Device for Cleaning Flues Page: 2 of 3
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UNITED STATESPATENT OFFICE.
NELSON E. BARTLES AND CARLES 0. HAWKINS, OF IRENE, TEXAS.
DEVICE FOR CLEANING FLUES.
.,574. Specification or Letters Patent. Patented June 14, 1910.
Application filed December 18, 1909. Serial No. 533,848.To all wizom it omy comce: .
iyBe it known that we;' NELSON E. BARTLES
and CBARLES 0. HAWJINS, citizens of the
United States, residing, at Irene, in the
5 county of Hill and State of Texas, have in-
vented a new and useful Device for Clean-
ing Flues, of which the following is a speci-
fication.
This invention relates to flue cleaners and
10 has for an object to provide a flue cleaner
that may be mounted in the combustion
chamber of a boiler setting and will blow
steam forwardly through the flues so that
the soot and corrosion adhering to the inner
15 walls of the flues will be removed, and car-
ried off through the smoke stack.
A further object is to provide a flue
cleaner that will' operate, while the boiler
is still in use and will not require the flue
20 doors to be opened at any time during its
operation hence the soot will not be blown
out into the boiler room.
A still further object is to provide a flue
cleaner that when not in use may be rocked
25 out of alinement with the flues and moved
in rear of a baffle carried within the boiler
setting so as not to lie in the direct path of
the heat entering the flues.
With the above and other objects in view
30 which will appear as the description pro-
ceeds, our invention embraces certain novel
details of construction -and combination of
parts which will be hereinafter more fully
described and claimed.
35 In the accompanying drawing forming
part of this specification,-Figure I is a side
elevation of a boiler and its setting show-
ing a portion of the latter broken away to
expose the flue cleaner. Fig. 2 is a trans-
40 verse sectional view of the boiler setting
showing the boiler in end elevation and the
flue cleaner in operative position. Fig. 3 is
a fragmentary sectional plan view of a cor-
ner of the combustion chamber of the boiler
45 showing the baffle and the flue cleaner rocked
to its normal position underneath the baffle.
Referring now to the drawing in which
like characters of reference designate similar
parts' in the views shown, 1 designates a
50 boiler in which the flues 2 are arranged in
parallel rows as in the ordinary type of fire
tube boilers now in general use. The boiler,
is provided with an ordinary steam dome 3
from which a steam pipe 4 extends rear-
55 wardiy and carries adjacent its extremity a
valve 5 for regulating the admission ofsteam to a flexible tube 6 which communi-
cates with the flue cleaner, as will presently
appear. The boiler 1 may be mounted upon
any desired form of setting, the setting 60
shown in the drawing comprising side walls
7,. end walls 8, a bridge 9, and an arched
'top, wall 10, which latter houses over the
combustion chamber of the setting, all of
the above mentioned parts being formed of .65
brick or other material suitable for the pur-
pose.
The flue cleaner comprising the subject
matter of this invention consists of a steam
supply pipe 11 having secured to one end a 70
pipe 12 which latter is provided in its bore
with a plug 13. The pipes 11 and 12 are
journaled in a pair of tubular bearings 14
which are disposed in the side walls of the
setting below the boiler and loosely engage 75
the pipes so that the latter may be freely
slid back and forth therethrough.
A steam distributing pipe 15 projects up-
wardly from the steam supply pipe 11 and is
secured thereto by means of a T-coupling 16 0
which is also employed for attaching the ex-
tension pipe 12, or by other suitable means.
The distributing pipe is formed with an el-
bow 17 adjacent its lower end to permit the
free extremity of the pipe to extend approxi- 85
mately parallel with the rear end of the
boiler while the supply pipe 11 extends
across beneath the boiler, as shown. A plu-
rality of. nozzles 18 are arranged longitudi-,
nally of the pipe 15 and are so spaced as to 90
project into a row of flues when the steam
pipe is in operative position.
The steam pipe 11 is provided near its
outer extremity with a T-coupling or similar
connector 19 which communicates with the 95
before mentioned flexible tube 6 and may be
provided with a'drip cock 20 through which
the condensed steam may be drawn off after
each operation of the device. An operating
lever 21 is secured to a plug 25 which closes 10
the extremity of the coupling by means of
which the pipe may be slid forwardly
through the tublar bearings 14 so that the
distributing pipe 15 may be brought succes-
sively into alinement with each row -of flues, 105
and may be retracted through the tubular
bearings and rotated until the distributing
pipe is in abutting contact with the adjacent
inner wall of the combustion chamber, as
shown in Fig. 3. 110
An angular housing or laaffle 22 is secured
to the inner wall of the combustion chamber
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Bartles, Neslon E. & Hawkins, Charles O. Device for Cleaning Flues, patent, June 14, 1910; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth512883/m1/2/: accessed June 30, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.