| 摘要 |
PROBLEM TO BE SOLVED: To provide a device for sudden discharge of air to suddenly make air flow for improving the efficiency of a system. SOLUTION: The device for sudden discharge of air has an air flow control device with a discharge valve 16 disposed between an flow-in conduit 3 and a discharge conduit 5 for discharging air included in a rear chamber 13 toward the discharge conduit 5, and a main valve 2A is held in a valve seat 2B by air. In the device, a valve seat 17 of the discharge valve is disposed on the front face 2C of the main valve 2A, and the discharge valve 16 moves forward in the direction opposite to the main valve 2A when the main valve 2A is separated from the valve seat 2B to discharge air included in the rear chamber 13. COPYRIGHT: (C)2004,JPO
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