GB729180A - Apparatus for indicating or measuring the flow of liquid through a conduit - Google Patents
Apparatus for indicating or measuring the flow of liquid through a conduitInfo
- Publication number
- GB729180A GB729180A GB5852/53A GB585253A GB729180A GB 729180 A GB729180 A GB 729180A GB 5852/53 A GB5852/53 A GB 5852/53A GB 585253 A GB585253 A GB 585253A GB 729180 A GB729180 A GB 729180A
- Authority
- GB
- United Kingdom
- Prior art keywords
- flow
- liquid
- probe
- pipe
- energy
- Prior art date
- 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
- G01F1/68—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 thermal effects
- G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
729,180. Measuring fluid How electrically. NAAMLOOZE VENNOOTSCHAP DE BATAAFSCHE PETROLEUM MAATSCHAPPIJ. March 3, 1953 [March 5, 1952], No. 5852/53. Class 40(1). The invention relates to means for determinging the flow of liquid through a pipe 1 by measuring the amount of heat supplied electrically to a probe 6 disposed in the flow to keep a constant temperature different t between this probe and that of the liquid which is measured by an unheated probe 7, upstream of probe 6. The relationship between heating energy W supplied per unit time and liquid flow Q per unit time is shown in Fig. 2. The linear portion of the curve intersects the W axis at W 1 and, according to the invention, in order to get direct proportionality between the flow Q and the metered energy the portion W 1 of the heating energy W is not metered. The energy W 1 is supplied over a resistor 14 from the mains M independently of the watt-hour meter 9, which measures W-W 1 <SP>1</SP>, where W 1 <SP>1</SP> is the average value to which W 1 <SP>1</SP> falls when additional heating current is intermittently fed through a microswitch 13 automatically controlled by the temperature difference t. As shown, the microswitch is controlled by the fluid pressure difference in bellows 10, 11 responsive, respectively, to the probe temperatures, but thermocouples or temperature sensitive resistors may be used to regulate the flow of measured heat. The Specification explains that where the liquid flow does not fill the pipe 1, cylindrical or prismatic probes preferably extending vertically downwards for 0.8-0.9 of the pipe diameter are preferably used, in which case the meter readings are independent of the height of liquid in the pipe.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL729180X | 1952-03-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB729180A true GB729180A (en) | 1955-05-04 |
Family
ID=19817908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5852/53A Expired GB729180A (en) | 1952-03-05 | 1953-03-03 | Apparatus for indicating or measuring the flow of liquid through a conduit |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE518110A (en) |
FR (1) | FR1072214A (en) |
GB (1) | GB729180A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3085431A (en) * | 1959-12-28 | 1963-04-16 | Gen Electric | Flow measuring apparatus |
GB2173905A (en) * | 1985-04-12 | 1986-10-22 | Radyne Ltd | Fluid-flow monitoring apparatus |
DE19623174C1 (en) * | 1996-06-10 | 1997-11-27 | Trilog Thermotechnik Gmbh | Device for detecting a liquid or gaseous medium |
DE19846917B4 (en) * | 1997-12-06 | 2004-05-27 | Dräger Medical AG & Co. KGaA | Method and device for measuring the flow velocity of a fluid |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2152470B1 (en) * | 1971-09-16 | 1974-03-29 | Sodera |
-
0
- BE BE518110D patent/BE518110A/xx unknown
-
1953
- 1953-03-03 GB GB5852/53A patent/GB729180A/en not_active Expired
- 1953-03-05 FR FR1072214D patent/FR1072214A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3085431A (en) * | 1959-12-28 | 1963-04-16 | Gen Electric | Flow measuring apparatus |
GB2173905A (en) * | 1985-04-12 | 1986-10-22 | Radyne Ltd | Fluid-flow monitoring apparatus |
DE19623174C1 (en) * | 1996-06-10 | 1997-11-27 | Trilog Thermotechnik Gmbh | Device for detecting a liquid or gaseous medium |
US6058774A (en) * | 1996-06-10 | 2000-05-09 | Trilog Thermotechnik Gmbh | Device for detecting flow of a fluid including a temperature measuring instrument |
DE19846917B4 (en) * | 1997-12-06 | 2004-05-27 | Dräger Medical AG & Co. KGaA | Method and device for measuring the flow velocity of a fluid |
Also Published As
Publication number | Publication date |
---|---|
FR1072214A (en) | 1954-09-09 |
BE518110A (en) |
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