US189018A - Improvement in steam-radiators - Google Patents

Improvement in steam-radiators Download PDF

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US189018A
US189018A US189018DA US189018A US 189018 A US189018 A US 189018A US 189018D A US189018D A US 189018DA US 189018 A US189018 A US 189018A
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Prior art keywords
pipes
steam
main
return
radiators
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/05316—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F28D1/05325—Assemblies of conduits connected to common headers, e.g. core type radiators with particular pattern of flow, e.g. change of flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0035—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for domestic or space heating, e.g. heating radiators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S165/00—Heat exchange
    • Y10S165/327—Thermosyphonic having vertical air draft passage
    • Y10S165/331—Air draft passage confined entirely by heat transfer surface
    • Y10S165/332—Coaxial ducts define air draft passage and annular passage for heat exchange fluid

Definitions

  • This invention relates to steam-radiators which are composed,vfor the most part, of independent steamheating pipes or tubes, mounted on a steam box or base, and have combined with them steam-return pipes for promoting circulation in the main pipes, and is applicable to that class of such radiators, among others, in which air heating and circu- 4 lating pipes are also combined with and arranged to pass up within and through the main steam-heating pipes or tubes.
  • the invention consists in a novel construction of the combined main steam and return pipes, in combination with the base with which the main pipes connect, whereby the return-pipes are made to form integral portions of the main pipes with perfect freedom for their independent expansion and contraction, being attached by welding at their upper or outer ends only to the main pipes, and being left free or loose at their opposite or lower ends, also whereby leakage is avoided and labor reduced in fitting together the radiator.
  • the invention also consists in a combination,'with the main steam-heating pipes or tubes, of inner return-steam pipes, attached at or near their upper ends to the main pipes, but extending down below the latter, and a Iwater-pit formed, either. by independent cups or otherwise, in the steam box or base of the radiator, to prevent the blowing of the steam through the return-pipes, and to secure for each return-pipe an independent siphouic action.
  • Figures l and 2 represent vertical longitudinal sections of two modifications of steamradiators having my invention applied.
  • Fig. 3 is a section on line a;
  • a A represent a series of outer steam-heating pipes or tubes, independently mounted on a steam box or base, B, in the cover of' 'which they may be screwed to secure them. These pipes A A form the main steam-pipes of the radiator, and are closed at their upper thereby avoiding leakage and facilitating the fitting together of the radiator, by reason of there being no special litting of the returnpipes necessary.
  • These return-pipes O have their communication with the main pipes A established at their upper ends by any number of small perforations, b, to promote circulation, without detracting from the filling of the main pipes A with the steam.
  • the lower portions of these return-pipes C are left free or loose, so that said pipes may contract and expand independently of the main pipes, and said portions of the pipes O are extended below the main pipes, and their bottom ends, which are open, are arranged to project down within a water-pit, formed either by separate cups d in the bottom of the steam-base B, as shown in Fig. 2, or by the lower portion of the steambase itself, as shown in Fig. l, and in which the water of condensation is allowed to collect, so as to seal or cover the lower ends of the return-pipe C.
  • the water-trap or siphon thus formed prevents the steam, when admitted to the base, from blowing through the return-pipes without filling or keeping up a proper circulation in the main pipes.
  • the steam-return pipes G are disposed to one side of the air heating and circulating pipes, which latter may also be united, by welding, with the upper closed ends of the pipes A, and be tted to screw at their lower vends into or through the lower portionof the steambase B.
  • I claim- 1 The combination, with the steam box or base B, of the outer or main steam-heating pipes A, attached to said base, and the inner steam-return pipes C, united ai: ⁇ their upper or outer ends, by welding, with the main pipes A, but free from or disconnected with the base at their lower or opposite ends, substantially as specified.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)

Description

* TTED STATns PATENT Triton.
GEORGE W. BLAKE, OF NEW YORK, N. Y.
IMPROVEMENT IN STEAM-RADIATORS.
Specification forming part of Letters Patent N o. 189,018, dated April 3, 1877 application filed September 7,1876. i
To all whom it may concern:
Be it known that I, GEORGE W. BLAKE, of the city, county, and State of New York, have invented certain new and useful Improvements in Radiators; and IA do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawing, which forms part of this specification.
This invention relates to steam-radiators which are composed,vfor the most part, of independent steamheating pipes or tubes, mounted on a steam box or base, and have combined with them steam-return pipes for promoting circulation in the main pipes, and is applicable to that class of such radiators, among others, in which air heating and circu- 4 lating pipes are also combined with and arranged to pass up within and through the main steam-heating pipes or tubes.
The invention consists in a novel construction of the combined main steam and return pipes, in combination with the base with which the main pipes connect, whereby the return-pipes are made to form integral portions of the main pipes with perfect freedom for their independent expansion and contraction, being attached by welding at their upper or outer ends only to the main pipes, and being left free or loose at their opposite or lower ends, also whereby leakage is avoided and labor reduced in fitting together the radiator.
The invention also consists in a combination,'with the main steam-heating pipes or tubes, of inner return-steam pipes, attached at or near their upper ends to the main pipes, but extending down below the latter, and a Iwater-pit formed, either. by independent cups or otherwise, in the steam box or base of the radiator, to prevent the blowing of the steam through the return-pipes, and to secure for each return-pipe an independent siphouic action.
Figures l and 2 represent vertical longitudinal sections of two modifications of steamradiators having my invention applied. Fig. 3 is a section on line a;
A A represent a series of outer steam-heating pipes or tubes, independently mounted on a steam box or base, B, in the cover of' 'which they may be screwed to secure them. These pipes A A form the main steam-pipes of the radiator, and are closed at their upper thereby avoiding leakage and facilitating the fitting together of the radiator, by reason of there being no special litting of the returnpipes necessary.
These return-pipes O have their communication with the main pipes A established at their upper ends by any number of small perforations, b, to promote circulation, without detracting from the filling of the main pipes A with the steam. The lower portions of these return-pipes C are left free or loose, so that said pipes may contract and expand independently of the main pipes, and said portions of the pipes O are extended below the main pipes, and their bottom ends, which are open, are arranged to project down within a water-pit, formed either by separate cups d in the bottom of the steam-base B, as shown in Fig. 2, or by the lower portion of the steambase itself, as shown in Fig. l, and in which the water of condensation is allowed to collect, so as to seal or cover the lower ends of the return-pipe C. The water-trap or siphon thus formed prevents the steam, when admitted to the base, from blowing through the return-pipes without filling or keeping up a proper circulation in the main pipes.
When inner air heating and circulating pipes D are combined with the main steampipes, as shown in Fig. 2, then the steam-return pipes G, instead of being concentrically arranged, as in Fig. 1, are disposed to one side of the air heating and circulating pipes, which latter may also be united, by welding, with the upper closed ends of the pipes A, and be tted to screw at their lower vends into or through the lower portionof the steambase B.
I claim- 1. The combination, with the steam box or base B, of the outer or main steam-heating pipes A, attached to said base, and the inner steam-return pipes C, united ai:` their upper or outer ends, by welding, with the main pipes A, but free from or disconnected with the base at their lower or opposite ends, substantially as specified.
2. The combinatlon, with the steam box or` base B and outer or main steam-heating pipes A, of inner steam-return pipes G, attached at or near their upper ends to the main pipes, but extending `below the' latter, and a Water- `pit in the steam box or base, operating to seal the lower ends of the steam-return pipes, essentially as described.
GEO. W. BLAKE.
Witnesses:
A. J. DE LACY, BENJAMIN W. HOFFMAN.
US189018D Improvement in steam-radiators Expired - Lifetime US189018A (en)

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