IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0741594
(2008-11-05)
|
등록번호 |
US-8453470
(2013-06-04)
|
국제출원번호 |
PCT/IL2008/001449
(2008-11-05)
|
§371/§102 date |
20100506
(20100506)
|
국제공개번호 |
WO2009/060436
(2009-05-14)
|
발명자
/ 주소 |
- Arbel, Avraham
- Barak, Mordechai
- Shklyar, Alexander
|
출원인 / 주소 |
- The State of Israel, Ministry of Agriculture & Rural Development, Agricultural Research Organization, (A.R.O.), Volcani Center
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
12 |
초록
▼
A method of controlling the conditions of air in an interior of an enclosure is disclosed. The method comprises collecting air from a lower part of the interior, dehumidifying the collected air, and releasing the dehumidified air in an upper part of the interior, thereby controlling the conditions o
A method of controlling the conditions of air in an interior of an enclosure is disclosed. The method comprises collecting air from a lower part of the interior, dehumidifying the collected air, and releasing the dehumidified air in an upper part of the interior, thereby controlling the conditions of the air in the interior of the enclosure.
대표청구항
▼
1. A method of controlling the conditions of air in an interior of a greenhouse enclosure for growing plants, comprising collecting air from a lower part of the interior, dehumidifying said collected air, releasing said dehumidified air in an upper part of the interior, and circulating said dehumidi
1. A method of controlling the conditions of air in an interior of a greenhouse enclosure for growing plants, comprising collecting air from a lower part of the interior, dehumidifying said collected air, releasing said dehumidified air in an upper part of the interior, and circulating said dehumidified air within the greenhouse enclosure in the vicinity of the foliage of the plants, the method being executed substantially without replacing air in the interior of the greenhouse with air in the exterior of the greenhouse, thereby controlling the conditions of the air in the interior of the greenhouse enclosure. 2. The method of claim 1, further comprising reducing or preventing transport of thermal energy through an overhead wall of the greenhouse enclosure. 3. The method of claim 2, further comprising reflecting thermal radiation off a thermal screen overlaying said interior beneath said overhead wall. 4. The method of claim 1, further comprising heating said dehumidified air prior to said release of said air in said upper part of the interior. 5. The method of claim 1, wherein said dehumidifying comprises using a dehumidifying unit circulating a refrigerant fluid therein, said unit having an evaporator at which said refrigerant fluid is evaporated and a condenser at which said refrigerant fluid is condensed, wherein said air is cooled and dehumidified by said evaporator and heated by said condenser. 6. The method of claim 1, wherein said air is collected and released so as to maintain, at all times, an average temperature which is lower at said lower part than at said upper part. 7. The method of claim 5, wherein said dehumidifying unit is a heating and dehumidifying unit which comprises a heat exchanger for heating said dehumidified air prior to said release of said air in said upper part of the interior. 8. The method of claim 5, wherein said dehumidifying unit comprises a fan and is housed in a housing which comprises an outwardly-flaring inlet, an outwardly-flaring outlet, and an interconnecting relatively narrow throat, said outwardly-flaring inlet housing said evaporator and said condenser, and said narrow throat housing said fan. 9. The method of claim 7, wherein said air is circulated in the interior of the greenhouse enclosure through said heating and dehumidifying unit by means of a fan positioned in said unit. 10. The method of claim 5, wherein a refrigerant fluid exiting said condenser is further cooled by air between said evaporator and said condenser. 11. The method of claim 5, wherein air from the greenhouse enclosure entering said evaporator is pre-cooled by air between said evaporator and said condenser. 12. The method of claim 7, wherein said dehumidified air is mixed with air from the greenhouse enclosure to provide a mixture, and wherein said mixture is heated by said heat exchanger. 13. The method of claim 1, further comprising sealing an overhead wall and side walls of the greenhouse enclosure so as to prevent penetration of air and water vapor therethrough. 14. The method of claim 1, wherein said circulation is such as to establish motion of hot air mainly along the horizontal direction at said upper part and cold air mainly along said horizontal direction at said lower part. 15. A system for growing plants, comprising: a greenhouse enclosure having an interior being generally isolated from the environment such as to substantially prevent exchange of air between said interior and said environment; andapparatus positioned within said interior and configured for controlling the conditions of air in said interior while said exchange is substantially prevented, said apparatus comprising,an air inlet constituted for collecting air from a lower part of the interior,a dehumidifying unit for dehumidifying said collected air, andan air outlet constituted for releasing said dehumidified air in an upper part of the interior and circulating said dehumidified air within the greenhouse enclosure in the vicinity of the foliage of the plants. 16. The system according to claim 15, comprising a plurality of apparatus for controlling the conditions of air in said interior, wherein said apparatus are deployed within said interior. 17. The system of claim 15, wherein said greenhouse enclosure comprises a thermal screen overlaying said greenhouse enclosure and being constituted for reducing or preventing transport of thermal energy through said thermal screen. 18. The system of claim 17, wherein said thermal screen is thermally reflective so as to reflect thermal radiation. 19. The system of claim 15, wherein said dehumidifying unit circulates a refrigerant fluid therein and comprises an evaporator at which said refrigerant fluid is evaporated and a condenser at which said refrigerant fluid is condensed, wherein said collected air is dehumidified and cooled by said evaporator, and wherein said dehumidified and cooled air is heated by said condenser.
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