JPS49118487A - - Google Patents

Info

Publication number
JPS49118487A
JPS49118487A JP49005195A JP519574A JPS49118487A JP S49118487 A JPS49118487 A JP S49118487A JP 49005195 A JP49005195 A JP 49005195A JP 519574 A JP519574 A JP 519574A JP S49118487 A JPS49118487 A JP S49118487A
Authority
JP
Japan
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
JP49005195A
Other versions
JPS5237799B2 (ja
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 filed Critical
Publication of JPS49118487A publication Critical patent/JPS49118487A/ja
Publication of JPS5237799B2 publication Critical patent/JPS5237799B2/ja
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)
JP49005195A 1973-01-08 1974-01-07 Expired JPS5237799B2 (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
JPS49118487A true JPS49118487A (ja) 1974-11-12
JPS5237799B2 JPS5237799B2 (ja) 1977-09-24

Family

ID=23251618

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49005195A Expired JPS5237799B2 (ja) 1973-01-08 1974-01-07

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
US10458879B2 (en) 2014-10-24 2019-10-29 Proactive Analytics 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
JPS5237799B2 (ja) 1977-09-24
IN140395B (ja) 1976-10-30
DE2400637B2 (de) 1977-05-05
CA1010726A (en) 1977-05-24
FR2213496A1 (ja) 1974-08-02
IT1005247B (it) 1976-08-20
FR2213496B1 (ja) 1978-10-27
DE2400637A1 (de) 1974-07-11
GB1392690A (en) 1975-04-30
BR7400055D0 (pt) 1974-08-15

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