FR2245943B1 - - Google Patents

Info

Publication number
FR2245943B1
FR2245943B1 FR7424610A FR7424610A FR2245943B1 FR 2245943 B1 FR2245943 B1 FR 2245943B1 FR 7424610 A FR7424610 A FR 7424610A FR 7424610 A FR7424610 A FR 7424610A FR 2245943 B1 FR2245943 B1 FR 2245943B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7424610A
Other versions
FR2245943A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bell and Howell Co
Original Assignee
Bell and Howell Co
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 Bell and Howell Co filed Critical Bell and Howell Co
Publication of FR2245943A1 publication Critical patent/FR2245943A1/fr
Application granted granted Critical
Publication of FR2245943B1 publication Critical patent/FR2245943B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
    • G01N2009/006—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis vibrating tube, tuning fork
FR7424610A 1973-07-16 1974-07-15 Expired FR2245943B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB3374373A GB1432165A (en) 1973-07-16 1973-07-16 Apparatus for determining the density of a fluid
US48738674A 1974-07-11 1974-07-11
US05/571,970 US3955401A (en) 1973-07-16 1975-04-28 Apparatus for determining the density of a fluid

Publications (2)

Publication Number Publication Date
FR2245943A1 FR2245943A1 (fr) 1975-04-25
FR2245943B1 true FR2245943B1 (fr) 1978-01-20

Family

ID=27259160

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7424610A Expired FR2245943B1 (fr) 1973-07-16 1974-07-15

Country Status (3)

Country Link
US (1) US3955401A (fr)
FR (1) FR2245943B1 (fr)
GB (1) GB1432165A (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE31450E (en) * 1977-07-25 1983-11-29 Micro Motion, Inc. Method and structure for flow measurement
US4187721A (en) * 1977-07-25 1980-02-12 S & F Associates Method and structure for flow measurement
US4217774A (en) * 1979-01-04 1980-08-19 Joram Agar Apparatus for measuring the value of a fluid variable
DE3039438A1 (de) * 1979-11-06 1981-08-27 The Solartron Electronic Group Ltd., Farnborough, Hampshire Fluessigkeitsdichtewandler
US4856346A (en) * 1986-11-13 1989-08-15 K-Flow Division Of Kane Steel Company, Inc. Dual flexures for coriolis type mass flow meters
US4803867A (en) * 1987-04-28 1989-02-14 Dahlin Erik B Fluid measurement apparatus providing flow tube strain relief
JP2758798B2 (ja) * 1992-11-19 1998-05-28 株式会社オーバル コリオリ流量計
US7549319B2 (en) * 2006-11-16 2009-06-23 Halliburton Energy Services, Inc. High pressure resonant vibrating-tube densitometer
MX2016016829A (es) * 2014-07-23 2017-03-27 Halliburton Energy Services Inc Modulo de deteccion vibratorio modulado termico para la deteccion del peso molecular del gas.
US10150936B2 (en) 2014-09-24 2018-12-11 Dow Global Technologies Llc Branched biodegradable low foam nonionic surfactants
US10126266B2 (en) 2014-12-29 2018-11-13 Concentric Meter Corporation Fluid parameter sensor and meter
WO2016109451A1 (fr) 2014-12-29 2016-07-07 Concentric Meter Corporation Transducteur électromagnétique
EP3215812B1 (fr) 2014-12-29 2020-10-07 Concentric Meter Corporation Capteur et dispositif de mesure de paramètre de fluide
WO2016186639A1 (fr) * 2015-05-18 2016-11-24 Micro Motion, Inc. Corps de bobine amélioré pour densitomètre vibrant
CN109211725B (zh) * 2017-07-08 2023-09-19 北京工标传感技术有限公司 一种音叉密度计的清洁装置
CN109269978B (zh) * 2018-11-16 2024-01-30 西南科技大学 测量电场下固液界面间粘附力的测量装置及测量方法
BR112021016250A2 (pt) 2019-03-21 2021-10-13 Dow Global Technologies Llc Composição agrícola
CN114062192A (zh) * 2021-11-11 2022-02-18 四川泛华航空仪表电器有限公司 一种选频增益的变换电路及其工作方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE268353C (fr) * 1947-09-02
GB1158790A (en) * 1965-12-29 1969-07-16 Solartron Electronic Group Improvements in Fluid Density Meters

Also Published As

Publication number Publication date
FR2245943A1 (fr) 1975-04-25
DE2434240A1 (de) 1975-02-06
US3955401A (en) 1976-05-11
GB1432165A (en) 1976-04-14
DE2434240B2 (de) 1977-04-28

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse