EP0253355A1 - Elément pour radiateurs en acier - Google Patents

Elément pour radiateurs en acier Download PDF

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Publication number
EP0253355A1
EP0253355A1 EP87110110A EP87110110A EP0253355A1 EP 0253355 A1 EP0253355 A1 EP 0253355A1 EP 87110110 A EP87110110 A EP 87110110A EP 87110110 A EP87110110 A EP 87110110A EP 0253355 A1 EP0253355 A1 EP 0253355A1
Authority
EP
European Patent Office
Prior art keywords
lamella
longitudinal
link according
web
channels
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Withdrawn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
EP87110110A
Other languages
German (de)
English (en)
Inventor
Harald Klostermann
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.)
BAUFA-WERKE RICHARD RINKER GMBH
Original Assignee
Baufa-Werke Richard Rinker GmbH
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 Baufa-Werke Richard Rinker GmbH filed Critical Baufa-Werke Richard Rinker GmbH
Publication of EP0253355A1 publication Critical patent/EP0253355A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • F28D1/03—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 plate-like or laminated conduits
    • F28D1/0308—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other
    • F28D1/0325—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another
    • F28D1/0333—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another the plates having integrated connecting members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements

Definitions

  • the invention relates to a member for steel radiators, which is formed from two adjacent steel sheets, each of which has a hub in the area of each end face, at least two parallel channels between the hubs, one welded to the adjacent longitudinal bead of the other steel sheet between two channels Longitudinal bead and on the edge of a circumferential web welded to the adjacent web of the other steel sheet.
  • the known links consist of uniformly shaped, mirror-symmetrical steel sheets.
  • the inner surface of the web lies in the same plane with the inner surfaces of the longitudinal beads.
  • the adjacent, circumferential webs of the steel sheets are welded to one another, as are the adjacent longitudinal beads.
  • a steel radiator is created by welding together a selectable number of links in the area of the hubs.
  • radiators are optimally designed as heat-transferring elements.
  • a radiator transfers the heat from its outer surface and its indirect heating surfaces by assembly to the surrounding air and by radiation to the surrounding room surfaces.
  • the convective Heat is released from the outer surfaces through free or natural buoyancy.
  • radiators are converted into radiators with changed cross sections and external shapes.
  • the parts to be welded to the link are cast and cannot be changed after the casting.
  • the effort is small in relation to the increase in heat emission.
  • the invention seeks to remedy this.
  • the invention as characterized in the claims, achieves the object of creating a device which can optionally be attached to a radiator, if the heat output is to be increased by changing its outer surface.
  • Meandering slats of the type used in the invention are known per se, namely in the case of flat radiators (cf. DE-U-8 21O 732).
  • the surface of the radiator e.g. B. a steel radiator according to DIN 4722, by the formed of sheet steel or the like, compared to the two halves from which the member of the radiator is welded, supplemented with thinner plate thickness made lamella.
  • the lamella significantly increases the surface of the radiator member on the view side to which the lamella is attached. Increases in the heat emission compared to a radiator element without lamella up to 50% were found in the test.
  • each steel sheet 1 is mirror-symmetrical, lie against each other and are welded together.
  • Each steel sheet 1 has a hub 3 in the region of each end face 2.
  • each link is welded to the adjacent links to form the steel radiator.
  • two opposite channels 4 form a column.
  • a total of four columns are provided.
  • fewer or more than four columns can be used.
  • a longitudinal bead 5 is provided between laterally adjacent channels 4. While the columns are extended beyond the area of the hub 3 to the front side 2, the longitudinal beads 5 end on the side facing away from the front side 2 in front of or laterally at the level of the hub 3. In this way, the flow, return and even distribution of a heating medium especially of hot water, guaranteed by the steel radiator.
  • the steel sheets 1 of the same link lie against each other; also with their peripheral webs 7 forming the edge 6.
  • the steel sheets 1 are of the same shape and lie mirror-symmetrically with the webs 7 and the longitudinal beads 5.
  • the inner surfaces of the webs 6 lie in the same plane with the inner surfaces of the longitudinal beads 5.
  • the webs 7 are angled parallel to the plane of the longitudinal beads 5.
  • the webs 7 and the longitudinal beads 5 are welded together to form the link for the steel radiator.
  • the member for steel radiators also has fins 11.
  • the fins 11 run in the longitudinal direction of the steel radiator and are meandering in cross section.
  • the fins 11 are thermally conductively connected both to the outer surfaces of the water-guiding channels 4 and to the non-water-guiding longitudinal beads 5 between the channels 4 of the radiator:
  • the fins 11 are spot-welded to the longitudinal beads 5.
  • Two spot welds 12 are shown in the drawing, for example.
  • the lamellae 11 are held against the outer surfaces of the channels 4 under pretension.
  • the lamellae 11 are constructed in the manner of a trapezoidal curve, the outer apex 13 of which lies in the same plane and the inner apex 14, 15 of which lies in different parallel planes.
  • the one plane in which the apexes 14 lie is through the longitudinal beads 5; the other plane, in which the apexes 15 lie, is determined by the facing outer surface of the channel 4.
  • the lamella 11 is additionally fastened to the circumferential web 7.
  • the lamella 11 is attached to the web 7 on the view side essentially in the same way as the attachment to the longitudinal beads 5.
  • the lamella 11 is angled in the direction away from the channel and then again twice as much in the direction of the web 7 angled so that its free edge 16 engages behind the web 7 on the side facing away from the lamella 11. The lamella 11 is held under pretension behind the web 7.
  • the circumferential web 7, which, as a sharp edge, constitutes a risk of an accident, is at least largely covered by the leg of the lamella 11 in the region of the edge 6.
  • the outer side wall 18 of the lamella 11, which runs between the web 7 and the outer apex 13, can run obliquely - Fig. 5 right - or essentially perpendicular - Fig. 5 left.
  • the inner side walls 17 of the lamella 11 generally run steeper between the longitudinal beads 5 and the outer apexes 13 than between the channels 4 and the outer apexes.
  • the lamella 11 uniformly has a length substantially equal to the length of the central longitudinal bead 5.
  • the lamella 11 is step-shaped in the longitudinal direction, the length of the steps is essentially equal to the length of the longitudinal beads. If the lamella 11 is laterally extended beyond the outermost longitudinal beads, the lamella here can have a length substantially equal to the spacing of the hubs 3 from one another.
  • the lamella 11 is usually made in one piece. In the case of stepped slats, however, a multi-part design can also be considered.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Bridges Or Land Bridges (AREA)
EP87110110A 1986-07-15 1987-07-14 Elément pour radiateurs en acier Withdrawn EP0253355A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863623832 DE3623832A1 (de) 1986-07-15 1986-07-15 Glied fuer stahlradiatoren
DE3623832 1986-07-15

Publications (1)

Publication Number Publication Date
EP0253355A1 true EP0253355A1 (fr) 1988-01-20

Family

ID=6305213

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87110110A Withdrawn EP0253355A1 (fr) 1986-07-15 1987-07-14 Elément pour radiateurs en acier

Country Status (2)

Country Link
EP (1) EP0253355A1 (fr)
DE (1) DE3623832A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR756749A (fr) * 1933-05-10 1933-12-14 Commanditaire Vennootschap J B Radiateur
FR884007A (fr) * 1941-03-27 1943-07-30 Perfectionnements aux éléments radiateurs en acier emboutis
EP0092033A2 (fr) * 1982-04-16 1983-10-26 Harald Klostermann Procédé pour la fabrication d'un échangeur de chaleur à plaques

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR756749A (fr) * 1933-05-10 1933-12-14 Commanditaire Vennootschap J B Radiateur
FR884007A (fr) * 1941-03-27 1943-07-30 Perfectionnements aux éléments radiateurs en acier emboutis
EP0092033A2 (fr) * 1982-04-16 1983-10-26 Harald Klostermann Procédé pour la fabrication d'un échangeur de chaleur à plaques

Also Published As

Publication number Publication date
DE3623832A1 (de) 1988-01-28

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Designated state(s): AT BE CH DE ES FR GB IT LI NL

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Inventor name: KLOSTERMANN, HARALD

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Owner name: BAUFA-WERKE RICHARD RINKER GMBH

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Effective date: 19880721

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Inventor name: KLOSTERMANN, HARALD