US2703566A - Chimneyless fireplace unit - Google Patents
Chimneyless fireplace unit Download PDFInfo
- Publication number
- US2703566A US2703566A US162972A US16297250A US2703566A US 2703566 A US2703566 A US 2703566A US 162972 A US162972 A US 162972A US 16297250 A US16297250 A US 16297250A US 2703566 A US2703566 A US 2703566A
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- wall
- conduit
- chimneyless
- conduits
- casing
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
- F24B1/00—Stoves or ranges
- F24B1/18—Stoves with open fires, e.g. fireplaces
- F24B1/181—Free-standing fireplaces, e.g. for mobile homes ; Fireplaces convertible into stoves
-
- 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
- F24C15/001—Details arrangements for discharging combustion gases
Definitions
- This invention relates to a chimneyless fireplace, and more particularly to a fireplace unit which can be used in apartment houses and any type of homes and buildings not equipped with a chimney.
- Its principal object is to provide a chimneyless fireplace, which is compact and simple in construction, safe in use, and simple to use.
- Another object of the invention is to provide a chimneyless fireplace construction, having dual conduits and means for creating a draft, filtering out combustion gases, smoke, etc., and discharging clean and non-harmful warm air into the room from both sides thereof.
- Still another object of the invention is to provide a chimneyless fireplace having a novel arrangement and a construction, in which the filter compartments are removable so that the filtering members can be replaced from time to time.
- Still another object of the invention is to provide a chimneyless fireplace composed of an inner section and an outer casing section, the operable parts of the device and conduits being located within said inner section.
- Fig. l is a front perspective view of the fireplace unit
- Fig. 2 is a rear perspective view, showing the inner section separated from the outer casing section, a portion of the said outer casing being broken away for the convenience of illustration;
- Fig. 3 is a sectional view on the line 3-3 of Fig.
- Fig. 4 is a sectional view on the line 4--4 of Fig. 3;
- Fig. 5 is a sectional view on the line 5-5 of Fig. 1.
- the chimneyless fireplace comprises an inner section 10, and an outer casing section 11, the said sections being preferably made of light weight metal.
- the said two sections comprise the unit, and are clearly illustrated in separated position in Fig. 2 of the drawings.
- Inner section is provided with a fire chamber or compartment 12, which as will be observed from Fig. l, is freely accessible from the front of the unit. Wood, coal or other solid fuel is burned in the said fire chamber.
- Inner section 10 is also provided with a front wall 13 which surrounds the front open end of fire chamber 12.
- Narrower wall 13a is positioned on the rear face of said wall 13.
- Rearwardly extending from the top longitudinal edge of said wall 13a and integral therewith, and adjacent and spaced from the top and side edges of the said front wall 13 are the top wall 14 and its integral depending side walls 15.
- Spaced from and within said top wall 14 and side walls 15 are the walls 14a and 15a.
- Fire chamber or compartment 12 has a bottom wall 16, side walls 17, and an inclined top wall 18 and a rear wall 19. All of the said walls of the said fire chamber project beyond walls 13a, 14, 15, 14a and 15a.
- a depending rear wall 20 and integral side walls 21 close the space between the walls 13a, 14, 15, 14a and 15a forming the complementary combustion compartments or conduits A and B, as will now be more fully described.
- FIG. 3 upper wall 18 of fire chamber 12 is slotted at 22.
- wall 14a is similarly slotted at 22a, the said slots being in superposed alinement.
- a centrally located dividing plate 23 divides the spaces between walls 13, 13a, 14, 15, 14a, 15a, 20 and 21 into two complementary inverted L-shaped combustion compartments or conduits A and B.
- Each said conduit is square in cross-section, as shown in Figs. 4 and 5.
- Plate 23 depends from wall 14a and divides slots 22 and 22a into two parts.
- conduit A wil be identical with the description of conduit B, save that one conduit will be located on the left hand side of the unit, and the other conduit on the right hand side thereof.
- Conduits A and B are each provided with a plurality of vertically depending and spaced baflle plates 24 and 25 respectively and also with a plurality of upwardly extending and spaced baflle plates 24a and 25a respectively at the horizontal portions 26 and 27 thereof, respectively. Baifie plates 24 and 25 depend from top wall 14, and baffle plates 24a and 25a project upwardly from wall 14a.
- each said vertical portion 28 and 29 communicates with a depending vertical portion 28, and the upper horizontal portion 27 of conduit B likewise communicates with a depending vertical portion 29.
- a blower 30 and 31 respectively, adjacent the lower end thereof for creating a draft in conduits A and B.
- a small filter compartment 32 and 33 Positioned below each said blower is respectively a small filter compartment 32 and 33. As shown in Fig. 1, each said filter compartment 32 and 33 is removable through a rectangular opening on both sides in front Wall 13, adjacent the front side edges of fire chamber 12.
- each said compartment 32 and 33 is located in each said compartment 32 and 33,
- filter members F which are replaceable whenever de-' sired.
- the lower end of the vertical portions 28 and 29 of conduits A and B project laterally and each terminates in a square-shaped opening 34.
- motors M are mounted on brackets BR on each side wall 17 of the fire chamber 12.
- the said motors M are electrically connected to drive the blowers 30 and 31.
- Fig. 4 shows the connection of one such motor M with the blower 31.
- Outer casing section 11 comprises the top wall 35, side walls 36 and rear wall 37.
- the front of said section is completely open so that it can be readily assembled with inner section 10.
- An air vent 38 is provided in top wall 35.
- a grill 39 is provided at the lower corner of each side wall 36.
- each said grill 39 is provided with a plurality of vla nesi 40, the said vanes being difierently angularly incme
- Fig. 2 In the assembled position of Fig. 1, it will be observed that the top and bottom edges of front wall 13 of section 10 are contiguous with the free top and side edges of walls 35 and 36 of outer casing section 11. It will be further noted that each grill 39 is alined with each lower opening 34 of conduits A and B, and that save for front wall 13 inner section 10 is located wholly within outer casing section 11.
- the unit is provided with a switch 41, operatively connected, for varying the speed of blowers 30 and 31.
- the said switch is positioned on front wall 13 adjacent the top edge thereof.
- the fire is made in fire chamber 12, the solid fuel resting on bottom wall 16 of said fire chamber.
- the smoke, combustion gases, etc. are then drawn into conduits A and B through opening 22 in top wall 18, as shown by the large arrows. This is accomplished by turning on switch 41, and operating blowers 30 and 31 at the desired speed which creates a draft in each of said conduits.
- the smaller arrows show the path of travel of the smoke, combustion gases, etc. being drawn around bafile plates 24, 24a, 25 and 25a in the horizontal portions 26 and 27 of conduits A and B respectively.
- the bafiie plates serve to deflect and catch thereon fly ash, soot, etc.
- the smoke and gases then pass into the vertical portions 28 and 29 of conduits A and B and through the filters F located in the filter compartments 32 and 33, where the gases, smoke, etc. are filtered out.
- the bottom wall of filter compartments 32 and 33 is provided with a plurality of Therefore, a description of spaced slats S, so that the filtered air can pass therethrough, into the lower parts of conduits A and B, and out of the unit through openings 34 and grills 39.
- the vanes 40 deflect the warm air at different angles into the room.
- a chimneyless fireplace unit for the combustion of solid fuels comprising a casing having a front wall formed with an opening, a fire box in said casing registering with the opening which defines an open front for the fire box, a draft conduit extending horizontally along the top and vertically down one side of the fire box, said casing having a side wall formed with an outlet communicating with the conduit and said fire box having an opening communicating with the conduit, means mounted in the vertical portion of the conduit for inducing a draft through the conduit from the fire box to the outlet, said front wall of the casing and the adjoining wall of the vertical portion of the conduit having registering openings, a basket slidably disposed through said openings and transversely positioned in the vertical portion of the conduit below the draft inducing means and between the casing side wall outlet and the fire box opening communicating with the draft conduit, said basket having a wall enclosing the opening in the front wall of the casing, a bed of filtering material in said basket through which the products of combustion from the fire box flow to the outlet, and ba
- a chimneyless fireplace unit for the combustion of solid fuels comprising a casing having opposing side walls and a front wall formed with a center opening and a fire box registering with the opening, which defines an open front for the fire box, said fire box having top, bottom, back and side walls connected to the inside of the front wall of the casing at the bounding edges of the opening in the front wall, a draft conduit horizontally overlying the top wall of the fire box and vertically extending down along the sides thereof and terminating in outlet ends, said side walls of the casing having outlets communicating with the outlet ends of the conduit, said horizontal portion of the conduit having a transverse partition dividing the conduit into inverted L shaped sections, said top wall of the fire box having openings communicating the fire box with each section of the conduit, draft inducing fans mounted in the vertical portion of each section of the conduit between the outlets in the side walls of the casing and the fire box openings communicating with the sections of the conduits, baflle means formed in the horizontal portions of the sections to provide a tortuous path for the products of
Description
March 1955 L. FOGEL ETAL 2,703,566
CHIMNEYLESS FIREPLACE UNIT Filed May 1 1950 2 Sheets-Sheet 1 ATTORNEYS March 8, 1955 L. FOGEL ETAL CHIMNEYLESS FIREPLACE UNIT 2 Sheets-Sheet 2 Filed May 19. 1950 no.5. r55
INVENTOR vLLOYL" F00:
i=1. BY Awou-EL z. ATTORNEY United States Patent CHIMNEYLESS FlREPLACE UNIT Lloyd Fogel, Levittown, and Alfred Fogel, New York, N. Y.
Application May 19, 1950, Serial No. 162,972
2 Claims. (Cl. 126-120) This invention relates to a chimneyless fireplace, and more particularly to a fireplace unit which can be used in apartment houses and any type of homes and buildings not equipped with a chimney.
Its principal object is to provide a chimneyless fireplace, which is compact and simple in construction, safe in use, and simple to use.
Another object of the invention is to provide a chimneyless fireplace construction, having dual conduits and means for creating a draft, filtering out combustion gases, smoke, etc., and discharging clean and non-harmful warm air into the room from both sides thereof.
Still another object of the invention is to provide a chimneyless fireplace having a novel arrangement and a construction, in which the filter compartments are removable so that the filtering members can be replaced from time to time.
Still another object of the invention is to provide a chimneyless fireplace composed of an inner section and an outer casing section, the operable parts of the device and conduits being located within said inner section.
Other objects of the invention will be apparent from the following description and drawings which illustrate a preferred embodiment of the invention.
In the drawing:
Fig. l is a front perspective view of the fireplace unit,
one of the filter compartments being shown removed from the unit;
Fig. 2 is a rear perspective view, showing the inner section separated from the outer casing section, a portion of the said outer casing being broken away for the convenience of illustration;
Fig. 3 is a sectional view on the line 3-3 of Fig.
Fig. 4 is a sectional view on the line 4--4 of Fig. 3; and
Fig. 5 is a sectional view on the line 5-5 of Fig. 1.
Referring to the drawings, the chimneyless fireplace comprises an inner section 10, and an outer casing section 11, the said sections being preferably made of light weight metal. The said two sections comprise the unit, and are clearly illustrated in separated position in Fig. 2 of the drawings.
Inner section is provided with a fire chamber or compartment 12, which as will be observed from Fig. l, is freely accessible from the front of the unit. Wood, coal or other solid fuel is burned in the said fire chamber.
As clearly shown in Fig. 3, upper wall 18 of fire chamber 12 is slotted at 22. Likewise wall 14a is similarly slotted at 22a, the said slots being in superposed alinement. A centrally located dividing plate 23 divides the spaces between walls 13, 13a, 14, 15, 14a, 15a, 20 and 21 into two complementary inverted L-shaped combustion compartments or conduits A and B. Each said conduit is square in cross-section, as shown in Figs. 4 and 5. Plate 23 depends from wall 14a and divides slots 22 and 22a into two parts. conduit A wil be identical with the description of conduit B, save that one conduit will be located on the left hand side of the unit, and the other conduit on the right hand side thereof. Conduits A and B are each provided with a plurality of vertically depending and spaced baflle plates 24 and 25 respectively and also with a plurality of upwardly extending and spaced baflle plates 24a and 25a respectively at the horizontal portions 26 and 27 thereof, respectively. Baifie plates 24 and 25 depend from top wall 14, and baffle plates 24a and 25a project upwardly from wall 14a.
The upper horizontal portion 26 of conduit A communicates with a depending vertical portion 28, and the upper horizontal portion 27 of conduit B likewise communicates with a depending vertical portion 29. There is located in each said vertical portions 28 and 29, a blower 30 and 31 respectively, adjacent the lower end thereof for creating a draft in conduits A and B. Positioned below each said blower is respectively a small filter compartment 32 and 33. As shown in Fig. 1, each said filter compartment 32 and 33 is removable through a rectangular opening on both sides in front Wall 13, adjacent the front side edges of fire chamber 12. There is located in each said compartment 32 and 33,
filter members F which are replaceable whenever de-' sired. The lower end of the vertical portions 28 and 29 of conduits A and B project laterally and each terminates in a square-shaped opening 34.
It will be noted from Fig. 2 that motors M are mounted on brackets BR on each side wall 17 of the fire chamber 12. The said motors M are electrically connected to drive the blowers 30 and 31. Fig. 4 shows the connection of one such motor M with the blower 31.
Outer casing section 11 comprises the top wall 35, side walls 36 and rear wall 37. The front of said section is completely open so that it can be readily assembled with inner section 10. An air vent 38 is provided in top wall 35. In addition, a grill 39 is provided at the lower corner of each side wall 36. As clearly shown in Fig. 3, each said grill 39 is provided with a plurality of vla nesi 40, the said vanes being difierently angularly incme For the assembly of inner section 10 with outer casing section 11, reference is made to Fig. 2. In the assembled position of Fig. 1, it will be observed that the top and bottom edges of front wall 13 of section 10 are contiguous with the free top and side edges of walls 35 and 36 of outer casing section 11. It will be further noted that each grill 39 is alined with each lower opening 34 of conduits A and B, and that save for front wall 13 inner section 10 is located wholly within outer casing section 11.
As shown in Figs. 1 and 2, the unit is provided with a switch 41, operatively connected, for varying the speed of blowers 30 and 31. The said switch is positioned on front wall 13 adjacent the top edge thereof.
The operation of the unit is as follows:
The fire is made in fire chamber 12, the solid fuel resting on bottom wall 16 of said fire chamber. The smoke, combustion gases, etc. are then drawn into conduits A and B through opening 22 in top wall 18, as shown by the large arrows. This is accomplished by turning on switch 41, and operating blowers 30 and 31 at the desired speed which creates a draft in each of said conduits. The smaller arrows show the path of travel of the smoke, combustion gases, etc. being drawn around bafile plates 24, 24a, 25 and 25a in the horizontal portions 26 and 27 of conduits A and B respectively. The bafiie plates serve to deflect and catch thereon fly ash, soot, etc.
The smoke and gases then pass into the vertical portions 28 and 29 of conduits A and B and through the filters F located in the filter compartments 32 and 33, where the gases, smoke, etc. are filtered out.
As shown in Fig. 3, the bottom wall of filter compartments 32 and 33 is provided with a plurality of Therefore, a description of spaced slats S, so that the filtered air can pass therethrough, into the lower parts of conduits A and B, and out of the unit through openings 34 and grills 39. There by, there is presented to the room hot or warm air, from which there has been removed the harmful and noxious gases, etc. The vanes 40 deflect the warm air at different angles into the room.
There has been illustrated and described a preferred embodiment of the invention, but it is obvious that numerous omissions, changes and additions may be made without departing from the spirit and scope of the invention. It is not desired to be limited to any specific arrangement of the various members that comprise the unit.
What is claimed is:
1. A chimneyless fireplace unit for the combustion of solid fuels comprising a casing having a front wall formed with an opening, a fire box in said casing registering with the opening which defines an open front for the fire box, a draft conduit extending horizontally along the top and vertically down one side of the fire box, said casing having a side wall formed with an outlet communicating with the conduit and said fire box having an opening communicating with the conduit, means mounted in the vertical portion of the conduit for inducing a draft through the conduit from the fire box to the outlet, said front wall of the casing and the adjoining wall of the vertical portion of the conduit having registering openings, a basket slidably disposed through said openings and transversely positioned in the vertical portion of the conduit below the draft inducing means and between the casing side wall outlet and the fire box opening communicating with the draft conduit, said basket having a wall enclosing the opening in the front wall of the casing, a bed of filtering material in said basket through which the products of combustion from the fire box flow to the outlet, and baffie means mounted in the horizontal portion of the conduit to provide a tortuous path for the products of combustion from the fire box.
2. A chimneyless fireplace unit for the combustion of solid fuels comprising a casing having opposing side walls and a front wall formed with a center opening and a fire box registering with the opening, which defines an open front for the fire box, said fire box having top, bottom, back and side walls connected to the inside of the front wall of the casing at the bounding edges of the opening in the front wall, a draft conduit horizontally overlying the top wall of the fire box and vertically extending down along the sides thereof and terminating in outlet ends, said side walls of the casing having outlets communicating with the outlet ends of the conduit, said horizontal portion of the conduit having a transverse partition dividing the conduit into inverted L shaped sections, said top wall of the fire box having openings communicating the fire box with each section of the conduit, draft inducing fans mounted in the vertical portion of each section of the conduit between the outlets in the side walls of the casing and the fire box openings communicating with the sections of the conduits, baflle means formed in the horizontal portions of the sections to provide a tortuous path for the products of combustion, said front wall of the casing having openings formed therein on opposite sides of the center opening and the adjoining outer wall of the vertical portion of each conduit section having an opening registering with one of such openings in the front wall of the casing, baskets slidably disposed through said openings and transversely positioned in the vertical portion of each conduit sectionbelow the fans therein and between the fans and the outlets in the side walls of the casing, and a removable bed of filtering material in each basket through which the products of combustion flow.
References Cited in the file of this patent UNITED STATES PATENTS 124,097 Taylor Feb. 27, 1872 955,886 Laughlin Apr. 26, 1910 1,246,273 Ivor Nov. 13, 1917 1,301,324 Schlatter Apr. 22, 1919 1,349,862 Tate Aug. 17, 1920 1,371,693 Kraft Mar. 15, 1921 1,500,586 Jordahl July 8, 1924 1,604,062 Miller Oct. 19, 1926 1,733,187 Edson Oct. 29, 1929 1,752,007 Kline Mar. 25, 1930 1,850,822 Young Mar. 22, 1932 2,016,701 Bartlebaugh Oct. 8, 1935 2,131,763 Sroat Oct. 4, 1938 2,318,393 Honerkamp May 4, 1943 FOREIGN PATENTS 57,198 Australia Jan. 10, 1913
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US162972A US2703566A (en) | 1950-05-19 | 1950-05-19 | Chimneyless fireplace unit |
Applications Claiming Priority (1)
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US162972A US2703566A (en) | 1950-05-19 | 1950-05-19 | Chimneyless fireplace unit |
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US2703566A true US2703566A (en) | 1955-03-08 |
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US162972A Expired - Lifetime US2703566A (en) | 1950-05-19 | 1950-05-19 | Chimneyless fireplace unit |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3085564A (en) * | 1960-10-13 | 1963-04-16 | Gerald A Weimer | Heating systems |
US3910252A (en) * | 1973-02-23 | 1975-10-07 | Droff Cheminees | Open hearth-room-heating devices working on closed circuit |
EP0004235A1 (en) * | 1978-03-07 | 1979-09-19 | CHEMINEES RICHARD LE DROFF Société anonyme dite: | Apparatus with open firing |
US4169458A (en) * | 1977-05-06 | 1979-10-02 | Shaw's Modular Fireplaces, Ltd. | Zero clearance fireplace type heating device |
US4231349A (en) * | 1978-11-13 | 1980-11-04 | Keith Livesay | Fireplace heat exchanger unit |
US4352454A (en) * | 1980-09-09 | 1982-10-05 | Ewing James P | Wood burning heater |
EP0090419A1 (en) * | 1982-03-31 | 1983-10-05 | Hans-Ludwig Schirneker | Fuel element for open-fire places |
US5566667A (en) * | 1995-07-24 | 1996-10-22 | Cox; Jennifer | Smoke filter with automated clogging prevention for open-hearth fireplaces |
WO2002068874A1 (en) * | 2001-02-27 | 2002-09-06 | Giuseppe Arena | Suction system |
US6666206B1 (en) * | 2002-05-16 | 2003-12-23 | Shelton Gene Myrick | Fireplace insert |
Citations (14)
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US124097A (en) * | 1872-02-27 | Improvement in gas-stoves | ||
US955886A (en) * | 1908-10-15 | 1910-04-26 | Elmyr A Laughlin | Pneumatic cleaner. |
US1246273A (en) * | 1917-03-03 | 1917-11-13 | Barry Ivor | Odorless and humidity-supplying gas heating-stove. |
US1301324A (en) * | 1918-11-29 | 1919-04-22 | Schlatter Frorath Co | Device for producing hot air. |
US1349862A (en) * | 1918-03-04 | 1920-08-17 | John C Tate | Gas-burning heater |
US1371693A (en) * | 1918-10-10 | 1921-03-15 | Kraft Harry | Heater |
US1500586A (en) * | 1923-02-10 | 1924-07-08 | Jordahl Anders | Air filter |
US1604062A (en) * | 1925-09-26 | 1926-10-19 | Dana O Miller | Attachment for stoves |
US1733187A (en) * | 1928-04-02 | 1929-10-29 | Frank G Edson | Heating system |
US1752007A (en) * | 1928-07-21 | 1930-03-25 | Henry B Harrington | Attachment for gas heaters |
US1850822A (en) * | 1930-10-10 | 1932-03-22 | Fred M Young | Air director vane for unit heaters |
US2016701A (en) * | 1934-01-06 | 1935-10-08 | Benjamin C Bartlebaugh | Air filter for gas heaters |
US2131763A (en) * | 1936-10-19 | 1938-10-04 | Heat Rite Fireplace Inc | Fireplace contained air circulating heater |
US2318393A (en) * | 1940-02-29 | 1943-05-04 | Anemostat Corp America | Heat exchange apparatus |
-
1950
- 1950-05-19 US US162972A patent/US2703566A/en not_active Expired - Lifetime
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US124097A (en) * | 1872-02-27 | Improvement in gas-stoves | ||
US955886A (en) * | 1908-10-15 | 1910-04-26 | Elmyr A Laughlin | Pneumatic cleaner. |
US1246273A (en) * | 1917-03-03 | 1917-11-13 | Barry Ivor | Odorless and humidity-supplying gas heating-stove. |
US1349862A (en) * | 1918-03-04 | 1920-08-17 | John C Tate | Gas-burning heater |
US1371693A (en) * | 1918-10-10 | 1921-03-15 | Kraft Harry | Heater |
US1301324A (en) * | 1918-11-29 | 1919-04-22 | Schlatter Frorath Co | Device for producing hot air. |
US1500586A (en) * | 1923-02-10 | 1924-07-08 | Jordahl Anders | Air filter |
US1604062A (en) * | 1925-09-26 | 1926-10-19 | Dana O Miller | Attachment for stoves |
US1733187A (en) * | 1928-04-02 | 1929-10-29 | Frank G Edson | Heating system |
US1752007A (en) * | 1928-07-21 | 1930-03-25 | Henry B Harrington | Attachment for gas heaters |
US1850822A (en) * | 1930-10-10 | 1932-03-22 | Fred M Young | Air director vane for unit heaters |
US2016701A (en) * | 1934-01-06 | 1935-10-08 | Benjamin C Bartlebaugh | Air filter for gas heaters |
US2131763A (en) * | 1936-10-19 | 1938-10-04 | Heat Rite Fireplace Inc | Fireplace contained air circulating heater |
US2318393A (en) * | 1940-02-29 | 1943-05-04 | Anemostat Corp America | Heat exchange apparatus |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3085564A (en) * | 1960-10-13 | 1963-04-16 | Gerald A Weimer | Heating systems |
US3910252A (en) * | 1973-02-23 | 1975-10-07 | Droff Cheminees | Open hearth-room-heating devices working on closed circuit |
US4169458A (en) * | 1977-05-06 | 1979-10-02 | Shaw's Modular Fireplaces, Ltd. | Zero clearance fireplace type heating device |
EP0004235A1 (en) * | 1978-03-07 | 1979-09-19 | CHEMINEES RICHARD LE DROFF Société anonyme dite: | Apparatus with open firing |
FR2419468A1 (en) * | 1978-03-07 | 1979-10-05 | Droff Cheminees | LIVE COMBUSTION APPLIANCE |
US4231349A (en) * | 1978-11-13 | 1980-11-04 | Keith Livesay | Fireplace heat exchanger unit |
US4352454A (en) * | 1980-09-09 | 1982-10-05 | Ewing James P | Wood burning heater |
EP0090419A1 (en) * | 1982-03-31 | 1983-10-05 | Hans-Ludwig Schirneker | Fuel element for open-fire places |
US5566667A (en) * | 1995-07-24 | 1996-10-22 | Cox; Jennifer | Smoke filter with automated clogging prevention for open-hearth fireplaces |
WO2002068874A1 (en) * | 2001-02-27 | 2002-09-06 | Giuseppe Arena | Suction system |
US6666206B1 (en) * | 2002-05-16 | 2003-12-23 | Shelton Gene Myrick | Fireplace insert |
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