EP0165371B1 - Dispositif pour l'alimentation des locaux avec de l'air chaud - Google Patents

Dispositif pour l'alimentation des locaux avec de l'air chaud Download PDF

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Publication number
EP0165371B1
EP0165371B1 EP84890117A EP84890117A EP0165371B1 EP 0165371 B1 EP0165371 B1 EP 0165371B1 EP 84890117 A EP84890117 A EP 84890117A EP 84890117 A EP84890117 A EP 84890117A EP 0165371 B1 EP0165371 B1 EP 0165371B1
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EP
European Patent Office
Prior art keywords
hot air
combustion chamber
valves
burning
air duct
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
Application number
EP84890117A
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German (de)
English (en)
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EP0165371A1 (fr
Inventor
Astrid Gottsberger-Wuck
Dagmar Wuck
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Individual
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Individual
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Publication date
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Application filed by Individual filed Critical Individual
Priority to DE8484890117T priority Critical patent/DE3467031D1/de
Priority to AT84890117T priority patent/ATE30464T1/de
Priority to EP84890117A priority patent/EP0165371B1/fr
Publication of EP0165371A1 publication Critical patent/EP0165371A1/fr
Application granted granted Critical
Publication of EP0165371B1 publication Critical patent/EP0165371B1/fr
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D11/00—Central heating systems using heat accumulated in storage masses
    • F24D11/006—Central heating systems using heat accumulated in storage masses air heating system
    • 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

Definitions

  • the invention relates to a system for supplying rooms with hot air by means of a hot air storage device, in which a heating boiler is provided and which is connected to the rooms via air guide channels, valves or the like being arranged in the air guide channels.
  • valves for arrangement in air guide channels are known, which are formed by lamellae and covers or flaps assigned to them.
  • lamellae since the lamellae are arranged inclined, this does not guarantee that the air between them remains unchanged when the flaps are in the closed position.
  • the vertical flue gas outlet of the heating boiler which starts from the uppermost area of the likewise vertical combustion chamber, has a diameter that is at least half the horizontal cross section of the combustion chamber, that the flue gas outlet of the furnace is approximately horizontal Connects lying post-combustion chamber, in which an additional burner is inserted, and that the valves by a group of at least approximately horizontally aligned, parallel fins, which are provided at least on one side with movable flaps, a curtain, a cover or the like. are formed.
  • a second likewise approximately horizontal post-combustion chamber is preferably provided, the two post-combustion chambers being connected to one another at the end remote from the mouth of the flue gas discharge into the first post-combustion chamber via an approximately vertical connecting piece.
  • the two post-combustion chambers can be arranged one above the other.
  • the two post-combustion chambers have a vertical cross-section which is at least the same as the horizontal cross-section of the combustion chamber of the boiler, at least one of the two post-combustion chambers is designed with an approximately horizontally projecting nozzle, at the free end of which a flap is arranged
  • Both afterburning chambers are made of glow-resistant, black-radiating material and they are not insulated on the outside.
  • the flue gas connection can connect to the lower area of the second post-combustion chamber and the additional burner inserted in the first post-combustion chamber can be controlled by a thermostat which prevents this burner from operating as long as the temperature in the boiler is not below a predetermined value.
  • the valves are preferably installed in openings formed for the air duct in the wall of the hot air reservoir.
  • a valve with flaps can be provided between a cold air duct and a hot air duct, the valve installed in a cold air duct can be designed with flaps opening to the hot air accumulator and a valve located in a hot air duct can be designed with a height-adjustable curtain on the side facing the hot air accumulator be.
  • the lamellae of some valves can be covered by a plate or a film made of material that melts at low temperatures.
  • a cooling air duct and the hot air duct are formed with valves arranged next to one another, two valves arranged one above the other are provided in a hot air duct and a shut-off device is arranged in a fresh air duct.
  • seating and lying surfaces and a room thermostat for controlling the temperature conditions in the rooms can be provided in the hot air storage for its use as a sauna.
  • the entrance opening to the hot air reservoir is closed by a number of curtains, e.g. made of glass silk fabric, closed with layers of air in between, and a radiation protection wall is arranged in the hot air reservoir between non-insulated hot water tanks and the seating and lying surfaces arranged in them.
  • FIG. 1 there is a heating boiler 20 in a hot air room or hot air storage 1, which is also used in particular as a sauna room, which is explained in more detail below with reference to FIG. 2.
  • a heating boiler 20 in a hot air room or hot air storage 1, which is also used in particular as a sauna room, which is explained in more detail below with reference to FIG. 2.
  • containers 11 for the production of hot service water so-called boilers
  • surfaces 14, 15 and 16 which can be used as loungers or as seating surfaces when using the hot air space 1 as a sauna. Since the containers 11 are in the radiation region of the heating boiler 20 and they are not insulated, the temperature of the water in these containers 11 has a value which is approximately 10 ° above the temperature in the hot air space 1.
  • openings are provided in the walls of the hot air space 1, into which valves or closures 50, 51, 52, 53 are inserted, which are explained in more detail below with reference to FIGS. 3 to 9.
  • insulating layers 4 Below the floor 2 and behind the walls 3 and on the ceiling there are insulating layers 4, by means of which optimal thermal insulation of the hot air space 1 from the surrounding rooms is ensured. This ensures that heat generated in the hot air space 1 is passed on to the rooms only in a controlled manner through the valves or closures 53.
  • the entry opening 17 into the hot air space 1 is insulated in that several curtains 18 made of a glass silk fabric or the like are provided therein. Due to the air layers existing between these curtains 18, the required insulation of the hot air space 1 is also ensured in the area of the inlet opening 17.
  • a valve 52 which acts as a safety valve, is also inserted into an additional opening.
  • a thermostat 9 is also arranged in the hot air storage 1.
  • the floor 2 or the wall surfaces 3 are formed by ceramic plates or by bricks. This material ensures good heat storage.
  • the storage of the heat is also effected by the hot water tanks 11 arranged in the hot air storage 1, taking into account that water has a very high heat capacity.
  • the heating system shown schematically in FIG. 2 and explained below consists of a heating boiler 20 which, in a known manner, has a combustion chamber 22, a grate 23, an ash chamber with an ash drawer 24 and a filling door 25. According to an embodiment variant, it can also have a burner for liquid or gaseous heating media. On the front of the heating boiler 20, this is also formed with openings 28 which are adjustable in size for the entry of combustion air 29 into the combustion chamber 22.
  • the heating boiler 20 On its upper end surface, the heating boiler 20 is formed with an opening 30, the cross section of which is at least half the horizontal cross section of the combustion chamber 22 of the heating boiler 20 and to which a flue gas connector 31 connects, which opens into a first post-combustion chamber 35.
  • the first post-combustion chamber 35 which extends approximately horizontally, has a vertical cross section which is approximately the same as the horizontal cross section of the combustion chamber 22 of the heating boiler 20.
  • a connection connector 36 connects to the first post-combustion chamber 35 and opens into a second post-combustion chamber 45.
  • an approximately horizontally or inclined nozzle 37 also adjoins the first post-combustion chamber 35 and can be used to hold a further oil or gas burner 38.
  • separating plates 39 are provided.
  • a temperature monitor 27 is provided, by means of which the burner 38 cannot be put into operation until the temperature in the upper region of the heating boiler 20 is below 80 ° C has dropped.
  • a connecting piece 40 also adjoins the first post-combustion chamber 35 and has a flap 41 at its free end, which opens when an overpressure occurs in the first post-combustion chamber 35 and enables pressure to be reduced.
  • connection piece 46 Also connected to the second post-combustion chamber 45 is an approximately horizontally directed connection piece 46, which forms the actual flue gas outlet.
  • the nozzle 46 is offset relative to the horizontal central axis of the second post-combustion chamber 45 and connects approximately to the bottom thereof.
  • a second nozzle 47 with a flap 48 connects to the second post-combustion chamber 45, the function of which corresponds to the function of the nozzle 40 with the flap 41.
  • the exhaust gases pass through the connecting piece 36 into the second post-combustion chamber 45, where they are cooled by flow along the walls thereof. Finally, the cooled flue gases located in the lower region of the second post-combustion chamber 45 pass into the chimney via the exhaust gas connection. If an overpressure occurs in the second post-combustion chamber 45, this can also be reduced by opening the flap 48. Since the outer surfaces of the afterburning chambers 35, 45 are not insulated, the heat generated in these chambers 35, 45 is given off to the air passing along their outer surfaces. The afterburning chambers 35, 45 act almost as black emitters. Since the flue gases are almost completely burnt, the fuels are optimally utilized, which results in very high efficiency. In addition, the environmental impact of the exhaust gases without smoke is kept extremely low.
  • Any solids and in particular household waste can be burned in the combustion chamber 22.
  • the combustion air is divided, being supplied partly to the grate and partly preheated to the fuel surface. Additional air is supplied to support smokeless burning without restricting or cooling the flame. The then necessary, very small excess of air increases the efficiency of the fuel utilization. Since the combustion gases remain in the two post-combustion chambers 35 and 45 for about 1 to 2 minutes, there is sufficient time available for them to release their heat content. They rise due to their low specific weight and cool down thereupon, whereupon they reach the chimney through the pipe socket 46 adjoining the lower region of the second post-combustion chamber 45.
  • FIG. 3 shows part of the hot air space 1. Returned air cooled from the rooms to be heated is supplied to this via a duct 56. This air is heated in the hot air storage 1 or mixed with the warm air located therein. Via a further duct 57, hot air flows from the hot air reservoir 1 to the rooms to be heated. The cold air flow from duct 56 must be able to flow unhindered into the hot air storage 1. However, neither hot air nor heat should get into the duct 56 from the hot air storage 1. For this purpose, a valve 51 is arranged in the region of the wall 3, which is explained below.
  • the valve 51 consists of a frame 62 inserted into the wall 3, from which approximately horizontally extending lamellae 63, which extend parallel to one another at a distance from one another, are held.
  • the width of these slats 63 can e.g. 50 cm.
  • the length of the slats 63 corresponds to the length of the frame 62 or the width of the feed opening.
  • the distance between the slats 63 can e.g. 4 cm.
  • the slats 63 can be made of plastic, stretched foils, asbestos cement, glass, sound absorbing panels or the like.
  • the slats 63 can be approximately horizontal or starting from the hot air storage 1 at an acute angle to the horizontal of e.g. Be inclined 10 ° downwards:
  • a plurality of flaps 65 are fastened to the fins 63 and, because of their weight, cover the areas located between the fins 63.
  • These flaps 65 can be made of plastic, glass silk, silicone or the like and can have a thickness of, for example, 0.1 mm.
  • This configuration of the valve 51 prevents hot air from passing over from the hot air reservoir 1 in the channel 56 prevented. Regardless of this, however, cooled or fresh air coming through the channel 56 can enter the hot air reservoir 1 between the fins 63, since the flaps 65 are lifted off the fins 63 because they are very light. Since no vertical air flows can occur between the fins 63, the fins 63 achieve optimum heat insulation since, when the flaps 65 are in the closed position, no hot air passes from the hot air reservoir 1 into the duct 56 and no heat is emitted.
  • valve 51 there is a further valve 53 in the wall 3, which is also formed by slats 63 held by a frame 62 and by a curtain 66 arranged on the storage space side, which can be wound up on a rod 67 or the like and thereby adjustable in height.
  • the valves 53 are located at the outlet of the hot air reservoir 1 in the hot air channels 57 leading to the rooms to be heated.
  • the height-adjustable curtain 66 is preferably made of a material, such as polyethylene, which melts at a temperature of approximately 120 °.
  • the purpose of this measure is to ensure in a simple manner a safeguard against overheating of the hot air storage 1, since when the temperature rises above 120 ° C., the film 66 melts, as a result of which the hot air can pass into the channel 57.
  • By adjusting the height of the curtain 66 it is possible to meter the amount of hot air passing from the hot air storage 1 into the channel 57.
  • the walls 55 of the channels 56 and 57 are preferably made of sound-absorbing material in order to largely exclude the transmission of sound between the rooms to be heated via the air channels 56 and 57 and the hot air space 1.
  • Flaps 70 are preferably also arranged between the two channels 56 and 47 and are lifted off as a result of a negative pressure in the channel 57, as a result of which cold air can pass from the channel 56 into the channel 57 and the warm air flowing therein can be admixed.
  • a pocket air filter 59 or a hanging filter 58 is arranged in the cold air duct 56 and can be exchanged through an opening 60.
  • a valve 52 according to the design shown in FIG. 4 is also provided at one point on the outer wall of the hot air storage device 1.
  • This valve 52 also consists of a frame 62 with fins 63 held by it, a cover 69 made of a material which melts at a temperature of, for example, 120 l being provided on the side facing the hot air reservoir 1 .
  • the cover 69 can be made of polystyrene, for example. If the temperature in the hot air reservoir 1 rises above approximately 120 °, the plate 69 melts and the hot air passes between the fins 63 to the free atmosphere.
  • a weather protection grille 72 is provided on the outside, by which penetration of moisture and vermin is prevented.
  • a further valve 54 can be arranged in a hot air duct 57 going upwards, which valve is separated by approximately vertical slats 73 and e.g. approximately horizontal flaps 74 is formed, this valve 54 serving as an excess temperature protection. If the hot air overheats to e.g. at 120 ° C, the valve 54 is opened by the buoyancy of the warm air column until the excess temperature is reduced. The desired response temperature can be set by the weight of the flaps 74 and by the height of the lift shaft. This valve 54 can be accessed through a mounting door 75.
  • a channel 77 provided in an outer wall leads from the free atmosphere into the hot air reservoir 1, the opening being covered by a weather protection grille 72.
  • This channel 77 opens into a check valve 50, which is arranged in the lower region of the hot air reservoir 1.
  • the valve 50 has the same structure as the valve 51 according to FIG. 3.
  • a pivotable flap 78 for controlling the inflowing air can also be provided in the channel 77. Fresh air flows into the hot air reservoir 1 through the channel 77.
  • FIG. 7 shows a further embodiment variant, in which the cold air can flow from the free atmosphere into the hot air reservoir 1 through a channel 77 and via a valve 50 ', which has the same structure as the valve 53 according to FIG. 3 .
  • a valve 51 with the configuration shown in FIG. 3 is arranged at the end of the cold air duct 56 and the hot air duct 57, which is located next to the cold air duct 56, is also up to the bottom 2 of the hot air reservoir 1 guided, with two valves 53 of the design shown in FIG. 3 being arranged one above the other, each of which can be controlled according to the requirements.
  • Relatively cooler air can be supplied to the rooms via the warm air duct 57 through the lower valve 53.
  • the valves 53 can be throttled or closed entirely by the roller blinds 66. They regulate the exit of the hot air from the hot air reservoir 1 into the hot air duct 57.
  • a temperature of e.g. 80 ° C In the area of the lower valve 53 there is a temperature of approximately 30 ° C., which is low due to the return air from the duct 56 or fresh air from the duct 77.
  • valves mentioned are almost completely heat-tight when closed, which prevents heat loss. They work in areas between approx. 0.5 and 50 Pascal. They can also be used for gravity heating in homes for hot air distribution and as return air openings to prevent drafts.
  • the device according to the invention thus creates a system in which a hot air storage is provided in a room of a house, in particular a residential house, which can be used as a sauna room, the hot air storage supplying the rooms of the building connected to this with hot air, without causing undesirable strong air currents. In this way, largely dust-free heating of the connected rooms can be achieved. Due to the high radiation heat also occurring in the hot air space, which serves as a storage space, germs in the air are killed, as a result of which the hot air used for heating is almost spore-free. Finally, the heating furnace achieves combustion with a very high degree of efficiency.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Central Heating Systems (AREA)
  • Drying Of Solid Materials (AREA)
  • Devices For Medical Bathing And Washing (AREA)

Claims (20)

1. Dispositif pour l'alimentation de locaux avec de l'air chaud au moyen d'un accumulateur d'air chaud dans lequel on a prévu une chaudière de chauffage et qui est raccordé aux locaux par des canaux d'air dans lesquels sont prévues des vannes ou dispositifs analogues, caractérisé en ce que le conduit d'échappement vertical (31) de la chaudière de chauffe (20), qui part de la partie supérieure du foyer également vertical (22), présente un diamètre qui est au moins égal à la moitié de la section transversale horizontale du foyer (22), qu'au conduit d'échappement de fumée (31) du foyer (22) se raccorde une chambre de combustion (35) horizontale dans laquelle est disposé un brûleur additionnel (38) et que les vannes (50, 51, 52, 53) sont constituées par un groupe de lamelles (63) disposées au moins de façon approximative horizontalement et parallèles les unes aux autres qui sont munies au moins sur une face de volets mobiles (65) d'un rideau (66), d'une ouverture (69) ou d'éléments analogues.
2. Dispositif selon la revendication 1, caractérisé en ce qu'en liaison avec la chambre de combustion complémentaire (35) est prévue une seconde chambre de combustion complémentaire (45) disposée à peu près horizontalement, ces deux chambres de combustion complémentaires (35, 45) étant reliées entre elles par une tubulure sensiblement verticale (36) à l'extrémité opposée au raccordement du conduit d'échappement (31) avec la première chambre de combustion complémentaire (35) (Fig. 2).
3. Dispositif selon la revendication 2, caractérisé en ce que les deux chambre de combustion complémentaires (35, 45) sont disposées l'une au-dessus de l'autre (Fig. 2).
4. Dispositif selon l'une ou l'autre des revendications 1 et 2, caractérisé en ce que les deux chambres de combustion complémentaires (35, 45) présentent une section verticale qui est approximativement la même que la section horizontale de la chambre de combustion (22) de la chaudière de chauffage (20).
5. Dispositif selon l'une des revendications 2 à 4, caractérisé en ce qu'au moins l'une des deux chambres de combustion complémentaires (35, 45) est établie avec une tubulure approximativement horizontale (40, 47) à l'extrémité libre de laquelle est disposé un volet (41, 48).
6. Dispositif selon l'une des revendications 2 à 5, caractérisé en ce que les deux chambres de combustion complémentaires (35, 45) sont établies en matière résistant au feu à rayonnement noir et ne sont pas isolées sur leur face extérieure.
7. Dispositif selon l'une des revendications 2 à 6, caractérisé en ce que la tubulure d'échappement de gaz (46) est branchée dans la partie basse de la seconde chambre de combustion complémentaire.
8. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que le brûleur additionnel (38) disposé dans la première chambre de combustion complémentaire (35) est contrôlé par un thermostat (27) qui empêche un fonctionnement de ce brûleur (38) tant qu'une température prédéterminée n'est pas abaissée dans la chaudière de chauffage (20).
9. Dispositif selon l'une des revendications 1 à 8, caractérisé en ce que les vannes (50, 51, 52, 53) sont incorporées (Fig. 3) dans des ouvertures établies pour les canaux de passage d'air (56, 57, 77) dans la paroi de l'accumulateur d'air chaud (1 ).
10. Dispositif selon l'une des revendications 1 à 9, caractérisé en ce qu'on a prévu une vanne supplémentaire équipée de volets (70) entre un canal d'air froid (56) et un canal d'air chaud (57) (Fig. 3).
11. Dispositif selon l'une des revendications 1 à 10, caractérisé en ce que la vanne (51) incorporée dans un canal d'air froid (56) est établie avec des volets (65) s'ouvrant sur l'accumulateur d'air de chauffage (1) (Fig. 3).
12. Dispositif selon l'une des revendications 1 à 11, caractérisé en ce que la vanne (53) se trouvant dans un canal d'air de chauffage (57) est équipée sur sa face orientée vers l'accumulateur d'air de chauffage (1) d'un rideau (66) (Fig. 3).
13. Dispositif selon l'une des revendications 1 à 12, caractérisé en ce que les lamelles (63) sont recouvertes par une plaque (69) ou un feuillet en une matière fusible à basses températures (Fig. 4).
14. Dispositif selon l'une des revendications 1 à 13, caractérisé en ce qu'un canal d'air froid (50) et un canal d'air de chauffage (57) sont équipés de vannes (51, 53) disposées côté à côté (Fig. 9).
15. Dispositif selon l'une des revendications 1 à 14, caractérisé en ce que dans un canal d'air de chauffage (57) sont disposées deux vannes superposées (53) (Fig. 8, Fig. 9).
16. Dispositif selon l'une des revendications 1 à 15, caractérisé en ce que dans un canal d'air froid (77) est disposé un élément d'obturation (78).
17. Dispositif selon l'une des revendications 1 à 16, caractérisé en ce que dans l'accumulateur d'air chaud (1) pour son utilisation comme sauna sont disposées des surfaces pour s'asseoir et pour s'étendre (14, 15, 16) (Fig. 1).
18. Dispositif selon l'une des revendications 1 à 17, caractérisé en ce que dans l'accumulateur d'air chaud (4) un thermostat d'ambiance (9) agit sur la commande des conditions de température dans cet accumulateur et sur l'introduction intermittente d'air chaud dans les locaux d'habitation.
19. Dispositif selon l'une des revendications 1 à 18, caractérisé en ce qu'une ouverture d'accès (17) au réservoir d'eau de chauffage (1) est fermée par plusieurs rideaux (18) se trouvant les uns derrière les autres par exemple en tissu de silicone avec couches d'air ménagées entre eux.
20. Dispositif selon l'une des revendications 1 à 19, caractérisé en ce que dans le réservoir d'air de chauffage ( 1 ) est disposée une paroi (13) protégeant contre le rayonnement entre des réservoirs d'eau chaude non isolés (11) et des surfaces pour s'asseoir et pour s'étendre (14, 15, 16).
EP84890117A 1984-06-20 1984-06-20 Dispositif pour l'alimentation des locaux avec de l'air chaud Expired EP0165371B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE8484890117T DE3467031D1 (en) 1984-06-20 1984-06-20 Installation for hot air supply of rooms
AT84890117T ATE30464T1 (de) 1984-06-20 1984-06-20 Anlage zur speisung von raeumen mit heissluft.
EP84890117A EP0165371B1 (fr) 1984-06-20 1984-06-20 Dispositif pour l'alimentation des locaux avec de l'air chaud

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP84890117A EP0165371B1 (fr) 1984-06-20 1984-06-20 Dispositif pour l'alimentation des locaux avec de l'air chaud

Publications (2)

Publication Number Publication Date
EP0165371A1 EP0165371A1 (fr) 1985-12-27
EP0165371B1 true EP0165371B1 (fr) 1987-10-28

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ID=8193154

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84890117A Expired EP0165371B1 (fr) 1984-06-20 1984-06-20 Dispositif pour l'alimentation des locaux avec de l'air chaud

Country Status (3)

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EP (1) EP0165371B1 (fr)
AT (1) ATE30464T1 (fr)
DE (1) DE3467031D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105805945A (zh) * 2014-12-31 2016-07-27 青岛经济技术开发区海尔热水器有限公司 空气源热水器主机及空气源热水器

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2198227A (en) * 1986-10-24 1988-06-08 Anthony Rack Energy conservation system and method
DE3721454A1 (de) * 1987-06-30 1989-01-12 Karl Flanderka Heizungsanlage

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7437781U (de) * 1975-05-15 Grajecki U Lüftungsklappe
DE1875713U (de) * 1963-05-18 1963-07-18 Robert Detzer Fa Luftgitter.
SE389907B (sv) * 1974-02-19 1976-11-22 E Brink Anordning for forbettring av verkningsgraden vid en centralvermeanleggning med varmvattenpanna
DE3327094A1 (de) * 1982-07-27 1984-02-02 Fritz 3420 Kritzendorf Frey Anordnung zur rueckgewinnung der in verbrennungsabgasen, insbesondere feuerungsabgasen, enthaltenen waermeenergie

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105805945A (zh) * 2014-12-31 2016-07-27 青岛经济技术开发区海尔热水器有限公司 空气源热水器主机及空气源热水器

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Publication number Publication date
DE3467031D1 (en) 1987-12-03
EP0165371A1 (fr) 1985-12-27
ATE30464T1 (de) 1987-11-15

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