| 摘要 |
PROBLEM TO BE SOLVED: To provide a branch chamber capable of reducing a construction cost, the cost of members and an installing space and miniaturizing a fan. SOLUTION: This branch chamber is provided with a main body 1 having a main opening 10 provided so that an air passage 8 communicated with the inside of a main duct 3 connected to one end side is formed, and branch openings 9a, 9b communicated with the main opening 10 at the other end side and provided so as to branch in the two directions, and duct connecting parts 7a, 7b respectively arranged in the branch openings 9a, 9b and connected to ducts 6a, 6b. The duct connecting part 7a, 7b rotate with respect to the main part 1, and the branch chamber is provided with the duct connecting ports 7, 14 inclined to the branch openings 9a, 9b. Thereby, the construction cost, the cost of members and the installing space can be reduced, and the fan can be miniaturized. COPYRIGHT: (C)2005,JPO&NCIPI
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