Patent ID: 8365614
Filing Date: 2013-02-05
Classification: G01F

Abstract:
1. A Coriolis mass flow meter, comprising: a main frame, which supports pair of curved tube type vibration tubes with inlets and outlets thereof; a subframe, which extends in a space between the pair of vibration tubes and the end of which is coupled to the main frame; a vibration exciter, which is arranged on the subframe, and excites each of the vibration tubes; first and second detectors, which are arranged on the subframe and are located upstream and a downstream of each of the vibration tubes with the vibration exciter interposed therebetween; and a circuit board, which is supported by the main frame, wherein the subframe is formed with a notch that is provided on an inner peripheral side of the curved tube type vibration tube and is open toward the main frame, the subframe is also formed with an outer peripheral wall extending along an outer peripheral edge of the subframe and an inner peripheral wall extending along the notch, and the circuit board supported by the main frame is arranged in the portion of the notch.