Year: 1888

page_text: Date of Application, 24th Jan., 1888
Complete Specification Left, 22nd Oct.. 1888
Complete Specification Accepted, 14th Dec., 1888
I GEORGE ROSE of 5 Avenue Place Springburn, Glasgow in the County of Lanark,
Engineer, do hereby declare the nature of this invention to be as follows:-
This invention relates to a lamp of a tubular or partly tubular construction wherein
mineral or other suitable oil in admixture with air is first vapourized and the
oleaginous vapour produced is then, under the action of and in admixture with an
air blast forced into a combustion chamber and there burned for lighting or heating
purposes.
The lamp as constructed under this invention consists of a conical, cylindrical or
other desired form of combustion chamber or cup in the bottom of which a nozzle
is formed or fixed which communicates with a tubular or other form of vapourising
chamber to which is admitted through a tubular connection a cold or partially heated
blast of air from a reservoir, tank, or pipe containing air supplied from a fan or
blower. The mineral or other oil which may be supplied from a tank direct or through
pipage may if so desired be injected, through a nozzle fixed in the tubular connection,
into and mixed with this cold or comparatively cold air blast. Another blast of air
from the air tank, reservoir, or pipe is also admitted to the vapourising chamber.
This blast of air is highly heated by being made to pass through a tubular con-
nection which is carried into around or near the flame of the lamp and if it is
desired to give a great heating surface to the air blast the part of the pipe in, or
in proximity to, the flame may be made with one or more coils. The impinging
in the vapourising chamber of the hot air blast upon the oil in admixture with the
The oleaginous vapour
cold or comparatively cold air blast vapourizes the oil.
thus formed is forced from the vapourising chamber through the nozzle into
the combustion chamber from whence it issues in the form of a clear steady and
powerful flame. Air may be admitted to the combustion chamber through an annular

page_text: space formed at its upper extremity by a short cylindrical piece held or fixed at a
little distance from and concentric with the inner side of the chamber or through
holes or otherwise.
Under a modification the tubular connection for the cold blast herein before
described may be dispensed with in which case the oil jet is or may be admitted
into that part or coil of the hot blast pipe in, or in proximity to the flame, the
said part or coil in this case constitutes the vapourising chamber, the oleaginous
vapour passing thence downward to the bottom of the combustion chamber and
there burned or instead of passing directly to the bottom of the combustion chamber
it may pass into the upper end of a short pipe connection to the air tank and
forced into the said chamber with the cold air.
Dated this Twenty third day of January 1888.
HUGH D. FITZPITRICK,
17, Hope Street, Glasgow,
Agent.

page_text: I, GEORGE ROSE of 3 Avenue Place Springburn, Glasgow in the County of Lanark
Engineer, 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 improvements in lamps for burning oleaginous vapour or
gas and air, the improved lamp being of a tubular or partly tubular construction. In
this lamp mineral or other suitable oil in admixture with air is first vapourized and
the oleaginous vapour produced is then under the action of and in admixture with an
air blast forced into a combustion chamber and there burned for lighting or heating
purposes.
The air blast may be supplied to the lamp from a fan or blower or from an air
compressor and the oil may be supplied with more or less of a head, the action of
the air blast if of sufficient force will however carry it up to the burner from a
lower level if required.
The plentiful admixture of air with the oil or oil vapour in my improved lamp
ensures a more perfect combustion and consequently better and clearer light than
that obtained from lamps of this class as heretofore constructed, whilst the lamp
can be erected at a very small cost in workshops and other situations where an air
blast can be readily obtained from fanners or an air compressor.
In order that ny said invention and the manner of performing the same may be
properly understood I have hereunto appended an explanatory sheet of drawings,
Figs. 1, 3 and 4 of which show in elevation forms of the lamp wherein the air blast
is subdivided before reaching the burner. Fig. 2 is a part sectional view of the lamp
at fig. 1. Figs. 5 and 6 are respectively sectional views of the vapour chamber and
combustion box shown at figs. 3 and 4. Figs. 7, 8, 9 and 10 show a modified form of
lamp wherein only one air blast is used. Fig. 11 is a sectional view of the expansion
chamber and combustion box fig. 7, whilst fig. 12 is a sectional plan view of the ring
or single coil shaped vapour chamber fig. 9.
The lamp shown at figs. 1 and 2 consists of a closed tank or vessel A, into which air
is forced either from a fan or blower or from an air compressor, one blast of air
escaping from the tank A, up the tube B, through the coil pipe C where it becomes
intensely heated by the flame shown in dotted lines which plays upon the coil thence
downward as shown by the arrow at a, and into the bottom of a hollow cylindrical or
box shaped vapour chamber D, supported on top of the pipe B.
This vapour
chamber D, has a nozzle E, (fig. 2) formed on or screwed into its upper end. On top
of the chamber D, a combustion box or cup F, preferably of a conical or cylindrical

page_text: shape as shown is screwed or coupled, this combustion box nas or may nave a
cylindrical piece G (fig. 2) hung or held by small fingers or projections at its upper
end, at a little distance from and concentric with the inner side of the combustion box,
an induced current of air passing down the annular passage fso formed between the
cylindrical piece and the combustion box, to the flame as shown by the arrows. From
the tank A, an air blast passes through another pipe H, secured at its lower end
to the tank A, and at its upper end inserted into the vapour chainber D. This pipe H,
may be carried up into the flame to heat the blast if desired but it is usually kept at
some distance from the flame as shown. Into the pipe H, oil supplied by gravitation
or pumped or forced up from a tank is led through a small pipe I, the oil becoming
sprayed and intimately mixed with the air blast and passing down therewith to the
chamber D. The impinging in the chamber D of the hot air blast from the pipe B,
with the cold, or comparatively cold oil laden blast from the pipe H, vapourizes the
oil, the oleaginous vapour thus produced is forced from the chamber D, through the
nozzle E, into the combustion chamber F from whence it issues in the form of a clear
steady and powerful flame.
The lamps shown at figs. 3 and 4 are supported on a branch pipe A, in connection
with the pipe from a fan or blower or an air compressor. In the lamp shown at fig. 3
and in sectional detail at fig. 5, an air blast passes directly up the pipe B, which has a
nozzle B formed on or screwed into it at top, and carries the oil which is admitted
through a pipe C, along with it into the cylindrical vapour chamber D. Another
blast passes up from the pipe A, through the pipe E, into the vapour chamber D, this
air blast is heated by being made to pass through a bent portion E¹ of the pipe E,
carried up into the flame. The chamber D, has a conical opening F at top into
which the oil spray nozzle B¹ enters concentrically. The oil spray and hot air blasts
pass out from the chamber D, through the conical opening F with great force and
into the combustion box G which in this lamp may be, as shown, of a cylindrical
shape with a contracted part at top and provided with a flange at bottom for fixing
it to the chamber D. Air holes may be made in the combustion box for admission
of air to the flame if desired. Instead of using this form of combustion box the
one shown at figs. 1 and 2 may be employed.
and
In the lamp shown at fig. 4 and in sectional detail at fig. 6, three air blasts from
the branch pipe A are used, one passing up the tube B, direct into the tubular vapour
chamber D, another passing through the bent pipe C which may be carried up into
the flame if desired and thus form a second hot blast, whilst the third or hot blast
passes up the pipe E, through the heating coil E¹ so placed as to be heated by the
flame of the lamp, and down the continuation E2 into the blast pipe B; or instead of
entering into the blast pipe B this blast may be entered into the vapour chamber D.
The oil which may be supplied by gravitation or otherwise is conducted through
the pipe F into the blast pipe C, wherein it communicates with and is carried along
by the air blast into the vapour chamber D. The intermixing of the oil spray
heated or partially heated blasts within the chamber D vapourizes the oil, the vapour
passing out through the nozzle G and combustion box H, and there burned. In
this lamp the vapour chamber D is shown of a hollow cylindrical shape, screwed
on top of the pipe B and having a cover I screwed over it. Screwed into the
cover I is the nozzle G which has preferably a bell mouth at bottom and screwed
on to or coupled to the nozzle G is the cylindrical or cup shaped combustion box H.
Under the modified arrangements shown at figs. 7, 8, 9 and 10 and in detail at 11
and 12 only one air blast is used the oil being carried along with it and vapourized
in a tubular vapour chamber heated by the flame. In the lamp shown at fig. 7
and in detail at fig. 11, the blast from the tank or reservoir A, passes up the pipe B,
and through the flat rectangular shaped coil B¹, which may have "knee" joints at
the angles and into which the oil is led by a pipe H, the oil being vapourized by
the intense heat of the flame playing on the coil, the vapours and air pass down the
pipe C, into an expansion chamber D secured on top of the tank. A, from whence
they pass through a nozzle E screwed on top of the chamber D and are burned
in the combustion box F. The combustion box F which is shown screwed on top of
.

page_text: the chamber D, may have a cylindrical piece G and be otherwise of the same
construction as the box F figs. 1 and 2.
The lamp shown at fig. 8 is of the same construction as that at fig. 7, except that
instead of using a flat-coil vapour chamber, a single straight connecting tube B' is
used, the oil passing into the tube from a pipe H and being converted into vapour
therein.
Figs. 9 and 10 represent lamps with vapourizing chambers of a single coil or ring
shape. In the lamp fig. 9 the air blast passes from the branch pipe A, up a vertical
pipe B into which oil is supplied through a pipe H, the oil being sprayed and carried
along with the air up into a hollow ring shaped vapour chamber B¹, heated by the
flame from the burner passing through it, wherein the oil is vapourized, the vapour
in admixture with the air blast being burned at the nozzle shaped burner E. The
oil laden blast enters the ring shaped vapour chamber from the pipe B (see fig. 12)
and passes round it, the oil being vapourized in its passage, and then down a pipe D
to the burner E. The vapour chamber B¹ is preferably of a hollow split ring form
(see fig. 12) although it may be a complete ring. The advantages of having the split
ring form are that it allows for expansion of the metal under great heat and ensures
the oil being thoroughly vapourized by its having to pass round the full circuit of
the ring before reaching the outlet pipe. Instead of using only one ring chamber
two or more may be used.
In the lamp at fig. 10, the air blast is conducted from a branch pipe or from a tank
or other source of air supply up a stand tube B, which may be of any desired height,
the oil tube being led up the inside of the stand tube, the combined oil and air
blast passing through a double ring shaped chamber (or three or more rings may
be used) the upper and lower ring being connected by vertical tubes C. The oil
and air blast is led first into the upper vapourizing ring chamber D, passes round
it, and thence down by the tubes C, into the lower vapourizing ring chamber E; from
the chamber E the combined air and vapour passes by the pipe F to the nozzle shaped
burner G and is there burned. Under this arrangement the ring chambers may be
either complete rings, as shown, or they may be split rings as at figs. 9 and 12.
A casing may be fitted round the vapour chamber and burner under the arrange-
ments at figs. 9 and 10.
For the purpose of preliminary heating when starting the lamps a little naphtha or
other hydrocarbon 6 is poured into the combustion box as shown at figs. 2, 5, 6 and 11
from the top or through a small plug or inlet as at c figs. 1 and 2, and ignited. In
the lamps at figs. 9 and 10 hydrocarbon is poured into the cup d, surrounding the
burner E.
Although I have described and shown several modes of carrying my invention into
practice it is to be understood that I do not confine myself thereto as it is evident the
lamp may be further modified without departing from the spirit of the invention.
And although I have only described and shown these lamps as used for lighting
purposes, it is to be understood that they are equally applicable and can be used for
heating purposes by setting the lamps horizontally or at an angle so that the flame
may be injected into the furnace or chamber to be heated.
In the arrangements of lamps shown at figs. 7, 8, 9, 10, 11 and 12 cleaning plugs
may be fitted in the vapour chambers for the purpose of cleaning out carbon.
The hot blast coil or tubular vapour chamber, as the case may be, instead of being
situated at or near the top of the flame, as shown, may be situated near to or
surrounding the mouth of the combustion box or burner.
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 :-
1. The combination of parts of my improved lamp as shown at figs. 1 and 2, and
under the modified arrangements at figs. 3, 4, 5, 6, 7, 8, 9, 10, 11 and 12 of the
annexed drawings the several parts being arranged and operating substantially as
herein before described.

page_text: 2. In an air blast lamp the method of generating, within a vapour chamber,
oleaginous vapour by causing a hot air blast to impinge on and vapourize the oil
carried by another cold or partially heated air blast, substantially as hereinbefore
described.
3. In an air lamp, the passing of the air blast to a tubular vapourizing chamber
into which oil is admitted, the oleaginous vapour and air thence passing to a burner
or combustion box so situated that the flame issuing therefrom shall heat said
vapourizing chamber and vapourize the oil therein, substantially as hereinbefore
described with reference to figs. 7, 8, 9, 10, 11 and 12 of the annexed drawings.