spark arrester

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spark arrester

[′spärk ə‚res·tər]
(engineering)
An apparatus that prevents sparks from escaping from a chimney.
A device that reduces or eliminates electric sparks at a point where a circuit is opened and closed.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

spark arrester

A device (located at the top of a chimney) to prevent sparks, embers, or other ignited material above a given size from being expelled to the atmosphere. Also called a bonnet.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Caps also function as spark arrestors, preventing sparks from landing on the roof or other nearby combustible material.
Spark arrestors can become easily clogged up with soot and tar deposits therefore preventing hot gases from escaping.
'A typical Pyroban kit includes an exhaust gas cooler, a shutdown valve to prevent engine overspeed and flame from the inlet, flame and spark arrestors, safety solutions for all electrics, a safe turbocharger and other safety critical components.
Financial help available: For installation of fire-resistant siding, exterior doors, windows and skylights; replacement of wood shake roof with non-combustible roof; installation of spark arrestors on chimneys; landscaping improvements that will create a "defensible space" around habitable structures.
Remove spark arrestors. Dirty spark arrestors are lethal, sometimes causing combustion through poor venting.
But because of their added cost (about $1.50 a square foot for a system that works off the existing water service and meter), sprinklers will not be mandated by local code; spark arrestors and hard-wired smoke alarms will remain on the books.
Uses may include installation of fire-resistant siding, replacement of wood shake roof, spark arrestors on chimneys and landscaping improvements
The use of screens and dropout boxes or spark arrestors have been used to stop the migration of burning materials through the system and subsequent initiation of fires in downstream equipment.
It began in the 1920s as Huss Maschinenfabrik was founded in Bremen, Germany, with a focus on the manufacture of silencers, spark arrestors and exhaust washers for ships.
The QSM for Zone 2 is available with a water-cooled exhaust gas heat exchanger as well as intake and exhaust spark arrestors which are critical components in engines designed for use in hazardous locations.