EP0458427A1 - Chauffe-eau combiné - Google Patents

Chauffe-eau combiné Download PDF

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Publication number
EP0458427A1
EP0458427A1 EP91250099A EP91250099A EP0458427A1 EP 0458427 A1 EP0458427 A1 EP 0458427A1 EP 91250099 A EP91250099 A EP 91250099A EP 91250099 A EP91250099 A EP 91250099A EP 0458427 A1 EP0458427 A1 EP 0458427A1
Authority
EP
European Patent Office
Prior art keywords
water
pipe
heating
carrying
heating water
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.)
Granted
Application number
EP91250099A
Other languages
German (de)
English (en)
Other versions
EP0458427B1 (fr
Inventor
Hans-Josef Spahn
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.)
Nv Vaillant Sa
VAILLANT B.V.
Vaillant Austria GmbH
Vaillant GmbH
Vaillant SARL
Vaillant Ltd
Original Assignee
Vaillant Austria GmbH
Vaillant NV
Joh Vaillant GmbH and Co
Vaillant GmbH
Vaillant SARL
Vaillant Ltd
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 Vaillant Austria GmbH, Vaillant NV, Joh Vaillant GmbH and Co, Vaillant GmbH, Vaillant SARL, Vaillant Ltd filed Critical Vaillant Austria GmbH
Publication of EP0458427A1 publication Critical patent/EP0458427A1/fr
Application granted granted Critical
Publication of EP0458427B1 publication Critical patent/EP0458427B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • F24H1/48—Water heaters for central heating incorporating heaters for domestic water
    • F24H1/52—Water heaters for central heating incorporating heaters for domestic water incorporating heat exchangers for domestic water
    • 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
    • F24H1/48—Water heaters for central heating incorporating heaters for domestic water
    • F24H1/52—Water heaters for central heating incorporating heaters for domestic water incorporating heat exchangers for domestic water
    • F24H1/526—Pipes in pipe heat exchangers for sanitary water

Definitions

  • the invention relates to a combination water heater for the direct heating of domestic and heating water by means of a burner, in which a pipe carrying the process water and a pipe carrying the heating water are always held against one another in a lamella block.
  • water heaters with direct heating of the domestic and heating water have also become known, in which a coiled tube for guiding the domestic water is arranged inside a tube which is smooth per se for guiding the heating water.
  • Such water heaters have advantages over the previously treated water heaters with regard to the heating rate in the case of a cold starter tap.
  • these water heaters have large common heat exchanger surfaces, so that there is only a slight tendency towards boiling noises.
  • the disadvantage of such water heaters is that the two waters are separated from one another only by a tube wall.
  • the aim of the invention is to avoid the disadvantages of the water heaters mentioned at the outset, without therefore having to give up the advantage of a double-walled separation of the waters from one another.
  • this is achieved in that a known twisted finned tube is provided for guiding the heating water, in the spiral groove of which a tube carrying the process water is inserted.
  • the pipe carrying the process water essentially completely fills the coiled groove of the heating water pipe.
  • This also has the advantage of a very extensive use of the surfaces of the spiral grooves of the twisted tube for guiding the heating water.
  • the pipes carrying the process water or the heating water can be flowed through in opposite directions.
  • a twisted fin tube 2 is held, through which the heating water can flow.
  • the pipe 4 carrying the process water is inserted and soldered or welded to the walls thereof.
  • the tube 4 fills the groove 3 essentially completely, which results in large common heat exchange surfaces.
  • the two tubes 2 and 4 are flowed through in opposite directions.
  • the outlet temperature peaks of the hot water depend on the average heating water temperature when tapping from heating operation, but due to the counterflow operation it is significantly lower than the flow temperature of the heating water lying outlet temperature for the domestic water results.
  • the short heat conduction paths in the foot area of the lamella block 1, which is affected by the hot exhaust gas of the burner (not shown) and the already mentioned large common heat exchange surfaces of the pipes 2 and 4 enable good heat dissipation from the respective resting medium to the flowing medium, the two systems being operated alternately, so that either the process water or the heating water is in the respective pipe.
  • a small buffer store can be arranged in the outgoing service water line, which is subdivided by means of a spring-loaded membrane and in the second space of which a branch line from the cold water line of the service water opens, with a spring loading the membrane in the direction of a reduction in the space of the store filled with cold water. Opening the service water connection results in a pressure difference across the membrane of the storage tank, whereby stored hot service water flows off and is quickly available at the tap.
  • the service water connection is closed, which results in the same pressure conditions on both sides of the diaphragm of the storage tank, the space filled with hot service water increases due to the prestressing of the diaphragm and increases hot service water cached in this room.
  • the outlet temperature peaks are also significantly reduced by the temporary storage of the hot domestic water.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Public Health (AREA)
  • Health & Medical Sciences (AREA)
  • Details Of Fluid Heaters (AREA)
  • Domestic Plumbing Installations (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Cookers (AREA)
  • Resistance Heating (AREA)
EP91250099A 1990-04-20 1991-04-12 Chauffe-eau combiné Expired - Lifetime EP0458427B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0092090A AT397302B (de) 1990-04-20 1990-04-20 Lamellenblock für einen kombi-wasserheizer
AT920/90 1990-04-20

Publications (2)

Publication Number Publication Date
EP0458427A1 true EP0458427A1 (fr) 1991-11-27
EP0458427B1 EP0458427B1 (fr) 1995-10-25

Family

ID=3502875

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91250099A Expired - Lifetime EP0458427B1 (fr) 1990-04-20 1991-04-12 Chauffe-eau combiné

Country Status (3)

Country Link
EP (1) EP0458427B1 (fr)
AT (2) AT397302B (fr)
DE (2) DE59106753D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025091106A1 (fr) * 2023-10-30 2025-05-08 Iron Core Welding Ltd. Chauffe-eau amélioré et procédés d'utilisation

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4141136C2 (de) * 1991-12-13 1996-04-25 Wieland Werke Ag Wärmeaustauschsystem zur Erwärmung von Heiz- und Brauchwasser
AT403517B (de) * 1994-07-25 1998-03-25 Vaillant Gmbh Lamellenwärmetauscher für einen brennerbeheizten wasserheizer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1452259A (fr) * 1965-07-30 1966-02-25 Noxa Chaudière de chauffage central à combustible fluide, comportant un circuit d'eau chaude sanitaire
DE3122944A1 (de) * 1981-06-10 1983-01-13 Parca Norrahammar AB, 56200 Norrahammar Rohrwaermetauscher
US4411307A (en) * 1981-01-29 1983-10-25 Atlantic Richfield Company Wound tube heat exchanger

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2742839A1 (de) * 1977-09-23 1979-04-05 Bosch Gmbh Robert Waermeuebertrager fuer einen gas- oder oelbeheizten durchlauf-wassererhitzer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1452259A (fr) * 1965-07-30 1966-02-25 Noxa Chaudière de chauffage central à combustible fluide, comportant un circuit d'eau chaude sanitaire
US4411307A (en) * 1981-01-29 1983-10-25 Atlantic Richfield Company Wound tube heat exchanger
DE3122944A1 (de) * 1981-06-10 1983-01-13 Parca Norrahammar AB, 56200 Norrahammar Rohrwaermetauscher

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN Band 9, Nr. 272, 30. Oktober 1985; & JP - A - 60117089 (MATSUSHITA DENKI SANGYO) 24.06.1985 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025091106A1 (fr) * 2023-10-30 2025-05-08 Iron Core Welding Ltd. Chauffe-eau amélioré et procédés d'utilisation

Also Published As

Publication number Publication date
AT397302B (de) 1994-03-25
DE59106753D1 (de) 1995-11-30
ATE129558T1 (de) 1995-11-15
ATA92090A (de) 1993-07-15
DE4112450A1 (de) 1991-10-24
EP0458427B1 (fr) 1995-10-25

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