AT67100B - Device for determining the weight of gas, vapor and liquid. - Google Patents

Device for determining the weight of gas, vapor and liquid.

Info

Publication number
AT67100B
AT67100B AT67100DA AT67100B AT 67100 B AT67100 B AT 67100B AT 67100D A AT67100D A AT 67100DA AT 67100 B AT67100 B AT 67100B
Authority
AT
Austria
Prior art keywords
bridge
vapor
determining
gas
weight
Prior art date
Application number
Other languages
German (de)
Inventor
Karl A Hartung
Original Assignee
Karl A Hartung
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 Karl A Hartung filed Critical Karl A Hartung
Application granted granted Critical
Publication of AT67100B publication Critical patent/AT67100B/en

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  • Measuring Fluid Pressure (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Description

  

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   veränderungen in dem Messergebnis vorzunehmen hat, ist in dem Hauptstromkreis, vor der Verzweigung des Stromes in der Brücke angeordnet und derjenige, der für die Veränderungen entsprechend den Temperaturschwankungen sorgt, liegt in der Brücke selbst vor dem Instrument. 



  Durch diese überaus einfache Anordnung gcuagt es. eine Multiplikation der Grösse des     Messstromes   mit den Faktoren für Druck und Temperatur nur durch die Verkleinerung und Vergrösserung von Widerständen herbeizuführen und die entstehenden Fehler können bei entsprechender Dimensionierung der Widerstände in der   Messbrücke vollständig vernachlässigt   werden. 



   In der Zeichnung ist das Schaltungsschema gekennzeichnet,   a   ist die Stromquelle, b, c, d, e stellen die Verzweigung einer   Wheatstoneschen     Brücke   dar, wobei e den veränderlichen Widerstand bildet, der in der eigentlichen    Brücke f Ströme erzeugt,   die dem Volumen des zu messenden Mediums proportional sind. Das Instrument g dient dazu, die Stärke dieser Ströme zu erkennen bzw. zu messen. Der Widerstand b, welcher vor der Verzweigung der Brücke im Hauptstromkreis liegt, möge durch den Druck des zu messenden Mediums beeinflusst werden. Der Widerstand i ist dann in der Brücke selbst vor dem Messinstrument angeordnet und wird von den   Tentperatur-   schwankungen verändert. Die Arbeitsweise ist ohneweiters danach verständlich. 



   PATENT-ANSPRÜCHE :
1. Einrichtung zur Bestimmung von Gas-, Dampf- und Flüssigkeitsgewichtsmengen durch einen dem jeweiligen Volumen   proportionalen Messstrom,   unter Verwendung einer Schaltung. ähnlich einer Wheatstoneschen Brücke, dadurch gekennzeichnete dass dieser Messstrom durch Widerstände, die jeweils von   Druck und Temperatur beeinflusst   werden, dem physikalischen
Gesetz entsprechend korrigiert wird, und zwar durch die Einschaltung der den Messstrom beeinflussenden   Widerstände   in den Hauptstromkreis vor Verzweigung des Stromes in der Brücke und in der Brücke selbst vor dem elektrischen Messgerät.



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   has to make changes in the measurement result is arranged in the main circuit, in front of the branching of the current in the bridge and the person who takes care of the changes in accordance with the temperature fluctuations is in the bridge itself in front of the instrument.



  It is due to this extremely simple arrangement. A multiplication of the size of the measuring current with the factors for pressure and temperature can only be brought about by reducing and increasing the resistances and the resulting errors can be completely neglected if the resistors in the measuring bridge are dimensioned accordingly.



   In the drawing, the circuit diagram is marked, a is the current source, b, c, d, e represent the branching of a Wheatstone bridge, where e is the variable resistance, which in the actual bridge f generates currents that correspond to the volume of the Medium are proportional. The instrument g is used to recognize or measure the strength of these currents. The resistance b, which lies in front of the junction of the bridge in the main circuit, may be influenced by the pressure of the medium to be measured. The resistance i is then arranged in the bridge itself in front of the measuring instrument and is changed by the temperature fluctuations. The way of working is understandable afterwards.



   PATENT CLAIMS:
1. Device for determining gas, vapor and liquid weight quantities by means of a measuring current proportional to the respective volume, using a circuit. similar to a Wheatstone bridge, characterized in that this measuring current is the physical one through resistances, which are influenced by pressure and temperature
Law is corrected accordingly, namely by switching on the resistors influencing the measuring current in the main circuit before branching of the current in the bridge and in the bridge itself before the electrical measuring device.

 

Claims (1)

2. Einrichtung nach Anspruch l, dadurch gekennzeichnet, dass ein veränderlicher Widerstand im Hauptstromkreis vor der Verzweigung des Stromes in der Brücke und der zweite veränderliche Widerstand in der Brücke selbst angeordnet ist, um hindurch eine Korrektur des Messstromes EMI2.2 2. Device according to claim l, characterized in that a variable resistance in the main circuit before the branching of the current in the bridge and the second variable Resistance is arranged in the bridge itself, in order to correct the measuring current through it EMI2.2
AT67100D 1913-04-02 1913-04-02 Device for determining the weight of gas, vapor and liquid. AT67100B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT67100T 1913-04-02

Publications (1)

Publication Number Publication Date
AT67100B true AT67100B (en) 1914-11-25

Family

ID=3589006

Family Applications (1)

Application Number Title Priority Date Filing Date
AT67100D AT67100B (en) 1913-04-02 1913-04-02 Device for determining the weight of gas, vapor and liquid.

Country Status (1)

Country Link
AT (1) AT67100B (en)

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