DE2028304A1 - Vorrichtung zum Messen der Anzahl von Kondensationskernen in Gasen - Google Patents
Vorrichtung zum Messen der Anzahl von Kondensationskernen in GasenInfo
- Publication number
- DE2028304A1 DE2028304A1 DE19702028304 DE2028304A DE2028304A1 DE 2028304 A1 DE2028304 A1 DE 2028304A1 DE 19702028304 DE19702028304 DE 19702028304 DE 2028304 A DE2028304 A DE 2028304A DE 2028304 A1 DE2028304 A1 DE 2028304A1
- Authority
- DE
- Germany
- Prior art keywords
- decompression chamber
- chamber
- pressure
- membrane
- valve
- 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.)
- Pending
Links
- 239000007789 gas Substances 0.000 title claims description 34
- 230000005494 condensation Effects 0.000 title claims description 19
- 238000009833 condensation Methods 0.000 title claims description 19
- 239000012528 membrane Substances 0.000 claims description 23
- 230000006837 decompression Effects 0.000 claims description 20
- 238000013016 damping Methods 0.000 claims 1
- 239000003595 mist Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000002245 particle Substances 0.000 description 9
- 238000005259 measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 230000010349 pulsation Effects 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- BHMLFPOTZYRDKA-IRXDYDNUSA-N (2s)-2-[(s)-(2-iodophenoxy)-phenylmethyl]morpholine Chemical compound IC1=CC=CC=C1O[C@@H](C=1C=CC=CC=1)[C@H]1OCCNC1 BHMLFPOTZYRDKA-IRXDYDNUSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/065—Investigating concentration of particle suspensions using condensation nuclei counters
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Treatment Of Fiber Materials (AREA)
- Saccharide Compounds (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US83482269A | 1969-06-19 | 1969-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2028304A1 true DE2028304A1 (de) | 1970-12-23 |
Family
ID=25267898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702028304 Pending DE2028304A1 (de) | 1969-06-19 | 1970-06-09 | Vorrichtung zum Messen der Anzahl von Kondensationskernen in Gasen |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3632210A (enExample) |
| DE (1) | DE2028304A1 (enExample) |
| FR (1) | FR2052829A5 (enExample) |
| GB (2) | GB1321631A (enExample) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3678487A (en) * | 1971-02-08 | 1972-07-18 | Environment One Corp | Multi-zone incipient or actual fire and/or dangerous gas detection system |
| US3715809A (en) * | 1971-11-05 | 1973-02-13 | Environment One Corp | Educational atmospheric particle detector |
| US3740149A (en) * | 1972-02-02 | 1973-06-19 | Gen Electric | Method and apparatus for measuring size distribution of particles using a three-dimensional alternating current electric field |
| US3890046A (en) * | 1974-05-09 | 1975-06-17 | Us Energy | Condensation nucleus discriminator |
| US3914053A (en) * | 1974-12-09 | 1975-10-21 | Us Navy | Ice nuclei counter |
| US4804274A (en) * | 1986-12-30 | 1989-02-14 | Mobil Oil Corporation | Method and apparatus for determining phase transition temperature using laser attenuation |
| US4833688A (en) * | 1988-01-07 | 1989-05-23 | Combustion Engineering, Inc. | Two-phase flow quality measuring device |
| US5026155A (en) * | 1989-09-06 | 1991-06-25 | Air Products And Chemicals, Inc. | Process for sizing particles using condensation nucleus counting |
| US5277074A (en) * | 1991-09-24 | 1994-01-11 | Amherst Process Instruments, Inc. | Variable volume sampling chamber |
| US5946091A (en) * | 1997-04-10 | 1999-08-31 | Yufa; Aleksandr L. | Method and device for precise counting and measuring the particles |
| US6469780B1 (en) | 1998-12-21 | 2002-10-22 | Air Products And Chemicals, Inc. | Apparatus and method for detecting particles in reactive and toxic gases |
| DE102005016761A1 (de) * | 2005-04-11 | 2006-10-12 | Mahle International Gmbh | Partikelzähler für Fremdpartikel in einem Flüssigkeitsstrom |
| US9610531B2 (en) | 2010-08-27 | 2017-04-04 | Aerosol Dynamics Inc. | Wick wetting for water condensation systems |
| US9579662B2 (en) | 2010-08-27 | 2017-02-28 | Aerosol Dynamics Inc. | Condensation-evaporator nanoparticle charger |
| US9297726B2 (en) * | 2012-05-23 | 2016-03-29 | Avl Test Systems, Inc. | Exhaust sampling system and method for water vapor management |
| US9518897B2 (en) | 2012-05-29 | 2016-12-13 | Avl Test Systems, Inc. | Intelligent bag filling for exhaust sampling system |
| JP6725540B2 (ja) | 2015-02-23 | 2020-07-22 | ティーエスアイ インコーポレイテッド | 凝縮粒子カウンタの偽カウント性能 |
| US11029240B2 (en) | 2018-10-12 | 2021-06-08 | Aerosol Dynamics Inc. | Wick moisture sensor for airborne particle condensational growth systems |
| WO2020092908A1 (en) | 2018-11-01 | 2020-05-07 | Aerosol Dynamics Inc. | Humidity conditioning for water-based condensational growth of ultrafine particles |
| CN111855543B (zh) * | 2020-07-30 | 2025-07-08 | 武汉云侦科技有限公司 | 一种环境气体中纳米粒子探测系统 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2413851A (en) * | 1945-07-03 | 1947-01-07 | Malsbary Mfg Company | Pump |
| US2684008A (en) * | 1949-11-23 | 1954-07-20 | Gen Electric | Method and apparatus for measuring the concentration of condensation nuclei |
| US2938423A (en) * | 1956-06-27 | 1960-05-31 | Gen Electric | Incipient fog detector |
| US3037421A (en) * | 1956-07-27 | 1962-06-05 | Gen Electric | Condensation nuclei detector |
| US3014360A (en) * | 1958-12-30 | 1961-12-26 | Adolf L Herrmann | Vertical accelerator for missile components |
| US3385772A (en) * | 1965-03-22 | 1968-05-28 | Exxon Research Engineering Co | Process and apparatus for controlling the vapor pressure of the feed in a distillation operation |
-
1969
- 1969-06-19 US US834822A patent/US3632210A/en not_active Expired - Lifetime
-
1970
- 1970-06-09 DE DE19702028304 patent/DE2028304A1/de active Pending
- 1970-06-18 GB GB2951770A patent/GB1321631A/en not_active Expired
- 1970-06-18 GB GB392973A patent/GB1321632A/en not_active Expired
- 1970-06-19 FR FR7022773A patent/FR2052829A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1321631A (en) | 1973-06-27 |
| GB1321632A (en) | 1973-06-27 |
| US3632210A (en) | 1972-01-04 |
| FR2052829A5 (enExample) | 1971-04-09 |
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