NL270568A - - Google Patents

Info

Publication number
NL270568A
NL270568A NL270568DA NL270568A NL 270568 A NL270568 A NL 270568A NL 270568D A NL270568D A NL 270568DA NL 270568 A NL270568 A NL 270568A
Authority
NL
Netherlands
Application number
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.)
Publication of NL270568A publication Critical patent/NL270568A/xx

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
    • G01N9/10—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials
    • G01N9/12—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials by observing the depth of immersion of the bodies, e.g. hydrometers
    • G01N9/16—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials by observing the depth of immersion of the bodies, e.g. hydrometers the body being pivoted
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/86—Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure
    • G01F1/90—Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure with positive-displacement meter or turbine meter to determine the volume flow
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/02—Compensating or correcting for variations in pressure, density or temperature
    • G01F15/022—Compensating or correcting for variations in pressure, density or temperature using electrical means
    • G01F15/024—Compensating or correcting for variations in pressure, density or temperature using electrical means involving digital counting
    • 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
    • G01N9/10—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/22—Analogue/digital converters pattern-reading type

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Level Indicators Using A Float (AREA)
  • Measuring Volume Flow (AREA)
NL270568D 1960-10-25 NL270568A (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64876A US3184975A (en) 1960-10-25 1960-10-25 Digital measuring instrument and densimeter

Publications (1)

Publication Number Publication Date
NL270568A true NL270568A (cs)

Family

ID=22058798

Family Applications (1)

Application Number Title Priority Date Filing Date
NL270568D NL270568A (cs) 1960-10-25

Country Status (3)

Country Link
US (1) US3184975A (cs)
GB (1) GB999625A (cs)
NL (1) NL270568A (cs)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3320805A (en) * 1964-02-05 1967-05-23 Gpe Controls Inc Data collection system
US3425274A (en) * 1966-03-30 1969-02-04 Halliburton Co Flowmeter measuring system
US3839911A (en) * 1970-03-18 1974-10-08 Halliburton Co Fluid flow metering method and system
US3964317A (en) * 1973-04-23 1976-06-22 Foxboro/Trans-Sonics, Inc. Densimeter
GB2348507B (en) * 1999-03-31 2002-09-25 Sondex Ltd Fluid density measurement device
US7116098B1 (en) 2006-02-16 2006-10-03 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration System providing limit switch function with simultaneous absolute position output

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734188A (en) * 1956-02-07 jacobs
US2680241A (en) * 1949-06-02 1954-06-01 Darrin H Gridley Position indication device
US2730698A (en) * 1951-03-26 1956-01-10 Sperry Rand Corp Position indicating apparatus
US2831348A (en) * 1953-08-14 1958-04-22 Kritz Jack Apparatus for suppressing undesirable modes in ultrasonic flowmeters
US2974525A (en) * 1953-09-08 1961-03-14 Jr Howard W Cole Flowmeter with specific gravity compensator
US2770798A (en) * 1953-11-24 1956-11-13 Ibm Methods and apparatus for measuring angular movement
US2934825A (en) * 1956-05-24 1960-05-03 Philips Corp Apparatus for measuring angles
US2891403A (en) * 1956-12-20 1959-06-23 David M Potter Specific gravity meter
US2943487A (en) * 1957-11-01 1960-07-05 David M Potter Mass flow meter using tandem rotors

Also Published As

Publication number Publication date
US3184975A (en) 1965-05-25
GB999625A (en) 1965-07-28

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