IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0515860
(2003-05-27)
|
등록번호 |
US-7322566
(2008-01-29)
|
우선권정보 |
EP-02447098(2002-05-29) |
국제출원번호 |
PCT/EP03/005556
(2003-05-27)
|
§371/§102 date |
20050705
(20050705)
|
국제공개번호 |
WO03/099366
(2003-12-04)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
Knobbe, Martens, Olson & Bear, LLP
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
14 |
초록
▼
A device for conditioning breathing air includes a housing (1) provided with an inlet (5) for non treated breathing air and an outlet (6) for the treated breathing air. The housing (1) contains a passive humidifier (7) and an active humidifier wherein the active humidifier includes a water supply in
A device for conditioning breathing air includes a housing (1) provided with an inlet (5) for non treated breathing air and an outlet (6) for the treated breathing air. The housing (1) contains a passive humidifier (7) and an active humidifier wherein the active humidifier includes a water supply inlet (13), a heating device for the supplied water, a membrane (12) having substantial water impermeable and water vapor permeable characteristics, and a heat exchange element (14). The membrane (12) is divided into a hydrophilic membrane (12a) and a water vapor permeable and water impermeable membrane (12b). The heat exchange element is a perforated metal plate (14) and/or a heating resistance. A method for the conditioning of breathing air includes the steps of: supplying through the inlet opening non treated breathing air, passively humidifying the supplied air through the passive humidifier, and actively humidifying the breathing air, through the active humidifier of a device.
대표청구항
▼
The invention claimed is: 1. A device for conditioning breathing air, the device comprising a housing provided with an inlet for non treated breathing air and an outlet for the treated breathing air, an air flow path being defined between said inlet and said outlet, wherein said device comprises a
The invention claimed is: 1. A device for conditioning breathing air, the device comprising a housing provided with an inlet for non treated breathing air and an outlet for the treated breathing air, an air flow path being defined between said inlet and said outlet, wherein said device comprises a passive humidifier and an active humidifier wherein said active humidifier comprises a water supply inlet, a heating device for the supplied water, a membrane having substantial water impermeable and water vapor permeable characteristics, and a heat exchange element having a perforated metal plate, and wherein said membrane is divided into a hydrophilic membrane and a water vapor permeable and water impermeable membrane, and wherein said heat exchange element and said membrane are perpendicularly positioned and offset with respect to said air flow path so as to not significantly occlude said air flow path. 2. A device according to claim 1, wherein said passive humidifier is arranged between said inlet and said outlet. 3. A device according to claim 1, wherein said passive humidifier is a heat and moisture exchanger. 4. A device according to claim 1, wherein said device additionally comprises a bacterial filter. 5. A device according to claim 1, wherein said heating device is arranged in a detachable manner on the housing. 6. A device according to claim 1, wherein said water supply inlet is connected to the housing such that a thin layer of water is able to be inserted between the heating device and said membrane having substantial water impermeable and water vapor permeable characteristics. 7. A device according to claim 1, wherein the housing comprises a bottom connected to a peripheral wall and a cover connected to the peripheral wall, wherein said bottom is provided with an inlet opening for the supply of breathing air, and wherein said cover is provided with an outlet opening for the treated breathing air, and with a second opening for the mounting of a heating device. 8. A device according to claim 1, wherein said heat exchange element further comprises a perforated metallic plate. 9. A device according to claim 1, wherein the membrane is of a material that is water impermeable and water vapor permeable, placed between the hydrophilic membrane and the metal plate. 10. A device according to claim 1, wherein said heating device comprises a component, whereof a flat side, is directed towards said membranes. 11. A device according to claim 10, wherein one of said membranes is a hydrophilic membrane that rests on the flat side of the component. 12. A device according to claim 10, wherein the component is mounted in the opening. 13. A device according to any claim 10, wherein the component has a sealing O-ring and/or a bayonet catch for the fitting in the opening. 14. A device according to claim 10, wherein the component has a microswitch. 15. A device according to claim 7, wherein said inlet and outlet openings have a connection pipe for attaching a tube. 16. A device according to claim 7, wherein said bottom has a further inlet. 17. A device according to claim 16, wherein said inlet is mounted by a stopper. 18. A device according to claim 17, wherein said bottom has a further holding device for said stopper. 19. A device according to claim 7, wherein said housing has a grip ring and a flange surrounding said peripheral wall. 20. A method for the conditioning of breathing air flowing through a device having an air flow path passing air substantially directly through the device between an air inlet and an air outlet along said air flow path, comprising passively humidifying said breathing air; actively humidifying said breathing air, wherein said active humidifying comprises: passing heated water vapor through a hydrophilic membrane portion and a liquid water impermeable membrane portion. said hydrophilic membrane portion and said liquid water impermeable membrane portion being perpendicularly positioned and offset with respect to said air flow path so as to not significantly occlude said air flow path; and passing said heated water vapor through a heat exchange element and into said breathing air, said heat exchange element being perpendicularly positioned and offset with respect to said air flow path so as to not significantly occlude said air flow path. 21. A device for conditioning breathing air, the device comprising a housing provided with an inlet for non treated breathing air and an outlet for the treated breathing air, an air flow path being defined between said inlet and said outlet, wherein said device comprises a passive humidifier and an active humidifier wherein said active humidifier comprises a water supply inlet, a heating device for the supplied water, a membrane having substantial water impermeable and water vapor permeable characteristics, and a heat exchange element having a heating resistance, and wherein said membrane is divided into a hydrophilic membrane and a water vapor permeable and water impermeable membrane, and wherein said heat exchange element and said membrane are perpendiculary positioned and offset with respect to said air flow path so as to not significantly occlude said air flow path.
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