FR2213496B1 - - Google Patents

Info

Publication number
FR2213496B1
FR2213496B1 FR7400619A FR7400619A FR2213496B1 FR 2213496 B1 FR2213496 B1 FR 2213496B1 FR 7400619 A FR7400619 A FR 7400619A FR 7400619 A FR7400619 A FR 7400619A FR 2213496 B1 FR2213496 B1 FR 2213496B1
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
FR7400619A
Other languages
French (fr)
Other versions
FR2213496A1 (ja
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.)
Cross Co
Original Assignee
Cross 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 US321691A external-priority patent/US3872712A/en
Application filed by Cross Co filed Critical Cross Co
Publication of FR2213496A1 publication Critical patent/FR2213496A1/fr
Application granted granted Critical
Publication of FR2213496B1 publication Critical patent/FR2213496B1/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
    • 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
    • G01M3/32—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 containers, e.g. radiators
    • G01M3/3236—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 containers, e.g. radiators by monitoring the interior space of the containers
    • G01M3/3254—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 containers, e.g. radiators by monitoring the interior space of the containers using a flow detector

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
FR7400619A 1973-01-08 1974-01-08 Expired FR2213496B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US321691A US3872712A (en) 1971-11-18 1973-01-08 Dynamic air flow comparator system

Publications (2)

Publication Number Publication Date
FR2213496A1 FR2213496A1 (ja) 1974-08-02
FR2213496B1 true FR2213496B1 (ja) 1978-10-27

Family

ID=23251618

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7400619A Expired FR2213496B1 (ja) 1973-01-08 1974-01-08

Country Status (7)

Country Link
JP (1) JPS5237799B2 (ja)
BR (1) BR7400055D0 (ja)
CA (1) CA1010726A (ja)
FR (1) FR2213496B1 (ja)
GB (1) GB1392690A (ja)
IN (1) IN140395B (ja)
IT (1) IT1005247B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016063071A1 (en) * 2014-10-24 2016-04-28 Easytesters Limited Leak testing method and apparatus for use with heat exchangers
CN113916464B (zh) * 2021-09-30 2023-11-17 广东利元亨智能装备股份有限公司 电堆串气检测方法和外泄漏检测方法，及其气密检测方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT946298B (it) * 1971-11-18 1973-05-21 Cross Co Sistema comparatore a flusso d aria dinamico

Also Published As

Publication number Publication date
DE2400637A1 (de) 1974-07-11
JPS49118487A (ja) 1974-11-12
GB1392690A (en) 1975-04-30
BR7400055D0 (pt) 1974-08-15
IT1005247B (it) 1976-08-20
FR2213496A1 (ja) 1974-08-02
DE2400637B2 (de) 1977-05-05
JPS5237799B2 (ja) 1977-09-24
IN140395B (ja) 1976-10-30
CA1010726A (en) 1977-05-24

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse