US2989047A - Chimney stack moisture collecting and humidifying apparatus - Google Patents

Chimney stack moisture collecting and humidifying apparatus Download PDF

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US2989047A
US2989047A US723028A US72302858A US2989047A US 2989047 A US2989047 A US 2989047A US 723028 A US723028 A US 723028A US 72302858 A US72302858 A US 72302858A US 2989047 A US2989047 A US 2989047A
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moisture
receptacle
furnace
humidifier
chimney
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Victor E Olson
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/003—Details moisturising of air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J11/00—Devices for conducting smoke or fumes, e.g. flues

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  • An object of the present invention resides in the provision of an apparatus for collecting moisture which is condensed in the chimney stack and in connecting this moisture collecting apparatus to a furnace humidifier so as to supply moisture thereto.
  • a furnace humidifier so as to supply moisture thereto.
  • the device comprises a shallow receptacle which is covered by a screen or similar foraminous covering which in turn is covered by a baffle so that the condensate will not drip directly into the receptacle but will drain into the receptacle from the surrounding area.
  • a further feature of the present invention resides in the provision of a device of the type described which may be mounted in place by furnace cement or other such material which will recess the base of the receptacle and provide a natural drainage of moisture into the receptacle.
  • FIGURE 1 is a vertical sectional view through a portion of the base of the chimney stack and through the moisture collecting device showing the construction thereof.
  • FIGURE 2 is a diagrammatic view showing the manner in which the drainage from the receptacle may be introduced to the furnace humidifier.
  • FIGURE 3 is a sectional view through a portion of a modified form of construction.
  • FIGURE 4 illustrates a slightly different arrangement of the elements.
  • FIGURE 2 of the drawings the letter A designates a furnace in general which employs gas as a fuel and which includes a humidifier indicated in general by the numeral 10.
  • a furnace in general which employs gas as a fuel and which includes a humidifier indicated in general by the numeral 10.
  • a humidifier indicated in general by the numeral 10.
  • the spent gases from the furnace A are conveyed by a chimney pipe 11 to the stack 12.
  • the stack 12 normally is provided with an inner flue or liner 13 through which the smoke and gases extend. It is within this liner 13 that the condensate collects.
  • the moisture collecting apparatus is indicated in general by the letter B and is normally supported in the elbow 14 at the base of the liner 13. As will be later described in detail, the moisture collecting device B is connected by a tubular connection 15 to the furnace humidifier 10 so that the condensate Will be introduced into the humidifier and evaporated into the heated air.
  • the moisture collecting device B includes a pan shaped receptacle 16 having a bottom wall 17 and upwardly inclined surrounding side walls 19 which terminate in an outwardly extending flang 20.
  • a cylindrical shell 21 eX- tends upwardly from the flange 20 and is secured thereto- This cylindrical shell 21 is provided with a series of angularly spaced apertures 22 extending therethrough at the bottom thereof just above the level of the flange 20.
  • a screen or perforated plate 23 overlies the flange 20 within the shell 21 and acts to prevent foreign material from entering the receptacle 17.
  • An inverted pan shaped top 24 is secured to the upper end of the cylindrical sleeve 21 to form a top closure therefore.
  • the member 24 includes a top plate 25 and downwardly and outwardly inclined surrounding walls 26 which terminate in an outwardly extending flange 27.
  • the member 24 acts as a baflie to prevent Water and foreign material from dropping directly against the screen and into the receptacle. Normally the moisture will drain down the walls of the liner 13 and directly into the receptacle so that the member 24 acts mainly as a guard against any foreign material which drops down the liner 13.
  • the receptacle 16 is embedded in a body of furnace cement 29 or the like which is built up on the bottom of the elbow 14 in such a manner as to slope toward the flange 20 of the receptacle 16 from all directions. Thus, any moisture which enters the elbow will drain into the receptacle 16.
  • condensation will collect on this liner and will drain down the walls thereof. This moisture is conducted by the cement 29 into the receptacle 16 and the moisture from the receptacle is free to drain through the tubular connection 15 and to the furnace humidifier.
  • the water connection act as an automatic drain for the condensation but also acts as a water supply for the humidifier.
  • the amount of condensate collected is not sufficient to operate the humidifier, it may be supplemented by an additional water supply.
  • condensation does not collect unless the furnace is in operation and when the furnace is in operation it requires water in the humidifier and, while a drain is not always readily available near the chimney stack, the furnace is always nearby and can accommodate the water condensed.
  • FIGURE 3 a substantially identical device is partially illustrated, differing from the original only in the fact that the top member is removable and foldable so that it can be readily inserted into a flue liner already installed.
  • the device C includes a cylindrical shell 31 which corresponds to the shell 21 previously described.
  • the top 32 comprises a plate top 33 and downwardly and outwardly inclined walls 34 which terminate in an outwardly extending flange 35.
  • the entire top is diametrically split as at 36, and the two halves connected by hinges 37. As a result, the two halves of the top can be centrally folded as indicated in dotted outline.
  • the top 32 rests upon the shell 31 by gravity. Angularly spaced clips 39 on the top engage the upper portion of the shell 31 to hold the top centered relative to the shell. This arrangement is of advantage when the device is inserted after the flue has been installed.
  • the reducing fitting 40 usually used to connect the elbow 14 to the chimney pipe 11 is removed and the body of the apparatus may be inserted and partially embedded in cement. The top can then be inserted while folded, can be unfolded while in the elbow 14, and placed on the top of the shell 31.
  • the flange or rim 20 is extended beyond the periphery of the shell 21 and is provided with a down turned peripheral flange 41. This arrangement simplifies the smoothing of the cement 29 about the shell and insures a tight peripheral seal.
  • the flue liner can extend the full height of the chimney or may be discontinued above the level of the chimney pipe 11.
  • the smoke pipe 11 isconnected to a T-connection 43, with the upper leg 44 of the connection connected to a flue liner 45 extending the full height of the chimney.
  • the moisture collecting device B is positioned below the chimney pipe 11 in the lower leg 46 of the connection or in a continuation thereof.
  • the device B is supported above the level of the humidifier so that the connection may still deliver moisture to the humidifier by gravity.
  • the lower portion of the device B is held in place in the manner previously described, as by the furnace cement 29.
  • a hot air furnace having a humidifier located in the heated air zone thereof, a horizontal flue leading from the furnace through which the spent gases may pass, a chimney having a vertical stack liner disposed therein, an elbow member connected between the horizontal flue and the vertical stack liner for conducting the gases from said flue into said liner, a collecting means for condensed moisture, means supporting the moisture collecting means at the bottom of said liner and within said elbow member, and a conduit connecting said moisture collecting means and said humidifier to direct the condensed moisture to the humidifier.
  • said moisture collecting means includes a shallow receptacle into which moisture can drain, and baflle means supported over said receptacle to prevent the dropping of foreign material into the receptacle.
  • said moisture collecting means includes a shallow receptacle and including a foraminous member overlying said receptacle.
  • baffle means is of substantially greater dimensions than said receptacle so as to overhang same, and including means whereby said baflle means may be collapsed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chimneys And Flues (AREA)

Description

June 20, 1961 v. E. OLSON 2,989,047
CHIMNEY STACK MOISTURE COLLECTING AND HUMIDIFYING APPARATUS Filed March 21, 1958 I/' I, k PM i INVENTOR A ORNEY United States Patent G 2,989,047 CHIMNEY STACK MOISTURE COLLECTING AND HUMIDIFYING APPARATUS Victor E. Olson, 5348 Riverview Road, Minneapolis 17, Minn. Filed Mar. 21, 1958, Ser. No. 723,028 6 Claims. (Cl. 126-113) This invention relates to an improvement in chimney stack moisture-collecting apparatus and deals particularly with a means of collecting condensed moisture and introducing the moisture into a furnace humidifying apparatus.
Many modern hot air furnaces are provided with humidifying means of one type or another which often include filters which are moistened by water and through which the heated air must pass. Many furnaces of the type which use gas as a fuel have considerable difiiculty due to moisture condensing in the chimney stack. If sufficient moisture is condensed in the chimney stack and if no means is provided for the drainage of this moisture, considerable damage to the equipment may be experienced. In certain instances in gas furnace installations, as much as two gallons of water have been condensed in a single days time in a modern home installation. Unless a drain is readily available into which this moisture may be emptied, much time and effort is spent in eliminating this moisture.
An object of the present invention resides in the provision of an apparatus for collecting moisture which is condensed in the chimney stack and in connecting this moisture collecting apparatus to a furnace humidifier so as to supply moisture thereto. Thus, as the air is heated by the furnace, moisture is condensed by the heated gases and this moisture is introduced into the humidifier thus obviating the necessity of providing a drain for the condensate and similarly avoiding the necessity for a water connection to the humidifier.
A feature of the invention resides in its simplicity and low cost. In preferred form the device comprises a shallow receptacle which is covered by a screen or similar foraminous covering which in turn is covered by a baffle so that the condensate will not drip directly into the receptacle but will drain into the receptacle from the surrounding area.
A further feature of the present invention resides in the provision of a device of the type described which may be mounted in place by furnace cement or other such material which will recess the base of the receptacle and provide a natural drainage of moisture into the receptacle.
These and other objects and novel features of the present invention will be more clearly and fully set forth in the following specification and claims.
In the drawings forming a part of the specification:
FIGURE 1 is a vertical sectional view through a portion of the base of the chimney stack and through the moisture collecting device showing the construction thereof.
FIGURE 2 is a diagrammatic view showing the manner in which the drainage from the receptacle may be introduced to the furnace humidifier.
FIGURE 3 is a sectional view through a portion of a modified form of construction.
FIGURE 4 illustrates a slightly different arrangement of the elements.
In FIGURE 2 of the drawings, the letter A designates a furnace in general which employs gas as a fuel and which includes a humidifier indicated in general by the numeral 10. As there are a great number of different types of furnaces and as each furnace employs a different type of filter arrangement, the figure is merely diagrammatic and is not intended to show any precise arrangement.
Patented June 20, 1961 The spent gases from the furnace A are conveyed by a chimney pipe 11 to the stack 12. The stack 12 normally is provided with an inner flue or liner 13 through which the smoke and gases extend. It is within this liner 13 that the condensate collects.
The moisture collecting apparatus is indicated in general by the letter B and is normally supported in the elbow 14 at the base of the liner 13. As will be later described in detail, the moisture collecting device B is connected by a tubular connection 15 to the furnace humidifier 10 so that the condensate Will be introduced into the humidifier and evaporated into the heated air.
The moisture collecting device B includes a pan shaped receptacle 16 having a bottom wall 17 and upwardly inclined surrounding side walls 19 which terminate in an outwardly extending flang 20. A cylindrical shell 21 eX- tends upwardly from the flange 20 and is secured thereto- This cylindrical shell 21 is provided with a series of angularly spaced apertures 22 extending therethrough at the bottom thereof just above the level of the flange 20. A screen or perforated plate 23 overlies the flange 20 within the shell 21 and acts to prevent foreign material from entering the receptacle 17.
An inverted pan shaped top 24 is secured to the upper end of the cylindrical sleeve 21 to form a top closure therefore. The member 24 includes a top plate 25 and downwardly and outwardly inclined surrounding walls 26 which terminate in an outwardly extending flange 27. The member 24 acts as a baflie to prevent Water and foreign material from dropping directly against the screen and into the receptacle. Normally the moisture will drain down the walls of the liner 13 and directly into the receptacle so that the member 24 acts mainly as a guard against any foreign material which drops down the liner 13.
As is indicated in FIGURE 1, the receptacle 16 is embedded in a body of furnace cement 29 or the like which is built up on the bottom of the elbow 14 in such a manner as to slope toward the flange 20 of the receptacle 16 from all directions. Thus, any moisture which enters the elbow will drain into the receptacle 16.
The operation of the apparatus is believed evident from the foregoing description. As the heated gas is guided up through the liner 13, condensation will collect on this liner and will drain down the walls thereof. This moisture is conducted by the cement 29 into the receptacle 16 and the moisture from the receptacle is free to drain through the tubular connection 15 and to the furnace humidifier. Thus, not only does the water connection act as an automatic drain for the condensation but also acts as a water supply for the humidifier. In the event the amount of condensate collected is not sufficient to operate the humidifier, it may be supplemented by an additional water supply. However, in any event, condensation does not collect unless the furnace is in operation and when the furnace is in operation it requires water in the humidifier and, while a drain is not always readily available near the chimney stack, the furnace is always nearby and can accommodate the water condensed.
In order to simplify the installation, the tubular connection 15 may include a connecting member 28 of flexible material which serves as a connection between the main portion of the connection 15 and the end portion 15 thereof which extends into the bottom of the receptacle 16.
In FIGURE 3 a substantially identical device is partially illustrated, differing from the original only in the fact that the top member is removable and foldable so that it can be readily inserted into a flue liner already installed. The device C includes a cylindrical shell 31 which corresponds to the shell 21 previously described. The top 32 comprises a plate top 33 and downwardly and outwardly inclined walls 34 which terminate in an outwardly extending flange 35. The entire top is diametrically split as at 36, and the two halves connected by hinges 37. As a result, the two halves of the top can be centrally folded as indicated in dotted outline.
The top 32 rests upon the shell 31 by gravity. Angularly spaced clips 39 on the top engage the upper portion of the shell 31 to hold the top centered relative to the shell. This arrangement is of advantage when the device is inserted after the flue has been installed. The reducing fitting 40 usually used to connect the elbow 14 to the chimney pipe 11 is removed and the body of the apparatus may be inserted and partially embedded in cement. The top can then be inserted while folded, can be unfolded while in the elbow 14, and placed on the top of the shell 31.
In order to simplify the insertion of the apparatus, the flange or rim 20 is extended beyond the periphery of the shell 21 and is provided with a down turned peripheral flange 41. This arrangement simplifies the smoothing of the cement 29 about the shell and insures a tight peripheral seal.
The foregoing description shows an arrangement where the flue liner can extend the full height of the chimney or may be discontinued above the level of the chimney pipe 11. In FIGURE 4, the smoke pipe 11 isconnected to a T-connection 43, with the upper leg 44 of the connection connected to a flue liner 45 extending the full height of the chimney. The moisture collecting device B is positioned below the chimney pipe 11 in the lower leg 46 of the connection or in a continuation thereof. The device B is supported above the level of the humidifier so that the connection may still deliver moisture to the humidifier by gravity. The lower portion of the device B is held in place in the manner previously described, as by the furnace cement 29.
In accordance with the patent statutes, I have described the principles of construction and operation of my improvement in chimney stack moisture collectingapparatus, and While I have endeavored to set forth the best embodiments thereof, I desire to have it understood that changes may be made within the scope of the following claims without departing from the spirit of my invention.
I claim:
1. In combination with a hot air furnace having a humidifier located in the heated air zone thereof, a horizontal flue leading from the furnace through which the spent gases may pass, a chimney having a vertical stack liner disposed therein, an elbow member connected between the horizontal flue and the vertical stack liner for conducting the gases from said flue into said liner, a collecting means for condensed moisture, means supporting the moisture collecting means at the bottom of said liner and within said elbow member, and a conduit connecting said moisture collecting means and said humidifier to direct the condensed moisture to the humidifier.
2. The structure described in claim 1 and including slopingv means encircling the moisture collecting means for directing condensed moisture into said moisture collecting means.
3. The construction described in claim 1 and in which said moisture collecting means includes a shallow receptacle into which moisture can drain, and baflle means supported over said receptacle to prevent the dropping of foreign material into the receptacle.
4. The construction described in claim 1 and in which said moisture collecting means includes a shallow receptacle and including a foraminous member overlying said receptacle.
5. The construction described in claim 3 and including means embedding said shallow receptacle and having a concave upper surface draining toward said receptacle,
6. The structure of claim 3 and in which said baffle means is of substantially greater dimensions than said receptacle so as to overhang same, and including means whereby said baflle means may be collapsed.
References Cited in the file of this patent UNITED STATES PATENTS 576,838 Dulier Feb. 9, 1897 941,841 Ahlen et a1 Nov. 30, 1909 1,048,532 Helander Dec. 31, 1912 1,093,103 Jackson et al Apr. 14, 1914 1,123,232 Brassert et a1. Ian. 5, 1915 1,170,658 Mitchell Feb. 8, 1916 1,840,628 Howle Jan, 12, 1932 1,890,930 Blackmore Dec. 13, 1932 2,614,514 Martindale et a1 Oct. 21, 1952
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110247603A1 (en) * 2010-04-09 2011-10-13 Carrier Corporation Furnace Vent with Water-Permeable Inner Pipe

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US576838A (en) * 1897-02-09 Edward e
US941841A (en) * 1909-04-07 1909-11-30 William Ahlen Apparatus for cleaning gases.
US1048532A (en) * 1910-10-19 1912-12-31 Axel H Helander Condenser.
US1093103A (en) * 1911-10-23 1914-04-14 Philip T Jackson Heating apparatus.
US1123232A (en) * 1913-10-15 1915-01-05 Hermann A Brassert Gas-washing.
US1170658A (en) * 1914-07-13 1916-02-08 Joseph B Mitchell Air cooling and purifying apparatus.
US1840628A (en) * 1932-01-12 Chimney construction
US1890930A (en) * 1932-12-13 A corpora
US2614514A (en) * 1949-01-27 1952-10-21 John H Jerred Radiant plate and baffle for heating burners

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US576838A (en) * 1897-02-09 Edward e
US1840628A (en) * 1932-01-12 Chimney construction
US1890930A (en) * 1932-12-13 A corpora
US941841A (en) * 1909-04-07 1909-11-30 William Ahlen Apparatus for cleaning gases.
US1048532A (en) * 1910-10-19 1912-12-31 Axel H Helander Condenser.
US1093103A (en) * 1911-10-23 1914-04-14 Philip T Jackson Heating apparatus.
US1123232A (en) * 1913-10-15 1915-01-05 Hermann A Brassert Gas-washing.
US1170658A (en) * 1914-07-13 1916-02-08 Joseph B Mitchell Air cooling and purifying apparatus.
US2614514A (en) * 1949-01-27 1952-10-21 John H Jerred Radiant plate and baffle for heating burners

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110247603A1 (en) * 2010-04-09 2011-10-13 Carrier Corporation Furnace Vent with Water-Permeable Inner Pipe
US9103560B2 (en) * 2010-04-09 2015-08-11 Carrier Corporation Furnace vent with water-permeable inner pipe

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