IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0874618
(2007-10-18)
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등록번호 |
US-7673694
(2010-04-21)
|
우선권정보 |
EP-06122593(2006-10-19) |
발명자
/ 주소 |
- Wagner, Ernst-Werner
- Clauss, Peter
|
출원인 / 주소 |
|
대리인 / 주소 |
Fraser Clemens Martin & Miller LLC
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인용정보 |
피인용 횟수 :
7 인용 특허 :
3 |
초록
▼
The invention relates to an inertization device for establishing and maintaining an inertization level in a protective room. The inertization device has a controllable inert gas system for providing inert gas, a first supply pipe system connected to the inert gas system and the protective room to su
The invention relates to an inertization device for establishing and maintaining an inertization level in a protective room. The inertization device has a controllable inert gas system for providing inert gas, a first supply pipe system connected to the inert gas system and the protective room to supply the inert gas to the protective room, and a control unit to control the inert gas system such that a presettable inertization level is established and maintained inside the protective room. In order to raise the inertization level inside the protective room rapidly to an accessibility level without requiring major structural measures, a valve controlled by the control unit is connected to the inert gas system and the first supply pipe system to supply the exhaust air prepared by the inert gas system as fresh air to the protective room.
대표청구항
▼
What is claimed is: 1. An inertization device for establishing and maintaining an inertization level in a protective room, the inertization device comprising: an inert gas system for providing inert gas; a control unit for controlling the inert gas system to establish and maintain a desired inertiz
What is claimed is: 1. An inertization device for establishing and maintaining an inertization level in a protective room, the inertization device comprising: an inert gas system for providing inert gas; a control unit for controlling the inert gas system to establish and maintain a desired inertization level in the protective room; a first supply pipe system providing fluid communication between the inert gas system and the protective room to supply inert gas provided by the inert gas system to the protective room; a compressed air source in fluid communication with the inert gas system; and a bypass pipe system providing fluid communication between the compressed air source and the first supply pipe system, the bypass pipe system having a valve disposed therein, an opening and a closing of the valve controlled by the control unit to selectively permit and militate against a flow of air from the compressed air source to the protective room to at least one of establish and maintain the desired inertization level in the protective room. 2. The inertization device according to claim 1, wherein the compressed air source includes a pressurized storage tank for storing at least one of oxygen, oxygen-enriched air, fresh air, and compressed air, wherein the control unit is adapted to control a controllable pressure-reducing valve disposed between the pressurized storage tank and the first supply pipe system to control one of a quantity of the inert gas provided by the inert gas system and supplied to the protective room and a concentration of oxygen in the inert gas for at least one of establishing and maintaining the specific inertization level. 3. The inertization device according to claim 2, wherein the inert gas system includes a nitrogen generator in fluid communication with the compressed air source, and wherein the nitrogen generator separates oxygen from the compressed air from the compressed air source to provide a nitrogen-enriched air at a first outlet of the nitrogen generator, the nitrogen-enriched air supplied as the inert gas to the first supply pipe system, wherein the bypass pipe system bypasses the nitrogen generator to supply the compressed air provided by the compressed air source as needed to the protective room. 4. The inertization device according to claim 1, wherein the inert gas system includes a nitrogen generator in fluid communication with a compressed air source, and wherein the nitrogen generator separates oxygen from the compressed air from the compressed air source to provide a nitrogen-enriched air at a first outlet of the nitrogen generator, the nitrogen-enriched air supplied as the inert gas to the first supply pipe system, wherein the bypass pipe system bypasses the nitrogen generator to supply the compressed air provided by the compressed air source as needed to the protective room, and wherein the nitrogen generator is controlled by the control unit to at least one of establish and maintain the desired inertization level in the protective room, a concentration of oxygen in the inert gas supplied to the protective room controlled based upon a dwell time of the compressed air provided by the compressed air source in the nitrogen generator. 5. The inertization device according to claim 4, further comprising an air separation system contained in the nitrogen generator having a plurality of individual air separation units, wherein a number of the individual air separation units to be used to separate oxygen from the compressed air supplied by the compressed air source and provide the nitrogen-enriched air to the first outlet of the nitrogen generator is controlled by the control unit, and wherein a degree of nitrogen enrichment in the nitrogen-enriched air provided by the nitrogen generator is controlled based upon the number of individual air separation units selected by the control unit. 6. The inertization device according to claim 5, wherein the compressed air source is controlled by the control unit to control a flow rate of the compressed air through the air separation system contained in the nitrogen generator, thereby controlling the dwell time of the compressed air in the air separation system. 7. The inertization device according to claim 4, further comprising a second supply pipe system providing fluid communication between the inert gas system and the protective room, wherein the oxygen separated from the compressed air by the nitrogen generator is supplied as oxygen-enriched air to the second supply pipe system via a second outlet of the nitrogen generator to at least one of establish and maintain the desired inertization level in the protective room. 8. The inertization device according to claim 7, wherein the second supply pipe system is in fluid communication with the first supply pipe system and to facilitate fluid communication with the protective room. 9. The inertization device according to claim 8, further comprising a shut-off valve disposed in the second supply pipe system, an opening and a closing of the shut-off valve controlled by the control unit to selectively permit and militate against flow of oxygen-enriched air through the second supply pipe system. 10. The inertization device according to claim 9, wherein the inert gas system includes an oxygen storage tank for storing the oxygen-enriched air provided by the nitrogen generator, wherein the control unit controls a controllable pressure-reducing valve in fluid communication with the oxygen storage tank and the second supply pipe system to control a quantity of the inert gas provided by the inert gas system and supplied to the protective room. 11. The inertization device according to claim 10, further comprising a pressure-dependent valve unit which is opened in a first, presettable pressure range to permit the storage tank to be filled with the oxygen-enriched air provided by the nitrogen generator. 12. The inertization device according to claim 11, further comprising at least one shut-off valve disposed in the first supply pipe system and an opening and a closing thereof controlled by the control unit to selectively permit and militate against a flow of nitrogen-enriched air between the first outlet of the nitrogen generator and the protective room. 13. The inertization device according to claim 12, further comprising at least one oxygen detection device for detecting an oxygen ratio in air in the protective room, wherein the control unit is adapted to adjust a quantity of at least one of the inert gas supplied to the protective room and an oxygen concentration in the inert gas based upon the oxygen ratio measured in the air in the protective room. 14. The inertization device according to claim 13, wherein the oxygen detection device is an aspiration-type oxygen detection device. 15. The inertization device according to claim 14, wherein the inert gas system includes a nitrogen storage tank for storing nitrogen-enriched air provided by the nitrogen generator, wherein the control unit controls a controllable pressure-reducing valve in fluid communication with the nitrogen storage tank and the first supply pipe system to set a quantity of at least one of the inert gas supplied to the protective room and the oxygen concentration in the inert gas. 16. The inertization device according to claim 15, further comprising a pressure-dependent valve unit which is opened in a first, presettable pressure range to permit the nitrogen storage tank to be filled with the nitrogen-enriched air prepared by the nitrogen generator. 17. The inertization device according to claim 16, wherein the desired inertization level is one of a full inertization level, a base inertization level, and an accessibility level. 18. An inertization device for establishing and maintaining an inertization level in a protective room, the inertization device comprising: an inert gas system for providing inert gas, the inert gas system further comprising a nitrogen generator; a control unit for controlling the inert gas system to establish and maintain a desired inertization level in the protective room; a first supply pipe system providing fluid communication between the inert gas system and the protective room to supply inert gas provided by the inert gas system to the protective room; a compressed air source in fluid communication with the nitrogen generator of the inert gas system, wherein the nitrogen generator separates oxygen from the compressed air from the compressed air source to provide a nitrogen-enriched air at a first outlet of the nitrogen generator, the nitrogen-enriched air supplied as the inert gas to the first supply pipe system; and a bypass pipe system providing fluid communication between the compressed air source and the first supply pipe system, the bypass pipe system having a valve disposed therein, an opening and a closing of the valve controlled by the control unit to selectively permit and militate against a flow of air from the compressed air source to the protective room to at least one of establish and maintain the desired inertization level in the protective room, wherein the bypass pipe system bypasses the nitrogen generator to supply the compressed air provided by the compressed air source as needed to the protective room. 19. An inertization device for establishing and maintaining an inertization level that can be preset inside a protective room to be monitored, the inertization device comprising: a controllable inert gas system for providing inert gas; a first supply pipe system connected to the inert gas system and the protective room to provide the inert gas prepared by the inert gas system to the protective room; a control unit configured to control the inert gas system such that a specific, presettable inertization level is established and maintained inside the protective room; and a bypass pipe system connected to the control unit via a shut-off valve, which bypass system is connected on one side to a compressed air source and on an other side to the first supply pipe system to feed the compressed air provided by the compressed air source directly to the protective room as fresh air, and at least one of establish and maintain the specific, presettable inertization level inside the protective room.
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