DE557994C - Flow meter for gases - Google Patents
Flow meter for gasesInfo
- Publication number
- DE557994C DE557994C DENDAT557994D DE557994DD DE557994C DE 557994 C DE557994 C DE 557994C DE NDAT557994 D DENDAT557994 D DE NDAT557994D DE 557994D D DE557994D D DE 557994DD DE 557994 C DE557994 C DE 557994C
- Authority
- DE
- Germany
- Prior art keywords
- throttle
- head
- flow meter
- gases
- manometer
- 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
- G01F1/05—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
- G01F1/37—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 the pressure or differential pressure being measured by means of communicating tubes or reservoirs with movable fluid levels, e.g. by U-tubes
- G01F1/375—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 the pressure or differential pressure being measured by means of communicating tubes or reservoirs with movable fluid levels, e.g. by U-tubes with mechanical or fluidic indication
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Description
Strömungsmesser für Gase Die Erfindung bezieht sich auf die bekannten Messer für ein in einer Leitung strömendes Gas, bei denen ein Drosselorgan vorgesehen ist und bei denen die hervorgerufene Druckdifferenz gemessen und hieraus die Menge des durch den drösselnden Querschnitt tretenden Gaseis ermittelt wird. Bei solchen Messein ist es bekannt, als Anzeigeorgan ein Flüssigkeitsdifferentialmanometer zu verwenden, dessen einer Schenkel in dem anderen angeordnet ist und bei dem die Zu-und Ableitungen zusammen mit der Drosselstelle in einem auf das Manometer aufgesetzten Kopf enthalten sind. Ferner ist es bekannt, zwecks Erzielung eines größeren Meßbereiches eine veränderliche Drosselstelle vorzusehen. Die bekannten Geräte dieser Art weisen nun insofern Mängel auf, als die in dem Kopf befindlichen, als Druckzuleitungen für das Manometer dienenden Kanäle sich aus mehreren Bohrungen zusammensetzen, die winklig zueinander verlaufen und deshalb leicht zu Verstopfungen Anlaß geben, die nicht leicht zu beseitigen sind und dadurch die Meßgenauigkeit des Apparates herabsetzen.Flow meters for gases The invention relates to the known ones Knife for a gas flowing in a line, in which a throttle element is provided is and at which the caused pressure difference is measured and from this the amount of the gas ice passing through the chilling cross-section is determined. In such Messein it is known to use a liquid differential manometer as a display element use, one leg of which is arranged in the other and in which the supply and Discharges together with the throttle point in one attached to the pressure gauge Head are included. It is also known to achieve a larger measuring range to provide a variable throttle point. The known devices of this type have now to the extent that defects are found in the head, as pressure supply lines for the manometer serving channels are composed of several holes that run at an angle to each other and therefore easily give rise to blockages are not easy to remove and thereby reduce the measuring accuracy of the apparatus.
Um diese Mängel zu beseitigen, wird erfindungsgemäß der Kopf deckelartig. ausgebildet und die Aufnahmeöffnung für das Drosselorgan sowie die Zuleitungen zum Manometer als gerade Bohrungen im Boden des Kopfes angeordnet. Ferner sind, falls in bekannter Weise zur Vergrößerung des Meßbereiches mehrere Bohrungen verschiedenen Durchmessers vorgesehen sind, von denen je eine wahlweise in die Leitung eingeschaltet werden kann, die Bohrungen erfindungsgemäß in einem Hahnküken untergebracht, wobei dieses einen Teil des Zuleitungsrohres bildet.In order to eliminate these shortcomings, the head is made like a cover according to the invention. formed and the receiving opening for the throttle member and the supply lines to Manometer arranged as straight bores in the bottom of the head. Furthermore, if in a known manner to enlarge the measuring range several bores different Diameter are provided, one of which is optionally switched into the line can be accommodated, the holes according to the invention in a cock plug, wherein this forms part of the supply pipe.
Die Abb. i stellt ein Ausfübrungsbeispiel eines Strömungsmessers im vertikalen Schnitt mit einer Drosselstelle dar, wie er z. B. für einen Narkoseapparat verwandt wird.Fig. I shows an exemplary embodiment of a flow meter in vertical section with a throttle point, as it is, for. B. for an anesthetic machine is used.
Abb.2 zeigt einen Messer, bei dem zwei Drosselstellen vorgesehen sind, von denen je eine wahlweise eingeschaltet werden kann, ebenfalls im vertikalen Schnitt.Fig. 2 shows a knife with two throttling points, one of which can be switched on as required, also in vertical section.
In der Abb. i tritt das zu messende Gas durch den im Kopf befindlichen Zuführungskanal A in den Apparat ein, durchströmt die als Drosselstelle dienende Bohrung a und gelangt in den zylindrischen durchsichtigen oder auch nur mit einem Fenster versehenen. Flüssigkeitsbehälter und tritt dann durch die Bohrung b in den Ausgangskanal B. Der vor der Drosselstelle herrschende Druck wirkt durch die Bohrung c auf das zentral angeordnete Manometerrohr R, an dem je nach der Größe der verwandten Drosselöffnung und je nach dem zu messenden Gase eine Skala angebracht wird, an der die jeweils durchströmenden Gasmengen abgelesen werden können.In Fig. I, the gas to be measured passes through the gas in the head Feed channel A into the apparatus, flows through the one serving as a throttle point Bore a and gets into the cylindrical transparent or even with one Window. Liquid container and then enters the through hole b Output channel B. The pressure prevailing in front of the throttle point acts through the bore c on the centrally located pressure gauge tube R, on which, depending on the size of the related Throttle opening and, depending on the gases to be measured, a scale is attached which can be read off the respective gas quantities flowing through.
In der Abb. 2 ist in dem Kopf ein um eine horizontale Achse drehbares Küken, Drehschieber o. dgl. angebracht, dessen zentrale Bohrung gleichzeitig als Zuführungskanal für den Messer dient: In ihm sind mehrere Bohrungen a, a2 von verschiedener Weite angeordnet, die bei Drehung des Kükens nacheinander in die Strömung eingeschaltet werden können.In Fig. 2 is a rotatable about a horizontal axis in the head Chick, rotary valve o. The like. Attached, the central hole as the same Feed channel for the knife is used: In it are several holes a, a2 of different Width arranged, which turned on one after the other in the flow when the chick rotated can be.
Die übrige Einrichtung des Messers ist sonst wie diejenige des in der Abb. i dargestellten Messers.The rest of the equipment of the knife is otherwise the same as that of the in the knife shown in Fig. i.
Erforderlichenfalls kann zwecks besserer Ablesung des sich einstellenden Flüssigkeitsspiegels in dem zentralen Manometerrohr R in bekannter Weise ein Schwimmer angeordnet werden.If necessary, for the purpose of better reading of the setting Liquid level in the central manometer tube R in a known manner a float to be ordered.
Claims (2)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE557994T |
Publications (1)
Publication Number | Publication Date |
---|---|
DE557994C true DE557994C (en) | 1932-08-31 |
Family
ID=6565250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT557994D Expired DE557994C (en) | Flow meter for gases |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE557994C (en) |
-
0
- DE DENDAT557994D patent/DE557994C/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE528186C (en) | Method and device for determining the dimensions of bodies by means of flowing gases | |
DE557994C (en) | Flow meter for gases | |
DE865387C (en) | Device for determining the viscosity of a moving liquid | |
US2073372A (en) | Fluid meter for gas administering machines | |
DE720527C (en) | Throttle device for flow meter | |
DE555692C (en) | Device for mixing and dispensing flammable liquids | |
DE907465C (en) | Flow meter for gases and liquids | |
DE577572C (en) | Float knife | |
DE870193C (en) | Method and device for determining the viscosity of a moving liquid | |
DE883356C (en) | Method and device for measuring flowing media | |
DE845712C (en) | Flow meter | |
DE477863C (en) | Differential pressure meter with a measuring bell hanging on a spring | |
DE709570C (en) | Method and device for calibration and testing of nozzles | |
DE880405C (en) | Flow meter | |
DE671337C (en) | Device for indicating leaks in fluid lines | |
DE407442C (en) | U-tube manometer | |
DE569916C (en) | Device for regulating the mixing ratio of gases in a flowing state | |
DE2257289B2 (en) | Device for checking and adjusting carburetors and other fuel-consuming devices | |
DE718370C (en) | Device for determining the specific gravity of a gas | |
DE868219C (en) | Flow meter | |
DE355828C (en) | Torque meter in shunt arrangement for measuring the flow rate of gases and liquids in pipelines of various diameters | |
DE545086C (en) | Apparatus for measuring gas loss in gas pipes | |
DE697123C (en) | Device for determining the specific gravity of a gas | |
DE413655C (en) | Device for checking gas meters and gas lines | |
DE7730466U1 (en) | DISPLAY SCALE FOR FLOW METER FOR MONITORING LIQUID OR GAS MEDIA WITH DIFFERENT PHYSICAL PROPERTIES |