US1692576A - Expansion means for furnaces - Google Patents

Expansion means for furnaces Download PDF

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Publication number
US1692576A
US1692576A US273031A US27303128A US1692576A US 1692576 A US1692576 A US 1692576A US 273031 A US273031 A US 273031A US 27303128 A US27303128 A US 27303128A US 1692576 A US1692576 A US 1692576A
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Prior art keywords
casing
heating unit
plate
furnaces
expansion
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Expired - Lifetime
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US273031A
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Morgan M Rote
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CHARLES J REITZ
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CHARLES J REITZ
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Priority to US273031A priority Critical patent/US1692576A/en
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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, IN GENERAL
    • F24H3/00Air heaters having heat generating means

Description

Nov. 20, 1928.' 1,692,576
M. M. ROTE EXPANSION MEANS FOR FURNACES Filed April 2Q 1928 2 Sheets-Sheet qw b m N l If u H M M H036,
Nov. 20, 1928.
M. M. ROTE EXPANSION MEANS FOR FURNACES Filed April 26, 1928 2 Sheets-Sheet Patented Nov. 20, 1928.
UNITED sures PATENT onion;
MORGAN M; BOTE, F SUNBURY, PENNSYLVANIA, ASSIGNOR OF ONE-HALE CHARLESg J. REITZ, OF-SUHBURY, PENBISYLVANIA.
EXBANSION MEANS FOR FURNACES.
Application filed April 26, 1928. Serial No;
The invention relates to hot air furnaces.
In hot air furnaces the heating unit is enclosed by a spaced casing through which air proceeds from the bottom of the casing to the upper part to be distributed to one or more hot air flues to the building for heating it.
It will be apparent that the relative expansion of the heating unit and the spaced casing will be different at different periods. Heretofore this relative expansion has caused warping of parts and in some instances complete breaking down thereof and necessitating fre quent repair and replacement.
This invent-ion has for its object the provision of means by which the heating unit and the casin are connected by means of adjustable members so that the heating unit and the casing may expand and contract relatively to one another without damage to the parts.
The invention will be described in detail hereinafter and will be found illustrated in the accompanying drawings in which Figure 1 is a front view in elevation of a furnace showing the improved means for connecting the casing to the heating unit,
Figure 2 is a transverse sectional view on a plane indicated by the line 2--2 of Figure 1, said view being taken on a vertical plane,
Figures 3 and 4 are horizontal transverse sectional views on planes indicated by lines 3-3 and 4-4, respectively, of Figure 1,
Figure 5 is a sectional detail on the plane indicated by the line 5-5 of Figure 2, and
Figure 6 is sectional detail on a plane inclicated by the line 6-6 of Figure 5.
In the drawings similar reference characters are used to designate corresponding parts throughout the several views.
The furnace illustrated in the drawings is of the type known as a one pipe furnace that has a casing A, and a heating unit B. The casing A comprises a cylindrical section 1 in which is contained the unit B, a dome 2 that seats on the cylindrical portion 1, and 3 indicates a hot air flue from the dome 2. It will beunderstood that instead of a single hot air flue 3 that a plurality of fines may be provided where the furnace is used to distribute the hot air from the casing A to the individual rooms.
The cylindrical portion 1 is open in the front to receive the heating unit B, and has the edges of the casing at the opening returned outwardly as shown .at 4;.
The heating unit B has an ash container 5, a combustion chamber 6, and a radiator 7 With the smoke flue 8 connected therewith andeX- tending outwardly through an opening 9 in the cylindrical portion 1. The ash container 5 has a front plate 10 secured theretoand extended above the top thereof. 11 indicates a hinged doorvmounted on the plate 10 closing the opening to the ash container. The side edges of the front plate 10 are returned outwardly as shown at 12. 13 are sliding clamp members having their edges inturned as shown at 1 1 to engage the returned edges 4 and 12 to hold them in engagement, this structure, however, as it will be apparent, permitting relative movement of the returned portions 4: and 12 that ,maybe occasioned by differences in temperature of the parts connected therewith, that is the cylindrical casing member 1, and the heating unit B. A front'plate 15 is provided to coverthe upper portion of the heating unit B and the lower edge of said front plate 15 has spaced flanges 16 that slidably engage the front plate 10, 17 indicating a trans verse shoulder member on the front plate 10 that forms a stop and a seat for. the bottom edge of the front plate 15. Front plate 15 is provided with a fuel door 18 that connects through the telescoping fuel duct 19 on the front plate 15 and 20 on the. combustion chamber 6 with the interior thereof. The side edges of the removable front plate 15 have outwardly returned portions 21, and 22 are clamp members of similar construction to clamp members 18 having inturned edges 23 that engage the outwardly returned portions land 21 to hold the parts together, and. still permit relative movement thereof as in the matter of the connection of the clamp members 13 hereinbefore referred to.
The opening 9 hereinbefore referred to for A and the heating unit B thus causing the a smoke flue 8 to move relatively to the cylindrical portion 1 will be compensated for Without permitting leakage of the heated air within the casing A, and thus avoiding disarrangement of parts by said relative expansion Where not compensated for.
What is claimed is a In a furnace structure, a casing, a heating unit in the casing, the casing and unit having returned flanges on their meeting edges and channeled slide members engaging said flanges to hold the heating unit in the casing 20 and permit relative expansion of said parts. In testimony whereof I afiix my signature.
MORGAN M. ROTE.
US273031A 1928-04-26 1928-04-26 Expansion means for furnaces Expired - Lifetime US1692576A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2529406A (en) * 1947-07-14 1950-11-07 Frank L Meyer Hot-air furnace
US2762425A (en) * 1949-04-23 1956-09-11 Custom Metal Products Inc Metal combustion chamber and furnace with such chamber
US2776656A (en) * 1950-03-20 1957-01-08 Brown Fintube Co Down draft eliminator
US2923349A (en) * 1956-12-11 1960-02-02 Tuck Aire Furnace Company Gas furnace construction

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2529406A (en) * 1947-07-14 1950-11-07 Frank L Meyer Hot-air furnace
US2762425A (en) * 1949-04-23 1956-09-11 Custom Metal Products Inc Metal combustion chamber and furnace with such chamber
US2776656A (en) * 1950-03-20 1957-01-08 Brown Fintube Co Down draft eliminator
US2923349A (en) * 1956-12-11 1960-02-02 Tuck Aire Furnace Company Gas furnace construction

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