US770329A - Ventilator attachment for stovepipes. - Google Patents

Ventilator attachment for stovepipes. Download PDF

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Publication number
US770329A
US770329A US19811504A US1904198115A US770329A US 770329 A US770329 A US 770329A US 19811504 A US19811504 A US 19811504A US 1904198115 A US1904198115 A US 1904198115A US 770329 A US770329 A US 770329A
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United States
Prior art keywords
stovepipes
pipe
stovepipe
attachment
room
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US19811504A
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Thomas J Stafford
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M9/00—Baffles or deflectors for air or combustion products; Flame shields
    • F23M9/003—Baffles or deflectors for air or combustion products; Flame shields in flue gas ducts
    • F23M9/006—Backflow diverters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J13/00—Fittings for chimneys or flues 

Definitions

  • My object is to restrict the escape of valuable products of combustion through a stovepipe as required to economize the burning of fuel, to draw cold and foul air from a room, to produce circulation of air in a room, to maintain a uniform temperature in a room, and to prevent the annoyances incident to the wind blowing down a chimney and forcing smoke, gas, and soot out of astove.
  • My invention consists in the construction, arrangement, and combination of an air-circulating attachment to a stovepipe, as hereinafter set forth, pointed out in my claim, and illustrated in the accompanying drawings, in which Figure 1 is a side view of a common stove and my attachment applied to the stovepipe as required in practical use.
  • Figure 2 is an enlarged sectional view of the device and shows how it is constructed and connected with a stovepipe.
  • the numeral designates a stove, and 12' a pipe extending upward therefrom to be connected with a chimney.
  • My attachment consists of a pipe 13, half as large in diameter as the stovepipe and provided with a funnel-shaped lower end 14. It has a detachable elbow 15 at its top provided with a branch 17 at its bottom and center and a fixed pipe 16 near its top provided with a branch 17 to engage the branch extending down from the elbow 15.
  • the elbow 15 and the pipe 16 are detachably connected with the stovepipe 12 by means of bushings a, fitted in apertures in the pipelQ, as shown in Fig. 2.
  • a damper 18 is located in the upper end portion of the pipe 13 as required to regulate the passage of cold and foul air upward through the ventilating-pipe.
  • a ventilator attachment for stovepipes comprising an open-ended pipe, about half the diameter of the stovepipe, provided with a damper and having a branch extending at right angles near its top and an upward extension on said branch, an elbow on the top of the pipe provided with a downward extension to connect with the upward extension of the said branch and flanged bushings in apertures in the stovepipe, arranged and combined to operate in the manner set forth for the purposes stated.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Solid-Fuel Combustion (AREA)

Description

N0'.770,329. PATENTED SEPT. 20, 1904.
T.J.STAFFORD.
VENTILATOR ATTACHMENT FOR STOVEPIPES.
APPLIOATION nun MAR. 14, 1904.
N0 MODEL,
UNrrnn STATES Patented September 20, 1904.
ATENT rrron.
VENTILATOR ATTACHMENT FOR STOVEPIPES.
SPECIFICATION forming part of Letters Patent No. 770,329, dated September 20, 1904.
Application filed March 14, 1904. Serial No. 198,115. (No model.)
T (1 whom it may concern:
Be it known that I, THOMAS J. STAFFORD, a citizen of the United States, residing at Audubon, in the county of Audubon and State of Iowa, have invented a new and useful Ventilator Attachment for Stovepipes, of which the following is a specification.
My object is to restrict the escape of valuable products of combustion through a stovepipe as required to economize the burning of fuel, to draw cold and foul air from a room, to produce circulation of air in a room, to maintain a uniform temperature in a room, and to prevent the annoyances incident to the wind blowing down a chimney and forcing smoke, gas, and soot out of astove.
My invention consists in the construction, arrangement, and combination of an air-circulating attachment to a stovepipe, as hereinafter set forth, pointed out in my claim, and illustrated in the accompanying drawings, in which Figure 1 is a side view of a common stove and my attachment applied to the stovepipe as required in practical use. Fig. 2 is an enlarged sectional view of the device and shows how it is constructed and connected with a stovepipe.
The numeral designates a stove, and 12' a pipe extending upward therefrom to be connected with a chimney.
My attachment consists of a pipe 13, half as large in diameter as the stovepipe and provided with a funnel-shaped lower end 14. It has a detachable elbow 15 at its top provided with a branch 17 at its bottom and center and a fixed pipe 16 near its top provided with a branch 17 to engage the branch extending down from the elbow 15. The elbow 15 and the pipe 16 are detachably connected with the stovepipe 12 by means of bushings a, fitted in apertures in the pipelQ, as shown in Fig. 2.
A damper 18 is located in the upper end portion of the pipe 13 as required to regulate the passage of cold and foul air upward through the ventilating-pipe.
In practical use when the damper in the pipe 13 is open cold and foul air will be drawn from the lower strata of air in the room and passed through the elbow 15 into the stovepipe 13 and in so doing will restrict the passage of heat from the stove up through the stovepipe 13, and consequently the heat will be retained and radiated from the stove and the lower portion of the stove as required to warm the atmospherein the room, and heat in the branch pipe 16 will facilitate the movement of cold and foul air upward and out through the pipes 13 and 12. At the same time the heat distributed from the stove 'will be circulated in the room by the removal of the cold and foul air from the room through the pipe 13 as required to create a uniform temperature throughout the room.
It is obvious the passage of air through the pipe 13 may be regulated by means of the damper 18 or closed entirely as required to start a fire in the stove.
Having thus set forth the purpose of my invention, its construction,application. and manner of use, the practical operation and utility thereof will be readily understood by persons familiar with the art to which it pertains, and
TVhat I claim as new, and desire to secure by Letters Patent, is*
A ventilator attachment for stovepipes comprising an open-ended pipe, about half the diameter of the stovepipe, provided with a damper and having a branch extending at right angles near its top and an upward extension on said branch, an elbow on the top of the pipe provided with a downward extension to connect with the upward extension of the said branch and flanged bushings in apertures in the stovepipe, arranged and combined to operate in the manner set forth for the purposes stated.
THOMAS J. STAFFORD.
Witnesses:
O. RANDALL HUNTER, FRANK M. THARNISH.
US19811504A 1904-03-14 1904-03-14 Ventilator attachment for stovepipes. Expired - Lifetime US770329A (en)

Priority Applications (1)

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US19811504A US770329A (en) 1904-03-14 1904-03-14 Ventilator attachment for stovepipes.

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US19811504A US770329A (en) 1904-03-14 1904-03-14 Ventilator attachment for stovepipes.

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US770329A true US770329A (en) 1904-09-20

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