Improvements in Stoves for Heating and Cooking Purposes, to Burn Solid Paraffin or other Hydro Carbons which Freeze or Solidify at a Low Temperature.
Year: 1889

page_text: Date of Application, 9th Feb., 1889
Complete Specification Left. 7th Nov., 1889-Accepted, 21th Dec., 1889
PROVISIONAL SPECIFICATION.
Improvements in Stoves for Heating and Cooking Purposes, to Burn
Solid Paraffin or other Hydro Carbons which Freeze or Solidify
at a Low Temperature.
DOUGALD BALLARDIE, Seventy York Street, Glasgow, Lamp Maker with Cera
Light Company Limited do hereby declare the nature of this invention to be as
follows:-
The improvements consist of each of the wick tubes or holders in the Lamp being
fitted with a moveable plate or plates of copper or other heat conducting metal
surrounding the wick tube or holder, so arranged that the plate or platos can be raised
above the level of the wick to allow the flame to impinge on or be sufficiently near the
plate or plates which then conduct part of the heat from the flame to the wick tube
or holder and into the reservoir and by coming into contact with the solid hydro
carbon melts it and facilitates the burning.
Over cach flame there is fitted a metal funnel which is so formed that its lower edge
is below the level of the flaine and spread outwards from the burner or wick tube.
while at or near the level of the wick it is contracted to guide the air direct on to
the flame, and above the wick the funnel is spread outwards to allow the heated
air to escape rapidly and thereby cause a draught of air direct on to the flame and
through the funnel.
Dated this Seventh day of February 1889.
COMPLETE SPECIFICATION.
Improvements in Stoves for Heating and Cooking Purposes, to Burn
Solid Paraffin or other Hydro Carbons which Freeze or Solidify
at a Low Temperature.
DOUGALD BALLARDIE, seventy, York Street, Glasgow, Lamp Maker, with Cera
Light Company Limited, 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 :-
My invention relates to improvements in stoves for heating and cooking purposes;
constructed to burn solid paraffin or other hydro-carbons which freeze or solidify at
a low temperature.
And in order that the nature and novelty of my said invention, and the mode
and means of putting the same into effect or practice, may be properly understood:
I shall now proceed to describe the several figures on the sheet of drawings which I
have hereunto appended for that purpose; the same reference letters indicating the
same or equivalent parts in all the figures where shown.
Fig. 1 is a drawing of a stove with the front or door removed to show the internal
arrangement of a stove with two burners. Fig. 2 is a vertical cross section of the
stove. A. A. are metal chimneys attached to a roof plate B. The chimneys are
formed with a narrow neck at a, and below a are spread outwards towards a¹.
Above a to the roof plate B, the chimneys are curved outwards. The object of
this arrangement is to secure ingress and egress for a draught of air to and from
the flame.
Figs. 3. 4. 5. 6 show the positions of copper or other heat conducting metal plates
attached to the burner tube C.
Fig. 3. is an elevation showing the upper plate D lowered into position when not in
Fig. 5. is a vertical cross section of Fiz. 3. Fig. 4. is an elevation showing the
use.

page_text: upper plate D raised into position to facilitate the lighting of the lamp or wiek in
burner. Fig. 6 is a vertical cross section of Fig. 4.
In Figs. 3 and 5. the platus D are lowered or not in action.
By pushing forward the plate D, it is raised into the position shown in Figs. 4
and 6, so that the flame comes into contact with the tongues or projections if of
the plate D which communientes heat from the flame to the wick inhe or burner (!
liquefying the solid paraffin or other hydrocarbon in the wick tube or burner and in
the reservoir E.
When the stove begins to burn freely the plate D is drawn to the front, or
lowered to the level of the burner tube C, and does not interfere with the proper
action of the flame.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, 1 declare that what I
claim is
1st. The arrangement of chimney or chimneys as herein described and shown in
the accompanying drawings.
2nd. The arrangement of plate or plates of a good conducting metal in contact
with the burner tube or wick holder, through which the heat from the flame is
transmitted to the hydro carbon in the wick and in the reservoir.
Dated this Sixth day of November 1889.
DOUGALD BALLARDIE.