FR2178861B1 - - Google Patents

Info

Publication number
FR2178861B1
FR2178861B1 FR7305325A FR7305325A FR2178861B1 FR 2178861 B1 FR2178861 B1 FR 2178861B1 FR 7305325 A FR7305325 A FR 7305325A FR 7305325 A FR7305325 A FR 7305325A FR 2178861 B1 FR2178861 B1 FR 2178861B1
Authority
FR
France
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
FR7305325A
Other languages
French (fr)
Other versions
FR2178861A1 (nl
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.)
M&J Development Co
Original Assignee
M&J Development Co
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
Priority claimed from US00242125A external-priority patent/US3835695A/en
Application filed by M&J Development Co filed Critical M&J Development Co
Publication of FR2178861A1 publication Critical patent/FR2178861A1/fr
Application granted granted Critical
Publication of FR2178861B1 publication Critical patent/FR2178861B1/fr
Expired 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
    • G01M3/26—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
    • G01M3/2876—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 valves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
    • G01F25/11—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters using a seal ball or piston in a test loop

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Examining Or Testing Airtightness (AREA)
FR7305325A 1972-04-07 1973-02-15 Expired FR2178861B1 (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US00242125A US3835695A (en) 1972-01-20 1972-04-07 Meter proving apparatus and method
US27444172A 1972-07-24 1972-07-24

Publications (2)

Publication Number Publication Date
FR2178861A1 FR2178861A1 (nl) 1973-11-16
FR2178861B1 true FR2178861B1 (nl) 1976-05-14

Family

ID=26934846

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7305325A Expired FR2178861B1 (nl) 1972-04-07 1973-02-15

Country Status (7)

Country Link
JP (1) JPS5222555B2 (nl)
AU (1) AU449102B2 (nl)
CA (1) CA1004092A (nl)
FR (1) FR2178861B1 (nl)
GB (1) GB1378627A (nl)
IT (1) IT990528B (nl)
NL (1) NL152645B (nl)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5525486Y2 (nl) * 1974-02-13 1980-06-19
JPS5529159Y2 (nl) * 1974-02-20 1980-07-11
JPS52147490A (en) * 1976-06-02 1977-12-07 Showa Tetsukou Kk Gas leak detection mechanism for safety breake valve and the like
JPS56110032A (en) * 1980-02-05 1981-09-01 Nippon Kanken Kogyo Kk Inspecting method for water leakage from buried pipe
JPH0721314B2 (ja) * 1986-12-09 1995-03-08 本田技研工業株式会社 車両用油圧式変速機
JPH0260650U (nl) * 1988-10-28 1990-05-07
EP3109473B1 (en) 2015-06-26 2021-03-10 Danfoss A/S Vane cell machine
ES2731358T3 (es) 2015-06-26 2019-11-15 Danfoss As Disposición de máquina hidráulica
ES2922769T3 (es) 2015-06-26 2022-09-20 Danfoss As Máquina hidráulica
CN108844697B (zh) * 2018-07-11 2023-12-19 山东科瑞油气装备有限公司 一种双头泥浆枪压力测试工具
CN115307824B (zh) * 2022-10-11 2023-01-24 山东旭扬新能源有限公司 一种led路灯用的密封性测试装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2749536A (en) * 1953-09-16 1956-06-05 Sperling Gustav Electrically operated leak detector

Also Published As

Publication number Publication date
CA1004092A (en) 1977-01-25
GB1378627A (en) 1974-12-27
JPS5222555B2 (nl) 1977-06-17
NL152645B (nl) 1977-03-15
FR2178861A1 (nl) 1973-11-16
NL7301786A (nl) 1973-10-09
DE2317301A1 (de) 1973-10-18
AU5176373A (en) 1974-06-06
JPS4910785A (nl) 1974-01-30
AU449102B2 (en) 1974-06-06
DE2317301B2 (de) 1975-09-04
IT990528B (it) 1975-07-10

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Legal Events

Date Code Title Description
ST Notification of lapse