USRE14309E - fulton - Google Patents

Description

, w. M. FULTON. BADIA-TOR CASING.

FILED NOV. 24

I Bissued June 5, 1917.

EEEEEEEEEEEEE I.

W. M. FULTONl RADIATOR CASING. r N 1.24

PPLIC l l 16. Reissued June 5, 1917. y 14,309.

. Y EEEEEEEEEEEEEE \llllllll y mmm? l UNITED STATES PATENT oEEIcE.

WESTON M. FULTON, KNOXVILLE, TENNESSEE, ASSIGN TO THE FULTON COMPANY,

0F KNOXVILLE, TENNESSEE, A CORPORATION OF MAINE.

RADIATOR-CASH' G.

Specication of Reissued Letters Patent.

Original No. 1,192,411, dated .Tuly 25, 1916, Serial No. 859,060, filed August 28, 1914. Application for reissue led November 24, 1916. Serial No.

To all whom t may concern.'

Be it known'that I, WEs'ToN M. FULTON,

a citizen of the United States of America,

and a resident of Knoxville, Tennessee, have invented. a new and useful Improvement in Radiator-Casings, which invention is fully set forth in thefollowing specilication. Y

This invention relates to devices 'for controlling -a sourcelof heat such, for example, as a radiator; and more particularly to devices of this class in which a thermosensitiye means, subject to 'room-temperature, is used for automatically operating dampers for controlling the'flow of heated air'through a radiator jacket.

The invention has for its object to provide a device of the type indicated in which the thermosensitive element shall be free lfrom sudden changes of temperature, such las may arise from accidental cold drafts from open windows, and shall be protected froml both the direct and indirect heating influence of the radiator,while being subjected at-the same time to air from theuroom at or near the average room-temperature. .j

lA further object of this invention 'is to provide a thermostatic control of a source of heat wherein the temperature-responsive element is concealed within a conduit having an inlet at a level intermediate the upper and lower strata of air ywithin'jthe room' with which it communicates and wherein means are provided for inducing a vcirculation of air through said conduit and over said temperature-responsive element.,y

Broadly stated, 'the inventionconsists. in' l* operatively connecting means for controlhng a source of heat, such,

for example, as dampers for controlling the flow of heated air through a radiator casing, with thermosensitive means positioned within a conduit hav'- ing an inlet adaptedto receive air frointhe room at or near the average room-temperal ture,y means being provided for inducing a circulation of air through said conduit, preferably in theV form of an air passage communicating with said conduit and in heat interch-anging relation with the radiator, and for protecting said conduitand the`temperature-responsive element thereinV from-the heating influences of said radiator and pas' sage while subjecting said element to ai'r at or near the averagev room-temperature.

By way of illustrating oneconstructional ing of a hollow wall, said end section j room, preferably adj acent' as lby the end wall of form of my invention, I provide a'radiator casing, here shown as having a hood, and having `dampers for controlling the flow of heated air therethrough, with an air passage vin heat interchanging relation with a por-- tion ,of the inclosed radiator, and with a conduit communicating with said passage and having an inlet to receive air, preferably near its top and at a level intermediate the upperV and lower strata of air in thevextension ot the casing, which extension is partitioned from the main or radiator space in the casing by means of a speclally formed end section of the radiator consistn Performing the double function of a heating section and a partition,

tor. In said extension is located a vertical thereof into two-vertical compartments communlcating adjacent theirlower,` ends, The outer of these compartments opens to ,the

and the inner of said compartments is prolvided withy an outlet opening at or adjacent its'` upper end, the latter compartment `being cut' ofi' .from the main radiator space, the radiator. These two compartments, chosen to illustrate the invention, constitute a U-shaped duct, one branch of which'is in heat interchanging 'relation with the end section ofthe radlator and opens atits top Reissued June 5,1917.

its upper end,-

and being pref- L erably located at the inletend of said radia-l in the construction into the room. As here ShOWIl, this branch I opens to the room throughthe freely open hood. The other branch of this duct is also in free communication vwith the lroom through an inlet opening adjacent itstop. To secure the maximum ditl'erenceof temperature between these twobranches, whereby vigorous circulation of air`through said compartments may be secured; said partition is made of non-heat conducting material, such as cork, said the thermosensitive means in the outer compartment l'from the heat of the radiator and enabling said means to respond more nearly to `the temperature of the air entering from partition also shieldingits' . tion through the room. To avoid transfer of heat by conduction between the walls of the main radiator casing and the extension,fsaid extension is preferably insulated from the walls..

The bottom wallof thesaid main portion. of the extension which extends beyond the pipeconnectionsto the radiator and the topwall closing the conduit in which is Situated the th'ermostatic deviceare also preferably made of heat-insulating material. Furthermore, Vto avoid transfer of heat by conducthe connections between the thermostatic device and thedampers in the casingthe connections which pass through the wall separating vthe two compartments are preferably made of heat-insulating material, or if of metal, vmeans are provided for circulating cool air about the same. To avoid hot air escapin around such connections, a packing'joint 1s preferably provided through which the connections work.

Asa result of this construction, the thermostatic device is enabled to control the dampers of the casing, or other means cony trolling asource of heat, practically uniniiuenced by all forms of heat emanating from the radiator, or such other source, and

is affected only by air from the room-which represents very nearly the average roomtemperature;

In order that the invention may be more readily understood, reference.1sv had tothe accompanying drawings which illustrate one g l mechanical -embodiment of the 4inventive idea. The drawings are merely `intended to assist the description and not to define the limits of the invention.

Figure 1 is a longitudinal vertical sectional view of'a portion of aradiator casing constructed in accordance with my improvement and showing heatingsections in elevation; j

Fig. 2 is a transverse vertical sectional View taken on theline 2--2 ofFig. 1, showing `the face of the end section of the radiator and the bottom pipe connections;

Fig. 3 is a perspective view with parts of the casing broken away arrangement; and l Fig. 4 is atop plan view with the hood removed, showing the arrangement-of damers. f p In the drawing,

and an end section 3 in the form of a hollow plate or wall,L inclosedin a casing 4, the bottom of end section?) being connected with a pipe 5 of the heating system and preferably the inlet pipe.

As shown, 6 1s an en extension of the radiator casing adapted to fit snugly around `the heating section 3 which separates the extension from the main radiator space of the casing and is surmounted by an extension of the hood 7 of the casing. The bot- 4, the radiator,

to show the interior y Fig. 1 exhibits three 'radil ator sections 1, 2 of the inclined ribbed type tom of this extension is closed by a floor 8 consisting of a plate of sheet-metal lined vwith insulating material, such as cork or the like, and projects above and beyond the inlet pipe connection 5, being designed to shield the interior ofthe extension yfrom the heating iniiuence of said pipe.

The space within this extension is divided into. two compartments 9 and 10 by means of' a depending partition -11 of heat-insulating material which terminates just above the floor 8, permitting communication at this point between the said compartments and providing an inlet opening for the compart-y and lower strata within the room withV which it communicates. The air'passage constituted by compartment ,10 is provided with an outlet opening at or adjacent its upper end and, when the casing is'provided with a hood as at 7, this outlet 13 may be constructed in the top wall to open into the extension of said hood through' which it is in open communication with the room. As here shown, the inner wall of saidair passage is constituted by the end section 3 of and, in order 'to prevent the setting up of convectional currents between the spaces within the casing proper and the extension thereof, said casing should, -by

preference, snugly engage said end section 3, whereby ythe air paage will be closed against air circulation between` said casing and passage. v 4

A thermosensitive device 141 is 'supported and concealed in conduit 9, preferably near the inlet opening 12, and is provided with `a connection`15, preferably of an appropriate heat-insulatingv material such as wood, which passes through the partition wall 11 and is pivotally connected to the damperoperating lever 16, said lever. having operating connections with dampers 17 which control openings 18 between the space in which the main radiator sections are positioned and the hood. To prevent heated air passlng from passage 10 into conduit 9 andv yafectin the thermostatic device, wall 11 is prefera ly provided with a packing-box through which the connection 15 works. To facilitate the heating of air in passage 10 and thereby hasten air circulation past the thermostatic device, ribs 19 are provided on the end section 3, projecting into passage 10.

To insulate conduit 9 from the heating iniiuence of the hood,` the top of said conduit may be covered with heat-insulating material as shown at 20.

The vertical walls of the casing extension heat from the walls of thecasing proper by- 45 ducing, as much as possible, conduction ofheat from the walls of the casing proper to the walls of the extension, particularly the walls of said conduit 9.

The operation of my improvement will be 'readily understood from the above description, and, briefly stated, is as follows 5- Steam or hot water having been admitted through the inlet pipe 5 to the radiator, the end wall 3 imparts its heat to the air in passage 10, thereby reducing its density vand causing it to ascend through outlet opening 13 where it passes freely into 'the room. Cooler air, taken from a level whereat it approximates the average temperature of the room, is drawn in through opening 12 and, passing down through .conduit 9 and around the -thermostaticdevice, enters passage 10.- Circulation of a body of air is thus established independently of the circulation past the main radiator sections. The thermostat responds t0 any variation of temperature of the air coming in from the room 4and operates the dampers through the intermediate connections. Partition llfeffectively insulates the thermostatic device from the heating influence of the radiator and the heatedair in passage 10; floor 8 effec'- tively insulates said devicefrom the heating influence of the inlet pipe and prevents convection currents IsetI up around such"y pipe from ndin their way into conduit 9; insulating wa l 20'shields 'said device from the heating 'influence of air-inthe hood; heat conduction throughconnection 15 avoided by Amaking this connection yof 'heat-insulat-y ing material; while the walls of the eXtension are insulated from the., conduction of the insulatin strips 21. Thereby is the con- 4duit 9l and t e thermostatic device therein effectively' insulated from the heating influenceof lthe radiator and air passage, and said device subjected to a current of ai'r at a temperature approximating that of aver age room-temperature. y

What is claimed is Y 1. A radiator casing comprising a radiator-receivingy portion provided with dampers and a second portion adapted to be separated therefrom by an end, section of the radiator, said second portion having a floor of insulating material and a topy wall,

va verticalvpartition of insulating material dividing the space therein into a down-passage and an up-passage open to each other through -said partition near said floor, one of said passages being in heat-interchanging relation with the end of the radiator and opening through'said top-wall, and the other latin passage beingl insulated from the radiator and opening through the end wall of the casing below said top Wall to receive air lfrom the room, anda thermostat locatedl near theopening of thel down-passage and operatively connected With said casing dampers.

2. A radiator casing comprising a radiator-receiving portion provided with dampers and a portion .adapted to be separated therefrom byan end section of the radiator, means preventing conduction of heat from the walls of one casing portion'to the other, said second portion having a floor of insulating material and a top wall, a vertical partition of insulating material dividing the space therein into a down-passage and an up-passage open to each other through said partition near said floor, one of said passages being in heat-interchanging relation` with the end of the radiator and opening through said top Wall, and the other passage being insulated from the radiator and opening throughV the end wall of the casing below said top vwall to receive air from the room, and a thermostat located near the opening ofthe down-passage and operatively connected with said casing dampers.

3. A radiator casing comprising a radiator-receiving portion provided with dampers and av second portionadapted to be separated therefrom by the end section of the radiator, a hood surmounting both portions, heat insulatin .means preventing conducytionof heat' om the walls of one casing portion to the other, jsaid second portion having a floor and a top wall 1both of insumaterial, a vertlcal partition of insulating materialdividingthe space therein into a down-passage andan up-passage open lto each other throug'hfsaid'partition near vthe said floor, `the`uppassage being in heatinterchanging relation withl said end section of theradiatorand open to the-hood through said top wall, and the down-passageY being insulated fromsaid. radiator section and open vbelow said top wall toreceive air from the room, and a thermostat located in said down-passage near said opening and having connections with the casing dampers.

4. A radiator casing provided with dampers, a radiator therein having -an end wall adapted to divide the casinginto a radiatorreceiving section and an extension thereof and provided with an inlet connection underneath the radiator, heat'insulating means preventing conduction of heatfromthe walls of one casing section to therother, rsaid eX- tension'section havingv a heat insulating floor located above and beyond said connection and a top Wall.a vertical ypartitionof heat l insulating materialdividing the extension space into a down-passage and an 11p-pasi sage open to eachother through said partition near the said floor, one of said passages `lating said conduit from the heating influopening through said top wall and in heatinterchanging relation with said radiator Iwall and the other insulated from the latter and open below said top wall to receive air from the room,and a thermostat located in said down-passagenear said opening and having connections with the casing dampers.

5. A radiator casing providedl with a hood i and divided into a radiatorsreceiving chamber having openings into the hood, dampers contrlling ksaid openings, and an air circu-y lating` conduit open to said hood'and having o'neportion in heat-interchanging relation with the irst-named chamber and anf other portion out of Vheat-interchanging relation with said first-named chamber for re- `ceiving air from the room, and a thermostatic device in the inlet end of the lastnamedportion of said conduit :Eo-r controlling said dampers, by variation of tempera,- ture of air entering from the room. d

6. In a device of the character described, the combination of a radiator, a casing for said radiator, dampers controlling the cir-y culation of air through said casing, an airpassage having" upper and lower openings andin heat-interchanging relation with said radiator, a conduit connected with the said lower opening, said conduit opening near its top exterior to said casing, means insuence of said radiator and said passage, and thermosensitive means located Iin said conduit and operatively connected to said dampers.

7. In a the'combination of a radiator, a casing for said radiator, dampers controlling thecirculation of air through said casing, an air passage closed against air circulation be tweenisaid casing and passage, said passage having upper and lower openings and being in heat-interchanging relation with. Isaid radiator, fa conduit connectedfwith the said lower opening, said conduit opening near its top exterior to said casing, means insulating said conduit from the heating influence of said radiator and said passage, and

thermosensitive means located in said conduitand` operatively7 connected to said dami pers.

8. Ina devic'e of the character described, the combination of a radiator, a casing for said radiator, dampers controlling the cir-H culation of air through said casing, an airpassage -having upper and lower openings and in heat-interchanging relation with said radiator, a conduit lconnected with the said lower opening, said conduit opening near its top exterior to said casing, means insulating said conduit from the heating ini'luence of said radiator and-said passage and comprising a' heat-insulating partition in` termediate said passage and conduit, and

thermosensitive means located in'said condevice of the character described,-

duitand operatively. connected to said dampers.v

9. In a device of ,theI character described, the combination of a radiator, a casing for saidl radiator, dampersvcontrolling the circulation ofair through said casing, an air passage having upper and lower openings and in heat-interchanging relation with said y Y passage having upper and lower openings. i

and in heat-interchanging relation with said y radiator, a conduit connected withthe said lower opening, saidconduit opening near itsA top exterior to s aid casing, means insulating said 'conduit from the heatinginfluence of f said radiatonand said passage and comprising a heat-insulating partition intermediate saidpassage and conduit and means preventing the-conduction ofheat betweenthe' wallsof said casing and said conduit, and thermosensitive means locatedY in said conduit and` operatively connectedto said dam-y a dev-icefofithe'characterdescribed, i

said radiatondampers controlling the-circu s lation of through casing. an l airv passage having'fupper-fand lower1 Openings and so positioned that the heating' effect .of said radiatory induces 'an air i circulation therethrough, a conduit connected with said lower opening,lmeans insulating said conduit from the heatingl iniuence of said radiator and said passage,` and thermosensitive means located in said conduit and operatively connected to said dampers.v

12. -In combination with asource-,of heat and means for controlling the" same, thermosensitive means operatively connected I with said controlling means,v a conduitv `within which a temperature-responsive element of said thermosensitive means is disposed and withinwh-ich it is concealed, said'A i conduit having an inlet positioned to receive air at a level intermediate the upper and lowerr strata of. air within the room with Y which it communicates,'.and means for gin'- ducing -a circulation of, air through said conduit and over .said temperature-responsive elementpsaid conduit beingl insulated from all other heating influences than the air circulating therethrough.

- circulation of air through said conduit yand. over said temperature-responslve element,

Vhaving an inlet positioned to vreceive air at -a level intermediate the upper and *lower strata of air within the room with which 1t communicates, and Ameans vfor inducing a said temperature-responsive element being insulated from all other heating influences than the air circulating thereover. A f

14. A radiator casing comprising a radiator-receiving portion provided with dam-- pers and a portion adapted to be separated therefrom byan end section of the radiator, means preventing conduction of heat from the walls of onecasing portion to the other, an air passage in said second portion in heat-interchanging relation with the radiator, said passage hav-ing an outlet opening adjacent its upper end, aconduit communieating with the lower end of said passage, and a thermostat -in said conduit operatively connected with said casing dampers.

15. A radiator casing comprising a radia- -tor-receiving portionprovided with dampers and a portion adapted to be separatedA therefrom by an end section of theradiator, an air passage in said second.' portion in heat-interchanging relation with the radia-Y tor, said passage having an outlet opening adjacent itsr upper end, a conduit in said second portion se arated from said passage by a partition o heat-insulating material,

said conduit communicating with the lower end of said passage, and a thermostat in said conduit operatively connected with said casing dampers.l

16. A radiator casing comprising a radiator-receiving l' portion provided with dampers and a portion adaptedl to be separated therefrom by an. end section of the radiator, an 'air passage in said second portion in heat-interchanging relation with the radiator, said passage having an|outlet opening adjacent its upper end, a conduit communieating with the ylower end of said passage,

and a' thermostat in said conduit operatively connected with said casing .dampers and insulated from the heating influence of said passage and radiator.

' 17. A radiator casing comprising a radiator-receiving portion provided with .dampers and a portion adapted to be separated therefrom by an end section of the radiator, means preventing conduction of heat from the walls of one casing portion to the other,

'an air passage in saldsecond portion in -heat-interchanging relation with the radiator, said passage having an outlet opening adjacent its uppery end, a conduit in said "secon'd portion separated from said passage by a partition of heat-insulating material, said .conduit communicating with the lower end of said passage, and a thermOstat in said conduit operatively connected with said casing dampers. v

. 18. In a device ofthe character described, the combination of a radiator, a casing for said radiator,- dampers controlling the lcirculation of air through said casing, an extension of 'said 'casing provided witha ver.- -tical partiti-on ofinsulating material divid- ,ing saidA .extension into-a passage inv heatinterchanging relation with said radiator and a conduit communicating with lsaid passage adjacent its lower end, said passage having an4 outlet opening adjacent its upper end and said conduit having an inlet opening adjacent its upper end, and thermosensitive means located in said conduit and operatively connected to said dampers.

Y 19. In a device of the character described, the combination of va radiator, a casing for said radiator, dampers controlling the circulation of air through said casing, an extension of said casing provided with a vertical partition of insulating material dividing said extension' into a passage in heat-interchanging relation with said radiator and a conduit communicating with saidv passage 'adjacent its lower end, said passage having an outlet opening adjacent its upper end and said conduit having an inlet opening adjacent its upper end, means preventing the 100 conduction of heatb'etween the walls of said casing and said extension, and thermosensitive means located in said conduit and operatively connected to said dampers.

20. In a device of the character described, the combination of a radiator, a casing for said radiator, dampers controlling the circulation of air through said casing, an extension of said casing provided with a vertical dpartitionof insulating material dividing 110 sai extensioninto a passage in heat-interchanging relation with said radiator and ar lconduit communicating with said passage adjacent its lower end said passage having an outlet opening adjacent its` upper end and said conduit having an inlet opening adjacent its upfper end, means preventin the' conduction 0 passage in heat-interchanging relation with v said radiator and apconduit communicating 130 heat between the walls o ksaid l ca slg and said extension, a oor of insulatdampers.

with said passage adjacent its lower end, said passage having an outlet opening adjacent its upper end and said conduit having an inlet opening adjacent its upper end, means preventing the conduction of heat between the walls of said casing and said extension, and thermosensitiveV means ,located in said conduit and operatively connected to said 22. In a device of the character described, the combination of a radiator, a casing for sai'd radiator, dampers controlling the circulation of air through said casing, an eXtension of said casing provided with a vertical partition dividing said extension into a passage in heat-interchangin'g relation with.

said radiator, dampers controlling the circulation of air through said casing, an upwardly directed air passage having an outlet adjacent its upper end and in heat-inter changing relation with said radiator, a downwardly directed conduit with which said passage is in communication, said conduit having an inlet adjacent its upper end, meansk insulating said conduit from the heating influence of said radiator and said passage, and thermosensitive means located in said conduit and operatively connected to said dampers.

'24. In a device of the character described, the combination of a radiator, a casing for saidradiator, dampers controlling the circulation of air through said casing, an upwardly Idirected air passage having an outlet adjacent its upper end and in heat-interchanging relation with said radiator, a downwardly directed vconduit with which said passage is in communication, lsaid conduit having an inlet adjacent its upper end and being in non-heat-interchanging relation with said radiator and said passage, and thermosensitive means located in said conduit and operatively connected to said dampers.

25. In a device of the character described, the combination of a radiator, a casing for said radiator, dampers controlling the circulation of air through said casing, an air passage having upper and lower openings and so positioned that the heating effect of saidy radiator induces an air circulation therethrough, a conduit connected with said lowery opening, said conduit opening near its top eXteriorto said casing, means insulating said conduit from the heating influence of said radiator and said passage, and thermosen'sitive means located in said conduit and operatively connected to saiddam-V ers.

p In testimony whereof I have signed this specication.

WESTON M. FULTON.

Images