| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a ventilating direction control device capable of leading outside air into a building or exhausting air in the building to the outside air besides utilizing a hollow layer between a double window sash such as a double glazing sash or a double wall for ventilation and air-conditioning if necessary, and compactly installed on either the ceiling side or floor side besides realizing energy saving. <P>SOLUTION: The ventilating direction control device 1 is provided with a cylindrical member 56 having a cylindrical inner peripheral surface 51 and comprising four openings 52, 53, 54 arranged at equal spaces in the circumferential direction of the inner peripheral surface 51; a communication selecting means 57 disposed rotatably in an R-direction inside the cylindrical member 56 to selectively connect two adjacent openings to communicate with each otyer by the rotation in the R-direction; and a rotating means 58 for rotating the communication selecting means 57 in the R-direction. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
