (zh) * 2016-02-25 2018-06-29 玉环县红日阀门有限公司 水管微漏监控装置及其微漏监控方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5741754Y2 (enrdf_load_stackoverflow) * 1974-04-10 1982-09-13
JPS5382454A (en) * 1976-12-28 1978-07-20 Tokyo Gas Co Ltd Detecting apparatus for momentary flow rate from volume pulse signals
JPS5383773A (en) * 1976-12-29 1978-07-24 Osaki Denki Kougiyou Kk Wattthour meter
JPS5466593U (enrdf_load_stackoverflow) * 1977-10-19 1979-05-11

Also Published As

Publication number Publication date
JPS5735712A (en) 1982-02-26

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