Fluid flow monitor

Details Fluid flow monitor Fluid flow monitor

1996-09-17

1998-05-26

Rivell, John

Fluid handling

Destructible or deformable element controlled

Destructible element

200 6108, 200 819R, 340626, F16K 1740, F16K 3700

Patent

active

057552495

ABSTRACT:
A fluid flow monitor has coaxial conductive annular supports separated by an insulating gasket and connected by a conductive member. One support has a lesser external diameter and a smaller internal diameter than the other to reduce the chance of accidental short circuiting. Wires are attached to each support, a third wire supplies a floating ground to ensure monitor tripping is not caused by a ground fault. Tabs on the inner perimeter of the supports may mount the conductive member.

REFERENCES:
patent: 3770918 (1973-11-01), Fortmann
patent: 3968339 (1976-07-01), Heaton
patent: 4342988 (1982-08-01), Thompson et al.
patent: 4408194 (1983-10-01), Thompson
patent: 4951697 (1990-08-01), Fritts
patent: 4978947 (1990-12-01), Finnegan
patent: 5155471 (1992-10-01), Ellis et al.
patent: 5313194 (1994-05-01), Varos
BS&B Safety Systems, Catalog 77-1009A, Detec-SafAlarm system, Date Unknown.
Elfab-Hughes-Burst Disc Detector, brochure, Date Unknown.

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