CA2234759C - Oxygen concentrator with beds' duty cycle control and self-test - Google Patents
Oxygen concentrator with beds' duty cycle control and self-test Download PDFInfo
- Publication number
- CA2234759C CA2234759C CA002234759A CA2234759A CA2234759C CA 2234759 C CA2234759 C CA 2234759C CA 002234759 A CA002234759 A CA 002234759A CA 2234759 A CA2234759 A CA 2234759A CA 2234759 C CA2234759 C CA 2234759C
- Authority
- CA
- Canada
- Prior art keywords
- molecular sieve
- oxygen
- sieve bed
- duty cycle
- pressurizing
- 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 - Fee Related
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 136
- 239000001301 oxygen Substances 0.000 title claims abstract description 136
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 136
- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 239000002808 molecular sieve Substances 0.000 claims abstract description 72
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000011010 flushing procedure Methods 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000000593 degrading effect Effects 0.000 claims abstract description 3
- 239000003570 air Substances 0.000 claims description 47
- 239000007789 gas Substances 0.000 claims description 42
- 230000008859 change Effects 0.000 claims description 14
- 230000003213 activating effect Effects 0.000 claims description 3
- 239000012080 ambient air Substances 0.000 claims description 3
- 230000007257 malfunction Effects 0.000 claims 2
- 238000004904 shortening Methods 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000010420 art technique Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 238000010926 purge Methods 0.000 description 8
- 230000000881 depressing effect Effects 0.000 description 6
- 238000003795 desorption Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 230000029058 respiratory gaseous exchange Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 101100457678 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) MNN10 gene Proteins 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 102100023882 Endoribonuclease ZC3H12A Human genes 0.000 description 2
- 101710112715 Endoribonuclease ZC3H12A Proteins 0.000 description 2
- 101000833492 Homo sapiens Jouberin Proteins 0.000 description 2
- 101000651236 Homo sapiens NCK-interacting protein with SH3 domain Proteins 0.000 description 2
- 102100024407 Jouberin Human genes 0.000 description 2
- 101710159752 Poly(3-hydroxyalkanoate) polymerase subunit PhaE Proteins 0.000 description 2
- 101710130262 Probable Vpr-like protein Proteins 0.000 description 2
- 208000007123 Pulmonary Atelectasis Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 230000001143 conditioned effect Effects 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- HHNFORCFJOVQNF-UHFFFAOYSA-N cyl-1 Chemical compound N1C(=O)C(CCCCCC(=O)C2OC2)NC(=O)C2CCCN2C(=O)C(C(C)CC)NC(=O)C1CC1=CC=C(OC)C=C1 HHNFORCFJOVQNF-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- QGVYYLZOAMMKAH-UHFFFAOYSA-N pegnivacogin Chemical compound COCCOC(=O)NCCCCC(NC(=O)OCCOC)C(=O)NCCCCCCOP(=O)(O)O QGVYYLZOAMMKAH-UHFFFAOYSA-N 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- WANLLPADDCXPGO-WMKJBNATSA-N (6r,9s,12s)-3-[(2s)-butan-2-yl]-6-[(4-methoxyphenyl)methyl]-9-[6-(oxiran-2-yl)-6-oxohexyl]-1,4,7,10-tetrazabicyclo[10.4.0]hexadecane-2,5,8,11-tetrone Chemical compound C([C@@H]1C(=O)NC(C(N2CCCC[C@H]2C(=O)N[C@@H](CCCCCC(=O)C2OC2)C(=O)N1)=O)[C@@H](C)CC)C1=CC=C(OC)C=C1 WANLLPADDCXPGO-WMKJBNATSA-N 0.000 description 1
- 101000768957 Acholeplasma phage L2 Uncharacterized 37.2 kDa protein Proteins 0.000 description 1
- 101000823746 Acidianus ambivalens Uncharacterized 17.7 kDa protein in bps2 3'region Proteins 0.000 description 1
- 101000916369 Acidianus ambivalens Uncharacterized protein in sor 5'region Proteins 0.000 description 1
- 101000769342 Acinetobacter guillouiae Uncharacterized protein in rpoN-murA intergenic region Proteins 0.000 description 1
- 101000823696 Actinobacillus pleuropneumoniae Uncharacterized glycosyltransferase in aroQ 3'region Proteins 0.000 description 1
- 101001091423 Agaricus bisporus Polyphenol oxidase 2 Proteins 0.000 description 1
- 101000786513 Agrobacterium tumefaciens (strain 15955) Uncharacterized protein outside the virF region Proteins 0.000 description 1
- 101000618005 Alkalihalobacillus pseudofirmus (strain ATCC BAA-2126 / JCM 17055 / OF4) Uncharacterized protein BpOF4_00885 Proteins 0.000 description 1
- 102100020724 Ankyrin repeat, SAM and basic leucine zipper domain-containing protein 1 Human genes 0.000 description 1
- 101100117391 Arabidopsis thaliana DPB2 gene Proteins 0.000 description 1
- 101100025691 Arabidopsis thaliana NAGLU gene Proteins 0.000 description 1
- 101000611523 Arabidopsis thaliana Protoporphyrinogen oxidase 2, chloroplastic/mitochondrial Proteins 0.000 description 1
- 101000967489 Azorhizobium caulinodans (strain ATCC 43989 / DSM 5975 / JCM 20966 / LMG 6465 / NBRC 14845 / NCIMB 13405 / ORS 571) Uncharacterized protein AZC_3924 Proteins 0.000 description 1
- 101000823761 Bacillus licheniformis Uncharacterized 9.4 kDa protein in flaL 3'region Proteins 0.000 description 1
- 101000819719 Bacillus methanolicus Uncharacterized N-acetyltransferase in lysA 3'region Proteins 0.000 description 1
- 101000789586 Bacillus subtilis (strain 168) UPF0702 transmembrane protein YkjA Proteins 0.000 description 1
- 101000792624 Bacillus subtilis (strain 168) Uncharacterized protein YbxH Proteins 0.000 description 1
- 101000790792 Bacillus subtilis (strain 168) Uncharacterized protein YckC Proteins 0.000 description 1
- 101000819705 Bacillus subtilis (strain 168) Uncharacterized protein YlxR Proteins 0.000 description 1
- 101000948218 Bacillus subtilis (strain 168) Uncharacterized protein YtxJ Proteins 0.000 description 1
- 101000718627 Bacillus thuringiensis subsp. kurstaki Putative RNA polymerase sigma-G factor Proteins 0.000 description 1
- 101000641200 Bombyx mori densovirus Putative non-structural protein Proteins 0.000 description 1
- 101150020445 CYLC1 gene Proteins 0.000 description 1
- 101150080636 CYLC2 gene Proteins 0.000 description 1
- 101000947633 Claviceps purpurea Uncharacterized 13.8 kDa protein Proteins 0.000 description 1
- WANLLPADDCXPGO-UHFFFAOYSA-N Cyl-2 Natural products N1C(=O)C(CCCCCC(=O)C2OC2)NC(=O)C2CCCCN2C(=O)C(C(C)CC)NC(=O)C1CC1=CC=C(OC)C=C1 WANLLPADDCXPGO-UHFFFAOYSA-N 0.000 description 1
- 102100036233 Cylicin-1 Human genes 0.000 description 1
- 102100024257 Cylicin-2 Human genes 0.000 description 1
- 101000948901 Enterobacteria phage T4 Uncharacterized 16.0 kDa protein in segB-ipI intergenic region Proteins 0.000 description 1
- 101000805958 Equine herpesvirus 4 (strain 1942) Virion protein US10 homolog Proteins 0.000 description 1
- 101000790442 Escherichia coli Insertion element IS2 uncharacterized 11.1 kDa protein Proteins 0.000 description 1
- 101000788354 Escherichia phage P2 Uncharacterized 8.2 kDa protein in gpA 5'region Proteins 0.000 description 1
- 101000770304 Frankia alni UPF0460 protein in nifX-nifW intergenic region Proteins 0.000 description 1
- 101000797344 Geobacillus stearothermophilus Putative tRNA (cytidine(34)-2'-O)-methyltransferase Proteins 0.000 description 1
- 101000748410 Geobacillus stearothermophilus Uncharacterized protein in fumA 3'region Proteins 0.000 description 1
- 101000772675 Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd) UPF0438 protein HI_0847 Proteins 0.000 description 1
- 101000631019 Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd) Uncharacterized protein HI_0350 Proteins 0.000 description 1
- 101000768938 Haemophilus phage HP1 (strain HP1c1) Uncharacterized 8.9 kDa protein in int-C1 intergenic region Proteins 0.000 description 1
- 101000785414 Homo sapiens Ankyrin repeat, SAM and basic leucine zipper domain-containing protein 1 Proteins 0.000 description 1
- 101000782488 Junonia coenia densovirus (isolate pBRJ/1990) Putative non-structural protein NS2 Proteins 0.000 description 1
- 101000811523 Klebsiella pneumoniae Uncharacterized 55.8 kDa protein in cps region Proteins 0.000 description 1
- 101000818409 Lactococcus lactis subsp. lactis Uncharacterized HTH-type transcriptional regulator in lacX 3'region Proteins 0.000 description 1
- 101000878851 Leptolyngbya boryana Putative Fe(2+) transport protein A Proteins 0.000 description 1
- 101000758828 Methanosarcina barkeri (strain Fusaro / DSM 804) Uncharacterized protein Mbar_A1602 Proteins 0.000 description 1
- 101001122401 Middle East respiratory syndrome-related coronavirus (isolate United Kingdom/H123990006/2012) Non-structural protein ORF3 Proteins 0.000 description 1
- 101001044053 Mus musculus Lithostathine-1 Proteins 0.000 description 1
- 101001055788 Mycolicibacterium smegmatis (strain ATCC 700084 / mc(2)155) Pentapeptide repeat protein MfpA Proteins 0.000 description 1
- 101000740670 Orgyia pseudotsugata multicapsid polyhedrosis virus Protein C42 Proteins 0.000 description 1
- 101100441845 Oryza sativa subsp. japonica CYL1 gene Proteins 0.000 description 1
- 101100441847 Oryza sativa subsp. japonica CYL2 gene Proteins 0.000 description 1
- 101000769182 Photorhabdus luminescens Uncharacterized protein in pnp 3'region Proteins 0.000 description 1
- 108020001991 Protoporphyrinogen Oxidase Proteins 0.000 description 1
- 101000961392 Pseudescherichia vulneris Uncharacterized 29.9 kDa protein in crtE 3'region Proteins 0.000 description 1
- 101000731030 Pseudomonas oleovorans Poly(3-hydroxyalkanoate) polymerase 2 Proteins 0.000 description 1
- 101001065485 Pseudomonas putida Probable fatty acid methyltransferase Proteins 0.000 description 1
- 108700012361 REG2 Proteins 0.000 description 1
- 101150108637 REG2 gene Proteins 0.000 description 1
- 101100120298 Rattus norvegicus Flot1 gene Proteins 0.000 description 1
- 101100412403 Rattus norvegicus Reg3b gene Proteins 0.000 description 1
- 101000711023 Rhizobium leguminosarum bv. trifolii Uncharacterized protein in tfuA 3'region Proteins 0.000 description 1
- 101000948156 Rhodococcus erythropolis Uncharacterized 47.3 kDa protein in thcA 5'region Proteins 0.000 description 1
- 101000917565 Rhodococcus fascians Uncharacterized 33.6 kDa protein in fasciation locus Proteins 0.000 description 1
- 101000790284 Saimiriine herpesvirus 2 (strain 488) Uncharacterized 9.5 kDa protein in DHFR 3'region Proteins 0.000 description 1
- 101000936719 Streptococcus gordonii Accessory Sec system protein Asp3 Proteins 0.000 description 1
- 101000788499 Streptomyces coelicolor Uncharacterized oxidoreductase in mprA 5'region Proteins 0.000 description 1
- 101001102841 Streptomyces griseus Purine nucleoside phosphorylase ORF3 Proteins 0.000 description 1
- 101000708557 Streptomyces lincolnensis Uncharacterized 17.2 kDa protein in melC2-rnhH intergenic region Proteins 0.000 description 1
- 101000649826 Thermotoga neapolitana Putative anti-sigma factor antagonist TM1081 homolog Proteins 0.000 description 1
- 101000827562 Vibrio alginolyticus Uncharacterized protein in proC 3'region Proteins 0.000 description 1
- 101000778915 Vibrio parahaemolyticus serotype O3:K6 (strain RIMD 2210633) Uncharacterized membrane protein VP2115 Proteins 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002789 length control Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space
- B64D13/06—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space the air being conditioned
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D10/00—Flight suits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0454—Controlling adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2256/00—Main component in the product gas stream after treatment
- B01D2256/12—Oxygen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/10—Single element gases other than halogens
- B01D2257/102—Nitrogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/402—Further details for adsorption processes and devices using two beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/45—Gas separation or purification devices adapted for specific applications
- B01D2259/4566—Gas separation or purification devices adapted for specific applications for use in transportation means
- B01D2259/4575—Gas separation or purification devices adapted for specific applications for use in transportation means in aeroplanes or space ships
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/047—Pressure swing adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space
- B64D13/06—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space the air being conditioned
- B64D2013/0603—Environmental Control Systems
- B64D2013/0677—Environmental Control Systems comprising on board oxygen generator systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space
- B64D13/06—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space the air being conditioned
- B64D2013/0603—Environmental Control Systems
- B64D2013/0681—Environmental Control Systems with oxygen control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D2231/00—Emergency oxygen systems
- B64D2231/02—Supply or distribution systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Aviation & Aerospace Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Gases By Adsorption (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/868,419 | 1997-06-03 | ||
| US08/868,419 US5858063A (en) | 1997-06-03 | 1997-06-03 | Oxygen concentrator with beds' duty cycle control and self-test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2234759A1 CA2234759A1 (en) | 1998-12-03 |
| CA2234759C true CA2234759C (en) | 2002-02-12 |
Family
ID=25351651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002234759A Expired - Fee Related CA2234759C (en) | 1997-06-03 | 1998-04-16 | Oxygen concentrator with beds' duty cycle control and self-test |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5858063A (enExample) |
| EP (1) | EP0882484B1 (enExample) |
| JP (1) | JP4486170B2 (enExample) |
| KR (1) | KR100533179B1 (enExample) |
| CA (1) | CA2234759C (enExample) |
| DE (1) | DE69815950T2 (enExample) |
Families Citing this family (59)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5858063A (en) * | 1997-06-03 | 1999-01-12 | Litton Systems, Inc. | Oxygen concentrator with beds' duty cycle control and self-test |
| FR2772637B1 (fr) * | 1997-12-18 | 2000-02-11 | Air Liquide | Procede de separation gazeuse par adsorption avec production a debit variable, notamment pour la production d'oxygene |
| FR2785554B1 (fr) * | 1998-11-09 | 2000-12-22 | Air Liquide | Unite psa ou vsa a debit et pression de production conjointement regules |
| US6368491B1 (en) * | 2000-11-08 | 2002-04-09 | Northrop Grumman Corporation | Method of controlling a modular ceramic oxygen generating system |
| US6511526B2 (en) * | 2001-01-12 | 2003-01-28 | Vbox, Incorporated | Pressure swing adsorption gas separation method and apparatus |
| GB0123310D0 (en) * | 2001-09-28 | 2001-11-21 | Honeywell Normalair Garrett | Breathing gas supply system |
| GB0204886D0 (en) * | 2002-03-01 | 2002-04-17 | Honeywell Normalair Garrett | Breathing gas supply system |
| KR100491684B1 (ko) * | 2002-04-12 | 2005-05-30 | 주식회사 옥서스 | 압력순환흡착을 이용한 산소농축방법 및 장치 |
| FR2839263B1 (fr) * | 2002-05-03 | 2005-01-14 | Air Liquide | Systeme embarque de production d'oxygene pour aeronefs, en particulier aeronefs a long rayon d'action |
| US6997970B2 (en) * | 2002-06-25 | 2006-02-14 | Carleton Life Support Systems, Inc. | Oxygen/inert gas generator |
| US6669758B1 (en) | 2002-06-27 | 2003-12-30 | Carleton Life Support Systems, Inc. | Variable inlet air restriction for composition control of product gas |
| US6712877B2 (en) * | 2002-08-27 | 2004-03-30 | Litton Systems, Inc. | Oxygen concentrator system |
| US6712876B2 (en) * | 2002-08-27 | 2004-03-30 | Litton Systems, Inc. | Oxygen concentrator system with altitude compensation |
| GB0230098D0 (en) * | 2002-12-24 | 2003-01-29 | Honeywell Normalair Garrett | Method of controlling a gas absorption apparatus |
| GB0303936D0 (en) * | 2003-02-21 | 2003-03-26 | Honeywell Normalair Garrett | Method of testing |
| US7036521B2 (en) * | 2003-04-27 | 2006-05-02 | Carleton Life Support Systems, Inc. | Air conserving slide valve |
| US20040211414A1 (en) * | 2003-04-28 | 2004-10-28 | Litton Systems, Inc. | Oxygen concentration system having selectable beds |
| DE10323137B4 (de) * | 2003-05-22 | 2008-04-30 | DRäGER AEROSPACE GMBH | Vorrichtung zur Anreicherung von Luft mit Sauerstoff in einem Flugzeug und einem Verfahren zum Betreiben der Vorrichtung |
| US6953928B2 (en) * | 2003-10-31 | 2005-10-11 | Applera Corporation | Ion source and methods for MALDI mass spectrometry |
| FR2880328B1 (fr) * | 2005-01-06 | 2008-08-22 | L'air Liquide | Procede et systeme de verification du bon fonctionnement d'un equipement embarque de production d'oxygene pour aeronef |
| FR2882662B1 (fr) * | 2005-03-03 | 2007-04-27 | Air Liquide | Systeme et procede de filtration d'un flux d'air comprime et aeronef pourvu d'un tel systeme de filtration |
| US20060260711A1 (en) * | 2005-04-22 | 2006-11-23 | Audubon Machinery Corporation | Oxygen filling apparatus |
| US7445660B2 (en) * | 2005-04-27 | 2008-11-04 | Carleton Life Support Systems, Inc. | Method for operating gas generators in tandem |
| US7708802B1 (en) | 2005-05-23 | 2010-05-04 | Inogen, Inc. | Gas fractionalization apparatus with built-in administrative and self-diagnostic functions |
| US20080154481A1 (en) | 2006-12-21 | 2008-06-26 | Stroia Bradlee J | Adaptive oxygen sensor methods, systems, and software |
| US7803218B2 (en) * | 2007-02-26 | 2010-09-28 | Honeywell International Inc. | Drain valve assembly |
| US20090065007A1 (en) * | 2007-09-06 | 2009-03-12 | Wilkinson William R | Oxygen concentrator apparatus and method |
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-
1997
- 1997-06-03 US US08/868,419 patent/US5858063A/en not_active Expired - Lifetime
-
1998
- 1998-02-27 JP JP04649698A patent/JP4486170B2/ja not_active Expired - Fee Related
- 1998-04-07 KR KR1019980012196A patent/KR100533179B1/ko not_active Expired - Fee Related
- 1998-04-16 CA CA002234759A patent/CA2234759C/en not_active Expired - Fee Related
- 1998-04-20 EP EP98107180A patent/EP0882484B1/en not_active Expired - Lifetime
- 1998-04-20 DE DE69815950T patent/DE69815950T2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| KR100533179B1 (ko) | 2006-02-28 |
| CA2234759A1 (en) | 1998-12-03 |
| EP0882484B1 (en) | 2003-07-02 |
| EP0882484A3 (en) | 1999-03-10 |
| DE69815950D1 (de) | 2003-08-07 |
| JP4486170B2 (ja) | 2010-06-23 |
| US5858063A (en) | 1999-01-12 |
| DE69815950T2 (de) | 2004-05-27 |
| JPH11410A (ja) | 1999-01-06 |
| EP0882484A2 (en) | 1998-12-09 |
| KR19990006380A (ko) | 1999-01-25 |
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