US1091883A - Chimney-top. - Google Patents
Chimney-top. Download PDFInfo
- Publication number
- US1091883A US1091883A US716486A US1912716486A US1091883A US 1091883 A US1091883 A US 1091883A US 716486 A US716486 A US 716486A US 1912716486 A US1912716486 A US 1912716486A US 1091883 A US1091883 A US 1091883A
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- Prior art keywords
- chimney
- cap
- plate
- wind
- guard
- 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.)
- Expired - Lifetime
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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
Definitions
- Patented Mar. 31, iota.
- This invention relates to chimneys and esecially to the top or discharge endsthereof.
- Another object is to prevent rain or snow from passing down the flue of the chimney, so that said flue may be left open for ventilation when the fires are out, as during the summer season, without danger of rusting out the metal pipes ordinarily used for connecting furnaces and stoves to the flue. It is common practice to take down these connecting pipes in the summer time where the flue is not protected from rain. The time and trouble incident to this practice is obviated when the present invention is used on the chimney.
- Figure 1 is a side elevation of a brick chimney equipped with this invention.
- Fig. 2 is a transverse vertical section thereof.
- Fig. 8 is a top plan view of the same.
- Fig. 4 is a horizontal section taken through the openings in the sides of the cap.
- Fig. 5 is a section taken on the line 55 of Fig. 2.
- Fig. 6 is a broken vertical section on the line 66 of Fig. l.
- Fig. 7 is a broken vertical section of a modified construction, and
- Fig. 8 is a broken horizontal section of another modification.
- A designates the upper part or end of the usual rectangular brick chimney having a fine a.
- the improved top may be placed directly upon the brick work, thereby dispensing with the cap-stone ordinarily used.
- the top may be placed upon the chimney as the last step in its construction, as shown, and may consist of a guardplate or frame B, a cap C and a wind-shield D.
- the guard-plate is preferably formed with a short tubular section 6 extending downwardly from its inner edge and fitting around the cap C. The lower end of this tubular section rests upon the top layer of bricks of the chimney.
- the guard-plate slopes downwardly and outwardly from the upper end of said tubular section and also rests upon the top layer of bricks at the outer edge of the same. Said guard-plate projects beyond the sides of the chimney proper, as at 79 and preferably has its margin curved downwardly and terminating in a bead 6
- the cap 0 may consist of a tubular section, the lower end of which fits into the upper end of the flue a. The upper end of said tubular section is closed, as at o, preferably by a dome-shaped cover made integral therewith. Intermediate of its ends said tubular section of the cap may be provided with an outwardly and downwardly extending flange 0 which overlaps the guard-plate for preventing water from entering between the tubular section Z) of said guard-plate and the tubular section of the cap.
- the wind-shield D may be in the form of a vertical wall inclosing a rectangular space, including the upper portion of the cap, and arranged in alinement with the outer surfaces of the walls of the chimney so as to conform to the shape of the latter. Said windshield preferably rests upon the guard-plate and terminates at its upper end substantially on a level with the top of the cap.
- the wind-shield is made integral with the cap, being connected thereto wings d preferably arranged at the four corners.
- These partitions or wings serve to divide the space between the wind-shield and cap into four compartments d Opcnings (Z are provided at or near the lower edge of the wind-shield, out of horizontal alinement with and preferably below openings in the sides of the tubular section of the cap.
- the guard-plate is first laid on top of the masonry with its tubular section Z) registering with the flue opening.
- the combined cap and wind-shield is then adjusted by inserting the lower portion 0 of the cap through said tubular section of the guardplate and down into the flue until the lower edge of the wind-shield and the flange 0 come in contact with said guard-plate, as shown in Fig. 2.
- the compartmentsd which may be considered as outer fiues, are open at the top to permit the escape of the products said compartments from the flue a through the openings 0 in the cap.
- This discharge of the products of combustion is accelerated by the wind or air circulating in through the openings (Z in the wind-shield.
- the incline of the guard-plate aids by giving an upward lift to this wind or air.
- Said openings (Z also serve as drains for the compartments, preventing the collection of water therein which would tend to rust out the device if the same is made of metal. It is preferable, however, toconstruct the device of reinforced material, such as cement, concrete or clay.
- the outer surface of the wind-shield may be colored and marked to conform to the brick or stone work of the chimney, as shown in Fig. 1, whereby the device is not only pleasing in appearance, but practically indiscernible as a separate part from the chimney itself.
- This in of combustion which enter plate may be made integral with the cap as shown in Fig. 7, thereby dispensing with the flange 0
- the wind-shield and partitions (Z may be made in a separate piece from the cap, if desired, as shown in Fig. 8.
- a chimney top comprising a cap, a guard plate the outer edge of which terminates beyond and is free from the outer surface of the chimney proper, and the inner edge of which terminates in a downwardly extending tubular section fitting around the cap for holding the plate rigidly in position, the lower edge of said tubular section resting upon the top of the chimney proper.
- a chimney top comprising a cap, a guard plate inclined outwardly and -down wardly and having a downwardly extending tubular section at its inner around said cap, the lower edge of said tubular section and the outer portion of the inclined guard plate itself resting upon the top of t e chimney proper.
- a chimney top comprising a cap fitting the flue, a guard-plate extending outwardly from said cap and covering the top of the chimney proper, said plate being inclined outwardly and downwardly and'having a tubular section at its inner edge fitting around said. cap, the lower edge of said tubular section and the outer portion of the inclined guard-plate'itself resting upon the top of the chimney proper.
- a chimney top comprising a cap fitting the flue, and a guard-plate extending from edge fitting I said cap in a continuous outward and doWnbular section resting upon the top of the 10 Ward incline to a oint Well beyond the outer chimney proper.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chimneys And Flues (AREA)
Description
F. W. FERGUSON.
CHIMNEY TOP. APPLIUATIQN FILED AUG. 22, 1912.
1 ,O91,883. Patented Mar. 31, 1914,
I I Allarney I COLUMBIA PLAN ooooooooooooooooooooooo c4 FRANCIS W. FERGUSON, 0F LOUISVILLE, KENTUCKY.
CHIMNEY-TOP.
Original application filed. March Specification of Letters Patent.
Patented "Mar. 31, iota.
22, 1912. Serial No. 716,486.
To all whom it may concern:
Be it known that I, FRANoIs W. Functison, a citizen of the United States, reslding at Louisville, in the county of Jefierson and State of Kentucky, have invented certain new and useful Improvements in Chimney- Tops; and I do hereby declare the following to be a full, clear, and exact descriptlon of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
This invention relates to chimneys and esecially to the top or discharge endsthereof.
The principal object of the invention disclosed in this application, which is a division of my pending application Ser. No. 684:,876, filed March 19, 1912, is to protect the masonry at the top of the chimney from having the mortar washed out and from being discolored by dirty water running down the outside of the chimney.
Another object is to prevent rain or snow from passing down the flue of the chimney, so that said flue may be left open for ventilation when the fires are out, as during the summer season, without danger of rusting out the metal pipes ordinarily used for connecting furnaces and stoves to the flue. It is common practice to take down these connecting pipes in the summer time where the flue is not protected from rain. The time and trouble incident to this practice is obviated when the present invention is used on the chimney.
The invention will hereinafter be first fully described with reference to the accompanying drawings, which form a part of this specification, and then pointed out in the claims following the description.
In the drawings: Figure 1 is a side elevation of a brick chimney equipped with this invention. Fig. 2 is a transverse vertical section thereof. Fig. 8 is a top plan view of the same. Fig. 4 is a horizontal section taken through the openings in the sides of the cap. Fig. 5 is a section taken on the line 55 of Fig. 2. Fig. 6 is a broken vertical section on the line 66 of Fig. l. Fig. 7 is a broken vertical section of a modified construction, and Fig. 8 is a broken horizontal section of another modification.
Referring to the drawings by letters of reference, A designates the upper part or end of the usual rectangular brick chimney having a fine a. The improved top may be placed directly upon the brick work, thereby dispensing with the cap-stone ordinarily used. Thus, the top may be placed upon the chimney as the last step in its construction, as shown, and may consist of a guardplate or frame B, a cap C and a wind-shield D. The guard-plate is preferably formed with a short tubular section 6 extending downwardly from its inner edge and fitting around the cap C. The lower end of this tubular section rests upon the top layer of bricks of the chimney. The guard-plate slopes downwardly and outwardly from the upper end of said tubular section and also rests upon the top layer of bricks at the outer edge of the same. Said guard-plate projects beyond the sides of the chimney proper, as at 79 and preferably has its margin curved downwardly and terminating in a bead 6 The cap 0 may consist of a tubular section, the lower end of which fits into the upper end of the flue a. The upper end of said tubular section is closed, as at o, preferably by a dome-shaped cover made integral therewith. Intermediate of its ends said tubular section of the cap may be provided with an outwardly and downwardly extending flange 0 which overlaps the guard-plate for preventing water from entering between the tubular section Z) of said guard-plate and the tubular section of the cap.
The wind-shield D may be in the form of a vertical wall inclosing a rectangular space, including the upper portion of the cap, and arranged in alinement with the outer surfaces of the walls of the chimney so as to conform to the shape of the latter. Said windshield preferably rests upon the guard-plate and terminates at its upper end substantially on a level with the top of the cap. In the preferred form, the wind-shield is made integral with the cap, being connected thereto wings d preferably arranged at the four corners. These partitions or wings serve to divide the space between the wind-shield and cap into four compartments d Opcnings (Z are provided at or near the lower edge of the wind-shield, out of horizontal alinement with and preferably below openings in the sides of the tubular section of the cap.
\Vhen the top is to be placed upon the by vertical partitions or i chimney, the guard-plate is first laid on top of the masonry with its tubular section Z) registering with the flue opening. The combined cap and wind-shield is then adjusted by inserting the lower portion 0 of the cap through said tubular section of the guardplate and down into the flue until the lower edge of the wind-shield and the flange 0 come in contact with said guard-plate, as shown in Fig. 2. It is desirable to place a thinlayer or filling of cement E between the flange and plate, between the tubular section of'said plate and the portion of the cap arranged within the same, and also between the inner wall of the flue and the part of the cap which extends into said flue. This filling of cement binds the cap securely to the chimney, and as long as said cap remains in place, it will retain the guard plate in proper position.
As illustrated at (Z in Fig. 2, the compartmentsd which may be considered as outer fiues, are open at the top to permit the escape of the products said compartments from the flue a through the openings 0 in the cap. This discharge of the products of combustion is accelerated by the wind or air circulating in through the openings (Z in the wind-shield. The incline of the guard-plate aids by giving an upward lift to this wind or air. Said openings (Z also serve as drains for the compartments, preventing the collection of water therein which would tend to rust out the device if the same is made of metal. It is preferable, however, toconstruct the device of reinforced material, such as cement, concrete or clay. The outer surface of the wind-shield may be colored and marked to conform to the brick or stone work of the chimney, as shown in Fig. 1, whereby the device is not only pleasing in appearance, but practically indiscernible as a separate part from the chimney itself.
Should the wind or air currents which enter one or two of the compartments in the wind-shield interfere in any way with the smoke being discharged through said compartm-ents, the other two compartments, which are not subjected to the direct influence of the wind, are ample to carry ofi all of the products of combustion from the flue by reason of the fact that the cross-sectional area of any two adjacent compartments is about equal to or greater than that of the flue or cap. That part of the wind which strikes the attachment and does not pass in through one or more of the openings in the wind-shield, is turned sharply upward by the Hat outer surfaces of the wind-shield and, as said wind passes above and beyond the open ends of the compartments, it further increases the draft by tending to create a vacuum in said compartments. This in of combustion which enter plate may be made integral with the cap as shown in Fig. 7, thereby dispensing with the flange 0 It will also be observed that the wind-shield and partitions (Z may be made in a separate piece from the cap, if desired, as shown in Fig. 8.
It is obvious that when it rains or snows, water will enter the compartments of the wind-shield through their open upper ends and be discharged from the outer edges of the guard-plate well beyond the sidesof the chimney by reason of the projecting portion 6 of said plate. There is, consequently, no danger of water reaching and washing out the mortar at the top of the masonry of the chimney, or of dirty or soot-y water from the interior of the wind-shield running down the sides of the chimney and marring its appearance. The cover of the cap, of course, excludes rain or snow from the flue, thus making it unnecessary to take down connecting pipes from furnaces or stoves to prevent said pipes .from rusting out when the fires are out, as already explained.
Having thus described my invention, What I claim as new and desire to secure by Letters Patent is i 1. A chimney top comprising a cap, a guard plate the outer edge of which terminates beyond and is free from the outer surface of the chimney proper, and the inner edge of which terminates in a downwardly extending tubular section fitting around the cap for holding the plate rigidly in position, the lower edge of said tubular section resting upon the top of the chimney proper.
2. A chimney top comprising a cap, a guard plate inclined outwardly and -down wardly and having a downwardly extending tubular section at its inner around said cap, the lower edge of said tubular section and the outer portion of the inclined guard plate itself resting upon the top of t e chimney proper.
3. A chimney top comprising a cap fitting the flue, a guard-plate extending outwardly from said cap and covering the top of the chimney proper, said plate being inclined outwardly and downwardly and'having a tubular section at its inner edge fitting around said. cap, the lower edge of said tubular section and the outer portion of the inclined guard-plate'itself resting upon the top of the chimney proper.
4. A chimney top comprising a cap fitting the flue, and a guard-plate extending from edge fitting I said cap in a continuous outward and doWnbular section resting upon the top of the 10 Ward incline to a oint Well beyond the outer chimney proper.
surface of the chimney proper, the outer In testimony whereof I afiix my signature edge of said plate terminating beyond and in the presence of two Witnesses.
bein free from the outer surface of the chini ney proper, and the inner edge of said FRANCIS FERGUSON plate terminating in a tubular section fit- Vitnesses:
ting around the cap for holding the plate ARTHUR DOLL rigidly in position, the lower edge of said tu- RUDOLPH LOESER.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of latents, Wanhington, D. 0."
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US716486A US1091883A (en) | 1912-03-19 | 1912-08-22 | Chimney-top. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US68487612A US1070436A (en) | 1912-03-19 | 1912-03-19 | Chimney attachment. |
US716486A US1091883A (en) | 1912-03-19 | 1912-08-22 | Chimney-top. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1091883A true US1091883A (en) | 1914-03-31 |
Family
ID=3160099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US716486A Expired - Lifetime US1091883A (en) | 1912-03-19 | 1912-08-22 | Chimney-top. |
Country Status (1)
Country | Link |
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US (1) | US1091883A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2517252A (en) * | 1946-08-15 | 1950-08-01 | Sokolik Edward | Cowl |
-
1912
- 1912-08-22 US US716486A patent/US1091883A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2517252A (en) * | 1946-08-15 | 1950-08-01 | Sokolik Edward | Cowl |
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