US Patent: 23
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Hot Air Furnace
Furnace for Warming Buildings
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Patentee:
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| Frederick A. Fickhardt (exact or similar names) - Easton, Northampton County, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Sep. 08, 1836 |
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Joel Havens
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Description: |
| Listed in A List of Patents Issued by the United States, from 1790 to 1847, pgs. 129 & 433.
Abstract:
A, first chamber of such size, shape and proportions as may at any time be deemed most eligible for the purposes intended to-wit: containing the stove, and body of air sufficient in its passage for conveying heat enough to the rooms, the chamber to be made of tin, or other reflecting material, and having a sloping top, terminating in a central tube, or flue, but to have no bottom, the whole resting on a sufficient number of feet, said feet to be three, or four inches high, thus leaving a void beneath its edge for the entrance of air in a manner hereafter to be described, secondly, a second, or outer chamber made of similar, or other reflecting material large enough to surround the first chamber so as to leave a void between their respective opposing surfaces say of one, two, or three inches for the travel of the air to be heated, &c. This second chamber to have a sloping top, and a tube, the tube to be short say three, or four inches. but both so to correspond with those of the, first, or inner chamber, as to leave a void between for the admission of the air equal, and continuous with the void just described, the whole void together forming a passage for the external air between the bodes of the inner, and outer chambers, and underneath the edge of the inner one, where of course after having intercepted the heat escaped through the first reflector it conies in contact with the stove, or other apparatus used for generating heat, and passes up through the tube of the inner chamber, and from thence it is conducted to the rooms. This second chamber, will stand on a level with the bottom of the feet of the first chamber, and should have an air tight, or nearly air tight bottom, or be otherwise suitably arranged, or the plan for the current of air may be altered so as to leave the opening for the entrance of external air at the bottom of the void above described, and (closing that above of course) to have also by means of an aperture in the top, or tube of the inner chamber the communication for the outer, and inner drafts above; both the first and second chambers may have doors situated so as to correspond for the purpose of feeding the stove, &c.
Claim:
The employment of two successive reflecting chambers as above described for the purpose of throwing back, and retaining the radiated, and other heat coming in contact with them. |
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