EP1147341B1 - Feeder particularly for stoves or fireplaces - Google Patents
Feeder particularly for stoves or fireplaces Download PDFInfo
- Publication number
- EP1147341B1 EP1147341B1 EP00910597A EP00910597A EP1147341B1 EP 1147341 B1 EP1147341 B1 EP 1147341B1 EP 00910597 A EP00910597 A EP 00910597A EP 00910597 A EP00910597 A EP 00910597A EP 1147341 B1 EP1147341 B1 EP 1147341B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pair
- log
- rods
- feeder according
- cradle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- 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
- F24B1/18—Stoves with open fires, e.g. fireplaces
- F24B1/191—Component parts; Accessories
- F24B1/199—Fuel-handling equipment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B50/00—Combustion apparatus in which the fuel is fed into or through the combustion zone by gravity, e.g. from a fuel storage situated above the combustion zone
Definitions
- the present invention relates to a feeder for stoves or fireplaces.
- Stoves or fireplaces are usually constituted by a frame which is composed of a plurality of legs whose height can be adjusted and supports a combustion chamber which is usually open at the front and top and is connected to a hood for conveying the gases produced by the combustion of suitable wood which can be placed in the combustion chamber.
- a drawback of these conventional fireplaces is substantially constituted by the fact that the user has to periodically check the amount of wood present in the combustion chamber, in order to prevent the fire from going out and in order to maintain always approximately at the same level the amount of heat obtained for example in order to heat a room.
- a feeder according to the preamble of claim 1 is disclosed in US-A-4,865,016.
- the aim of the present invention is to solve the above-mentioned problems, eliminating the drawbacks of the cited prior art, by providing a device which allows to use a stove or fireplace while maintaining over time, without any direct intervention on the part of the user, a chosen and preset thermal load and therefore a chosen radiation of heat for example into the surrounding room.
- an important object of the present invention is to provide a device which allows to feed suitable logs into the combustion chamber automatically and without the intervention of the user.
- Another important object of the present invention is to provide a device which allows to feed logs into the combustion chamber as soon as the heat that is present therein decreases below a preset threshold.
- Another important object of the present invention is to provide a device which is structurally simple and can be applied to conventional stoves or fireplaces without substantially altering their front styling, which is the one that can be seen by the user.
- Another important object of the present invention is to provide a device which also allows to check the number of logs available for feeding the combustion chamber.
- Another object of the present invention is to provide a device which spares the user from having to directly feed the logs into the combustion chamber and is reliable and safe in use.
- means are provided for activating the conveyance and unloading means according to the chosen amount of heat generated in the combustion chamber.
- the reference numeral 1 designates a fireplace which is constituted by a frame which comprises a plurality of legs 2 whose height can optionally be adjusted and which support a structure which forms a combustion chamber 3.
- the chamber 3 accordingly has a base 4, two side walls 5a and 5b, a rear wall 6 and a front opening 7.
- the combustion chamber 3 is connected, in an upward region, to a hood 8 for conveying the flue gases to a suitable flue (not shown).
- the feeder comprises a first input station for logs, advantageously of the type obtained by pressing material and therefore preferably of the type having uniform dimensions for example in terms of length and diameter.
- the first input station designated by the reference numeral 10, is constituted by a box-like structure 11 which is arranged below the base 4 of the fireplace 1 and has a front opening 12 through which the logs can be introduced and arranged transversely to the fireplace.
- the box-like structure 11 has a first inclined plane 13 which is suitable to convey the logs at a second station, generally designated by the reference numeral 14, for loading the logs onto a means for actually conveying and unloading them, designated by the reference numeral 15.
- the second station is substantially constituted by a first cradle 16 for supporting a single log 9; the cradle is substantially C-shaped and its wings are freely pivoted, at their ends, at the wall of the box-like structure 11.
- the first cradle 16 is forced to oscillate counterclockwise, so as to unload the individual log into an underlying region, by means of a first pair of rods 17 which are conveniently arc-shaped and are associated, at one end, with the wings of the first cradle and are pivoted, at the other end, at the end of a second pair of rods 18 which are arranged behind the rear wall 6 of the fireplace 1.
- each one of the second pair of rods 18 is pivoted to a pair of fourth rods 50 which are in turn pivoted, at one end, to two first pivots 19 which can slide at a suitable first pair of guiding elements 20 which are substantially S-shaped; said first pair of guiding elements 20 is formed at a suitable pair of walls 21 which protrude behind the rear wall 6 of the fireplace 1.
- Each one of the first pivots 19 is connected, by means of a bar 22 (see Figure 4), laterally to a door 23 which has, at its upper end, two second pivots 24 which can slide at a second pair of guiding elements 25 which are also formed at the walls 21 and have the same shape as the first pair of guiding elements.
- the second pivots or the door are rotatably associated with a third pair of rods 26 which are eccentrically rigidly coupled, at their other end, at a Maltese cross, designated by the reference numeral 27, which preferably has three lobes, so that a rotation through 360° of the driving shaft 51 produces a rotation through 120° of the Maltese cross 27, which is rotationally rigidly coupled to a toothed pinion 52.
- a radial crank 53 is rigidly coupled to the driving shaft 51, and the third pair of rods 26 is pivoted thereto.
- the rotation of the crank must be counterclockwise; this entails the lifting of the third pair of rods 26 and therefore the lifting of the door 23 and of the second and third pairs of rods 18, which accordingly force the first cradle 16 to perform a clockwise rotation by means of the first pair of rods 17.
- an opening 29 which allows the passage of a single log at a duct 30 which protrudes inside the combustion chamber 3 in a region above a suitable brazier 31; the end of the duct is temporarily concealed by a swiveling flap 32 which is freely and transversely pivoted in an upward region, so that when a single log 9 is placed inside the duct 30 the flap can partially turn counterclockwise and the log can fall into the underlying brazier 31.
- the means for selectively conveying and unloading the logs 9 is further constituted by a plurality of second cradles 33 which are approximately identical to the first cradle 16 except for a lateral tab 34 which protrudes further from the base 35 in order to allow better containment of the log 9; the tab 34 is preferably present at the side that is not directed toward the rear wall 6 of the fireplace.
- each one of the second cradles is in fact freely rotatably pivoted at a suitable traction element, such as a chain 36, which is guided at four guiding elements: a first guiding element 37a, arranged in the region below the box-like structure 11; a second guiding element 37b, also located in the region below the box-like structure 11 but adjacent to the base 4 of the fireplace; a third guiding element 37c, located behind the rear wall 6 and appropriately spaced therefrom; and a fourth guiding element 37d, arranged proximate to the ground where the legs 2 rest in a region adjacent to said second guiding element.
- a suitable traction element such as a chain 36
- a carousel is thus formed which allows to position the various second cradles 33 by passing below the second station 14 and in the region that faces the door 23.
- the movement can be supplied to the chain 36 for example by means of a suitable belt or other chain 38 which is moved by means of the toothed pinion 52 which is coaxial to the Maltese cross 27.
- the second cradle 33 located at the door 23 is allowed to tip by two levers 39 which are arranged in an intermediate region between the two vertical stacks of the second cradles located behind the fireplace and slightly above the region provided with the door 23; the two levers have, at their free end, a hook 40 which is suitable to engage at a suitable pair of holes 41 formed at one end of the tab 34 of each second cradle 33.
- a guiding means constituted by a profiled element 42, which is substantially C-shaped and whose wings are rotatably pivoted, at their ends, at suitable third pivots 43 which are arranged in the intermediate region between the two vertical stacks of second cradles 33 and whose counterclockwise oscillation moves the connecting base 44 into the region below the second cradle engaged by the hook 40, producing a sliding surface for the log 9 which conveys the log into the duct 30.
- the feeder further comprises a means which is suitable to prevent the unloading of a log 9 from the first cradle 16 if the underlying second cradle 33 already supports another log; said means is constituted by a partition 46 which oscillates so as to block the fall of the log 9 from the first cradle 16, as shown in Figure 2.
- the feeder also has means for activating the chain 36, the toothed pinion 52 and therefore the Maltese cross 27, the two levers 39 and the partition 46; said means are, for example, constituted by proximity sensors or automatic controls which are dependent for example on a presettable value of the temperature inside the combustion chamber 3.
- a sensor which detects the presence or absence of a log in the three second cradles that are adjacent to the two levers 39; the presence of logs therefore allows to activate the two levers 39 in order to allow to unload them, whereas any absence of the logs blocks the pair of levers 39, forcing the rotation of the chain 36 in order to load other logs 9 stored previously inside the box-like structure 11, or reporting to the user that it is necessary to reload all the second cradles 33.
- the levers 39 can also be always activated for the rotation of the adjacent second cradle 33, even in the absence of a log; however, if a suitable sensor warns that the available logs are about to be used up, the levers 39 are deactivated so that loading in the second station 14 can occur.
- the user loads the second cradles 33 by inserting the logs 9 at the front opening 12 of the box-like structure 11; at the same time, the toothed pinion 52 and therefore the Maltese cross 27 are activated, forcing the unloading of one log at a time at the underlying second cradles 33; this operation is repeated until a sensor indicates the presence of logs in all the second cradles 33.
- a suitable sensor activates the two levers 39 when, for example, the temperature drops below a certain value; in this manner, the logs are unloaded in sequences of three logs, forcing the lifting of the third pair of rods 26 so as to entail the simultaneous lifting of the profiled element 42, whose connecting base 44 forms a surface for conveying the log into the duct 30.
- the activation of the two levers 39 allows a single second cradle 33 to tip, transferring the log 9 into the brazier 31 through the swiveling flap 32.
- the invention achieves the intended aim and objects, a feeder having been provided which allows to use a fireplace so as to maintain, without any direct intervention by the user, a chosen and preset thermal load and therefore a chosen heat radiation into the surrounding space or into other spaces through suitable and known heat conveyance devices.
- the feeder also allows to introduce suitable logs automatically into the combustion chamber as soon as the heat that is present therein drops below a preset threshold, which can be detected by suitable conventional sensors.
- the feeder is furthermore simple and can be applied to conventional stoves or fireplaces without substantially altering their front styling, which is the one that is visible to the user; finally, the feeder also allows to check the number of logs available for feeding the combustion chamber.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electric Stoves And Ranges (AREA)
- Solid-Fuel Combustion (AREA)
- Resistance Heating (AREA)
- Constitution Of High-Frequency Heating (AREA)
- Coke Industry (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Incineration Of Waste (AREA)
- Polyesters Or Polycarbonates (AREA)
- Bakery Products And Manufacturing Methods Therefor (AREA)
- Glass Compositions (AREA)
Abstract
Description
Claims (16)
- A feeder, particularly for stoves or fireplaces comprising a supporting frame for a combustion chamber (3) and a flue gas conveyance hood (8), a first log input station (10) constituted by a box-like structure (11) which is arranged below a base (4) of the combustion chamber (3) and has a front opening (12) through which said logs can be introduced so as to lie transversely to the fireplace, and a second station (14) for loading logs onto a means (15) for selectively conveying and unloading them into said combustion chamber (3) which is constituted by a first cradle (16) for supporting a single log (9), said cradle (16) being substantially C-shaped and having wings which are freely pivoted, at their end, at the wall of said box-like structure (11), characterised in that:said first cradle (16) is forced to oscillate counterclockwise, so as to unload said individual log (9) into an underlying region, by means of a first pair of rods (17) which are arc-shaped and are associated, at one end, with the wings of said first cradle and are pivoted, at their other end, to the end of a second pair of rods (18) arranged behind a rear wall (6) of said fireplace (1);at the other end each rod of said second pair of rods (18) is pivoted to a pair of fourth rods (50) which are in turn pivoted, at one end, to two first pivots (19) which can slide at a first pair of S-shaped guiding elements (20), said first pair of guiding elements (20) being formed at a pair of walls (21) which protrude behind said rear wall (6) of said fireplace (1);each one of said first pivots (19) is connected, by means of a bar (22), laterally to a door (23) which has, at its upper end two second pivots (24) which can slide at a second pair of guiding elements (25) which are also formed at said pair of walls (21) which protrude behind said rear wall of said fireplace and have the same shape as said first pair of guiding elements;said second pivots or said door are rotatably associated with one end of a third pair of rods (26) which are rigidly coupled, at their other end, eccentrically at a crank system (27) so that a rotation through 360° of a driving shaft (51) produces a 120° rotation of said crank system (27), which in turn rotates rigidly with a toothed pinion (52), a radial crank (53) being rigidly coupled to said driving shaft (51), said third pair of rods (26) being pivoted to said crank (53) and being rotatable counterclockwise so as to lift said third pair of rods (26) and accordingly lift said door (23) and said second and third pairs of rods (18).
- The feeder according to claim 1, characterized in that it comprises means for activating said means for the selective conveyance and unloading of said logs (9) into said combustion chamber (3) according to a chosen and presettable temperature inside said combustion chamber (3).
- The feeder according to claim 2, characterized in that said box-like structure (11) has a first inclined plane (13) which is suitable to convey the logs (9) at said second station (14) for loading them onto said means (15) for selectively conveying and unloading the logs.
- The feeder according to claim 1, characterized in that the counterclockwise rotation of said crank system (27) entails the lifting of said third pair of rods (26) and therefore the lifting of said door (23) and the lifting of said second pair of rods (18), which force a clockwise rotation of said first cradle (16) by means of said first pair of rods (17).
- The feeder according to claim 1, characterized in that an opening is formed at said door in said rear wall (6) of said fireplace (1) and is adapted to allow the passage of an individual log (9) at a duct (30) which protrudes inside said combustion chamber (3) in a region that lies above a brazier (31), the end of said duct (30) being temporarily concealed by a swiveling flap (32) which is freely pivoted transversely and in an upward region, so that when a single log (9) is placed inside said duct (30) said flap (32) can partially overturn in a counterclockwise direction and the log (9) can fall into said underlying brazier (31).
- The feeder according to claim 1, characterized in that said means for selectively conveying and unloading said logs is further constituted by a plurality of second cradles (33) which have a substantially C-shaped transverse cross-section, a lateral tab (34) protruding transversely to a base (35) of the second cradles (33) in order to allow better containment of said log (9).
- The feeder according to claim 6, characterized in that the ends of wings of each one of said second cradles (33) are freely rotatably pivoted at a traction element (36), which is guided at four guiding elements: a first guiding element (37a), which is located in the region below said box-like structure (11); a second guiding element (37b), which is located in the region below said box-like structure (11) and adjacent to a base (4) of said fireplace; a third guiding element (37c), which is located behind a rear wall (6) of said fireplace and spaced therefrom; and a fourth guiding element (37d), which is located proximate to the ground where legs (2) of said fireplace rest in a region adjacent to said second guiding element (37b).
- The feeder according to claim 7, characterized in that there is a carousel which allows to place said second cradles (33) so as to pass below said second station (14) and in the region that faces said door (23), said traction element (36) being actuated by means of a belt (36) which is moved by said toothed pinion (52) which is coaxial to said crank system (27).
- The feeder according to claim 6, characterized in that it comprises two levers (39) which are arranged in a region which is intermediate between two vertical stacks, located behind said fireplace, which are formed by said second cradles (33), said two levers (39) being arranged above the region provided with said door (23) and being suitable to allow the tipping of said second cradle (33) which is located, in its carousel-like path, at said door (23).
- The feeder according to claim 9, characterized in that said two levers (39) have, at their free end, a hook (40) which is adapted to engage at a pair of holes (41) formed at one end of said tab of each one of said second cradles (33).
- The feeder according to claim 10, characterized in that it comprises a guiding means which is adapted to facilitate the fall of said individual log (9), said means being constituted by a C-shaped profiled element (42) whose wings are rotatably pivoted, at their ends, at third pivots (43) which are arranged in the region between said two vertical stacks of said second cradles (33) and whose counterclockwise oscillation places the connecting base (44) in the region below said second cradle (33) engaged by said hook, (40) forming a sliding surface for said individual log (9) which conveys said log into said duct (30).
- The feeder according to claim 11, characterized in that said profiled element (42) is directly actuated so as to oscillate by the lifting of said second pair of rods (16) by being articulated thereto by means of fourth pivots (45).
- The feeder according to claim 6, characterized in that it comprises a means which allows to prevent the unloading of a log (9) from said first cradle (16) if the underlying second cradle (33) already supports another log, said means being constituted by a partition (46) which oscillates so as to block the fall of said log (9) from said first cradle (16).
- The feeder according to claim 13, characterized in that it comprises means which are suitable to activate said traction element (36), said crank system (27), said pair of levers (39) and said partition (46), said means being constituted by proximity sensors or automatic controls which are linked to a presettable value of the temperature inside said combustion chamber (3).
- The feeder according to claim 9, characterized in that it comprises a sensor which is suitable to detect the presence or absence of a log in the second cradles that are adjacent to said pair of levers (39).
- The feeder according to claim 15, characterized in that it comprises means for activating the rotation of said pair of levers (39) when it is necessary to overturn them in order to convey said log into said brazier (31).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT1999TV000010A IT1311814B1 (en) | 1999-01-26 | 1999-01-26 | POWER SUPPLY DEVICE, ESPECIALLY FOR STOVES OR FIREPLACES. |
ITTV990010 | 1999-01-26 | ||
PCT/EP2000/000431 WO2000045092A1 (en) | 1999-01-26 | 2000-01-20 | Feeder particularly for stoves or fireplaces |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1147341A1 EP1147341A1 (en) | 2001-10-24 |
EP1147341B1 true EP1147341B1 (en) | 2004-10-27 |
Family
ID=11420541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00910597A Expired - Lifetime EP1147341B1 (en) | 1999-01-26 | 2000-01-20 | Feeder particularly for stoves or fireplaces |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1147341B1 (en) |
AT (1) | ATE280929T1 (en) |
AU (1) | AU3276000A (en) |
DE (1) | DE60015292D1 (en) |
IT (1) | IT1311814B1 (en) |
WO (1) | WO2000045092A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT506321B1 (en) * | 2008-03-25 | 2009-08-15 | Guetl Karl Ing | STORAGE CONTAINER FOR SOLID FUELS WITH PRESSURE ELEMENT |
IT1399708B1 (en) * | 2010-04-26 | 2013-04-26 | Nordica Spa | HEATING SYSTEM ON SOLID FUEL WITH AUTOMATIC HIGH-SAFE FEEDING |
IT1404290B1 (en) * | 2011-02-18 | 2013-11-15 | Nordica Spa | HEATING DEVICE WITH AUTOMATIC SUPPLY OF SOLID FUEL, IN PARTICULAR WOODEN TRUNKS |
FR3036464B1 (en) * | 2015-05-18 | 2019-12-13 | Jean Luc Bouvier | AUTOMATIC DISPENSING HOPPER OF CYLINDRICAL COMPACTED WOOD LOGS |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2571125A1 (en) * | 1984-10-02 | 1986-04-04 | Agarra Henri | Boiler with automatic loading for domestic and industrial heating |
US4865016A (en) * | 1988-09-27 | 1989-09-12 | Landry Joseph L | Automatic log feeder for fireplaces |
US5462046A (en) * | 1994-04-22 | 1995-10-31 | Hannah; Jacquilyn K. | Fireplace log dispensing apparatus |
-
1999
- 1999-01-26 IT IT1999TV000010A patent/IT1311814B1/en active
-
2000
- 2000-01-20 DE DE60015292T patent/DE60015292D1/en not_active Expired - Lifetime
- 2000-01-20 AT AT00910597T patent/ATE280929T1/en not_active IP Right Cessation
- 2000-01-20 EP EP00910597A patent/EP1147341B1/en not_active Expired - Lifetime
- 2000-01-20 AU AU32760/00A patent/AU3276000A/en not_active Abandoned
- 2000-01-20 WO PCT/EP2000/000431 patent/WO2000045092A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
WO2000045092A1 (en) | 2000-08-03 |
AU3276000A (en) | 2000-08-18 |
ITTV990010A1 (en) | 2000-07-26 |
IT1311814B1 (en) | 2002-03-19 |
ATE280929T1 (en) | 2004-11-15 |
EP1147341A1 (en) | 2001-10-24 |
DE60015292D1 (en) | 2004-12-02 |
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