FR1408436A - Appareil détecteur de masse - Google Patents

Appareil détecteur de masse

Info

Publication number
FR1408436A
FR1408436A FR984777A FR984777A FR1408436A FR 1408436 A FR1408436 A FR 1408436A FR 984777 A FR984777 A FR 984777A FR 984777 A FR984777 A FR 984777A FR 1408436 A FR1408436 A FR 1408436A
Authority
FR
France
Prior art keywords
detector device
mass detector
mass
detector
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
FR984777A
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.)
Automation Products Inc
Original Assignee
Automation Products 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 US381610A external-priority patent/US3339400A/en
Application filed by Automation Products Inc filed Critical Automation Products Inc
Priority to FR984777A priority Critical patent/FR1408436A/fr
Application granted granted Critical
Publication of FR1408436A publication Critical patent/FR1408436A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves
    • G01F23/2966—Acoustic waves making use of acoustical resonance or standing waves
    • G01F23/2967—Acoustic waves making use of acoustical resonance or standing waves for discrete levels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
    • G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
    • G01G3/16—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing measuring variations of frequency of oscillations of the body
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
    • G01N2009/006—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis vibrating tube, tuning fork

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
FR984777A 1963-08-12 1964-08-11 Appareil détecteur de masse Expired FR1408436A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR984777A FR1408436A (fr) 1963-08-12 1964-08-11 Appareil détecteur de masse

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US30125063A 1963-08-12 1963-08-12
US381610A US3339400A (en) 1963-08-12 1964-07-06 Mass presence sensing apparatus
FR984777A FR1408436A (fr) 1963-08-12 1964-08-11 Appareil détecteur de masse

Publications (1)

Publication Number Publication Date
FR1408436A true FR1408436A (fr) 1965-08-13

Family

ID=27248208

Family Applications (1)

Application Number Title Priority Date Filing Date
FR984777A Expired FR1408436A (fr) 1963-08-12 1964-08-11 Appareil détecteur de masse

Country Status (1)

Country Link
FR (1) FR1408436A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005085770A2 (fr) * 2004-03-05 2005-09-15 Endress+Hauser Gmbh+Co. Kg Dispositif pour determiner et/ou surveiller une variable de processus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005085770A2 (fr) * 2004-03-05 2005-09-15 Endress+Hauser Gmbh+Co. Kg Dispositif pour determiner et/ou surveiller une variable de processus
WO2005085770A3 (fr) * 2004-03-05 2005-10-13 Endress & Hauser Gmbh & Co Kg Dispositif pour determiner et/ou surveiller une variable de processus
CN100422695C (zh) * 2004-03-05 2008-10-01 恩德莱斯和豪瑟尔两合公司 用于确定和/或监控过程变量的装置
US7886602B2 (en) 2004-03-05 2011-02-15 Endress + Hauser Gmbh + Co. Kg Apparatus for determining and/or monitoring a process variable

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