| 摘要 |
PROBLEM TO BE SOLVED: To obtain an ultrasonic flow velocity-measuring device for equally maintaining the temperature of an ultrasonic vibrator and accurately measuring the flow velocity of fluid for a temperature change around a connection member. SOLUTION: Ultrasonic vibrators 2 and 3 are arranged at the upstream and downstream sides of measurement fluid flowing in the ultrasonic flow velocity-measuring device and are connected by a connection part 7 being formed by a substance with high thermal conductivity, thus efficiently conducting heat entirely through the connection member 7 even if temperature around the connection member 7 differs in the longitudinal direction. Therefore, regardless of the temperature distribution around the connection member 7, the temperature of entire part of the connection member 7 becomes nearly equal, and the temperature of both the ultrasonic vibrators 2 and 3 being connected to the connection member 7 can be maintained nearly equally. |
