US2050465A - Water heater - Google Patents

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Publication number
US2050465A
US2050465A US74021A US7402136A US2050465A US 2050465 A US2050465 A US 2050465A US 74021 A US74021 A US 74021A US 7402136 A US7402136 A US 7402136A US 2050465 A US2050465 A US 2050465A
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United States
Prior art keywords
pipes
casing
water
spiral
heated air
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Expired - Lifetime
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US74021A
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Salvo Louis
Salvo Pete
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Individual
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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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/40—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
    • F24H1/43—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes helically or spirally coiled
    • 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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • F28D7/163—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing
    • 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
    • Y10S165/355—Heat exchange having separate flow passage for two distinct fluids
    • Y10S165/40—Shell enclosed conduit assembly
    • Y10S165/427—Manifold for tube-side fluid, i.e. parallel
    • Y10S165/436—Bent conduit assemblies
    • Y10S165/437—Coiled
    • Y10S165/438—Helical

Definitions

  • This invention relates to improvements in water heaters.
  • An object of our invention is to provide an improved water heater having a series of spirally arranged water carrying pipes which form a spiral flue through which the heated gases from a furnace or other source may be conducted.
  • Another object of our invention is to provide an improved water heater having upper and lowor water containing chambers which are connected by spirally arranged pipes that form a spiral flue for the upward passage of heated air or gases of combustion coming from a furnace or other suitable source.
  • a further object of our invention is to provide an improved water heater having a highly eflicient construction adapted to utilize for heating purposes the gases of combustion which ordinarily pass through a furnace and are discharged Without being further used.
  • Fig. 1 is a vertical sectional view of a water heater embodying the preferred form of our invention.
  • Fig. 2 is a sectional view taken on the line 2--2 of Fig. 1.
  • the numerals I and 2 designate, respectively, the inner and outer spaced walls of a water containing casing having a chamber 3 which is supplied with water from a suitable source by a pipe 4.
  • the interior of the casing serves as a heat chamber 5 which is supplied with heated air or gas by a pipe 6 connected to a furnace or other suitable means for supplying heated air or gas.
  • a flue 1 which allows the heated air or gas to escape from the said chamber when a damper 8 normally closing the inwardly disposed end of the said flue is in an upraised position as indicated by the dotted lines in Fig. 1.
  • the damper 8 is aflixed, as by a set screw, to a pivoted rod 9 associated with suitable hand operated or thermostatic control means which functions in the usual manner to move the damper to an upraised position when the water in the coiled water carrying pipes reaches a desirable temperature, thereby allowing the heated air or gas entering the chamber 5 to pass upwardly through the flue 7 without contacting the said water carrying pipes.
  • the lower side of the casing is provided with a central opening 10 which is normally closed by a door H, the said opening serving as means for cleaning the inside of the said casing.
  • the upper end of the casing is provided with a centrally disposed opening 52 through which the heated air or gas from the chamber 5 may pro- 5 ceed.
  • the upper side of the inner wall I of the casing is provided at points adjacent the central opening l2 with a depending ring shaped member l3 of triangular cross section having an annular chamber I l therein.
  • the lower end of the 10 ring shaped member I3 is provided with a central opening through which heated air or gas from the chamber 5 may proceed in an upward direction and one or more side openings 13 in the said ring shaped member allows the said heated 15 air or gas to proceed into the annular chamber I l.
  • the damper 8 when in an upraised position engages with the lower end of the ring shaped member I3 and prevents the heated air or gas from passing into the said member.
  • the upper side of the casing is provided with openings l5 through which the heated air or gas may pass from the annular chamber l4 into an enclosed space located directly above the said casing. Secured to the casing by any suitable means is a cylindrical shell It having an insulating jacket H covering its outer surface.
  • a hollow water containing member I3 having a discharge pipe l9 secured thereto through which heated water may -0 be withdrawn.
  • the member I8 is provided with a central opening l8 through which heated air or gas may proceed.
  • a flue extension 29 connecting with the main flue 1 and provided with a damper M which may be hand operated or controlled in the usual manner by suitable thermostatic control means.
  • a hood 22 Mounted on the top of the member I8 is a hood 22 having an outlet 23 which discharges heated air or gas into another flue extension 24 connecting also with the main flue l.
  • the water containing member 13 is provided with a plurality of openings 25 through which heated air or gas may proceed from the interior of the shell l6 into the interior of the hood 22.
  • a series of spirally disposed pipes 26 Suitably connected to the upper side of the outer wall 2 of the casing and to the lower wall of water containing member I8 are a series of spirally disposed pipes 26 which carry heated water from the chamber 3 of the casing to the interior of the said member l8.
  • the pipes 26 are arranged in circular order and are connected to the member l8 and. the upper side of the wall 2 near their peripheries.
  • the pipes 26 preferably contact with one another and form a vertical cylindrical wall.
  • a series of spirally disposed pipes 21 which carry heated water from the chamber 3 of the casing to the interior of the said member [9.
  • the pipes 2! are arranged in circular order and are connected to the member l8 and the upper side of the wall 2 at points adjacent the central openings i9 and 2.
  • the pipes 21 preferably contact with one another and form a vertical cylindrical wall which is concentric with and disposed inside of the cylinder formed by the pipes 26.
  • a series of spirally disposed pipes 28 which engage with one another and are disposed laterally of one another at points where they extend upwardly in a spiral fashion.
  • the pipes 28 are located between the sets of pipes 26 and 21 and form a spiral partition which together with the pipes 26 and 21, provide an enclosed spiral flue for the upward passage of the heated air or gas from the opening 15 in the upper side of the casing to the opening 25 in the member l8.
  • the damper 2! is closed, thereby causing the greater part of the heated air or gas entering the central opening in the ring shaped member l3 from the chamber 5 in the casing to proceed outwardly through the openings l3, into the annular chamber I l and thence through the openings 55 in the upper side of the casing and into the spiral flue which is formed by the three sets of spirally disposed pipes 26, 27, and 28.
  • a water heater comprising an enclosing shell, a water containing casing located at the lower end of the shell having a water inlet, a
  • water containing member located at the upper end of the shell having a water outlet, a plurality of sets of spiral water carrying pipes connected to the casing and to the water containing member, one set consisting of a plurality of pipes forming an outer substantially vertical cylindrical wall, another set consisting of a plurality of pipes forming an inner substantially vertical cylindrical wall, and a third set forming a spiral partition located between the cylindrical walls formed by two first mentioned sets of pipes, the three sets of pipes forming an enclosed spiral passageway for the passage of heated air or gases emerging from the casing.
  • a water heater comprising an enclosing shell, a water containing casing located at the bottom of the shell, the said casing having inlet and' outlet means for heated air or gas and also water inlet means, a water containing member located at the upper end of the shell having a water outlet, a plurality of sets of spiral water carrying pipes interposed between and connected to the casing and the water containing member, one set of pipes forming an outer substantially vertical cylindrical wall, another set of pipes forming an inner substantially vertical cylindrical wall and third set forming a spiral partition located between the cylindrical walls formed by the first two mentioned sets of pipes, the three sets of pipes forni passageway extending from the air outlet means of the casing to an air outlet means in the water containing member.
  • a water heater comprisingan enclosing shell, a water containing casing located at the lower end of the shell having a water inlet, a water containing member located at the upper end of the shell having a water outlet, a plurality of sets of water carrying pipes interposed between and connected to the casing and to the water containing member, one set consisting of a plurality of pipes forming an outer substantially vertical cylindrical wall, another set consisting of a plurality of pipes forming an inner substantially vertical cylindrical wall, and a third set consisting of a plurality of spiral pipes forming a spiral partition located between the cylindrical walls formed by two first mentioned sets of pipes, the three sets of pipes forming an enclosed spiral passageway for the passage of heated air or gases emerging from the casing.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Description

Aug. 11, 1936. L A V ET AL 2,050,465 1 WATER HEATER Filed April 13, 1936 2 Sheets-Sheet l INVENTORS. LOU/S SALVO.
PETE SALVO.
ya/941m ATTORNEY.
Aug. 11, 1936. SALVO ET AL I 2,050,465
' WATER HEATER Filed April 13, 1956 2 Sheets-Sheet 2 INVENTORS.
LOUIS SALI O- PETE SALVO.
ATTORNEY.
Patented Aug. 11, 1936 UNITED STATES PATENT oFFIcE 3 Claims.
This invention relates to improvements in water heaters.
An object of our invention is to provide an improved water heater having a series of spirally arranged water carrying pipes which form a spiral flue through which the heated gases from a furnace or other source may be conducted.
Another object of our invention is to provide an improved water heater having upper and lowor water containing chambers which are connected by spirally arranged pipes that form a spiral flue for the upward passage of heated air or gases of combustion coming from a furnace or other suitable source.
A further object of our invention is to provide an improved water heater having a highly eflicient construction adapted to utilize for heating purposes the gases of combustion which ordinarily pass through a furnace and are discharged Without being further used.
Other and further objects of our invention will present themselves or will be pointed out hereinafter.
In the accompanying drawings:
Fig. 1 is a vertical sectional view of a water heater embodying the preferred form of our invention; and
Fig. 2 is a sectional view taken on the line 2--2 of Fig. 1.
Referring to the'drawings the numerals I and 2 designate, respectively, the inner and outer spaced walls of a water containing casing having a chamber 3 which is supplied with water from a suitable source by a pipe 4. The interior of the casing serves as a heat chamber 5 which is supplied with heated air or gas by a pipe 6 connected to a furnace or other suitable means for supplying heated air or gas. Also connected to the chamber 5 is a flue 1 which allows the heated air or gas to escape from the said chamber when a damper 8 normally closing the inwardly disposed end of the said flue is in an upraised position as indicated by the dotted lines in Fig. 1. The damper 8 is aflixed, as by a set screw, to a pivoted rod 9 associated with suitable hand operated or thermostatic control means which functions in the usual manner to move the damper to an upraised position when the water in the coiled water carrying pipes reaches a desirable temperature, thereby allowing the heated air or gas entering the chamber 5 to pass upwardly through the flue 7 without contacting the said water carrying pipes.
The lower side of the casing is provided with a central opening 10 which is normally closed by a door H, the said opening serving as means for cleaning the inside of the said casing. The upper end of the casing is provided with a centrally disposed opening 52 through which the heated air or gas from the chamber 5 may pro- 5 ceed. The upper side of the inner wall I of the casing is provided at points adjacent the central opening l2 with a depending ring shaped member l3 of triangular cross section having an annular chamber I l therein. The lower end of the 10 ring shaped member I3 is provided with a central opening through which heated air or gas from the chamber 5 may proceed in an upward direction and one or more side openings 13 in the said ring shaped member allows the said heated 15 air or gas to proceed into the annular chamber I l. The damper 8 when in an upraised position engages with the lower end of the ring shaped member I3 and prevents the heated air or gas from passing into the said member. The upper side of the casing is provided with openings l5 through which the heated air or gas may pass from the annular chamber l4 into an enclosed space located directly above the said casing. Secured to the casing by any suitable means is a cylindrical shell It having an insulating jacket H covering its outer surface. Mounted at the upper end of the shell I6 is a hollow water containing member I3 having a discharge pipe l9 secured thereto through which heated water may -0 be withdrawn. The member I8 is provided with a central opening l8 through which heated air or gas may proceed. Connected to the member l8 at points where the opening I8 is located is a flue extension 29 connecting with the main flue 1 and provided with a damper M which may be hand operated or controlled in the usual manner by suitable thermostatic control means. Mounted on the top of the member I8 is a hood 22 having an outlet 23 which discharges heated air or gas into another flue extension 24 connecting also with the main flue l. The water containing member 13 is provided with a plurality of openings 25 through which heated air or gas may proceed from the interior of the shell l6 into the interior of the hood 22. Suitably connected to the upper side of the outer wall 2 of the casing and to the lower wall of water containing member I8 are a series of spirally disposed pipes 26 which carry heated water from the chamber 3 of the casing to the interior of the said member l8. The pipes 26 are arranged in circular order and are connected to the member l8 and. the upper side of the wall 2 near their peripheries. The pipes 26 preferably contact with one another and form a vertical cylindrical wall. Also suitably connected to the upper side of the outer wall 2 of the casing and the lower wall of the member l8 are a series of spirally disposed pipes 21 which carry heated water from the chamber 3 of the casing to the interior of the said member [9. The pipes 2! are arranged in circular order and are connected to the member l8 and the upper side of the wall 2 at points adjacent the central openings i9 and 2. The pipes 21 preferably contact with one another and form a vertical cylindrical wall which is concentric with and disposed inside of the cylinder formed by the pipes 26. Similarly connected to the wall 2 and to the member [8 are a series of spirally disposed pipes 28 which engage with one another and are disposed laterally of one another at points where they extend upwardly in a spiral fashion. The pipes 28 are located between the sets of pipes 26 and 21 and form a spiral partition which together with the pipes 26 and 21, provide an enclosed spiral flue for the upward passage of the heated air or gas from the opening 15 in the upper side of the casing to the opening 25 in the member l8. In ordinary practice the damper 2! is closed, thereby causing the greater part of the heated air or gas entering the central opening in the ring shaped member l3 from the chamber 5 in the casing to proceed outwardly through the openings l3, into the annular chamber I l and thence through the openings 55 in the upper side of the casing and into the spiral flue which is formed by the three sets of spirally disposed pipes 26, 27, and 28. The spiral movement of the rising heated air and its intimate engagement with the sets of spiral pipes, enables the rising water in the said pipes to be efficiently and quickly heated before it emerges into the hollow water containing member i8. When it is desired that the water before its withdrawal from the member l8 be somewhat cooler, the damper 21 is opened, thereby causing the greater part of the rising heated air or gas to pass upwardly inside the cylinder formed by the spiral set of pipes 21, without proceeding in a spiral manner as above described.
It is understood that our invention may embody various modifications within the scope of the appended claims.
Having described our invention what we claim 1. A water heater comprising an enclosing shell, a water containing casing located at the lower end of the shell having a water inlet, a
water containing member located at the upper end of the shell having a water outlet, a plurality of sets of spiral water carrying pipes connected to the casing and to the water containing member, one set consisting of a plurality of pipes forming an outer substantially vertical cylindrical wall, another set consisting of a plurality of pipes forming an inner substantially vertical cylindrical wall, and a third set forming a spiral partition located between the cylindrical walls formed by two first mentioned sets of pipes, the three sets of pipes forming an enclosed spiral passageway for the passage of heated air or gases emerging from the casing.
2. A water heater comprising an enclosing shell, a water containing casing located at the bottom of the shell, the said casing having inlet and' outlet means for heated air or gas and also water inlet means, a water containing member located at the upper end of the shell having a water outlet, a plurality of sets of spiral water carrying pipes interposed between and connected to the casing and the water containing member, one set of pipes forming an outer substantially vertical cylindrical wall, another set of pipes forming an inner substantially vertical cylindrical wall and third set forming a spiral partition located between the cylindrical walls formed by the first two mentioned sets of pipes, the three sets of pipes forni passageway extending from the air outlet means of the casing to an air outlet means in the water containing member.
3. A water heater comprisingan enclosing shell, a water containing casing located at the lower end of the shell having a water inlet, a water containing member located at the upper end of the shell having a water outlet, a plurality of sets of water carrying pipes interposed between and connected to the casing and to the water containing member, one set consisting of a plurality of pipes forming an outer substantially vertical cylindrical wall, another set consisting of a plurality of pipes forming an inner substantially vertical cylindrical wall, and a third set consisting of a plurality of spiral pipes forming a spiral partition located between the cylindrical walls formed by two first mentioned sets of pipes, the three sets of pipes forming an enclosed spiral passageway for the passage of heated air or gases emerging from the casing.
LOUIS SALVO. PETE SALVO.
ng an enclosed spiral
US74021A 1936-04-13 1936-04-13 Water heater Expired - Lifetime US2050465A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2446880A (en) * 1941-06-28 1948-08-10 Little Inc A Distillation and heat exchange apparatus
US2817950A (en) * 1951-01-20 1957-12-31 Philips Corp Hot-gas reciprocating engine construction
US3163209A (en) * 1960-06-07 1964-12-29 United Aircraft Corp Heat storage unit
US3163210A (en) * 1960-05-27 1964-12-29 United Aircraft Corp Heat exchanger
FR2400177A1 (en) * 1977-08-12 1979-03-09 Mueller Paul Co Hot water system with condenser - has heat exchanger comprising coiled plate with horizontal coolant passage at top
US4146089A (en) * 1976-03-29 1979-03-27 Paul Mueller Company Hot water system and condensing unit therefor
US4305456A (en) * 1977-08-12 1981-12-15 Paul Mueller Company Condenser and hot water system
US4313491A (en) * 1978-06-30 1982-02-02 Molitor Industries, Inc. Coiled heat exchanger
US20050115699A1 (en) * 2002-01-21 2005-06-02 Thierry Nuris Coil for coolant circulation, method for making same and reactor comprising same

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2446880A (en) * 1941-06-28 1948-08-10 Little Inc A Distillation and heat exchange apparatus
US2817950A (en) * 1951-01-20 1957-12-31 Philips Corp Hot-gas reciprocating engine construction
US3163210A (en) * 1960-05-27 1964-12-29 United Aircraft Corp Heat exchanger
US3163209A (en) * 1960-06-07 1964-12-29 United Aircraft Corp Heat storage unit
US4146089A (en) * 1976-03-29 1979-03-27 Paul Mueller Company Hot water system and condensing unit therefor
FR2400177A1 (en) * 1977-08-12 1979-03-09 Mueller Paul Co Hot water system with condenser - has heat exchanger comprising coiled plate with horizontal coolant passage at top
US4305456A (en) * 1977-08-12 1981-12-15 Paul Mueller Company Condenser and hot water system
US4313491A (en) * 1978-06-30 1982-02-02 Molitor Industries, Inc. Coiled heat exchanger
US20050115699A1 (en) * 2002-01-21 2005-06-02 Thierry Nuris Coil for coolant circulation, method for making same and reactor comprising same
US7549462B2 (en) * 2002-01-21 2009-06-23 Rhodia Polyamide Intermediates Coil for coolant circulation, method for making same and reactor comprising same

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