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Патент USA US3089450

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May 14, 1963
C. A. MORGAN
3,089,440
INGINERATOR
_
Filed Nov. 50, 1990-
2 sheets-sheet 1
CLAUDE A. MORGAN
BY
XM1/MMM ¿had «WM
14H-wigs
May 14, 1963
c. A. MORGAN
3,089,440
INCINERATOR
Filed NOV. 30, 1960
2 Sheets-Sheet 2
IN VEN TOR.
CLAUDE AMoReAN
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Unire Í" its
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Patented May 14, 1963
1
2
3,089,440
provided with an oval aperture 14 to which may be con
nected a smoke pipe or flue indicated at 16 in FIG. 3.
Clau-de A. Morgan, Huntington, Ind., assigner to The
Majestic Company, Inc., Huntington, Ind., a corpora
As may best be seen in FIG. l, the upper face of the
INCINERATQR
tion of Indiana
Filed Nov. 30, 1960, Ser. No. 72,713
2 Claims. (Cl. 11G-18)
This invention relates generally to smoke consuming
A charge-receiving opening in the casting 12 receives a
removable closure 17 provided with a knob or handle 18.
Casting 12 is provided with grooves or channels 19 which
extend across the face of the casting.
The base structure of the incinerator includes a circular
base plate 23 supported upon legs 24. The base plate 23
combustion apparatus and in particular to an incinerator
receives stove rods (not shown) whose upper ends are
for combustion of refuse in which smoke, odor bearing
vapors and ñy ash are consumed prior to their admission
to the incinerator flue.
In the operation of domestic incinerators of the type
referred to herein, the products of combustion of an
incinerator charge are carried to the flue by convection
air currents. It is highly desirable to design the incinera
tor so that the smoke, vapors and unburned particles
issuing from the charge and admitted to the incinerator
received within apertures formed in lugs (not shown)
carried by the top casting 12, the rods thus serving to tie
the two ends of the structure together. A plate 26 is sup
ported in spaced parallel relation to the plate 23 by means
of members 27. Mounted within an opening within the
plate 26 is a sliding grate 28 which may be manipulated
by means of a member 29 accessible at the front of the
incinerator as shown in FIGS. 1 and 3.
Extending vertically upwardly from the plate 26 is a
channel-shaped member 31 whose web portion 32 is
20 spaced from the rear refractory sidewall 11a as indi
In the apparatus of the present invention, this is accom
cated in FIG. 3. The channel-shaped member together
plished by providing an open ended member which acts as
with the sidewall 11a thus defines a vertically extending
a flame carrier tunnel through the charge. Flame ports in
final combustion chamber 33, the open upper end of the
`the sidewall of the tunnel member permit the flame to
directly contact the charge to ignite it, the heating of the 25 chamber 33 communicating with the aperture 14 and the
interior of the flue 16. The lower corners of the side
surfaces of the tunnel member by the flame also aiding
walls 34 of the channel-shaped member are diagonally
in igniting the charge. The open end of the tunnel extends
fiue be maintained at a minimum.
into a final combustion chamber formed by a channel
cut away as indicated at 3'6.
shaped element which extends throughout the height Of
web portion 32 of the channel-shaped member is provided
with an inverted, V-shaped aperture 37, a reinforcing
The lower margin of the
the incinerator along the rear portion of its curved wall. 30
member 3S extending across the aperture at its widest
Grill elements extend from each side of the web portion
of the channel-shaped member and with the web portion
point.
Welded or otherwise rigidly secured to the web portion
32 of the channel-shaped member is a plate 39 having an
cylinder configuration. The lower corners of the channel
shaped member are cut away to provide communication 35 outwardly offset upper margin or flange 41. The plate
39 is provided with an «aperture 42 which registers with
between the area rearwardly of the grill andthe ñnal corn
»the aperture 37 when the plate is secured in place on the
bustion chamber.
`channel-shaped member 32. Extending across t-he charge
The primary object of the present invention is to pro
receiving chamber 43 are two screens or grills 44 formed
vide an efficient, relatively simply fabricated incinerator
wherein smoke, odor bearing vapors and other solid prod 40 of any suitable material but shown fragmentarily in FIG.
2 as perforated sheets. The lower margin of the grills
ucts of combustion are consumed before their entry into
are retained by the flange 41 in the plate 39 and the grills
the incinerator flue.
A further object of the present invention is to provide
are further retained by brackets 46 carried by the web
an incinerator utilizing a channel-shaped member to pro
portion 32 of the channel-shaped member 31. It will be
vide a vertical ñnal combustion chamber adjacent Ithe
noted that the grills 44 together with the sidewall 11 and
charge-receiving chamber, the channel-shaped member
the outer face of the web portion 32 define the charge
having cut-away sections at its base to permit the entry of
receiving chamber 43 and provides it with a generally
air and products of combustion into the chamber.
truncated cylindrical configuration. The arrangement is
The full nature of the invention will be understood
such that unobstructed passages exist on each side of the
from the accompanying drawings and the following de 50 channel-shaped member 31, -that is, outboard of the sides
scription and the claims.
34 of the member 31, these passages communicating with
FÍG. l is a perspective view of an incinerator embody
the final combustion chamber 33 through the cut-away
ing the present invention.
areas in the base of the member 31.
FIG. 2 is a front sectional View of the incinerator of
Referring now particularly to FIGS. 3 and 5, the flame
FIG. 1.
55 carrier tunnel will be described. The tunnel -member is of
FIG. 3 is a side sectional view taken generally along
one-piece construction formed of cast iron or refractory
the line 3-3 of FIG. 2.
material. It comprises a header component 48 and an
FIG. 4 is a perspective, exploded view of two compo
inverted V-‘shaped channel 47. A `formed plate 45 extends
nents of the incinerator structure.
across lthe base of the channel 47 between the lugs or
FIG. 5 is a perspective view of the flame tunnel com 60 abutments 54 and 55 and aids in directing flame toward
ponent of the incinerator.
the open end of the channel 47. A burner tube 49 (FIGS.
Referring initially to FIGS. l, 2 and 3 the incinerator
l `and 3) introduces gas into the end of the carrier tube
includes an outer sealing jacket 10 which is circular in
where it is aerated and ignited. The primary aeration and
cross-sectional configuration and encloses the incinerator
ignition means together with the required safety shutdown
sidewall 11 which is formed of refractory material. Ex 65
control structure are not shown in detail herein since
tending from the rear sidewall of the incinerator is a
they are conventional and for-m no part of the present
fitting 15 which accommodates a conventional barometric
invention. A safety shutdown and control valve struc
check damper 15a which serves to limit the draft through
ture, indicated generally at 51 in FIGS. 1 and 3, serves tov
the final combustion chamber to be subsequently de
scribed. The upper end of the incinerator is closed by 70 control the flow of gas in conventional fashion through
the burner tube 49. The burner tube 49 extends through
means of a top casting 12, its down turned margins 13
define a charge-receiving chamber which has a truncated
serving to retain the jacket 16 in place. The casting 12 is
an aperture 22 in the jacket 1t?, the aperture 22 being sized
3,089,440
3
4
so as to admit air around the burner tube as indicated by
cinerator and disposed in a generally vertical plane, two
arrows in FIG. 3. Air enters the aperture 22 after moving
past the bracket 50. The air so admitted provides second
ary air for the burner »and provides an air supply for
combustion of the refuse charge 53.
CF1
spaced grills extending from the upper margin of said
plate and in substantially the same vertical plane to the
upper margin of said incinerator, a generally channel
shaped member extending to the upper margin of said
Each side face of the member 47 is provided with a
incinerator and disposed so that the outer face of its web
generally triangular port 52 which permits passage of
flame and air from the interior of the member 47 to the
exterior thereof for direct contact with the refuse charge
portion is adjacent said plate and the inner side margins
53 (FIG. 3). The tabs 52a, extending inwardly adjacent
the apertures 52 aid in directing iiame and air to the
of said grills, said plate, grills, refractory side wall and
outer face of said member defining a charge-receiving
chamber having a truncated cylindrical configuration,
whereby generally vertical gas passages are provided along
exterior of the member 47. The abutment 54 on membe
the outer face of the sides of said channel-shaped mem
47 defines the depth of insertion of the open end of the
member into the registering apertures 42 and 37 carried
by the plate 39 and the member 31. The assembled posi
tion of the member 47 is illustrated in FIG. 3 and it will
be noted that the member 38 provides a slight upward
tilt to the axis of the flame carrier tunnel member 47.
As will be apparent from FIG. 3 the open end of the
member 47 terminates along a line which is slightly in
clined from the vertical, the upper or apex margin of the
member 47 being somewhat shorter than the lower edge
margins thereof. The arrangement is such `as to permit
the free entry of liame into the base of the final combus
tion chamber 33 without overheating and causing de
terioration of the open end portion of the member 47.
As the flame is propagated through the carrier tube the
ber, said channel-shaped member defining with said re
fractory side wall a vertically extending combustion cham
ber communicating with the incinerator liuc, the lower
corner portions of said member being cut away to provide
communication ybetween said gas passages and said corn
bustion chamber, a flame carrier tube extending trans
versely through said charge-receiving chamber adjacent
its base for igniting refuse in said chamber, means for
introducing ñame into one end of said tube, the opposite
end of said tube being open to permit the exit of ñame
therefrom and extending through said channel-shaped
member into said combustion chamber, and means for
introducing combustion supporting air into said charge
receiving chamber whereby products of charge combus
tion and air are drawn by convection across Said grills
and into said vertical gas passages and travel downwardly
in said passages to enter the base of said combustion charn
the open end of the member 47 may be raised to incandes
cent temperature. The incinerator structure is completed 30 ber adjacent the open end of said flame carrier tube.
2. In an incinerator of the type having a generally
by an ash pan 61 which is supported on the plate 23.
tubular configuration with a refractory Side wall and a
In operation, with the chamber 43 charged with refuse,
flue for disposing of combustion gases, a plate extending
as indicated at 53 in FIG. 3, and with the gas burner
across the lower portion of the incinerator and disposed
ignited, fiame will proceed through the member 47 and
in a generally vertical plane, two spaced grills extending
will be deiiected through the ports 52 so as to ignite the
from the upper margin of said plate and in substantially
charge. Flame will be also directed into the lower `area
the
same vertical plane to the upper margin of said in
of the combustion chamber 33 as indicated in FIG. 3.
cinerator, a generally channel-shaped member extending
Air from supporting combustion will be drawn through
to the upper margin of said incinerator and disposed so
the port 22, as indicated by arrows in FIG. 3, and a por
40 that outer face of its web portion is adjacent said plate
tion of this air together with the smoke and other products
and grills, said plate, grills, refractory side walls and the
of combustion from the charge will be drawn through the
outer face of said member defining a charge-receiving
grills 44 and into the unobstructed passages formed at each
chamber, whereby generally vertical gas passages are pro
side of the member 31. This mixture of air :and products
vided
along the outer face of the sides of said channel
of combustion will be drawn by convection currents 45
shaped member, `said channel-shaped member defining
through the cut-away areas at the base of the member 31,
with said refractory side wall a vertically extending com
across the flame entering the base of the combustion
bustion chamber communicating with the incinerator tine,
chamber 33 and then upwardly through the combustion
the lower corner portions of said channel-shaped member
chamber 33 to the fiue 16. The general direction of this
ybeing cut away to provide the sole communication between
movement is indicated by arrows in FIG. 3. It should be 50 said gas passages and said combustion chamber, a flame
noted that the mixture of products of combustion »and air
carrier tube extending transversely through said charge
moving through the unobstructed side passages intersects
receiving chamber adjacent its base for igniting refuse in
’ the fiame issuing from the open end of the member 47
said chamber, means for introducing fiame into one end
before its passage upwardly through the final combustion
of said tube, the opposite end of said tube being open to
chamber 33 and to the flue. This intersection of the
permit the exit of flame therefrom and extending through
products of combustion with the iiame and the impinge
said channel-shaped member into said combustion cham
ment of the products of combustion on the incandescent
ber, and means for introducing combustion supporting
rear `wall 11a of the tinal combustion chamber insures
air into said charge-receiving chamber, whereby products
that complete combustion of the material occurs. Odor
of charge combustion and air are drawn by convection
bearing vapors, smoke and carbon particles are substantial 60 across said grills and into said vertical gas passages and
ly completely consumed so that the smoke content of the
travel downwardly in said passages to enter the base of
gases passing to the flue 16 is at a minimum.
said combustion chamber adjacent the open end of said
While the invention has been disclosed yand described
flame carrier tube.
in some detail in the drawings and foregoing description,
References Cited in the file of this patent
they are to be considered as illustrative and not restric
tive in character, as other modifications may readily sug
UNITED STATES PATENTS
gest themselves to persons skilled in this art and within
2,010,460
McKinely _____________ __ Aug. 6, 1935
the broad scope of the invention, reference being had to
2,847,951
Triggs _______________ __ Aug. 19, 1958
portion of the refractory wall 11a `adjacent and just above
the appended claims.
What is claimed is:
70
1. In an incinerator of the type having a generally
2,859,716
2,929,342
Slaughter ____________ __ Nov. 11, 1958
Young ______________ __ Mar. 22, 1960
591,150
597,086
Canada _____________ __ Jan. 19, 1960
Canada _____________ __ Apr. 26, 1960
FOREIGN PATENTS
hollow cylindrical configuration with a refractory side
wall and a fiue for disposing of combustion gases, a plate
extending chordally across the lower portion of the ín
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