US2291232A - Air circulating attachment - Google Patents

Air circulating attachment Download PDF

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Publication number
US2291232A
US2291232A US352610A US35261040A US2291232A US 2291232 A US2291232 A US 2291232A US 352610 A US352610 A US 352610A US 35261040 A US35261040 A US 35261040A US 2291232 A US2291232 A US 2291232A
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Prior art keywords
combustion chamber
air
air circulating
casing
heated
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Expired - Lifetime
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US352610A
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Jr John J Juby
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Jr John J Juby
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Priority to US352610A priority Critical patent/US2291232A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24BDOMESTIC STOVES OR RANGES FOR SOLID FUELS
    • F24B7/00Stoves, ranges or flue-gas ducts, with additional provisions for convection heating
    • F24B7/02Stoves, ranges or flue-gas ducts, with additional provisions for convection heating with external air ducts
    • F24B7/025Stoves, ranges or flue-gas ducts, with additional provisions for convection heating with external air ducts with forced circulation

Description

July 28, 1942. J. J. JUBY. JR

AIR CIRCULATING ATTACHMENT Filed Aug. 14, 1940 (Ta/27a JJZlb 177'; INVENTOR.

ATTORNEYS Patented July 28, 1942 UNlTED STATES PATENT OFFICE AIR CIRCULATING ATTACHMENT John J. Juby, Jr., Marblehead, Ohio Application August 14, 1940, Serial No. 352,610

2 Claims.

The present invention relates to an air circulating attachment for stoves and furnaces and more especially to furnaces of the hot air type.

An important object of the invention resides in the provision of an attachment including a blower that will draw in relatively cold air from the exterior of the stove or furnace and feed the same through a tube heated by the stove or furnace Where it mixes with and is expelled with the hot air produced by the stove or furnace.

Another object of the invention is to provide a heating coil positioned in or around the combustion chamber of a heating device and means for feeding relatively cold air thereto to be heated therein to be expelled with the heated air of the combustion chamber.

The invention also consists in certain other features of construction and in the combination and arrangement of the several parts, to be hereinafter fully described, illustrated in the accompanying drawing and specifically pointed out in the appended claims.

The figure is a vertical sectional view of a stove equipped with the air circulating attachment, parts thereof being shown in elevation.

Referring to the drawing for a more detailed description thereof, in the figure there is disclosed a heating stove of conventional construction that is generally designated by the reference numeral 5 which includes an outer casing 6, a combustion chamber I, and fire-box 8. The casing rests upon a base 9 and the upper end of said casing is provided with a multiplicity of openings I through which heated air is expelled. An outlet pipe II projects from the combustion chamber 1 for carrying off waste gases, said pipe being suitably connected with the combustion chamber in a manner well known in the art.

An angularly disposed air duct I2 is formed in the combustion chamber adjacent the upper end thereof and communicates with the central outlet I3 through which heated air is expelled for discharge through the openings III.

The air circulating attachment includes a blower I4 mounted in the casing 6 near the bottom end thereof for drawing in cold air from the exterior of the furnace. The blower is attached to the casing by means of a plate I and the outlet end It of the blower is attached to a flexible tubing IT. The tubing I1 is coiled around the lower section of the combustion chamber as indicated at I8 and extends upwardly around the casing with its opposite end I9 entering the air duct I2 and terminating in a flange coupling 20 within the outlet I3. The heat of the combustion 6 is also heated and a certain amount of cold air.

will be drawn in through the inlet opening 2I to be heated and discharged through the openings II]. A certain amount of the air entering the opening ill will be directed into the duct I2 since said duct is open at opposed sides of the combustion chamber.

Thelblower I4 is controlled from a thermostat generally designated by the reference numeral 22, said thermostat being of the type including a switch adapted to be actuated for operating the blower as the temperature drops and rises.

Thus it will be seen that in the invention shown in the figure, cold air which is present on the floor and around the casing I5 will be fed through the tubing I8 where it is heated by the combustion chamber and discharged into the room. A vacuum will be created adjacent the upper end of the combustion chamber for drawing the air through the opening 2| to be heated in the space between the combustion chamber and the wall of the casing, the flow of the heated air being indicated by the arrows.

Also it will be understood, of course, by those skilled in the art that variations in the hereinabove described device involving the substitution of substantial equivalents for the devices described are intended to be comprehended within the spirit of the present invention and that the invention is capable of extended application and is not confined to the exact showing of the drawing nor to the precise construction described and, therefore, such changes and modifications may be made therein as do not affect the spirit of the invention nor exceed the scope thereof as expressed in the appended claims.

What is claimed is:

1. In a hot air heating device, comprising a casing having air inlets at one end and outlets at the opposite end, a combustion chamber mounted within the chamber and spaced therefrom, obliquely arranged passages extending upwardly through the combustion chamber and communicating at their lower ends with the space surrounding the combustion chamber and communicating with a central passage in the firepot, a tubing coiled around the combustion chamber, a blower for forcing the air into the lower end of the tubing and the upper end of the tubing extending through one of the obliquely arranged municating with the space surrounding the com- 10 bustion chamber and having their upper ends communicating with a central passage in the combustion chamber, a tubing coiled around the combustion chamber and having its lower end extending through the casing, a blower connected to said tubing, the upper end of the coil extending through one of the obliquely arranged passages and terminating in the central passage.

JOHN J. JUBY, JR.

US352610A 1940-08-14 1940-08-14 Air circulating attachment Expired - Lifetime US2291232A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2478069A (en) * 1945-12-01 1949-08-02 Leo N Walter Forced air heater
US2518629A (en) * 1946-06-04 1950-08-15 Carl H Melton Forced air flow oil burning air heating furnace with internal air chamber
US2612890A (en) * 1948-11-23 1952-10-07 Harsh Joseph Delbert Hot-air heating furnace
US2627265A (en) * 1949-05-17 1953-02-03 Syllus D Tate Air circulating heater and furnace
US20080173297A1 (en) * 2007-01-24 2008-07-24 Ardisam High efficiency biomass stove
WO2019224209A1 (en) 2018-05-23 2019-11-28 Gios Bart Closed-cycle absorption system and method for cooling and generating power

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2478069A (en) * 1945-12-01 1949-08-02 Leo N Walter Forced air heater
US2518629A (en) * 1946-06-04 1950-08-15 Carl H Melton Forced air flow oil burning air heating furnace with internal air chamber
US2612890A (en) * 1948-11-23 1952-10-07 Harsh Joseph Delbert Hot-air heating furnace
US2627265A (en) * 1949-05-17 1953-02-03 Syllus D Tate Air circulating heater and furnace
US20080173297A1 (en) * 2007-01-24 2008-07-24 Ardisam High efficiency biomass stove
US7823578B2 (en) * 2007-01-24 2010-11-02 Ardisam, Inc. High efficiency biomass stove
WO2019224209A1 (en) 2018-05-23 2019-11-28 Gios Bart Closed-cycle absorption system and method for cooling and generating power

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