IT1027610B - Rivelatore di portata a ionizzazione - Google Patents

Rivelatore di portata a ionizzazione

Info

Publication number
IT1027610B
IT1027610B IT30454/74A IT3045474A IT1027610B IT 1027610 B IT1027610 B IT 1027610B IT 30454/74 A IT30454/74 A IT 30454/74A IT 3045474 A IT3045474 A IT 3045474A IT 1027610 B IT1027610 B IT 1027610B
Authority
IT
Italy
Prior art keywords
flow detector
ionization flow
ionization
detector
flow
Prior art date
Application number
IT30454/74A
Other languages
English (en)
Inventor
A Servassier
Original Assignee
Erap
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 Erap filed Critical Erap
Application granted granted Critical
Publication of IT1027610B publication Critical patent/IT1027610B/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
    • G01F1/56—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 electric or magnetic effects
    • G01F1/64—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 electric or magnetic effects by measuring electrical currents passing through the fluid flow; measuring electrical potential generated by the fluid flow, e.g. by electrochemical, contact or friction effects
IT30454/74A 1973-12-11 1974-12-11 Rivelatore di portata a ionizzazione IT1027610B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7344237A FR2254013B1 (it) 1973-12-11 1973-12-11

Publications (1)

Publication Number Publication Date
IT1027610B true IT1027610B (it) 1978-12-20

Family

ID=9129059

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30454/74A IT1027610B (it) 1973-12-11 1974-12-11 Rivelatore di portata a ionizzazione

Country Status (11)

Country Link
US (1) US3996795A (it)
JP (1) JPS50114256A (it)
BE (1) BE822890A (it)
CA (1) CA1028393A (it)
DE (1) DE2458719C3 (it)
DK (1) DK623574A (it)
FR (1) FR2254013B1 (it)
GB (1) GB1491689A (it)
IT (1) IT1027610B (it)
LU (1) LU71439A1 (it)
NL (1) NL7416046A (it)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1543041A (en) * 1975-02-12 1979-03-28 Lucas Electrical Ltd Corona discharge fluid flow transducers and fuel injection systems incorporating such transducers
US4074572A (en) * 1975-07-28 1978-02-21 United Technologies Corporation Method and apparatus for sensing the flux of a flowing fluid
US4167114A (en) * 1975-11-24 1979-09-11 S.C.I. Le Brin Device for measuring the mass flow or flow rate of a gas
US4056003A (en) * 1975-11-24 1977-11-01 S.C.I. Le Brin Device for measuring the mass flow or flow rate of a gas
DE2743960A1 (de) * 1976-10-05 1978-04-06 Inst Nat Radio Elements Vorrichtung zur messung des durchsatzes oder der geschwindigkeit eines gasfoermigen stromes
JPS5387262A (en) * 1977-01-10 1978-08-01 Nissan Motor Measuring apparatus for flow rate
US4127029A (en) * 1977-04-25 1978-11-28 La General De Fluides Geflu Ionic measuring device
JPS5829853B2 (ja) * 1977-05-02 1983-06-25 日産自動車株式会社 質量流量計測装置
US4152935A (en) * 1978-01-12 1979-05-08 Nissan Motor Company, Limited Mass flow measuring apparatus
US4248086A (en) * 1978-02-24 1981-02-03 S.C.I. Le Brin Device for measuring the mass flow or flow rate of an insulating liquid
DE3007800A1 (de) * 1979-03-02 1981-01-15 Balaguer Enrique Suay Backofen
FR2461954A1 (fr) * 1979-07-18 1981-02-06 Barat Jean Dispositif pour la mesure simultanee des composantes du vecteur vitesse d'un ecoulement gazeux ionisable
FR2491618B1 (fr) * 1980-10-07 1985-06-07 Renault Capteur ionique de debit a temps de transit de type differentiel
US4441371A (en) * 1981-04-04 1984-04-10 Lucas Industries Limited Gas flow meters
GB2117518B (en) * 1982-04-01 1986-07-09 Magyar Tudomanyos Akademia Method and device for detecting electrical charge of particles in a gas stream
FR2560379B1 (fr) * 1984-02-24 1988-10-14 Renault Capteur a turbulences reduites pour la mesure du debit d'air par temps de transit
DE4105118C1 (en) * 1991-02-19 1992-04-30 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De Miniature electrostatic pump or flow velocity sensor - has active zone protected while remainder of semiconductor device is embedded in resin mass
DE4117912C2 (de) * 1991-05-31 1994-09-15 Fraunhofer Ges Forschung Vorrichtung zum Bestimmen der Strömungsgeschwindigkeit eines Gases oder einer Flüssigkeit
DE4130210C2 (de) * 1991-09-11 1994-04-07 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Bestimmen der Strömungsgeschwindigkeit eines Gases oder einer Flüssigkeit
US5546800A (en) * 1995-11-08 1996-08-20 Daniel; Bernard Early warning tornado detector
US6675660B1 (en) * 2002-07-31 2004-01-13 Sandia National Laboratories Composition pulse time-of-flight mass flow sensor
US7483255B2 (en) * 2003-06-11 2009-01-27 Ion Systems Ionizing electrode structure and apparatus
US7339778B1 (en) * 2003-06-11 2008-03-04 Ion Systems Corona discharge static neutralizing apparatus
DE102004020498B4 (de) * 2004-04-26 2008-01-03 Railion Deutschland Ag Vorrichtung zur Messung einer Strömungsgeschwindigkeit in Bremsleitungen von Schienenfahrzeugen ohne Beeinträchtigung der sicherheitsrelevanten Eigenschaften

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2637208A (en) * 1949-11-17 1953-05-05 Nat Res Corp Velocity measuring by use of high energy electrons
US2861452A (en) * 1956-04-23 1958-11-25 Gen Electric Nuclear anemometer
FR2100986A1 (fr) * 1970-08-03 1972-03-31 Electro Inf Jauge a ionisation de mesure de la vitesse et du debit massique de l'ecoulement d'un gaz
US3648517A (en) * 1970-11-25 1972-03-14 Thermo Systems Inc Control apparatus for mass flow meter
US3718043A (en) * 1970-12-15 1973-02-27 Nucleonics Dev Co Ionization gas flow meter with pulse rate servo
US3706938A (en) * 1971-03-10 1972-12-19 Us Army Directional ion anemometer
FR2138240B1 (it) * 1971-05-19 1974-10-11 Hadjidjanian Huguette
US3739785A (en) * 1972-05-08 1973-06-19 Philip Morris Inc Cigarette with coated wrapper ventilation flaps

Also Published As

Publication number Publication date
DE2458719B2 (de) 1980-09-25
DE2458719C3 (de) 1981-06-11
JPS50114256A (it) 1975-09-08
FR2254013A1 (it) 1975-07-04
GB1491689A (en) 1977-11-09
DK623574A (it) 1975-08-11
DE2458719A1 (de) 1975-06-19
NL7416046A (nl) 1975-06-13
BE822890A (fr) 1975-04-01
LU71439A1 (it) 1975-06-11
FR2254013B1 (it) 1978-02-24
US3996795A (en) 1976-12-14
CA1028393A (en) 1978-03-21

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