DK167823B1 - Apparat til registrering af et koelemiddels fugtigheds- og syreindhold - Google Patents
Apparat til registrering af et koelemiddels fugtigheds- og syreindhold Download PDFInfo
- Publication number
- DK167823B1 DK167823B1 DK118491A DK118491A DK167823B1 DK 167823 B1 DK167823 B1 DK 167823B1 DK 118491 A DK118491 A DK 118491A DK 118491 A DK118491 A DK 118491A DK 167823 B1 DK167823 B1 DK 167823B1
- Authority
- DK
- Denmark
- Prior art keywords
- sensing element
- circuit
- capacitive sensing
- refrigerant
- integrator
- Prior art date
Links
- 239000003507 refrigerant Substances 0.000 title claims description 22
- 230000003020 moisturizing effect Effects 0.000 title 1
- 239000002253 acid Substances 0.000 claims description 24
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 150000002739 metals Chemical class 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 8
- 238000001816 cooling Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 241000158147 Sator Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 238000011005 laboratory method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (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)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK118491A DK167823B1 (da) | 1991-06-18 | 1991-06-18 | Apparat til registrering af et koelemiddels fugtigheds- og syreindhold |
| US08/162,197 US5439644A (en) | 1991-06-18 | 1992-06-17 | Apparatus for the registration of the contents of humidity and acid in a coolant |
| PCT/DK1992/000189 WO1992022809A1 (en) | 1991-06-18 | 1992-06-17 | Apparatus for the registration of the contents of humidity and acid in a coolant |
| ES92912242T ES2092119T3 (es) | 1991-06-18 | 1992-06-17 | Aparato para registrar la humedad y el contenido de acido de un refrigerante. |
| DE69213737T DE69213737T2 (de) | 1991-06-18 | 1992-06-17 | Vorrichtung zur feststellung des feuchtigkeits- und des säuregehalts eines kühlmittels |
| EP92912242A EP0589968B1 (en) | 1991-06-18 | 1992-06-17 | Apparatus for the registration of the contents of humidity and acid in a coolant |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK118491A DK167823B1 (da) | 1991-06-18 | 1991-06-18 | Apparat til registrering af et koelemiddels fugtigheds- og syreindhold |
| DK118491 | 1991-06-18 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK118491D0 DK118491D0 (da) | 1991-06-18 |
| DK118491A DK118491A (da) | 1992-12-19 |
| DK167823B1 true DK167823B1 (da) | 1993-12-20 |
Family
ID=8101931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK118491A DK167823B1 (da) | 1991-06-18 | 1991-06-18 | Apparat til registrering af et koelemiddels fugtigheds- og syreindhold |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5439644A (es) |
| EP (1) | EP0589968B1 (es) |
| DE (1) | DE69213737T2 (es) |
| DK (1) | DK167823B1 (es) |
| ES (1) | ES2092119T3 (es) |
| WO (1) | WO1992022809A1 (es) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4421906C2 (de) * | 1994-06-24 | 1996-10-24 | Vdo Schindling | Verfahren und Schaltungsanordnung zur Messung des Widerstandes eines Widerstandssensors |
| ITBO20010095A1 (it) * | 2001-02-20 | 2002-08-20 | Ocem Spa | Sistema di gestione di un impianto di illuminazione mediante reti a radiofrequenza |
| US6597587B1 (en) * | 2002-04-02 | 2003-07-22 | The University Of Hong Kong | Current driven synchronous rectifier with energy recovery using hysterisis driver |
| DE202017105769U1 (de) | 2016-09-23 | 2017-12-21 | Trane International Inc. | System zum Detektieren einer Verunreinigung von Kältemittelgas in einem HLKK-System |
| CN121195161A (zh) | 2023-05-18 | 2025-12-23 | 丹佛斯有限公司 | 测量制冷循环的制冷剂中的水含量的装置和方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE370801B (es) * | 1973-03-02 | 1974-10-28 | R Strand | |
| JPS5025278A (es) * | 1973-03-02 | 1975-03-17 | ||
| JPS55121145A (en) * | 1979-03-12 | 1980-09-18 | Matsushita Electric Ind Co Ltd | Humidity control circuit |
| GB2149117A (en) * | 1983-11-04 | 1985-06-05 | Anderson Strathclyde Plc | Detection of water in oil |
| US4923806A (en) * | 1985-06-14 | 1990-05-08 | Carrier Corporation | Method and apparatus for refrigerant testing in a closed system |
| US5071768A (en) * | 1985-06-14 | 1991-12-10 | Carrier Corporation | Method and apparatus for refrigerant testing in a closed system |
| US4890459A (en) * | 1988-12-08 | 1990-01-02 | Thermo King Corporation | Monitor for refrigeration system |
| DE3915563C1 (es) * | 1989-05-12 | 1990-10-25 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De | |
| US5289132A (en) * | 1991-12-04 | 1994-02-22 | Oksman Henry C | Voltage characteristic comparator for discriminating solutions |
-
1991
- 1991-06-18 DK DK118491A patent/DK167823B1/da not_active IP Right Cessation
-
1992
- 1992-06-17 ES ES92912242T patent/ES2092119T3/es not_active Expired - Lifetime
- 1992-06-17 WO PCT/DK1992/000189 patent/WO1992022809A1/en not_active Ceased
- 1992-06-17 DE DE69213737T patent/DE69213737T2/de not_active Expired - Fee Related
- 1992-06-17 US US08/162,197 patent/US5439644A/en not_active Expired - Fee Related
- 1992-06-17 EP EP92912242A patent/EP0589968B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| WO1992022809A1 (en) | 1992-12-23 |
| DK118491A (da) | 1992-12-19 |
| ES2092119T3 (es) | 1996-11-16 |
| EP0589968B1 (en) | 1996-09-11 |
| DE69213737D1 (de) | 1996-10-17 |
| EP0589968A1 (en) | 1994-04-06 |
| DE69213737T2 (de) | 1997-02-13 |
| DK118491D0 (da) | 1991-06-18 |
| US5439644A (en) | 1995-08-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B1 | Patent granted (law 1993) | ||
| PBP | Patent lapsed |