US1068257A - Chimney-cap. - Google Patents
Chimney-cap. Download PDFInfo
- Publication number
- US1068257A US1068257A US72542812A US1912725428A US1068257A US 1068257 A US1068257 A US 1068257A US 72542812 A US72542812 A US 72542812A US 1912725428 A US1912725428 A US 1912725428A US 1068257 A US1068257 A US 1068257A
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- US
- United States
- Prior art keywords
- chimney
- casing
- cap
- shelves
- plate
- 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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Classifications
-
- 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
- My invention relates to chimney caps, my more particular purpose being to provide a cap having a comparatively simple form and provided with means for facilitating the escape of smoke and hot gases, while preventing the wind from blowing downwardly into the chimney, and yet allowing the escape of water falling in the form of rain upon the top of the cap.
- My invention further relates to the provision for arresting and returning a portion of the soot, sparks, and analogous matter, so that such matter is, as far as possible, prevented from escaping from the chimney.
- My invention further comprehends improved means for trapping and holding such materials as are carried upward with the smoke and hot gases passing through the chimney for further combustion.
- My invention also contemplates improved means for securing the chimney cap in position upon the chimney.
- My invention further comprehends various improvements of a mechanical nature relative to the construction of chimney caps in order to improve the general efficiency of the latter.
- Figure 1 is a perspective showing my improved chimney cap ready for use
- Fig. 2 is a substantially central vertical cross section through the same.
- a chimney is shown at 8, and is provided with the usual opening a.
- the casing is provided with base flanges 6, which are of a width commensurate with the thickness of the chimney wall.
- the casing 5 is further provided at its upper edge with a crown 8, the latter having perforations 9 extending through it.
- a roof 10 is connected with the casing 5 and located internally thereof. This roof is provided with eaves 11 which are, in this instance, made integral with it, the roof and eaves both being made of sheet metal.
- each shelf 1.3 Adjacent to the bottom portion of the roof are two shelves 1.3, each having a flange 12 secured directly to the inner surface of the casing, and by aid whereof the shelf is supported. Each shelf 13 is further provided with a flange l t extending directly downwardly.
- baffle plate 15 Mounted within the casing 5, a short dis tance below the shelves 13 is a baffle plate 15, which is held in position by aid of bolts 16 extending through slots 17 in flanges 19 with which the baffle plate 1:3 is provided.
- I. provide a number of straps 20, preferably of sheet metal somewhat thicker than the casing 5, and secure the casing to these straps by aid of bolts 21.
- the straps 20 are connected directly to a belt 22, which extends completely around the chimney. In this instance the straps 20 are integral with the belt 22, but this precise construction is not essential.
- the operation of my device is as follows: The parts being made and assembled as above described, the casing rests directly upon the top of the chimney. Smoke and gases of combustion in passing upwardly and out of the chimney encounter the battle plate 15, and by aid of the depending flanges 18 thereof, are caused to travel slightly downward, then outward and upward around the baflie plate as indicated by the arrows in Fig. 2. Any soot or masses of unburned or partially burned particles of fuel lodging upon the sloping base '1' are caused to roll back into the chimney and are there subjected to further combustion.
- the baffle plate 15 serves, to some extent, as a trap for soot and unconsumcd particles of smoke as well as floating ashes, these substances being deposited upon the top of the baffle plate.
- the shelves 13 also serve as traps for catching floating particles which drop thereon. These particles, together with any caught by the baflle plate 15, may be readily removed at any time it may be de sired to clean the chimney cap.
- the holes 9 serve the double purpose of concentrating the water into definite streams, thus causing the water in falling to clear the casing 5, and conferring upon the device an ornamental appearance.
- the wind can readily blow through the top portion of the cap, but cannot blow down the chimney to any considerable extent, being obstructed by the shelves 13 and battle plate 15 which act, to some extent, after the manner of a valve, in that they permit the smoke and gases to pass upwardly and prevent undesirable air currents from passing downwardly into the chimney.
- My improved chimney cap prevents the escape of sparks from the chimney under the ordinary conditions and also when the chimney happens to catch on tire.
- the sparks are trapped, and effectively prevented from escaping, by the action of the depending flanges 18 of the batlie plate 15 and if in an exceptional instance any sparks succeed in passing the flanges 18 they are checked by Y the depending flanges 14 of the shelves 13 and drop back either into the chimney or upon the top of the batfie plate 15.
- a chimney cap comprising a base plate
- shelf mounted therein and adapted to support particles lodging thereon, said shelves having portions extending downwardly, a battle plate located within said casing and below said portions of said shelves, said loafile plate being of a width greater than the distance from one of said portions to another.
- a device of the character described comprising a casing, shelves mounted therein and extended toward each other, a baffle plate located within said casing and disposed below said shelves, said battle plate being of a width greater than the shortestdistance between adjacent portions of said shelves, and means for directing smoke and gases around said baflie plate and toward said shelves.
Description
Patented July 22, 1913.
WITNESSES 6% Zia/4.
ATTORNEYS OLUMBIA PLANUGRAPH CO,\VASHINGTON, 1). c,
JAMES EDWARD IVIoC'ALL, OF MONTGOMERY, ALABAMA.
CHIMNEY-CAP.
Specification of Letters Patent.
Patented July 22, 1913.
Application filed October 12, 1912. Serial No. 725,428.
To all w/zom it may concern Be it known that 1, JAMES Enwano Mo- CALL, a citizen of the United States, and a resident of Montgomery, in the county of hilontgomery and State of Alabama, have made certain new and useful Improvements in Chimney-Caps, of which the following is a specification.
My invention relates to chimney caps, my more particular purpose being to provide a cap having a comparatively simple form and provided with means for facilitating the escape of smoke and hot gases, while preventing the wind from blowing downwardly into the chimney, and yet allowing the escape of water falling in the form of rain upon the top of the cap.
My invention further relates to the provision for arresting and returning a portion of the soot, sparks, and analogous matter, so that such matter is, as far as possible, prevented from escaping from the chimney.
My invention further comprehends improved means for trapping and holding such materials as are carried upward with the smoke and hot gases passing through the chimney for further combustion.
My invention also contemplates improved means for securing the chimney cap in position upon the chimney.
My invention further comprehends various improvements of a mechanical nature relative to the construction of chimney caps in order to improve the general efficiency of the latter.
Reference is made to the accompanying drawings forming part of this specification in which like letters indicate like parts.
Figure 1 is a perspective showing my improved chimney cap ready for use, and Fig. 2 is a substantially central vertical cross section through the same.
A chimney is shown at 8, and is provided with the usual opening a. A casing 5, which in this instance is of sheet metal, has a general box-like form and rests upon the upper end of the chimney. The casing is provided with base flanges 6, which are of a width commensurate with the thickness of the chimney wall. Within the casing 5 are base plates 7, which are inclined; as indicated in Fig. 2, and are secured to the inner edges of the base flanges 6. The casing 5 is further provided at its upper edge with a crown 8, the latter having perforations 9 extending through it. A roof 10 is connected with the casing 5 and located internally thereof. This roof is provided with eaves 11 which are, in this instance, made integral with it, the roof and eaves both being made of sheet metal. Adjacent to the bottom portion of the roof are two shelves 1.3, each having a flange 12 secured directly to the inner surface of the casing, and by aid whereof the shelf is supported. Each shelf 13 is further provided with a flange l t extending directly downwardly.
Mounted within the casing 5, a short dis tance below the shelves 13 is a baffle plate 15, which is held in position by aid of bolts 16 extending through slots 17 in flanges 19 with which the baffle plate 1:3 is provided. I. provide a number of straps 20, preferably of sheet metal somewhat thicker than the casing 5, and secure the casing to these straps by aid of bolts 21. The straps 20 are connected directly to a belt 22, which extends completely around the chimney. In this instance the straps 20 are integral with the belt 22, but this precise construction is not essential.
The operation of my device is as follows: The parts being made and assembled as above described, the casing rests directly upon the top of the chimney. Smoke and gases of combustion in passing upwardly and out of the chimney encounter the battle plate 15, and by aid of the depending flanges 18 thereof, are caused to travel slightly downward, then outward and upward around the baflie plate as indicated by the arrows in Fig. 2. Any soot or masses of unburned or partially burned particles of fuel lodging upon the sloping base '1' are caused to roll back into the chimney and are there subjected to further combustion. The baffle plate 15 serves, to some extent, as a trap for soot and unconsumcd particles of smoke as well as floating ashes, these substances being deposited upon the top of the baffle plate. The shelves 13 also serve as traps for catching floating particles which drop thereon. These particles, together with any caught by the baflle plate 15, may be readily removed at any time it may be de sired to clean the chimney cap.
The holes 9 serve the double purpose of concentrating the water into definite streams, thus causing the water in falling to clear the casing 5, and conferring upon the device an ornamental appearance. The wind can readily blow through the top portion of the cap, but cannot blow down the chimney to any considerable extent, being obstructed by the shelves 13 and battle plate 15 which act, to some extent, after the manner of a valve, in that they permit the smoke and gases to pass upwardly and prevent undesirable air currents from passing downwardly into the chimney.
My improved chimney cap prevents the escape of sparks from the chimney under the ordinary conditions and also when the chimney happens to catch on tire. The sparks are trapped, and effectively prevented from escaping, by the action of the depending flanges 18 of the batlie plate 15 and if in an exceptional instance any sparks succeed in passing the flanges 18 they are checked by Y the depending flanges 14 of the shelves 13 and drop back either into the chimney or upon the top of the batfie plate 15.
I claim 1. A chimney cap comprising a base plate,
shelves mounted therein and adapted to support particles lodging thereon, said shelves having portions extending downwardly, a battle plate located within said casing and below said portions of said shelves, said loafile plate being of a width greater than the distance from one of said portions to another.
2. A device of the character described comprising a casing, shelves mounted therein and extended toward each other, a baffle plate located within said casing and disposed below said shelves, said battle plate being of a width greater than the shortestdistance between adjacent portions of said shelves, and means for directing smoke and gases around said baflie plate and toward said shelves.
JAMES EDlVARD MCGALL.
\Vitnesses L. BEVERLY, JEANETTE MCCALL.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents.
' Washington, D. C.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US72542812A US1068257A (en) | 1912-10-12 | 1912-10-12 | Chimney-cap. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US72542812A US1068257A (en) | 1912-10-12 | 1912-10-12 | Chimney-cap. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1068257A true US1068257A (en) | 1913-07-22 |
Family
ID=3136498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US72542812A Expired - Lifetime US1068257A (en) | 1912-10-12 | 1912-10-12 | Chimney-cap. |
Country Status (1)
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US (1) | US1068257A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2425458A (en) * | 1943-09-07 | 1947-08-12 | Arthur B Charroin | Chimney cap |
US2660106A (en) * | 1951-08-03 | 1953-11-24 | Arthur W Gray | Chimney cowl |
-
1912
- 1912-10-12 US US72542812A patent/US1068257A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2425458A (en) * | 1943-09-07 | 1947-08-12 | Arthur B Charroin | Chimney cap |
US2660106A (en) * | 1951-08-03 | 1953-11-24 | Arthur W Gray | Chimney cowl |
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