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Патент USA US2128155

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Aug. 23, 1938-
2,128,155
c. J. T. McPHEàsoN '
OIL BURNER -
Filed May 24, 1937
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ATTORNEYS
2,128,155
Patented Aug. 23,1938
`
‘UNITED *STATES
PATENT 'OFFICE
2,128,155
OIL BURNER
Charles .1. T. McPherson, Coshocton, Ohio -
Application May 24,~1'931,ser1a1 No. 144,491
3 Claims.
(Cl. 158-91)
This invention relates to oil burners, and its
general object is to provide an oil burner that is
primarily designed for cabinet heaters but can
be used with utmost efficiency in stoves of other
5 types, as well as'furnaces, and is capable of pro-,
ducing intense heat with minimum consumption
of fuel, _due to complete combustion that is
brought about by the structure and arrangement
of the parts, which provides' for. the proper mix
10 ing of the fuel and air, thereby resulting in the
formation of a gaseous mixture of extremely high
combustible qualities. _
,
A further object is ~to provide an oil burner
that is practically noiseless, is simple in construc
15 tion, inexpensive vto manufacture and extremely
efilcient in use and service.
This invention also consists in certainother
features of construction and in the combination
and arrangement of the several parts, to be
20 hereinafter fully described, illustrated in the ac
companying drawing and specifically pointed out
in the appended claims.
~
l In describing the invention in detail, reference
will be had to the accompanying drawing wherein
„g5 like characters denote like or corresponding parts
throughout the several views, and in which:
Figure 1 is a vertical sectional view illustrating
my oil burner in use with a cabinet heater.
Figure 2 is a sectional view taken approximately
x on line 2--2 of Figure l, looking in the direction
of the arrows.
Referring to the drawing in detail, the ref
erence numeral I indicates the casing or shell of
a cabinet heater which is provided with an open
35 bottom having a flange extending about the same
to which is 'secured the legs 2, and the upper end
of the casing is closed by the usual slotted or
open _Work top 3, while the front of the casing
has an opening therein closed by a door 4.
a) The oil burner includes a casing 5 that. is like
wise provided with an open bottom having a sup
porting frame preferably made from bars 6 bridgJ
ing the same, as clearly shown in Figure 1, the
to the flange II of the inner wall by screws or
other suitable means is a ring plate I3, while a
like ring plate I4 is secured to the flange I2 of
the outer wall, the plates extending toward each
other and thence are upwardly flared to provide 5
a restricted flame outlet. The walls 8 and 9 are
each provided with perforations I5 for the pas
sage of air within the`fire pot as shown by the
arrows in Figure 1.
~
\
Secured to and supported upon the plate I3 10
is a substantially drum shaped closed casing I6
that has its bottom shaped to follow the shape
of the plate I3 and the casing I6 provides what
I term a name deñector.
The upper end of the
casing I6 is closed by a flat wall I1, and resting 16
thereon and extending rearwardly for disposal
through the casings I and 5 is a flue pipe I8 which
has inlet openings I9 in the sides thereof, while
the inner end of the pipe I8 is closed as at 28.
Disposed within the drum shaped casing I6 and 20
radiating from the center thereof are horizontal
tubes 2l which have their inner ends communi
eating and their lopposite ends opening through
the wall of the drum or casing I6. ' The tubes 2l
are arranged adjacent -the lower end of the drum 25
I6 and formed with the meeting inner ends there- '
of for communication therewith as well as rising'
therefrom is what I term a hot blast tube 22
which extends through the upper wall of the
drum I6 as well as through the flue pipe I8 and 30
has secured to the upper end thereof a funnel
shaped inlet member 23 which opens through the
upper wall 'I of the combustion chamber provided
by the casing 1. The passage of air within the
tube 22 is controlled by valve means which in- 35
cludes a slotted disk 24 in the form as shown that
is fixed in the upper end of the inlet member 23,
and a -like slotted disk 25 is rotatably mounted
0n the disk 24 so that the slots can be disposed
into and out of registration with respect to each 40 y
other. The disk 25 is preferably adjusted by a
lever 26 that has its inner end pivotally secured
thereto adjacent its periphery and the lever ex
bars having upturned ears fixed to the inner side , tends through an opening in the front wall of
45 of the casing 5.
The casing provides a combus
tion chamber and the upper end thereof is closed .
as at 1.
Mounted on the supporting frame .or bars 8 is
the fire pot of my burner which as shown in
\ 50 Figure 1 is of ring formation and includes inner
and outer vertical walls 8 and 8 respectively, that
merge into the annular bottom IIl, in rounded
formation, as clearly shown in Figure 1. The
upper ends of the walls 8 and 9 are inturned to
provide annular flanges II and I2 and secured
the casing or shell I, with a knob 2l fixed to the 45
outer end thereof to provide a handle,vas will be -
apparent, and the lever preferably has teats 28
depending therefrom to provide means for hold
ing the valve in adjusted positions, the teats
cooperating for disposal upon opposite sides vof 50
the opening,y as shown.
The oil is introduced in the lower end of the
fire pot by’branch pipes 29 extending from the
main pipe that is in communication with a suit
able source of supply and the branch pipes pass
2
2,128,155
through the inner Wall 8 and terminate substan
tially midway between the walls 8 and 9, as shown
in Figure 1, so that the oil will be equally dis
tributed around the bottom of the pot.
It will be obvious that the oil is'ignited within
the pot, and air passing through the openings I5
through the flame deiiector for introducing air
in the path of the ñame from the outlet, means
for regulating the passage of air through` the
tubular means, and flue means providing the out
let for the combustion chamber and having lat- 5
eral inlet openings therein and a closed inner
as shown by the arrows, will become heated by
end.
the flaming oil which will result in the formation
2. An oil burner comprising a casing provid
ing a combustion chamber having an open lower
air inlet end, a ring shaped oil receiving ñre pot 10
mounted within the casing at the lower end there
of and including perforated concentrically ar
ranged vertical Walls providing a central air pas
sage through the pot and an annular air passage
of gas that burns upwardly through the annular
flame passage provided by the rings i3 and I4,
where it is mixed with additional air within the
combustion chamber, that iiows through the'tubes
2| and 22, as indicated by the arrows, thereby
providing intense heat within the combustion
chamber and about the iiame deflector, the heat
`rising to be radiated through the openings or
slots in the top 2 of the casing of the burner.
> However, the heat can be regulated by increas
ing or decreasing the amount of air that passes
20 through the blast tube 22 and tubes 2| by the
Valve means at the upper end of the blast tube,
as set forth.
about the pot, ring plates secured to the upper 15
ends of the walls and being upwardly iiared there
from and spaced to provide an annular flame out
let, a 'closed hollow llame deilector seated on the
ring plate and closing the upper end of the cen
tral air passage, a blast tube extending centrally
through the ilame deñector, horizontal tubes
communicating with the lower end of the blast
It will be noted that the central air passage
provided by the wall 8 of the fire pot is closed
25 by the bottom of the casing I6, and I may pro
vide a ñat ring shaped partition 30 which is
tube and radiating therefrom and opening above
the flame outlet for introducing air in the path
of :llame therefrom, flue means providing the out 25
let of the combustion chamber and resting on the
shown as extending outwardly from the upper flame deiiector, said blast tube extending through
end of the outer wall 9 of the fire pot,~ to the the iiue means, and means at the upper end of the
Wall of the casing 5, for closing the air passage ' f blast tube for regulating the passage of air there
y30 about the wall 9 of the pot, so that all the air
through.
I
.-.30
coming through the lower end of the casing 5 will
3. An oil burner comprising a casing provid
pass through the perforations l5 for disposal ing a combustion chamber having an open lower
within the pot, to provide a draft therethrough. air inlet end, a ring shaped oil receiving ñre pot
However, the partition which in effect, acts as a mounted Within the casing at the lower end there
deflector, may be disposed at any place, desired.
of and including perforated concentrically aar-,35
It is thought from the foregoing description
that the advantages and novel features of the in
vention will be readily apparent.
It is to be understood that changes may be
made in the construction and in the combination
and arrangement of the several parts, provided
that such changes fall within the scope of the
appended claims.
'
What I claim is:
1. An oil burner comprising a. casing provid
ing a combustion chamber having an open lower
air inlet end, an oil receiving iìre pot mounted
within the casing at the lower end thereof and
including perforated coiicentrically arranged ver
:50 tical walls providing a central air passage through
the pot and an air passage about the pot, means
extending inwardly from the upper ends of the
Walls to provide a restricted flame outlet for the
pot, a hollow drum shaped closed ilame deilector
seated on the pot and closing the upper end of
the central air passage, tubular means extending
ranged outer and inner vertical walls, the inner
wall providing a central air passage through the
pot and the outer wall spaced from the casing
wall to provide an annular air passage about the i
pot, said pot having a restricted flame outlet ath-40
the upper end thereof, a flame deflector seated
on and rising from the pot and closing the upper
end of the central air passage, said ilame deflector
including rounded portions extending into the
path of iiame from the outlet of the pot, a blast. 45
tube extending centrally into the flame deilector,
air tubes communicating with the blast tube and
radiating therefrom for introducing air in the
path of the flame from the pot outlet, flue means
resting upon the flame deflector and providing; 50
the outlet for the combustion chamber, valve
means for controlling passage of air through the
blast tube, and handled lever means for actuating
the valve means.
CHARLES J. T. McPHERsoN.
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