FR2719377B1 - Method for checking the tightness of an object and determining the leak rate of this object, and apparatus for implementing this method. - Google Patents

Method for checking the tightness of an object and determining the leak rate of this object, and apparatus for implementing this method.

Info

Publication number
FR2719377B1
FR2719377B1 FR9405290A FR9405290A FR2719377B1 FR 2719377 B1 FR2719377 B1 FR 2719377B1 FR 9405290 A FR9405290 A FR 9405290A FR 9405290 A FR9405290 A FR 9405290A FR 2719377 B1 FR2719377 B1 FR 2719377B1
Authority
FR
France
Prior art keywords
tightness
checking
implementing
determining
leak rate
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 - Fee Related
Application number
FR9405290A
Other languages
French (fr)
Other versions
FR2719377A1 (en
Inventor
Roger Wellinger
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR9405290A priority Critical patent/FR2719377B1/en
Priority to CH114595A priority patent/CH690461A5/en
Publication of FR2719377A1 publication Critical patent/FR2719377A1/en
Application granted granted Critical
Publication of FR2719377B1 publication Critical patent/FR2719377B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01M3/32—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
    • G01M3/3281—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 removably mounted in a test cell
    • G01M3/329—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 removably mounted in a test cell for verifying the internal pressure of closed containers
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
    • G04D7/006—Testing apparatus for complete clockworks with regard to external influences or general good working
    • G04D7/007—Testing apparatus for complete clockworks with regard to external influences or general good working with regard to the sealing of the case

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
FR9405290A 1994-04-27 1994-04-27 Method for checking the tightness of an object and determining the leak rate of this object, and apparatus for implementing this method. Expired - Fee Related FR2719377B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9405290A FR2719377B1 (en) 1994-04-27 1994-04-27 Method for checking the tightness of an object and determining the leak rate of this object, and apparatus for implementing this method.
CH114595A CH690461A5 (en) 1994-04-27 1995-04-21 A method of controlling the sealing of an object and determining the leakage of the object flow, and apparatus for implementing this method.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9405290A FR2719377B1 (en) 1994-04-27 1994-04-27 Method for checking the tightness of an object and determining the leak rate of this object, and apparatus for implementing this method.

Publications (2)

Publication Number Publication Date
FR2719377A1 FR2719377A1 (en) 1995-11-03
FR2719377B1 true FR2719377B1 (en) 1996-06-07

Family

ID=9462723

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9405290A Expired - Fee Related FR2719377B1 (en) 1994-04-27 1994-04-27 Method for checking the tightness of an object and determining the leak rate of this object, and apparatus for implementing this method.

Country Status (2)

Country Link
CH (1) CH690461A5 (en)
FR (1) FR2719377B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109578809B (en) * 2018-12-29 2024-02-06 武汉格罗夫氢能汽车有限公司 Leakage monitoring device applied to hydrogen supply system
JP7294165B2 (en) * 2020-01-24 2023-06-20 トヨタ自動車株式会社 Case airtightness evaluation method and evaluation device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2351400A1 (en) * 1976-05-10 1977-12-09 Lesieur Cotelle Sealed package testing appts. - applies vacuum to chamber around package and monitors package distortion with piezoelectric strain gauges
DE3110575A1 (en) * 1981-03-18 1982-09-30 Siemens AG, 1000 Berlin und 8000 München METHOD AND DEVICE FOR TIGHTNESS TESTING OF ELECTRICAL COMPONENTS
FR2656693A1 (en) * 1990-01-02 1991-07-05 Wellinger Roger Method for testing the leaktightness of an object, for determining the leakage flow rate from this object and apparatus for implementing this method

Also Published As

Publication number Publication date
CH690461A5 (en) 2000-09-15
FR2719377A1 (en) 1995-11-03

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Legal Events

Date Code Title Description
ST Notification of lapse