CH454491A - Method and device for testing parts for leaks - Google Patents

Method and device for testing parts for leaks

Info

Publication number
CH454491A
CH454491A CH659865A CH659865A CH454491A CH 454491 A CH454491 A CH 454491A CH 659865 A CH659865 A CH 659865A CH 659865 A CH659865 A CH 659865A CH 454491 A CH454491 A CH 454491A
Authority
CH
Switzerland
Prior art keywords
leaks
testing parts
testing
parts
Prior art date
Application number
CH659865A
Other languages
German (de)
Inventor
Thomas Fitzpatrick Richard
Moore Ray Jr
Original Assignee
Ajem Lab Inc
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 US375515A external-priority patent/US3314283A/en
Priority claimed from US451103A external-priority patent/US3326034A/en
Application filed by Ajem Lab Inc filed Critical Ajem Lab Inc
Priority to CH1180165A priority Critical patent/CH481375A/en
Publication of CH454491A publication Critical patent/CH454491A/en

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
    • G07C3/14—Quality control systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
    • 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
    • G01M3/3263—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 differential pressure detector

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Quality & Reliability (AREA)
  • Examining Or Testing Airtightness (AREA)
CH659865A 1964-06-16 1965-05-12 Method and device for testing parts for leaks CH454491A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CH1180165A CH481375A (en) 1964-06-16 1965-08-23 Device for checking parts for leaks

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US375515A US3314283A (en) 1964-06-16 1964-06-16 Leak testing method and apparatus
US42474165A 1965-01-11 1965-01-11
US451103A US3326034A (en) 1965-04-23 1965-04-23 Leak testing apparatus

Publications (1)

Publication Number Publication Date
CH454491A true CH454491A (en) 1968-04-15

Family

ID=27409253

Family Applications (1)

Application Number Title Priority Date Filing Date
CH659865A CH454491A (en) 1964-06-16 1965-05-12 Method and device for testing parts for leaks

Country Status (6)

Country Link
BE (2) BE663745A (en)
CH (1) CH454491A (en)
DE (2) DE1473670B2 (en)
FR (2) FR1442575A (en)
GB (2) GB1082736A (en)
SE (2) SE317824B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1047349B (en) * 1975-10-07 1980-09-10 Gastaldo R PROCEDURE AND AUTOMATIC DEVICE FOR SEALING CAVITY TEST

Also Published As

Publication number Publication date
DE1473670A1 (en) 1969-03-13
FR1442575A (en) 1966-06-17
BE663745A (en) 1965-11-12
DE1473670B2 (en) 1971-05-13
GB1082736A (en) 1967-09-13
FR88691E (en) 1967-03-10
BE668676A (en) 1966-02-23
DE1473673A1 (en) 1969-11-20
SE318129B (en) 1969-12-01
GB1121151A (en) 1968-07-24
SE317824B (en) 1969-11-24

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