| 摘要 |
PROBLEM TO BE SOLVED: To provide a closed space ventilation system excellent in ventilating property, mountable with minimized disturbance to the work, and operable with a low power consumption. SOLUTION: In this system, one air blowout part blowing an air flow having a uniformed velocity distribution and a low velocity equal to or close to a laminar flow or a combination of two or more thereof, and one air suction part sucking an air flow having the same low velocity as it or a combination of two or more thereof are provided in mutually opposed positions adjacent to an air contamination source in conformation to each other so as not to interfere with each other. One air blowout part blowing an air flow having the same low velocity as described above or a combination of two or more thereof, and one air suction part sucking an air flow having the same low velocity as it or a combination of two or more thereof are provided along two opposed wall surfaces in conformation to each other. COPYRIGHT: (C)2006,JPO&NCIPI
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