Patent application title: Chimney attic ventilator
Inventors:
David Allen Campbell (Statesville, NC, US)
IPC8 Class: AF24F702FI
USPC Class:
454365
Class name: Ventilation having outlet airway along roof ridge
Publication date: 2012-01-05
Patent application number: 20120003920
Abstract:
The purpose of this invention is to allow the use of power roof vents in
locations where they are otherwise undesirable. It disguises the power
roof vent as a chimney and cap that are used with a combustible fuel
source. This is accomplished by building a false chimney (that resembles
a masonry or prefabricated chimney suitable for combustion gasses) and
mounting the power roof vent on top of it.
The invention also increases the efficiency of power roof vents because
of the "chimney effect" resulting from the power roof vent being mounted
higher than the standard installation--directly on the roof. The chimney
effect is as follows: Warm air moving up thru a space and out a vent
creates a vacuum. This forces air up from lower level vents. The greater
the difference in height between the high and low vents the more movement
of air will take place.Claims:
1. Provides an aesthetically pleasing alternative to mounting a power
attic vent on a roof. The result appears to be a high-temperature vent
chimney with a dome cap typical of dwellings with fireplaces or wood
stoves.
2. Increases the efficiency of power attic vents by mounting it higher resulting in a "chimney effect".
Description:
BACKGROUND OF INVENTION
[0001] This is an improvement on the power attic ventilator. The kind most typically installed on the roof surface with a dome type cover.
BRIEF SUMMARY OF INVENTION
[0002] Uses a chimney to change the mounting location of a power attic ventilator on a roof.
DETAILED DESCRIPTION OF THE INVENTION
[0003] A chimney resembling a masonry chimney or a prefabricated chimney unit, but not requiring combustible vent rating, is installed on a roof. A power attic ventilator is installed on top of it.
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