Pig sensor arrangement for high voltage coating system

Details Pig sensor arrangement for high voltage coating system Pig sensor arrangement for high voltage coating system

2006-09-19

2006-09-19

Toatley, Jr., Gregory J. (Department: 2877)

Optics: measuring and testing

Position or displacement

C356S620000, C356S369000

Reexamination Certificate

active

07110123

ABSTRACT:
A sensor for a conductive coating delivery system subject to high voltage including a movable member, such as a pig received through a delivery line having a magnet and a sensor in the delivery system subject to high voltage including an optically polarizing device subject to magneto-optical change upon approach of the magnet generating a polarized light signal, optical fibers connected to the sensor receiving the polarized light signal connected to an electrical device situated remotely from the high voltage generating an electrical signal for controlling a valve, metering pump or the like.

REFERENCES:
patent: 4931635 (1990-06-01), Toyama
patent: 10033987 (2002-01-01), None
patent: 10131562 (2003-01-01), None
patent: 101 61 550 (2003-06-01), None
patent: 0319172 (1992-09-01), None
patent: 1 319 439 (2003-06-01), None

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