CN101960228B - Cast-iron or aluminium sectional boiler - Google Patents
Cast-iron or aluminium sectional boiler Download PDFInfo
- Publication number
- CN101960228B CN101960228B CN200980108126.8A CN200980108126A CN101960228B CN 101960228 B CN101960228 B CN 101960228B CN 200980108126 A CN200980108126 A CN 200980108126A CN 101960228 B CN101960228 B CN 101960228B
- Authority
- CN
- China
- Prior art keywords
- heating boiler
- sections
- segmented heating
- section
- annular
- 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 - Fee Related
Links
- 229910001018 Cast iron Inorganic materials 0.000 title claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 13
- 239000004411 aluminium Substances 0.000 title abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- 238000002485 combustion reaction Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002912 waste gas Substances 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 13
- 238000009825 accumulation Methods 0.000 claims description 8
- 230000003044 adaptive effect Effects 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 2
- 239000011253 protective coating Substances 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims 1
- 206010022000 influenza Diseases 0.000 abstract 2
- 238000005266 casting Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
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
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
- F24H1/24—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers
- F24H1/30—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle being built up from sections
- F24H1/32—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle being built up from sections with vertical sections arranged side by side
Landscapes
- 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)
- Details Of Fluid Heaters (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The invention relates to a cast-iron or aluminium sectional boiler, in particular a condensing boiler, having substantially annular sections, wherein a front section (1), a cover-like rear section (2) and at least one central section (3) are provided, said sections forming a combustion space (4) with substantially surrounding heating gas flues and the annular water spaces (5) of said sections being connected to one another via inner races (6, 6'), having a lower return connection and an upper feed connection and also having at least two armature rods (11) for holding the section block together. The invention is based on the object of optimizing a cast-iron or aluminium sectional boiler particularly in terms of compactness and robustness. The invention is characterized in that in each case annular gaps (7) are provided as heating gas flues between two adjacent sections (1, 2, 3) which each run approximately radially outwards, starting from the combustion space, and issue into an exhaust gas collection space on the outside of the sections.
Description
Technical field
The present invention relates to Segmented heating boiler, the especially condenser boiler (Brennwertkessel) of a kind of cast iron or aluminum.
Background technology
This class Segmented heating boiler is comprised of a plurality of integratedly boiler section of casting, and these boiler section each other front and back arrange and interconnect by hub (Nabe) aspect water.At this, through-flow between reflux adapter and feeding are taken over by aquaporin and water bag that boiler section consists of.This class Segmented heating boiler usually preferably has the feeding of lower backflow above taking over and being arranged in and takes in corresponding hub.Hot gas road by postposition flows out and on its path heat is discharged on the boiler water to the waste gas short tube hot gas from the combustion chamber.
In all present these class boilers, these sections each other front and back form a line.Be provided with an annular leading portion, on this annular leading portion, can fix combustion chamber door or a burner platform, decide to arrange interlude and back segment of one or more similar structures on watt level.At this, the combustion chamber extends to back segment by leading portion and interlude always, and this back segment forms the bottom of combustion chamber with the configuration of its lid shape.In this embodiment, all boiler section have similar external dimensions, because they consist of the parts of combustion chamber, hot gas road and hydroecium at whole boiler cross section.In addition, also become known for low power ranges, only by two or even boiler that boiler section forms only.
Aspect the waste gas guiding and efficient of heater, be divided into on-condensing heating technique (Heizwerttechnik) and condensing heating technique (Brennwerttechnik).Because energy-conservation, the condensing heater is used more and more.The structure of the heat exchanger of condensing heater has guaranteed following possibility: the wet waste gas that be in operation fuel and air burning produce is cooled under the waste gas dew point.At this, the condensate moisture of waste gas out and its except the heat that can feel, also condensation heat is passed to hot water.
When using as condenser boiler, must pay special attention to the selection of fuel, because because the composition of employed fuel and burning control, waste gas is polluted by harmful substance and affected condensed water has the acid of various low concentrations.The member that contacts with condensed water also must be acidproof such as heating surface, exhaust gas collector and exhaust piping, commonly makes these members by stainless steel, aluminium or plastics thus.Especially in oily condensing heating technique, usually use the stainless heat exchanger of welding, for example also disclosed like that as the helix tube winding in DE102004023711B3.It provides following advantage: do not stand caustically acid pollution.Shortcoming is that the cost related with fuel is high and particularly more unfavorable at the welded situation subscript fixed condition of being made by sheet material and physical dimension is larger, be difficult to assembling with the close relation on the space.
Conventional on-condensing heater is made of cast iron usually.Its take high robustness and long life as characteristics.Its structure that is formed by most identical cast segment allow the favourable manufacturing of cost with in easy demarcation property aspect the different watt levels, even and if also providing good assembling possibility under the mounting condition closely.In the situation that operation begins and heat exchanger is cold, this material very well stands the short waste gas condensation stage.Cast iron is only with its existing shape and structure and be not suitable for having for more time the condensing operation that the condensed water that keeps gathers.
In addition, by the known a kind of condensing heating boiler of DE29621817U1, it has compact heat exchanger combination and the hydraulic pressure postposition, that made by resistant material.This compact heat exchanger is surrounded by the boiler section of two shellies as independent member and is being connected individually aspect the water.All boilers with rearmounted heat exchanger have following shortcoming: assembling expends owing to required pipe fitting increases and rises at the resistance aspect the water.Cause equally cooling loss as layout independent, that be positioned at outside member, described cooling loss must be avoided by suitable adiabatic apparatus.
Summary of the invention
The object of the invention is to, especially be optimized at the Segmented heating boiler to cast iron or aluminum aspect compactedness and the robustness.
According to the present invention, the Segmented heating boiler of a kind of cast iron or aluminum has been proposed, this Segmented heating boiler has the basically section of annular, wherein, be provided with a leading portion, back segment and at least one interlude of a lid shape, these sections form one have basically around the combustion chamber in hot gas road and the annular water chamber of these sections be interconnected by hub, this Segmented heating boiler has lower backflow adapter and upper feeding adapter and has at least two for the anchor pole that the section group is kept together, wherein, the annular gap is set as the hot gas road respectively between two adjacent sections, these annular gaps roughly radially stretch out from described combustion chamber respectively and are passed into the accumulation chamber of waste gas on these sections outside.
Described purpose realizes by such scheme.Favourable expanded configuration can be drawn by following explanation.
The characteristics of the Segmented heating boiler of cast iron or aluminum are, the annular gap is set as the hot gas road respectively between two adjacent sections, these annular gaps roughly radially stretch out from the combustion chamber respectively and are passed into the accumulation chamber of waste gas on these sections outside.In order to form an annular gap, two adjacent sections have respectively mutually adaptive geometry.
Can realize various embodiments in addition, that is: the central axis of the first, one annular gap and described combustion chamber meet at right angles ground, radially and as the crow flies stretch out.In the second modification, annular gap radially bends and arc ground, namely similarly stretch out with the turbo blade geometry.In the 3rd embodiment, annular gap stretches out as the crow flies with the obliquity with respect to the central axis of described combustion chamber.This is special recommendation in the upright layout of whole section group, because at this moment condensate can be discharged downwards from the gap well around ground.In addition, annular gap also can stretch out on undulate ground in the radial direction, especially in case in the gap the inner flow eddies that increases, realize from the teeth outwards thus strong heat transmission.
Advantageously, the width of an annular gap and/or free cross section from described combustion chamber until the pass-out section on the outside of these sections reduce, in order to realize adaptive with the hot gas volume that reduces along with cooling.The surface that contacts with hot gas of these sections is the surface that consists of described gap at least, can be provided with corrosion protective coating.
Described accumulation chamber of waste gas on the outside of these sections, that described annular gap passes into wherein extends and is outwards limited by an overcoat around the peripheral surface of these sections as hollow cylinder.Described overcoat is received between the annular tab on leading portion and the back segment outside, that radially outwards give prominence to hermetically.
Two are used for the described anchor pole that the section group keeps together is arranged on described hub inside.Alternatively, the discharge pipe that is arranged on feed-in pipe described hub inside, that be used for recirculation water and/or is used for feeding water can be used for the section group is kept together, when it is provided with respective threaded for this device of tensioning.
Upper and lower hub can alternately be sealed between reflux adapter and feeding are taken over, so that it is through-flow to form pressure, wherein, at this moment locking device is placed on anchor pole, feed-in pipe and/or the discharge pipe.Therefore, flowing through that the length of section group has guaranteed to replace between two adjacent sections in upper and lower hub.
In order between two adjacent sections, to keep accurate gap length, be provided with at least two centring point or faces of describing well especially strand size and strand tolerance at each section.Because the thickness of section especially has a direct impact the gap width between two sections.At this moment described centring point or face have the decision meaning for the machining of the sealing on the described hub or abutment face because this allow to determine key position be in esse final size after the casting process and then correspondingly be adjusted to expectation by processing and accurate adaptive intended size separately.
By the invention a kind of Segmented heating boiler that is fit to very much condensing work, wherein utilized targetedly the positive material behavior of cast iron or aluminium, to guarantee good heat transfer characteristic, compactedness and robustness.Controlled the load that causes corrosion.According to the present invention, corrosion-resistant coating itself not only applies easily and controls, and it is also protected with respect to possible mechanical load in the gap.The segment structure mode also provides following advantage except simple manufacturing: can cover changeably different length for various combustion intensities and heat exchanger power by adding other interlude.However, all installed parts of arranging and the connection aspect water remain unchanged distolaterally.Only be changing around overcoat around accumulation chamber of waste gas.Because EGT is very low, this overcoat even can be made of plastics.
Description of drawings
Accompanying drawing illustrates one embodiment of the present of invention.Wherein:
Fig. 1 illustrates the Segmented heating boiler of cast iron or aluminum with the total perspective view that has section in the angular zone up;
Fig. 2 illustrates the Segmented heating boiler of cast iron or aluminum with half the vertical longitudinal section that passes whole section group; With
Fig. 3 illustrates an interlude with perspective view.
The specific embodiment
This Segmented heating boiler is basically by ring segment, and namely the back segment 2 of a leading portion 1, a lid shape and a plurality of interlude 3 form.The annular water chamber 5 that these sections form a combustion chamber 4 and these sections is communicated with by hub 6,6 ' each other.
Be provided with annular gap 7 as the hot gas road respectively between two adjacent sections 1,2,3, these annular gaps roughly radially stretch out from the 4s, combustion chamber respectively and are passed into the accumulation chamber of waste gas 8.Has respectively mutually adaptive geometry in order to form 7, two the adjacent sections 1,2,3 in an annular gap.In an illustrated embodiment, form four annular gaps that radially bend 7 by these sections 1,2,3 arching section.
Accumulation chamber of waste gas 8 extends and is outwards limited by an overcoat 9 around these sections 1,2,3 peripheral surface as hollow cylinder, this overcoat be received in hermetically on leading portion 1 and back segment 2 outsides, radially outwards between the outstanding annular tab 10.
Two anchor poles 11 that are used for the section group is kept together are arranged on hub 6,6 ' inside.The locking device 12 of plate-like is fixed on the described anchor pole, is used for alternately sealing upper and lower hub 6,6 ' between reflux adapter and feeding are taken over, and is through-flow so that formation is forced.
In addition, in order between two adjacent sections 1,2,3, to keep accurate gap length, boss in casting on each section 1,2,3 is provided with three centering faces 13, in order to accurately identify each the current size after the casting process and use it for the processing of hub area.
Claims (14)
1. the Segmented heating boiler of cast iron or aluminum, this Segmented heating boiler has the basically section of annular, wherein, be provided with a leading portion (1), back segment (2) and at least one interlude (3) of a lid shape, these sections form one have basically around the combustion chamber (4) in hot gas road and the annular water chamber (5) of these sections by hub (6,6 ') be interconnected, this Segmented heating boiler has lower backflow adapter and upper feeding adapter and has at least two for the anchor pole (11) that the section group is kept together, it is characterized in that, respectively two adjacent sections (1,2, annular gap (7) is set as the hot gas road 3), these annular gaps roughly radially stretch out from described combustion chamber respectively and are passed into the accumulation chamber of waste gas on these sections outside.
2. according to claim 1 Segmented heating boiler is characterized in that, in order to form an annular gap (7), two adjacent sections (1,2,3) have respectively mutually adaptive geometry.
3. according to claim 1 and 2 Segmented heating boiler is characterized in that, the central axis of an annular gap (7) and described combustion chamber (4) meet at right angles ground, radially and as the crow flies stretch out.
4. according to claim 1 and 2 Segmented heating boiler is characterized in that an annular gap (7) stretches out with radially bending.
5. according to claim 1 and 2 Segmented heating boiler is characterized in that, an annular gap (7) stretches out as the crow flies with the obliquity with respect to the central axis of described combustion chamber (4).
6. according to claim 1 and 2 Segmented heating boiler is characterized in that, an annular gap (7) stretches out on undulate ground in the radial direction.
7. according to claim 1 and 2 Segmented heating boiler is characterized in that, the width of an annular gap (7) and/or free cross section from described combustion chamber (4) until the pass-out section on the outside of these sections (1,2,3) reduce.
8. according to claim 1 and 2 Segmented heating boiler is characterized in that, the surface that contacts with hot gas of these sections (1,2,3) is the surface that consists of described gap (7) at least, is provided with corrosion protective coating.
9. according to claim 1 and 2 Segmented heating boiler, it is characterized in that, these sections (1,2, described accumulation chamber of waste gas (8) on the outside 3), that described annular gap (7) pass into wherein centers on these sections (1 as hollow cylinder, 2,3) peripheral surface is extended and is outwards limited by an overcoat (9), and described overcoat is received between the annular tab (10) of radially outwards giving prominence on the outside of leading portion (1) and back segment (2) hermetically.
10. according to claim 1 and 2 Segmented heating boiler is characterized in that, two described anchor poles (11) that are used for the section group is kept together are arranged on described hub (6,6 ') inside.
11. Segmented heating boiler according to claim 1 and 2 is characterized in that, the discharge pipe that is arranged on described hub (6,6 ') feed-in pipe inner, that be used for recirculation water and/or is used for feeding water is used for the section group is kept together.
12. Segmented heating boiler according to claim 1 and 2, it is characterized in that, upper and lower hub (6,6 ') between described lower backflow adapter and the adapter of described upper feeding, alternately sealed, so that it is through-flow to form pressure, wherein, locking device (12) is placed on anchor pole (11), feed-in pipe and/or the discharge pipe.
13. Segmented heating boiler according to claim 1 and 2, it is characterized in that, for two adjacent sections (1,2,3) keep accurate gap length between, in each section (1,2,3) be provided with at least two centring point or faces (13) of describing strand size and strand tolerance, described centring point or face (13) are conclusive for the machining of the sealing on the described hub (6,6 ') or abutment face.
14. Segmented heating boiler according to claim 1 is characterized in that, described Segmented heating boiler is condenser boiler.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008013086A DE102008013086A1 (en) | 2008-03-07 | 2008-03-07 | Cast iron or aluminum sectional boilers |
| DE1020080130869 | 2008-03-07 | ||
| DE102008013086.9 | 2008-03-07 | ||
| PCT/EP2009/052175 WO2009109486A1 (en) | 2008-03-07 | 2009-02-24 | Cast-iron or aluminium sectional boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101960228A CN101960228A (en) | 2011-01-26 |
| CN101960228B true CN101960228B (en) | 2013-10-30 |
Family
ID=40725080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980108126.8A Expired - Fee Related CN101960228B (en) | 2008-03-07 | 2009-02-24 | Cast-iron or aluminium sectional boiler |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20110139093A1 (en) |
| EP (1) | EP2250448B1 (en) |
| CN (1) | CN101960228B (en) |
| DE (1) | DE102008013086A1 (en) |
| RU (1) | RU2495336C2 (en) |
| WO (1) | WO2009109486A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008014523A1 (en) * | 2008-03-15 | 2009-09-17 | Robert Bosch Gmbh | heater |
| DE102008037762A1 (en) | 2008-08-14 | 2010-02-18 | Robert Bosch Gmbh | Cast iron or aluminum sectional boilers |
| DE102010023556A1 (en) * | 2010-06-11 | 2011-12-15 | Robert Bosch Gmbh | A sectional boiler |
| DE102018212211A1 (en) | 2018-07-23 | 2020-01-23 | Robert Bosch Gmbh | Flue gas jacket for a condensing boiler |
| EP3764021A1 (en) * | 2019-07-10 | 2021-01-13 | Bekaert Combustion Technology B.V. | Sectional heat exchanger |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1490247A (en) * | 1966-08-23 | 1967-07-28 | Buderus Eisenwerk | Heating boiler with elements, for liquid or gaseous fuels |
| FR2233571A1 (en) * | 1973-06-13 | 1975-01-10 | Fonderie Soc Gen De | Gas or liquid fired sectional boiler - ribs around heat exchanger walls circulate hot gases |
| EP0127881A1 (en) * | 1983-06-01 | 1984-12-12 | SELF-CLIMAT, Société anonyme dite | Hot water generator, in particular a central heating boiler, for solid fuel, especially for burning logs of wood |
| CN1282848A (en) * | 1999-08-02 | 2001-02-07 | 三浦工业株式会社 | Watertube boiler |
| DE102004023711B3 (en) * | 2004-05-11 | 2005-10-13 | Viessmann Werke Gmbh & Co Kg | Heating apparatus for space heating has heat exchanger with connectors running axially at both ends, to which at least two hydraulic turning regions are connected |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2273453A (en) * | 1939-08-16 | 1942-02-17 | Crane Co | Boiler |
| US2918043A (en) * | 1956-04-25 | 1959-12-22 | Harold S Ackerman | Heat transfer apparatus |
| US3261328A (en) * | 1964-04-29 | 1966-07-19 | Weil Mclain Company Inc | Boiler construction |
| DE1282899B (en) * | 1964-06-26 | 1968-11-14 | Buderus Eisenwerk | Sectional boiler |
| FR1542460A (en) * | 1966-05-23 | 1968-10-18 | Decauville S A Sa | Balanced radiant effect boiler with double hearth |
| DE1952521U (en) * | 1966-10-26 | 1966-12-29 | Buderus Eisenwerk | ARTICLE BOILERS FOR SOLID, LIQUID OR GAS FUELS. |
| CH458673A (en) * | 1967-04-06 | 1968-06-30 | Buderus Eisenwerk | Oil or gas-fired sectional boiler |
| DE1809073A1 (en) * | 1968-11-15 | 1970-06-11 | Strebelwerk Gmbh | Collective heating boiler |
| DE2210015C3 (en) * | 1972-03-02 | 1975-11-06 | Hans 3559 Battenberg Viessmann | Pressure bracing for the insert gleather, especially of a gas heating vessel |
| US4062325A (en) * | 1973-07-11 | 1977-12-13 | Pietro Fascione | Boiler using combustible fluid |
| DE3715198A1 (en) * | 1987-05-07 | 1988-11-24 | Buderus Heiztechnik Gmbh | Process for applying a corrosion-resistant coating to castings |
| RU2110730C1 (en) * | 1995-08-21 | 1998-05-10 | Борис Николаевич Гроздов | Barrel boiler |
| DE29621817U1 (en) | 1996-12-16 | 1997-03-13 | Buderus Heiztechnik Gmbh | Boiler for condensing operation |
| RU2194213C2 (en) * | 2000-05-15 | 2002-12-10 | Гроздов Борис Николаевич | Cylindrical hot-water boiler plant (versions) and metal circular header |
| DE10026549C1 (en) * | 2000-05-27 | 2001-11-22 | Viessmann Werke Kg | Boiler with coiled heat exchanger, has coil which is compressible relative to counter bearing in burner casing |
| RU2200913C2 (en) * | 2001-05-18 | 2003-03-20 | Акционерное общество открытого типа "Бумагоделательного машиностроения" | Water hating boiler |
| DE102005037735B4 (en) * | 2005-08-05 | 2010-07-01 | Nemak Linz Gmbh | Cylinder head casting blank, cast cylinder head for diesel internal combustion engines and method of making a cylinder head casting blank |
| DE102008037762A1 (en) * | 2008-08-14 | 2010-02-18 | Robert Bosch Gmbh | Cast iron or aluminum sectional boilers |
-
2008
- 2008-03-07 DE DE102008013086A patent/DE102008013086A1/en not_active Ceased
-
2009
- 2009-02-24 US US12/921,054 patent/US20110139093A1/en not_active Abandoned
- 2009-02-24 EP EP09717341.3A patent/EP2250448B1/en active Active
- 2009-02-24 RU RU2010140845/06A patent/RU2495336C2/en not_active IP Right Cessation
- 2009-02-24 CN CN200980108126.8A patent/CN101960228B/en not_active Expired - Fee Related
- 2009-02-24 WO PCT/EP2009/052175 patent/WO2009109486A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1490247A (en) * | 1966-08-23 | 1967-07-28 | Buderus Eisenwerk | Heating boiler with elements, for liquid or gaseous fuels |
| FR2233571A1 (en) * | 1973-06-13 | 1975-01-10 | Fonderie Soc Gen De | Gas or liquid fired sectional boiler - ribs around heat exchanger walls circulate hot gases |
| EP0127881A1 (en) * | 1983-06-01 | 1984-12-12 | SELF-CLIMAT, Société anonyme dite | Hot water generator, in particular a central heating boiler, for solid fuel, especially for burning logs of wood |
| CN1282848A (en) * | 1999-08-02 | 2001-02-07 | 三浦工业株式会社 | Watertube boiler |
| DE102004023711B3 (en) * | 2004-05-11 | 2005-10-13 | Viessmann Werke Gmbh & Co Kg | Heating apparatus for space heating has heat exchanger with connectors running axially at both ends, to which at least two hydraulic turning regions are connected |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2010140845A (en) | 2012-04-20 |
| DE102008013086A1 (en) | 2009-09-10 |
| WO2009109486A1 (en) | 2009-09-11 |
| EP2250448A1 (en) | 2010-11-17 |
| EP2250448B1 (en) | 2016-09-07 |
| CN101960228A (en) | 2011-01-26 |
| US20110139093A1 (en) | 2011-06-16 |
| RU2495336C2 (en) | 2013-10-10 |
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