| 摘要 |
PROBLEM TO BE SOLVED: To provide a sight glass of little probability of outflow during an operation by firmly fixing a moisture indicator in a body without damaging the moisture indicator. SOLUTION: This sight glass 1 having the body 2 which has an inlet 2a and an outlet 2b for a refrigerant C, and in which the refrigerant C flows, glass 6 covering an upper opening 2c formed on the body 2, and the plate-shaped moisture indicator 3 detecting moisture in the refrigerant C inside of the body 2, further has a first supporting member 4 having a recess 4e receiving the moisture indicator 3, and a second supporting member 5 for holding a central part 3b of the moisture indicator 3 while being exposed inside of the body 2 while pressing an outer edge part 3c of the moisture indicator 3 received in the first supporting member 4 by a plane face of a bowl-shaped part 5b projecting to follow an inner face of the recess 4e of the first supporting member 4. COPYRIGHT: (C)2011,JPO&INPIT
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