US708373A - Combined hot-air and water or steam heater. - Google Patents

Combined hot-air and water or steam heater. Download PDF

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Publication number
US708373A
US708373A US6849601A US1901068496A US708373A US 708373 A US708373 A US 708373A US 6849601 A US6849601 A US 6849601A US 1901068496 A US1901068496 A US 1901068496A US 708373 A US708373 A US 708373A
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water
chamber
combustion
air
flue
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US6849601A
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Abram L Logan
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Abram L Logan
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H6/00Combined water and air heaters

Description

No. 708,373. Patented Sept. 2, |90:2.
A. L. LOGAN.
COMBINED HOT AIR AND WATER 0R STEAM HEATER.
iApplicatiou filed July 16, 1901.) (No Model.)
2 Sheets-Sheet 6 MSQWWC mwamw v m: NURRIS versus :0, vnmo-umo" WASHINGTON, n. c.
No. 708,373. Patented Sept. 2, 1902.
A. L. LOGAN.
COMBINED HOT AIR AND WATER [TR STEAM HEATER.
, 1App1ication filed July 16, 1901.) (No Model.) 2 Sheets-Sheet 2.
l with fuel.
UNlTED STATEs PATENT Unmet.
ABRAM L. LOGAN, or MoNToLARE, PENNSYLVANIA.
COMBINED HOT-AIR AND WATER OR STEAM HEATER.
SPECIFICATION forming part of Letters Patent No. 708,373, dated September 2, 1902.
Application filed July 16, 1901.
To aZZ whom, it may concern:
Be it known that I, ABRAM L. LOGAN, a citizen of the United States, anda resident of Montclare, Montgomery county, Pennsylvania, have invented certain Improvements in a Combined Hot-Air and Water or Steam Heater, of which the following is a specification.
The main object of my invention is to provide a heater particularly adapted for use in heating buildings, such as dwelling-houses, in which air can be heated to the desired temperature and utilized to heat part of the building and hot water or steam can be utilized to heat the balance of the building.
A further object of the invention is to so combine the parts as to make aneconomical heater, both .as to the manufacture and the consumption of fuel, making it compact and easy of access in case of repairs.
In the accompanying drawings, Figure 1 is a vertical sectional view of my improved heater. Fig. 2 is a sectional-plan view on the line 2 2," Fig. 1. Fig. 3 is a sectional plan view on the line 3 3, Fig. 1, and Fig. 4 is a perspective view illustrating the flue.
A is the casing of the heater, which can be of any form desired.
B is the fire-pot of the ordinary type, having a grate I), under which is an ash-pit a.
Mounted upon the fire-pot is a combustionchamber D, extending into the heating-chamber inclosed by the casing A. This combustion-chamber is closed at the top and'is provided with a suitable opening (1 at the front, through which the fire-pot may be charged This opening is provided with a fire-door cl and the ash-pit with a door ct, commonto ordinary heating-furnaces. The combustion-chamber D communicates with the horizontal flue-section E through the pipe 6, and this horizontal-section extends to the back of the furnace and has a nipple c, to which the smoke-pipe can be attached. On the end of the flue-section E is pivoted a damper-door 6 which can be raised when it is necessary to check the fire.
Mounted above the flue-section E is a water chamber or boiler O. This water-chamber has a U-shaped flue 0 extending up into its interior and communicating with the horizontal flue E. Situated in the horizontal flue Serial No. 68,496. nit model.)
E between the inlet and outlet of the flue c is a damper F, pivoted atf. This damper when down, as shown in the drawings, cuts off direct communication between the combustionchamber and the smoke-pipe, and the products of combustion must pass up through the flue 0 within the hot-water chamber or boiler C; but if the damper is raised then direct communication is afforded between the combustion-chamber and the smoke-pipe. To operate this damper from the exterior of the furnace, I provide a lever F, which is pivoted at f and has a long arm f extending within the line E and bearing against the under side of the damper F, while the short arm f of this lever is on the outside of the furnace and within easy reach of the operator.
The damper F can be held in its raised position by a suitable catch, which will engage the arm f of the lever, or by a suitable weight, as desired.
Within the combustion-chamber D is a water-receptacle G of the form shown in Figs. 1 and 3, which acts as a partition to direct the products of combustion upward at the front of the combustion-chamber and downward at the back. This water-receptacle is, in fact, a partition which extends from one side of the combustion-chamber to the other and has a rearwardly-projeoting lower portion g, which prevents the products of combustion passing direct from the combustionchamber to the flue-pipe e. As this waterreceptacle is situated directly above the fire, it receives the direct heat of the products of combustion, and water is heated very quickly in this chamber and brought to the desired temperature. A pipe H communicates with the upper end of the Water-receptacle G and with the upper portion of the water chamber or boiler C, while a pipe I forms a communication between thelower portion of the water chamber or boiler O and the lower portion of the water-receptacle G, so that a circulation of water through both chambers is assured. The casing A incloses both the combustion-chamber D and the casing A through an opening 1%, which communicates with an air-chamber M, which in turn communicates through a passage m with the bottom of the heating-chamber N. One or more flues K may be connected to the upper portion of this heating-chamber N, so as to carry the hot air to the different portions of the building to be heated. The hot water or steam can pass out through a pipe is, communicating with the water-chamber O, and can be returned through a pipe j, communicatin g with thebottom of the said water-chamber. When my improved heatcris used as a combined hot-air and steam heater, then the level of water in the water-chamber O is sufliciently low to allow for a suitable steamchamber above the water; but if it is used for hot-water heating then the entire space within the chamber 0 can be used for water.
It will be seen that by my improvement I can construct a very economical combined hot-water and steam or hot-air heater which can be readily controlled and which will heat a large quantity of air and in which the water has a free circulation.
The design of the heater may be varied without departing from the essential features of my invention, and in some instances the water-chamber C may be dispensed with when it is desired to use the water-receptacle G within the combustion-chamber for the same purpose as a water-back when hot water is desired for ordinary use and not for heating purposes.
I claim as my invention- 1. The combination in a heating-furnace,of a casing, a fire-pot, a combustion-chamber mounted above the fire-pot, a water-receptacle within the combustion-chamber and forming a partition therefor, a horizontal flue communicating with the combustion -chamber, said partition being so formed that the products of combustion will have an indirect passage to the flue, a U-shaped flue communicating with the horizontal flue,a damper with in the horizontal flue between the inlet and outlet of the U-shaped flue, and means for operating the damper from the outside of the furnace, substantially as described.
2. Thecombination in a combined heatingfurnace, of a casing, a fire-pot, a combustionchamber mounted on the fire-pot within the casing, a water-receptacle mounted within the combustion-chamber and forming a partition for the combustion-chamber, so that the products of combustion will have an indirect passage therethrough, a horizontal flue communicating with the combustion-chamber on one side of the partition,a water chamber or boiler mounted above the horizontal flue,aflue within the water-chamber and communicating with the horizontal flue, pipes forming communication between the upper portion of the water-receptacle and the waterchamber, and a pipe forming communication between the lower portion of the water-receptacle and the lower portion of the water-chamber, substantially as described.
3. The combination in a heating-furnace,of a casing, a fire-pot, a cylindrical combustionchamber mounted above the fire-pot, a transverse water-receptacle mounted within the combustion-chamber and forming a partition, the space in front of the partition communieating with the fire-pot, a horizontal flue communicating with the space back of the partition so that the products of combustion will pass over the water-receptacle and down to the flue, a damper in said flue,means for operating said dam per,a water receptacle or boiler mounted above the flue and having a passage therein for the products of combustion, the damper being arranged to close the said passage, substantially as described.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
ABRAM L. LOGAN.
US6849601A 1901-07-16 1901-07-16 Combined hot-air and water or steam heater. Expired - Lifetime US708373A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2424927A (en) * 1945-10-08 1947-07-29 Thomas H Garvey Air heating and humidifying apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2424927A (en) * 1945-10-08 1947-07-29 Thomas H Garvey Air heating and humidifying apparatus

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