BE444934A - - Google Patents

Info

Publication number
BE444934A
BE444934A BE444934DA BE444934A BE 444934 A BE444934 A BE 444934A BE 444934D A BE444934D A BE 444934DA BE 444934 A BE444934 A BE 444934A
Authority
BE
Belgium
Prior art keywords
membrane
weight
application
pressure
vibrations
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE444934A publication Critical patent/BE444934A/fr

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/24Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic or ultrasonic vibrations
    • G01M3/243Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic or ultrasonic vibrations for pipes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
BE444934D BE444934A (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE444934T

Publications (1)

Publication Number Publication Date
BE444934A true BE444934A (OSRAM)

Family

ID=3869722

Family Applications (2)

Application Number Title Priority Date Filing Date
BE449559D BE449559A (OSRAM)
BE444934D BE444934A (OSRAM)

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BE449559D BE449559A (OSRAM)

Country Status (1)

Country Link
BE (2) BE444934A (OSRAM)

Also Published As

Publication number Publication date
BE449559A (OSRAM)

Similar Documents

Publication Publication Date Title
EP2521904B1 (fr) Pince d'ecoute pour un outil d'aide au diagnostic vibro-acoustique utilise notamment dans le domaine automobile
JPS6327720B2 (OSRAM)
WO2003030585A1 (fr) Dispositif d'ecoute de signaux vocaux et/ou musicaux, par transmission osseuse cranienne
BE444934A (OSRAM)
US6876128B2 (en) Short-circuit noise abatement device and method for a gas ultrasonic transducer
EP0678680A1 (fr) Dispositif de filtrage de vibrations dans une commande à cable
FR2675879A1 (fr) Dispositif pour supporter une tuyauterie au passage d'une cloison et assurer l'etancheite de part et d'autres de la cloison.
US7737350B2 (en) Universal ligature suitable for many instruments
EP1341690B1 (fr) Servofrein pneumatique a vibrations reduites
EP3113905B1 (fr) Dispositif de mise en place d'un joint d'étanchéité et son utilisation
JP2012154651A (ja) 音聴棒
FR2589508A1 (fr) Self-propelling swimming pool cleaning device
FR2625780A1 (fr) Amortisseur de vibrations perfectionne
EP0194937B1 (fr) Capteur de pression à piston
CH243629A (fr) Détecteur de sons.
EP3001161B1 (fr) Dispositif de surveillance vibratoire d'une machine
BE352376A (OSRAM)
BE567935A (OSRAM)
FR2542537A1 (fr) Telephone utilisable sans l'aide des mains
FR2563883A1 (fr) Dispositif d'amortissement des vibrations dans les systemes a vide
BE465120A (OSRAM)
US2836655A (en) Listening device for detecting fluid flows
SU1704020A1 (ru) Устройство дл испытани эластичных пленок
BE343959A (OSRAM)
FR2990753A1 (fr) Dispositif de mesure de vibrations