An aspect ratio flow metering device may comprise a concentrate inlet portion, one or more restricted flow portions of tubing fluidly connected to the concentrate inlet portion, and a metered concentrate outlet portion fluidly connected to the one or more restricted flow portion of tubing. The narrowest part of the one or more restricted flow portions of tubing may each have a length (R.sub.L): inner diameter (R.sub.ID) ratio of at least 10:1. The metered concentrate outlet portion may have an inner diameter (O.sub.ID) greater than R.sub.ID. The concentrate inlet portion may have an inner diameter (I.sub.ID) greater than R.sub.ID. The aspect ratio flow metering device may be structurally configured to limit flow of a concentrate into a hydrodynamic mixing apparatus. Also disclosed are methods for using the aspect ratio flow metering device to mix fluids.

A mode splitter (300) for a balance bar (150) of a Coriolis flow meter (100) is disclosed. The mode splitter (300) comprises a mass portion (302), and a first coupling portion (304a) coupled to the mass portion (302). The first coupling portion (304a) has a first stiffness in a drive direction (Y) and a second stiffness direction in an orthogonal direction (Z), and the orthogonal direction (Z) is orthogonal to both the drive direction (Y) and a longitudinal direction of the balance bar (150). The second stiffness is different than the first stiffness.

A flowmeter (200) is provided having a flow inlet (210) and a flow outlet (210′). A first conduit (208A) has an inlet leg (212A) fluidly coupled to a central conduit portion (212C), wherein the central conduit portion (212C) is further fluidly coupled to an outlet leg (212′A). A second conduit (208B) has an inlet leg (212B) fluidly coupled to a central conduit portion (212′C), wherein the central conduit portion (212′C) is further fluidly coupled to an outlet leg (212′B). The flow inlet (210) is fluidly coupled to a first end of the first conduit (208A) and a first end of the second conduit (208B), and the flow outlet (210′) is fluidly coupled to a second end of the first conduit (208A) and a second end of the second conduit (208B). A manifold (206) is fluidly coupled to the inlet legs (212A, 212B) and the outlet legs (212′A, 212′B). A driver (214) is at least partially coupled to the manifold, wherein the driver (214) is operable to vibrate the first and second conduits (208A, 208B).

The present disclosure relates to a measuring transducer of a Coriolis flow meter including a measuring tube arrangement having at least one measuring tube having an inlet section and an outlet section. The measuring transducer also includes at least a first exciter component of an oscillation exciter and at least a first sensor component of an oscillation sensor. A securement body arrangement is connected with the at least one measuring tube in the inlet section and/or in the outlet section, with the securement body arrangement having at least one opening. A connecting component connecting the measuring tube arrangement with a process line, wherein the connecting component includes at least one fastener apparatus, which extends through the opening of the securement body arrangement, wherein the connecting component is connected with the securement body arrangement via the fastener apparatus at least by shape interlocking.

A flow meter includes a lower shell flow meter includes: a lower shell; an upper shell disposed on the lower shell; a running water cavity disposed between the lower shell and the upper shell; and an impeller disposed in the running water cavity. The impeller includes: an installation positioning hole disposed at a bottom portion of the impeller; and a rotating positioning hole disposed at a top portion of the impeller. The flow meter includes an installation positioning shaft extending upward from the lower shell and configured to be inserted into the installation positioning hole; and a rotating positioning shaft extending downward from the upper shell and configured to be inserted into the rotating positioning hole.

A Coriolis mass flow measuring device 100 includes four bent measuring tubes 110a, 110b, 110, 110dd, two actuator arrangements 140a, 140c, and two sensor arrangements 142a-1, 142a-2, 142c-1, 142c-2, wherein all four measuring tubes (110a, 110b, 110c, 110d) are joined inlet end and outlet end with collectors (120), wherein the measuring tubes are connected inlet end and outlet end pairwise with node plates 132a, 132c, 134a, 134c to form oscillators, wherein the actuator arrangements 140a, 140c are adapted to excite bending oscillation wanted modes between the two measuring tubes of an oscillator, wherein the first oscillator and the second oscillator have bending oscillation wanted modes with first and second wanted mode eigenfrequencies (f.sub.11, f.sub.12), wherein the magnitude of the difference of the wanted mode eigenfrequencies of the two oscillators (|f.sub.11−f.sub.12|) amounts to at least 0.1 times, for example, at least 0.2 times and especially at least 0.4 times the lower of the two wanted mode eigenfrequencies, wherein the sensor arrangements are adapted to register oscillations of the oscillators.

A Coriolis mass flow measuring device and/or density measuring device (100) includes two bent measuring tubes (110a, 110b), which extend mirror symmetrically to a first mirror plane between the measuring tubes, an actuator arrangement (140) and at least one sensor arrangement (142a, 142b); at the inlet end and at the outlet end, in each case, a collector (120a, 120a), with which the measuring tubes are joined, wherein the collectors (120a, 120b) each fulfill the functionality of a node plate; a support body (124), which connects the collectors (120a, 120b) rigidly with one another; and inlet end and outlet end, in each case, at least one plate-shaped coupler (132a, 132b, 134a, 134b), which connect the measuring tubes pairwise with one another, in order to form an oscillator, wherein the couplers have tube openings for measuring tubes, wherein the measuring tubes are connected at least sectionally with the couplers, wherein inlet end and outlet end, in each case, at least one coupler (132a, 132b, 134a, 134b) has, between the measuring tubes (110a, 110b), a tuning opening (146) for influencing the oscillation characteristics of the oscillator.

A flowmeter having one or more conduits (103, 103′) and a driver (104) coupled to one or more conduits (103, 103′) being configured to vibrate at least a portion of the conduit at one or more drive frequencies. One or more pickoffs (105, 105′) are coupled to the one or more conduits (103, 103′) and are configured to detect a motion of the conduit. A housing (200) has a first compartment (400) and a second compartment (402). The first compartment (400) is fluid-tight and encloses at least a portion of the one or more conduits (103, 103′), the driver (104), and the one or more pickoffs (105, 105′). A sealable fill port (418) is configured to allow the addition of a ballast material to the second compartment (402).

Provided is a Coriolis flow sensor assembly that includes a flow tube configured to provide a flow path through the flow tube. Further, the Coriolis flow sensor assembly includes a mechanical drive assembly configured to drive an oscillation of the flow tube while fluid is flowing via an oscillation surface. The Coriolis flow sensor assembly includes an interface fixedly coupled to the oscillation surface of the mechanical drive assembly and configured to receive the flow tube.

A feed-through (300) is provided according to the invention. The feed-through (300) includes a body (305) including a passage (320), a plug (325) located in and substantially blocking the passage (320), one or more conductors (328) extending through the plug (325), and a reduced diameter region (313) located on an exterior surface of the body (305), with the reduced diameter region (313) being adapted to receive ends of one or more projecting fasteners (330) of a second component.