WO2006008762A1 - A pellet heat generator with production of hot water and air - Google Patents
A pellet heat generator with production of hot water and air Download PDFInfo
- Publication number
- WO2006008762A1 WO2006008762A1 PCT/IT2004/000391 IT2004000391W WO2006008762A1 WO 2006008762 A1 WO2006008762 A1 WO 2006008762A1 IT 2004000391 W IT2004000391 W IT 2004000391W WO 2006008762 A1 WO2006008762 A1 WO 2006008762A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- air
- pellet
- hot water
- heat generator
- hot
- Prior art date
Links
- 239000008188 pellet Substances 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances data:image/svg+xml;base64,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 data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0nMS4wJyBlbmNvZGluZz0naXNvLTg4NTktMSc/Pgo8c3ZnIHZlcnNpb249JzEuMScgYmFzZVByb2ZpbGU9J2Z1bGwnCiAgICAgICAgICAgICAgeG1sbnM9J2h0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnJwogICAgICAgICAgICAgICAgICAgICAgeG1sbnM6cmRraXQ9J2h0dHA6Ly93d3cucmRraXQub3JnL3htbCcKICAgICAgICAgICAgICAgICAgICAgIHhtbG5zOnhsaW5rPSdodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rJwogICAgICAgICAgICAgICAgICB4bWw6c3BhY2U9J3ByZXNlcnZlJwp3aWR0aD0nODVweCcgaGVpZ2h0PSc4NXB4JyB2aWV3Qm94PScwIDAgODUgODUnPgo8IS0tIEVORCBPRiBIRUFERVIgLS0+CjxyZWN0IHN0eWxlPSdvcGFjaXR5OjEuMDtmaWxsOiNGRkZGRkY7c3Ryb2tlOm5vbmUnIHdpZHRoPSc4NScgaGVpZ2h0PSc4NScgeD0nMCcgeT0nMCc+IDwvcmVjdD4KPHRleHQgeD0nMTMuMzEyOCcgeT0nNTMuNTkwOScgY2xhc3M9J2F0b20tMCcgc3R5bGU9J2ZvbnQtc2l6ZToyM3B4O2ZvbnQtc3R5bGU6bm9ybWFsO2ZvbnQtd2VpZ2h0Om5vcm1hbDtmaWxsLW9wYWNpdHk6MTtzdHJva2U6bm9uZTtmb250LWZhbWlseTpzYW5zLXNlcmlmO3RleHQtYW5jaG9yOnN0YXJ0O2ZpbGw6I0U4NDIzNScgPkg8L3RleHQ+Cjx0ZXh0IHg9JzI4LjE1NjknIHk9JzYyLjg2MzYnIGNsYXNzPSdhdG9tLTAnIHN0eWxlPSdmb250LXNpemU6MTVweDtmb250LXN0eWxlOm5vcm1hbDtmb250LXdlaWdodDpub3JtYWw7ZmlsbC1vcGFjaXR5OjE7c3Ryb2tlOm5vbmU7Zm9udC1mYW1pbHk6c2Fucy1zZXJpZjt0ZXh0LWFuY2hvcjpzdGFydDtmaWxsOiNFODQyMzUnID4yPC90ZXh0Pgo8dGV4dCB4PSczNS4wNDU1JyB5PSc1My41OTA5JyBjbGFzcz0nYXRvbS0wJyBzdHlsZT0nZm9udC1zaXplOjIzcHg7Zm9udC1zdHlsZTpub3JtYWw7Zm9udC13ZWlnaHQ6bm9ybWFsO2ZpbGwtb3BhY2l0eToxO3N0cm9rZTpub25lO2ZvbnQtZmFtaWx5OnNhbnMtc2VyaWY7dGV4dC1hbmNob3I6c3RhcnQ7ZmlsbDojRTg0MjM1JyA+TzwvdGV4dD4KPC9zdmc+Cg== O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000003517 fume Substances 0.000 claims abstract description 17
- 238000002485 combustion reaction Methods 0.000 claims abstract description 14
- 239000002828 fuel tank Substances 0.000 claims abstract description 7
- 239000012530 fluid Substances 0.000 claims abstract description 5
- 238000007689 inspection Methods 0.000 claims abstract description 5
- 230000001788 irregular Effects 0.000 claims abstract description 5
- 229920002456 HOTAIR Polymers 0.000 claims abstract description 3
- 239000000446 fuel Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 4
- 230000001105 regulatory Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000002853 ongoing Effects 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 238000010926 purge Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000035508 accumulation Effects 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound 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[O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001143 conditioned Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
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, IN GENERAL
- F24H6/00—Combined water and air heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B40/00—Combustion apparatus with driven means for feeding fuel into the combustion chamber
- F23B40/06—Combustion apparatus with driven means for feeding fuel into the combustion chamber the fuel being fed along the fuel-supporting surface
- F23B40/08—Combustion apparatus with driven means for feeding fuel into the combustion chamber the fuel being fed along the fuel-supporting surface into pot- or trough-shaped grates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B80/00—Combustion apparatus characterised by means creating a distinct flow path for flue gases or for non-combusted gases given off by the fuel
- F23B80/04—Combustion apparatus characterised by means creating a distinct flow path for flue gases or for non-combusted gases given off by the fuel by means for guiding the flow of flue gases, e.g. baffles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
- F23L17/005—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues using fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
- F24B1/00—Stoves or ranges
- F24B1/02—Closed stoves
- F24B1/024—Closed stoves for pulverulent fuels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT GENERATING MEANS, IN GENERAL
- F24H2230/00—Solid fuel fired boiler
Abstract
A pellet heat generator with simultaneous production of hot water and air that it presents one body for thermal exchange (17) inside the boiler room, with flat plate surfaces, which is provided with an inter-space of a varying height for the whole of their length, inside which water thermo-vector fluid circulates, and which are sectioned, geometrically shaped and with irregular breaks creating two separate flow channels for the hot fumes; the first one (20) winds from the middle to the top of the boiler room, and the 10 second one (21), with inversion of the direction of the flow of the hot fumes drawn by the aspirator (12) extends from the top to the out-way channel (24). An additional air flow thermal exchange circuit is set so that part of the heat remaining on the plates around the combustion chamber and along 15 the hot fume path is recovered by the action of the ventilator (26), passing cold air drawn by the air intakes (27) from the outside area and circulating it directly into the area across the grid (28) in the form of hot air. At the back of the boiler room there is a fuel tank (1) with an inspection and loading hatch (2), as well as a tapered bottom (3), and inside this there 20 is the mechanism for feeding the pellet (4), which consists of a motor (5) and cylinder (6) with an Archimedean screw (7), which fishes the pellet from the bottom of the tank (1) and transfers it to the feed pipe (8) where it silently falls and automatically reaches the brazier (10).
Description
Description
A pellet heat generator with production of hot water and air .
Technical field Object of the present invention is a compact heat generator for domestic environments with a boiler that burns as fuel the pellet and that uses a particular inside run of the gases warm actions to heat water for the plant to heaters and contemporarily to directly introduce warm air in the environment.
State of the technique
As is known in the last years gone spreading particular stoves with high- performance and little pollutants, denominate pellet stoves. The diffusion of these particular stoves is due to a series of advantages in comparison to the traditional wood stoves, particularly: to the use of an ecological fuel constituted from small woody trunks, denominated pellet, realized for compression of the sawdust or the discards of the workmanship of the wood deprive of varnishes and other polluting substances; to the use of rooms watertight boilers so that to get the perfect balancing of the necessary quantity of air to the combustion of the pellet; to the possibility to be able to dose the liking fuel and to allow a precise control of the temperatures; the lighting, the regulation of the feeding, the quantity of air and warm water are automatically managed by a
microprocessor; but especially the elimination of the incombustibles proper of the solid fuels, with an irrelevant pollution from flue gases, and accordingly the elimination of the traditional chimney top, facilitating the installation and his use in the apartments joint ownership type with autonomous system of distribution, and the use in the cities historical centre.
Purposes and advantages of the invention
Principal purpose of present invention is that to realize an heat generator structured as a pellet stove that introduces a body for thermal exchange within which water as thermo vector fluid circulate and prepared so that to suitably intercept the gases warm second such a preferred run to produce a tall efficiency with a good thermal output to its inside.
Other purpose of the present invention in accord with that precedent is that to predispose a further circuit of thermal exchange, in this case to flow of air, prepared so that can use some residual heat produced by the warm gases on the walls around the boiler room.
Other purpose of the present invention is that to realize a brazier conformed so that to be able of auto-distributes the pellet onto its surface, so that to realize an effective and complete combustion.
Other purpose of the present invention is that to realize a fuel tank of the pellet to whose inside is positioned the body complete of the Archimedean screw and motor.
Other purpose of the present Invention in accord with those precedents is that -to reduce and to contain .notably the dimensions of encumbrance of the whole generator of heat, making it compact and pleasant, with an important function of furnishing for the environment in which it is installed.
Description of the drawings and way of realizing the invention
Further characteristics and advantages of the invention one will mostly result from the description of a form of preferred and illustrated execution to indicative title and not limitative from the drawings.
The fig. 1 show an external frontal sight
The fig. 2 show an external side sight
The fig. 3 show an external superior sight
The fig. 4 show the external back sight. The fig. 5 show an inside side sight with all the component principals
The fig. 6 show a inside frontal sight in which the circuit of flow of the air is illustrated mainly.
The fig. 7 show an inside side sight in which some component are underlined The fig. 8 show an inside side sight in which other components are underlined
The figs. 9, 10 and 11 respectively show a side sight in section, a frontal sight in section and a sight from the tall one of the conformation of the
brazier .
With reference to the drawings with (1) the fuel tank is pointed out (1) with an inspection and loading hatch (2), as well as to tapered bottom (3). Inside this there is the mechanism for feeding the pellet (4), which consists of to motor (5) and cylinder (6) with an Archimedean screw (7), which fishes the pellet from the bottom of the tank (1) and transfers it to the feed pipes (8) where it silently falls and automatically reaches the brazier (10). The pellet, which comes out of the feed pipes (8), is deposited on the surface of the grid (9) of the brazier (10). The possession conferred to double inclination to surface of grid (9), in particular, said surface having been given to negative inclination in an anterior-posterior direction, and from the transversal middle towards the left and right sides, is such that it auto-distributes the pellet onto its surface, so that to avoid accumulations in the certain zones and therefore favouring the complete combustion. The combustion is baited by an lighter (11) and is regulated by a centrifugal aspirator (12) with the double function of suction the smokes of the combustion along the predisposed run and to make to come doses quantity of combustive air, withdrawn by the external environment, through the duct (13) in the room of distribution (14) below the grate. Continually the solid residues of the combustion fall from the grid in the ash room post below (15) and sideways (16) to the body of the grid. The feed pipes (8) is made up of two pipes, which are inserted coaxially inside each other for most of their length, whose free end crosses to hole
made In the surface of the heat exchanger (17) and is fixed to it by the plate (18).
The heat exchanger is constituted by a body with flat plate surfaces, which is provided with an inter-space of to varying height for the whole of their length, inside which water thermo-vector fluid normally circulates. The heat exchanger is constituted by two present portions on opposite sides of the boiler room, the first body portion (171) for thermal exchange extends from the level of fire, next to one side of the boiler room, along to path with vertical oblique and stretches and various inclinations, to the top of the boiler room, where there is the opening (19), whilst the second body portion (172) for thermal exchange goes back down on the other, opposite side, again with an irregular course and with various inclinations in its surface, until about the middle of the boiler room, realizing in this way a sort of tortuous channel (20) for the warm smokes that are originated from the combustion of the pellet and that crossing they surrender part of their heat to the metallic surfaces of the heat exchanger. This conformation and disposition of the heat exchanger it realizes to the meantime a greater surface of thermal exchange and a best trial fluid thermo dynamic of thermal exchange. In fact crossing the channel (20) the fumes tend accumulated to, alongside their caloric energy, which may be absorbed by the walls of the plates that are touched, in optimal way, by an ongoing effect of turbulence and pressure that is created by the geometric course; the desired sucking force of the aspirator (12) also contributes in
part. On wall (22) are present protruding fins (23) that serve to slow -down -the flow of the. smokes and to. provoke turbulences so that to favor the thermal exchanges. On reaching the top of the boiler room, the fumes escape through the opening (19) and invert the direction of the flow, passing into the canalisation (21), which is made up of the wall (22) of the vain boiler and the back surface of the body for exchange (171) of the heat exchanger (17); the fumes are drawn by the aspirator (12). The flue gas to the outer evacuation area happens through the channel (24) of the aspirator (12), whilst the chamber below (25) serves as to filter for the solid particles crossing the whole of the fume circuit and are deposited there.
It is notable the fact that the heat exchanger with geometric shape in section to irregular breaks and turns of multiple smokes with inversion of the flow and conditioned aspiration, object of the present invention, allows to vary the power disbursed in operation only of the quantity of burnt fuel unlike the traditional heat exchangers to turns of smoke whether to vary the potentiality made further to the water to increase the quantity of fuel is owed to also increase in proportion the useful surface of thermal exchange. The heat remaining on the plates around the combustion chamber and along the hot fume path is recovered before the smokes definitely escape through the chimney top by the action of the ventilator (26), passing cold air drawn by the air intakes (27) from the outside area and circulating it directly into the area across the grid (28) in the form of hot air.
The boiler is built with steel plate to strong thickness while the room of combustion is in thermal steel inox, but can also be built with material of other type compatible with the environment in which is installed. The front hatch (29) has double-glazing with an inter-space, knows that the heat acting on the glass in contact with the furnace is dispelled through the convective channel (30) keeping the second glass cold, that is to direct contact with the environment, making the everything sure against possible scorching for direct contact. The boiler, object of the present invention, has been conceived for the operation in automatic, all the mechanisms are checked by an electronic card fitted with a microprocessor regulating the flow of fuel according to various internal feelers and sensors, and air for feeding to optimise combustion; it complete is of the circulator (31) for circulating water to the central heating plant, closed surge tank (32), flow switch (33), safety valve (34), outlet pipes (35), purge valve (36), inspection hatch (37) fuel tank, extra - kit for the secondary exchanger for making hot water for the sanitary fixtures.
Always in reference to the drawings, is pointed out the false upper grid (38), the thermo-hydrometer (39) indicating the temperatures and pressure inside the boiler, the cold water feeding mouth (40), hot water delivery mouth (41), the radiator water return entrance (42), the furnace feeding cold air entrance opening (43), the exhaust fume outlet opening (44) and the ignition switch and electric socket (45).
Structured as a stoves fed to pellet, whose dimensions are variable second of the potentiality of the firebox, it notices notable the fact that all the components needed for operation are concentrated inside the structure, safety and feeding, means that the overall size is contained thus making the whole heat generator extremely compact .
Claims
Claims
1~)- A pellet heat generator with simultaneous production of hot water and air characterized by the fact that it presents one body for thermal exchange (17) inside the boiler room, with flat plate surfaces, which is provided with an inter- space of a varying height for the whole of their length, inside which water thermo-vector fluid circulates, and- which are sectioned, geometrically shaped and with irregular breaks creating two separate flow channels for the hot fumes deriving from the combustion of the pellet on the grid (9); the first one (20) winds from the middle to the top of the boiler room, and the second one (21), with inversion of the direction of the flow of the hot fumes drawn by the aspirator (12) extends from the top to the out- way channel (24).
2) ) A pellet heat generator with simultaneous production of hot water and air as the claim 1) characterized by the fact that the body portion (171) for thermal exchange extends from the level of fire, next to one side of the boiler room, along a path with vertical and oblique stretches and various inclinations, to the top of the boiler room, where there is the opening (19), whilst the body portion (172) for thermal exchange goes back down on the other, opposite side, again with an irregular course and with various inclinations in its surface, until about the middle of the boiler room.
3) A pellet heat generator with simultaneous production of hot water and air as the claims 1) and 2) characterized by the fact that crossing the channel (20) the fumes tend to accumulate, alongside their caloric energy,
which may be absorbed by the walls of the plates that are touched by an ongoing- effect of turbulence and pressure, that is created by the geometric course; the desired sucking force of the aspirator (12) also contributes in part. 4) A pellet heat generator with simultaneous production of hot water and air as the claim 1 , 2) and 3) characterized by the fact that on reaching the top of the boiler room, the fumes escape through the opening (19) and invert the direction of the flow, passing into the canalisation (21), which is made up of the wall (22) with protruding fins (23) and the back surface of the body for exchange (171); the fumes are drawn by the aspirator (12), which then directs them through the channel (24) to the outer evacuation chimney, whilst the chamber below (25) serves as a filter for the solid particles crossing the whole of the fume circuit and are deposited there.
5) A pellet heat generator with simultaneous production of hot water and air as the claim 1, 2), 3), and 4) characterized by the fact that an additional air flow thermal exchange circuit is set so that part of the heat remaining on the plates around the combustion chamber and along the hot fume path is recovered by the action of the ventilator (26), passing cold air drawn by the air intakes (27) from the outside area and circulating it directly into the area across the grid (28) in the form of hot air.
6) A pellet heat generator with simultaneous production of hot water and air as the preceding claims characterized by the fact that at the back of the boiler room there is a fuel tank (1) with an inspection and loading
hatch (2), as well as a tapered bottom (3), and Inside this there is the mechanism for feeding the pellet (4) , which consists of a motor (5) and cylinder (6) with an Archimedean screw (7), which fishes the pellet from the bottom of the tank (1) and transfers it to the feed pipe (8) where it silently falls and automatically reaches the brazier (10).
7) A pellet heat generator with simultaneous production of hot water and air as the claim 1) and 6) characterized by the fact that the pellet, which comes out of the feed pipe (8), is deposited on the surface of the grid (9), whose double inclination is such that it auto -distributes the pellet onto its surface, in particular, said surface having been given a negative inclination in an antero-posterior direction, and from the transversal middle towards the left and right sides.
8) A pellet heat generator with simultaneous production of hot water and air as the claim 1, 6) and 7) characterized by the fact that the feed pipe (8) is made up of two pipes, which are inserted coaxially inside each other for most of their length, whose free end crosses a hole made in the surface of the heat exchanger (17) and is fixed to it by the plate (18).
9) A pellet heat generator with simultaneous production of hot water and air as the claim 1) characterized by the fact that the front hatch (29) has double-glazing with an inter-space, so that the heat acting on the glass in contact with the furnace is dispelled through the convective channel (30) keeping the second glass cold.
10) A pellet heat generator with simultaneous production of hot water and
air as the preceding claims characterized by the fact that all of the components needed for operation are concentrated inside the structure, the burner, the double exchanger of heat to water and air, the fuel tank and the Archimedean screw feeding mechanism, the electronic card fitted with a microprocessor regulating the flow of fuel according to various internal feelers and sensors, and air for feeding to optimise combustion, as well as the circulator (31) for circulating water to the central heating plant, closed surge tank (32), flow switch (33), safety valve (34), outlet pipe (35), purge valve (36), inspection hatch (37) fuel tank extra- kit for the secondary exchanger for making hot water for the sanitary fixtures, the false upper grid (38), the thermo -hydrometer (39) indicating the temperature and pressure inside the boiler, the cold water feeding mouth (40), hot water delivery mouth (41), the radiator water return entrance (42), the furnace feeding cold air entrance opening (43), the exhaust fume outlet opening (44) and the ignition switch and electric socket (45) means that the overall size is contained, thus making the whole heat generator extremely compact .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IT2004/000391 WO2006008762A1 (en) | 2004-07-16 | 2004-07-16 | A pellet heat generator with production of hot water and air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IT2004/000391 WO2006008762A1 (en) | 2004-07-16 | 2004-07-16 | A pellet heat generator with production of hot water and air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006008762A1 true WO2006008762A1 (en) | 2006-01-26 |
Family
ID=34958255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/IT2004/000391 WO2006008762A1 (en) | 2004-07-16 | 2004-07-16 | A pellet heat generator with production of hot water and air |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2006008762A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1890092A1 (en) * | 2006-08-16 | 2008-02-20 | Heinrich Franz Wallnöfer | Fire place for solid fuel for the heating of a room and remote rooms as for heating of sanitary water. |
| WO2008022412A1 (en) * | 2006-08-25 | 2008-02-28 | Severel Paskov Parvanov | Heating boiler |
| CN101149186B (en) * | 2007-11-13 | 2010-05-26 | 景洪 | Condensing type highly effective gas displacement type water heater |
| WO2015121848A1 (en) * | 2014-02-17 | 2015-08-20 | Gruppo Piazzetta S.P.A. | Storage heating or slow heat release stove |
| EP2642198A3 (en) * | 2012-03-21 | 2016-06-22 | Hoval Aktiengesellschaft | Grate and method of burning a granular fuel material |
| CN106224999A (en) * | 2016-08-06 | 2016-12-14 | 国能生源科技有限公司 | A kind of multiple stage circulation heat transfer efficient biomass combustion furnace |
| IT201800007325A1 (en) * | 2018-07-19 | 2020-01-19 | Pellet or biomass boiler |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE949258C (en) * | 1951-12-21 | 1956-09-13 | Thure Andersson | Standing boiler for generating hot water and warm air |
| FR1399126A (en) * | 1964-06-17 | 1965-05-14 | Boiler for hot water production | |
| GB1296344A (en) * | 1970-01-26 | 1972-11-15 | ||
| US4565184A (en) * | 1984-05-17 | 1986-01-21 | Collins Bruce H | Combustible particulate fuel heater |
| US5123360A (en) * | 1989-12-06 | 1992-06-23 | Burke Terrence M | Pellet stove with enhanced air circulation efficiency |
-
2004
- 2004-07-16 WO PCT/IT2004/000391 patent/WO2006008762A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE949258C (en) * | 1951-12-21 | 1956-09-13 | Thure Andersson | Standing boiler for generating hot water and warm air |
| FR1399126A (en) * | 1964-06-17 | 1965-05-14 | Boiler for hot water production | |
| GB1296344A (en) * | 1970-01-26 | 1972-11-15 | ||
| US4565184A (en) * | 1984-05-17 | 1986-01-21 | Collins Bruce H | Combustible particulate fuel heater |
| US5123360A (en) * | 1989-12-06 | 1992-06-23 | Burke Terrence M | Pellet stove with enhanced air circulation efficiency |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1890092A1 (en) * | 2006-08-16 | 2008-02-20 | Heinrich Franz Wallnöfer | Fire place for solid fuel for the heating of a room and remote rooms as for heating of sanitary water. |
| WO2008022412A1 (en) * | 2006-08-25 | 2008-02-28 | Severel Paskov Parvanov | Heating boiler |
| CN101149186B (en) * | 2007-11-13 | 2010-05-26 | 景洪 | Condensing type highly effective gas displacement type water heater |
| EP2642198A3 (en) * | 2012-03-21 | 2016-06-22 | Hoval Aktiengesellschaft | Grate and method of burning a granular fuel material |
| WO2015121848A1 (en) * | 2014-02-17 | 2015-08-20 | Gruppo Piazzetta S.P.A. | Storage heating or slow heat release stove |
| CN106224999A (en) * | 2016-08-06 | 2016-12-14 | 国能生源科技有限公司 | A kind of multiple stage circulation heat transfer efficient biomass combustion furnace |
| IT201800007325A1 (en) * | 2018-07-19 | 2020-01-19 | Pellet or biomass boiler |
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