Year: 1899

page_text: Date of Application, 24th Nov., 1899-Accepted, 20th Jan., 1900
I, ROBERT OTTO EDUARD SUCHIER, of Friburg, in Brisgau, in the Duchy of
Baden, Germany, Inventor, do hereby declare the nature of this invention and in
what manner the same is to be performed, to be particularly described and ascer-
tained in and by the following statement:-
The present invention relates to a self regulating stove with double walls and
hermetically closed, and it consists in the novel construction hereinafter fully
described and claimed.
And in order that this my invention may be the more readily understood and
carried into practice, reference is hereby inade to the accompanying drawings,
in which:-
Fig. 1 is a vertical section of my improved stove, the section being made on
line X-Y of Fig. 3.
Fig. 2 is another vertical section taken near the front wall of the stove.
Fig. 3 is a horizontal cross section on line Z-% of Fig. 1.
Fig. 4 shows a modification of the construction.
Like letters refer to like parts in both views.
The opening a for the introduction of fuel arranged at the upper part of the
stove as well as the aperture 6 allowing of poking the fire and removing the
ashes can be hermetically closed. care the firebars. e is the smoke outlet.
The essential and principal part of the improved stove is an aluminium rod or
tube arranged within the stove and at the rear part thereof, the said rod or
tube operating to regulate automatically the combustion.
This regulating rod f may also be made of any other metal or alloy of metals,
if the co-efficient of expansion thereof differ from that of the iron.
This metallic rod is fastened at its upper end into a brass sleeve h and held
in position by a set screw g so that when expanded by the heat of the stove the
said rod can only move in the direction of its length towards the bottom. The
sleeve, fastening the regulating rod f, is provided at its front part with a hori-
zontal groove engaged by a pin & excentrically secured to the rear disk-shaped
end of a rod i horizontally arranged and extending from the rear part to the
front part of the stove, and journaled in suitable bearings 7. The fore-end of the
said rod carries an index or hand m moving on an index plate n, on which have
been previously marked the words normal," warm and cold."
22
The rotations of the index naturally cause the horizontal rod to turn around
its longitudinal axis. The movement of this horizontal rod moves, by means of
the said excentric disk, the regulating rod f vertically. The lower end of this
regulating rod terminates in a blunt point which, by the vertical movement of
the regulating rod caused by the increase or the decrease of the degree of heat,
presses upon the small arm of a lever P, arranged within the hollow base of
the stove. Actuated by the regulating rod, this lever pivots on its fulcrum and
the large arm thereof causes a flap g placed in front of an air-hole S to shut this
hole by means of the curved back plate o¹, whereby the admission of the neces-

page_text: sary air for the combustion is cut off. The curved back plate o¹ prevents the
flap from falling back upon the lever p.
Should the intensity of the heat continue to increase, the regulating rod will
lengthen and by means of the lever cut off the admission of air.
When the intensity of the heat decreases the regulating rod will shorten and
the lever withdraws the flap and allows the admission of air.
If it is desired to have a rapid combustion the hand m is moved in front of
the mark "warm," whereby the rod f will be somewhat raised thus requiring
a greater expansion for closing the opening S. is an air supply pipe to increase
the draft through the smoke outlet e.
The hand m may be dispensed with and the arrangement shown in Fig. 4
substituted therefor.
In this instance the upper portion of the regulating rod f is screw-threaded
and engages a threaded sleeve or nut, u revolubly secured in place in any suit-
'able way, thus preventing the rod f from moving upwardly by the action of heat.
The rod carries a hand m¹ moving in front of a suitable scale. It will be under-
stood that the rod may be raised or lowered by rotating the nut in the proper
direction to bring the head m¹ in front of "cold" "normal" or
Having now particularly described and ascertained the nature of my said
invention, and in what manner the same is to be performed, I declare that what
I claim is:
warm.
39
1. The improved self regulating stove adapted to be hermetically closed.
having a regulating rod f made of aluminum or other suitable material, arranged
vertically, means for preventing said rod from moving upwardly by the action
of heat, a horizontally arranged revoluble rod in the upper part of the stove,
adapted to raise or lower the regulating rod by rotation, a hand on the front
end of said horizontal rod and moving in front of a suitable scale, a two armed
lever in the hollow base of the stove suitably fulcrummed and engaged by the
lower end of the regulating rod f, an air opening in said base, and a flap valve
adapted to close said opening as the two-armed lever is actuated by the regula-
ting rod, substantially as shewn and set forth.
2. In the improved regulating rod, the combination with the regulating rod f.,
having a threaded portion on its upper end, of a suitable nut u, revolubly held in
place and engaging said threaded portion and a hand secured on said regulating
rod to move on a suitable scale, substantially as shewn and set forth.
3. The improved regulating stove constructed and arranged substantially
as described and shown.
Dated this 24th day of Notambon 1800.