NL7806940A - DEVICE FOR MEASURING THE DENSITY OF GAS FORMED MEDIA. - Google Patents

DEVICE FOR MEASURING THE DENSITY OF GAS FORMED MEDIA.

Info

Publication number
NL7806940A
NL7806940A NL7806940A NL7806940A NL7806940A NL 7806940 A NL7806940 A NL 7806940A NL 7806940 A NL7806940 A NL 7806940A NL 7806940 A NL7806940 A NL 7806940A NL 7806940 A NL7806940 A NL 7806940A
Authority
NL
Netherlands
Prior art keywords
density
measuring
gas formed
formed media
media
Prior art date
Application number
NL7806940A
Other languages
Dutch (nl)
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of NL7806940A publication Critical patent/NL7806940A/en

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D1/00—Measuring arrangements giving results other than momentary value of variable, of general application
    • G01D1/16—Measuring arrangements giving results other than momentary value of variable, of general application giving a value which is a function of two or more values, e.g. product or ratio
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/02—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning
    • G01L9/06—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of piezo-resistive devices
    • G01L9/065—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of piezo-resistive devices with temperature compensating means

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)
  • Measuring Fluid Pressure (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
NL7806940A 1977-07-01 1978-06-28 DEVICE FOR MEASURING THE DENSITY OF GAS FORMED MEDIA. NL7806940A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH809777A CH616743A5 (en) 1977-07-01 1977-07-01 Device for measuring the density of gaseous media.

Publications (1)

Publication Number Publication Date
NL7806940A true NL7806940A (en) 1979-01-03

Family

ID=4335108

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7806940A NL7806940A (en) 1977-07-01 1978-06-28 DEVICE FOR MEASURING THE DENSITY OF GAS FORMED MEDIA.

Country Status (6)

Country Link
JP (1) JPS5414270A (en)
CH (1) CH616743A5 (en)
DE (1) DE2736946A1 (en)
FR (1) FR2396283A1 (en)
NL (1) NL7806940A (en)
SU (1) SU884587A3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2914037C2 (en) * 1979-04-06 1983-12-08 Siemens AG, 1000 Berlin und 8000 München Device for rendering ineffective deviations in the output voltage of a pressure transducer in magnetic tape recorders caused by temperature fluctuations
JPS5686331A (en) * 1979-12-17 1981-07-14 Toshiba Corp Measuring device of gas density
JPS59184819A (en) * 1983-04-06 1984-10-20 Hitachi Ltd Semiconductor pressure sensor
JPS63206634A (en) * 1987-02-24 1988-08-25 Toshiba Corp Gas density sensor
FR2872572B1 (en) * 2004-06-30 2006-09-22 Commissariat Energie Atomique TESTING THE SEALING OF MEMS OR SMALL ENCAPSULATED COMPONENTS
RU2531043C1 (en) * 2013-07-26 2014-10-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Тверской государственный технический университет" Laboratory analyser of gas density

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3162043A (en) * 1960-08-12 1964-12-22 Giannini Controls Corp Compensated air density computer
FR1366909A (en) * 1963-06-05 1964-07-17 Bagneux S A Atel Const Device for calculating air density and its application to helicopters
FR1467112A (en) * 1965-12-08 1967-01-27 Thomson Houston Comp Francaise Improvements to methods and devices for determining the density of a gas
US3862568A (en) * 1972-06-22 1975-01-28 Itt Method of and apparatus for producing fluid gravity and density analogs and flowmeters incorporating gravitometers
AT331539B (en) * 1972-10-25 1976-08-25 Kratky Otto Dr Dr E H DEVICE FOR MEASURING DENSITY
US3967188A (en) * 1973-05-24 1976-06-29 Bell & Howell Company Temperature compensation circuit for sensor of physical variables such as temperature and pressure

Also Published As

Publication number Publication date
JPS6147371B2 (en) 1986-10-18
FR2396283A1 (en) 1979-01-26
DE2736946A1 (en) 1979-01-18
CH616743A5 (en) 1980-04-15
SU884587A3 (en) 1981-11-23
JPS5414270A (en) 1979-02-02

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Legal Events

Date Code Title Description
BV The patent application has lapsed