| 摘要 |
PROBLEM TO BE SOLVED: To provide an air discharge device, which can efficiently and surely discharge bubbles of air generated in a conduit line to the outside even at a high flow velocity, and can be easily set in the conduit line in a compact manner. SOLUTION: The device includes: an air accumulation part 1, which includes a first opening 10, a first joint 3 that is a diameter extension part for extending the diameter of a flow passage from the first opening 10, an internal flow passage 8 connecting with the first joint 3, a second joint 4 that is a diameter contraction part for connecting the flow passage from the internal flow passage 8 to a second opening 16 while contracting the diameter, an upper opening 7 provided above the internal flow passage 8, and a raised flow passage 9 connecting the upper opening 7 to the internal flow passage 8; and an air valve 23 provided to be connected with the upper opening 7 of the air accumulation part 1. COPYRIGHT: (C)2010,JPO&INPIT
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