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TW200702640A - Coriolis flow rate meter with flow tube of double loop structure - Google Patents

Coriolis flow rate meter with flow tube of double loop structure

Info

Publication number
TW200702640A
TW200702640A TW094143178A TW94143178A TW200702640A TW 200702640 A TW200702640 A TW 200702640A TW 094143178 A TW094143178 A TW 094143178A TW 94143178 A TW94143178 A TW 94143178A TW 200702640 A TW200702640 A TW 200702640A
Authority
TW
Taiwan
Prior art keywords
subsection
tube
bent
section
parallel
Prior art date
Application number
TW094143178A
Other languages
English (en)
Other versions
TWI361883B (zh
Inventor
Yuichi Nakao
Original Assignee
Oval Corp
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 Oval Corp filed Critical Oval Corp
Publication of TW200702640A publication Critical patent/TW200702640A/zh
Application granted granted Critical
Publication of TWI361883B publication Critical patent/TWI361883B/zh

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
    • 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
    • G01F1/845—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits
    • G01F1/8468—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits
    • G01F1/8481—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits having loop-shaped measuring conduits, e.g. the measuring conduits form a loop with a crossing point
    • G01F1/8486—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits having loop-shaped measuring conduits, e.g. the measuring conduits form a loop with a crossing point with multiple measuring conduits
    • 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
    • G01F1/845—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits
    • G01F1/8468—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits
    • G01F1/8481—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits having loop-shaped measuring conduits, e.g. the measuring conduits form a loop with a crossing point

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
TW094143178A 2005-07-12 2005-12-07 Coriolis flow rate meter with flow tube of double loop structure TW200702640A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005202521A JP3782438B1 (ja) 2005-07-12 2005-07-12 二重ループ構造のフローチューブを備えたコリオリ流量計

Publications (2)

Publication Number Publication Date
TW200702640A true TW200702640A (en) 2007-01-16
TWI361883B TWI361883B (zh) 2012-04-11

Family

ID=36635789

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094143178A TW200702640A (en) 2005-07-12 2005-12-07 Coriolis flow rate meter with flow tube of double loop structure

Country Status (7)

Country Link
US (1) US7437950B2 (zh)
EP (1) EP1903319A4 (zh)
JP (1) JP3782438B1 (zh)
KR (1) KR100915757B1 (zh)
CN (1) CN100478652C (zh)
TW (1) TW200702640A (zh)
WO (1) WO2007007424A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3782421B2 (ja) * 2004-02-03 2006-06-07 株式会社オーバル コリオリ流量計
DE102009046043A1 (de) * 2009-10-27 2011-05-05 Endress + Hauser Flowtec Ag Messwandler vom Vibrationstyp
CN109425397B (zh) * 2017-08-25 2023-10-27 罗凡 科里奥利质量流量计及其传感器组件

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4730501A (en) * 1986-05-19 1988-03-15 Exac Corporation Single tube parallel flow coriolis mass flow sensor
DE3676708D1 (de) * 1986-10-02 1991-02-07 Krohne Ag Massendurchflussmessgeraet mit einrichtung zur ermittlung der corioliskraft.
JPH067325Y2 (ja) * 1987-06-19 1994-02-23 トキコ株式会社 質量流量計
JPH04157328A (ja) * 1990-10-19 1992-05-29 Tokico Ltd 質量流量計
US5337616A (en) * 1990-11-21 1994-08-16 Lew Hyok S Mass flowmeter
DE4138840C2 (de) * 1991-11-26 2003-02-06 Abb Patent Gmbh Halterung für ein zu durchströmendes Rohr in einem Massedurchflußmesser
US5357811A (en) * 1992-02-11 1994-10-25 Exac Corporation Single tube coriolis flow meter with floating intermediate section
DK0601256T3 (da) * 1992-11-18 1995-07-03 Flowtec Ag Massestrømsmåler, der virker efter Coriolis-princippet
US6332367B1 (en) * 1997-03-11 2001-12-25 Micro Motion, Inc. Dual loop Coriolis effect mass flowmeter
JPH11211529A (ja) * 1998-01-21 1999-08-06 Oval Corp コリオリ流量計
JP3782421B2 (ja) * 2004-02-03 2006-06-07 株式会社オーバル コリオリ流量計
JP3782422B2 (ja) * 2004-02-05 2006-06-07 株式会社オーバル コリオリ流量計

Also Published As

Publication number Publication date
JP3782438B1 (ja) 2006-06-07
EP1903319A1 (en) 2008-03-26
CN100478652C (zh) 2009-04-15
CN101163948A (zh) 2008-04-16
US7437950B2 (en) 2008-10-21
KR100915757B1 (ko) 2009-09-04
KR20070118615A (ko) 2007-12-17
EP1903319A4 (en) 2014-09-24
WO2007007424A1 (ja) 2007-01-18
TWI361883B (zh) 2012-04-11
JP2007024505A (ja) 2007-02-01
US20080141788A1 (en) 2008-06-19

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees