FR842680A - Perfectionnements apportés aux appareils pour mesurer ou contrôler les dimensions de pièces - Google Patents

Perfectionnements apportés aux appareils pour mesurer ou contrôler les dimensions de pièces

Info

Publication number
FR842680A
FR842680A FR842680DA FR842680A FR 842680 A FR842680 A FR 842680A FR 842680D A FR842680D A FR 842680DA FR 842680 A FR842680 A FR 842680A
Authority
FR
France
Prior art keywords
dimensions
measuring
controlling
devices
parts
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.)
Materiel Automobile SA Const
Original Assignee
Materiel Automobile SA Const
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 Materiel Automobile SA Const filed Critical Materiel Automobile SA Const
Application granted granted Critical
Publication of FR842680A publication Critical patent/FR842680A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B13/00Measuring arrangements characterised by the use of fluids
    • G01B13/02Measuring arrangements characterised by the use of fluids for measuring length, width or thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/34Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G01F1/36Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Measuring Fluid Pressure (AREA)
FR842680D 1938-02-19 1938-02-19 Perfectionnements apportés aux appareils pour mesurer ou contrôler les dimensions de pièces Expired FR842680A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR842680T 1938-02-19

Publications (1)

Publication Number Publication Date
FR842680A true FR842680A (fr) 1939-06-16

Family

ID=9311562

Family Applications (1)

Application Number Title Priority Date Filing Date
FR842680D Expired FR842680A (fr) 1938-02-19 1938-02-19 Perfectionnements apportés aux appareils pour mesurer ou contrôler les dimensions de pièces

Country Status (2)

Country Link
FR (1) FR842680A (fr)
GB (1) GB508828A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2486052A (en) * 1945-10-25 1949-10-25 Moore Products Co Pneumatic comparator gauge
US2778218A (en) * 1953-09-28 1957-01-22 Charles L Sault Meter and tank calibrating equipment
US2790320A (en) * 1954-01-11 1957-04-30 Acf Ind Inc Pneumatic flow-measuring device for fuel jets
US4128002A (en) * 1975-06-16 1978-12-05 Automatic Oil Tools Limited Meter proving apparatus
GB2410332A (en) * 2004-01-20 2005-07-27 Duncan Clive Selby Device for protecting a differential pressure sensor
CN106681383B (zh) * 2017-01-23 2023-07-28 中国科学院理化技术研究所 一种高精度的压力控制装置

Also Published As

Publication number Publication date
GB508828A (en) 1939-07-06

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