Year: 1886

page_text: Date of Application, 19th Nov., 1886.
Complete Left, 16th Aug., 1887.
Complete Accepted, 27th Sept., 1887.
I CARL ADOLF SAHLSTRÖM of Albert Quay in the City of Aberdeen Gentleman do
hereby declare the nature of this invention to be as follows:-
This invention has for its object an apparatus for projecting oil or other fuel into
furnaces in the form of spray.
The apparatus as it is preferred to construct it is represented by the annexed
drawings.
Figure 1 is a longitudinal and vertical section.
Figure 2 is a transverse and vertical section.
Figure 3 is a section on the line A B. in Figure 2.
Figure 4 is a plan and Figure 5 is a side elevation.
Superheated steam enters at E passes along the pipe s and issues from the contracted
orifice X. o is the oil space. u is a sleeve which slides on s for adjusting the amount
of oil to be admitted. V is the screw for effecting this movement. I is a finger
pointer which marks on a graduated scale round the boss, the amount of opening for
the oil. E. F is the hot air space. P. Q is the adjustable air space. W is the
contracted throat where the different materials are mixed. J is the oil nozzle. H is
the handle upon which the apparatus rests when out of action. P is the hot air
passage by which it enters the circulating passage E. F. b and c are the steam and oil
ports respectively.
Figure 2 shows the steam and oil ports leading up to their respective chambers.
D. E is the base of the apparatus on which is fixed the snug k through which is
screwed the locking pin K. F is the centre of motion..

page_text: The action of the apparatus is extremely simple and under perfect control. A coil
of pipe is placed under the fire box to superheat the steam; this pipe enters the
apparatus directly from the furnace. The air is heated in another coil and at the
entrance to the air pipe a regulating grid valve on the trumpet mouth is provided.
The nozzle which enters the fire box is very readily raised or lowered with great
facility and the whole apparatus can be swung back from the fire, when not in use, or
when it is desired to examine it.
The trunnion on which the apparatus swings resembles a three way valve.
When the apparatus is set at the desired angle, the locking and tightening of the
steam and oil joints, together with the position of the apparatus is effected
simultaneously. It will be seen that by unscrewing the locking pin, the apparatus
can be taken out of the trunnion in an instant and the whole of the ports can be
examined. Steam can be blown through the oil port for the purpose of cleaning.
Dated this 19th day of November 1886.

page_text: COMPLETE SPECIFICATION.
An Apparatus for Projecting Oil or other Fuel into Furnaces in the
Form of Spray.
I, CARL ADOLF SAHLSTRÖM of Albert Quay in the City of Aberdeen Gentleman
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 has for its object an apparatus for projecting oil or other fuel into
furnaces in the form of spray.
The apparatus as it is preferred to construct, it is represented by the drawings
lodged with my Provisional Specification.
Figure 1 is a longitudinal and vertical section.
Figure 2 is a transverse and vertical section.
Figure 3 is a section on the line A B in Figure 2.
Figure 4 is a plan and Figure 5 is a side elevation.
The apparatus is an improvement on that described in my former Specification
No. 14535 in the year 1886.
Superheated steam enters at E passes along the pipe and issues from the
contracted central orifice X. o is the oil space, u is a sleeve which slides on s for
adjusting the amount of oil to be admitted by the narrow annular orifice beyond the
end of the sleeve u. V is the screw for effecting the adjusting movement. I is a
finger pointer which marks on a graduated scale round the boss, the amount of
opening for the oil. E F is the hot air space. P Q is the adjustable air space within
an outer chamber supplied from E F. W is the contracted throat in the outer
chamber where the different materials are mixed. J is the oil nozzle; by moving the
sleeve u to and from the inner lip of this nozzle the adjustment of the oil delivery is
effected. His the handle upon which the apparatus rests when out of action. Pis
the hot air passage by which it enters the circulating passage E F, b and c are the
steam and oil ports respectively.
The passages P b and c are contained within a bent arm one end of which is
horizontal and carries the trunnion and the other is vertical and carries at its upper
end the delivery mechanism.
Figure 2 shows the steam and oil ports leading up to their respective chambers.
DE is the base of the apparatus on which is fixed the snug k through which is
screwed the locking pin K. F is the centre of motion.
The action of the apparatus is extremely simple and under perfect control. A coil
of pipe is placed under the fire box to superheat the steam; this pipe enters the
apparatus directly from the furnace. The air is heated in another coil as described in
my former specification and at the entrance to the air pipe a regulating grid valve on
the trumpet mouth is provided..

page_text: The nozzle which enters the fire box is very readily raised or lowered with great
facility and the whole apparatus can be swung back from the fire, when not in use, or
when it is desired to examine it.
The trunnion on which the apparatus swings together with the socket which
receives it resembles a three way valve. At the end of the trunnion the hot air enters
and the steam and oil are supplied by the two pipes provided with stop cocks which
are fitted one on either side upon the trunnion socket.
When the apparatus is set at the desired angle, the locking and tightening of the
steam and oil joints is effected by screwing in the pin K and the fixing of the
apparatus in position is effected simultaneously. It will be seen that by unscrewing
the locking pin, the apparatus can be taken out of the trunnion socket in an instant
and the whole of the ports can be examined. Steam can be blown through the oil
port for the purpose of cleaning.
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
1. Apparatus substantially as described wherein steam issuing from a central
orifice meets oil or liquid fuel entering by a narrow annular aperture and
subsequently encounters heated air supplied through another external concentric
aperture all mixing in the contracted throat of an outer chamber as herein set
forth.
2. In combination with apparatus for projecting oil or other fuel into furnaces in
the form of spray; the trunnion socket and trunnion with passages therein for the
hot air, steam, and oil or liquid fuel and the bent arm in connection within the
trunnion containing passages leading the hot air steam and oil up to the delivery
mechanism substantially as described.
3. Apparatus substantially as described and represented by the annexed drawings.
Dated this 16th day of August 1887.
CARPMAEL & Co.,
Agents for the Applicant.