Flangeless electromagnetic flowmeter

Details Flangeless electromagnetic flowmeter Flangeless electromagnetic flowmeter

1983-09-27

1985-02-05

Ruehl, Charles A.

Measuring and testing

Volume or rate of flow

By measuring electrical or magnetic properties

G01F 158

Patent

active

044972121

ABSTRACT:
A flangeless electromagnetic flowmeter unit interposable between the flanged ends of upstream and downstream line pipes for metering fluid passing through the line, the unit being encaged by bolts extending between the flanged pipe ends and being subjected to compression by these flanged ends to effect a fluid seal. The flowmeter is constituted by a non-magnetic spool of high strength to provide a flow conduit for the fluid. Surrounding the spool and concentric therewith is a cylindrical housing to define an annular inner chamber. Mounted at diametrically-opposed positions in the chamber along a coil axis normal to the longitudinal flow axis are electromagnetic coils, a strap joining these coils to define a magnetic circuit therewith. Electrodes are supported on the spool at diametrically-opposed positions along an electrode axis at right angles to the coil axis.

REFERENCES:
patent: 3695104 (1972-10-01), Mannherz et al.
patent: 3824856 (1974-07-01), Yard

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