Patent ID: 8336396
Filing Date: 2012-12-25
Classification: G01F,G01N

Abstract:
1. A measuring transducer of the vibration-type for registering at least one physical, measured variable of a flowable medium-guided in a pipeline and/or for producing Coriolis forces serving for registering a mass flow rate of a flowable medium, said measuring transducer, comprising: a transducer housing, with an inlet-side, first housing end formed by means of an inlet-side, first flow divider, and with an outlet-side, second housing end formed by means of an outlet-side, second flow divider, said first flow divider including exactly four, mutually spaced, flow openings and said first flow divider including a flange with a sealing surface for connecting the measuring transducer to a tubular segment of the pipeline for supplying medium to the measuring transducer, and said second flow divider including exactly four, mutually spaced, flow openings and said second flow divider including a flange with a sealing surface for connecting the measuring transducer to a tubular segment of the pipeline for removing medium from the measuring transducer; exactly four, straight, measuring tubes, which are connected to the flow dividers for guiding flowing medium along flow paths connected in parallel, of which measuring tubes: a first measuring tube opens with an inlet-side, first measuring tube end into a first flow opening of said first flow divider and with an outlet-side, second measuring tube end into a first flow opening of said second flow divider; a second measuring tube opens with an inlet-side, first measuring tube end into a second flow opening of said first flow divider and with an outlet-side, second measuring tube end into a second flow opening of said second flow divider; a third measuring tube opens with an inlet-side, first measuring tube end into a third flow opening of said first flow divider and with an outlet-side, second measuring tube end into a third flow opening of said second flow divider; a fourth measuring tube opens with an inlet-side, first measuring tube end into a fourth flow opening of said first flow divider and with an outlet-side, second measuring tube end into a fourth flow opening of said second flow divider; an electromechanical exciter mechanism for producing and/or maintaining mechanical oscillations of said four measuring tubes, said exciter mechanism including a first oscillation exciter and said exciter mechanism being adapted to excite said first and said second measuring tubes to execute opposite phase bending oscillations in a shared imaginary first plane of oscillation and to excite said third and said fourth measuring tubes to execute opposite phase bending oscillations in a shared imaginary, second plane of oscillation essentially parallel to said first plane of oscillation; and a sensor arrangement reacting to vibrations of said measuring tubes, said sensor arrangement including an inlet-side, first oscillation sensor, an outlet-side, second oscillation sensor, an inlet-side, third oscillation sensor, and an outlet-side, fourth oscillation sensor.