Spark arresting module

Details Spark arresting module Spark arresting module

1979-07-23

1981-12-29

Makay, Albert J.

Furnaces

Spark arresters

55297, 55401, F23J 1500

Patent

active

043076734

ABSTRACT:
A spark-arresting module for disposition in a duct for hot stack gases comprising a rigid frame structured with spaced, parallel bars alternating with spaced, parallel slots, a shaft at the upstream side of the frame and parallel thereto, a plurality of blades provided with diametrically-located vanes fixed to the shaft for rotation therewith, said vanes being movable through the slots in shearing relation to the bars by rotation of the shaft and being so shaped that some portion of each blade is at all times situated between the bars and a motor for effecting rotation of the shaft.

REFERENCES:
patent: 392492 (1888-11-01), Bracher
patent: 1071369 (1913-08-01), Terry
patent: 3907215 (1975-09-01), Mantelet

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