DE2014747C3 - - Google Patents
Info
- Publication number
- DE2014747C3 DE2014747C3 DE2014747A DE2014747A DE2014747C3 DE 2014747 C3 DE2014747 C3 DE 2014747C3 DE 2014747 A DE2014747 A DE 2014747A DE 2014747 A DE2014747 A DE 2014747A DE 2014747 C3 DE2014747 C3 DE 2014747C3
- Authority
- DE
- Germany
- Prior art keywords
- ion
- electrode
- circuit
- gas
- downstream
- 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
- 150000002500 ions Chemical class 0.000 claims description 34
- 238000005040 ion trap Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000009499 grossing Methods 0.000 claims description 3
- 230000002285 radioactive effect Effects 0.000 claims description 3
- CIOAGBVUUVVLOB-NJFSPNSNSA-N Strontium-90 Chemical compound [90Sr] CIOAGBVUUVVLOB-NJFSPNSNSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims 4
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005192 partition Methods 0.000 claims 1
- 230000000737 periodic effect Effects 0.000 claims 1
- 230000001960 triggered effect Effects 0.000 claims 1
- 230000000630 rising effect Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 235000006545 Ziziphus mauritiana Nutrition 0.000 description 1
- 240000000038 Ziziphus mauritiana Species 0.000 description 1
- LXQXZNRPTYVCNG-YPZZEJLDSA-N americium-241 Chemical compound [241Am] LXQXZNRPTYVCNG-YPZZEJLDSA-N 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
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
- G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
- G01F1/7046—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter using electrical loaded particles as tracer, e.g. ions or electrons
-
- 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
- G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
- G01F1/708—Measuring the time taken to traverse a fixed distance
- G01F1/7088—Measuring the time taken to traverse a fixed distance using electrically charged particles as tracers
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB06537/69A GB1300555A (en) | 1969-03-28 | 1969-03-28 | Improvements in measuring the density, velocity and mass flow of gases |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2014747A1 DE2014747A1 (de) | 1970-10-01 |
DE2014747B2 DE2014747B2 (de) | 1979-05-17 |
DE2014747C3 true DE2014747C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-02-07 |
Family
ID=10079110
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2014747A Granted DE2014747B2 (de) | 1969-03-28 | 1970-03-26 | Verfahren und Einrichtung zur Massendurchflußmessung eines durch eine Leitung strömenden Gases |
Country Status (3)
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3839910A (en) * | 1971-04-01 | 1974-10-08 | Bell Telephone Labor Inc | Process for monitoring abnormal gas flow rates in a stack having an established flow rate |
US3892968A (en) * | 1971-08-06 | 1975-07-01 | James Ephraim Lovelock | Electron capture detector systems |
US3789663A (en) * | 1972-05-11 | 1974-02-05 | S Gold | Apparatus for measuring the flow velocity of fluid within a conduit |
JPS5368274A (en) * | 1976-11-30 | 1978-06-17 | Nissan Motor | Measuring apparatus for flow rate |
JPS5379572A (en) * | 1976-12-23 | 1978-07-14 | Nissan Motor | Measuring apparatus for flow rate |
US4248086A (en) * | 1978-02-24 | 1981-02-03 | S.C.I. Le Brin | Device for measuring the mass flow or flow rate of an insulating liquid |
FR2462711A1 (fr) * | 1979-07-26 | 1981-02-13 | Joly Luc | Procede de mesure de vitesse d'ecoulement d'un fluide par determination de la duree de transit d'un marqueur, et debitmetre fonde sur ce procede |
US4490077A (en) * | 1981-07-28 | 1984-12-25 | Nippon Kokan Kabushiki Kaisha | Apparatus for continuously measuring flow rate of fine material flowing through transport pipe |
US4499380A (en) * | 1982-10-21 | 1985-02-12 | Esso Resources Canada, Ltd. | Apparatus and method for determining the hydrogen content of a substance |
AU6146394A (en) * | 1993-03-05 | 1994-09-26 | Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland, The | Gas detection devices |
US6987502B1 (en) * | 1999-01-08 | 2006-01-17 | Canon Kabushiki Kaisha | Electrophoretic display device |
RU2225620C2 (ru) * | 2001-04-28 | 2004-03-10 | Елохин Александр Прокопьевич | Способ безынерционного измерения скорости потока газа, имеющего сродство к электрону, и устройство для его осуществления |
FI118277B (fi) * | 2002-03-25 | 2007-09-14 | Environics Oy | Kennorakenne, laite ja menetelmä |
US8002948B2 (en) * | 2002-04-24 | 2011-08-23 | Sipix Imaging, Inc. | Process for forming a patterned thin film structure on a substrate |
GB0525305D0 (en) * | 2005-12-13 | 2006-01-18 | Sentec Ltd | Gas meter with selective ion modulation |
US8091433B2 (en) * | 2005-12-13 | 2012-01-10 | Sentec Limited | Ioniser type gas meter having modulating electrode downstream of ioniser |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2569974A (en) * | 1944-04-11 | 1951-10-02 | United Aircraft Corp | Velocity measuring device |
NL76874C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1948-08-31 | |||
US2637208A (en) * | 1949-11-17 | 1953-05-05 | Nat Res Corp | Velocity measuring by use of high energy electrons |
US2861452A (en) * | 1956-04-23 | 1958-11-25 | Gen Electric | Nuclear anemometer |
-
1969
- 1969-03-28 GB GB06537/69A patent/GB1300555A/en not_active Expired
-
1970
- 1970-03-23 US US21940A patent/US3688106A/en not_active Expired - Lifetime
- 1970-03-26 DE DE2014747A patent/DE2014747B2/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2014747B2 (de) | 1979-05-17 |
US3688106A (en) | 1972-08-29 |
GB1300555A (en) | 1972-12-20 |
DE2014747A1 (de) | 1970-10-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C3 | Grant after two publication steps (3rd publication) | ||
8339 | Ceased/non-payment of the annual fee |