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Патент USA US2109027

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Filed March 25, 1937
00.." I
Patented Feb. 22,. 1938
‘Edward J. McCullough, New Yorh, N. Y.
Application March 25, 1937, Serial No. 132,930
1 claim. (Cl. 158-76)
The purpose oi’ the invention is to provide a
mixing well or ball adjacent the nozzle of an oil
burner for thoroughly breaking up the air before
it passes over the nozzle in order to obtain more
5 thorough mixing and more eiiicient burning.-
Figure 4 is a cross section~on line Q-H of Fig
Figure 5 is a detail showing a section through
a portion of the air inlet valve.
In the drawing the burner is shown as it may
The invention is an oil burner nozzle in which
the nozzle is positioned in a tube or surrounding
be made, numeral i indicating the spherical mix
ing chamber, numeral 2 the nozzle and numeral
jacket and the surrounding `iacket is> provided
3 the electrodes.
with a ball or spherical chamber directly behind
10 the nozzle, and the supply of air is forced through
a chamber oiîset from the nozzle and opening
into one side of said ball.
Many devices have been provided for mixing
The chamber i is of a spherical shape and is
made integral with a tubular outlet passage â
and a supply tube 5e connected into one side of
the chamber i through an opening t. It will.
be noted that air passing forward through the
oil,with air, or atomizing the oil, or breaking _tube 5 will be directed downward by the curved
surface ‘l atv the end thereof, and the air will
15 up _the air, however, substantially all'of these then pass into the chamber i and the spherical
involve a mechanical mixer of some form or are
in the form of venes to deiiect the air, howeven, surface of the wall thereof will direct the air
around in a spherical motion so that it Will pass
it has been found desirable to provide means ad
jacent the nozzle whereby the air‘passes through back through the incoming air and then- pass
out through the passage Q, and through the
a churning chamber in which the, vchamber' is
i? around the nozzle,l with the vinner
shaped to circulate the air through a sphere and
then discharge the air through the incoming air.. surfaces ii oi the passage d directing the air in
ward toward the center where it will again inter«`
‘ The object- oi’ the invention is, therefore, to pro
vide means adjacent the nozzle of an oil burner mingle at a theoretical point id. At thevback
for thoroughly. breaking up and :ce-mixing the of the chamber i is an opening ii covered with
a cover plated? having screws i3 holding it in
air before it passes around the nozzle.
piace as shown in Figure 1, and at the back of
Another object is to provide means for thor
oughly breaking up air passing through an. oil the cover plate is a boss it through which the
burner without moving parts or deñecting varies. fuel isl connected to the ,nozzle 2 through an in
ternal pipe i5 and another pipe i6 which ex 30
Another object is, to provide means for thor
to an oil pump i'ë. It will be understood,
oughly breaking up or atomizing air without ob
structing the area of the passage through which however. that this connection may be formed in
any other manner. The inner end of the pipe
the air passes.
A further object is to provide means for ‘thor-=` i5 is mounted in a spider or-stand i8 and the 36
upper part of the stand is formed with extensions
85 oughly breaking'up air in which the breaking
i9 and 2@ in which the electrodes 3 are also held.
up action is obtained by the shape of the inner
The connections 2i and 22 from the electrodes
surface oía chamber adjacent the nozzle.
>With these ends in View the invention embodies - pass backward through a porcelain bushing ‘23,
a passage connected with the exhaust oi a ian,
a spherical chamber positioned at one side of
that .may be held in. a socket 26, as shown in
Figure 2, and the socket may be held by a screw _
the passage and adapted to receive air i‘rom the
passage, and an. outlet lconnection extending
from the spherical chamber and in which the
of the casing and into a transformer 36 at one
nozzle and electrodes arepositioned.
Other features and advantages of the invenè
tion will appear from the following description,
taken in. connection with the drawing, wherein:
Figure 1 _is a View showing a side elevation of
the complete burner.
Figure 2 iS a cross section through the part oi
the casing showing the spherical chamber with
arrows indicating the path of air passing there
Figure 3 is a pian view o! the burner.
25 extending through the casing. The elec-v
trode connections pass outward through the wall
side oi"> the casing.
In the. design shown the opposite end of the
supply tube d extends backward and the end- 0D
posite the nozzle `forms a fan chamber 2l which
is mounted upon a stand 28 and a motor 2l is
also mounted on'this stand andidirectly con
nected to a fan or .turbine in the housing 21,
and also to thev fuel pump I1. It will be under
stood, however, that the arrangement of the mo
' tor pump and transformer is immaterial as the
ian or turbine, which may also be oi' any type
or design, and the pump, may be operated in any
This mixing action is accentuated by the fact
manner or by any means.
that the chamber is spherical, or curved in all
'I'he volume of air passing into the device may` directions as the air
downward at the
be controlled by a valve formed of stationary ribs sides and at every point, also is churned around
I0 and movable plates 3l positioned at one side . a sphere, as well as the air indicated by the
of the housing 21 and these may be adjusted by
lugs 32 and 33 in order to admit any amount of
arrows at the front, thereby increasing agitation
and ,producing more thorough mixing or breaking
air desired. The plates 3l are held by screws
34 and 35 in slots 315v and 31, and it will be noted
up there-oi’.
Having thus fully described the invention,
10 that they may be moved around the center to - what I claim as new and desire to secure by Let#
obtain any opening between the members 30 that
may be desired. It will also be understood that
this is only a typical arrangement of the valve,
as any other means may be provided for con
15 trolling the amount of air admitted.
It will be understood that other changes may
.be made without departing from the spirit of the
invention. One of such changes may be in the
ters Patent, is:
In an oil burner o! the type having a horizon
tally positioned nozzle at the end of an air tube,
one end of which is connected to a blower for
supplying airl under pressure, and the opposite
end of which extends to a point adjacent the tire.
and in which the nozzle is. positioned, and also
in which said air tube is oiïset providing- two
use of other means for connecting the ball or
sections the axes of which are parallel, and with
20 spherical casing ofthe nozzle mounting in order the axis of the section connected to the blower
to cause the air to pass around ina spherical above the axis of the section in which the nozzle
motion and thereby mix or break up the air as it is located; a ball-shaped casingpositioned at the
enters the nozzle, another may be in the use ot rear of the section in which the nozzle is located
other means for mounting the nozzle and elec
provided with an opening communicating with
25 trodes in combinationwith a spherical mixing said section, and also provided with an open->
chamber and still another may be in` the use of , ing in the upper side thereof communicating
other means for supplying air and fuel to said with the upper air supply tube section, the wall
chamber and device.
oi' said upper section of the said air tube ter
'I'he construction will be readily understood minating at a point corresponding with and
30 from the foregoing description. In use this
tangent on
to the
side adjacent
of the the
said nozzle,
device may be' provided as shown and described, Vcasing
and although the supply tube 5 may be posi
shaped to direct air currents passing through
tioned at any angle, it is preferred to locate said casing downward at the front and sides of
this tube directly- above the spherical chamber
35 I so’that the air passes directly downward into
the interior thereof, and it will be noted that
with .air supplied under pressure it will circu
late around the wall and, as hereinbefore stated,
passback through the incoming air so that a
40 very thorough mixing and breaking up of the
air is obtained.
said ball-shaped casing, and then outward
through the section in which the nozzle is placed,
the air passing around the inner surface of the
said ball-shaped casing, and passingl through the
current of air passing downward therein and
across the
of said
tube. opening from the
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