US5127259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for determining volatile substances in liquid
Assignee: Bayer AG
•
Filing: 1991-03-07
•
Granted: 1992-07-07
•
Expires: 2011-03-07
Abstract
Abstract The apparatus for determining volatile gases and/or vapor components in a flowing liquid consists basically of a gas analysis instrument (8) which is charged via a sampling tube (9) with the components to be measured which have been freed from the liquid. A carrier gas (17) is passed through a gas inlet tube (11) into the flowing liquid and liberates the gas components to be measured, which are then passed together with the carrier gas (13) through the sampling tube (9) to the gas analysis instrument (8). For this purpose the sampling tube (9) is connected to a dip tube (3) which projects into the liquid and surrounds a porous distributor body (12) for introducing the carrier gas (13) in the form of finely disperse gas bubbles, which distributor body is connected to the gas inlet tube (11) and is subjected to the flow of liquid from the side.
Inventors
- 👤 Melchior Kahl
- 👤 Dieter Kitzelmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:15
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/28; G01N1/40; G01N1/4055; G01N2001/4066; G01N33/00; G01N33/18
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
156 words
In an apparatus for determining volatile gas and/or vapor components in a flowing liquid, comprising a gas analysis instrument which is connected to the liquid via a sampling tube, an carrier gas bubbling through a gas inlet tube into the flowing liquid and thus stripping out the gas components which are to be measured and which are passed together with the carrier gas through the sampling tube to the gas analysis instrument, the improvement wherein the sampling tube is connected to a dip tube which projects into the liquid and surrounds a porous distributor body for introducing the carrier gas in the form of finely dispersed gas bubbles, wherein the distributor body is connected to the gas inlet tube on one side and is subjected to the flow of liquid on an opposite side; and wherein the distributor body comprises a porous element having said opposite side arranged at an angle to the direction of flow.
Claim 2
Dependent Claim
156 words
In an apparatus for determining volatile gas and/or vapor components in a flowing liquid, comprising a gas analysis instrument which is connected to the liquid via a sampling tube, an carrier gas bubbling through a gas inlet tube into the flowing liquid and thus stripping out the gas components which are to be measured and which are passed together with the carrier gas through the sampling tube to the gas analysis instrument, the improvement wherein the sampling tube is connected to a dip tube which projects into the liquid and surrounds a porous distributor body for introducing the carrier gas in the form of finely dispersed gas bubbles, wherein the distributor body is connected to the gas inlet tube on one side and is subjected to the flow of liquid on an opposite side; and wherein the distributor body comprises a porous element having said opposite side arranged at an angle to the direction of flow.
Claim 3
Dependent Claim
13 words
Apparatus according to claim 1, wherein the distributor body comprises a porous plate.
Claim 4
Dependent Claim
28 words
Apparatus according to claim 1, wherein the angle of incidence α of the opposite side of the porous distributor body is in the range of 30° to 85°.
Claim 5
Dependent Claim
42 words
Apparatus according to claim 1, wherein the lower end of the dip tube is bevelled on the side facing the flowing liquid and its part located inside the flow pipe extends over at least two-thirds of the diameter of the flow pipe.
Claim 6
Dependent Claim
35 words
Apparatus according to claim 1, wherein the distance a between the lower end of the distributor body and the lower end of the dip tube is in the range of 0.5 cm to 1.5 cm.
Claim 7
Dependent Claim
12 words
Apparatus according to claim 1, wherein the dip tube has an overflow.
Claim 8
Dependent Claim
27 words
Apparatus according to claim 1, wherein the gas analysis instrument comprises a flame ionisation detector having means for applying a vacuum on the gas side inlet thereof.
Claim 9
Dependent Claim
28 words
Apparatus according to claim 1, wherein the angle of incidence α of the opposite side of the porous distributor body is in the range of 50° to 70°.
References Cited (Backward Citations)
SU913152A1
Cited
US4330385A
Cited
JPS5717848A
Cited
SU1000847A1
Cited
JPS6114363A
Cited
US4715217A
Cited
US4731732A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-07-07 | 1996-01-06 | 1996-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-07-07 | 2000-01-06 | 2000-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-07-07 | 2004-01-06 | 2004-07-07 | $7700.00 | Window Closed / Lapsed |