Improvements relating to and Connected with Chimneys and Ventilators.
Year: 1888

page_text: Improvements relating to and Connected with Chimneys and
Ventilators.
.
1, LOUIS BOUTIN, residing at East Alburgh, in the County of Grand Isle and
State of Vermont, one of the United States of America, Gentleman, do hereby
declare the nature of this invention and in what manner the same is to be
performed, to be particularly described and ascertained in and by the following
statement:-
This invention relates to chimneys and ventilators for buildings; and the improve-
ments will be fully understood from the following description and claim when taken in
connection with the annexed drawings, in which―
Figure 1, is a side elevation of a chimney constructed according to my
improvements.
Figure 2, is a vertical, sectional view of the same taken on the plane indicated by
the lines, y, y, of Figure 3, and
Figure 3, is a cross-sectional view taken on the plane indicated by the lines, 2, 2, of
Figure 1.
Figure 4, is an inverted view of the cap removed from the chimney to show the
spark arrester, and
Figure 5, is a plan view of the base with the chimney removed.
Referring by letter to the said drawings, A, indicates the base which may be of cast
iron or other suitable material.
This base is provided centrally on its upper side with a rectangular elevation, a,
which is designed to receive snugly and interiorly the lower end of the smoke flue, B,
Prine 8d 1
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page_text: and firmly seat the same closing its lower end from communication with the ventilating
flue which will be presently described.
This smoke flue, B, is provided at a suitable point with a door as at, a', whereby access
may be had for the purpose of cleaning it, and the said flue is also provided with a
suitable number of pipe holes, b, whereby a stove in any room may be properly
connected with the said flue.
C, indicates a ventilating flue which is designed to surround the smoke flue and
leave a vertical passage between the same. This flue, C, is placed upon the
base and secured in place by means of strips, c, which comprise a rectangular
frame and hug the lower end of the said flue. This flue is also provided with a door
and pipe holes which should coincide respectively with the door and pipe holes of
the smoke flue.
This flue or casing, C, is also provided with a suitable number of registers, d, which
may open into the different compartments of a building for the purpose of ventilating
them, and it is further provided with suitable openings as, e, which may receive a pipe
connected with a water-closet, sewer or the like so as to carry off the impurities and
discharge them above the house or other structure. These latter openings, e, may
have gates as, f, whereby the same may be closed when desired.
The base, A, is also provided within the walls of the ventilating flue and exterior
to the smoke flue with a suitable number of draft apertures, g, and also with larger
apertures, h, to receive a pipe or other means of connecting them with the cellar or
other part of a building. These latter apertures are also provided with gates so that
the same inay be closed when desired.
The ventilating flue or casing may be provided with a suitable flashing as shown
at, F, and near its upper side is a series of apertures, k, which are in the four walls
thereof and around this apertured portion is a cornice, G, which is also provided with
similar apertures in its flaring walls so as to prevent a downward blast of air from
coming forcibly into the chimney.
I, indicates the cap for both flues which serves the additional function of a spark
arrester. This cap has a marginal skirt flange, l, which is designed to receive snugly
the upper edge of the cornice and is also recessed at, m, to receive the upper end of
the casing or ventilating flue so as to close the same from communication with the
smoke flue. This portion is provided with a perforated part, n, which is elevated as
shown so that its side walls p, will engage the outer walls of the said smoke flue and
close the same from communication with the ventilating flue.
This perforated portion forms a cover for the smoke flue and consequently prevents
any sparks or the like from escaping.
Exterior to this perforated cap is a series of vertical apertures, ", which are directly
above the ventilating flue and form outlets therefor.
L, indicates a hood or cowl for the main cap or cover. This cowl or storm
cover is supported at a sufficient distance above the perforated part by legs or
supports and is sufficiently broad to cover the outlet apertures for the ventilating flue.
In each corner of the casing I arrange a vertical rod, M, which extends from top to
bottom thereof. These rods are designed to strengthen the main case, and durability
to the entire structure.
!.
By the construction illustrated it will be seen that each room or compartment
may be thoroughly ventilated as well as all impure gases and odors carried above
the house top.
It will also be seen that sparks will be prevented from passing
out of the chimney without offering any obstruction to the smoke and particles of
combustion.
It will further be seen that in case of storm, the cowl and cap are so constructed
as to prevent the wind from forcibly entering either the smoke flue or ventilating
9

page_text: Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed I declare that what I
claim is
The combination with the base, the smoke flue and ventilating flue having the
perforated cornice which communicates with the interior of the said ventilating
flue, and the cap constructed as shown having the perforated center to cover the
smoke flue, the perforated flange to cover the top of the ventilating flue, and the
marginal flange to cover the top of the cornice, and the cowl secured to the said cap,
substantially as specified.