EP0881437B1 - Chauffe-eau avec brûleur - Google Patents

Chauffe-eau avec brûleur Download PDF

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Publication number
EP0881437B1
EP0881437B1 EP98104981A EP98104981A EP0881437B1 EP 0881437 B1 EP0881437 B1 EP 0881437B1 EP 98104981 A EP98104981 A EP 98104981A EP 98104981 A EP98104981 A EP 98104981A EP 0881437 B1 EP0881437 B1 EP 0881437B1
Authority
EP
European Patent Office
Prior art keywords
water heater
gap
combustion chamber
combustion
heat exchanger
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.)
Expired - Lifetime
Application number
EP98104981A
Other languages
German (de)
English (en)
Other versions
EP0881437A2 (fr
EP0881437A3 (fr
Inventor
Helmut Lemke
Ulrich Gralka
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0881437A2 publication Critical patent/EP0881437A2/fr
Publication of EP0881437A3 publication Critical patent/EP0881437A3/fr
Application granted granted Critical
Publication of EP0881437B1 publication Critical patent/EP0881437B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00Tubular elements; Assemblies of tubular elements
    • F28F1/10Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12Tubular 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
    • F28F1/24Tubular 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
    • F28F1/32Tubular 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 the means having portions engaging further tubular elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/22Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/40Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/0005Details for water heaters
    • F24H9/001Guiding means
    • F24H9/0026Guiding means in combustion gas channels
    • F24H9/0031Guiding means in combustion gas channels with means for changing or adapting the path of the flue gas
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/005Other auxiliary members within casings, e.g. internal filling means or sealing means

Definitions

  • the invention is based on a water heater according to the preamble of Main claim.
  • Such a water heater is from, for example EP-A-031 577 known.
  • EP-A-0 315 577 is a water heater with a burner, a combustion chamber and a heat exchanger, which is a lamella block with water pipes leading through it is known.
  • a portion of the in the combustion chamber of the heater Burners generated hot exhaust gases from the combustion chamber via a bypass to be introduced into the exhaust manifold immediately bypassing the heat exchanger.
  • the Bypass control arranged a regulator that has a throttling effect on the Bypass routed hot exhaust gas exerts.
  • the lamella-free one Flow cross-section arranged approximately in the middle of the lamella block and as an orifice a two-armed lever is provided, on which a lever influenced by the exhaust gas temperature Actuator attacks.
  • This arrangement enables a predetermined minimum value of Exhaust gas temperature even under changing operating conditions and conditions observed.
  • it requires a special type of heater, which does not have one insignificant additional effort in the production is connected.
  • the arrangement according to the invention with the features of The main claim has the advantage that a customary Standard heater without structural changes those available in different applications Special features and conditions simplified and as required adapted by using plug-in parts of different lengths can be.
  • a secure hold of the insert in the gap and one perfect coverage results when the plug part is U-shaped is bent sheet metal part, the legs in Insert position resilient on the combustion chamber wall and on the Slats rest, and if one leg with one shoulder is provided to limit the insertion depth.
  • FIG. 1 shows a parallel to the slats of the heat exchanger through the cut output area of the combustion chamber of a gas-heated Water heater
  • Figure 2 if necessary in the Water heater according to Figure 1 insertable part in Side view
  • Figure 3 shows the water heater of Figure 1 with the plug-in part used.
  • the water heater has one not shown Gas burner a combustion chamber 10, in the output side Heat exchanger 12 is used. This has a block from parallel arranged lamellae 14, which by Pipes 16 are penetrated, which the water to be heated to lead. Downstream of the heat exchanger 12 is a collecting hood 18 arranged for the exhaust gas to be removed.
  • a gap 22 of a defined width provided that in the uncovered state according to FIG. 1 a flow cross section not occupied by fins for forms the combustion gas.
  • the one through this Flow cross section passing through without cooling Combustion gas content raises the exhaust gas temperature so far that even under unfavorable operating conditions a failure of condensate is avoided.
  • this advantage must by a slight reduction in the efficiency of the Heat transfer can be bought.
  • a plug-in part 24 is provided which in the gap 22 can be used and closes it.
  • the Plug part 24 is a substantially U-shaped Sheet metal part with two legs 26, 28 and a web 30 educated.
  • the leg 26 lies in the inserted position resilient on the front wall 20 of the combustion chamber 10 and Leg 28 resiliently on the end edges of the slats 14.
  • the leg 28 is included provided a shoulder 32, which is on the slats 14th touches down when the plug part 24 is in the prescribed position has reached.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Geometry (AREA)
  • Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)
  • Gas Burners (AREA)

Claims (4)

  1. Chauffe-eau comportant un brûleur, une chambre de combustion (10) et un échangeur de chaleur (12) qui prend la forme d'un bloc en lamelles muni de tubes d'eau (16) qui le traversent et qui est engagé du côté sortie dans la chambre de combustion (10), comportant en outre une section transversale d'écoulement pour le gaz de combustion laquelle n'est pas occupée par les lamelles (14) et est formée par un intervalle (22) prévu entre l'échangeur de chaleur (12) et une paroi (20) de la chambre de combustion (10), l'intervalle (22) pouvant être recouvert par un recouvrement,
    caractérisé en ce que
    le recouvrement est une pièce encastrée (24) recourbée en U qu'on peut engager dans l'intervalle (22).
  2. Chauffe-eau selon la revendication 1,
    caractérisé en ce que
    l'intervalle (22) est formé entre l'échangeur de chaleur (12) et la paroi avant (20) de la chambre de combustion (10).
  3. Chauffe-eau selon la revendication 1,
    caractérisé en ce que
    la pièce en tôle recourbée en U par l'intermédiaire de ses branches (26, 28) s'applique, en position insérée, de façon élastique à la paroi de chambre de combustion (20) et aux lamelles (14) et une branche (28) est munie d'un épaulement (32) destiné à limiter la profondeur d'insertion.
  4. Chauffe-eau selon la revendication 3,
    caractérisé en ce que
    l'entretoise (30) - qui relie les deux branches (26, 28) - de la pièce encastrée (24) qu'on peut engager est disposée selon un angle aigu par rapport à la branche (26) associée à la paroi de chambre de combustion (20).
EP98104981A 1997-05-28 1998-03-19 Chauffe-eau avec brûleur Expired - Lifetime EP0881437B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29709352U 1997-05-28
DE29709352U DE29709352U1 (de) 1997-05-28 1997-05-28 Wassererhitzer mit einem Brenner

Publications (3)

Publication Number Publication Date
EP0881437A2 EP0881437A2 (fr) 1998-12-02
EP0881437A3 EP0881437A3 (fr) 2000-05-24
EP0881437B1 true EP0881437B1 (fr) 2004-06-16

Family

ID=8040886

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98104981A Expired - Lifetime EP0881437B1 (fr) 1997-05-28 1998-03-19 Chauffe-eau avec brûleur

Country Status (2)

Country Link
EP (1) EP0881437B1 (fr)
DE (2) DE29709352U1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10241060A1 (de) * 2002-09-05 2004-03-18 Robert Bosch Gmbh Wärmeübertrager für brennstoffbeheizte Wassererhitzer
US20210247100A1 (en) * 2018-07-27 2021-08-12 Noritz Corporation Water heater

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3411437A1 (de) * 1984-03-28 1985-12-12 Werner 8056 Neufahrn Münz Heizgasfuehrung in brennwertgeraeten
DE3604842A1 (de) * 1986-02-15 1987-08-20 Kloeckner & Co Kgaa Zweigniede Heizkessel
DE3836843A1 (de) * 1987-11-03 1989-05-18 Vaillant Joh Gmbh & Co Brennerbeheiztes geraet, insbesondere wasserheizer
IT1244864B (it) * 1990-04-23 1994-09-12 Italian Appliances Sas Di Enri Metodo di regolazione di un generatore di calore a gas e generatore relativo
AT398840B (de) * 1990-11-05 1995-02-27 Vaillant Gmbh Heizgerät mit einem brennraum
ATA46593A (de) * 1993-03-11 1998-09-15 Vaillant Gmbh Heizeinrichtung

Also Published As

Publication number Publication date
DE29709352U1 (de) 1998-09-24
DE59811561D1 (de) 2004-07-22
EP0881437A2 (fr) 1998-12-02
EP0881437A3 (fr) 2000-05-24

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