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Sept. 10, 1946.
s. s. VINEBERG
2,407,590
HEATING APPARATUS
‘
Filed Jan. 23; 1943
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INVENTOI?
' Sept. 10, I946. _
s; s, WNEQERG
'
2,407,590
HEATING APPARATUS
Filed Jan. 23, 1943
3 Sheets-Sheet 2
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Sept- .10, 1946.
s. s. YiNEBERG
2,407,590
HEATING APPARATUS
Filed Jan. 23, 1943
3 Sheets-Sheet 3_
_
ATTORNEYJ
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Patented Sept. 10, 1946
'
2,407,590
barren STATES PATENT OFFICE
2,407,590
HEATING APPARATUS
Samuel S. Vineberg, Buffalo, N. Y.
Application January 23, 1943, Serial No. 473,350
6 Claims. (Cl. 126-140)
1
.
2
This invention relates to heating apparatus for
houses, and has for one object to provide a de
sirable, efficient and economical heater in which
_ wood or other fuel can be burned in an open ?re,
as in an ordinary open ?replace, but which obvi
ates the necessity for the usual expensive, built
in masonry ?replace and chimney.
Other objects of the invention are to produce
Ch
With the above and other objects and advan
tages in view, which will hereinafter appear, pre
ferred embodiments of my invention, disclosed
in the accompanying drawings, are hereinafter
described and the novel features of the invention
are set forth in the appended claims.
In said drawings:
Fig. 1 is a front elevation, partly in vertical
?re can be built and operated and which is 10 section, of a heater embodying my invention.
Fig. 2 is a sectional plan view thereof, taken
equipped with safety means that automatically
approximately on the line 2-2, Fig. 1.
close in the ?re and provide for smoke removal
Fig. 3 is a fragmentary, transverse, vertical
upon failure or reduction of the draft below a
a heater with an open front in which an open
normal operating condition, to prevent smoking
section of the heater, on line 3-3, Fig. 8, show
or the escape of products of combustion into the 15 ing the means for releasably holding the front
gate or shutter for the ?replace in different open
house; which is provided with a smoke pipe of
positions.
small dimensions in which a forced draft for
Fig. 4 is a fragmentary, sectional elevation
the ?re is created, whereby the apparatus can
showing an alternative arrangement of the
be installed and operated at moderate expense
smoke discharge ?ue or pipe.
in a house that is not equipped with a chimney, 20
Fig. 5 is a fragmentary, sectional plan View on
such as ordinarily required for an open ?replace;
line 5-5,v Fig. 1, showing the cold air intake.
which is adapted for use against an inner parti
Fig. 6 is a central vertical section of the heater
tion wall or other wall of a house where there is
on line 6-6, Fig. 1.
no chimney ?ue; which is provided with safety
Fig. 7 is a vertical sectional elevation on line
means which will automatically check the ?re if
7-1, Fig. 8.
too hot, and prevent the escape of smoke into 25
Fig. 3 is a fragmentary sectional plan View on
the house, whereby the ?re can be safely left
line 8-8, Fig. 7.
i
burning without the presence of anyone in the
Fig.
9
is
a
fragmentary
vertical sectional ele
house to attend the ?re and the ?re hazard of
vation on line 9-9, Fig. 8, showing the gate or
many ?replaces is eliminated; which is provided
shutter in open position.
with a smoke pipe having main and safety
Fig. 10 is a diagram of the electrical control
branches and means whereby, in the normal op
means for the heater.
eration of the heater, a forced draft is created
Fig. 11 is an enlarged fragmentary section
in the main branch pipe, whereas upon failure in
the normal operation of the forced draft, the 35 showing in full lines the gate-holding means in '
holding position, and in dotted lines the position
open front of the heater is closed and the safety
of the parts when the gate is released.
branch pipe is opened for the escape of the prod
Fig. 12 is a fragmentary, vertical section of
ucts of combustion and the heater is prevented
the lower portion of the gate showing means for
from smoking; also to provide a portable ?re
urging the gate in a downward or closing direc
place which can be installed in any desired place
tion when released.
in a house and affords the pleasures of an open
The heater comprises an outer metal casing
wood ?re burning in the usual open ?replace;
l0 and a metal ?re box or chamber ll which is
which simulates and operates like the usual open
rranged within the outer casing with the side
?replace; which can be closed and operated like
a stove; which can be adapted to ?t in and oper 45 walls [2, back wall I3, top wall l4, and preferably
'also the bottom. wall [5 of the ?rebox spaced in
ate in an ordinary ?replace opening; which is
’wardly from the corresponding walls of the outer
designed to draw cold air from the room and
casing so as to provide an air space iii within the
heat it and return the heated air into the room
outer casing between the walls thereof and the
or house; which can be utilized in conjunction‘
with an existing ?replace to improve its heating 50 walls of the ?re box. The ?re box has an open
front or large front opening I‘! through which
. efficiency and prevent its smoking due to faulty
air is admitted to support combustion of the wood
?replace or flue design; and which reduces ?rst
or other fuel which may be placed through the
cost of installation in new or old houses, and en
opening for burning in the ?re box. A smoke pipe
sures economical and satisfactory operation re
or fine connects with the ?re box preferably by
gardless of the height of the house chimney.
55
means of a funnel-like mouth portion I81 which
'
2,407,590‘
has a relatively long, narrow inlet opening that
extends across the width of the fire box and opens
thereinto at its top front portion, said mouth
portion tapering to its junction with the smoke
pipe. As shown, this smoke pipe is located in p
the air space l?'within the outer casing l8 and
is interrupted by or has interposed between por- '
tions it, Isa. thereof (herein designated respec
4
the ?re box into the house when the safety
branch smoke ?ue is opened‘ and the draft fan
motor fails or the fan is not driven at a suffi
cient speed to create the necessary forced draft
for a normal operation of the heater. As illus
trated in the drawings, this gate is composed of a
plurality of narrow leaves or sections 3| suitably
hinged to each other to fold into a zig-zag or
pieatedformation for opening the gate and to
tively as inlet and suction portions), a condenser
slide vertically in extended form’ in’ suitable
or heat exchanger. Zitwhich may be of any suit 10 guides 32 at opposite sides of the front opening
able construction adapted to effect exchange of
oh the heater for closing said opening. The
heat between air circulated through the air space‘
guides 32 connect at their upper ends with a
It and the products of combustion passing
through the smoke pipe. The smoke condenser‘
shown comprises a box or chamber. which con
meets at opposite sides with the inlet‘and suc
tion sections l9, tad of the ‘smokepipe'ancl has a'
plurality of open-ended air tubes 2| extending
chamber. 33 which permits the folding or col
lapsing. of the leaves of the gate when the lower
end of the gate is raised to open or uncover the
frontier the heater.‘ The upper end or leaf of
the gate is hingedly fastened as at 3G in the gate
chambertii. Jonrnalled. or rotatably mounted on ,
therethrough from top to bottom for the passage
the bottom leaf or lower end portion of the gate
of air from the air space it upwardly through 20 is a Sha-ft'SWOH the oppositeends of which‘ are
the~tubes, so that the products of combustion will
?xed = gear‘ pinifonsv 35"." arranged to meshi'rwith
pass around the tubes 2i ‘and there will be an ex
toothed (cracks 3? stationarilyi arranged» adjacent \
change of heat between the air and the products
of combustion with the result of cooling» and con
" densingthe latter and heating the air.
The smoke pipe sectionv Ida leads from the
outlet side of the condenser to the suction inlet
of ‘a- fan or bloweri23 which is driven by a motor
the vgateLguides-at the opposite sides of‘ thel‘op‘en
front i of ‘i the heater so that when‘ the gateis
opened ,or closed‘, the rolling of the apinions-rorr
the toothed rack'sriwill iequalize theltravel ‘of op"
p'osit'e. sides of the gate: and? prevent possible
jamming‘ of the gate" in‘the-guides; Preferably
through the pipe anddischarging the smoke or 30 a coil spring 38 surrounds the'shaft‘35 and'is‘cone >
nected at one end to theshaftland at the other ‘Y
products of combustion through a discharge sec
end to theibottomi leaf 10f ‘the; gate}. see'lFigl 12,~
tion 2110f the pipe, which» may be disposed in any
in suchv a manner that when-‘the gate‘lis opened,
suitablelmanner'to- discharge the smoke out-of
or its lower end raised manual'lyythe spring; will '
doors; Forainstance; this discharge section as
be wound ‘up and>~wi11 act by its unwinding-or»
shown in Figs. 1 and ,6, could lead'to a safety 1 spring action‘ to rotate the‘shftft 'andrpinions’lin
section, pipe or ?ue 25, which ascends from its;
a-direction to close the'gate, the spring-‘actuated
connection with-the main smoke discharge pipe
shaft and pinions thusacting ~.to'positive1y>move'i
24iand enters agchimney fine, or may lead out
the gatefin'theiclosing direction.
of-doors through anyconvenienteouter wall of
' The‘gate is held open, or up against the action
the house; or, as shown in ‘Fig. 4, the discharge
of gravity-or of itsclosingspringSB‘byaholding 1
pipes“ v‘can be arranged to'pass throughthe cellar
device which} as shown, consists of a toothedra'ck-~
to a distantly located house chimney or other
sew-men‘ ismovably mounted
theca'sing at one '
outlet and to discharge the smoke'ior gases out
side ‘of’ the gate,- as by pivots 46 at its opposite -~
of doors independently of ‘or without connection g 5, ends ‘entering’v suitable "bearings on *the casing,
with the safety ?ue 25.
wherebyithe movablemack dais-adapted to be"
Themain smoke pipe and safety branchlpipe
rocked to engage oneloranother ‘of its teeth with i
are controlled by suitable damperi or -‘ closure
an adjacenteendirof-i-thei pinion shaft 35." The
means adapted to close thesafety branch ZEland
gate ‘is thus adapted to be held- in! di?erent-adl
open-‘the main‘ suction branch [9a leading to
justments to more'or'lessiiincover the-open-frontL
the fan, or to close the latter ‘and open'the safety
of the‘heater by raising-or loweringi'the gateito '
branch.~ In the construction shown for this pur
the desired position and then shiftingithe toothed‘
pose, butter-fly dampers 2v37and- 2'l3are provided
rack13§into engagement withlthe-shaft 353- The
in themain and safety branches of the smoke
gate ‘is released \to- cause it- to drop-'10!‘ close‘ by"v
pip'eand may be operated by electrical means
shifting- the - rack: 39 -to"disengage" 'it- fromwthe
under the ccntrolof 'thespeed of the fan motor,‘
shaft; The ~movable~-rack1' is! provided with = an“L
for creating-erforced draft from the ?re box
as hereinafter described, so that in normal oper
ation of the heater, the safety branch 25 will be
closed by the damper‘Z'I and the main suction
branch opened by the damper 2?‘, so that the
smoke or products of combustion willbe drawn
by the fan through the main suction pipe i961,
and discharged out of doors through discharge
pipe 24.’ Whereasupon failure of the fan mo
tor, or its operation at less than a predeter
mined minimum speed, the damper 25 will be
closed to shut off the pipe to the suction fan, and
the damper 27 opened to connect the safety
branch pipe or ?ue with the suction branch Gila,
for the escape of the smoke through the safety
smoke branch 25.
The heater is, also provided with a movable
gate or shutter 38 which is operated automati
cally, as later described, to close the open front
or. draftivopening of the heater for preventing ‘
escape of smoke vor ‘products o-f-combustion from
operating-‘handle or - rod‘ 142 swhich ~eiitends'~'-out '
throughla-lhole-inlthe-ifr‘ont of the heater‘ casing’
and-is attached at its inner-end‘to anlarmeon'the
racki39§isovthat the-handle‘canbe operated-man?"v
uanyror shifting ‘the irackftoengag'e "and disené
gage‘ the shaft - 35 "-for holding eor‘ releasing :the"
gate§as~emay beidesiredw
V
V
Automatics-means are‘ also providedlwhichijact
, during normal operationof the jheatertojretain ‘
thefgate holding ‘device "or ‘ rack ‘ in‘ “position .to.'
hold ‘ the gate- open‘ and which‘ act automatically ii
uponaifailure of-thejfan motor,,or‘ a‘reductionjr
in- thejspeed of the‘jjfan below 'a“predet'ermined
' minimum speed, to shift the" holding ‘ device'lto' "
release the 'gateyto permit it to close. The auto
matic means‘ asishown" comprise‘ a"solenoid"or‘f
electromagnetic ‘device; 44;‘ the ‘movable core ' of ‘
which“ is Hoperatively connected to .an‘ arm‘, ‘45*.‘01’1'
‘the movablara'ck ‘39 so that"wheh'thd'soleiiéid“
$2,407,590
is energized, the rack will be held in position to
6
66 indicates a safety signal lamp or device which
hold the gate open, and when the solenoid is de
is connected by a conductor 61 with a contact 68
energized, a spring 46 acting on an extension of
of the thermostatic switch 64 and by a conductor
the movable core or element of the solenoid will
69 with the conductor 60 leading to the speed
shift said element and the rack 39 out of engage U! governor switch 41. The circuit of this signal
ment with the pinion shaft 35 to release and per
lamp will ‘be maintained open and the lamp
mit the closing of the gate. The electric device
extinguished when the speed governor switch 41
44 may be connected as hereinafter described, in
is closed’ and-the solenoids 44 and 50 are ener
circuit with a controlling switch 41 actuated by
gized, that is during normal operation of the
a speed governor 48, diagrammatically illustrated 10 ‘heater, and during normal travel of the movable
in Fig. 10, which is driven by the fan motor 55.
armrof the thermostatic switch throughout a de
This governor and switch are arranged so that
sired range of temperature. If, however, the tem
when the fan motor is'operating at a desired or
perature of the heater rises above a safe maxi
normal speed, the governor will hold the switch
mum, the abnormal movement of the movable
closed to energize the solenoid, which then acts 15 arm of the thermostatic switch 64 will connect
to hold the gate open, whereas upon failure of the
the contact ‘68 with the conductor 65 and con
fan motor, or reduction in the speed of the fan
nect the signal lamp across the transformer sec
below the predetermined minimum speed, the
ondary through the conductors 65 and 69, thus
lighting the lamp-and indicating the dangerous
governor will open the switch and thereby de
energize the solenoid, whereupon the spring 46
high temperature of the heater. At the same
will actuate the holding device to release the gate,
time this operation of thethermostatic switch 64
which will be closed by its spring 38.
will break the circuit through the solenoid 44 and
permit the spring 46 thereof to operate the gate
> The damper control means for the safety smoke
?ue may be operated, like the control or holding
holding rack 39 to cause the closing of the safety
gate 30, thereby'preventing danger from over
device for the safety front gate, by an electro
magnetic device or solenoid 50, the core or mov
able member 5! of which may be connected with
the dampers 26 and 27 by suitable lever and link
mechanism 52, 53, constructed so as to close the
heating by the heater.
39 to release the gate and permit it to close;
and spring 54 of the solenoid 50 will actuate
the damper mechanism to close the smoke suc
>
tion pipe lea and open the safety smoke ?ue 25. 75
necessity for the heavy installation expense for
the ordinary open ?replace. Because of the pro
The heater is also provided with, an air circu
lating fan or blower 10 which is preferably driven
by the driving motor 55 for the forced draft fan.
damper 21 of the safety smoke ?ue 25 and open 30 This fan may be, as shown, connected with the
the damper 26 and the suction pipe [So when the
motor shaft 56 at the opposite side of the motor
solenoid is energized, as indicated by the position
55 from the forced draft fan, and the fan is ar
ranged to draw air through an air inlet opening
of the parts in Fig. 10. When the solenoid is de
energized, a suitable spring 54 acting on the sole
ll in the front of the heater and through an air
space beneath the ?re box and discharge the air
noid core 5i will, through the lever and link
into the air space lb of the heater, whereby the
mechanism, reverse the position of the dampers,
air is heated by passing over the heated walls of
to close the suction pipe I9a and open the safety
the the box. The pressure of the heated air in
branch 25 for the escape of the smoke or prod
the air space 16 forces the air through the tubes
ucts of combustion by natural draft through the
of the heat exchanger 20 and through suitable
safety ?ue or pipe.
‘
outlet openings 13, which may be arranged in
Fig. 10 illustrates diagrammatically suitable
the upper side portions of the heater casing to
electrical connections for operating the solenoids
deliver the heated air into the room. The ar
44 and 50 which control the safety front gate and
rangement of the motor and air circulating fan
the smoke pipe damper means. Referring to Fig.
10, 55 represents the electric motor for driving 45 is such that the cool air drawn in from the ad
jacent ?oor of the room is passed over the motor,
the draft fan 23. The speed governor 48 for ac
thus serving to keep the motor cool. Preferably,
tuating the control switch 41 may be connected
the motor and fans are enclosed within a cham
to and actuated by the motor shaft 55. 51 indi
ber or housing 74 which may be separated by an
' cates a transformer which is connected across the
air space from the fire box and provided with
main line conductors LL’ for the fan motor. One
walls of heat and sound insulating construction
side of the secondary 58 of this transformer is
adapted to deaden the noise of operation of the
connected by conductor 59, switch 41, conductor
motor and fans.
60 to the solenoid 50 which is connected by con
In the heater as illustrated in Fig. l, a false
ductor 5| to. the other side of the transformer
mantel or covering shell is provided comprising
secondary, and the other solenoid 44 is connected
upper and lower sections 15, 16, which may be
across the transformer secondary by a conductor
shaped and ornamented to simulate a built-in
62 branchingifrom conductor 50, the winding of
?replace and chimney, thus giving the heater
solenoid 44, conductor 63, a thermostatic switch
the appearance of an ordinary ?replace and
64, conductor 65 and conductor 6|. Thus, when
chimney. The upper section 16 of the shell is
the governor switch 4'! and thermostatic switch
preferably arranged so that it can be adjusted
64 are closed, as shown in Fig. 10, that is, while
upwardly or downwardly over the casing Ill of
the heater is operating normally under forced
the heater through an opening in the top or man-‘
draft, or normal speed of the suction fan, the
tel shelf of the lower section 15 of the shell so as
two solenoids will be energized and the safety
to thus adapt the shell to different ceiling heights.
front gate 36 will be held open and the safety
By reason of the hereinbefore described con
smoke ?ue 25 closed. However, upon failure of
the electric current or reduction of speed of the
struction and operation of the heater, it will be
fan motor below the predetermined minimum,
understood that the device can be operated with
the speed governor 48 will open the switch 41
‘ safety as an open ?replace and afford the pleas
and the solenoids will be deenergized, whereby 0 ures of an open ?re without the accompanying
spring 45 of solenoid 44 will rock holding rack
?re hazards so often involved, and without the
visions for a forced draft and the heat exchanger
which acts to cool or condense the smoke, the
2,407,590
7
8
smoke pipes can beof small diameter, Pipes of
posite edges of said sate, a shaft roiaiably
a
mounted on said gate having pinions ?xed thereto
not over approximately four inches in diameter
being suf?cient to maintain a ?re for ample heat
ing. These factors adapt the heater for use in
locations distant-from the house chimney or
without the necessity for the usual masonry
and meshing with said racks, a spring arrangedgto
rotate said shaft and pinions in a direction for
moving said gate from anopen to a closed posi
tion, an upright shiftable toothed rack,‘ and
means for shifting said rack to engage and dis
engage di?erent teeth thereof with a part on
chimney. If the operating motor for the forced
draft fan should fail for any reason, such as the
failure of the electric current, to produce the
and movable with said gate for holding the gate
draft necessary to properly maintain the ?re, the ,
inv diiferentmore or less open positions and for
safety front gate will be automatically closed and
releasing said gateto allow the gate to close.
4. A movable closure gate ‘for an openlfront
heater and control Vmechanism for said’ gate
comprising, guides atvopposite edges of said gate
the safety smoke ?ue opened 50 as to provide for
the discharge of smoke out of doors by natural
draft, and prevent its escape into the house. On
the other hand, danger from overheating is pre
in which said gate is movable for closing said
front, stationary toothed racks extending length
vented by the closing of the front gate and, there
by, the checking of the ?re under the control of
wise in said guides, a shaft rotatably mounted‘on
said gateand having pinions ?xed thereto and
meshing with said racks, a springlarrnngedto
rotatesaid , shaft ‘and pinions in adirectionto
the thermostatic switch. The heater can be made
of a size and form adapting it to beused in an
ordinary ?replace and ensure proper operation of
the ?re without smoking in a ?replace which
close said gate; a shiftable toothed rack extend
ing lengthwise adjacent one of saidlguides, means
for shifting saidrack to engage said shaft'in
different more orless, open positions of said. gate
for holding thezgate from, closing, and means for
shifting said rack to disengage said shaft for
releasing said gatefor closing.
may not function properly becauserof faulty de
signof the same or its chimney. Furthermore,
the front gate can be more or less closed and the
heater used-as a stove and the ?re regulated by
appropriate adjustments of the front gate.
I claim as my invention:
1. A movable closure gate for an open-front
heater and control mechanism for said gate com
prising stationary upright toothed racks at op
posite edges of said gate, a shaft rotatably mount
5. A movable closure, gate for anopen-front
30
heater and control mechanism for said gate com
priSingLa toothed rack which is arranged length
wise in the direction of movementof said gate
ed, on said gate and having pinions ?xed thereto
and meshing with said racks, an upright toothed
and is shiftablle for engaging different teeth
thereof with apart connected to and movable
with said gate for holding the gate in different
rack which is shiftable for engaging one or an
other of its teeth with a part on and movable
more or less vopen positions,_actuating means
with said gate for holding said gate in diiferent
for shifting said rackinto and out of holding
engagement with said part forholding andre
leasing the gate, and means'for closing said gate
more or less open positions, and actuating means
for moving said shiftable rack into and out of
engagement with said part on the gate for hold
when__released.
ing and releasing the gate.
'
1
6. A portable ?re place comprising a?re box
2. A movable closure gate for an open-front
heater and control mechanism for said gate com
havingan open front, and a smoke flue leading
prising, stationary upright toothed racks at op
posite edges of said gate, a shaft rotatably
mounted on said gate having pinions ?xed thereto .
and meshing with said racks, a spring arranged
openfront, a, devicegwhichnorma-lly releasably
holdsvsaid gate open in opposition to force tend
from the ?re box, a movable gate for closing said
45
ing to close the gate, a motor and a fan driven
thereby for creating a forced draft through said
to rotate said shaft and pinions in a direction
smoke ?ue,,a safety smoke ?ue communicating
for moving said gate toward a closed position,
with said ?re box, ,adamper normally closing
a holding device engageable With a part attached
said safety flue, and means controlled by the '
to and movable with said gate in different posi—, -; speedof ‘said motor which retain said holding
tions of the gate to hold the gate in said differ
device in gate-holding position during normal
ent positions against the closing action of said
speed of the motor and which operate in response
spring, and means for actuating said holding
to _a predetermined reduction in thespeed of said
device to release said gate and allow it to close.
motor to actuate said holding device to release
3. A movable closure gate for an open-front;
saidgateand allow it to close, and also to actu
ate said damper to open saidsafety smoke ?ne.
heater and control mechanism for said gate com‘
prising, stationary upright toothed racks at or)
'
SAMUEL S. VINEBERG.
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