US3610182A - Sawdust feeder for incinerator - Google Patents
Sawdust feeder for incinerator Download PDFInfo
- Publication number
- US3610182A US3610182A US867763A US3610182DA US3610182A US 3610182 A US3610182 A US 3610182A US 867763 A US867763 A US 867763A US 3610182D A US3610182D A US 3610182DA US 3610182 A US3610182 A US 3610182A
- Authority
- US
- United States
- Prior art keywords
- incinerator
- feeder
- housing
- disc
- loading
- 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
Links
- 238000002485 combustion reaction Methods 0.000 claims description 20
- 239000000446 fuel Substances 0.000 claims description 8
- 239000013618 particulate matter Substances 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000011800 void material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 8
- 239000002245 particle Substances 0.000 abstract description 4
- 239000000779 smoke Substances 0.000 abstract description 3
- 239000003570 air Substances 0.000 description 14
- 239000007789 gas Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 235000015776 Gunnera tinctoria Nutrition 0.000 description 1
- 244000031493 Gunnera tinctoria Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/442—Waste feed arrangements
- F23G5/444—Waste feed arrangements for solid waste
Definitions
- This invention relates to a feeding means for an incinerator whereby particle sized refuse such as sawdust may be moved from a hopper or the like outside the incinerator to a combustion chamber inside the incinerator without directly opening the incinerator chamber to the atmosphere and permitting the free flow or gas or air therebetween.
- the present invention relates to a loading means effective in moving particulate combustible material such as sawdust into the primary combustion chamber of an incinerator without simultaneously permitting the free flow of air thereto.
- the present invention relates to a centrifugal loading means of the type defined that is easily constructed and readily added onto an incinerator housing to evenly control the supply of combustible particulate matter thereto in such a manner as to achieve effective elimination thereof.
- FIG. 1 is a perspective view of the loading means according to this invention as applied to a conventional incinerator hous- "'8,
- FIG. 2 is an enlarged cross section of the loading means on an incinerator housing
- F IG. 3 is an enlarged perspective view of the feeding disc
- FIG. 4 is a schematic view of the feeding pattern of paired feeders on opposite sides of the incinerator housing
- HG. 5 is a side elevation of a modified form of feeding arrangement.
- the numeral indicates the housing of an incinerator having a loading port 12 at one or both sides through which the incinerator may be charged with particulate combustible material such as sawdust.
- a spaced opening 15 at the upper end of the incinerator housing provides an outlet for smoke and other gaseous products produced within the incinerator when the trash therein is subjected to suitable elevated temperatures.
- a door 17 provides ready access to the chamber inside the housing 10 for ash removal or internal repair, while apertured air supply pipes 19 on opposite sides of the chamber provide a supply of oxygen required for the partial combustion of organic matter within the chamber 14.
- the inner side of the housing is coated with a temperature resistant coating 15 that insulates the high interior temperatures from the atmosphere.
- the loading port 12 comprises an opening on one or both sides of the incinerator housing 10 through which the particulate organic material to be burned may be fed to the fire being maintained at the bottom of the incinerator chamber 14.
- the feeder itself comprises a housing 22 at one or opposite sides of the incinerator housing adjacent port 12 which opens directly into the interior of the incinerator housing.
- the bottom of the feeder housing 22 is apertured to receive a central shaft 24 on the upper end of which a disc 26 is axially mounted for rotation about its essentially vertical axis.
- the shaft 24 is mounted in bearings 28 and is rotated about its axis by a motor 32 acting through a reducing gear arrangement 34. Sealing means 36 between the shaft 24 and the feeder housing 22 prevents the flow of ambient air from the atmosphere into the combustion chamber of the incinerator.
- the feeder disc 26 is comprised of a hard material having a high impact strength and a great resistance to abrasion whereby its continuous contact with moving particles of matter to be burned will not easily abrade it and thus require early replacement.
- a feeder disc comprised entirely of hardened stainless steel or the like is deemed suitable for most applications although this application is not to be limited to a disc of a particular material.
- the feeder disc 26 is provided with the cleaner vanes 27 which are formed integrally with its underside and rotate therewith as centrifugal slingers to throw out by centrifugal force any particulate matter from hopper 42 that may bypass the disc 26 and may otherwise become lodged between the disc 26 and the housing 22.
- the top side of the disc is formed with a plurality of radial slinger vanes 30 which when rotating serve to hit against the sawdust falling from above and fling it into the incinerator housing.
- the sawdust or the like is adapted to fall onto disc 26 at a point substantially midway between the center of the disc and its outer periphery whereby it is quickly contacted by the vanes 30 and exhausted through the opening 12 into the incinerator.
- the shaft 24 sometimes requires the cooling means shown in FIG. 2 as a tubular cover 33 that concentrically surrounds the shaft and serves as a duct for cooling air.
- a slinger 35 which rotates with the shaft 24 as a centrifugal blower moves the air axially along the shaft and exhausts it outwardly therefrom.
- a modified form of device would omit the sealing means 36 from its position surrounding shaft 24 to produce duct 37 through which air may be drawn readily by the rotating vanes 27 acting as the vanes of a centrifugal blower as shown in FIG. 5.
- the air provided may be sufficient for the controlled combustion of particulate matter within the chamber 14.
- control valve 39 in duct 41 may be regulated to provide a predetermined amount of air for the proper combustion rate within the incinerator. If all the air required for combustion is supplied through duct 41 the usual supply pipes 19 may be completely eliminated from the incinerator housing.
- the sawdust or other particulate matter to be burned is fed from a hopper 42 by a revolving star wheel 44 rotated slowly by a motor 45 down to an axially offset portion of the revolving disc 26.
- a revolving star wheel 44 rotated slowly by a motor 45 down to an axially offset portion of the revolving disc 26.
- Upon dropping upon the surface of the revolving disc it is caught by the vanes 30 and flung by centrifugal force through opening 33 into the combustion chamber where it is consumed according to a predetermined plan of combustion.
- a single feeder disc 26 would throw particulate matter into the combustion chamber with an uneven pattern of distribution that varies from a heavy loading on one side to light loading on the other.
- the feeding distribution pattern of the several feeders may be made to partially overlap so that the areas of light loading will receive material from both sides whereby the end result is a substantially even concentration of material over the entire combustion chamber in the manner shown by FIG. 4.
- An incinerator having a housing including a loading opening for the supply of particulate fuel thereto and an exhaust opening for the exhaust of gaseous products of combustion therefrom, loading means mounted adjacent the loading opening to feed the particulate fuel into the incinerator,
- An incinerator with a housing having a loading opening and an exhaust opening as defined in claim 1 including a passageway for air to the underside of said feeder disc whereby air for combustion is simultaneously supplied to the incinerator by rotation of the cleaning vanes on the feeder disc.
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
Feeding means for an incinerator that continuously injects particle sized combustible material into an incinerator without permitting the uncontrolled flow of air from the ambient atmosphere into the incinerator or the reverse flow of gas and smoke therefrom.
Description
United States Patent [72] Inventor Richard F. Stockman Friendship, N.Y.
[211 App]. No. 867,763
[22] Filed Oct. 3, 1969 Oct. 5, 1971 The Air Preheater Company, Inc. Wellsville, N.Y.
[45] Patented [73] Assignee [54] SAWDUST FEEDER FOR INCINERATOR 2 Claims, 5 Drawing Figs.
[52] U.S.Cl
[51] 1nt.Cl F23k3/18 FieldofSearch /102, 115,7A;43l/168,175
[56] References Cited UNITED STATES PATENTS 2,110,452 3/1938 Moyer 110/115 X 2,134,887 11/1938 Panke 110/115X 2,191,712 2/1940 Greenawart.. 110/7 2,220,387 11/1940 Baker 437/ X Primary Examiner-Edward G. Favors Attorneys-Wayne H. Lang and Eldon H. Luther ABSTRACT: Feeding means for an incinerator that continuously injects particle sized combustible material into an incinerator without permitting the uncontrolled flow of air from the ambient atmosphere into the incinerator or the reverse flow of gas and smoke therefrom.
WW mu SAWDUST FEEDER FOR INCINERATOR BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a feeding means for an incinerator whereby particle sized refuse such as sawdust may be moved from a hopper or the like outside the incinerator to a combustion chamber inside the incinerator without directly opening the incinerator chamber to the atmosphere and permitting the free flow or gas or air therebetween.
2. Description of Prior Art In many modern incineration operations such as indicated by US. Pat. No. 3,355,254 and No. 3,403,645 fuel is supplied to a primary incineration chamber where it is first heated to distill a combustible gas which is subsequently burned in an afterbumer or secondary combustion chamber. When a loading door is opened to place a charge of fuel into the incinerator, a surge of air also enters through the door to temporarily provide an excess of oxygen for combustion in the primary chamber resulting in the production of insufficient combustible gas for combustion in a subsequent or secondary combustion chamber.
SUMMARY OF THE INVENTION The present invention relates to a loading means effective in moving particulate combustible material such as sawdust into the primary combustion chamber of an incinerator without simultaneously permitting the free flow of air thereto.
More particularly the present invention relates to a centrifugal loading means of the type defined that is easily constructed and readily added onto an incinerator housing to evenly control the supply of combustible particulate matter thereto in such a manner as to achieve effective elimination thereof.
A more complete understanding of my invention may be realized by referring to the following description which may be viewed in conjunction with the accompanying drawings in which:
FIG. 1 is a perspective view of the loading means according to this invention as applied to a conventional incinerator hous- "'8,
FIG. 2 is an enlarged cross section of the loading means on an incinerator housing,
F IG. 3 is an enlarged perspective view of the feeding disc,
FIG. 4 is a schematic view of the feeding pattern of paired feeders on opposite sides of the incinerator housing, and
HG. 5 is a side elevation of a modified form of feeding arrangement.
In the drawings the numeral indicates the housing of an incinerator having a loading port 12 at one or both sides through which the incinerator may be charged with particulate combustible material such as sawdust. A spaced opening 15 at the upper end of the incinerator housing provides an outlet for smoke and other gaseous products produced within the incinerator when the trash therein is subjected to suitable elevated temperatures. A door 17 provides ready access to the chamber inside the housing 10 for ash removal or internal repair, while apertured air supply pipes 19 on opposite sides of the chamber provide a supply of oxygen required for the partial combustion of organic matter within the chamber 14. The inner side of the housing is coated with a temperature resistant coating 15 that insulates the high interior temperatures from the atmosphere.
The loading port 12 comprises an opening on one or both sides of the incinerator housing 10 through which the particulate organic material to be burned may be fed to the fire being maintained at the bottom of the incinerator chamber 14.
The feeder itself comprises a housing 22 at one or opposite sides of the incinerator housing adjacent port 12 which opens directly into the interior of the incinerator housing. The bottom of the feeder housing 22 is apertured to receive a central shaft 24 on the upper end of which a disc 26 is axially mounted for rotation about its essentially vertical axis. The shaft 24 is mounted in bearings 28 and is rotated about its axis by a motor 32 acting through a reducing gear arrangement 34. Sealing means 36 between the shaft 24 and the feeder housing 22 prevents the flow of ambient air from the atmosphere into the combustion chamber of the incinerator.
The feeder disc 26 is comprised of a hard material having a high impact strength and a great resistance to abrasion whereby its continuous contact with moving particles of matter to be burned will not easily abrade it and thus require early replacement. Thus a feeder disc comprised entirely of hardened stainless steel or the like is deemed suitable for most applications although this application is not to be limited to a disc of a particular material.
The feeder disc 26 is provided with the cleaner vanes 27 which are formed integrally with its underside and rotate therewith as centrifugal slingers to throw out by centrifugal force any particulate matter from hopper 42 that may bypass the disc 26 and may otherwise become lodged between the disc 26 and the housing 22.
The top side of the disc is formed with a plurality of radial slinger vanes 30 which when rotating serve to hit against the sawdust falling from above and fling it into the incinerator housing. The sawdust or the like is adapted to fall onto disc 26 at a point substantially midway between the center of the disc and its outer periphery whereby it is quickly contacted by the vanes 30 and exhausted through the opening 12 into the incinerator.
The shaft 24 sometimes requires the cooling means shown in FIG. 2 as a tubular cover 33 that concentrically surrounds the shaft and serves as a duct for cooling air. A slinger 35 which rotates with the shaft 24 as a centrifugal blower moves the air axially along the shaft and exhausts it outwardly therefrom.
A modified form of device would omit the sealing means 36 from its position surrounding shaft 24 to produce duct 37 through which air may be drawn readily by the rotating vanes 27 acting as the vanes of a centrifugal blower as shown in FIG. 5. The air provided may be sufficient for the controlled combustion of particulate matter within the chamber 14. Thus control valve 39 in duct 41 may be regulated to provide a predetermined amount of air for the proper combustion rate within the incinerator. If all the air required for combustion is supplied through duct 41 the usual supply pipes 19 may be completely eliminated from the incinerator housing.
The sawdust or other particulate matter to be burned is fed from a hopper 42 by a revolving star wheel 44 rotated slowly by a motor 45 down to an axially offset portion of the revolving disc 26. Upon dropping upon the surface of the revolving disc it is caught by the vanes 30 and flung by centrifugal force through opening 33 into the combustion chamber where it is consumed according to a predetermined plan of combustion.
A single feeder disc 26 would throw particulate matter into the combustion chamber with an uneven pattern of distribution that varies from a heavy loading on one side to light loading on the other. By arranging similar feeders on opposite sides of the incinerator housing, the feeding distribution pattern of the several feeders may be made to partially overlap so that the areas of light loading will receive material from both sides whereby the end result is a substantially even concentration of material over the entire combustion chamber in the manner shown by FIG. 4.
While this invention has been described with reference to the embodiment shown in the drawing it is apparent that various changes may be made without departing from the spirit of the invention. It is therefore intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
I claim:
1. An incinerator having a housing including a loading opening for the supply of particulate fuel thereto and an exhaust opening for the exhaust of gaseous products of combustion therefrom, loading means mounted adjacent the loading opening to feed the particulate fuel into the incinerator,
matter that escapes contact with the slinger vanes on the upper surface of the feeder disc.
2. An incinerator with a housing having a loading opening and an exhaust opening as defined in claim 1 including a passageway for air to the underside of said feeder disc whereby air for combustion is simultaneously supplied to the incinerator by rotation of the cleaning vanes on the feeder disc.
Claims (2)
1. An incinerator having a housing including a loading opening for the supply of particulate fuel thereto and an exhaust opening for the exhaust of gaseous products of combustion therefrom, loading means mounted adjacent the loading opening to feed the particulate fuel into the incinerator, said loading means comprising a hopper arranged to receive a mass of particulate matter for combustion, a feeder housing subjacent thereto and outboard from the loading opening, a feeder disc in said feeder housing having slinger vanes on the upper surface thereof for advancing the particulate fuel from the feeder disc through the loading opening of the incinerator, means for rotating the feeder disc about its axis to impart centrifugal force to the particulate fuel being supplied thereto, and cleaning means on the underside of said feeder disc adapted to void the space adjacent thereto of particulate matter that escapes contact with the slinger vanes on the upper surface of the feeder disc.
2. An incinerator with a housing having a loading opening and an exhaust opening as defined in claim 1 including a passageway for air to the underside of said feeder disc whereby air for combustion is simultaneously supplied to the incinerator by rotation of the cleaning vanes on the feeder disc.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86776369A | 1969-10-03 | 1969-10-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3610182A true US3610182A (en) | 1971-10-05 |
Family
ID=25350424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US867763A Expired - Lifetime US3610182A (en) | 1969-10-03 | 1969-10-03 | Sawdust feeder for incinerator |
Country Status (4)
Country | Link |
---|---|
US (1) | US3610182A (en) |
ES (1) | ES384150A1 (en) |
FR (1) | FR2064953A5 (en) |
GB (1) | GB1295368A (en) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3877398A (en) * | 1974-03-01 | 1975-04-15 | Ataka Construction Co Ltd | Incinerator feeding system |
US4102278A (en) * | 1977-05-11 | 1978-07-25 | Wyatt Engineers, Inc. | Furnace hogged fuel disperser using modulated airflow |
US4242972A (en) * | 1978-12-22 | 1981-01-06 | Guy Sicard | Combustion system with partial recirculation of exhaust gases and feed mechanism therefor |
US4311102A (en) * | 1979-11-28 | 1982-01-19 | Kolze Melvin W | Burning system |
WO1986000375A1 (en) * | 1984-06-29 | 1986-01-16 | Power Generating, Inc. | Process for power generation from pressurized combustion of particulate combustible materials |
US4671192A (en) * | 1984-06-29 | 1987-06-09 | Power Generating, Inc. | Pressurized cyclonic combustion method and burner for particulate solid fuels |
US4832554A (en) * | 1986-02-03 | 1989-05-23 | Morse Boulger, Inc. | Apparatus for charging combustible materials |
US5239935A (en) * | 1991-11-19 | 1993-08-31 | Detroit Stoker Company | Oscillating damper and air-swept distributor |
US5357877A (en) * | 1993-03-16 | 1994-10-25 | Nuesmeyer David L | Feed for particulate burners |
US5388537A (en) * | 1994-08-02 | 1995-02-14 | Southern California Edison Company | System for burning refuse-derived fuel |
US5927215A (en) * | 1996-02-16 | 1999-07-27 | Yaichiro Moriguchi | Preheater and incineration system having the preheater |
WO2002046673A2 (en) * | 2000-12-06 | 2002-06-13 | Outokumpu Oyj | Method for introducing a granular ore into a roasting kiln |
US7318431B1 (en) * | 2004-02-03 | 2008-01-15 | Bixby Energy Systems, Inc. | Biomass fuel burning stove and method |
WO2009103654A2 (en) * | 2008-02-18 | 2009-08-27 | Siemens Ag Österreich | Thrower wheel of a mechanical stoker |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2110452A (en) * | 1936-05-19 | 1938-03-08 | Riley Stoker Corp | Furnace |
US2134887A (en) * | 1935-06-03 | 1938-11-01 | William F Panke | Apparatus for feeding and burning fuel |
US2191712A (en) * | 1938-02-26 | 1940-02-27 | John E Greenawalt | Furnace for burning fuel consisting of combustible and incombustible materials |
US2220387A (en) * | 1937-01-06 | 1940-11-05 | Gasoline Prod Co Inc | Method and apparatus for firing furnaces |
-
1969
- 1969-10-03 US US867763A patent/US3610182A/en not_active Expired - Lifetime
-
1970
- 1970-09-28 GB GB1295368D patent/GB1295368A/en not_active Expired
- 1970-09-30 ES ES384150A patent/ES384150A1/en not_active Expired
- 1970-10-02 FR FR7035723A patent/FR2064953A5/fr not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2134887A (en) * | 1935-06-03 | 1938-11-01 | William F Panke | Apparatus for feeding and burning fuel |
US2110452A (en) * | 1936-05-19 | 1938-03-08 | Riley Stoker Corp | Furnace |
US2220387A (en) * | 1937-01-06 | 1940-11-05 | Gasoline Prod Co Inc | Method and apparatus for firing furnaces |
US2191712A (en) * | 1938-02-26 | 1940-02-27 | John E Greenawalt | Furnace for burning fuel consisting of combustible and incombustible materials |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3877398A (en) * | 1974-03-01 | 1975-04-15 | Ataka Construction Co Ltd | Incinerator feeding system |
US4102278A (en) * | 1977-05-11 | 1978-07-25 | Wyatt Engineers, Inc. | Furnace hogged fuel disperser using modulated airflow |
US4242972A (en) * | 1978-12-22 | 1981-01-06 | Guy Sicard | Combustion system with partial recirculation of exhaust gases and feed mechanism therefor |
US4311102A (en) * | 1979-11-28 | 1982-01-19 | Kolze Melvin W | Burning system |
WO1986000375A1 (en) * | 1984-06-29 | 1986-01-16 | Power Generating, Inc. | Process for power generation from pressurized combustion of particulate combustible materials |
US4671192A (en) * | 1984-06-29 | 1987-06-09 | Power Generating, Inc. | Pressurized cyclonic combustion method and burner for particulate solid fuels |
US4832554A (en) * | 1986-02-03 | 1989-05-23 | Morse Boulger, Inc. | Apparatus for charging combustible materials |
US5239935A (en) * | 1991-11-19 | 1993-08-31 | Detroit Stoker Company | Oscillating damper and air-swept distributor |
US5357877A (en) * | 1993-03-16 | 1994-10-25 | Nuesmeyer David L | Feed for particulate burners |
US5388537A (en) * | 1994-08-02 | 1995-02-14 | Southern California Edison Company | System for burning refuse-derived fuel |
US5927215A (en) * | 1996-02-16 | 1999-07-27 | Yaichiro Moriguchi | Preheater and incineration system having the preheater |
WO2002046673A2 (en) * | 2000-12-06 | 2002-06-13 | Outokumpu Oyj | Method for introducing a granular ore into a roasting kiln |
WO2002046673A3 (en) * | 2000-12-06 | 2002-10-03 | Outokumpu Oy | Method for introducing a granular ore into a roasting kiln |
US20040060392A1 (en) * | 2000-12-06 | 2004-04-01 | Michael Stroder | Method for introducing a granular ore into a roasting kiln |
US6916357B2 (en) | 2000-12-06 | 2005-07-12 | Stroeder Michael | Method for introducing a granular ore into a roasting kiln |
AU2002234529B2 (en) * | 2000-12-06 | 2006-05-25 | Outotec Oyj | Method for introducing a granular ore into a roasting kiln |
CN100396580C (en) * | 2000-12-06 | 2008-06-25 | 奥图泰有限公司 | Method for introducing granular ore into roasting kiln |
CN101158550B (en) * | 2000-12-06 | 2010-08-18 | 奥图泰有限公司 | Kiln furnace for roasting particle ore |
US7318431B1 (en) * | 2004-02-03 | 2008-01-15 | Bixby Energy Systems, Inc. | Biomass fuel burning stove and method |
WO2009103654A2 (en) * | 2008-02-18 | 2009-08-27 | Siemens Ag Österreich | Thrower wheel of a mechanical stoker |
WO2009103654A3 (en) * | 2008-02-18 | 2010-01-28 | Siemens Ag Österreich | Thrower wheel of a mechanical stoker |
US20100319591A1 (en) * | 2008-02-18 | 2010-12-23 | Wolfgang Madlsperger | Thrower wheel of a mechanical stoker |
Also Published As
Publication number | Publication date |
---|---|
ES384150A1 (en) | 1972-12-16 |
FR2064953A5 (en) | 1971-07-23 |
GB1295368A (en) | 1972-11-08 |
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