1
Drahm Wolfgang Dr, Szaloky Georg Dr, Wenger Alfred Dr, Bitto Ennio, Koudal Ole, Matt Christian Dipl Ing Fh, Schuetze Christian: Coriolis massflow/density sensor with a single straight measuring tube. Flowtec, June 24, 1998: EP0849568-A1 (23 worldwide citation)

The measuring device (10) can be fitted into a tubular conduit. In operation, the fluid to be measured flows through the device (10). The device has a single, straight measurement tube (13) with a longitudinal axis (131), an inlet end and an outlet end (11,12). A carrier is fixed to the inlet and ou ...


2
Bitto Ennio, Lorenz Rainer, Rieder Alfred Dr, Schuetze Christian, Wenger Alfred Dr, Fuchs Michael, Anklin Martin Dr, Drahm Wolfgang Dr: Vibration type measuring transducer. Flowtec, November 27, 2002: EP1260798-A1 (14 worldwide citation)

Vibration type measurement transducer has a curved vibrating measurement pipe (10) with a counter vibrating element (20) running approximately parallel to it between end coupling pieces (31, 32). An excitation arrangement (40) sets the pipe vibrating with a sensor arrangement (50) to measure vibrati ...


3
Rieder Alfred Dr, Drahm Wolfgang Dr: Vibration type measuring transducer. Flowtec, October 30, 2002: EP1253408-A1 (7 worldwide citation)

A flow tube (10) is connected to a pipe through the inlet and outlet tube sections and is displaced laterally from its static rest position, based on transverse impulse output from the transducers (30') arranged on either sides of the tube. The cantilevers are fitted to the inlet and outlet tube sec ...


4
Drahm Wolfgang Dr, Rieder Alfred Dr: Viscosity measuring device. Flowtec, March 12, 2003: EP1291639-A1 (7 worldwide citation)

The invention relates to a viscosity measuring instrument. Said instrument supplies a viscosity measuring value (Xh) which represents the viscosity of a liquid flowing in a connected pipe. To this end, the inventive instrument comprises a vibrational measuring sensor (10) having at least one measuri ...


5
Rieder Alfred Dr, Drahm Wolfgang Dr: Tube arrangement for a coriolis flowmeter. Flowtec, May 22, 2002: EP1207375-A1 (6 worldwide citation)

Pipe arrangement of a Coriolis mass flow meter comprises a single pipe, symmetrically curved about a central line, and first (91) and second (93) cantilever bodies. The cantilever bodies are set vibrating by passage of fluid through the pipe and vibrations measured to determine the mass flow. The bo ...


6
Drahm Wolfgang Dr, Matt Christian Dipl Ing: Coriolis mass flow sensor. Flowtec, October 29, 1997: EP0803713-A1 (6 worldwide citation)

The flowmeter has entry and exit connections for insertion in the pipeline and an oscillation system containing a measuring pipe through which the pipeline flow is fed, caused to oscillate by an electromagnetic device with a low-ohmic energising coil, connected in parallel with a capacitor. The capa ...


7
Matt Christian, Wenger Alfred Dr, Fuchs Michael, Drahm Wolfgang Dr: Vibration type measuring device and method of measuring a viscosity of a fluid. Flowtec, November 28, 2001: EP1158289-A1 (5 worldwide citation)

The apparatus comprises a sensor assembly (10) coupled to an in-line measurement tube (13) passing fluid. This is clamped at its inlet- and outlet ends, permitting vibration caused by an exciter (16). A sensor assembly picks up lateral deflections. Two signals (Xs1, Xs2) are produced, representing t ...


8
Drahm Wolfgang Dr, Matt Christian, Rieder Alfred Dr: Viscosimeter. Flowtec, March 26, 2003: EP1296128-A1 (5 worldwide citation)

The device has a vibration measuring sensor with a measuring tube for passage of the fluid to be measured and an excitation system supplied with a measuring current via an electronic device (50), connected in a dual-conductor process control loop, which also provides a signal corresponding to the me ...


9
Drahm Wolfgang Dr, Rieder Alfred Dr: Coriolis mass flow meter with one curved pipe and with symmetric excitation driver. Flowtec, July 17, 2002: EP1223412-A1 (2 worldwide citation)

The device has a measurement pipe (10) carrying a fluid curved symmetrically with respect to an axis of symmetry (A1) in a plane of the pipe, a rigid bearer body (20) for holding the measurement pipe, which is fixed to it at the inlet and outlet ends, and a stimulation device (30) that sets the meas ...


10
Rieder Alfred Dr, Drahm Wolfgang Dr: Coriolis mass flow meter with swirl mixer. Flowtec, September 17, 2003: EP1345013-A1 (2 worldwide citation)

Method for measuring a fluid flow physical variable, especially the mass flow, density or viscosity, for a fluid flowing in a pipe. Method uses a Coriolis flowmeter and has the following steps: generation of a helical flow relative to the flow axis at the inlet to the flowmeter; excitation of the fl ...