BE661780A - - Google Patents
Info
- Publication number
- BE661780A BE661780A BE661780DA BE661780A BE 661780 A BE661780 A BE 661780A BE 661780D A BE661780D A BE 661780DA BE 661780 A BE661780 A BE 661780A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/20—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating powers, roots, polynomes, mean square values, standard deviation
-
- 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
- G01F1/05—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 mechanical effects
- G01F1/34—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 mechanical effects by measuring pressure or differential pressure
- G01F1/36—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 mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
- G01F1/363—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 mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction with electrical or electro-mechanical indication
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL646403441A NL147555B (nl) | 1964-03-31 | 1964-03-31 | Inrichting voor het verkrijgen van een signaal uit twee elektrische signalen door trekken van de vierkantswortel uit hun produkt. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE661780A true BE661780A (xx) | 1965-09-29 |
Family
ID=19789696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE661780D BE661780A (xx) | 1964-03-31 | 1965-03-29 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3408488A (xx) |
| JP (1) | JPS4927974B1 (xx) |
| BE (1) | BE661780A (xx) |
| DE (1) | DE1499334C3 (xx) |
| GB (1) | GB1049823A (xx) |
| NL (1) | NL147555B (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1455021A (en) * | 1973-02-07 | 1976-11-10 | Croftshaw Engs Ltd | Material flowrate monitoring system |
| FR2594946B1 (fr) * | 1986-02-21 | 1988-06-17 | Flopetrol Etu Fabrications | Debitmetre destine notamment aux puits d'hydrocarbures |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3070302A (en) * | 1958-08-15 | 1962-12-25 | Phillips Petroleum Co | Flow computer |
| US3016197A (en) * | 1958-09-15 | 1962-01-09 | Honeywell Regulator Co | Square root extracting integrator |
| US3333468A (en) * | 1964-11-30 | 1967-08-01 | Sundstrand Corp | Mass flow measuring system |
-
1964
- 1964-03-31 NL NL646403441A patent/NL147555B/xx not_active IP Right Cessation
-
1965
- 1965-03-26 US US442914A patent/US3408488A/en not_active Expired - Lifetime
- 1965-03-29 DE DE1499334A patent/DE1499334C3/de not_active Expired
- 1965-03-29 JP JP40017974A patent/JPS4927974B1/ja active Pending
- 1965-03-29 BE BE661780D patent/BE661780A/xx unknown
- 1965-03-29 GB GB13277/65A patent/GB1049823A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL6403441A (xx) | 1965-10-01 |
| DE1499334C3 (de) | 1974-04-18 |
| DE1499334A1 (de) | 1969-10-30 |
| US3408488A (en) | 1968-10-29 |
| JPS4927974B1 (xx) | 1974-07-23 |
| DE1499334B2 (de) | 1973-09-20 |
| GB1049823A (en) | 1966-11-30 |
| NL147555B (nl) | 1975-10-15 |