US2017621A - Heater - Google Patents

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US2017621A
US2017621A US644889A US64488932A US2017621A US 2017621 A US2017621 A US 2017621A US 644889 A US644889 A US 644889A US 64488932 A US64488932 A US 64488932A US 2017621 A US2017621 A US 2017621A
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heater
shell
humidifier
burner
combustion
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US644889A
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Dore W Grazier
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Dore W Grazier
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT GENERATING MEANS, IN GENERAL
    • F24H3/00Air heaters having heat generating means
    • F24H3/02Air heaters having heat generating means with forced circulation
    • F24H3/06Air heaters having heat generating means with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
    • F24H3/065Air heaters having heat generating means with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators using fluid combustibles

Description

' Oct. 15, 1935. D. w. GRAZIER HEATER Filed Nov. 29 1952 2 Sheets-Sheet 2 Dore WGrazj/erj as GM Patented Oct. 15, 1935 UNITED STATES.

PATENT orrlca HEATER Dor W. Grazier, Johnstown, Pa. Application November 29, 1932, Serial No. 644,889

2 Claims. (Cl. 126-;l0)

The present invention consists of-a heater which is designed primarily for use with a gaseous fuel burner automatically controlled by a room thermostat or the like, the heater being also sus-' ceptible of conversion into an air conditioner without changing the construction of the heater in any way.

To obtain maximum efliciency the following objects are included in the teaching of the present invention: to confine products of combustion, generated by a bimer, to a tortuous path in an enclosed space which is completely jacketed by air passage-ways; to provide an air jacket for the combustion space which is equipped with a humidifier from which the moisture content is evaporated by the radiant heat of the combustlon chamber; to provide a combustion chamber employing a spiral .vane of multi-part construction to facilitate assemblage and reduce the cost to manufacture to a minimum; and to provide a humidifier which consists of an: independent unit arranged in the heater out of the path of the products of combustion, yet positioned for direct impingement by the radiated heat from the com- 6 bustion chamber, the humidifier including moisture absorbing elements constantly saturated by suitable liquid supply means.

s A coordinate object of the invention consists in employing a heater which may be mounted on a fioor or other base, or suspended from a suitable superstructure, such as a floor or ceiling, without. changing the essential characteristics of the heater and without in any way changing its mode of operation.

A further object of the invention is to provide a heater which, although primarily designed to be of elongated form, arranged in vertical position when in use, may likewise be used in relatively short batteries through which the prodnets of combustion are circulated in a manner to obtain maximum efilciency and including a humidifier of the same construction and used in the same manner as the humidifier in the elongated type of heater.

A still further .object of the invention consists in the provision of a heater embodying a combustion chamber completely closed by air jackets through which air is constantly fed, either by natural or artificial circulation, depending upon the type of heater employed.

Other objects of the invention will be apparent from the following description of the present preferred forms thereof, taken in connection with the accompanying drawings, wherein Fig. 1 is a perspective view of a heater con structed in accordance with the present invention;

Fig. 2 is a horizontal sectional view thereof Fig. 3 is a longitudinal sectional view of the heater. showing to advantage the combustion chamber and air spaces surrounding the same;

Fig. 4 is a fragmentary elevational view ,of a humidifier made in accordance with the present invention; 0

Fig. 5 is a fragmentary longitudinal sectional 10 view of the humidifier taken on the line 5-5 of Fig. 4, looking in the direction of the arrows;

Fig. 6 is a perspective view of the innermost shell of the heater illustrating the manner of mounting the spiral deflector vanethereon; ll

Fig. 7 is a detail fragmentary perspective view of the spiral vane, showing the adjacent terminals of the vane strips disconnected.

The preferred form of the present invention is illustrated in Figs. 1 to 7 of the drawings and con- 10 sists of a heater, generally designated M, which in the present instance is shown to be of oblong configuration and is especially adapted for vertical positioning in the comer of a room where it will occupy a minimum amount of space. The 25 heater is composed of a series of shells, the outermost of which, indicated at l5, constitutes the casing, while the intermediate shell l6 and innermost shell I! are fitted within the casing in spaced relation to the latter and in spaced rela- 30 tion' to one another. In the present instance these shells are shown to be of square cross section, although it is to be understood that the contour of the shells may be changed without departing from the spirit or scope of this inven- 85 tion. The casing l5 consists of metal sheets, the adjacent margins of which are reversely folded to interengage corner pieces l8, which are slidably engaged with said plates,-as illustrated to advantage in Fig.2. The casing I5 is engaged 4 with the intermediate shell It by supporting irons IS, the ends of which latter are secured to the casing, while the intermediate parts thereof are equipped with pins 20, which embrace the inter-,

mediate shell l6, permitting sliding movement of 415.

the latter within said pins and also allowing for the expansion and contraction of the shell. The lower end of the shell l6 fits in a bottom cap H, which latter also embraces the lower terminal of the innermost shell I1. The outer shell or cas- 50 ing I5 is supported on a bottom assemby, generally designated 22, embodying'legs and a pyramidal heat deflector plate 23. The bottom cap closes the space between the innermost shell I! and the intermediate shell It at the lower end of the latter, the upper ends of said shells carrying a deflector cap 24, which spans the distance between the shells l6 and l1, said deflector cap including a depending collar which extends downwardly into the shell I! for an appreciable distance and is contiguous to the inner periphery thereof. l

The closed space between the shells l6 and I1 constitutes a combustion chamber in which 10 suitable combustion means is mounted. For this purpose, in the present instance, I employ a gaseous burner 25 of circular construction,'

which lies wholly within said chamber near the bottom of-the latter, gas being fed to the burner through an inlet pipe 26, which communicates with a yoke 21 that opens at diametrically opposite points into the burner. The inlet pipe 26 is connected with a source of fuel supply in a manner well known in the art and may be equipped with a suitable thermostatically controlled valve.

To intercept the products of combustion in the combustion chamber, I provide a spiral vane, generally designated 28, the opposite .ends of which are anchored on strips 29 carried by the shell l1. Preferably the vane is composed of a series of metal straps, the opposite ends of which are ofiset, as indicatedfat 3U, while the terminals thereof are reversely folded for engagement with 30 complemental terminals on the adjacent straps to form lock joints 3|. As shown to advantage in Figs. 3 and 6, the burner 25 circumscribes the lower end of the shell Ill and is in relatively close proximity thereto in order that the products of combustion will-pass upwardly against the spiral vane 28 to radiate the heat from said products through the walls of the shells l6 and 11. The upper end of the combustion chamber is also sealed or bonded to the intermediate shell by a boxing 32 on the upper end of the shell H, which is secured to the inner wall of said shell.

end of the combustion chamber is provided with a flue opening 33. I

In each side of the heater, immediately above the burner 25, a collar 34 is mounted, the outer end of which lies against the outer wall of the casing I5 while the' inner end engages theouter periphery of'the shell l6. The inner end of each 5 collar is closed and provided with a threaded opening which may receive a closure plug 35, or electrical ignition means, such as a spark plug The spark plug 36 may be engaged in cir- 36. 5 .cuit with a source of electric supply for use in igniting the burner, or the plug '35 may be" removed to permit the introduction of a match or taper into the burner for lighting the same.

- The threaded openings in the collars are of 'stand- 60 ard size to permit the use of either or'both of the closure plug 35 or spark plug 36; Preferably both are used, as shown in Fig. 3 of the drawings, so that'inthe event of the failure of lighted in a manner "already described. I

The heater of the present invention also injcludes a humidifier which is preferably mounted 'inbne or. more of theair spaces outside, of the closed combustion chamber. The humidifier 7 'ipr'eferably employed in this organization is of "the spark plug to operate, the burner may be wardly to a point approximately midway the'ends of the shellsr The liner may be made of any ity' of liquid absorbing pads 39 made of an asbestos composition or the like. The pads 39 are covered by a foraminous sheet 40 which may be made of wire mesh and is secured, as indicated at 4|, to flanges formed by inturning and 5 contracting the lateral margins of the wall 38. Liquid is supplied to the pads 39 through the medium of a pipe 42, the latter extending upwardly in parallel relation to one of said flanges of the wall 38 and terminating adjacent the 10 upper end thereof in a right angle perforate head 43', through which the water gravitates into engagement with the pads 39, as advantageously illustrated in Fig. 4. The panel 31 is suspended from the top of the heater by hangers 44. Pref- 15 erably, as shown in Fig. 3, the top of the humidifier is arranged to lie just below the flue opening 33 in order that the zone of highest saturation of the humidifier will be positioned at the point most remote from the zone of generation of the 20 products of combustion. I have found from experiment that by making the combustion pad of the humidifier in multiple, instead of in a single piece, a maximum humidifying efiiciency is attained. In making the pad in a number of 25 parts, a space is provided between the parts for the radiation of heat from the wall 38- and by arranging. the pads in zig-zag relation, the gravitation of water from one pad to another forms in effect a water curtain to positively pro- 30 vide an ample moisture content in the heated air under all operating conditions of the burner. The bottom of the wall 38 is bent upwardly to provide a catch basin-or trough 45, with which a drain pipe 46 communicates. The drain pipe may be covered by a screen 41 detachably mounted in the trough to intercept extraneous materials gravitating downwardly from the humidi- For the purpose of creating a'draft through 40 fier suspended in the water.

' the air passages of the heater around the com- As shown to advantage in Figs. 1 and 3, the upper bustion chamber, I provide a fan 48, the guard 49 of which may be mounted in an annular recess or depression 50, formed in a support 5| carried by the heater casing. The support is encased in a crown 52, also carried by the casing and of any suitable ornamental design.

In order to at all times determine whether or not the burner is in operation, I have mounted in the'heat'er directly below the burner 25, miri rors 53 which may be made from a chromium plated metal and disposed at an inclination to be visible through peep or sight opening 54,

formed in the heater casing. Said openings also 55 "serve as secondary air inlets for the combustibn chamber.

It is desired to interpose between the, outer- ,most shell l5 and the intermediate shell 16, a liner. 55 at the zone of the heater where the maximum radiation would be normallyeffected. Consequently, in Fig. 3 of the drawings, I show the liner mounted in the bottom of the heater between the shellsv indicated and extending .up-

suitable material and'is of a size to'be conveniently accommodated between the shells l5 and I6, outside of the humidifier 31.

In the form of invention just described, after the burnerj has been lighted, it is manifest that the products of combustion will travel through a tortuous path, regulated by the conformation I of the vane 28, through the combustion cham- 76 deflector 23 into the room in proximity to the fioor upon which the heater is mounted. Evaporation from the humidifier is of course effected by the radiated heat to charge the air with a predetermined moisture content. It is of course to be understood that although I have shown a single humidifier mounted inthe space between the shells l5 and I6 of the heater, nevertheless the number of panel humidifiers may be increased and may be mounted at any point outside of the combustion chamber, such, for instance, as in.

the air space within the innermost shell H.

The heater shown in the form of invention just described may also be'provided with an air conditioner 5B, of any conventional design. In the present instance, I have, in Figs. 2 and 3 of the drawings, shown plates for this purpose. The plates may be moistened by water gravitating through a pipe 56' for impingement against a bafiie 56 which latter is pendently carried by the pipe 56'. The air conditioner may be superimposed on the yoke 21 of the burner 25 in order that the air blast passing through the innermost shell I! will directly impinge the air conditioner to drive the'moistened air below the bottoms of the shells. The deflector 23 is so formed that it may be inverted to provide a catch basin for the moisture gravitating from the air conditioner. While I have herein described preferred forms of my invention, which I have found to be most 5 practical in reducing the invention to practice, I am nevertheless aware that various changes may be made therein, especially in the details of construction, proportion and arrangement of parts,within pended;

What is claimed is: y

1. In a heater, a combustion chamber equipped with a spiral baflie for conducting products of combustion in a tortuous path through the cham- 15 her, said baflie being of multi-part construction the. ends of said parts being complemental to interlock.

Y 2. A heater comprising a series of concentric shells, two of which are connected at their ter- 20 minals to provide a closed combustion chamber, means providing an opening between the combustion chamber and through the outermost shell, a burner in said chamber, and reflector means mounted in the chamber in proximity to 25 the burner and visible through said opening in DORE W. GRAZIER. to

the scope of the claims hereto ap- 10

US644889A 1932-11-29 1932-11-29 Heater Expired - Lifetime US2017621A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2457818A (en) * 1944-12-07 1949-01-04 Sidney J Helman Downward forced flow air heater for rooms
US2524160A (en) * 1950-10-03 Air-conditioning and heating
US2678811A (en) * 1951-02-26 1954-05-18 Moritz L Mueller Heating apparatus
US3010449A (en) * 1955-07-15 1961-11-28 Paul D Owen Heater combination
US3027890A (en) * 1958-06-25 1962-04-03 Evan C Siggelkow Hot air heater
US3224431A (en) * 1963-07-16 1965-12-21 Artemas F Holden Open water heating system
US20130255664A1 (en) * 2012-04-02 2013-10-03 Empire Comfort Systems, Inc. Evaporation apparatus for high efficiency fire place or heater with humidification feature

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2524160A (en) * 1950-10-03 Air-conditioning and heating
US2457818A (en) * 1944-12-07 1949-01-04 Sidney J Helman Downward forced flow air heater for rooms
US2678811A (en) * 1951-02-26 1954-05-18 Moritz L Mueller Heating apparatus
US3010449A (en) * 1955-07-15 1961-11-28 Paul D Owen Heater combination
US3027890A (en) * 1958-06-25 1962-04-03 Evan C Siggelkow Hot air heater
US3224431A (en) * 1963-07-16 1965-12-21 Artemas F Holden Open water heating system
US20130255664A1 (en) * 2012-04-02 2013-10-03 Empire Comfort Systems, Inc. Evaporation apparatus for high efficiency fire place or heater with humidification feature

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