US1059356A - Steam-heating system. - Google Patents

Steam-heating system. Download PDF

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US1059356A
US1059356A US59049210A US1910590492A US1059356A US 1059356 A US1059356 A US 1059356A US 59049210 A US59049210 A US 59049210A US 1910590492 A US1910590492 A US 1910590492A US 1059356 A US1059356 A US 1059356A
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bow
valve
discharge
casing
steam
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US59049210A
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Edward E Gold
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Gold Car Heating & Lighting Co
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Gold Car Heating & Lighting Co
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/01—Control of temperature without auxiliary power
    • G05D23/12—Control of temperature without auxiliary power with sensing element responsive to pressure or volume changes in a confined fluid
    • G05D23/121—Control of temperature without auxiliary power with sensing element responsive to pressure or volume changes in a confined fluid characterised by the sensing element
    • G05D23/122—Control of temperature without auxiliary power with sensing element responsive to pressure or volume changes in a confined fluid characterised by the sensing element using a plurality of sensing elements

Definitions

  • Fig. 3 is a perv spective view of a complete system embodying the invention;
  • Fig. 4 is adetail of Fig. 3 ona larger scale;
  • Fig. 5 is a view similar to Fig. 3-of a slightly modiedsystem;
  • F ig. 6 is a horizontal sectional .view ⁇ of another system;
  • Fig. 7 is a verticalsection approximately on the line 7'-'-7 of Fig. 6;
  • Fig. 18 is a sectlon partly in elevation approximately on the line 8--8 of Fig. l6;
  • Fig. 9 is a view similarl to Fig.; 8 ofanother style" of construction.
  • FIG. 3 Referrin ⁇ now to theV embodiment ⁇ of the 4 inventioni *ustratedaA (Fig. 3) is the train- 40. carrying avsupply of steam under pressure pipe runningthe full length ofthe train and fromv the locomotive, and Bisa branch running therefrom to the radiator.
  • the branch B passesupward through the floor of the car, being rovided usualll at its upper end with a handJ stop-valve() om which a pipe D lruns to the radiator Ein which is an expansion loop F, at the end ⁇ of which is a vertical dischargel pipe G passing through the ioor of the car to a point below.
  • valve H Interposed in the pipe D is a thermostatic admission :valve H, the valve stem J of which extends through a stuffing box and ⁇ is provided with a collar o1' enlargement K..
  • the valve H is closed thermostatically as hereinafter described.
  • the hand valve (l When the hand valve (l is opened the steam fills the radiatorv and discharges closing the automatic valve and lcutting ofi the supply.
  • the automatic valve opens, renewing the supply of steam. This is the method of operation of'the well known vapor system.
  • Figs. 1 and 2 there are illustrated the principal parts of a convertible or interchangeable system which may be set' at will to operate either on the vapor principle or on the ordinarypressure principle with the discharge end normally closed and the admission end' continuously open, only the water of condensation being ⁇ discharged at the discharge end.
  • the ex ⁇ pansible vessel is made in the form of a double tubular bow composed ⁇ of two parts a and b fastened to a block o or other fixed part of a casing d.
  • the casing is connected at :its upper end to the discharge pipe G of the system, and at its lower end to a continu- ⁇ ation G of the discharge pipe upon, the lower end of whichis applied the coil S ex'- posed on its inside tothe discharge and on its outside to the atmosphere.
  • the small flexible pipe P from the coil extendsto the bow ⁇ a b, and communicates withthe latter at the point of attachment of the bow.
  • the stem J of the admission valve HT abuts against the' free end of the part a of the expansible bow, so as to cause the shutting of the valve when thispart of the bow is ex" panded.
  • a discharge valvec of any usual or suitable type Athe stem f of which extends downward and bears on the free end of the part b of the bow. When this part b expands, it lifts the stem f and-closes i y the valve so as to cut off the discharge of ⁇ steam.
  • the bow ⁇ being ⁇ arranged substan' i so valves.
  • the means illustrated for this purpose comprise a pair of arms gl and L having their outer ends j and lr: adapted to embrace or overlie t-he respective arms of the bow, the two arms g l1. being lsupported on' a movement.
  • the part bof the bow acts positively to close the valve e when this part of the bow is expanded; and when contracted i permits the valveeto open by gravity and the part a of the bow when expanded positively closes the admission valve H, but when contracted permits the opening of .the latter by its' springfu.
  • the arm h serves 'w hold the parta of the bow contracted and to cause the admission valve to be held open permanently byits spring; the withdrawal of the arm h to its inoperative position releasing the part a of the bow soas to' permit it to yield tothe expansive tendency and to cause the opening and closing of the admission valve as the conditions ottemperature'in the discharge vary.
  • Thel two arms move simultaneously, 'being fixed on the central shaft Z.
  • One-'extreme position is shown in dotted lines and the other in full linesin Fig. 4.
  • the arm g In the full line position the arm g has its o-uter end j projecting over the part b of the bow, and thus holds the latter retracted, while at the same time the arm has its outer end lc clear of the parta oi the bow, so that this part of the bow is free to yield to temperature changes;
  • the arm z. and its outer end k holdthepart a of the bow positively against any expansive inliuence, while thearm g has its outer end j moved clear of the 'part-b of the bow'so as to permit the latter to yield to temperature changes, l
  • a ,thermostatic vessel p near the roof of the 'I car or at any other convenient point for ⁇ determinin the temperature of the atmosphere withln the car.
  • a thermostatic vessel may be of any usual or suitable make communicating with a tube g running aconsiderable Vportion of the length of the car so as to average the effect of the temperatures at different points and communicating by a tube 11 with a bow s., and the free end of which expands to shut the automatic admission valve H and, when contracted, releases the valve to permit it to be opened this case is ⁇ extended lto bring its end into engagement with the part a. of a double bow a b similar to that shown in Fig. 1.
  • the other parts of the .apparatus are as previously described.
  • the thermostatic bow a b of this systemy will operate vinthe same way as in the apparatus of Fig/1. There is imi posed upon this operation, however, a sup. plementary operation, namely, the closing of the admission valve when, the temperature 0 by its spring.
  • the stem J of the valve 1n 8 l of the atmosphere in the car lrises beyond the desired point.
  • the admission valve is closed in. either of two cases, lirst, when the -temperature of the atmosphere within the.
  • Fig. 1 shows in somewhat enlarged detail thehtwo valves and the thermostatic mechanism of Fig. 3.
  • the parts a and b of the thermostatic bow are arranged as in Fig. 1
  • valve spindle J is made suiiciently long between the adjustable ther
  • the double bow a I) beexpanded by pressure generatedin another vessel such as thecoil S of Fig. '1.
  • the double bow may be itself filled with ether, alcohol, or other liquidwhich vaporisc 'pletely filling the bow with liquid the expansive tendency at. the boiling point of the liquid becomes extremely high andthe thermostat most efficient. After iillingthe bow with the thermostatic liquid it may be sealed in any known or suitable way.
  • a suitable arrangement without the outside pressure generating vessel is shown in Fig. 5, the
  • I may shape and mount the bow ⁇ itself in such a manner as to secure a partial exposure to the air.
  • thebow 'wa is shown, the part fw of which is withinthe casing y, and the part :v of whichV is ⁇ outside of the casing y, one end beingfast and the other end being free and engaging the end ⁇ of the valve stem J.
  • the operation will be similar to that of the bow s or ⁇ the bow a b of the previous figures.
  • a casing adapted to be applied to the side of the discharge pipe and corresponding with the casing e of the construction here shown adapted to be applied to the side of the blow-off'pipe 2, a diaphragm 3 being arranged to ⁇ cause the steam to circulate through the casing a before passing to the outlet ⁇ pipe 4.
  • the casinggz is provided with a door 6 hinged-at one side andlatched byf means of an eccentric latch 7 ⁇ at the outerl side..
  • this door holds the atdiaphragm against the end of the .valve spindleJ so that the steam passing ⁇ through the chamber Icloses the valve.
  • the diaphragm 8 must in tact be fastened directly .to the door ⁇ l v i l vsaid casing adapte door the device may be put out of use and f access may be had at the same time to the inner side of the casing and the inner end of the bow.
  • This constiction enables me to readily substitute one style of thermostat for the other by simply providinga new door with the thermostat applied thereto.
  • I may in practice ⁇ provide with my system two such doors as part of the com lete sysltem and adapted to be substitute one for the other.
  • a steam heating system including in combination a radiator in which steam is circulated and 'which discharges into the atmosphere, a substantially non-expansible casing through which the dischargeifrom ⁇ in the temperature of such discharge, ani other part of said ⁇ bow being exposed tothe atmosphere, and a valve controlled by the movable end of said bow.
  • Aisteam heating system including in combination a radiator in which steam is circulated ⁇ and which discharges into the i, atmosphere, a substantially non-expansibl'e Icasing through which the discharge from the system passes to the atmosphere, an adi mission valve adjacent to said casing and having a rod projectingthereinto, and an expansibletubular bow ⁇ having a movable end in said casing and adapted to engage and operate said valve rod and exposed ⁇ to the discharge from the system and sensitive to variations in temperature of such dischar e, another part of said .bow being expose to the atmosphere. ,l
  • a steam heating system including in combination a substantially non-expansible casing-through which passes the discharge from the system, a discharge valve and an admission valve, said valveshaving rods extending into said casing, and an expansible tubular ⁇ bow havin two movable ends in respectivel to operate said valve rods and exposed to t e discharge in the system, and sensitive to variations in the temperature of such discharge, another part of said bow being exposed to the atmosphere.
  • a ⁇ steam heating system including in combination a substantially non-expansible casing ⁇ through which passes the discharge from the system, a discharge valve and an admission valve, said valves having rods extending into said casing, and an expansible tubular bow havin two movable ends in said casing adapte respectivel to operate said valve rods and exposed to t e discharge in the system, and sensitive to ⁇ variations in the temperature of such discharge, an ⁇ 'other part of said bow being exposed to the atmosphere, and means for holding said movable ends alternatively fixed so as to permit the operation of one or the other,v of lsaid valves alternatively.
  • a steam heating system including in combination a substantially non-expansible casing through which passes the discharge from the system, a discharge valve and an admission valve, said valves having rods extending into said casing, and an expansible tubular bow havin two movable ends in said casing adapte respectively to operate natively fixed so as to permit the operation ⁇ of one or :the other of said valves alternatively.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Temperature-Responsive Valves (AREA)

Description

Patented Apr. 22, 1913.
4 BEBBTSBHIIET 1.
lNVENTGRL 2 5m M E. E. GOLD. STB-AM HEATING SYSTEM. APPLIUATION FILED mwys. 1910.
W TNESSES:
. E. GOLD.
STEAM HEATING SYSTEM.
APPLIUATIOH FILED Nov. s, 1910.
1,059,356, Patented Apr. 22,1913.
4 BHBETHHEET 2.
[IIC-Il INVENTOR M WITM-:SSES:P
E. E. GOLD.
STEAM HEATING SYSTEM. APPLIGATION FILED Nov. a, 191'0. 1,059,356. Patented Apr, 22, 1913.
4 SHEETS-SHEET 3.
-"w 7 7 f1 Cf" INVENTOR WITNESSES;` v6J/Mam M @wam/f E. E. GOLD.
STEAM HEATNG SYSTEM.
APPLICATION FILED NOV. 3, 1910.
Patented Apr. 22, 1913.
4 BEEETSSEEET 4.
UNITED STATES @TENT oEEroE.
EDWARD E. GOLD, 0F NEW YORK, N. Y., ASSJIGNOR T0 GOLD CARHATING & LIGHTING COMPANY, OF NEW YORK, N. Y.,
A CORPORATION" 0F NEW` YORK.
STEAWHEATING SYSTEM.
Specication of Letters latent.
Application tiled November 3, 1910. Serial No. 590,492.
Patented Apr. 22, 1913.
apparatus of this class at present in use,
This application is in parts a continuation of certain of my prior applications for `patent, notably Nos. 455,470 of September 30, 1908 and 463,109 `of November 17, 1908.
The accompanying drawings illustrate an embodiment of the invention."4
Figure l is a vertical section of thedischarge end of a system embodyingthe inventlon; Fig.12 is a side elevation of the thermostat and setting means of Fig. 1,* with the casing shown in section; Fig. 3 is a perv spective view of a complete system embodying the invention; Fig. 4 is adetail of Fig. 3 ona larger scale; Fig. 5 is a view similar to Fig. 3-of a slightly modiedsystem; F ig. 6 is a horizontal sectional .view` of another system; Fig. 7 is a verticalsection approximately on the line 7'-'-7 of Fig. 6; Fig. 18 is a sectlon partly in elevation approximately on the line 8--8 of Fig. l6; Fig. 9 is a view similarl to Fig.; 8 ofanother style" of construction.
Referrin `now to theV embodiment `of the 4 inventioni *ustratedaA (Fig. 3) is the train- 40. carrying avsupply of steam under pressure pipe runningthe full length ofthe train and fromv the locomotive, and Bisa branch running therefrom to the radiator. The branch B passesupward through the floor of the car, being rovided usualll at its upper end with a handJ stop-valve() om which a pipe D lruns to the radiator Ein which is an expansion loop F, at the end `of which is a vertical dischargel pipe G passing through the ioor of the car to a point below.
Interposed in the pipe D is a thermostatic admission :valve H, the valve stem J of which extends through a stuffing box and `is provided with a collar o1' enlargement K.. A
spring Lis arranged between the collar andthe adjacent part of the valve casing,
tending `normally to hold the valve open.
The valve H is closed thermostatically as hereinafter described. When the hand valve (l is opened the steam fills the radiatorv and discharges closing the automatic valve and lcutting ofi the supply. When the steam ceases to appear at the discharge end, the automatic valve opens, renewing the supply of steam. This is the method of operation of'the well known vapor system.
In Figs. 1 and 2 there are illustrated the principal parts of a convertible or interchangeable system which may be set' at will to operate either on the vapor principle or on the ordinarypressure principle with the discharge end normally closed and the admission end' continuously open, only the water of condensation being` discharged at the discharge end. For this purpose the ex` pansible vessel is made in the form of a double tubular bow composed` of two parts a and b fastened to a block o or other fixed part of a casing d. The casing is connected at :its upper end to the discharge pipe G of the system, and at its lower end to a continu-` ation G of the discharge pipe upon, the lower end of whichis applied the coil S ex'- posed on its inside tothe discharge and on its outside to the atmosphere. The small flexible pipe P from the coil extendsto the bow `a b, and communicates withthe latter at the point of attachment of the bow. The stem J of the admission valve HT abuts against the' free end of the part a of the expansible bow, so as to cause the shutting of the valve when thispart of the bow is ex" panded. At the upper end of the discharge pipe G there is a discharge valvec of any usual or suitable type, Athe stem f of which extends downward and bears on the free end of the part b of the bow. When this part b expands, it lifts the stem f and-closes i y the valve so as to cut off the discharge of` steam. The bow` being` arranged substan' i so valves. The means illustrated for this purpose comprise a pair of arms gl and L having their outer ends j and lr: adapted to embrace or overlie t-he respective arms of the bow, the two arms g l1. being lsupported on' a movement. The part bof the bow acts positively to close the valve e when this part of the bow is expanded; and when contracted i permits the valveeto open by gravity and the part a of the bow when expanded positively closes the admission valve H, but when contracted permits the opening of .the latter by its' springfu.
is free to expand or contract in accordance with the condition of the discharge so as to operate the discharge valve e like an ordinary trap. Similarly the arm h serves 'w hold the parta of the bow contracted and to cause the admission valve to be held open permanently byits spring; the withdrawal of the arm h to its inoperative position releasing the part a of the bow soas to' permit it to yield tothe expansive tendency and to cause the opening and closing of the admission valve as the conditions ottemperature'in the discharge vary.
The arms g and it take their operative or retracting positions alternately. Thel two arms move simultaneously, 'being fixed on the central shaft Z. One-'extreme position is shown in dotted lines and the other in full linesin Fig. 4. In the full line position the arm g has its o-uter end j projecting over the part b of the bow, and thus holds the latter retracted, while at the same time the arm has its outer end lc clear of the parta oi the bow, so that this part of the bow is free to yield to temperature changes; In the dotted line position, on the other hand, the arm z. and its outer end k holdthepart a of the bow positively against any expansive inliuence, while thearm g has its outer end j moved clear of the 'part-b of the bow'so as to permit the latter to yield to temperature changes, l
The systems previously described .control the valves in accordance with the temperaturev of the discharging heatiner medium. It. is desirable also to determine tlie operation of the system in accordance with the temperapitch, and the rod is accessible outside thel the pressure of the steam within. Similarly The purpose of the L arm g is to hold the part o of the bow contracted, which causes the discharge valve to i remain permanently open; and ,when the' arm g is inoperative the parte of the bow ture of the atmosphere within the car.` For this purpose I may add, as in'Figs. 3 and 4,
a ,thermostatic vessel p near the roof of the 'I car or at any other convenient point for` determinin the temperature of the atmosphere withln the car. Such a thermostatic vessel may be of any usual or suitable make communicating with a tube g running aconsiderable Vportion of the length of the car so as to average the effect of the temperatures at different points and communicating by a tube 11 with a bow s., and the free end of which expands to shut the automatic admission valve H and, when contracted, releases the valve to permit it to be opened this case is` extended lto bring its end into engagement with the part a. of a double bow a b similar to that shown in Fig. 1. The other parts of the .apparatus are as previously described. The thermostatic bow a b of this systemy will operate vinthe same way as in the apparatus of Fig/1. There is imi posed upon this operation, however, a sup. plementary operation, namely, the closing of the admission valve when, the temperature 0 by its spring. The stem J of the valve 1n 8 l of the atmosphere in the car lrises beyond the desired point. -Thus the admission valve is closed in. either of two cases, lirst, when the -temperature of the atmosphere within the.
car 1s too high and regardless of the operationof the system under vapor or pressure,
and second, .when .the system is operating as a-vapor system and the discharge of steam takes place. 'g y Fig 4 shows in somewhat enlarged detail thehtwo valves and the thermostatic mechanism of Fig. 3. The parts a and b of the thermostatic bow are arranged as in Fig. 1
and likewise the lsupport c and the shaft Z 'carrying the arms g and lz for setting the apparatus to one position or another by -means of the hand shaft o. The only ditference is that the valve spindle J is made suiiciently long between the adjustable ther| mostat and the valve proper H to permit the introduction in an intermediate positionot the bow s' which is connectedby the tube r. to the-supply of .tllermostatic fluid in the top ofthecar, the right-hand end of the `bow; being attached to the casing d of the double thermostat a b, and theshaft J passing freely through holes inthe casing and in the `fixed end of the bow; and the movable end of the bow being arranged to engage the col. lar K on'the valve s indie to shut the valve; the opening of a va ve'when the bow is contracted being ei'ected by means of a spring o, Fig. l, within the ca'sin .y It' is not essential to the' operation o the adjustable thermostatic mechanism that the double bow a I) beexpanded by pressure generatedin another vessel such as thecoil S of Fig. '1. The double bow may be itself filled with ether, alcohol, or other liquidwhich vaporisc 'pletely filling the bow with liquid the expansive tendency at. the boiling point of the liquid becomes extremely high andthe thermostat most efficient. After iillingthe bow with the thermostatic liquid it may be sealed in any known or suitable way. A suitable arrangement without the outside pressure generating vessel is shown in Fig. 5, the
interchangeable thermostat being indicated i diagrammatically and without acasin for the sake of clearness, the casing bein s own only'in dotted lines. The parts are t esame as in the mechanism of Fig. 3, except for the omission of the coil R and supporting parts `and connection.
Instead oproviding a coil as in Fig. 4 separate from the thermostatic bow` and exposed to the steam and air, I may shape and mount the bow` itself in such a manner as to secure a partial exposure to the air. For example in Figs. 6 to 8 thebow 'wa is shown, the part fw of which is withinthe casing y, and the part :v of whichV is `outside of the casing y, one end beingfast and the other end being free and engaging the end` of the valve stem J. The operation will be similar to that of the bow s or `the bow a b of the previous figures. When steam from the discharge pipe G passes into or throu h the casing e, it heats the thermostat sui-l ciently to press the free end `against the valve stem so as .to close the latter. When the steam ceases to escape then the exposure of the part of the thermostatic .bow to the `outside atmosphere quickly chills` the liquid therein and contracts the thermostat so as i to allow the bow to open. The device is thus of the greatest simplicit and at theI same time of the greatest sensitiveness. This device is made readily attachable to and de tac'hable from the s stem so that it can be substituted for the at circular style of diaphragm shown in mv applications for Patents Nos. 562,397 and 576,054. In these applications there is shown a casing adapted to be applied to the side of the discharge pipe and corresponding with the casing e of the construction here shown adapted to be applied to the side of the blow-off'pipe 2, a diaphragm 3 being arranged to` cause the steam to circulate through the casing a before passing to the outlet`pipe 4.? T e central pipe'5 1s for thedischarge of the water of condensation when the out-er pipeV 2 is closed and the system `is to be operated u nder pressure. The casinggz is provided with a door 6 hinged-at one side andlatched byf means of an eccentric latch 7 `at the outerl side.. In the construction reviously referred te this door holds the atdiaphragm against the end of the .valve spindleJ so that the steam passing `through the chamber Icloses the valve. The diaphragm 8 must in tact be fastened directly .to the door` l v i l vsaid casing adapte door the device may be put out of use and f access may be had at the same time to the inner side of the casing and the inner end of the bow. This constiction enables me to readily substitute one style of thermostat for the other by simply providinga new door with the thermostat applied thereto. I may in practice `provide with my system two such doors as part of the com lete sysltem and adapted to be substitute one for the other. I claim as my invention l. A steam heating system including in combination a radiator in which steam is circulated and 'which discharges into the atmosphere, a substantially non-expansible casing through which the dischargeifrom` in the temperature of such discharge, ani other part of said `bow being exposed tothe atmosphere, and a valve controlled by the movable end of said bow.
2. Aisteam heating system including in combination a radiator in which steam is circulated `and which discharges into the i, atmosphere, a substantially non-expansibl'e Icasing through which the discharge from the system passes to the atmosphere, an adi mission valve adjacent to said casing and having a rod projectingthereinto, and an expansibletubular bow `having a movable end in said casing and adapted to engage and operate said valve rod and exposed `to the discharge from the system and sensitive to variations in temperature of such dischar e, another part of said .bow being expose to the atmosphere. ,l
3. A steam heating system including in combination a substantially non-expansible casing-through which passes the discharge from the system, a discharge valve and an admission valve, said valveshaving rods extending into said casing, and an expansible tubular` bow havin two movable ends in respectivel to operate said valve rods and exposed to t e discharge in the system, and sensitive to variations in the temperature of such discharge, another part of said bow being exposed to the atmosphere.`
4. A `steam heating system `including in combination a substantially non-expansible casing `through which passes the discharge from the system, a discharge valve and an admission valve, said valves having rods extending into said casing, and an expansible tubular bow havin two movable ends in said casing adapte respectivel to operate said valve rods and exposed to t e discharge in the system, and sensitive to `variations in the temperature of such discharge, an\ 'other part of said bow being exposed to the atmosphere, and means for holding said movable ends alternatively fixed so as to permit the operation of one or the other,v of lsaid valves alternatively.
5. A steam heating system including in combination a substantially non-expansible casing through which passes the discharge from the system, a discharge valve and an admission valve, said valves having rods extending into said casing, and an expansible tubular bow havin two movable ends in said casing adapte respectively to operate natively fixed so as to permit the operation` of one or :the other of said valves alternatively.
In Witness whereof,` I have hereunto signed my name in the presence of two subscribing witnesses.
AEDWARD E. GOLD. Witnesses:
HENRY M. FINE,
FRED WHITE.
US59049210A 1910-11-03 1910-11-03 Steam-heating system. Expired - Lifetime US1059356A (en)

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