Coriolis mass flowmeter

Details Coriolis mass flowmeter Coriolis mass flowmeter

1991-05-13

1994-01-04

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

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

G01F 184

Patent

active

052750612

ABSTRACT:
Coriolis mass flowmeter apparatus comprising a flow-sensing structure including a support, a conduit having an input segment affixed to the support, an output segment affixed to the support, an elongated active inlet segment having a first end and a second end, the first end adjoining the input segment, an elongated outlet segment having a third end and a fourth end, the fourth end adjoining the output segment, and a connecting segment connecting the second and third ends of the inlet and outlet segments, the inlet and outlet segments being disposed to lie within a common plane, a driver connected between mid-portions of the inlet and outlet segments and operative to drive the inlet and outlet segments such that they oscillate in antiphase relationship within the common plane, sensors affixed to the support and at least one of the inlet and outlet segments and operative to detect Coriolis force-induced motion of the conduit and to generate output signals corresponding thereto; and a signal processor responsive to the output signals and operative to indicate the mass flow rate of material flowing through the conduit.

REFERENCES:
patent: Re31450 (1983-11-01), Smith
patent: 4422338 (1983-12-01), Smith
patent: 4622858 (1986-11-01), Mizerak
patent: 4730501 (1988-03-01), Levien
patent: 4756198 (1988-07-01), Levien
patent: 4803867 (1989-02-01), Dahlin
patent: 4811606 (1989-03-01), Hasegawa et al.
patent: 4914956 (1990-04-01), Young et al.
patent: 5060523 (1991-10-01), Lew
patent: 5078014 (1992-01-01), Lew

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