Device for measuring the flow rate of cooling fluid at the inlet

Details Device for measuring the flow rate of cooling fluid at the inlet Device for measuring the flow rate of cooling fluid at the inlet

1978-12-28

1981-03-10

Cangialosi, S. A.

G21C 1700

Patent

active

042552354

ABSTRACT:
The invention relates to a device for measuring the flow rate of cooling fluid at the inlet of the core of a water-cooled reactor.
The device comprises a base secured to the bottom plate of the core, a vertical cylindrical casing called measuring chimney, a support structure for bearings disposed along the axis of the measuring chimney, a two-blade propeller of nonmagnetic material the shaft of which rotates in the axial bearings, one of the blades bearing a component of magnetic material, and a measuring coil supplied with direct current generating pulses to a frequency-measuring device when the magnetic component of the propeller moves in front of the coil, when the propeller is rotated by the cooling fluid travelling along the measuring chimney.
The invention is applied in particular to tests in water of pressurized water-cooled reactors.

REFERENCES:
patent: 2583724 (1952-01-01), Broding
patent: 3187191 (1965-06-01), Baggs
patent: 3706224 (1972-11-01), Overs
patent: 3724268 (1973-04-01), Kuwabara
patent: 3866469 (1975-02-01), Wemyss
patent: 3922192 (1975-11-01), Duncombe et al.
patent: 3993539 (1976-11-01), Atherton et al.

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