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US2345329A - Self-feeding stove - Google Patents

Self-feeding stove Download PDF

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US2345329A
US2345329A US2345329DA US2345329A US 2345329 A US2345329 A US 2345329A US 2345329D A US2345329D A US 2345329DA US 2345329 A US2345329 A US 2345329A
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shell
stove
box
opening
self
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  • This invention relates to new and useful improvements in stoves and a specially wood-burning stove, the principal object of the invention being to provide a stove constructed in such a manner that the stove can be stocked with fuel which will feed downwardly into the fire area or draft line as the underlying fuel is consumed.
  • Another important object of the invention is to provide a stove construction which will burn fuel over a considerable period of time without restocking or replenishment of the fuel.
  • Figure 1 represents a top plan view of the stove.
  • Figure 2 is a vertical sectional view through the stove.
  • Figure 3 is a horizontal sectional view taken substantially on the line 33 of Figure 2.
  • numeral 5 denotes an outside shell supported by legs 6 and having a perforated top I.
  • Numeral 8 denotes an inside shell, while inside of the inside shell 8 is a fire and storage box 8 which may have an opening adjacent the top thereof and a door in the upper portion of the shell 5 through which fuel can be inserted.
  • a vertically disposed partition I is provided in the inner shell 8 adjacent one side thereof to define a passageway II.
  • This partition I9 having an opening l2 adjacent its lower end to communicate the passageway I! with the chamber l3 surrounding the fire and storage box 9.
  • a line attaching neck l4 having a damper I5 therein.
  • the lower portion of the box 9 has a grate l6 therein upon which the burning wood I! is located and upon this burning wood is a stock of fuel or wood 18 which will burn as the mass I1 is consumed.
  • This mass I1 is within the path of a draft which extends through openings IS and 20 in diametrically opposite side portions of the box 9.
  • the inner shell 8 is in spaced relation with respect to the outer shell 5 to define a chamber 2!.
  • Air admission louvres 22 are provided in one side of the outer shell 5 so as to admit air to the chamber 2 I.
  • Additional louvres 23 are provided in the diametrically opposite wall of the shell 5 to also admit air to the chamber 2
  • An ash receiving drawer 25 is provided below the grate l6. Obviously, suitable doors can be provided for the firebox and for the ash drawer 25 as well as for the upper portions of the box 9 so that fuel can be placed in the box.
  • the draft in crossing the grate and passing through the fire bed carries with it, the hot fumes of combustion. These fumes must pass up and around the inner shell and downwardly to reach the flue opening at the lower portion of the outer shell and at the back portion thereof. Thus, the heat has time to radiate to an efiicient extent.
  • a stove comprising an outer shell having an air inlet opening at the lower portion thereof and an air outlet opening at the upper portion thereof, an inner shell located within the outer shell and being spaced at its sides and top from the outer shell to define an air passageway from the air inlet opening to the air outlet opening, a fire and fuel storage box located within the inner shell and being spaced at its sides and top from said inner shell to define a passageway for the invention, what is hot products of combustion, a vertically disposed;
  • partition in the space between the box and the inner shell, extending downwardly from the top of the inner shell and having an opening at its lower end, said partition being spaced both from the inner shell and the box to define a tortuous passageway for the hot products of combustion, an outlet pipe extending from the upper portion of the inner shell in opposed relation to the upper portion of the partition, a grate in the lower portion of the box, the side portion of the box opposite from the side to which the partition is opposed being formed with a hot products of combustion outlet.

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  • Solid-Fuel Combustion (AREA)

Description

March 28, 1944.
I H. B. CROWELL SELF-FEEDING STOVE Filed April 14, 1941 2 Sheets-Sheet 1 H: m E).
C rouge LL I Attorney March 28, 1944.
H. B. CROWELL SELF-FEEDING STOVE 2 Sheets-Sheet 2 Filed April 14, 1941 lure/11m- A Nor/14g Patented Mar. 28, 1944 UNITED STATES PATENT OFFICE 1 Claim.
This invention relates to new and useful improvements in stoves and a specially wood-burning stove, the principal object of the invention being to provide a stove constructed in such a manner that the stove can be stocked with fuel which will feed downwardly into the fire area or draft line as the underlying fuel is consumed.
Another important object of the invention is to provide a stove construction which will burn fuel over a considerable period of time without restocking or replenishment of the fuel.
Qther objects and advantages of the invention will become apparent to the reader of the following specification.
In the drawings:
Figure 1 represents a top plan view of the stove.
Figure 2 is a vertical sectional view through the stove.
Figure 3 is a horizontal sectional view taken substantially on the line 33 of Figure 2.
Referring to the drawings wherein like numerals designate like parts, it can be seen that numeral 5 denotes an outside shell supported by legs 6 and having a perforated top I.
Numeral 8 denotes an inside shell, while inside of the inside shell 8 is a fire and storage box 8 which may have an opening adjacent the top thereof and a door in the upper portion of the shell 5 through which fuel can be inserted.
A vertically disposed partition I is provided in the inner shell 8 adjacent one side thereof to define a passageway II. This partition I9 having an opening l2 adjacent its lower end to communicate the passageway I! with the chamber l3 surrounding the fire and storage box 9. From the upper end of the shell 8 and extending through an opening in the upper portion of the shell and being in communication at its inner end with the passageway H is a line attaching neck l4 having a damper I5 therein.
The lower portion of the box 9 has a grate l6 therein upon which the burning wood I! is located and upon this burning wood is a stock of fuel or wood 18 which will burn as the mass I1 is consumed. This mass I1 is within the path of a draft which extends through openings IS and 20 in diametrically opposite side portions of the box 9. As can be seen in Figures 2 and 3, the inner shell 8 is in spaced relation with respect to the outer shell 5 to define a chamber 2!. Air admission louvres 22 are provided in one side of the outer shell 5 so as to admit air to the chamber 2 I. Additional louvres 23 are provided in the diametrically opposite wall of the shell 5 to also admit air to the chamber 2| and additional air louvres 24 are provided in the upper portion of the shell 5.
It can be seen that air entering the louvres 22,
23 will pass through the opening l9 and through the mass of burning fuel ll, through the opening 25 to the space [3. The hot fumes pass around and over the box 9 and down to the opening 12 in the partition I0, thus conserving as much heat as possible before rising in the space H to the flue attached neck I4, and, of course, this passage of air and hot fumes is regulated by the damper l5, and if desired another damper may be provided at the air admission opening [9 to the fire box.
An ash receiving drawer 25 is provided below the grate l6. Obviously, suitable doors can be provided for the firebox and for the ash drawer 25 as well as for the upper portions of the box 9 so that fuel can be placed in the box.
Obviously, the draft in crossing the grate and passing through the fire bed carries with it, the hot fumes of combustion. These fumes must pass up and around the inner shell and downwardly to reach the flue opening at the lower portion of the outer shell and at the back portion thereof. Thus, the heat has time to radiate to an efiicient extent.
While the foregoing specification sets forth the invention in specific terms, it is to be understood that numerous changes in the shape, size and materials may be resorted to without departing from the spirit and scope of the invention as claimed hereinafter.
Having described the claimed as new is:
A stove comprising an outer shell having an air inlet opening at the lower portion thereof and an air outlet opening at the upper portion thereof, an inner shell located within the outer shell and being spaced at its sides and top from the outer shell to define an air passageway from the air inlet opening to the air outlet opening, a fire and fuel storage box located within the inner shell and being spaced at its sides and top from said inner shell to define a passageway for the invention, what is hot products of combustion, a vertically disposed;
partition in the space between the box and the inner shell, extending downwardly from the top of the inner shell and having an opening at its lower end, said partition being spaced both from the inner shell and the box to define a tortuous passageway for the hot products of combustion, an outlet pipe extending from the upper portion of the inner shell in opposed relation to the upper portion of the partition, a grate in the lower portion of the box, the side portion of the box opposite from the side to which the partition is opposed being formed with a hot products of combustion outlet.
HENRY B. CROWELL.
US2345329D Self-feeding stove Expired - Lifetime US2345329A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4186718A (en) * 1978-01-03 1980-02-05 Goodwin Paul O Stoves
DE3003500A1 (en) * 1980-01-31 1981-08-06 Johannes 8950 Kaufbeuren Straub Stove for burning large fuel pieces - has sloping rods forming fuel supporting grid, with lower ends resting on vibratory member

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4186718A (en) * 1978-01-03 1980-02-05 Goodwin Paul O Stoves
DE3003500A1 (en) * 1980-01-31 1981-08-06 Johannes 8950 Kaufbeuren Straub Stove for burning large fuel pieces - has sloping rods forming fuel supporting grid, with lower ends resting on vibratory member

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