| 摘要 |
PROBLEM TO BE SOLVED: To provide an exhaust structure of a building producing a sufficient difference in barometric pressure and of preventing the inflow of rainwater into a room without decreasing an exhausting performance.SOLUTION: This exhaust structure comprises an air channel 10 allowing the outside air to pass therethrough. Communication ports 11 are formed in the peripheral surface of the air channel. The communication ports communicate with an exhaust port 14 formed indoors 13. |
