US2713301A - Sheet metal chimney construction - Google Patents
Sheet metal chimney construction Download PDFInfo
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- US2713301A US2713301A US352194A US35219453A US2713301A US 2713301 A US2713301 A US 2713301A US 352194 A US352194 A US 352194A US 35219453 A US35219453 A US 35219453A US 2713301 A US2713301 A US 2713301A
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- pipe
- casing
- chimney
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
- F23L17/02—Tops for chimneys or ventilating shafts; Terminals for flues
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
Definitions
- This invention relates to building construction, and more particularly to chimney structures.
- a conventional brick chimney is one of the most expensive items which enter into the cost of building moderate priced homes, and many attempts have been made to reduce the cost by substituting pipes or fiues of metal or other material for the usual brick or masonry construction.
- An object of the present invention is to provide an improved metal chimney structure in which the flue carrying the hot products of combustion is spaced from all wooden parts of the building and is wholly insulated therefrom by a flowing curtain of cool air.
- Another object is to provide an improved arrangement of this kind in which the cooling air is drawn either from the outside, or from the attic space of the house, or both.
- Still another object of the invention is to devise a metal structure of the above character so designed as to closely simulate the appearance of a conventional chimney.
- Yet another object is to provide improved means for supporting the plurality of concentric pipes which I employ, so that they may be readily assembled and installed.
- a still further object of the invention is to devise fanoperated ventilating means, enclosed within my improved chimney structure, by which air may be drawn out either from the attic space, or from some other space below the ceiling, or both, as desired.
- Fig. l is a vertical section through the roof of a building with my improved chimney structure installed therein, parts being in elevation;
- Fig. 2 is a fragmentary similar view, showing a modified arrangement
- Fig. 3 is a horizontal section substantially on the line 3- -3, of Fig. 1.
- 1 designates the roof of a house, supported on the usual rafters 2. At any suitable point, preferably near the ridge of this roof, is formed an opening 3 surrounded by a frame collar 4.
- This smoke pipe 7 is surrounded by an intermediate pipe 8 which is spaced from the smoke pipe and extends a substantial distance above it.
- the third or outer pipe 9 surrounds and is spaced from the intermediate pipe, and the upper end of this outer pipe terminates well below the upper end of the intermediate pipe 8.
- a plate 10 located just below the ceiling 5 is secured to straps 11 which extend through the ceiling and are anchored at 12 to the upper edge of adjacent joists 6.
- a circular plate 10 of insulating material fits within the outer pipe 9 and rests upon the plate 10 and may be fastened to it and the straps 11 as at 10*.
- a third and smaller annular plate 10 rests upon the insulating plate 10 and snugly surrounds the smoke pipe 7.
- This pipe is formed with an annular bead 13 which engages and rests upon the top of the plate 10.
- the insulating plate 10 prevents heat from being conducted from the smoke pipe to the outer pipe.
- the intermediate pipe 8 preferably terminates a short distance above the plate 10 and is supported thereon by means of legs or brackets 14.
- the smoke pipe and intermediate pipe can be assembled and placed in position from above, and all three pipes are carried by the straps 11 supported on the joists 6.
- a chimney casing 15 of rectangular shape in cross section, as shown in Fig. 3.
- This chimney casing is preferably made of sheet metal and is provided at its lower edges with flanges 15 overlapping the roofing material and serving as flashing. At its upper end the casing may be turned over to provide outwardly extending flanges 15 constituting soot deflectors.
- a diaphragm or partition 16 Extending across the chimney casing is a diaphragm or partition 16 which serves to close the opening 3 in the roof.
- the intermediate pipe 8 extends up through this partition and makes a tight joint therewith.
- the side walls of the chimney casing 15 are provided with louvres forming openings 17 through which outside air may enter the casing.
- an antidowndraft rain cap 18 mounted on the casing as by means of brackets 19 and having a peripheral down turned flange 18 space is provided between the flanges 15 and 18 to permit the free escape of gases.
- the space between the roof 1 and ceiling 5 constitutes an attic space, which, as is well known, tends to accumulate heated air, and one of the objects of the present invention is to provide means for withdrawing suchheated air from the attic space.
- Fig. 1 it will be seen that the upper end of the outer pipe 9 is in direct communication with this attic space through the opening 3.
- Hot products of combustion flowing upwardly through the smoke pipe 7 tend to set up an ejector action in the intermediate pipe and thus to create a partial vacuum within that pipe.
- Fresh air from the outside thereupon enters the chirnney casing through the openings 17 and is thence drawn downwardly through the space between the outer and intermediate pipes. This air then flows under the lower edge of the intermediate pipe and is thence forced upwardly through the space between the intermediate pipe and the smoke pipe.
- air from the attic space is also drawn down-
- the rain cap is so positioned that a suitable wardly through the outer pipe 9 and follows the same course.
- the mixture of air and combustion gases is discharged from the upper end of the intermediate pipe at a point above the partition 16, and thence escapes under and around the edges of the rain cap 18.
- I may in some cases provide a conduit 23' extending downwardly from the fan housing 21 into and through the attic space as shown in Fig. 2.
- An inlet 24,,opening into the attic space is provided and may be controlled by a valve or damper 25, while the conduit may extend down through the ceiling intojsome room, such as bathroom or kitchen, which it is desired to ventilate, and may be controlled by a valve or damper 26.
- the valve 25 is opened and the valve 26 closed, while, if it is desired to draw air from the lower room,
- valve 25 is closed and the valve 26 opened.
- a building construction the combination with a roof having an opening, of a smoke pipe extending downwardly from said opening into the building, an intermediate pipe surrounding and spaced from said smoke pipe and extending substantially above the upper end thereof, an imperforate outer pipe surrounding and spaced from said intermediate pipe, the upper end of said outer pipe terminating at a point well below the upper end of said intermediate pipe and the lower end of said outer pipe extending below the lower end of said intermediate pipe and being sealed to said smoke pipe, means at the lower end of said intermediate pipe establishing a passageway between the space between .said intermediate and outer'pipes and the space between said intermediate and V smoke pipes, a chimney casing, rectangular in cross-section, supported on and projecting above said roof, said casing.
- said casing having openings in its side wall at a point above the upper end of said outer pipe and below the upper end of said intermediate pipe, through which openings outside air may enter the upper open end of said outside pipe and flow downwardly through the annular space between said outside and said intermediate pipes, and thence through said passageway at the lower end of said intermediate pipe into the annular space between said intermediate pipe and said smoke pipe, and means for preventing outside air from entering the space between said intermediate and outer pipes except through said openings in the side Wall of the chimney casing, and an anti-down draft rain cap mounted at the top of the chimney casing and supported in spaced relation thereto.
- said casing covering said opening and enclosing the upper ends of all of said pipes so that the interior of said casing and the upper end of said outer pipe are in communication with said attic space, a horizontal partition extending across and-closing said casing at a point intermediate its height and above the upper end of said outer pipe, said intermediate pipe passing up through said partition, and said casing having openings in its side walls at a point below said partition, through which openings outside air may enter said casing, whereby such outside air, mixed with air from said attic space, may enter the upper open end.
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- Engineering & Computer Science (AREA)
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- Combustion & Propulsion (AREA)
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Description
July 19, 1955 H. s. MQKANN 2,713,301
SHEET METAL CHIMNEY CONSTRUCTIQN Filed April 30, 1953 INVENTOR Henry S. McKonn ATTORNEYS United States Patent 0 SHEET METAL CHIMNEY CONSTRUCTION Henry S. McKann, Fredericksburg, Va.
Application April 30, 1953, Serial No. 352,194
3 Claims. (CI. 98-46) This invention relates to building construction, and more particularly to chimney structures.
As is well known, a conventional brick chimney is one of the most expensive items which enter into the cost of building moderate priced homes, and many attempts have been made to reduce the cost by substituting pipes or fiues of metal or other material for the usual brick or masonry construction.
One of the chief difficulties about employing metal chimney structures is the fire hazard involved in mounting a smoke pipe close to wooden or other combustible material commonly used in the construction of frame houses.
An object of the present invention is to provide an improved metal chimney structure in which the flue carrying the hot products of combustion is spaced from all wooden parts of the building and is wholly insulated therefrom by a flowing curtain of cool air.
Another object is to provide an improved arrangement of this kind in which the cooling air is drawn either from the outside, or from the attic space of the house, or both.
Still another object of the invention is to devise a metal structure of the above character so designed as to closely simulate the appearance of a conventional chimney.
Yet another object is to provide improved means for supporting the plurality of concentric pipes which I employ, so that they may be readily assembled and installed.
A still further object of the invention is to devise fanoperated ventilating means, enclosed within my improved chimney structure, by which air may be drawn out either from the attic space, or from some other space below the ceiling, or both, as desired.
With the above and other objects in view, and to improve generally upon the details of such equipment,
the invention consists in the construction and combination of parts hereinafter described and claimed, and illustrated in the accompanying drawings, forming part of this specification, and in which:
Fig. l is a vertical section through the roof of a building with my improved chimney structure installed therein, parts being in elevation;
Fig. 2 is a fragmentary similar view, showing a modified arrangement; and
Fig. 3 is a horizontal section substantially on the line 3- -3, of Fig. 1.
Referring to the drawing in detail and first more particularly to Figs. 1 and 3, thereof, 1 designates the roof of a house, supported on the usual rafters 2. At any suitable point, preferably near the ridge of this roof, is formed an opening 3 surrounded by a frame collar 4.
5 designates the usual ceiling of the house and is supported on the customary joists, two of which are shown at 6.
7 designates a smoke pipe or flue carrying the products of combustion from a stove or furnace. This extends downwardly from a point adjacent the opening 3 in the roof to a point below the ceiling 5.
This smoke pipe 7 is surrounded by an intermediate pipe 8 which is spaced from the smoke pipe and extends a substantial distance above it.
The third or outer pipe 9 surrounds and is spaced from the intermediate pipe, and the upper end of this outer pipe terminates well below the upper end of the intermediate pipe 8.
These three pipes may conveniently be supported as follows. A plate 10, located just below the ceiling 5 is secured to straps 11 which extend through the ceiling and are anchored at 12 to the upper edge of adjacent joists 6. A circular plate 10 of insulating material fits within the outer pipe 9 and rests upon the plate 10 and may be fastened to it and the straps 11 as at 10*. A third and smaller annular plate 10 rests upon the insulating plate 10 and snugly surrounds the smoke pipe 7. This pipe is formed with an annular bead 13 which engages and rests upon the top of the plate 10. Thus the smoke pipe is also supported by the plates 10 and 10 The insulating plate 10 prevents heat from being conducted from the smoke pipe to the outer pipe.
The intermediate pipe 8 preferably terminates a short distance above the plate 10 and is supported thereon by means of legs or brackets 14. Thus the smoke pipe and intermediate pipe can be assembled and placed in position from above, and all three pipes are carried by the straps 11 supported on the joists 6.
Supported on the roof and enclosing the opening 3 and the outer and intermediate pipes above described is a chimney casing 15 of rectangular shape in cross section, as shown in Fig. 3. This chimney casing is preferably made of sheet metal and is provided at its lower edges with flanges 15 overlapping the roofing material and serving as flashing. At its upper end the casing may be turned over to provide outwardly extending flanges 15 constituting soot deflectors.
Extending across the chimney casing is a diaphragm or partition 16 which serves to close the opening 3 in the roof. The intermediate pipe 8 extends up through this partition and makes a tight joint therewith.
At a point below the partition 16 and above the upper end of the outer pipe 9 the side walls of the chimney casing 15 are provided with louvres forming openings 17 through which outside air may enter the casing.
Mounted at the top of the chimney casing is an antidowndraft rain cap 18 supported on the casing as by means of brackets 19 and having a peripheral down turned flange 18 space is provided between the flanges 15 and 18 to permit the free escape of gases.
The space between the roof 1 and ceiling 5 constitutes an attic space, which, as is well known, tends to accumulate heated air, and one of the objects of the present invention is to provide means for withdrawing suchheated air from the attic space. By reference to Fig. 1 it will be seen that the upper end of the outer pipe 9 is in direct communication with this attic space through the opening 3.
The operation of the above described arrangement will be apparent. Hot products of combustion flowing upwardly through the smoke pipe 7 tend to set up an ejector action in the intermediate pipe and thus to create a partial vacuum within that pipe. Fresh air from the outside thereupon enters the chirnney casing through the openings 17 and is thence drawn downwardly through the space between the outer and intermediate pipes. This air then flows under the lower edge of the intermediate pipe and is thence forced upwardly through the space between the intermediate pipe and the smoke pipe. At the same time air from the attic space is also drawn down- The rain cap is so positioned that a suitable wardly through the outer pipe 9 and follows the same course.
The mixture of air and combustion gases is discharged from the upper end of the intermediate pipe at a point above the partition 16, and thence escapes under and around the edges of the rain cap 18.
-It;will be observed that the rectangular chimney casing mounted on the roof as shown, simulates'in appearance the conventional brick chimney, and it will be seen that due to the flow of air downwardly and upwardly through the spaces between the several pipes, the outer pipe 9 is maintained relatively cool, and prevented from becoming sutficiently hot, where it comes in contact with the wooden building structure, to create a fire hazard.
In some cases, especially in warm climates, it may be desirable to mount within the chimney casing additional means for withdrawing air from the attic space. This is illustratedas consisting of'an upwardly directed motor driven fan mounted in a housing 21 set into the partition 16, this housing being provided below the fan with suitable air openings 22. When the fan is operating it is obvious that air will be drawn upwardly from the attic space and discharged above the partition 16, so that it escapes from beneath the rain cap 18.
As a modified arrangement, I may in some cases provide a conduit 23' extending downwardly from the fan housing 21 into and through the attic space as shown in Fig. 2. An inlet 24,,opening into the attic space is provided and may be controlled by a valve or damper 25, while the conduit may extend down through the ceiling intojsome room, such as bathroom or kitchen, which it is desired to ventilate, and may be controlled by a valve or damper 26. When it is desired to draw air from the attic space the valve 25 is opened and the valve 26 closed, while, if it is desired to draw air from the lower room,
the valve 25 is closed and the valve 26 opened.
What I claim is:
1 In a building construction, the combination with a roof having an opening, of a smoke pipe extending downwardly from said opening into the building, an intermediate pipe surrounding and spaced from said smoke pipe and extending substantially above the upper end thereof, an imperforate outer pipe surrounding and spaced from said intermediate pipe, the upper end of said outer pipe terminating at a point well below the upper end of said intermediate pipe and the lower end of said outer pipe extending below the lower end of said intermediate pipe and being sealed to said smoke pipe, means at the lower end of said intermediate pipe establishing a passageway between the space between .said intermediate and outer'pipes and the space between said intermediate and V smoke pipes, a chimney casing, rectangular in cross-section, supported on and projecting above said roof, said casing. covering said opening and extending above the upper ends of said intermediate pipe, and said casing having openings in its side wall at a point above the upper end of said outer pipe and below the upper end of said intermediate pipe, through which openings outside air may enter the upper open end of said outside pipe and flow downwardly through the annular space between said outside and said intermediate pipes, and thence through said passageway at the lower end of said intermediate pipe into the annular space between said intermediate pipe and said smoke pipe, and means for preventing outside air from entering the space between said intermediate and outer pipes except through said openings in the side Wall of the chimney casing, and an anti-down draft rain cap mounted at the top of the chimney casing and supported in spaced relation thereto.
2'. In a building construction, the combination with a roof having an opening, of a smoke pipe extending downwardly fromsaid opening into the building, an intermediate pipe surrounding and spaced from said smoke pipe and extending substantially above the upper end thereof, an imperforate outer pipe surrounding and spaced from said intermediate pipe, the upper end of said outer pipe terminating at a point well below the upper end of said intermediate pipe and the lower end of said outer pipe extending below the lower end of said intermediate pipe and being sealed to said smoke pipe, means at the lower end of said intermediate pipe establishing a passageway between the space between said intermediate and outer pipes and the space between said intermediate and smoke pipes, a chimney casing, rectangular in cross-section supported on and projecting above said roof, said casing covering said opening and enclosing the upper ends of said intermediate and outer pipes, and said casing having openings in its side wall at a point above the upper end of said outer pipe, through which openings outside air may enter the upper open end of said outside pipe and flow downwardly through the annular space between said outside and said intermediate pipes, and thence through such passageway at the lower. end of said intermediate pipe into the annular space between said intermediate pipe and said smoke pipe, and
a horizontal partition extending across and closing said open upper end disposed above the same, and an anti-' down draft rain cap mounted at the top ofthe chimney casing above and spaced from said partition, all of the pipes lying entirely below said rain cap.
3. In a building construction, the combination with a roof having an opening, and a ceiling below the roof providing an attic space, of a smoke pipe extending downwardly from said opening through said attic space to a point below said ceiling, an intermediate pipe surrounding and spaced from said smoke pipe,,an imperforate outer pipe surrounding and spaced from said intermediate pipe, the upper end of said intermediate pipe extending to a point well above the upper ends of both said smoke pipe and said outer pipe and the lower end of said outer pipe extending below the lower end of said intermediate pipe and being sealed to said smoke pipe, a chimney casing,
rectangular in cross-section, supported on and projecting above said roof, said casing covering said opening and enclosing the upper ends of all of said pipes so that the interior of said casing and the upper end of said outer pipe are in communication with said attic space, a horizontal partition extending across and-closing said casing at a point intermediate its height and above the upper end of said outer pipe, said intermediate pipe passing up through said partition, and said casing having openings in its side walls at a point below said partition, through which openings outside air may enter said casing, whereby such outside air, mixed with air from said attic space, may enter the upper open end. of said outside pipe and flow I downwardly through the annular space between said outv side and said intermediate pipes, and thence beneath the lower end of said intermediate pipe into the annular space between said intermediate pipe and said smoke pipe, and an anti-down draft rain cap mounted at the top of said chimney casing andspaced therefrom to provide a smoke outlet.
References Cited in the file of this patent UNITED STATES PATENTS
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US352194A US2713301A (en) | 1953-04-30 | 1953-04-30 | Sheet metal chimney construction |
Applications Claiming Priority (1)
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US352194A US2713301A (en) | 1953-04-30 | 1953-04-30 | Sheet metal chimney construction |
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US2713301A true US2713301A (en) | 1955-07-19 |
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US352194A Expired - Lifetime US2713301A (en) | 1953-04-30 | 1953-04-30 | Sheet metal chimney construction |
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Cited By (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2855874A (en) * | 1954-06-30 | 1958-10-14 | John E Miller | Draft control assembly |
US2856837A (en) * | 1955-06-10 | 1958-10-21 | Robert K Thulman | Chimney top |
US2916983A (en) * | 1956-09-19 | 1959-12-15 | William Wallace Company | All purpose flue |
US2976797A (en) * | 1958-09-22 | 1961-03-28 | William S Newbill | Chimney construction |
US3004740A (en) * | 1957-10-11 | 1961-10-17 | Byron D Lane | Hanger for flue pipes |
US3040734A (en) * | 1957-01-28 | 1962-06-26 | Field Amy | Smoke and draft control system for a furnace |
US3049113A (en) * | 1960-04-18 | 1962-08-14 | Sadie Miriam Northwood | Fireplace |
US3063358A (en) * | 1959-05-15 | 1962-11-13 | G C Breidert Co | Roof-type ventilation device |
US3090371A (en) * | 1960-10-10 | 1963-05-21 | Whirlpool Co | Combined baking oven and broiler apparatus |
US3105432A (en) * | 1959-05-15 | 1963-10-01 | Chattanooga Royal Company | Venting and air intake system for heaters |
US3165054A (en) * | 1962-05-31 | 1965-01-12 | Behlen Mfg Company Inc | Material storage means |
US3186330A (en) * | 1962-05-01 | 1965-06-01 | Sr William S Newbill | Supporting base for chimneys |
DE1195928B (en) * | 1957-06-21 | 1965-07-01 | Ing Hans Schindler | Metal pipe chimney |
US3229610A (en) * | 1964-08-28 | 1966-01-18 | Harold W Webster | Attic cooling system |
US3272197A (en) * | 1965-01-04 | 1966-09-13 | Edward L Gordon | Incinerator flue |
US3570423A (en) * | 1969-04-09 | 1971-03-16 | Myron E Hemmingson | Chimney aspirator |
US3574983A (en) * | 1969-02-10 | 1971-04-13 | Peter A Kreider | Cool wall modular chimney |
US3910254A (en) * | 1973-11-28 | 1975-10-07 | Dearborn Glass Co. | Oven door construction |
US4010728A (en) * | 1975-06-02 | 1977-03-08 | American Standard, Inc. | Circulating fireplace system |
US4201121A (en) * | 1978-07-31 | 1980-05-06 | Brandenburg Frank J Jr | Method of venting heat from homes |
US4344370A (en) * | 1980-07-24 | 1982-08-17 | Industrial Air, Inc. | Apparatus for discharging exhaust gas at high velocity |
WO1984000188A1 (en) * | 1982-06-22 | 1984-01-19 | Terje Frank Bru | Chimney flue with ventilator means |
US4757802A (en) * | 1987-09-18 | 1988-07-19 | The Field Controls Company | Power venter |
US4821473A (en) * | 1987-06-08 | 1989-04-18 | Cowell Ernest E | Chimney by-pass |
US4846147A (en) * | 1987-10-05 | 1989-07-11 | Simpson Dura Vent Company, Inc. | Chimney liner system |
US4979343A (en) * | 1984-03-29 | 1990-12-25 | Luciano Baccelliere | Chimney |
US5000161A (en) * | 1974-10-30 | 1991-03-19 | The United States Of America As Represented By The Secretary Of The Navy | Smokestack having reduced IR emission |
US5609522A (en) * | 1995-01-18 | 1997-03-11 | Szwartz; Henry S. | Combination damper and chimney cap apparatus |
FR2791374A1 (en) * | 1999-03-23 | 2000-09-29 | Materiaux De La Nive Atel | Floor passage for building chimney has casing with radial gap to inner joint tube |
US20020100471A1 (en) * | 2001-01-12 | 2002-08-01 | York International Corporation | Device for drawing dilution air |
US20050205079A1 (en) * | 2004-03-19 | 2005-09-22 | Timber Ridge, Inc. | Solid fuel burning furnace having a burn control stack |
NL1038202C2 (en) * | 2010-08-26 | 2012-02-28 | Ontop B V | Device for sealing a flue tube passage around a flue tube. |
EP2239503A3 (en) * | 2009-02-09 | 2014-11-05 | Vaillant GmbH | Apartment ventilation |
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US120031A (en) * | 1871-10-17 | Improvement in chimneys | ||
US142598A (en) * | 1873-09-09 | Improvement in ventilating buildings | ||
US196698A (en) * | 1877-10-30 | Improvement in sectional chimneys | ||
US340299A (en) * | 1886-04-20 | Combined chimney and ventilator | ||
US1328647A (en) * | 1917-03-13 | 1920-01-20 | Carl Reinhold Adolph | Combination-flue |
US2087637A (en) * | 1935-01-07 | 1937-07-20 | Henry J Burt | Ventilating system |
US2130385A (en) * | 1936-05-04 | 1938-09-20 | Fluor Corp | Muffler and ventilator system |
US2358397A (en) * | 1943-04-19 | 1944-09-19 | Ernest O Howle | Means for ventilating attic spaces |
US2372707A (en) * | 1942-04-16 | 1945-04-03 | George S Blome | Smoke pipe assembly |
US2381548A (en) * | 1942-04-29 | 1945-08-07 | American Houses Inc | Chimney construction |
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US120031A (en) * | 1871-10-17 | Improvement in chimneys | ||
US142598A (en) * | 1873-09-09 | Improvement in ventilating buildings | ||
US196698A (en) * | 1877-10-30 | Improvement in sectional chimneys | ||
US340299A (en) * | 1886-04-20 | Combined chimney and ventilator | ||
US1328647A (en) * | 1917-03-13 | 1920-01-20 | Carl Reinhold Adolph | Combination-flue |
US2087637A (en) * | 1935-01-07 | 1937-07-20 | Henry J Burt | Ventilating system |
US2130385A (en) * | 1936-05-04 | 1938-09-20 | Fluor Corp | Muffler and ventilator system |
US2372707A (en) * | 1942-04-16 | 1945-04-03 | George S Blome | Smoke pipe assembly |
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Cited By (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2855874A (en) * | 1954-06-30 | 1958-10-14 | John E Miller | Draft control assembly |
US2856837A (en) * | 1955-06-10 | 1958-10-21 | Robert K Thulman | Chimney top |
US2916983A (en) * | 1956-09-19 | 1959-12-15 | William Wallace Company | All purpose flue |
US3040734A (en) * | 1957-01-28 | 1962-06-26 | Field Amy | Smoke and draft control system for a furnace |
DE1195928B (en) * | 1957-06-21 | 1965-07-01 | Ing Hans Schindler | Metal pipe chimney |
US3004740A (en) * | 1957-10-11 | 1961-10-17 | Byron D Lane | Hanger for flue pipes |
US2976797A (en) * | 1958-09-22 | 1961-03-28 | William S Newbill | Chimney construction |
US3105432A (en) * | 1959-05-15 | 1963-10-01 | Chattanooga Royal Company | Venting and air intake system for heaters |
US3063358A (en) * | 1959-05-15 | 1962-11-13 | G C Breidert Co | Roof-type ventilation device |
US3049113A (en) * | 1960-04-18 | 1962-08-14 | Sadie Miriam Northwood | Fireplace |
US3090371A (en) * | 1960-10-10 | 1963-05-21 | Whirlpool Co | Combined baking oven and broiler apparatus |
US3186330A (en) * | 1962-05-01 | 1965-06-01 | Sr William S Newbill | Supporting base for chimneys |
US3165054A (en) * | 1962-05-31 | 1965-01-12 | Behlen Mfg Company Inc | Material storage means |
US3229610A (en) * | 1964-08-28 | 1966-01-18 | Harold W Webster | Attic cooling system |
US3272197A (en) * | 1965-01-04 | 1966-09-13 | Edward L Gordon | Incinerator flue |
US3574983A (en) * | 1969-02-10 | 1971-04-13 | Peter A Kreider | Cool wall modular chimney |
US3570423A (en) * | 1969-04-09 | 1971-03-16 | Myron E Hemmingson | Chimney aspirator |
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