BR0313704A - Aparelho de medição de vazão de gás térmico com indicador de qualidade de gás - Google Patents

Aparelho de medição de vazão de gás térmico com indicador de qualidade de gás

Info

Publication number
BR0313704A
BR0313704A BR0313704-0A BR0313704A BR0313704A BR 0313704 A BR0313704 A BR 0313704A BR 0313704 A BR0313704 A BR 0313704A BR 0313704 A BR0313704 A BR 0313704A
Authority
BR
Brazil
Prior art keywords
gas
meter
consumption
measuring
energy
Prior art date
Application number
BR0313704-0A
Other languages
English (en)
Inventor
Daniel Matter
Rolf Luchsinger
Beat Kramer
Bruno Sabbattini
Original Assignee
Ems Patent Ag
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 Ems Patent Ag filed Critical Ems Patent Ag
Publication of BR0313704A publication Critical patent/BR0313704A/pt

Links

Classifications

    • 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
    • G01F15/04—Compensating or correcting for variations in pressure, density or temperature of gases to be measured
    • 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
    • G01F1/68—Measuring 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 thermal effects
    • G01F1/696—Circuits therefor, e.g. constant-current flow meters
    • G01F1/6965—Circuits therefor, e.g. constant-current flow meters comprising means to store calibration data for flow signal calculation or correction
    • 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
    • G01F1/68—Measuring 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 thermal effects
    • 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
    • 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
    • G01F15/04—Compensating or correcting for variations in pressure, density or temperature of gases to be measured
    • G01F15/043—Compensating or correcting for variations in pressure, density or temperature of gases to be measured using electrical means
    • G01F15/046—Compensating or correcting for variations in pressure, density or temperature of gases to be measured using electrical means involving digital counting
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
    • G01F25/15—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters specially adapted for gas meters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/22—Fuels; Explosives
    • G01N33/225—Gaseous fuels, e.g. natural gas

Landscapes

  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measuring Volume Flow (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Details Of Flowmeters (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

"APARELHO DE MEDIçãO DE VAZãO DE GáS TéRMICO COM INDICADOR DE QUALIDADE DE GáS". A presente invenção refere-se a um processo e a um dispositivo para a medição de um consumo de gás por meio de um contador de gás (1). Um contador de gás (1) com sensor de vazão (1a) térmico para determinação de sinais de fluxo de massa (S~ M~) e com uma calibração como aparelho de medição de energia para emissão de sinais de valor de energia (S~ E~) é conhecido. De acordo com a invenção pelo contador de gás (1) é determinado um tipo de gás na medida em que misturas de gás (3) combustíveis e não combustíveis são distinguidas. O contador de gás (1) é operado, no caso de mistura de gás (3)não combustível com calibração em unidades de massa e de volume normatizado (I/min) e, no caso de mistura de gás (3) combustível, com calibração em unidades de energia (kWh). Exemplos de execução se referem, entre outros a: medição de um parâmetro de gás (<sym>, alfa, c, <sym>) do gás (3) para determinação do tipo de gás; sensor de qualidade de gás (1a) com estrutura idêntica a sensor de vazão (1a) térmico; intervalos de medição prolongados com gás (3) não combustível e encurtados com gás (3) combustível. Vantagens são, entre outros: medição de energia confiável devido a distinção automática entre gás (3) não compensável e gás útil (3) de alto valor; identificação de tentativas de manipulação; e acompanhamento automático de valor calorífico mesmo sem medição de valor calorífico.
BR0313704-0A 2002-08-22 2003-07-22 Aparelho de medição de vazão de gás térmico com indicador de qualidade de gás BR0313704A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02405715A EP1391703B1 (de) 2002-08-22 2002-08-22 Thermisches Gasdurchfluss-Messgerät mit Gasqualitätsindikator
PCT/CH2003/000492 WO2004018976A2 (de) 2002-08-22 2003-07-22 Thermisches gasdurchfluss-messgerät mit gasqualitätsindikator

Publications (1)

Publication Number Publication Date
BR0313704A true BR0313704A (pt) 2005-07-12

Family

ID=30775913

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0313704-0A BR0313704A (pt) 2002-08-22 2003-07-22 Aparelho de medição de vazão de gás térmico com indicador de qualidade de gás

Country Status (13)

Country Link
US (1) US7399118B2 (pt)
EP (1) EP1391703B1 (pt)
JP (1) JP4365787B2 (pt)
KR (1) KR100857159B1 (pt)
AT (1) ATE352770T1 (pt)
AU (1) AU2003290747B8 (pt)
BR (1) BR0313704A (pt)
CA (1) CA2496489A1 (pt)
DE (1) DE50209352D1 (pt)
NO (1) NO20050866L (pt)
NZ (1) NZ538262A (pt)
RU (1) RU2297601C2 (pt)
WO (1) WO2004018976A2 (pt)

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EP2574918B1 (de) * 2011-09-28 2014-12-10 Mems Ag Mikrothermisches Verfahren und Sensor zur Bestimmung physikalischer Gaseigenschaften
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Also Published As

Publication number Publication date
ATE352770T1 (de) 2007-02-15
NZ538262A (en) 2008-01-31
NO20050866L (no) 2005-03-22
DE50209352D1 (de) 2007-03-15
KR20050058449A (ko) 2005-06-16
AU2003290747B8 (en) 2008-10-02
JP2006501442A (ja) 2006-01-12
KR100857159B1 (ko) 2008-09-05
RU2005105041A (ru) 2005-10-10
CA2496489A1 (en) 2004-03-04
WO2004018976A3 (de) 2004-04-22
US7399118B2 (en) 2008-07-15
AU2003290747B2 (en) 2008-09-11
AU2003290747A1 (en) 2004-03-11
EP1391703B1 (de) 2007-01-24
EP1391703A1 (de) 2004-02-25
WO2004018976A2 (de) 2004-03-04
RU2297601C2 (ru) 2007-04-20
US20060179936A1 (en) 2006-08-17
JP4365787B2 (ja) 2009-11-18

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Legal Events

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 8A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2160 DE 29/05/2012.