FR839526A - Appareil permettant de transformer des variations de pression en variations de grandeurs électriques - Google Patents

Appareil permettant de transformer des variations de pression en variations de grandeurs électriques

Info

Publication number
FR839526A
FR839526A FR839526DA FR839526A FR 839526 A FR839526 A FR 839526A FR 839526D A FR839526D A FR 839526DA FR 839526 A FR839526 A FR 839526A
Authority
FR
France
Prior art keywords
variations
electrical quantities
transforming pressure
transforming
pressure variations
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
Application number
Other languages
English (en)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR839526A publication Critical patent/FR839526A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
    • G01L23/08—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically
    • G01L23/10—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically by pressure-sensitive members of the piezoelectric type

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR839526D 1937-06-22 1938-06-20 Appareil permettant de transformer des variations de pression en variations de grandeurs électriques Expired FR839526A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB839526X 1937-06-22

Publications (1)

Publication Number Publication Date
FR839526A true FR839526A (fr) 1939-04-05

Family

ID=10554451

Family Applications (1)

Application Number Title Priority Date Filing Date
FR839526D Expired FR839526A (fr) 1937-06-22 1938-06-20 Appareil permettant de transformer des variations de pression en variations de grandeurs électriques

Country Status (1)

Country Link
FR (1) FR839526A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0065511A1 (fr) * 1981-05-20 1982-11-24 List, Hans Instrument de mesure avec un élément de détection piézoélectrique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0065511A1 (fr) * 1981-05-20 1982-11-24 List, Hans Instrument de mesure avec un élément de détection piézoélectrique

Similar Documents

Publication Publication Date Title
FR839526A (fr) Appareil permettant de transformer des variations de pression en variations de grandeurs électriques
GB513929A (en) Method and apparatus for making paper
GB537922A (en) Improvements in or relating to electrical transformer apparatus
FR828097A (fr) Appareil permettant d'effectuer la rééducation des muscles
GB509398A (en) Improvements in retroactive valve apparatus
FR851444A (fr) Dispositif permettant de convertir des variations de pression en variations de capacité
AT182146B (de) Vorrichtung zur Überwachung des Druckes in einem ölgefüllten Kabel
FR769670A (fr) Appareil concasseur
GB506399A (en) Improvements in or relating to perforating apparatus or machines
FR839190A (fr) Appareil pour fumer
FR853784A (fr) Appareil pour la mesure des faibles différences de pression
AU103161B2 (en) Improvements in or relating to electrical measuring apparatus
FR758191A (fr) Soupape pour appareils respiratoires
FR838075A (fr) Appareil pour retourner ou culbuter des laminés
CA367515A (fr) Dispositif de sortie electrique
CA367516A (fr) Dispositif de sortie electrique
AU41037A (en) Improvements in or relating to electrical measuring apparatus
AU104046B2 (en) Improvements in and relating to apparatus for deodorizing fluids
FR833549A (fr) Appareil anti-ptosique perfectionné
FR840640A (fr) Perfectionnement aux dispositifs de mesure des pressions
FR844705A (fr) Régulateur de pression constante
FR48641E (fr) Appareil micrométrique pour faciliter le captage des ondes de t.s.f.
CA363194A (fr) Appareil de justification
FR845586A (fr) Appareil perfectionné pour vérifier le débit des pompes
AU210437A (en) Improvements in and relating to apparatus for deodorizing fluids