FR2178861A1 - - Google Patents

Info

Publication number
FR2178861A1
FR2178861A1 FR7305325A FR7305325A FR2178861A1 FR 2178861 A1 FR2178861 A1 FR 2178861A1 FR 7305325 A FR7305325 A FR 7305325A FR 7305325 A FR7305325 A FR 7305325A FR 2178861 A1 FR2178861 A1 FR 2178861A1
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.)
Granted
Application number
FR7305325A
Other languages
French (fr)
Other versions
FR2178861B1 (enrdf_load_html_response
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 (enrdf_load_html_response)

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 true FR2178861A1 (enrdf_load_html_response) 1973-11-16
FR2178861B1 FR2178861B1 (enrdf_load_html_response) 1976-05-14

Family

ID=26934846

Family Applications (1)

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

Country Status (7)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5525486Y2 (enrdf_load_html_response) * 1974-02-13 1980-06-19
JPS5529159Y2 (enrdf_load_html_response) * 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 (enrdf_load_html_response) * 1988-10-28 1990-05-07
ES2731358T3 (es) * 2015-06-26 2019-11-15 Danfoss As Disposición de máquina hidráulica
ES2866629T3 (es) 2015-06-26 2021-10-19 Danfoss As Máquina de celdas de paletas
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

Citations (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

Patent Citations (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

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
REVUE GB 'CONTROL', VOLUME 6, MARS 1963, NO. 57, PAGES 91 A 95, E.W. SINGLETON : 'CONTROL-VALVE *
SISING') *

Also Published As

Publication number Publication date
JPS5222555B2 (enrdf_load_html_response) 1977-06-17
NL152645B (nl) 1977-03-15
IT990528B (it) 1975-07-10
DE2317301B2 (de) 1975-09-04
GB1378627A (en) 1974-12-27
CA1004092A (en) 1977-01-25
NL7301786A (enrdf_load_html_response) 1973-10-09
JPS4910785A (enrdf_load_html_response) 1974-01-30
FR2178861B1 (enrdf_load_html_response) 1976-05-14
AU5176373A (en) 1974-06-06
AU449102B2 (en) 1974-06-06
DE2317301A1 (de) 1973-10-18

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Legal Events

Date Code Title Description
ST Notification of lapse