US895798A - Automatic apparatus for gas analysis. - Google Patents
Automatic apparatus for gas analysis. Download PDFInfo
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- US895798A US895798A US30428306A US1906304283A US895798A US 895798 A US895798 A US 895798A US 30428306 A US30428306 A US 30428306A US 1906304283 A US1906304283 A US 1906304283A US 895798 A US895798 A US 895798A
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- bell
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
- G01N7/02—Analysing materials by measuring the pressure or volume of a gas or vapour by absorption, adsorption, or combustion of components and measurement of the change in pressure or volume of the remainder
- G01N7/04—Analysing materials by measuring the pressure or volume of a gas or vapour by absorption, adsorption, or combustion of components and measurement of the change in pressure or volume of the remainder by absorption or adsorption alone
Definitions
- the present invention rel'ers to improvements made in the apparatus described in the specilication of my application No. 304,282 tiled March 5, 1906 and its object is to obtain an exact automatic registration of,
- the form of themeasuring chamber is such that it permits of a quiet entering of the gas to be analyzed into the bell; further, the lever or beam, carrying the hell on one of its arms, supports on its other arm the inscribing stylus oi the registering device; a weight mounted on the needle of this beam automatically compensates for the increase in the weiglit oi the bell as it rises out of the liquid, and linally, a lloat, regulated by the. liquid which at the same time serves to obtain a tight joint, ell'ects the return of the bell into the liquid which surrounds it.
- Figure 1 is a sectional view illustrating the invention. illustrating a modilied form.
- a is the gas inlet-pipe, connected with the gas supply, (the line of a furnace chimney, etc.); 1) is an injector connected with a water supply pipe; 0 is a pipe branched on the gas supply pipe (1/ and leading into the measuring chamber (1; c is a tank designed to receive the ilisplaping liquid; 7 is the pipe which establishes communication between the measuring cha mber (Z and the vessel It intended to receive the absorption liquid; i is a coil lilled with the absorption liquid, by means ol the passages j, and into the. lower extremity of which the pipe 9 opens, while its upper extremity extends into the interior of the bell It. 'lhocapacity ol' the latter is the same as that ol' the measuring chamber (1; it
- Fig. .2 is a view similar to Fig. l,
- s is a water cistern into which a water inlet-pipe connected with the, injector b cntcrs; this cistern is provided with an over-llow pipe 15:
- u is a pipe connecting the .cistern s with the tank which receives the displacing liquid.
- the measuring chamber is made in the form of a bottle, and is placed exteriorly of the tank while the bottom of the measuring .chamber is connected by a pipe 4, with a chamber f, which is situated at the sidepf and is in connnunication with the tank e.
- a pipe 5, opening into the chamberf, serves to automatically withdraw the liquid from the tank c, when the liquid has risen to the bend of the pipe 5.
- the gas inlet-pipe c extends to near the bottom of the measuring chamber d, so that, when the lower extremity of this'pipe is sealed by the li( aid, the measuring chamber contains exactly 100 cubic centimeters o't gasv ()ne of the arms ol the lever or beam 0 which is pivoted as at o, carries the bell A, while the stylus ol the registering device is suspended from the other arm; this latter arm also carries a weight. (3 which serves to balance the. weight of the bell submerged in the li( uid. As is shownin the drawing, the need 0 of the beam 0 forms an obtuse angle with the arm carrying the bell, and this needle is provided with a.
- the registration of the result is thus made in the course of the analysis itself.
- the upper part of the measuring chamber (1 is made narrow, and the pipe opening into the bell is contracted in the form of a twyer, with a view to obtain a slower and quieter entering of the gas into the bell.
- the arm of the lever 8 oscillating on a spindle mounted in the casing inclosing the apparatus, presses from above against the arm of the lever e carrying the bell, under the influence of the float 11 sinking in the tank e which is now empty.
- the float 11 is again lifted and the pressure of the arm of the lever 8 on the arm of the lever 0 is removed, which permits of the free rising of the bell.
- the apparatus represented in Fig.2 of the drawing 1s in all respects similar to. that shown in Fi 1, except that it has undergone certain slight modifications suggested by practice.
- the chamber f is dispensed with, andthe ends of the pipes 4 and 5 lead directly into the tank e.
- the measuring chamber (1, is made in a cylindrical form, and
- traps are provided with sealed overflow pipes. But these. traps serve at the same. time as safety valves. In fact, if the gas inlet were obstructed, the injector 1) would draw air through the traps 15, 16, which would indicatethat the said inlet-pipe is obstructed. If these traps were not there, the injector, in case of obstruction of the pipe, would draw water from the chamber at through the pipe 0 and the partial vacuum which would thus be formed in the chamber (1 would cause the absorption liquid of the vessel It to enter thereinto.
- I claim 1 In combination, a measuring chamber, means for supplying gas to the measuring chamber, an absorption chamber, a eonnee tion between the measuring chamber and the absorption chamber, a tank, a connection between the tank and the measuring chamber, means for filling the tank with a liquid, a bell arranged above the absorption chamber, a connection between the absorption chamber and the interior of the bell, a pivoted lever connected to the bell, a registering stylus carried by the lever, a second lever pressing on the first named lever, and means for relieving the first named lever of the pressure of the second named lever.
- a measuring chamber means for supplying gas to the measuring chamber, an absorption chamber, a connection between the measuring chamber and the absorption chamber, a tank, a connection between the tank and the measuring chamber, means for filling the tank with a liquid, a bell arranged above the absorption chamber, a connection between the absorption chamber and the interior of the bell, a pivoted lever connected to the bell, a registering stylus carried by the lever, a second lever pressing on the first named lever, and means operative within the tank for relieving the first named lever of the pressure of the second named lever.
- a measuring chamber means for, sup lying gas to the measuring chamber, an alisorption chamber, a connection between the measuring chamber and the absorption chamber, a tank, a connection between the tank and the measuring chamber, means for filling the tank with a liquid, a bell above the absorption chamber, a connection between the absorption chamber and the interior of the bell, a pipe communicating with the connection between the absorption chamber and the bell emptying within the tank. 4
- a measuring chamber means for supplying gas to the measuring chamber, an absorption chamber, a connection between the measuring chamber and the absorption chamber, a tank, means for tilting the tank with a liquid, a connection between the tank and the measuring chamber, a chamber interposed in the connection between the tank and measuring chamber, means acting in conjunction with said chamber for emptying the tank at a predetermined time, a bell arranged above the absorption chamber and a connection between the absorption chamber and the interior of the bell.
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- Analytical Chemistry (AREA)
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Description
No. 895,798. PATENTBD AUG. 11, 1908.
E. SGHATZ. AUTOMATIC APPARATUS FOR GAS ANALYSIS.
APPLICATION FILED MAR.5,1906.
2 SHEETS-SHEET 1.
AUTOMATIC APPARATUS FOR GAS ANALYSIS.
Application filed March 5, 1906.
Specification of Letters Patent.
Patented Aug. 11, 1908.
Serial No. 304,283.
To all whom it may concern:
Be it known that l Enu. Scnlirz, a sub ject of the German Emperor, and resident ol Franklort-on-t lie-Main, l)anneckerstrasse 35), Germany, have invented certain new and usel'ul improvements in Automatic Apparatus lortlas Analysis, of which the l'ollowing is a. specilication.
The present invention rel'ers to improvements made in the apparatus described in the specilication of my application No. 304,282 tiled March 5, 1906 and its object is to obtain an exact automatic registration of,
the results oi an analysis, while the latter is being made. These results are realized by dill'erent special arrangements of the apparatus. First of all, the form of themeasuring chamber is such that it permits of a quiet entering of the gas to be analyzed into the bell; further, the lever or beam, carrying the hell on one of its arms, supports on its other arm the inscribing stylus oi the registering device; a weight mounted on the needle of this beam automatically compensates for the increase in the weiglit oi the bell as it rises out of the liquid, and linally, a lloat, regulated by the. liquid which at the same time serves to obtain a tight joint, ell'ects the return of the bell into the liquid which surrounds it.
The annexed drawing, given by way of ex ample, shows diagrammatically two forms of my improved apparatus.
Figure 1, is a sectional view illustrating the invention. illustrating a modilied form.
In Fig. 1, a is the gas inlet-pipe, connected with the gas supply, (the line of a furnace chimney, etc.); 1) is an injector connected with a water supply pipe; 0 is a pipe branched on the gas supply pipe (1/ and leading into the measuring chamber (1; c is a tank designed to receive the ilisplaping liquid; 7 is the pipe which establishes communication between the measuring cha mber (Z and the vessel It intended to receive the absorption liquid; i is a coil lilled with the absorption liquid, by means ol the passages j, and into the. lower extremity of which the pipe 9 opens, while its upper extremity extends into the interior of the bell It. 'lhocapacity ol' the latter is the same as that ol' the measuring chamber (1; it
Fig. .2, is a view similar to Fig. l,
is situated in a vessel l; s is a water cistern into which a water inlet-pipe connected with the, injector b cntcrs; this cistern is provided with an over-llow pipe 15: u is a pipe connecting the .cistern s with the tank which receives the displacing liquid.
Now, according to the present invention, the measuring chamber is made in the form of a bottle, and is placed exteriorly of the tank while the bottom of the measuring .chamber is connected by a pipe 4, with a chamber f, which is situated at the sidepf and is in connnunication with the tank e. A pipe 5, opening into the chamberf, serves to automatically withdraw the liquid from the tank c, when the liquid has risen to the bend of the pipe 5. The gas inlet-pipe c extends to near the bottom of the measuring chamber d, so that, when the lower extremity of this'pipe is sealed by the li( aid, the measuring chamber contains exactly 100 cubic centimeters o't gasv ()ne of the arms ol the lever or beam 0 which is pivoted as at o, carries the bell A, while the stylus ol the registering device is suspended from the other arm; this latter arm also carries a weight. (3 which serves to balance the. weight of the bell submerged in the li( uid. As is shownin the drawing, the need 0 of the beam 0 forms an obtuse angle with the arm carrying the bell, and this needle is provided with a. weight 7, so that the increase in weight of the bell, which takes place in proportion as it comes out of the liquid, is compensated for. Finally the casing inclosing the apparatus supports at 10 the axis of oscillation of a lever 8, the shortest arm of which carries a weight 9, while the longer arm is provided with a float 11 which )lunges into the tank e; the free end of this lever 8 comes down into contact with the arm of the lever 0 carrying the bell.
The working of the apparatus constructed in the manner described, is as follows: hen the level of the displacing liquid falls in the tank and in the measuring chamber (Z communicating with this latter the gas which has just been analyzed will escape from the hell I.', in view of the fact that the lower end of the connection pipe 3 has become unsealed in the tank (2. Simultaneously, the
gas to be analyzed is aspirated by the pipe 0 into the measuring chamber (1. When the liquid again rises in the tank and the meas uring bottle (I, it seals first of all the lower end of the gas inlet-pipe c, thus inelosing 100 cubic centimeters of fresh gas in the measuring bottle, under substantially atmospheric pressure. As the displacing liquid continues to rise, this column of gas is forced into the absor tion chamber and from this into the bell this latter rises in consequence, so that the style of the registering device is lowered to a corresponding extent 7 and registers the amount of the absorption,
as well as the final result. The registration of the result is thus made in the course of the analysis itself. Now, to effect a regular and certain registration, the upper part of the measuring chamber (1 is made narrow, and the pipe opening into the bell is contracted in the form of a twyer, with a view to obtain a slower and quieter entering of the gas into the bell.
In proportion as the bell rises under the influence of the pressure of the gas to be analyzed and emerges from the liquid, its weight increases; but at the same time the arm of the lever carrying the bell is lifted, and the weight 7, mounted on the needle of the lever, deviates to the opposite side, and this, the more so, as the bell rises higher. Consequently, by means of the weight 7, the automatic compensation of the increase or the decrease of the weight of the bell is obtained. To force the bell back again into the liquid, with a view to expel the gas which has just been analyzed, the arm of the lever 8, oscillating on a spindle mounted in the casing inclosing the apparatus, presses from above against the arm of the lever e carrying the bell, under the influence of the float 11 sinking in the tank e which is now empty. On the next rising of the liquid in the tank 6 and of the renewed forcing back of the fresh gas from the measuring chamber into the bell, the float 11 is again lifted and the pressure of the arm of the lever 8 on the arm of the lever 0 is removed, which permits of the free rising of the bell.
The apparatus represented in Fig.2 of the drawing 1s in all respects similar to. that shown in Fi 1, except that it has undergone certain slight modifications suggested by practice. Thus, the chamber f is dispensed with, andthe ends of the pipes 4 and 5 lead directly into the tank e. The measuring chamber (1, is made in a cylindrical form, and
V in the pipe 9' through which the gas is forced,
a ball or non-return valve is introduced. The counterpoises 6 and 9 of the beam 0 and of the lever 8 are dispensed with. Finally, two traps 15 and 16 on the feed-pipe a are provided one on each side of the branch 0.
These traps are provided with sealed overflow pipes. But these. traps serve at the same. time as safety valves. In fact, if the gas inlet were obstructed, the injector 1) would draw air through the traps 15, 16, which would indicatethat the said inlet-pipe is obstructed. If these traps were not there, the injector, in case of obstruction of the pipe, would draw water from the chamber at through the pipe 0 and the partial vacuum which would thus be formed in the chamber (1 would cause the absorption liquid of the vessel It to enter thereinto.
I claim 1. In combination, a measuring chamber, means for supplying gas to the measuring chamber, an absorption chamber, a eonnee tion between the measuring chamber and the absorption chamber, a tank, a connection between the tank and the measuring chamber, means for filling the tank with a liquid, a bell arranged above the absorption chamber, a connection between the absorption chamber and the interior of the bell, a pivoted lever connected to the bell, a registering stylus carried by the lever, a second lever pressing on the first named lever, and means for relieving the first named lever of the pressure of the second named lever.
2. In combination, a measuring chamber, means for supplying gas to the measuring chamber, an absorption chamber, a connection between the measuring chamber and the absorption chamber, a tank, a connection between the tank and the measuring chamber, means for filling the tank with a liquid, a bell arranged above the absorption chamber, a connection between the absorption chamber and the interior of the bell, a pivoted lever connected to the bell, a registering stylus carried by the lever, a second lever pressing on the first named lever, and means operative within the tank for relieving the first named lever of the pressure of the second named lever.
3. In combination, a measuring chamber, means for, sup lying gas to the measuring chamber, an alisorption chamber, a connection between the measuring chamber and the absorption chamber, a tank, a connection between the tank and the measuring chamber, means for filling the tank with a liquid, a bell above the absorption chamber, a connection between the absorption chamber and the interior of the bell, a pipe communicating with the connection between the absorption chamber and the bell emptying within the tank. 4
4. In combination, a measuring chamber, means for supplying gas to the measuring chamber, an absorption chamber, a connection between the measuring chamber and the absorption chamber, a tank, means for tilting the tank with a liquid, a connection between the tank and the measuring chamber, a chamber interposed in the connection between the tank and measuring chamber, means acting in conjunction with said chamber for emptying the tank at a predetermined time, a bell arranged above the absorption chamber and a connection between the absorption chamber and the interior of the bell.
In testimony whereof I have hereunto set Witnesses:
JEAN GRUND, ()Am, GRUNI).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US30428306A US895798A (en) | 1906-03-05 | 1906-03-05 | Automatic apparatus for gas analysis. |
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Application Number | Priority Date | Filing Date | Title |
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US30428306A US895798A (en) | 1906-03-05 | 1906-03-05 | Automatic apparatus for gas analysis. |
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US895798A true US895798A (en) | 1908-08-11 |
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US30428306A Expired - Lifetime US895798A (en) | 1906-03-05 | 1906-03-05 | Automatic apparatus for gas analysis. |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3041147A (en) * | 1959-04-15 | 1962-06-26 | Heineken S Brouwerijen Nederla | Apparatus for determining the purity of gases |
-
1906
- 1906-03-05 US US30428306A patent/US895798A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3041147A (en) * | 1959-04-15 | 1962-06-26 | Heineken S Brouwerijen Nederla | Apparatus for determining the purity of gases |
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