US20040154610A1 - Flue guard and method of use - Google Patents
Flue guard and method of use Download PDFInfo
- Publication number
- US20040154610A1 US20040154610A1 US10/772,955 US77295504A US2004154610A1 US 20040154610 A1 US20040154610 A1 US 20040154610A1 US 77295504 A US77295504 A US 77295504A US 2004154610 A1 US2004154610 A1 US 2004154610A1
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- United States
- Prior art keywords
- flue
- guard
- side flue
- fins
- building
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- 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
- F23J13/08—Doors or covers specially adapted for smoke-boxes, flues, or chimneys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2900/00—Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes
- F23J2900/13004—Water draining devices associated with flues
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2900/00—Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes
- F23J2900/13005—Protections for chimneys or flue tops against external factors, e.g. birds
Definitions
- the present invention relates to the field of a flue guards and more specifically flue guards used in side mounted flues in cold climates, claiming priority from provisional patent application serial No. 60/444,711, filed Feb. 5, 2003, and entitled FLUE GUARD AND METHOD OF USE.
- vents and covers extends vertically through the roadway or pavement for sewers including a cover with opens through which water may flow and yet keep sticks and animals from entering from the vent, as shown in U.S. Pat. No. 2,524,242.
- a flue guard for side flues that may be positioned so as to avoid ice and contain animals and their nests at a point where they can easily be removed from the side flue.
- the flue guard can be inserted sufficiently far into the side flue so as to avoid ice build-up and yet be reached during maintenance.
- the flue guard is positionable above where water collects in a side flue prior to freezing.
- the present invention is a flue guard for side flues that may be positioned so as to avoid becoming lodged in ice within the side flue and yet contain animals and their nests at a point where they can easily be removed from the side flue.
- the flue guard can be inserted sufficiently far so as to avoid ice build-up and yet be reached during maintenance.
- the flue guard is positionable above where water collects in a side flue prior to freezing.
- the present invention may include use of a tube, side flue, through a wall a building to release gases to the atmosphere outside the building.
- the invention further has a flue guard having a horizontal concentric tube that lies partially or wholly within the vertical wall of a building.
- the flue guard may lie axially rotatable within the side flue.
- the end of the flue guard has a screen which makes it possible to capture and remove the debris left by birds and vermin when the flue guard is removed from the side flue.
- the present flue guar is positionable inside a side flue.
- the present side flue is structured to avoid being stuck in ice that forms in a side flue.
- the present invention is positioned to avoid being stuck in ice that forms in a side flue.
- the flue guard contains animals and their nests at a point where they can be removed from the side flue without dismantling the furnace.
- FIG. 1 is a diagram showing a building with a side mounted flue
- FIG. 2 is a perspective view of a first embodiment of the flue guard of the present invention
- FIG. 3 is a end view of the first embodiment of the flue guard of the present invention.
- FIG. 4 is a perspective view of a second embodiment of the flue guard of the present invention, showing an elongated body
- FIG. 5 is an end view showing either the first or second embodiment of the flue guard of the present invention mounted within a concentric side mounted flue;
- FIG. 6 is an end view showing either the first or second embodiment of the flue guard of the present invention mounted within a non-concentric side mounted flue;
- FIG. 7 is a perspective view of a third embodiment of the flue guard of the present invention, showing a stop joined to a second end of the body;
- FIG. 8 is a partial cross sectional view showing the third embodiment mounted within a concentric flue
- FIG. 9 is a side view of a fourth embodiment of the present invention, showing the body slimmed adjacent the exposed end and the stop replaced with a hook;
- FIG. 10 is a top view of the fourth embodiment first introduced in FIG. 9.
- the present invention is a side mounted flue system including a building 10 and a flue guard 30 .
- the flue guard 30 is specially designed to avoid freeze-up problems that can shut down a furnace, during winter months and control clogging due to animals and birds building nests in the flue system.
- the building 10 may be a house, shed, warehouse or other structure in which a furnace is used to maintain the interior temperature.
- the building 10 has a side flue 12 extending out the side of the building. That is, the side flue extends horizontally out through the side of the building 10 as shown in FIG. 1.
- the side flue 12 may have an end 20 and an interior surface 22 .
- the side flue 12 may be structured in a non-concentric manner such as non-concentric flue 13 shown in FIG. 6.
- the side flue 12 may be concentric, having an inner flue 16 and an outer flue 18 as shown in FIGS. 5 and 8.
- the flue guard 30 may be selectively joined to or adjacent the interior surface 22 of the side flue 12 with the flue guard 30 being positioned predominantly, e.g. entirely or nearly entirely within the side flue 12 .
- the flue guard 30 preferably includes a body 32 with an interior surface 40 , an exterior surface 41 , a first end 44 , a second end 46 , and a channel 42 defined therethrough, extending from the first end 44 to the second end 46 .
- the body 32 may be short as shown in FIG. 2 or of extended length as shown in FIGS. 4, 7, and 8 .
- the flue guard 30 may further include fins 34 joined to the body 32 adjacent the first end 44 and at least one stop 36 joined to the second end 46 of the flue guard 30 .
- the flue guard 30 Alternatively to a cylindrical body 32 , the flue guard 30 , shown in FIGS. 9 and 10, has the body 32 tapered adjacent the second end 46 with the body being C-shaped, e.g. non-contiguous the purpose of which will soon be described.
- the second end 46 is further joined to a hook 50 .
- the hook 50 replaces the function of the stop 36 . That is, the hook 50 is sized and positioned to hook over the flue lip 20 , preventing the flue guard 30 from being pushed too far into the side flue 12 .
- the body 32 is tapered as shown to allow the first end 44 of the flue guard 30 to be positioned sufficiently far into the side flue 12 without unnecessary friction between the flue guard 30 and the side flue 12 , making installation and removal for cleaning easier.
- the body 32 is C-shaped such that the body 32 is above, e.g. does not touch the lower interior surface 22 of the side flue 12 , where water and ice are most likely to collect.
- the flue guard 30 may be structured or adapted to be inserted into the side flue 12 sufficiently far through the side flue 12 and into the building 10 to avoid collecting frozen condensation on the fins 34 in all natural climates.
- the exterior surface of the flue guard 30 may be in circumferential contact with at least a portion of the interior surface 22 of the side flue 12 .
- the side flue 12 and the channel 42 may be positioned in a coaxial manner such that air passing through the side flue 12 simultaneously passes through the channel 42 .
- the fins 34 need to be positioned twelve or more inches within the flue to obtain proper heating.
- the fins 34 should be spaced close enough together to avoid birds and other small animals from going beyond the fins 34 and into the furnace area.
- the fins 34 should be thin enough to not obstruct the flow of exhaust away from the furnace area.
- the stop 36 is of sufficient dimension to engage the end 20 of the side flue 12 to prevent the flue guard 30 from further penetration into the side flue 12 and building 10 . That is, the stop 36 remains accessible such that a user may grasp the stop 36 and pull the flue guard 30 out of the side flue 12 for cleaning and replacement.
- a side flue 12 may be maintained free of debris.
- the user inserts a flue guard 30 through a side flue 12 and into a building 10 .
- the flue guard 30 should be inserted sufficiently far to position fins 34 , which are joined adjacent a first end 44 of the flue guard 30 at a location sufficiently far in the flue 12 to avoid collecting frozen condensation on the fins 34 in all natural climates.
- the further the fins are positioned within the flue 12 and consequently the building 10 the warmer the building 10 will maintain the fins 34 .
- the stop 36 which may be joined to a second end 46 of the flue guard 30 , may be positioned adjacent an end 20 of the side flue 12 .
- the stop at a later date may be grasped to withdraw the flue guard 30 from the side flue 12 .
- the flue guard 30 may be cleaned and washed to remove debris, such as bird and animal nests. After cleaning, the flue guard 30 may be reinserted back into the side flue 12 .
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Catching Or Destruction (AREA)
Abstract
A flue system, which may include a side flue extending horizontally out through a side of a building, the flue guard including a body with an interior surface, an exterior surface, a first end, a second end, and a channel defined therethrough from the first end to the second end, the flue guard further including fins joined to the first end and at least one stop joined to the second end, the stop being of sufficient dimension to engage the end of the side flue and method of maintaining a side flue free of debris, may include the steps of inserting a flue guard through a side flue and into a building sufficiently far to position fins joined on a first end of the flue guard at a location sufficiently far in the flue to avoid collecting frozen condensation on the fins in all natural climates.
Description
- The present invention relates to the field of a flue guards and more specifically flue guards used in side mounted flues in cold climates, claiming priority from provisional patent application serial No. 60/444,711, filed Feb. 5, 2003, and entitled FLUE GUARD AND METHOD OF USE.
- The prior art includes variety of vents and covers. One such vent and cover extends vertically through the roadway or pavement for sewers including a cover with opens through which water may flow and yet keep sticks and animals from entering from the vent, as shown in U.S. Pat. No. 2,524,242.
- Chimney flues also have covers disposed over the vertical chimney flues. See U.S. Pat. No. 4,920,867. Another illustration of a vent that permits gas such as air to pass at least one way vertically through a surface is a roof vent to the sewer and carry away sewer gases. Such vents have been covered with screen to keep birds and vermin out. Illustrative of such prior art is the device of U.S. Pat. No. 6,244,006.
- This has resulted in side flues, which became necessary as furnaces increased in efficiency, not being covered. Vertical flue covers simply are not designed for side flues. The present inventor is unaware of flue guards for side flues either in the market or in the prior art. Animals and birds view the side flues as an excellent place to build a nest. Homeowners have kept the side flues clean, calling in the furnace repairman to dismantle the furnace and remove the nests, which tend to be built in the furnace near combustion of fossil fuels.
- All of such vertical flue covers, while effective for vertical flues are ineffective for horizontal flues. All side flues emit some water vapor, which in cold climates condenses, moves to the bottom of the side flue and starts migrating out of the flue. Some of the water freezes in the process. Flue guards need to avoid being a structure on which ice build up can occur, such that the flue guard does not itself become an obstruction. Animal nest tend to be discovered when the ice may be prevalent, e.g. in the winter when the furnace is being used. A flue guard frozen into the flue is not usable to remove the nests.
- What is needed is a flue guard for side flues that may be positioned so as to avoid ice and contain animals and their nests at a point where they can easily be removed from the side flue. Preferably, the flue guard can be inserted sufficiently far into the side flue so as to avoid ice build-up and yet be reached during maintenance. Preferably, the flue guard is positionable above where water collects in a side flue prior to freezing.
- The present invention is a flue guard for side flues that may be positioned so as to avoid becoming lodged in ice within the side flue and yet contain animals and their nests at a point where they can easily be removed from the side flue. The flue guard can be inserted sufficiently far so as to avoid ice build-up and yet be reached during maintenance. The flue guard is positionable above where water collects in a side flue prior to freezing.
- The present invention may include use of a tube, side flue, through a wall a building to release gases to the atmosphere outside the building. The invention further has a flue guard having a horizontal concentric tube that lies partially or wholly within the vertical wall of a building. The flue guard may lie axially rotatable within the side flue. The end of the flue guard has a screen which makes it possible to capture and remove the debris left by birds and vermin when the flue guard is removed from the side flue.
- Advantageously, the present flue guar is positionable inside a side flue.
- Also advantageously, the present side flue is structured to avoid being stuck in ice that forms in a side flue.
- As still yet another advantage, the present invention is positioned to avoid being stuck in ice that forms in a side flue.
- Further advantageously, the flue guard contains animals and their nests at a point where they can be removed from the side flue without dismantling the furnace.
- FIG. 1 is a diagram showing a building with a side mounted flue;
- FIG. 2 is a perspective view of a first embodiment of the flue guard of the present invention;
- FIG. 3 is a end view of the first embodiment of the flue guard of the present invention;
- FIG. 4 is a perspective view of a second embodiment of the flue guard of the present invention, showing an elongated body;
- FIG. 5 is an end view showing either the first or second embodiment of the flue guard of the present invention mounted within a concentric side mounted flue;
- FIG. 6 is an end view showing either the first or second embodiment of the flue guard of the present invention mounted within a non-concentric side mounted flue;
- FIG. 7 is a perspective view of a third embodiment of the flue guard of the present invention, showing a stop joined to a second end of the body;
- FIG. 8 is a partial cross sectional view showing the third embodiment mounted within a concentric flue;
- FIG. 9 is a side view of a fourth embodiment of the present invention, showing the body slimmed adjacent the exposed end and the stop replaced with a hook; and
- FIG. 10 is a top view of the fourth embodiment first introduced in FIG. 9.
- The present invention is a side mounted flue system including a
building 10 and aflue guard 30. Theflue guard 30 is specially designed to avoid freeze-up problems that can shut down a furnace, during winter months and control clogging due to animals and birds building nests in the flue system. - The
building 10 may be a house, shed, warehouse or other structure in which a furnace is used to maintain the interior temperature. Thebuilding 10 has aside flue 12 extending out the side of the building. That is, the side flue extends horizontally out through the side of thebuilding 10 as shown in FIG. 1. Theside flue 12 may have anend 20 and aninterior surface 22. Theside flue 12 may be structured in a non-concentric manner such as non-concentric flue 13 shown in FIG. 6. Alternatively, theside flue 12 may be concentric, having aninner flue 16 and anouter flue 18 as shown in FIGS. 5 and 8. - The
flue guard 30 may be selectively joined to or adjacent theinterior surface 22 of theside flue 12 with theflue guard 30 being positioned predominantly, e.g. entirely or nearly entirely within theside flue 12. Theflue guard 30 preferably includes abody 32 with aninterior surface 40, an exterior surface 41, afirst end 44, asecond end 46, and achannel 42 defined therethrough, extending from thefirst end 44 to thesecond end 46. Thebody 32 may be short as shown in FIG. 2 or of extended length as shown in FIGS. 4, 7, and 8. Theflue guard 30 may further includefins 34 joined to thebody 32 adjacent thefirst end 44 and at least onestop 36 joined to thesecond end 46 of theflue guard 30. - Alternatively to a
cylindrical body 32, theflue guard 30, shown in FIGS. 9 and 10, has thebody 32 tapered adjacent thesecond end 46 with the body being C-shaped, e.g. non-contiguous the purpose of which will soon be described. Thesecond end 46 is further joined to ahook 50. Thehook 50 replaces the function of thestop 36. That is, thehook 50 is sized and positioned to hook over theflue lip 20, preventing theflue guard 30 from being pushed too far into theside flue 12. Thebody 32 is tapered as shown to allow thefirst end 44 of theflue guard 30 to be positioned sufficiently far into theside flue 12 without unnecessary friction between theflue guard 30 and theside flue 12, making installation and removal for cleaning easier. Thebody 32 is C-shaped such that thebody 32 is above, e.g. does not touch the lowerinterior surface 22 of theside flue 12, where water and ice are most likely to collect. - The
flue guard 30 may be structured or adapted to be inserted into theside flue 12 sufficiently far through theside flue 12 and into thebuilding 10 to avoid collecting frozen condensation on thefins 34 in all natural climates. The exterior surface of theflue guard 30 may be in circumferential contact with at least a portion of theinterior surface 22 of theside flue 12. Theside flue 12 and thechannel 42 may be positioned in a coaxial manner such that air passing through theside flue 12 simultaneously passes through thechannel 42. Generally, thefins 34 need to be positioned twelve or more inches within the flue to obtain proper heating. Thefins 34 should be spaced close enough together to avoid birds and other small animals from going beyond thefins 34 and into the furnace area. Thefins 34 should be thin enough to not obstruct the flow of exhaust away from the furnace area. Thestop 36 is of sufficient dimension to engage theend 20 of theside flue 12 to prevent theflue guard 30 from further penetration into theside flue 12 andbuilding 10. That is, thestop 36 remains accessible such that a user may grasp thestop 36 and pull theflue guard 30 out of theside flue 12 for cleaning and replacement. - In operation, a
side flue 12 may be maintained free of debris. The user inserts aflue guard 30 through aside flue 12 and into abuilding 10. Theflue guard 30 should be inserted sufficiently far to positionfins 34, which are joined adjacent afirst end 44 of theflue guard 30 at a location sufficiently far in theflue 12 to avoid collecting frozen condensation on thefins 34 in all natural climates. The further the fins are positioned within theflue 12 and consequently thebuilding 10, the warmer thebuilding 10 will maintain thefins 34. - The
stop 36, which may be joined to asecond end 46 of theflue guard 30, may be positioned adjacent anend 20 of theside flue 12. The stop at a later date may be grasped to withdraw theflue guard 30 from theside flue 12. Once removed, theflue guard 30 may be cleaned and washed to remove debris, such as bird and animal nests. After cleaning, theflue guard 30 may be reinserted back into theside flue 12. - Although the present invention has been described with reference to preferred embodiments, workers skilled in the art will recognize changes may be made in form and detail without departing from the spirit and scope of the invention.
Claims (20)
1) A flue system, comprising:
a building with a side flue, the side flue extending horizontally out through the side of the building, the side flue having an end and an interior surface; and
a flue guard selectively joined adjacent the interior surface of the side flue, the flue guard including a body with an interior surface, an exterior surface, a first end, a second end, and a channel defined therethrough from the first end to the second end, the exterior surface of the body being in circumferential contact with at least a portion of the interior surface of the side flue, the flue guard further including fins joined to the first end and at least one stop joined to the second end, the flue guard inserted into the side flue sufficiently far through the side flue and into the building to avoid collecting frozen condensation on the fins in all natural climates and the stop being of sufficient dimension to engage the end of the side flue.
2) A flue system, comprising:
a building with a side flue, the side flue extending horizontally out through the side of the building, the side flue having an end and an interior surface; and
a flue guard including a body with an interior surface, an exterior surface, a first end, a second end, and a channel defined therethrough from the first end to the second end, the flue guard being sized to fit into the side flue.
the flue guard inserted into the side flue sufficiently far through the side flue and into the building to avoid collecting frozen condensation on the fins in all natural climates and the stop being of sufficient dimension to engage the end of the side flue.
3) The device of claim 2 wherein the flue guard is selectively joined adjacent the interior surface of the side flue.
4) The device of claim 2 wherein the exterior surface of the body being in at least partial circumferential contact with at least a portion of the interior surface of the side flue.
5) The device of claim 4 wherein the exterior surface of the body being in complete circumferential contact with a portion of the interior surface of the side flue
6) The device of claim 2 wherein the side flue is a circumferential side flue.
7) The device of claim 2 wherein the flue guard further includes fins joined to the body.
8) The device of claim 7 wherein the fins are joined to the body adjacent the first end.
9) The device of claim 7 wherein the flue guard is inserted into the side flue sufficiently far through the side flue and into the building to avoid collecting frozen condensation on the fins in all natural climates.
10) The device of claim 2 wherein the flue guard further includes at least one stop joined adjacent the second end.
11) The device of claim 10 wherein the stop is a hook.
12) The device of claim 10 wherein the stop is positioned adjacent the end of the side flue and the flue guard is disposed in the side flue.
13) The device of claim 10 wherein the stop is of sufficient dimension to engage the end of the side flue.
14) A method of maintaining a side flue free of debris, comprising the steps of:
inserting a flue guard through a side flue and into a building sufficiently far to position fins joined on a first end of the flue guard at a location sufficiently far in the flue to avoid collecting frozen condensation on the fins in all natural climates;
positioning a stop, joined to a second end of the flue guard, adjacent an end of the side flue;
removing the flue guard when debris, such as bird nests, clog the flue guard;
washing the flue guard; and
reinserting the flue guard back into the side flue.
15) The device of claim 14 further comprising the step of hooking the flue guard to the side flue.
16) The method of claim 14 further comprising the step of positioning an external surface of the flue guard adjacent an internal surface of the side flue.
17) The method of claim 14 further comprising the step of orienting a channel of the flue guar coaxially with the side flue.
18) The method of claim 14 further comprising the step of elevating a first end of the flue guard above a portion of an interior surface of the side flue, while the flue guard is disposed within the side flue.
19) The device of claim 14 further comprising the step of restraining animals with fins disposed on the flue guard.
20) The device of claim 14 further comprising the step of containing animal nests between a portion of the flue guard and an end of the side flue.
Priority Applications (1)
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US10/772,955 US20040154610A1 (en) | 2003-02-05 | 2004-02-05 | Flue guard and method of use |
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US44471103P | 2003-02-05 | 2003-02-05 | |
US10/772,955 US20040154610A1 (en) | 2003-02-05 | 2004-02-05 | Flue guard and method of use |
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US20040154610A1 true US20040154610A1 (en) | 2004-08-12 |
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US10/772,955 Abandoned US20040154610A1 (en) | 2003-02-05 | 2004-02-05 | Flue guard and method of use |
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US20070215216A1 (en) * | 2006-03-16 | 2007-09-20 | Pasquale Farruggia | Check valve mechanism for rodents and/or odors |
US20080207105A1 (en) * | 2007-02-27 | 2008-08-28 | Huta Robert M | Chimney termination cap |
US11802257B2 (en) | 2022-01-31 | 2023-10-31 | Marathon Petroleum Company Lp | Systems and methods for reducing rendered fats pour point |
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US20080207105A1 (en) * | 2007-02-27 | 2008-08-28 | Huta Robert M | Chimney termination cap |
US7458888B2 (en) | 2007-02-27 | 2008-12-02 | Huta Robert M | Chimney termination cap |
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