CA1059040A - Oxygen enriched air - Google Patents
Oxygen enriched airInfo
- Publication number
- CA1059040A CA1059040A CA242,891A CA242891A CA1059040A CA 1059040 A CA1059040 A CA 1059040A CA 242891 A CA242891 A CA 242891A CA 1059040 A CA1059040 A CA 1059040A
- Authority
- CA
- Canada
- Prior art keywords
- bed
- pressure
- air
- reservoir
- outlet line
- 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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 239000001301 oxygen Substances 0.000 title claims abstract description 29
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 29
- 239000007789 gas Substances 0.000 claims abstract description 49
- 239000003463 adsorbent Substances 0.000 claims abstract description 32
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 6
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 7
- 239000001569 carbon dioxide Substances 0.000 claims description 7
- 229910021536 Zeolite Inorganic materials 0.000 claims description 6
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical group O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 6
- 239000010457 zeolite Substances 0.000 claims description 6
- 238000013022 venting Methods 0.000 claims description 5
- 238000013021 overheating Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims 2
- 238000001179 sorption measurement Methods 0.000 description 10
- 230000008929 regeneration Effects 0.000 description 6
- 238000011069 regeneration method Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002808 molecular sieve Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000013707 sensory perception of sound Effects 0.000 description 1
- ACXGJHCPFCFILV-UHFFFAOYSA-M sodium;2-(4-chloro-2-methylphenoxy)acetate;3,6-dichloro-2-methoxybenzoic acid Chemical compound [Na+].COC1=C(Cl)C=CC(Cl)=C1C(O)=O.CC1=CC(Cl)=CC=C1OCC([O-])=O ACXGJHCPFCFILV-UHFFFAOYSA-M 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
- 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
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0446—Means for feeding or distributing gases
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/14—Respiratory apparatus for high-altitude aircraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
- B01D2253/108—Zeolites
-
- 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
- B01D2257/00—Components to be removed
- B01D2257/80—Water
-
- 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
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40043—Purging
- B01D2259/4005—Nature of purge gas
- B01D2259/40052—Recycled product or process gas
-
- 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
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40058—Number of sequence steps, including sub-steps, per cycle
- B01D2259/40062—Four
-
- 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
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/414—Further details for adsorption processes and devices using different types of adsorbents
- B01D2259/4141—Further details for adsorption processes and devices using different types of adsorbents within a single bed
- B01D2259/4145—Further details for adsorption processes and devices using different types of adsorbents within a single bed arranged in series
- B01D2259/4146—Contiguous multilayered adsorbents
-
- 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
- B01D2259/4533—Gas separation or purification devices adapted for specific applications for medical purposes
-
- 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
- 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
- B01D53/053—Pressure swing adsorption with storage or buffer vessel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Gases By Adsorption (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB98/75A GB1529701A (en) | 1975-01-02 | 1975-01-02 | Oxygen enriched air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1059040A true CA1059040A (en) | 1979-07-24 |
Family
ID=9698371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA242,891A Expired CA1059040A (en) | 1975-01-02 | 1975-12-31 | Oxygen enriched air |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4065272A (enExample) |
| JP (1) | JPS51142476A (enExample) |
| AU (1) | AU502198B2 (enExample) |
| CA (1) | CA1059040A (enExample) |
| DE (1) | DE2559120A1 (enExample) |
| ES (1) | ES444009A1 (enExample) |
| FR (1) | FR2296433A1 (enExample) |
| GB (1) | GB1529701A (enExample) |
| SE (1) | SE7514628L (enExample) |
| ZA (1) | ZA757880B (enExample) |
Families Citing this family (61)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2652486C2 (de) * | 1976-11-18 | 1987-01-08 | Bergwerksverband Gmbh, 4300 Essen | Verfahren zur Gewinnung von stickstoffreichen Gasen aus neben N↓2↓ wenigstens O↓2↓ enthaltenden Gasen, wie z.B. Luft |
| GB1594454A (en) * | 1976-12-23 | 1981-07-30 | Boc Ltd | Gas separation |
| US4197096A (en) * | 1978-08-22 | 1980-04-08 | Boc Limited | Fluid supply system including a pressure-swing adsorption plant |
| JPS5580702A (en) * | 1978-12-14 | 1980-06-18 | Nippon Denshi Zairyo Kk | Oxygen concentrating apparatus |
| US4194891A (en) * | 1978-12-27 | 1980-03-25 | Union Carbide Corporation | Multiple bed rapid pressure swing adsorption for oxygen |
| JPS55149620A (en) * | 1979-05-11 | 1980-11-21 | Noboru Sato | Oxygen-enriching system having good rise-up characteristic |
| ZA811931B (en) * | 1980-03-31 | 1982-05-26 | African Oxygen Ltd | Process and apparatus for the separation of gaseous mixture |
| JPS577802A (en) * | 1980-06-18 | 1982-01-16 | Hitachi Ltd | Concentrating method for oxygen |
| US4349357A (en) * | 1980-06-23 | 1982-09-14 | Stanley Aviation Corporation | Apparatus and method for fractionating air and other gaseous mixtures |
| DE3029080A1 (de) * | 1980-07-31 | 1982-02-18 | Linde Ag, 6200 Wiesbaden | Verfahren und vorrichtung zum bereitstellen von atemgas |
| GB2086258A (en) * | 1980-10-30 | 1982-05-12 | Boc Ltd | Process and apparatus for separation of a gaseous mixture |
| FR2511890B1 (fr) * | 1981-08-28 | 1988-03-04 | Greene & Kellogg | Recipient pour lit adsorbant en vue d'une utilisation dans un appareil fonctionnant avec un cycle d'adsorption a oscillations de pression |
| US4378982A (en) * | 1981-08-28 | 1983-04-05 | Greene & Kellogg, Inc. | Compact oxygen concentrator |
| US4440548A (en) * | 1982-04-19 | 1984-04-03 | Calgon Carbon Corporation | Pressure swing absorption system |
| WO1983003983A1 (en) * | 1982-05-07 | 1983-11-24 | Marathon Medical Equipment Corporation | Oxygen concentrator |
| US4516424A (en) * | 1982-07-09 | 1985-05-14 | Hudson Oxygen Therapy Sales Company | Oxygen concentrator monitor and regulation assembly |
| US4648888A (en) * | 1982-07-09 | 1987-03-10 | Hudson Oxygen Therapy Sales Co. | Oxygen concentrator |
| US4534346A (en) * | 1983-03-15 | 1985-08-13 | Guild Associates, Inc. | Pressure swing cycle for the separation of oxygen from air |
| US4477264A (en) * | 1983-03-30 | 1984-10-16 | Air Products And Chemicals, Inc. | Pressure swing adsorption process for a medical oxygen generator for home use |
| US4491459A (en) * | 1983-05-04 | 1985-01-01 | Pinkerton Charles J | Portable oxygen enrichment and concentration system |
| EP0185980B1 (en) * | 1984-12-27 | 1995-03-01 | Teijin Limited | Oxygen enriching apparatus |
| JPS61259726A (ja) * | 1985-05-14 | 1986-11-18 | Daiki Rubber Kogyo Kk | ガス吸着分離装置 |
| JPS61266302A (ja) * | 1985-05-17 | 1986-11-26 | Seitetsu Kagaku Co Ltd | 濃縮酸素回収方法 |
| JPH0620504B2 (ja) * | 1985-05-17 | 1994-03-23 | 住友精化株式会社 | プレツシヤ−スイング用吸着槽 |
| US4713100A (en) * | 1986-06-30 | 1987-12-15 | Seitetsu Kagaku Co., Ltd. | Adsorption apparatus |
| JPS6379709A (ja) * | 1986-09-22 | 1988-04-09 | Teijin Ltd | 酸素富化器 |
| US4756723A (en) * | 1987-03-04 | 1988-07-12 | Air Products And Chemicals, Inc. | Preparation of high purity oxygen |
| DE3829584A1 (de) * | 1988-09-01 | 1990-03-08 | Bayer Ag | Trennung von gasgemischen durch vakuum swing adsorption in einem zwei-adsorber-system |
| DE69124276T2 (de) * | 1990-03-29 | 1997-05-07 | Boc Group Inc | Verfahren zur Herstellung eines mit Sauerstoff angereicherten Produktstroms |
| US5084075A (en) * | 1990-04-10 | 1992-01-28 | Air Products And Chemicals, Inc. | Vacuum swing adsorption process for production of 95+% n2 from ambient air |
| US5074892A (en) * | 1990-05-30 | 1991-12-24 | Union Carbide Industrial Gases Technology Corporation | Air separation pressure swing adsorption process |
| GB9107999D0 (en) * | 1991-04-16 | 1991-06-05 | Boc Group Plc | Improved apparatus for the separation of a gaseous mixture |
| GB9124156D0 (en) * | 1991-11-14 | 1992-01-08 | Boc Group Plc | Compressing oxygen |
| US5340381A (en) * | 1993-05-17 | 1994-08-23 | Vorih Marc L | Operating system for dual-sieve oxygen concentrators |
| CA2125356A1 (en) * | 1993-06-09 | 1994-12-10 | Willard N. Tuttle | Vapor recovery system |
| US5370728A (en) * | 1993-09-07 | 1994-12-06 | Praxair Technology, Inc. | Single bed pressure swing adsorption system and process |
| US5415683A (en) * | 1993-11-17 | 1995-05-16 | Praxair Technology, Inc. | Vacuum pressure swing adsorption process |
| US5711787A (en) * | 1995-11-22 | 1998-01-27 | Praxair Technology, Inc. | Oxygen recovery pressure swing adsorption process |
| RU2169605C2 (ru) * | 1996-09-18 | 2001-06-27 | Специальное конструкторско-технологическое бюро по электрохимии | Способ разделения газа переменного состава короткоцикловой безнагревной адсорбцией |
| AU6054598A (en) * | 1997-01-31 | 1998-08-25 | Healthdyne Technologies, Inc. | Pressure swing absorption system with multi-chamber canister |
| US5882380A (en) * | 1997-05-14 | 1999-03-16 | Air Products And Chemicals, Inc. | Pressure swing adsorption process with a single adsorbent bed |
| US5871564A (en) * | 1997-06-16 | 1999-02-16 | Airsep Corp | Pressure swing adsorption apparatus |
| US6010555A (en) * | 1997-11-04 | 2000-01-04 | Praxair Technology, Inc. | Vacuum pressure swing adsorption system and method |
| US6096115A (en) * | 1998-11-25 | 2000-08-01 | Air Products And Chemicals, Inc. | Pressure swing adsorption process and system utilizing two product storage tanks |
| US6146447A (en) * | 1998-11-25 | 2000-11-14 | Air Products And Chemicals, Inc. | Oxygen generation process and system using single adsorber and single blower |
| US6102985A (en) * | 1998-11-25 | 2000-08-15 | Air Products And Chemicals, Inc. | Pressure swing adsorption process and system with dual product storage tanks |
| US6183538B1 (en) | 1999-02-09 | 2001-02-06 | Air Products And Chemicals, Inc. | Pressure swing adsorption gas flow control method and system |
| US6156101A (en) * | 1999-02-09 | 2000-12-05 | Air Products And Chemicals, Inc. | Single bed pressure swing adsorption process and system |
| US6142151A (en) * | 1999-04-16 | 2000-11-07 | United Technologies Corporation | Spool valve for switching air flows between two beds |
| US6792846B2 (en) * | 2000-09-26 | 2004-09-21 | Universal Oxygen, Inc. | Gas delivery system |
| US6425938B1 (en) * | 2000-11-01 | 2002-07-30 | Air Products And Chemicals, Inc. | Single bed pressure swing adsorption process |
| US6471744B1 (en) | 2001-08-16 | 2002-10-29 | Sequal Technologies, Inc. | Vacuum-pressure swing absorption fractionator and method of using the same |
| 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 |
| US7722698B2 (en) | 2008-02-21 | 2010-05-25 | Delphi Technologies, Inc. | Method of determining the purity of oxygen present in an oxygen-enriched gas produced from an oxygen delivery system |
| US8075676B2 (en) * | 2008-02-22 | 2011-12-13 | Oxus America, Inc. | Damping apparatus for scroll compressors for oxygen-generating systems |
| US20090212962A1 (en) * | 2008-02-22 | 2009-08-27 | Delphi Technologies, Inc. | Oxygen Generating System with Self-Contained Electronic Diagnostics and Fault-Tolerant Operation |
| US8236095B1 (en) | 2008-10-17 | 2012-08-07 | O2 Concepts, LLC | Vacuum-pressure swing absorption concentrator |
| EP2931622A1 (en) * | 2012-12-12 | 2015-10-21 | BASF Corporation | Gas storage and release into packaging after filling |
| FR3006052B1 (fr) * | 2013-05-23 | 2015-05-01 | Air Liquide Sante Services | Dispositif et procede de mesure de duree de consommation de gaz dans un batiment hospitalier |
| US20220401672A1 (en) * | 2019-10-24 | 2022-12-22 | Spaulding Rehabilitation Hospital Corporation | Systems and methods for hypoxia |
| US12251519B2 (en) * | 2020-06-24 | 2025-03-18 | O2-Matic Products Private Limited | Portable oxygen generator system |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2790512A (en) * | 1953-12-22 | 1957-04-30 | United Gas Corp | Process for dehydrating and removing adsorbable components from gas streams |
| US3069830A (en) * | 1960-03-24 | 1962-12-25 | Exxon Research Engineering Co | Heatless fractionator |
| BE603202A (enExample) * | 1960-04-29 | |||
| NL297067A (enExample) * | 1962-09-04 | 1900-01-01 | ||
| GB1054373A (enExample) * | 1963-05-17 | |||
| US3313091A (en) * | 1963-11-04 | 1967-04-11 | Exxon Research Engineering Co | Vacuum cycle adsorption |
| US3242650A (en) * | 1963-09-30 | 1966-03-29 | Exxon Research Engineering Co | Adsorption apparatus |
| US3659399A (en) * | 1970-06-29 | 1972-05-02 | Air Technologies Inc | Fractionation by adsorption |
| DE2055425B2 (de) * | 1970-11-11 | 1979-09-06 | Bayer Ag, 5090 Leverkusen | Adsorptionsverfahren zum Zerlegen von Gasgemischen |
| US3636679A (en) * | 1971-01-04 | 1972-01-25 | Union Carbide Corp | Selective adsorption gas separation process |
| FR2135388B1 (enExample) * | 1971-05-03 | 1973-05-11 | Air Liquide | |
| GB1449864A (en) * | 1973-10-24 | 1976-09-15 | Boc International Ltd | Adsorption system |
| US3957463A (en) * | 1973-12-12 | 1976-05-18 | Air Products And Chemicals, Inc. | Oxygen enrichment process |
-
1975
- 1975-01-02 GB GB98/75A patent/GB1529701A/en not_active Expired
- 1975-12-19 ZA ZA757880A patent/ZA757880B/xx unknown
- 1975-12-23 SE SE7514628A patent/SE7514628L/xx unknown
- 1975-12-30 US US05/645,316 patent/US4065272A/en not_active Expired - Lifetime
- 1975-12-30 DE DE19752559120 patent/DE2559120A1/de not_active Withdrawn
- 1975-12-31 FR FR7540368A patent/FR2296433A1/fr active Granted
- 1975-12-31 AU AU87986/75A patent/AU502198B2/en not_active Expired
- 1975-12-31 ES ES444009A patent/ES444009A1/es not_active Expired
- 1975-12-31 CA CA242,891A patent/CA1059040A/en not_active Expired
-
1976
- 1976-01-05 JP JP51000583A patent/JPS51142476A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1529701A (en) | 1978-10-25 |
| JPS51142476A (en) | 1976-12-08 |
| US4065272A (en) | 1977-12-27 |
| ES444009A1 (es) | 1977-04-16 |
| ZA757880B (en) | 1976-11-24 |
| AU8798675A (en) | 1977-07-07 |
| DE2559120A1 (de) | 1976-07-08 |
| AU502198B2 (en) | 1979-07-19 |
| FR2296433A1 (fr) | 1976-07-30 |
| FR2296433B1 (enExample) | 1980-01-18 |
| SE7514628L (sv) | 1976-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
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