| 摘要 |
PROBLEM TO BE SOLVED: To maintain accurate and stable performance of pressure measurement regardless of use in a long period by lessening the occurrence of distortions to a diaphragm etc. due to the transfer of stress, which occurs when a sealing ring is fastened, to a pressure sensitive part. SOLUTION: By screwing a fastening screw 11 in a pressure gauge mounting block 2 from the side of a presser plate member 10 in contact with the outside of a ring-like flange part 5 protruding outward from an end part of a case main body 3 opposite to the pressure-sensitive diaphragm 4 in an electrostatic capacitance type pressure gauge 1, the ring-like flange part 5 is moved to the side of the pressure gauge mounting block 2, and the sealing ring 9 such as a metal gasket is fastened and fixed in a sealed state to the pressure gauge mounting block 2 in this mounting structure. A notch groove 13 is provided for a part of the ring-like flange part 5 except a section for the fastening of the sealing ring to form a thin-walled part 5b in the part. COPYRIGHT: (C)2007,JPO&INPIT
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