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EP1815192A1 - Echangeur thermique pour rechauffeur d'air - Google Patents

Echangeur thermique pour rechauffeur d'air

Info

Publication number
EP1815192A1
EP1815192A1 EP05820788A EP05820788A EP1815192A1 EP 1815192 A1 EP1815192 A1 EP 1815192A1 EP 05820788 A EP05820788 A EP 05820788A EP 05820788 A EP05820788 A EP 05820788A EP 1815192 A1 EP1815192 A1 EP 1815192A1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
air
cross
sectional geometry
perspective
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP05820788A
Other languages
German (de)
English (en)
Inventor
Andreas Ludwig
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Webasto SE
Original Assignee
Webasto SE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Webasto SE filed Critical Webasto SE
Publication of EP1815192A1 publication Critical patent/EP1815192A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
    • F28F1/422—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element with outside means integral with the tubular element and inside means integral with the tubular element
    • 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
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
    • F24H3/065—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators using fluid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/02—Tubular elements of cross-section which is non-circular
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/124—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and being formed of pins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element

Definitions

  • the invention relates to a heat exchanger for an air heater for integration into an air-conducting housing, wherein the heat exchanger has a longitudinal axis and the heat exchanger is flowed around substantially perpendicular to the longitudinal axis of air in a main flow direction.
  • auxiliary heaters for vehicles especially for commercial vehicles, mainly separated from the on-board heating-air conditioning unit, vorlie ⁇ also referred to as vehicle air conditioner, installed.
  • Der ⁇ like additional heaters are, for example, realized as Heilmosge ⁇ devices that are used as auxiliary heaters and / or as parking heaters.
  • the position chosen for the integration of the air heater into the heating / air conditioning unit and the design of the air heater are largely responsible for the function, cost-effectiveness and security of the integration. It is therefore desirable to combine the various with the introduction of the air heater in the heating-air conditioning unit to recognize standing problems and to provide appropriate solutions, so that ultimately a successful overall concept is available.
  • One problem is related to the high weight of the heat exchanger body, which is generally produced by a pressure casting technique. Due to the high weight, in particular, the housing carrying the vehicle heater must be designed to be correspondingly stable.
  • an air heater be ⁇ Another important requirement of an air heater be ⁇ is to arrange this so that a transfer of combustion gases is excluded in the air flowing around the air heater air. Furthermore, it is to be ensured that the air used for the combustion is taken from the outer region of the motor vehicle, that is to say, in particular, not from the interior. An improvement with regard to the location of the various connecting pieces of the air heater is also desirable.
  • the invention builds on the generic heat exchanger in that the heat exchanger perpendicular to the main
  • Flow direction has a cross-sectional geometry, compared to a circular cross-sectional geometry flattened. This results in a cross-sectional geometry favoring the reduction of the flow resistance.
  • cross-sectional geometry is oval.
  • cross-sectional geometry of the cross-sectional geometry of an aircraft wing is similar.
  • cross-sectional geometry may be spindle-shaped.
  • the heat exchanger body and the heat exchanger bottom are manufactured separately.
  • Such a multi-part design of the heat exchanger body increases the variability with regard to possible constructional variants as well as with regard to possible production methods.
  • by manufacturing the heat exchanger bottom separately from the heat exchanger core it is possible to use additional manufacturing methods for the heat exchanger core. With a suitable choice of the manufacturing process can thereby reduce the weight of the heat exchanger.
  • the heat exchanger body has a heat exchanger core and heat exchanger surfaces, and that the heat exchanger core and the components providing the heat exchanger surfaces are at least partially manufactured separately.
  • This separate production possibility is considered to be advantageous against the background of a possible weight reduction and a higher variability with regard to the design of the components and the production methods.
  • the components providing the heat transfer surfaces are shrunk and / or pressed onto the heat exchanger core.
  • the heat-exchange head and the heat exchanger ground preferably by welding, brazing, gluing and / or screwing to the heat exchanger core gas ⁇ tightly connected is for example disk-benartig trained individual heat transfer surfaces the opportunity available, these shrink against the core or réellepressen ' whereby a further possibility for variation of the production methods is available.
  • the heat exchanger core is manufactured as diecasting part.
  • Such a die-cast part is indeed relatively heavy, but on the other hand comparatively inexpensive to manufacture.
  • the heat exchanger core has an inner profile.
  • the heat-transmitting inner surface of the heat exchanger can be increased, so that in turn the total space can be reduced in total.
  • the heat exchanger core is manufactured in an extrusion molding process.
  • the wall thicknesses of the heat exchanger can be selected to be lower compared to diecasting processes, in particular due to unnecessary draft angles, so that the total weight can be reduced. Thinner internal ribbing can also be provided in comparison to diecasting, so that in turn an enlarged heat-transmitting inner surface is provided.
  • the extrusion process it is possible to integrate in the extruded profile, the geometry for Be ⁇ consolidation of heat exchanger head, burner, (2004) leyerbo ⁇ the etc., for example in the form of Kern ⁇ hole holes for thread.
  • the heat exchanger body has on its outside a multiplicity of bars which provide heat exchanger surfaces. By such a plurality of rods, a very large surface can be provided for heat transfer to the air to be heated.
  • the heat exchanger body prefferably has a heat exchanger core and for the plurality of rods to be formed at least partially in one piece with the heat exchanger core.
  • the rods on a separate component or in one piece with the heat exchanger core, different advantages can be recognized, for example on the one hand with regard to variability and on the other hand with regard to the simplicity of the overall manufacturing process.
  • the heat exchanger body has on its outside a multiplicity of corrugated ribs which provide heat transfer surfaces.
  • the heat exchanger body has a heat exchanger core and that the plurality of corrugated fins is at least partially applied to the heat exchanger core by means of a separate component or as separate components.
  • the heat exchanger body prefferably has a heat exchanger core and for the multiplicity of corrugated fins to be formed at least partially in one piece with the heat exchanger core. It makes sense not to derar ⁇ term heat exchanger surfaces via screw or similar connections to the heat transfer core to but by welding, soldering, shrinking or pressing on one or more suspended surface parts or whole packages.
  • the heat exchanger body is constructed from a plurality of heat exchanger body modules. This, in turn, also increases the variability, since differently shaped and, in particular, different sized heat exchangers can be produced from individual heat exchanger body modules.
  • the heat exchanger body modules are manufactured in a die casting process. If you do not want to deviate from the production of the heat exchanger in the conventional die-casting process, the modular production offers advantages, since only short and thereby less demanding draft angles are erforder ⁇ Lich.
  • the heat exchanger body modules are at least partially identical. There are then, especially in the case of the die-casting process, no different tools required.
  • the heat exchanger body is produced at least partially in a pressure casting process using two cores, wherein the cores are removed in opposite demolding directions.
  • the maximum thickness of the Entformungsschrägen can be reduced, resulting in a weight saving.
  • the flow guide elements are designed in the manner of a screw thread, as blades, meander-shaped components, baffles and / or perforated pipes. These and many other possibilities improve the overall heat transfer.
  • a flange plate is provided by means of sealing elements between a Montage ⁇ point for the air heater and the flange plate and between the air heater and the flange plate at least seals an exhaust discharge against the vehicle interior.
  • a flange plate ensures that the exhaust gas can be conducted to the outside air as short a path as possible, whereby there is no danger of exhaust gases entering the interior of the vehicle.
  • the flange plate is a combustion air supply against the vehicle sealing space.
  • the combustion air is taken from the exterior of the vehicle.
  • the flange plate has a passage for a fuel supply.
  • all connections through which gases and liquids are transported are localized in the area of the flange plate, which brings with it advantages for the connection of the air heater to the overall concept.
  • the invention is based on the finding that an air heater can be integrated into a heating air conditioning system of a motor vehicle, in particular of a commercial vehicle, in an economical manner which is suitable with regard to functionality. This can be attributed in particular to the high variability of the heat exchanger provided according to the invention and to the positive properties of the heat exchanger with regard to weight, flow behavior and heat transfer behavior.
  • Figure 1 is a perspective view of an air heater
  • FIG. 2 is a perspective view of an air heater without heat exchanger
  • FIG. 3 shows a perspective view of an air heater without heat exchanger, disassembled into burner head and burner unit;
  • FIG. 4 is a perspective view of a heat exchanger
  • Figure 5 is a perspective view of individual compo nents a heat exchanger
  • FIG. 6 is a perspective view of an air heating appliance with a housing fastening arranged thereon;
  • Figure 7 is a sectional view of a heat exchanger core with an oval cross-section
  • FIG. 8 shows a sectional view of a heat exchanger core with a wing-shaped cross section
  • Figure 9 is a sectional view of a heat exchanger core with spindle-shaped cross-section
  • Figure 10 shows a heat exchanger and a separate component for heat transfer in perspective Darstel ⁇ development
  • FIG. 12 shows a heat exchanger in perspective illustration
  • 13 shows a heat exchanger in perspective Darstel ⁇ development
  • FIG. 14 is a perspective view of a plurality of identical heat exchanger body modules
  • Figure 15 is a cutaway perspective view of a heat exchanger
  • FIG. 16 shows a perspective view of a combustion tube
  • FIG. 17 is a perspective view of a combustion tube
  • Figure 18 is a perspective view of a Brennroh ⁇ res.
  • the air heater 12 comprises a heat exchanger 10, which is mounted on a burner unit 60, and a burner head 62.
  • the burner head 62 includes a blower motor 64 and a control unit 66, the essential Components of a combustion air blower unit 68 form.
  • a nozzle 56 is further provided for a Brenn ⁇ air supply.
  • On the burner unit 60 ei ⁇ ne fuel supply 58 and a nozzle 54 are provided for an exhaust gas discharge.
  • a flange plate 48 is arranged, the openings for the für ⁇ leadership of the fuel supply 58 and the combustion air supply 56 has. The function of the flange plate 48 will be explained in more detail with reference to FIG.
  • the heat exchanger 10 placed on the burner unit 60 has a ribbed structure on its outer side, in order thereby to enlarge the area for heat transfer to the air circulating around the heat exchanger 10.
  • the air heater 12 is preferably arranged with respect to the air flow of the air to be heated so that the air flows in and out perpendicular to the axis of the heat exchanger 10 and flows around the heat exchanger 10.
  • FIG. 2 shows a perspective view of an air heater 12 without heat exchanger.
  • the burner unit 60 comprises a burner tube 70, in which hot gases are produced by flame formation, which transfer their heat energy to the heat exchanger 10, not shown in FIG.
  • a plurality of holes 72 are formed in the shell of the burner tube 70.
  • FIG. 3 shows a perspective view of an air heater 12 without a heat exchanger, disassembled into the burner head and burner unit. It is clear from this illustration that the burner head 60 is connected via a flange connection 74, 76 is connected to the burner unit 60. Furthermore, it becomes clear in this representation that the flange plate 48 is fixedly connected to the exhaust gas outlet 54, while a passage in the flange plate is provided for the combustion air supply 56.
  • FIG. 4 shows a perspective view of a heat exchanger 10.
  • a rib structure can be seen, which provides heat transfer surfaces 22.
  • FIG. 5 shows a perspective view of individual components of a heat exchanger 10.
  • the heat exchanger 10 is designed in several parts. It includes a heat exchanger core 20, components 24 with heat exchanger surfaces 22, a heat exchanger base 16 and a heat exchanger head 18. Depending on the design of the burner head 62 and / or the burner unit 60, the heat exchanger head 18 may be dispensable. Within the heat exchanger core 20, an inner profile 30 is provided in order to improve the heat transfer from the hot gases produced in the burner tube 70 to the heat exchanger 10.
  • the heat exchanger head 18 and the heat exchanger base 16 can be produced by various techniques, for example by deep drawing, die casting or by machining.
  • the individual parts can then be connected to one another by various connecting techniques, for example by welding, soldering, gluing and / or screwing. Since combustion gases occur within the heat exchanger 10, it is essential that a gas-tight connection is provided between heat exchanger head 18, heat exchanger core 20 and heat exchanger bottom 16.
  • the heat exchanger core is attached to it with Components with heat transfer surfaces 22 are also referred to as heat exchanger bodies 14.
  • FIG. 6 shows a perspective view of an air heater 12 with a housing fastening 74 arranged thereon.
  • the air heater 12 can be fastened to a surrounding housing.
  • the housing fastening 74 is fastened to the air heater 12 via the heat exchanger head 18 and the heat exchanger base 16.
  • FIG. 7 shows a sectional view of a heat exchanger core with an oval cross-section.
  • the heat exchanger core 20 has an inner profile 30. The finer this inner profile 30 is configured, the larger the surface that is available for heat transfer from the hot gases to the heat exchanger 10.
  • a heat exchanger core 20, as shown vor ⁇ lying, can be prepared for example by an extrusion process. As a result, small wall thicknesses can be ensured in order to ensure a low weight on the one hand and a large surface for the heat transfer on the other hand.
  • fastening means for example openings 76, are arranged for fastening the further components.
  • the oval cross-sectional geometry 32 of the heat exchanger 20 can improve the flow conditions for the air to be heated flowing around the heat exchanger 20.
  • FIG. 8 shows a sectional view of a heat exchanger core with a wing-shaped cross-section.
  • FIG. 9 shows a sectional view of a heat exchanger core with a spindle-shaped cross section.
  • the cross-sectional geometries shown here, namely the flight-shaped cross-sectional geometry 34 and the spindle-shaped cross-sectional geometry 30 are to be understood as further examples of a geometry favorable for the flow around the heat exchanger 20.
  • FIG. 10 shows a heat exchanger 10 and a separate component 24 for heat transfer in a perspective view.
  • the illustrated component 24 is manufactured separately from the heat exchanger core 20.
  • the already placed on the Wär ⁇ meleyerkern 20 components 24 are fixed there by shrinking or pressing of individual or several deferred components 24 or whole packages.
  • FIG 11 shows a heat exchanger in perspective Dar ⁇ position.
  • the heat exchanger 10 shown here has an extremely large surface area for the transfer of heat to the air flowing around it. This is realized in that the heat transfer surface 22 is provided by a plurality of rods 26.
  • FIG. 12 shows a heat exchanger in perspective view.
  • an extremely large heat exchanger surface is available, since rods 26 are also provided in large numbers to provide this heat exchanger surface 22.
  • an inner profile 30 can be seen. In the present embodiment, this inner profile partially sets the outer bars 26 or bars. continue.
  • the rods 26 both of the embodiment according to FIG. 12 and of the embodiment according to FIG. 11 can either be mounted externally on the heat exchanger surface by a separately produced component or can be realized by reworking an extruded profile by means of reshaping or machining processes.
  • FIG. 13 shows a heat exchanger 10 in a perspective view.
  • the components 28 shown here which provide the heat exchanger surfaces 22 of the heat exchanger 10 for disposal, are corrugated ribs that promote heat transfer.
  • FIG. 14 shows a plurality of identical heat exchanger body modules 38 in perspective view.
  • the embodiment shown here is of particular interest if the heat exchanger is not to be produced by extrusion, as mentioned above, but, as usual, by a die casting process. Die casting methods have the disadvantage that large wall thicknesses can occur due to draft angles.
  • a plurality of heat exchanger body modules 38 are provided, wherein each individual heat exchanger body module 38 has only a small axial length. Consequently, wall thickness can be saved due to short Entungsungsschrägen.
  • FIG. 15 shows a cutaway perspective view of a heat exchanger 10.
  • the heat exchanger 10 manufactured as a die-cast part is manufactured with two cores, which are arranged in two opposite directions Entformungscardien 40, 42 are removed, the wall thickness can also be kept low.
  • FIGS. 16, 17, 18 show a perspective view of combustion tubes 70.
  • FIG. 17 shows a perspective view of a combustion tube.
  • FIG. 18 shows a perspective view of a combustion tube.
  • the flow guide part can be realized in the form of blades, meander-like geometries, baffles and perforated tubes, such a perforated tube having a plurality of holes 46 being shown in FIG. 18 in addition to the hole profile formed by the holes 72.
  • FIG. 19 shows a perspective illustration of a connection region of an air heater with flange plate 48.
  • the flange plate 48 serves to mount the air heater 10 to the vehicle body or to a housing or other component fastened to the vehicle.
  • the flange plate 48 is sealed against the air heater 12 and against the mounting location, that is to say, for example, the vehicle body.
  • the seals can be realized, for example, by means of sealing rings.
  • heat exchanger surface 24 components with heat exchanger surfaces (disk-shaped)

Landscapes

  • 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)
  • Air-Conditioning For Vehicles (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

La présente invention concerne un échangeur thermique (10) destiné à un réchauffeur d'air (12) destiné à être intégré à un boîtier d'acheminement d'air, l'échangeur thermique présentant un axe longitudinal et pouvant être parcouru par de l'air dans une direction de circulation principale sensiblement perpendiculaire à l'axe longitudinal. Selon l'invention, l'échangeur thermique présente perpendiculairement à la direction de circulation principale, une géométrie de section qui est aplatie par rapport à une géométrie de section circulaire (32, 34, 36).
EP05820788A 2004-11-26 2005-11-23 Echangeur thermique pour rechauffeur d'air Withdrawn EP1815192A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102004057269 2004-11-26
DE102005053515A DE102005053515A1 (de) 2004-11-26 2005-11-09 Wärmetauscher für ein Luftheizgerät
PCT/DE2005/002123 WO2006056188A1 (fr) 2004-11-26 2005-11-23 Echangeur thermique pour rechauffeur d'air

Publications (1)

Publication Number Publication Date
EP1815192A1 true EP1815192A1 (fr) 2007-08-08

Family

ID=36026151

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05820788A Withdrawn EP1815192A1 (fr) 2004-11-26 2005-11-23 Echangeur thermique pour rechauffeur d'air

Country Status (6)

Country Link
US (1) US20080017359A1 (fr)
EP (1) EP1815192A1 (fr)
JP (1) JP2008521665A (fr)
CA (1) CA2601329A1 (fr)
DE (1) DE102005053515A1 (fr)
WO (1) WO2006056188A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100038269A1 (en) * 2008-08-14 2010-02-18 Jimmy Picard Memory card holder
DE102017125783B4 (de) * 2017-11-06 2019-09-05 Eberspächer Climate Control Systems GmbH & Co. KG Fahrzeugheizgerät
DE102018120030A1 (de) * 2018-08-17 2020-02-20 Eberspächer Climate Control Systems GmbH & Co. KG Fahrzeugheizgerät

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2642858A (en) * 1953-06-23 Fuel burning air heating device
BE369604A (fr) *
US1893270A (en) * 1929-06-17 1933-01-03 Nat Air Control Co Inc Radiator
FR1195426A (fr) * 1958-04-25 1959-11-17 Tubes d'échangeur de chaleur à profil conformé et rainuré
US3144862A (en) * 1960-09-07 1964-08-18 Hupp Corp Fuel burning heaters
GB1042147A (en) * 1962-04-05 1966-09-14 Humber Ltd Improvements relating to cylinders or cylinder heads for internal combustion engines
FR1535674A (fr) * 1967-06-28 1968-08-09 Générateur à air chaud
DE2212173A1 (de) * 1972-03-14 1973-09-27 Eberspaecher J Heizgeraet, insbesondere fuer kraftfahrzeuge
TW327205B (en) * 1995-06-19 1998-02-21 Hitachi Ltd Heat exchanger
DE10211591B4 (de) * 2002-03-15 2005-06-02 J. Eberspächer GmbH & Co. KG Luftheizgerät zur Integration in eine luftführende Gehäuseanordnung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006056188A1 *

Also Published As

Publication number Publication date
WO2006056188A1 (fr) 2006-06-01
US20080017359A1 (en) 2008-01-24
JP2008521665A (ja) 2008-06-26
CA2601329A1 (fr) 2006-06-01
DE102005053515A1 (de) 2006-06-01

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