Evening star. [volume] (Washington, D.C.) 1854-1972, 1910-11-30
Fifteen Years Of Work.

lie experimental with different quail
ties Of coal in the same manner whenever
he could induce people to permit him to
use their furnaces. He had been en-
gagged in these experiments for fifteen
years. when he discovered the secret
Of the top draft and the advantages OF
hot air. Then he went to Vienna and
took out his patent. A company was
formed in Carlsbad to promote it, and the
apparatus has been placed In several fur
naces In Paris and other cities OF
Europe with the same results that have
been shown IN Carlsbad.
Herr Sichert, In explaining his paten
to me, said: Heretofore, In all smoke
consuming furnaces. SO far as am
aware, satisfactory operations have been
more or less dependent upon the skillful
attendance Of a reliable stoker, and
have never known any furnaces to give
complete satisfaction when they have
been fed by careless attendants. My in
ventiOn Is q furnace in which the fuel
is entirely consumed without smoke and
which, by reason Of its simplicity, can be
operated by automatic stokers, or men
entirely without experience, in most
satisfactory manner
"The coal can be shoveled into an auto
matte feeding box, from which 1t slides;
down an inclined CRATE to fiat crate
until the whole surface Of both crates
is uniformly covered, and they will re-
main so covered az long as the feeding
box is full The upper half OF the in
lures. like a polygonal crate. and its
lower half -ith wider longitudinal aper-
tures: the nat CRATE likewise has lon2i-
tudinal apertures. The fire Is started on
a fiat crate and becomes an intense fame
Jet, which extends over TN. the inclined crate ate
coal on the upper half of the inclined
crate I'D to the feeding box gives off its
gases and slides gradually downward on
to the flat crate, as the combustion on
the latter proceeds. thereby continuously
replacing the consumed coal. The feeding
box must always be kept full In order
10 replace from the top the downwardly
sliding coal. .
:.The necessary air is supplied through
a valve which can be- regulated IN ac-
Air Supply Important.
..tn the ash pit. Immediately beneath
the fiat crate, arc openings OF air sup
ply for consuming the smoke. Through
these passages. the air, previously heat
ed in the ash pit. passes into the arched
passages. is heated therein and then
masses through the apertures directly
into the combustion chamber where.
combined with the fame. it produces a
t,c,es Of smoke, SCOT and sulphur are en-
tirely consumed. The flame burns white
and passes out through the fiues perfect
" smokeless into the chamber, where 1T
Is to be used for any special purpose.
The passages can ne controiled by damp
ers and the like.
:Yf the crate surface is quite covered,
.n5 an intense fire is required, the valves
must be fully opened. SO that large
THhen, q slower fire is desired the valves
NAV be nearly closed and the fire Is low
erad. With a slower fire less smoke is
produced and less ali is required to
burn it.
..Thus you will see that the furnace is
automatic and simple and an examine
lion Of tie ash pits Will show that the
consumption IL perfect
Nr. Sichert showed me report from a
furnace and iron foundry at Darnist adj.
where experiments have been going on
for some time under the observation OF