BRPI0409574A - dispositivo de pressão diferencial para um arranjo medidor de gás que compreende uma geometria de escoamento melhorada - Google Patents

dispositivo de pressão diferencial para um arranjo medidor de gás que compreende uma geometria de escoamento melhorada

Info

Publication number
BRPI0409574A
BRPI0409574A BRPI0409574-0A BRPI0409574A BRPI0409574A BR PI0409574 A BRPI0409574 A BR PI0409574A BR PI0409574 A BRPI0409574 A BR PI0409574A BR PI0409574 A BRPI0409574 A BR PI0409574A
Authority
BR
Brazil
Prior art keywords
differential pressure
pressure device
flow
gas
gas meter
Prior art date
Application number
BRPI0409574-0A
Other languages
English (en)
Inventor
Daniel Matter
Thomas Kleiner
Beat Kramer
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 BRPI0409574A publication Critical patent/BRPI0409574A/pt

Links

Classifications

    • 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
    • G01F1/05—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 mechanical effects
    • G01F1/34—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 mechanical effects by measuring pressure or differential pressure
    • G01F1/36—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 mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/40—Details of construction of the flow constriction devices
    • 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
    • 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
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • 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
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/6842—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow with means for influencing the fluid flow
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F5/00—Measuring a proportion of the volume flow

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)

Abstract

"DISPOSITIVO DE PRESSãO DIFERENCIAL PARA UM ARRANJO MEDIDOR DE GáS QUE COMPREENDE UMA GEOMETRIA DE ESCOAMENTO MELHORADA". A presente invenção refere-se a um dispositivo de pressão diferencial (4) e um arranjo medidor de gás (1) para medir de maneira precisa um consumo de gás (6a) por meio de um medidor de gás (2). Um medidor de gás conhecido anteriormente (2) é colocado em um contorno (3) que compreende um dispositivo de pressão diferencial (4) no tubo de gás (5) para medir uma vazão volumétrica (dV/dt, 6a) dentro do tubo de gás (5). De acordo com a invenção, o dispositivo de pressão diferencial (4) compreende dutos de escoamento (40) que tem diâmetros decrescentes (D~ 1~>D~ 2~>D~ 3~>D~ 4~) quando a posição radial (R~ 1~<R~ 2~<R~ 3~) aumenta, começando de um eixo central (A) do dispositivo da pressão diferencial (4). Exemplos de execução incluem portas de entrada (41) e/ou portas de saída (42) dos dutos de escoamento (40) que são fornecidas com um ângulo escareado específico (a), e um arranjo concêntrico eqüidistante de dutos de escoamento (40) na área de seção transversal (Q) do dispositivo de pressão diferencial (4). A invenção tem a vantagem de aumentar a pressão diferencial (4) em uma baixa vazão em volume (dV/dt, 6a), reduzindo a pressão diferencial (4) na vazão em volume elevada (dV/dt, 6a) e criando genericamente uma linearidade melhorada através de toda a faixa de medição entre a vazão de volume (6b) no contorno (3) e a vazão em volume (dV/dt, 6a) no tubo de gás (5), entre outras coisas.
BRPI0409574-0A 2003-04-15 2004-04-13 dispositivo de pressão diferencial para um arranjo medidor de gás que compreende uma geometria de escoamento melhorada BRPI0409574A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10317166A DE10317166A1 (de) 2003-04-15 2003-04-15 Gaszähleranordnung mit verbesserter Strömungsgeometrie
PCT/CH2004/000222 WO2004092687A1 (de) 2003-04-15 2004-04-13 Differenzdruckmittel für eine gaszähleranordnung mit verbesserter strömungsgeometrie

Publications (1)

Publication Number Publication Date
BRPI0409574A true BRPI0409574A (pt) 2006-04-18

Family

ID=33103373

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0409574-0A BRPI0409574A (pt) 2003-04-15 2004-04-13 dispositivo de pressão diferencial para um arranjo medidor de gás que compreende uma geometria de escoamento melhorada

Country Status (10)

Country Link
US (2) US7464611B2 (pt)
EP (2) EP1613928B1 (pt)
JP (1) JP4637088B2 (pt)
KR (1) KR20050118732A (pt)
CN (1) CN100373138C (pt)
BR (1) BRPI0409574A (pt)
DE (1) DE10317166A1 (pt)
NO (1) NO20055203L (pt)
RU (1) RU2369843C2 (pt)
WO (1) WO2004092687A1 (pt)

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Also Published As

Publication number Publication date
RU2369843C2 (ru) 2009-10-10
CN100373138C (zh) 2008-03-05
US20090090195A1 (en) 2009-04-09
EP1613928A1 (de) 2006-01-11
US20070163356A1 (en) 2007-07-19
JP2006523827A (ja) 2006-10-19
NO20055203L (no) 2005-11-04
DE10317166A1 (de) 2004-11-04
EP1613928B1 (de) 2013-01-23
US7464611B2 (en) 2008-12-16
JP4637088B2 (ja) 2011-02-23
RU2005130863A (ru) 2006-05-27
US7698958B2 (en) 2010-04-20
KR20050118732A (ko) 2005-12-19
WO2004092687A1 (de) 2004-10-28
EP2068129A1 (de) 2009-06-10
CN1774616A (zh) 2006-05-17

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

Free format text: REFERENTE A 7A 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 2139 DE 03/01/2012.