FR2309837B1 - - Google Patents
Info
- Publication number
- FR2309837B1 FR2309837B1 FR7612593A FR7612593A FR2309837B1 FR 2309837 B1 FR2309837 B1 FR 2309837B1 FR 7612593 A FR7612593 A FR 7612593A FR 7612593 A FR7612593 A FR 7612593A FR 2309837 B1 FR2309837 B1 FR 2309837B1
- 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
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
- G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/662—Constructional details
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT68095/75A IT1032783B (it) | 1975-04-30 | 1975-04-30 | Dispositivo per misurare mediante ultrasuoni la portata in massadi gas |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2309837A1 FR2309837A1 (fr) | 1976-11-26 |
FR2309837B1 true FR2309837B1 (US20110009641A1-20110113-C00185.png) | 1978-05-19 |
Family
ID=11307810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7612593A Granted FR2309837A1 (fr) | 1975-04-30 | 1976-04-28 | Dispositif de mesure d'un debit de gaz par ultrasons |
Country Status (5)
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1071241B (it) * | 1976-07-09 | 1985-04-02 | Fiat Spa | Dispositivo per effettuare..mediante ultrasuoni..la misura della portata d aria in massa nel condotto di aspirazione di motori ad iniezione pilotata dal dispositivo stesso |
US4140012A (en) * | 1977-11-07 | 1979-02-20 | Envirotech Corporation | Small pipe flowmeter |
DE3039710C2 (de) * | 1980-09-25 | 1983-01-13 | LGZ Landis & Gyr Zug AG, 6301 Zug | Meßwertgeber zur Bestimmung der Durchflußmenge einer strömenden Flüssigkeit |
CH648932A5 (de) * | 1980-12-09 | 1985-04-15 | Landis & Gyr Ag | Messwertgeber zur bestimmung der durchflussmenge einer stroemenden fluessigkeit. |
US4523478A (en) * | 1983-08-18 | 1985-06-18 | Nusonics, Inc. | Sonic flow meter having improved flow straighteners |
DE102006037059A1 (de) * | 2006-08-08 | 2008-02-14 | Siemens Ag | Verfahren zur Luftmassenmessung und Luftmassensensor |
ITMI20090320A1 (it) * | 2009-03-05 | 2010-09-06 | Barberi Rubinetterie Ind S R L | Valvola regolatrice di portata |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3468157A (en) * | 1966-03-03 | 1969-09-23 | Phillips Petroleum Co | Acoustical apparatus for detecting the composition of a gas |
US3817098A (en) * | 1972-08-09 | 1974-06-18 | Saratoga Systems | Axial fluid flow and sound speed |
IT1016750B (it) * | 1974-08-01 | 1977-06-20 | Fiat Spa | Dispositivo per effettuare median te ultrasuoni la misura della por tata d aria in massa nel condotto di aspirazione di motori a combu stione interna |
-
1975
- 1975-04-30 IT IT68095/75A patent/IT1032783B/it active
-
1976
- 1976-04-08 US US05/675,017 patent/US4014210A/en not_active Expired - Lifetime
- 1976-04-13 GB GB15096/76A patent/GB1519097A/en not_active Expired
- 1976-04-28 FR FR7612593A patent/FR2309837A1/fr active Granted
- 1976-04-29 DE DE2618944A patent/DE2618944C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2309837A1 (fr) | 1976-11-26 |
GB1519097A (en) | 1978-07-26 |
US4014210A (en) | 1977-03-29 |
IT1032783B (it) | 1979-06-20 |
DE2618944B2 (de) | 1978-04-13 |
DE2618944C3 (de) | 1978-12-21 |
DE2618944A1 (de) | 1976-11-04 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |