Inertia force flowmeter with symmetrized looped conduit

Details Inertia force flowmeter with symmetrized looped conduit Inertia force flowmeter with symmetrized looped conduit

1993-12-20

1995-06-20

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Mass flow by imparting angular or transverse momentum to the...

G01F 184

Patent

active

054252776

ABSTRACT:
An inertia force mass flowmeter comprises a conduit with two opposite extremities restrained from experiencing lateral movement including a first end section extending in over-hanging relationship from one of the two restrained extremities of the conduit, a second end section extending in over-hanging relationship from the other of the two restrained extremities of the conduit, and a looped midsection connecting the first and second end sections to one another, wherein a first elongated support extending from a restrained extremity thereof towards the first end section of the conduit supports the over-hanging extremity of the first end section of the conduit, and a second elongated support extending from a restrained extremity thereof towards the second end section of the conduit supports the over-hanging extremity of the second end section of the conduit; wherein an electromagnetic vibrator generates a relative flexural vibration between a combination of a first half of the conduit and the first elongated support and a combination between a second half of the conduit and the second elongated support, and two relative motion sensors detecting the relative flexural vibration respectively at two locations straddling a midsection of the conduit provides an electrical variable determining the mass flow rate of media moving through the conduit.

REFERENCES:
patent: 4747312 (1988-05-01), Herzl
patent: 4825705 (1989-05-01), Hohloch
patent: 4957005 (1990-09-01), Yard et al.
patent: 5020375 (1991-06-01), Back-Pedersen

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