| 摘要 |
PROBLEM TO BE SOLVED: To improve plane symmetry properties in various vibration modes, and to separate a primary in-phase frequency from a primary opposite-phase frequency especially to vibration in X and Y directions. SOLUTION: The Coriolis meter has two parallel and curved flow tubes 1 and 2, a driving unit 15 that allows the flow tube 1 to resonate with the other flow tube 2 for driving in an opposite phase each other, and a pair of vibration detection sensors 16 and 17 that is installed at symmetrical positions of left and right sides to the installation position of the driving unit 15, and detects phase difference being proportional to Coriolis force. The two parallel and curved flow tubes 1 and 2 are formed in a shape where a specific interval is provided between inflow and outflow sides and at the same time approach is made in a position where the specific interval is provided in the direction of a tube axis from a flow tube-fixing end, and at the same time have one brace bar 27 for connecting four end sections at inflow and outflow sides of the flow tube in one piece. COPYRIGHT: (C)2003,JPO
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