JPH0321858B2 - - Google Patents

Info

Publication number
JPH0321858B2
JPH0321858B2 JP55150172A JP15017280A JPH0321858B2 JP H0321858 B2 JPH0321858 B2 JP H0321858B2 JP 55150172 A JP55150172 A JP 55150172A JP 15017280 A JP15017280 A JP 15017280A JP H0321858 B2 JPH0321858 B2 JP H0321858B2
Authority
JP
Japan
Prior art keywords
water
pressure
clock pulse
circuit
water meter
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 - Lifetime
Application number
JP55150172A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5774635A (en
Inventor
Tadashi Saito
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP15017280A priority Critical patent/JPS5774635A/ja
Publication of JPS5774635A publication Critical patent/JPS5774635A/ja
Publication of JPH0321858B2 publication Critical patent/JPH0321858B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
    • G01M3/243—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations for pipes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Measuring Volume Flow (AREA)
JP15017280A 1980-10-28 1980-10-28 Water meter Granted JPS5774635A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15017280A JPS5774635A (en) 1980-10-28 1980-10-28 Water meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15017280A JPS5774635A (en) 1980-10-28 1980-10-28 Water meter

Publications (2)

Publication Number Publication Date
JPS5774635A JPS5774635A (en) 1982-05-10
JPH0321858B2 true JPH0321858B2 (cs) 1991-03-25

Family

ID=15491069

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15017280A Granted JPS5774635A (en) 1980-10-28 1980-10-28 Water meter

Country Status (1)

Country Link
JP (1) JPS5774635A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101905758B1 (ko) * 2016-08-02 2018-10-10 주식회사 포스코 리크량 측정 장치

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50104079A (cs) * 1974-01-16 1975-08-16
JPS5583831A (en) * 1978-12-20 1980-06-24 Fuji Sangyo Kk Leak inspection object pipe line search method of liquid conduit line and its unit

Also Published As

Publication number Publication date
JPS5774635A (en) 1982-05-10

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