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Патент USA US2109876

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March 1, 1938.
D.’ R. BARD
2,109,76
WARM AIR FURNACE
Filed April 1, 1957
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Méu-Vch 1,1938.
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D. ‘R. BA‘RD
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Filed April l,- 1937
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March ‘ 1, 1938.
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D. R: BARD
2,109,876
WARM AIR FURNACE
Filed April 1, 1937
3_Sheets-Sheet 3
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2,109,876
Ami-‘memos
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- Dale E. BMW, Bryon, @hio
Application ems ll, new, Serial No. access
to E
(cl. res-41c)
Tl'lis lglvention relates to worm sir furnaces
but more particularly to furnaces which employ
mechanical heating devices such as oil burners
for generating the heat and an object is to pro
time a new and improved furnace of this chor
ecter which can be inexpensively manufactured,
may be readily assembled, is compact in arrange
ment and emciently heats s comparatively large
volume of air.
‘
Anotherobject is to produces. warm air fur
hoce in which the blower and heating device ore
arranged in superposed relation laterally of the
radiator in a neat and compact manner at one
end portion of the furnace, such that the air
is forced. by the blower into the-lower end of the
radletcr who. is heated during its upward trevel.
platform it, and directly therebenesth on oil
burner it. The blower it, which preferably
consists of a squirrel‘ cage type fen driven by on
electric motor it, draws in cold air through
an opening ill in the top'of the shell or we I 5
it through ?lters lit ‘of glass wool or‘other suit~ '
able material and forces the stream oi’ sir into’
e. downwardly rclisposec conduit it which is lusts»
posed to the partition ll.
‘
The conduit it is some into two sections by
means oi’ a, partition member 2t which extends
from one side of the conduit to the other see.
The front end of the partition
is opened end
the resr end. is closeol except for on opening ?ll
through/which the nomle' oi the oil homer it
etztencis; the opening ill leading ?irectlw into the
Ulther objects and advantages oi’ the invention combustion chemloer. its shows is
‘l, the
will hereinafter appear and for purposes of illus
lower one! of thecono'uit inclines team's-wally so
trction but not of llmitstion, on embodiment is
shown on the occomwsnylnc drawings in which
Figure l is s side elevation of the i’urnooe with
o. portiorl oi’ the shell or outer cosine hrolren
cwsy to show the construction
one} encasement '
of the ports;
25
Fig. 2 is s trcnst'erse sectional elevation sch»
stsrltislly on. the line 3-»?! ct lite. .‘i;
thst
sir is directed‘. lots the lower earl of the
interior of the rest compartment. $535? tiiwit’iimz
the air into the two streams, more e?cieltt Priest“
lng thereof
clue
to the compact
is obtained.
arrangement
It will he epic-erect
oi’ the mower
and humor, the size of the insttlllctiolz is matte
reeluceci
rlelly retlucecl-sncl
to a minimum.
theorist tlrlereot’ is
Fig. 3 is e ‘vertical sectionelelevotlon scheme
.V 'tisily on thelloe til-53 oi"
‘l;
vFig. t is so cool elevctiorl oi" the furnace with
The irorlt encl of the shell
is
its" to
zlcrlelv t2 hovimg louvres
lo the lower wortlow
is torcecl into the reclletor chamber;
it is o transverse sectional elevation twitch
through the upper enrl portion of the resistor
Disposed in the resrwei-el comrlortmetlt of the
cosine,’ it ere‘ the malls-tor who combustion chose;
her structures. its shows is. Figure
lees .tél
suowort c clsltl‘orm
on which the ?re hrlcle.
structure tt ls scpoortecl. Rising from the slotform 2t ore tour side wells 2?! of the rctiiotce‘
cool to the upper emls of the wells is connected
the too well. lit.- Fol'merl to oppcseil sitle wellsv
cool this panel may he removed to c?’orcl tweets‘
some of the ports ‘oi-cites owes] to show the men“ _ to the blower cool burner structures.
not in which the oil burner is mo'lmteo sml the imtlerstoocl that my swite‘ole time of oil
It will
homer
manner in ‘which the air stream is divided as it til oi the pressure type my toe employed.
'
structure showing‘ by arrows the trcvel of’ the
products of combustion;
Fig. t is c vertical. sectional elevstioh substan
tisllw on the line t--t of Flo. i showlnw the he?e
adjacent the smoke pipe;
‘
l
‘ Fig. 7 is e. transverse section sulostchtlolly on
2‘?! ere s series of upwardly who inwsrcllw iocllhieol .
the line ll-l oi Fig. 8 looking upwer?y into the open-entice tubes 2% which are stilcstswtlolly rec“
inclined tches sml showing the, some piste in _ tcnscler or soucreiii crose section. The mower
position, who.
'
ehtis oi” tithes it; there. holes three on owwosiw
Flo. 8 lo en enlarged trscmeritorw werticcl sec» sweeter-militate
close to etch other, steel we shows
tioncl View. substantially on the line tL-t of lite. t.
in Figure 3, incline towertl each other. The‘
lower portioc of catch ol' the tubes ‘it extends‘
comprises e. worm sir ‘furnace hairless}: outer outwardly beyond the adjacent side well ill‘ cool
‘cosine; or shell it which is of shat motel cool "terminotes dlccoholly with respect to the citte
45
The illustrated-embodiment oiF the invention
is rectshsulorin shape. The shell is divir'leti into
two vcompostmerits by means of o-tertlcolly dis
posed partition M. In one compartment are dis
WHERE;
‘ '
‘
Connected to the projecting lower portions of
Eli
- the tubes 2t and Joined to each set of three tubes
pos'eslthe combustion chamber and radiator til I‘ on that mule is s de?ector or-loeme plate ?t which
audio the other compartment‘ are disposed o curves outwsrcily sod downwardly. the lower oor~
blower lt which is‘
‘on o horiwcntsl
tlorl thereof below suhstcwtlelly worsllel to the M
2
2,109,876
adjacent side wall of the shell I0 and being spaced
a slight distance therefrom.
This de?ects the
major. portion of the air into the tubes to but
allows some of the air to‘ pass outside of the
tubes and belieated by contact with the side walls
21 and associated parts. _The heated air passes
up’wardly within the shell ill and through an
opening 32 from which may radiate the ducts
leading to the various rooms in the building. In
this manner, a simple‘ and comparatively inex
pensive structure is produced but one which eih- ‘
ciently imparts heat to a very large volume of air
introduced to the rear compartment of the shell.
As shown in Figure 5, the tubes 29 on each side
are spaced from each other and the outer tubes
are spmed from the adjacentwells El. This
enables the products of combustion inside the
radiator to pass upwardly within the combustion
chamber C between the tubes and to contact with
each side of the tubes over the major portion
thereof. Extending reerwardly from the upper
end of the combustion chamber housing is a
pipe ill which may lead to the ususl smoke stack,
providing an exhaust passage for the products of
combustion. The arrows on Fig. 5 show the
travel oi the gases within the upper portion of
the combustion chamber and indicate how the
heating oi’ the tubes is accomplished.
To insure. that the heated gases or products of
38 combustion do not pass directly to the smoke
to clean out that pocket, the baffle plate 3; may
be inclined upwardly and rearwardly and thus
be removed-access being had thereto through the
clean-out opening 39.
It is to be understood that numerous changes
in details of construction, arrangement and op
eration may be effected without departing from
the spirit of the invention especially as de?ned
in the appended claims.
10
What i claim is:
l. A warm air furnace comprising a. shell, a.
partition dividing said shell into inner and outer
portions, a combustion housing within the inner
portion of said shell, means providing a conduit
leading from the upper to the lower portion oi’
said shell for admitting cold air, a platform di
viding said outer portion of said shell adjacent
the conduit into upper and lower compartments,
a blower ‘in the upper compartment on said plat
form for forcing air into said conduit, an oil 26
burner in the lower compartment, and means pro
viding an opening for the oil burner nozzle
through said conduit.
2. A warm air furnace comprising a shell, a
partition dividing said shell into two chambers,
a fuel burning device and a‘ blower disposed in
one chamber and arranged in vertically spaced
relation one above the other, a cold air duct Jun
teposed to said partition and leading downwardly
from said blower to the lower portion of the sec
pipe 3i, but to cause the some to more nearly ond chamber, a. radiator in said second chamber,
follow the path indicated by the arrows on Fig. 5 -_ and means in said duct for dividing the air stream
so that the gases pass around the major area and also affording connection of said fuel burn
of the individual dues or tubes 23, a bailie plate ing device with the interior of said radiator.
3. Awcrm air furnace, as claimed in claim 1, 35
~ 33, substantially triangular in shape fits in be
tween the rearxnost pair of tubes es. ’ The basic
wherein the opening providing means is disposed ‘
plate 33 has its lower end resting against a brack
at M and isprovlded with a combined handle
and reinforcing piece it on its under side. The
in the conduit in such manner as to separate
40 upper end oi.’ the baille 3% bears against a bar til
which is spaced a short distance beneath the top
-wall of the radiator. Since the ba?le 33 is di-»
rectly in front oi‘the smoke pipe 3i and comrs
the space between the rearmost pair of tubes 25,
45 the gases and other products of combustion must
pass upwardly over the battle plate 23 or in rear
oi the upper portions of the tubes 1'5 as will read
iiy be apparent.
‘
As best shown in Fig. '7, the space on each side
of the *lower end or the plate 93, adjacent the
lower end thereof, is closed in any suitable man;
nor by s ?ller piece 31 leaving a relatively small
opening 38 at each end so that soot and the like
will drop through the opening 58 into the com
55 bustion chamber. In use, the chamber, divided
by the baille plate 33 and the rear wail of the
radiator it, may receive soot, etc. and in order
the air passing therethrough into a plurality of
streams.
‘
4. A warm air furnace, as claimed in claim 1, 40
wherein the opening through the cold air conduit
is bounded by inclined sides so ‘disposed as to
divide the air into two streams. '
5. A warm air furnace comprising a. shell, a
partition dividing said shell into two chambers,
a fuel burning device and a blower disposed in
one chamber and arranged in vertically spaced ‘
relation one above the other, a platform for
supporting said blower, a radiator in said second
chamber. a cold air duct juxtaposed to said par 50
tition and leading from said blower to the lower
end of said radiator, and means in said duct
providing an opening to said radiator and sealed
from the interior of said duct to enable a portion
of said fuel burning device to extend into said 55
radiator.
/
V
DALE R. BARD.
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