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IT1275825B1 - Sistema perfezionato per la misura e la regolazione della portata massica di gas - Google Patents

Sistema perfezionato per la misura e la regolazione della portata massica di gas

Info

Publication number
IT1275825B1
IT1275825B1 IT95MI002233A ITMI952233A IT1275825B1 IT 1275825 B1 IT1275825 B1 IT 1275825B1 IT 95MI002233 A IT95MI002233 A IT 95MI002233A IT MI952233 A ITMI952233 A IT MI952233A IT 1275825 B1 IT1275825 B1 IT 1275825B1
Authority
IT
Italy
Prior art keywords
regulation
measurement
flow rate
mass flow
improved system
Prior art date
Application number
IT95MI002233A
Other languages
English (en)
Inventor
Lorenzo Bergamini
Original Assignee
Nuovo Pignone Spa
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 Nuovo Pignone Spa filed Critical Nuovo Pignone Spa
Priority to IT95MI002233A priority Critical patent/IT1275825B1/it
Publication of ITMI952233A0 publication Critical patent/ITMI952233A0/it
Priority to US08/738,774 priority patent/US5927321A/en
Priority to EP96203011A priority patent/EP0772027A3/en
Publication of ITMI952233A1 publication Critical patent/ITMI952233A1/it
Application granted granted Critical
Publication of IT1275825B1 publication Critical patent/IT1275825B1/it

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
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84—Coriolis or gyroscopic mass flowmeters
    • G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
    • G01F1/8431—Coriolis or gyroscopic mass flowmeters constructional details electronic circuits
    • 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
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84—Coriolis or gyroscopic mass flowmeters
    • G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
    • G01F1/8436—Coriolis or gyroscopic mass flowmeters constructional details signal processing
    • 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
    • G01F1/88—Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure with differential-pressure measurement 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
    • G01F15/04—Compensating or correcting for variations in pressure, density or temperature of gases to be measured
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/06—Control of flow characterised by the use of electric means
    • G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
    • G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
    • G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
    • G05D7/0641—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means using a plurality of throttling means
    • G05D7/0664—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means using a plurality of throttling means the plurality of throttling means being arranged for the control of a plurality of diverging flows from a single flow
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/265—Plural outflows
    • Y10T137/2657—Flow rate responsive
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7737—Thermal responsive
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7758—Pilot or servo controlled
    • Y10T137/7759—Responsive to change in rate of fluid flow
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7758—Pilot or servo controlled
    • Y10T137/7761—Electrically actuated valve

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Automation & Control Theory (AREA)
  • Flow Control (AREA)
  • Measuring Volume Flow (AREA)
IT95MI002233A 1995-10-30 1995-10-30 Sistema perfezionato per la misura e la regolazione della portata massica di gas IT1275825B1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT95MI002233A IT1275825B1 (it) 1995-10-30 1995-10-30 Sistema perfezionato per la misura e la regolazione della portata massica di gas
US08/738,774 US5927321A (en) 1995-10-30 1996-10-29 System for measuring and controlling gas mass flow
EP96203011A EP0772027A3 (en) 1995-10-30 1996-10-29 Improved system for measuring and controlling gas mass flow

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT95MI002233A IT1275825B1 (it) 1995-10-30 1995-10-30 Sistema perfezionato per la misura e la regolazione della portata massica di gas

Publications (3)

Publication Number Publication Date
ITMI952233A0 ITMI952233A0 (it) 1995-10-30
ITMI952233A1 ITMI952233A1 (it) 1997-04-30
IT1275825B1 true IT1275825B1 (it) 1997-10-17

Family

ID=11372448

Family Applications (1)

Application Number Title Priority Date Filing Date
IT95MI002233A IT1275825B1 (it) 1995-10-30 1995-10-30 Sistema perfezionato per la misura e la regolazione della portata massica di gas

Country Status (3)

Country Link
US (1) US5927321A (it)
EP (1) EP0772027A3 (it)
IT (1) IT1275825B1 (it)

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US6516651B1 (en) * 1999-07-22 2003-02-11 Analog Devices, Inc. Coriolis effect transducer
US6471487B2 (en) * 2001-01-31 2002-10-29 Micro Motion, Inc. Fluid delivery system
US6418954B1 (en) 2001-04-17 2002-07-16 Mks Instruments, Inc. System and method for dividing flow
US6752166B2 (en) * 2001-05-24 2004-06-22 Celerity Group, Inc. Method and apparatus for providing a determined ratio of process fluids
US20030098069A1 (en) * 2001-11-26 2003-05-29 Sund Wesley E. High purity fluid delivery system
US6606917B2 (en) * 2001-11-26 2003-08-19 Emerson Electric Co. High purity coriolis mass flow controller
US6766260B2 (en) * 2002-01-04 2004-07-20 Mks Instruments, Inc. Mass flow ratio system and method
JP2007051002A (ja) * 2005-08-19 2007-03-01 Kyocera Mita Corp 用紙カセット
US7621302B2 (en) * 2007-09-28 2009-11-24 Airgas, Inc. Coriolis dosing system for filling gas cylinders
US7693606B2 (en) * 2007-12-21 2010-04-06 Rosemount Inc. Diagnostics for mass flow control
EP2280903B1 (en) * 2008-06-03 2013-02-13 Gilbarco Inc. Dispensing equipment utilizing coriolis flow meters
EP2706425B1 (en) * 2008-06-26 2020-09-23 Belparts Flow control system
US9389111B2 (en) 2010-03-11 2016-07-12 Measurement Technology Group, Inc. Dynamic-adaptive vapor reduction system and method
KR101802380B1 (ko) * 2011-06-08 2017-11-28 마이크로 모우션, 인코포레이티드 진동계를 통한 유체 정압을 결정 및 제어하기 위한 방법 및 장치
CN102331340B (zh) * 2011-06-22 2013-09-04 浙江春晖智能控制股份有限公司 一种燃气温控阀的测试装置
US9904296B2 (en) * 2014-04-01 2018-02-27 Honeywell International Inc. Controlling flow in a fluid distribution system
CN103940482B (zh) * 2014-04-29 2016-09-14 安徽理工大学 科里奥利粉体质量流量计
WO2024068678A1 (en) * 2022-09-26 2024-04-04 Mbv Ag Method and bioanalytical device for controlling a fluid flow

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4149254A (en) * 1975-06-25 1979-04-10 American Chain & Cable Co., Inc. Method and apparatus for flow metering
EP0061856B1 (en) * 1981-04-01 1987-08-26 LUCAS INDUSTRIES public limited company Measurement of air mass flow into an internal combustion engine
US4823613A (en) * 1986-10-03 1989-04-25 Micro Motion, Inc. Density insensitive coriolis mass flow rate meter
US5044208A (en) * 1987-03-18 1991-09-03 Neptune Measurement Company Double-pigtail-shaped, Coriolis-type mass flow rate meter
US5080131A (en) * 1989-09-26 1992-01-14 Lintec Co., Ltd. Mass flow controller
US5537914A (en) * 1989-10-04 1996-07-23 Micro-Blend, Inc. Beverage blending and proportioning
US5072416A (en) * 1990-01-16 1991-12-10 Calibron Systems, Inc. Method and apparatus for calibrating a flowmeter using a master meter and a prover
US5190068A (en) * 1992-07-02 1993-03-02 Brian Philbin Control apparatus and method for controlling fluid flows and pressures
GB9215043D0 (en) * 1992-07-15 1992-08-26 Flow Inc K Fluid mass flow meters
CH684657A5 (de) * 1993-02-16 1994-11-15 Landis & Gyr Tech Innovat Verfahren und Einrichtung zur Erfassung des Durchflusses in einem Leitungsrohr.
US5392656A (en) * 1993-09-14 1995-02-28 Lew; Hyok S. Nonvibrating conduit inertia force flowmeter
US5586574A (en) * 1994-03-03 1996-12-24 Smith; Dean E. Air system control
US5488969A (en) * 1994-11-04 1996-02-06 Gas Research Institute Metering valve

Also Published As

Publication number Publication date
ITMI952233A0 (it) 1995-10-30
EP0772027A3 (en) 1998-07-29
US5927321A (en) 1999-07-27
EP0772027A2 (en) 1997-05-07
ITMI952233A1 (it) 1997-04-30

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