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BRPI0703836A2 - sensor de fluxo de dupla obstruÇço - Google Patents

sensor de fluxo de dupla obstruÇço

Info

Publication number
BRPI0703836A2
BRPI0703836A2 BRPI0703836-4A BRPI0703836A BRPI0703836A2 BR PI0703836 A2 BRPI0703836 A2 BR PI0703836A2 BR PI0703836 A BRPI0703836 A BR PI0703836A BR PI0703836 A2 BRPI0703836 A2 BR PI0703836A2
Authority
BR
Brazil
Prior art keywords
flow sensor
double
obstruction
obstruction flow
main body
Prior art date
Application number
BRPI0703836-4A
Other languages
English (en)
Inventor
Jorge Bonassa
Original Assignee
Intermed Equipamento Medico Hospitalar Ltda
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 Intermed Equipamento Medico Hospitalar Ltda filed Critical Intermed Equipamento Medico Hospitalar Ltda
Priority to BRPI0703836A priority Critical patent/BRPI0703836B8/pt
Priority to US12/205,063 priority patent/US7798016B2/en
Publication of BRPI0703836A2 publication Critical patent/BRPI0703836A2/pt
Publication of BRPI0703836B1 publication Critical patent/BRPI0703836B1/pt
Publication of BRPI0703836B8 publication Critical patent/BRPI0703836B8/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
    • G01F1/42—Orifices or nozzles
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

SENSOR DE FLUXO DE DUPLA OBSTRUÇçO. A presente invenção refere-se a um sensor de fluxo de dupla obstrução que revela uma estrutura simples e inovadora, capaz de promover uma série de vantagens e efeitos técnicos novos através da combinação de elementos de obstrução fixo e variável. Mais particularmente, a presente invenção compreende um corpo principal anterior (12) e um corpo principal (40), encaixados um ao outro de modo a pressionar dois elementos de obstrução, o primeiro do tipo fixo (30) e o segundo do tipo variável (50), de modo a obter o aumento da sensibilidade e menor ruído de perturbação, sendo especialmente útil no monitoramento de pacientes durante longos períodos.
BRPI0703836A 2007-09-06 2007-09-06 sensor de fluxo de dupla obstrução BRPI0703836B8 (pt)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BRPI0703836A BRPI0703836B8 (pt) 2007-09-06 2007-09-06 sensor de fluxo de dupla obstrução
US12/205,063 US7798016B2 (en) 2007-09-06 2008-09-05 Flow sensor with double obstruction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BRPI0703836A BRPI0703836B8 (pt) 2007-09-06 2007-09-06 sensor de fluxo de dupla obstrução

Publications (3)

Publication Number Publication Date
BRPI0703836A2 true BRPI0703836A2 (pt) 2009-04-28
BRPI0703836B1 BRPI0703836B1 (pt) 2018-07-03
BRPI0703836B8 BRPI0703836B8 (pt) 2018-09-18

Family

ID=40430429

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0703836A BRPI0703836B8 (pt) 2007-09-06 2007-09-06 sensor de fluxo de dupla obstrução

Country Status (2)

Country Link
US (1) US7798016B2 (pt)
BR (1) BRPI0703836B8 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2572170A1 (en) * 2010-05-17 2013-03-27 Mindray Medical Sweden AB Coaxial means for measuring a flow and a method of measuring a flow
SE535494C2 (sv) * 2010-05-17 2012-08-28 Mindray Medical Sweden Ab Koaxiellt flödesmätarelement och förfarande för att mäta ett flöde
SE534896C2 (sv) * 2010-05-17 2012-02-07 Mindray Medical Sweden Ab Flödesrestriktor samt förfarande att reducera ett flödesmotstånd
US8393228B2 (en) 2010-05-18 2013-03-12 Mindray Medical Sweden Ab Method and system for measuring a flow
US9446211B2 (en) 2013-03-14 2016-09-20 Carefusion 2200, Inc. Resuscitation device with onboard processor
US9329065B2 (en) * 2014-07-25 2016-05-03 General Electric Company Variable orifice flow sensor utilizing localized contact force
US9476744B2 (en) * 2014-10-08 2016-10-25 Dieterich Standard, Inc. Integrated orifice plate assembly
US11433211B2 (en) * 2016-03-17 2022-09-06 Zoll Medical Corporation Flow sensor for ventilation
IT201600129661A1 (it) 2016-12-21 2018-06-21 Fimcim Spa Misuratore di pressione differenziale
US11464425B2 (en) 2017-07-26 2022-10-11 Cipla Limited Flow sensing arrangement for spirometer and method thereof
US10161772B1 (en) * 2017-10-09 2018-12-25 General Electric Company Variable orifice flow sensor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4989456A (en) * 1989-11-06 1991-02-05 Bicore Monitoring Systems Variable area obstruction gas flow meter
US5925831A (en) * 1997-10-18 1999-07-20 Cardiopulmonary Technologies, Inc. Respiratory air flow sensor
US5970801A (en) * 1997-12-30 1999-10-26 Bear Medical Systems, Inc. Variable orifice flow sensor
US20030097880A1 (en) * 2001-11-29 2003-05-29 Ciobanu Calin I. Multi-stage variable orifice flow obstruction sensor
US7021798B2 (en) * 2002-10-21 2006-04-04 Efraim Tsimerman Dental mirror
US7270143B2 (en) * 2005-03-16 2007-09-18 The General Electric Company Offset variable-orifice flow sensor
US7337678B2 (en) * 2005-12-09 2008-03-04 General Electric Company MEMS flow sensor
US7654154B2 (en) * 2008-03-21 2010-02-02 Dieterich Standard, Inc. Conditioning orifice plate with pipe wall passages

Also Published As

Publication number Publication date
US20090064794A1 (en) 2009-03-12
US7798016B2 (en) 2010-09-21
BRPI0703836B1 (pt) 2018-07-03
BRPI0703836B8 (pt) 2018-09-18

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Legal Events

Date Code Title Description
B03A Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]
B25G Requested change of headquarter approved

Owner name: INTERMED - EQUIPAMENTO MEDICO HOSPITALAR LTDA. (BR

Free format text: ENDERECO ALTERADO CONFORME SOLICITADO NA PETICAO NO 018110010872/SP DE 25/03/2011.

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]
B16C Correction of notification of the grant [chapter 16.3 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 03/07/2018, OBSERVADAS AS CONDICOES LEGAIS. (CO) REFERENTE A RPI 2478 DE 03/07/2018, QUANTO AO ENDERECO DA DEPOSITANTE.