US20040069296A1 - Heat transfer controller - Google Patents

Heat transfer controller Download PDF

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Publication number
US20040069296A1
US20040069296A1 US10/653,396 US65339603A US2004069296A1 US 20040069296 A1 US20040069296 A1 US 20040069296A1 US 65339603 A US65339603 A US 65339603A US 2004069296 A1 US2004069296 A1 US 2004069296A1
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United States
Prior art keywords
heat
width
heat transfer
configuration
height
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Abandoned
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US10/653,396
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English (en)
Inventor
Matthew Cheng
Doug Hills
George Lau
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FPI Fireplace Products International Ltd
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FPI Fireplace Products International Ltd
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Application filed by FPI Fireplace Products International Ltd filed Critical FPI Fireplace Products International Ltd
Priority to US10/653,396 priority Critical patent/US20040069296A1/en
Assigned to FPI FIREPLACE PRODUCTS INTERNATIONAL, LTD. reassignment FPI FIREPLACE PRODUCTS INTERNATIONAL, LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHENG, MATTHEW M. Y., HILLS, DOUG E., LAU, GEORGE H.K.
Publication of US20040069296A1 publication Critical patent/US20040069296A1/en
Abandoned legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B7/00—Stoves, ranges or flue-gas ducts, with additional provisions for convection heating 

Definitions

  • the present invention relates, generally, to heating systems, and in particular to an improved heat transfer controller for providing control of the heat distribution from such heating systems.
  • a heat transfer controller is configured to control the heat distribution and transfer for a heating system.
  • an exemplary heating system comprises an air intake, an exhaust mechanism, and a heat transfer controller.
  • the heating system can comprise various types of heating configurations, such as fireplaces, stoves, furnaces or other like heating systems.
  • the air intake is configured to receive external air into the heating system, while the exhaust mechanism is configured to exhaust heat from within heating system. Both the air intake and exhaust mechanism can be configured in various manners, shapes and sizes for providing the respective air intake and heat exhaust functions.
  • the heat transfer controller is configured to control the distribution and transfer of heat exhausted from the exhaust mechanism to the heating area.
  • the heat transfer controller comprises a heat deflector having width, length and height configurations of various dimensions that can be suitably configured to provide variable heat transfer control characteristics.
  • the width, length and height of the heat deflector can suitably define planes that can be configured in a conventional X, Y and Z plane, or at various angles in between.
  • the heat transfer controller comprises a heat deflector configured to control the heat transfer and distribution where the greatest heat accumulation or generation can occur within the heating system.
  • the width of the heat transfer controller can be configured to direct and/or transfer heat from an area most likely to have heat accumulated, restricted or increased.
  • the height of the heat transfer controller can be configured to generate a convection effect to pull heat outwards from the area with the greatest heat accumulation.
  • the heat transfer controller comprises a heat deflector having an arch-like configuration.
  • the heat transfer controller is not limited to an arch-like configuration, and can suitably comprise any other configurations, such as triangular, trapezoidal or other like configurations that may be configured to direct and/or transfer heat and/or provide heat convention functions.
  • the heat transfer controller can be configured for control of the surface temperature of the heating system. Through operation of the heat transfer controller, heat is transferred from the heating system, and away from the heating system, preventing the collection and accumulation of heat.
  • FIG. 1 illustrates a block diagram of an exemplary heating system in accordance with an exemplary embodiment of the present invention
  • FIG. 2 illustrates a perspective view of an exemplary heating system in accordance with an exemplary embodiment of the present invention
  • FIGS. 3 A- 3 C illustrate front, top and side views of an exemplary heat transfer controller in accordance with an exemplary embodiment of the present invention.
  • FIG. 4 illustrates a side view of an exemplary heating system having a heat transfer controller in accordance with an exemplary embodiment of the present invention.
  • the present invention may be described herein in terms of various functional components. It should be appreciated that such functional components may be realized by any number of hardware components, electrical and mechanical, configured to perform the specified functions. In addition, the present invention may be practiced in any number of heating system contexts and that the fireplace systems described herein are merely one exemplary application for the invention. Further, it should be noted that the present invention may employ any number of conventional techniques for heat combustion and for transmission and exhaustion of heat from the heating systems, and such general techniques that may be known to those skilled in the art are not described in detail herein.
  • a heat transfer controller is configured to control the distribution and transfer of heat for a heating system.
  • an exemplary heating system 100 comprises an air intake 102 ; an exhaust mechanism 104 , and a heat transfer controller 106 .
  • Heating system 100 can comprise various types of heating configurations.
  • an exemplary heating system 200 can comprise a fireplace configuration having an air intake 202 , an exhaust mechanism 204 , and a heat transfer controller 206 .
  • an exemplary heating system is not limited to fireplaces, such as air-tight or open air fireplace units with and without doors, and can comprise any type of stove, furnace or any other like heating systems configured for generating heat.
  • Air intake 102 is configured to receive external air into heating system 100 for conversion into heating room air.
  • Air intake 102 can comprise various types of configurations for providing an air intake function.
  • air intake 202 can comprise one or more intakes or openings, e.g., a single horizontal opening configured, within a bottom portion of heating system 200 , to receive external air.
  • Air intake 202 can be configured in a horizontal manner, or any other orientations and shapes, such as rectangular, vertical or any other configuration.
  • air intake 202 can also suitably include a grating configuration to restrict and/or regulate the intake of air.
  • air intake 202 can comprise an exemplary grating configuration having a plurality of rectangular openings; in addition, numerous other grating configurations can be realized, such as only horizontal members, vertical members, cross-members, angled members, circular members, or any other shape and configuration, and any combination thereof configured to permit air to be received, but to provide some restriction of entry into the opening. However, no grating configuration is necessary.
  • an exemplary air intake 202 is configured at a bottom portion of heating system 200 , e.g., in the front proximate to a fuel or heat source, an exemplary air intake 202 can be suitably positioned in other manners within heating system 200 .
  • an exemplary air intake 202 can also be configured on either or both sides of a front surface area 208 , the sides of heating system 200 , the top and/or back of heating system 200 , or any other locations configured to receive internal air into heating system 200 .
  • an exemplary air intake 202 can comprise horizontal, vertical and/or curvilinear structures having various lengths, shapes and sizes.
  • air intake 202 can simply comprise crevices, piping, vents or other openings that allow or air to be received within heating system 200 . Accordingly, an air intake 202 can comprise any configuration or manner for receiving air into heating system 200 .
  • an exemplary air intake 202 can also be configured for providing a combustion air source to the fuel source, in addition to provide a source of air for heating.
  • air intake 202 could comprise the front opening of a fireplace configured without doors, wherein air can be received within the open area in the front of the fireplace can be used not only for a source for heating, but also for a source for combustion.
  • air intake 202 can also be suitably separated from the combustion air source, and only provide a source of air for heating.
  • Exhaust mechanism 104 is configured to exhaust heated air from within heating system 100 , such as air received from air intake 102 and heated by heating system 100 .
  • Exhaust mechanism 104 can comprise various types of configurations for providing an exhaust function.
  • an exemplary exhaust mechanism 204 can comprise a vent or opening configured within an upper portion of heating system 200 , e.g., above a heating region, and configured to exhaust heated air.
  • exhaust mechanism 204 can also be configured along the sides, top, bottom and/or back of heating system 200 in any manner to exhaust heated air.
  • exhaust mechanism 204 can also comprise an exemplary grating configuration having a plurality of circular openings; in addition, numerous other grating configurations can be realized, such as only horizontal members, vertical members, cross-members, angled members, and any combination thereof configured to permit air to be exhausted, but to provide some restriction of entry into the opening. However, no grating configuration is necessary.
  • exhaust mechanism 204 can comprise other manners for exhaustion of heated air from heating system 200 .
  • exhaust mechanism 204 can comprise the exhaustion of air through cracks, crevices or other smaller and/or incidental openings.
  • exhaust mechanism 204 can comprise the exhaustion, permeation or other transfer of air through the doors, e.g., glass or metal, or other structure of heating system 200 .
  • exhaust mechanism 204 can comprise the open front area of the fireplace.
  • An exemplary exhaust 204 can also comprise various lengths, shapes and sizes.
  • exhaust mechanism 204 is configured in a curvilinear or arch-like manner.
  • Such an arch-like configuration can facilitate the exhausting of heated air in an area where the heated air is more concentrated or accumulated within heating system 200 , i.e., within the area proximate the center of an arch of exhaust mechanism 204 .
  • such an arch-like configuration can comprise various radiuses of curvature.
  • exhaust mechanism 204 comprises a radius of curvature between approximately 25 inches and 40 inches in length, such as, for example, approximately 30 to 34 inches in length.
  • exhaust mechanism 204 comprises an arch-like configuration
  • exhaust mechanism 204 is not limited to such arch-like configurations, and can comprise other configurations, such as a substantially horizontal configuration, or a triangular, trapezoidal, or other multi-sided configuration. Accordingly, exhaust mechanism 204 can comprise any configuration for exhaustion of heated air from heating system 200 .
  • heat transfer controller 106 is configured to control the distribution and transfer of heat exhausted from exhaust mechanism 104 to the heating area.
  • heat transfer controller 106 comprises a heat deflector having a width, length and height that can be suitably configured to provide variable heat transfer control characteristics.
  • heat transfer controller 206 can comprise a heat deflector suitably configured above exhaust mechanism 204 to direct and transfer heated air exhausted from exhaust mechanism 204 .
  • Heat transfer controller 206 can be configured with variable width Z, length X and height Y dimensions to provide a plurality of heat distribution performance characteristics for heating system 200 .
  • the width, length and height of the heat deflector suitably define planes that can be configured in a conventional X, Y and Z plane, or at various angles in between.
  • heat transfer controller 206 comprises a heat deflector having a width Z comprising an arch-like configuration to direct and/or transfer heat from an area most likely to have heat restricted or increased.
  • a heat transfer controller 300 can comprise a top surface 302 having a maximum width Z MAX and a minimum width Z MIN .
  • heat transfer controller 300 is configured with minimum widths Z MIN located at the ends of the heat deflector, e.g., adjacent to connection or mounting components at the ends of heat transfer controller 300 , and a maximum width Z MAX configured approximately the center of a length X of heat deflector, e.g. proximate to X MID to suitably provide an arch-like configuration 304 .
  • Arch-like configuration 304 can be configured in various manners to direct and/or transfer heat from an area most likely to have heat restricted, accumulated and/or increased.
  • arch-like configuration 304 can comprise a smooth arc configuration having a substantially constant radius of curvature, or an arch having a varying radius of curvature, e.g., a larger radius proximate the ends heat deflector 300 and a smaller radius of curvature proximate the center of heat deflector 300 , or vice versa.
  • arch-like configuration 304 can comprise any arc, semi-circle, semi-oval or other like configuration that allows for maximum width Z MAX to be positioned proximate to the area where the greatest amount of heat that needs to be directed outwards from exhaust mechanism 204 to the heating area.
  • Heat transfer controller 300 can also be configured in other orientations and shapes for the width Z.
  • heat transfer controller 300 can comprise a curvilinear configuration with maximum widths Z MAX located away from the center and towards one or both ends of the heat deflector, and with minimum width Z MIN located approximately the center of the length of the heat deflector, or at various locations in between.
  • the configuration of width Z can be symmetrical about the center point of length X, or non-symmetrical in manner, e.g., configured with maximum width Z MAX on one end and minimum width Z MIN on the other end, or any other non-symmetrical configuration.
  • other shapes and configurations can be realized.
  • heat transfer controller 300 is configured with maximum width Z MAX configured approximately the center of the heat deflector.
  • maximum width Z MAX configured approximately the center of the heat deflector at a midpoint in length X, i.e., at location X MID , facilitates the greatest control of the heat transfer forward and away from heating system 200 .
  • arch-like configuration 304 for heat transfer controller 300 having minimum widths Z MIN located at the ends and maximum width Z MAX configured approximately the center, greater direction and control of the heat from exhaust mechanism 204 where the heat is most likely to build or accumulate.
  • heat transfer controller 300 can be configured for control of the surface temperature of heating system 200 , i.e., control of the temperature of surface area 208 .
  • increasing, the radius of curvature, e.g., increasing maximum width Z MAX can affect the transfer of heat from exhaust 104 .
  • maximum width Z MAX is increased too large in width, a negative effect can result, wherein heat can actually be trapped underneath top surface 302 , instead of being transferred out to the heating area; on the other hand, in the event maximum width Z MAX is too small in width, the heat transfer from exhaust mechanism 204 will tend to flow directly upwards, or be forced towards the sides, heating a surface area 208 as opposed to heating the room area. Accordingly, to provide effective heat transfer and distribution, maximum width Z is suitably configured to facilitate heat transfer instead of accumulating or trapping heated air underneath top surface 302 or allowing heat to travel directly upwards to front surface area 208 and/or the sides of heat transfer controller 300 .
  • arc configuration 304 can include various radiuses of curvature that correspond to different widths Z MAX to facilitate efficient heat transfer, depending on the amount of heat generated and exhausted.
  • heat transfer controller 300 can be configured with minimum widths Z MIN varying between approximately 0.05′′ and 1.50′′, preferably between approximately 0.20′′ and 0.50′′, while maximum width Z MAX varies between approximately 1.50′′ and 4.00′′, preferably between approximately 2.00′′ and 3.00′′, such as approximately 2.5′′ in width.
  • heat transfer controller 300 can include an arc-like configuration 304 in the exemplary embodiment, other variations can be realized, such as a triangle, trapezoidal or other multiple sided deflector configurations, i.e., heat transfer controller 302 can comprise other configurations having minimum widths Z MIN located at the ends and maximum width Z MAX suitably configured approximately the center to direct the greatest flow of heat being exhausted from exhaust mechanism 204 .
  • heat transfer controller 300 can be configured with a width Z in any arrangement that allows for maximum width Z MAX to correspond to the amount of heat that needs to be directed outwards from exhaust mechanism 204 to the heating area.
  • Heat transfer controller 300 can also be configured in various lengths X to control the heat distribution surface along the length of exhaust mechanism 204 .
  • heat transfer controller 300 can be configured with a length X extending past sides 204 A and/or 204 B of exhaust mechanism 204 , extending equal in length to exhaust mechanism 204 , or shorter in length than exhaust mechanism 204 .
  • length X can be positioned at various locations above exhaust mechanism 204 , e.g., closer to side 204 A or closer to side 204 B, if desired. In any event, length X is configured to at least extend over the area where the greatest flow of heat is being generated and/or exhausted from exhaust mechanism 204 .
  • heat transfer controller 300 having maximum width Z MAX configured approximately the center of the heat deflector at a midpoint location X MID , it is desirable, for length X to be centered relative to sides 204 A and 204 B of exhaust mechanism 204 .
  • heat transfer controller 206 is configured with a length X extending past sides 204 A and/or 204 B of exhaust mechanism 204 .
  • length X comprises a length between approximately 30′′ and 40′′, such as approximately 33′′ to 45′′ in length; however, heat transfer controller 300 can comprise any other suitable length depending on the length of exhaust mechanism 204 .
  • Heat transfer controller 300 can also be configured in various heights Y to control the heat distribution from top to bottom for surface area 208 above exhaust mechanism 204 .
  • heat transfer controller 300 can comprise a maximum height Y MAX and a minimum height Y MIN configured in an arch-like arrangement 306 .
  • heat transfer controller 300 is configured with minimum heights Y MIN located at the ends of the heat deflector, and a maximum height Y MAX configured approximately the center of the length of the heat deflector, i.e., proximate to maximum width Z MAX and, location X MID .
  • Maximum height Y MAX can be configured at various dimensions to control the surface temperature of heating system 200 .
  • heat transfer controller 300 can be configured in other manners, e.g., with maximum height Y MAX at one end and minimum height Y MIN in the middle and/or at the other end; heat transfer controller can have a symmetrical or non-symmetrical height Y configuration.
  • the height Y of heat transfer controller 300 can be configured to generate a convection effect to pull heat outwards from the area with the greatest heat accumulations, e.g., with maximum height Y MAX configured proximate midpoint X MID .
  • heat transfer controller 300 provides an arch-type configuration 306 , such as that illustrated in FIG. 3A. Providing an arch configuration 306 generates a convection effect to pull heat outwards from the center of exhaust 104 and out to the heating area.
  • Arch-like configuration 306 can be configured in various manners to generate a convection effect to pull heat outwards from the center of exhaust 104 and out to the heating area.
  • arch-like configuration 306 can comprise a smooth-arc configuration having a substantially constant radius of curvature, or an arch having a varying radius of curvature, e.g., a larger radius proximate the ends heat transfer controller 300 and a smaller radius of curvature proximate the center of heat transfer controller 300 , or vice versa.
  • arch-like configuration 306 can comprise any arc, semi-circle, semi-oval or other like configuration that can be configured for facilitating control of heat distribution and/or a convection effect to pull heat outwards from the center of exhaust mechanism 204 and to the heating area.
  • Arch configuration 306 can also be configured with various radiuses of curvature.
  • heat transfer controller 300 can be configured with minimum heights Y MIN varying between approximately 0.01′′ and 1.00′′, preferably between approximately 0.05′′ and 0.25′′, while maximum height Y MAX varies between approximately 1′′ and 10′′, preferably between approximately 3′′ and 5′′. In the exemplary embodiment illustrated in FIG. 3A, maximum height Y MAX comprises approximately 4′′ in height.
  • maximum height Y MAX and a minimum height Y MIN can be suitably adjusted, such as by sliding the ends of the heat deflector upwards and downwards in a track configured at the ends of the heat deflector, to a desired heat control position.
  • heat transfer controller 300 can be readily positioned at various heights above exhaust mechanism 204 depending on the amount of heat exhausted and the amount of heat that is to be transferred.
  • heat transfer controller 300 can comprise an arch-type configuration 306 for the height Y to provide control the heat distribution and/or generate a convection effect to pull heat outwards from the area with the greatest heat accumulations
  • heat transfer controller 300 is not limited to an arch-type configuration for the height Y.
  • other variations can be realized, such as a triangle, trapezoidal or other multiple sided deflector configurations having minimum heights Y MIN located proximate the ends and maximum height Y MAX configured proximate the center of length X of the heat deflector.
  • heat transfer controller 300 can be configured with any height Y for facilitating control of heat distribution and/or a convection effect to pull heat outwards from the center of exhaust mechanism 204 and to the heating area.
  • an exemplary heat transfer controller 300 can comprise one or both of these features, i.e., a heat transfer controller 102 can comprise either arch-like configuration 304 or arc-like configuration 306 ; or both arch configuration 304 and arc-like configuration 306 .
  • heat transfer controller 300 can comprise other width Z and height Y configurations, e.g., a triangular configuration for width Z and arch-like for height Y, an arch-like configuration for width Z and a various multiple-sided configuration for width Y, a configuration with one of width Z or height Y having a substantially constant dimension across the length, or any other combinations.
  • heat transfer controller 300 can be configured in any manner with at least one of maximum width Z MAX and maximum height Y MAX configured proximate to midpoint X MID .
  • Heat transfer controller 300 can also comprise various thickness, either uniform or non-uniform in nature.
  • heat transfer controller 300 can comprise a first thickness proximate to midpoint X MID , and then tapering down to a smaller thickness, or expanding to a larger thickness, at one or both ends.
  • heat transfer controller 300 can have a first thickness along the-edge coupled to heating system 200 , and then tapering down to a smaller thickness, or expanding to a larger thickness, at the outer edges away from heating system 200 .
  • heat transfer controller 300 can comprise any thickness configured to allow transfer and distribution of heat from heating system 200 .
  • heat transfer controller 300 can be configured to further provide variable control of the heat transfer rate.
  • the angles ZX, YX and YZ between the various X, Y and Z axis of heat transfer controller 200 can be suitably varied to control the heat transfer rate.
  • a heating system 400 can comprise a heat transfer controller 300 having a width Z configured with an approximate 90 degree angle relative to the height Y, i.e., the Z axis is perpendicular to the Y axis.
  • top surface 302 can be suitably configured in other orientations, such as being angled downwards or upwards.
  • angle YZ can control the distribution of heat to the heating area, as well as the amount of heat of the surface area of heating system 400 .
  • angling top surface 302 upwards will reduce the amount of heat flow restriction, and hence will increase the heat transfer rate
  • angling top surface 302 downwards will increase the amount of heat flow restriction and/or accumulation, and hence will decrease the heat transfer rate.
  • any of the width, length, and height of heat transfer controller 300 can be configured in parallel or non-parallel to the X, Y and Z axis, e.g., length X can be slanted slightly upwards to one side or the other of exhaust mechanism 204 . Still further, heat transfer controller 300 can have the XY plane suitably shifted, e.g., heat transfer controller 300 can be suitably shifted outwards away from front surface area 208 .
  • the present invention sets forth a heat transfer controller that is applicable to various heating system applications. It will be understood that the foregoing description is of exemplary embodiments of the invention, and that the invention is not limited to the specific forms shown. Various modifications may be made in the design and arrangement of the elements set forth herein without departing from the scope of the invention.
  • the heat transfer controller can comprise various metal alloys, a single part or multiple components, can be firmly attached to the heating system, variably adjusted and/or rotated, or can be permanently attached to the heating system by any manner available for connecting a heat deflector to a heating system, such as brackets, connectors, welding, forging and the like, or suitably molded or otherwise integrally configured within the heating system.
  • width and height configurations can comprise substantially planar or straight arrangements, and/or a curved, beveled, wavy or other configurations.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Resistance Heating (AREA)
  • Electric Stoves And Ranges (AREA)
  • Blinds (AREA)
US10/653,396 2002-08-28 2003-08-28 Heat transfer controller Abandoned US20040069296A1 (en)

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US10/653,396 US20040069296A1 (en) 2002-08-28 2003-08-28 Heat transfer controller

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US20070060358A1 (en) * 2005-08-10 2007-03-15 Amaitis Lee M System and method for wireless gaming with location determination
US20090279851A1 (en) * 2008-04-09 2009-11-12 Sony Corporation Captured image data management method and image capturing apparatus
US10957150B2 (en) 2006-04-18 2021-03-23 Cfph, Llc Systems and methods for providing access to wireless gaming devices
US11182462B2 (en) 2006-11-15 2021-11-23 Cfph, Llc Biometric access sensitivity
US11229835B2 (en) 2006-05-05 2022-01-25 Cfph, Llc Systems and methods for providing access to wireless gaming devices

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FR2941769B1 (fr) * 2009-02-05 2012-04-20 Olivier Marion Wojnecki Casquette anti noircissement pour grille de diffusion d'air chaud de cheminee

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AU2003267759A1 (en) 2004-03-19

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