Aspects of the present invention provide biomass combustion stove with an exhaust gas mixer. The exhaust gas mixer is positioned in the exhaust gas outlet of the stove. That is the exhaust gas mixer is positioned within the path of exhaust gases exiting the stove housing at the point where the exhaust gases exit the housing, above a baffle of the stove. The exhaust gas mixer may be a cone, a pair of opposing cones, a sphere, turbine, propeller, partial helical, or fan configured to promote mixing and/or turbulence of the exhaust gases as they exit the housing. In one embodiment, the stove provides some room air to the exhaust gas outlet and flue above the baffle to cool the exhaust gases as they exit the housing via the exhaust gas outlet of the stove.
F24B 5/02 - Circulation de l'air de combustion ou des gaz de combustion à l'intérieur ou autour des poêles ou des fourneaux à l'intérieur ou autour des poêles
2.
BIOMASS SECONDARY COMBUSTION STOVE WITH EXHAUST MIXER
Aspects of the present invention provide biomass combustion stove with an exhaust gas mixer. The exhaust gas mixer is positioned in the exhaust gas outlet of the stove. That is the exhaust gas mixer is positioned within the path of exhaust gases exiting the stove housing at the point where the exhaust gases exit the housing, above a baffle of the stove. The exhaust gas mixer may be a cone, a pair of opposing cones, a sphere, turbine, propeller, partial helical, or fan configured to promote mixing and/or turbulence of the exhaust gases as they exit the housing. In one embodiment, the stove provides some room air to the exhaust gas outlet and flue above the baffle to cool the exhaust gases as they exit the housing via the exhaust gas outlet of the stove.
F24B 5/02 - Circulation de l'air de combustion ou des gaz de combustion à l'intérieur ou autour des poêles ou des fourneaux à l'intérieur ou autour des poêles
A smokeless firepit including a first bottom, a second bottom located above the first bottom, an inner wall extending upwardly from the second bottom, an outer wall extending upwardly from the first bottom, and a top plate connecting the inner and outer walls. The second bottom intakes primary combustion air and secondary combustion air. The secondary combustion air is configured to be received at a bottom of the outer wall, pass upward between the inner wall and the outer wall, and enter the burn chamber at a top of the inner wall underneath the top plate when the firepit is in the upright position and burning fuel.
F24B 5/02 - Circulation de l'air de combustion ou des gaz de combustion à l'intérieur ou autour des poêles ou des fourneaux à l'intérieur ou autour des poêles
Electric stoves; Fireplace inserts in the nature of stoves; Gas stoves; Portable fire pits; Slow-burning stoves; Solid fuel burning stoves; Wood burning stoves
6.
SINGLE BURN RATE POT STOVE WITH SECONDARY COMBUSTION
A single burn rate stove including a burn chamber configured to burn biomass therein and a door configured to receive primary combustion air and provide the received primary combustion air to the burn chamber. The door is at a front of the stove. The stove further includes a bottom configured to receive secondary combustion air, a plurality of secondary air tubes extending across a top of the burn chamber, and a secondary air manifold configured to conduct the secondary combustion air from the bottom to the plurality of secondary air tubes.
F24B 5/02 - Circulation de l'air de combustion ou des gaz de combustion à l'intérieur ou autour des poêles ou des fourneaux à l'intérieur ou autour des poêles
7.
BIOMASS STOVE WITH WARMED SECONDARY COMBUSTION AIR
A biomass furnace including a housing, a burn chamber configured to hold a biomass fuel, a fuel loading door to open and close a fuel loading opening, and a secondary air system that includes a main tube and a plurality of branch tubes oriented transverse to the main tube. The main tube includes a front opening, a main tube interior in gaseous communication with the front opening, and at least one aperture in gaseous communication with the front opening and configured to direct secondary air downwardly. Some or all of the branch tubes include at least one aperture in gaseous communication with the front opening of the main tube and which is configured to direct secondary air downwardly.
F24B 5/02 - Circulation de l'air de combustion ou des gaz de combustion à l'intérieur ou autour des poêles ou des fourneaux à l'intérieur ou autour des poêles
F23L 9/02 - Passages ou ouvertures pour introduire l'air secondaire nécessaire à la combustion complète du combustible l'air étant introduit au-dessus du foyer
04 - Huiles et graisses industrielles; lubrifiants; combustibles
11 - Appareils de contrôle de l'environnement
Produits et services
Wood pellet fuel; Wood logs for fuel Electric stoves; Fireplace inserts in the nature of stoves; Gas stoves; Slow-burning stoves; Solid fuel burning stoves; Wood burning stoves; Portable Fire pits
A griddle is configured to drop in place of (or on top of) a normal cooking grate of a pellet grill while maximizing heat capture and maintaining proper exhaust flow. In this way, aspects of the invention ensure stable operating temperatures and/or even cooking of food while imparting smoke flavors from burning wood pellets into the food. The griddle includes a cooking surface upon which to cook the food and a smoke trap to allow airflow through the griddle while directing smoke and exhaust gases either toward the food or away from the food, depending upon the orientation of the griddle in the housing relative to an exhaust path of the housing.
A solid fuel burning cabinet circular heating appliance achieves improved emissions performance by providing a secondary air combustion path that preheats secondary combustion air. The firebox is selectively insulated such that areas of the firebox that do not preheat combustion air retain heat in the firebox while areas of the firebox that transfer heat into the combustion air transfer heat through the firebox into the incoming combustion air. The exhaust air path from the firebox to a chimney is also uninsulated to allow relatively quick heat transfer into a room in which the appliance is installed.
F24B 7/02 - Poêles, fourneaux ou conduits pour gaz de combustion comportant des moyens supplémentaires pour le chauffage par convection avec conduits d'air externes
F24B 5/02 - Circulation de l'air de combustion ou des gaz de combustion à l'intérieur ou autour des poêles ou des fourneaux à l'intérieur ou autour des poêles
F24B 13/00 - Parties constitutives propres uniquement aux poêles ou fourneaux brûlant des combustibles solides
A fuel (e.g., fluid fuel such as propane or natural gas) fired portable forced air heater has a non-linear air flow and an enclosed combustion chamber. Air intake is longitudinal, and heated air output is axial (i.e., perpendicular to the longitudinal axis). Aspects of the invention eliminate an exposed open flame in forced air fluid fuel fired space heaters. Feet and handles of the heater housing are shaped so as to provide appropriate safety clearances for the heater, and the air flow path of the heater keeps a housing of the heater near room temperature.
F24H 3/04 - Appareils de chauffage d'air à circulation forcée l'air étant en contact direct avec l'agent chauffant, p. ex. élément chauffant électrique
Ash vacuums, namely cordless vacuum cleaners for fire ash Tool kits, namely, fireplace pokers, shovels, and brushes sold as a unit Camp stoves, namely, portable folding charcoal, propane and gas fired barbecues, stoves and grills for camping; heat reclaimers; electric food steamers; electric kettles; barometric fireplace and chimney dampers; circulators in the nature of water heaters fire bricks Log racks in the nature of storage racks for holding firewood and logs
wood burning stoves; natural gas stoves; propane stoves, pellet stoves; space-heaters for household use in the nature of coal burning stoves, natural gas heaters, propane heaters, and electric heaters wood burning circulators in the nature of water heaters; coal burning circulators in the nature of water heaters
A biomass pellet combustion system includes a primary burn chamber, a coal burn chamber, and a gas burn chamber. The primary burn chamber is configured to receive pellets from a drop tube of the biomass pellet combustion system. The coal burn chamber is configured to receive coals from the primary burn chamber. The gas burn chamber is configured to receive combustible gases from both the primary burn chamber and the coal burn chamber, wherein a secondary combustion process converts secondary combustion air and the combustible gases into exhaust gases in the gas burn chamber.
F23B 50/12 - Appareils à combustion dans lesquels le combustible est introduit dans ou à travers la zone de combustion par gravité, p. ex. depuis un stockage de combustible situé au dessus de la zone de combustion le combustible arrivant à la zone de combustion en tombant ou en glissant sur des surfaces inclinées, p. ex. à partir d'un transporteur se terminant au dessus du lit de combustible
F23B 80/04 - Appareils à combustion caractérisés par des moyens pour créer un trajet d'écoulement distinct pour les gaz brûlés ou pour les gaz imbrûlés dégagés par le combustible par des moyens pour guider la circulation des gaz brûlés, p. ex. des chicanes
F24B 13/04 - Disposition pour l'alimentation en combustible solide, p. ex. trémies
F24B 5/02 - Circulation de l'air de combustion ou des gaz de combustion à l'intérieur ou autour des poêles ou des fourneaux à l'intérieur ou autour des poêles
F24B 1/18 - Poêles à foyers ouverts, p. ex. cheminées à foyers ouverts
A biomass pellet combustion system 100 includes a primary burn chamber 102, a coal burn chamber 104, and a gas burn chamber 106. The primary burn chamber 102 is configured to receive pellets from a drop tube 122 of the biomass pellet combustion system 100. The coal burn chamber 104 is configured to receive coals from the primary burn chamber 102. The gas burn chamber 104 is configured to receive combustible gases from both the primary burn chamber 102 and the coal burn chamber 104, wherein a secondary combustion process converts secondary combustion air and the combustible gases into exhaust gases in the gas burn chamber 106.
F23B 40/02 - Appareils à combustion comportant des moyens entraînés pour alimenter en combustible la chambre de combustion le combustible étant amené et dispersé sur la surface supportant le combustible
F23B 80/04 - Appareils à combustion caractérisés par des moyens pour créer un trajet d'écoulement distinct pour les gaz brûlés ou pour les gaz imbrûlés dégagés par le combustible par des moyens pour guider la circulation des gaz brûlés, p. ex. des chicanes
F24B 1/18 - Poêles à foyers ouverts, p. ex. cheminées à foyers ouverts
F24B 13/04 - Disposition pour l'alimentation en combustible solide, p. ex. trémies
A grill includes a cooking surface. The cooking surface includes at least one grate. The grate has internal heating elements operable to raise the temperature of the great above the temperature achievable via a heat source of the grill. The grate may be referred to as a searing station. In one embodiment, the grill is a wood pellet grill, the heat source is burning wood pellets in a burnpot of the grill, and the heating elements are resistive heating elements fully contained within slats of the grate. A searing station is especially suited for wood pellet grills which operate at lower temperatures than conventional gas or charcoal grills because it combines the slow cooking characteristics of a pellet grill with the quick searing capabilities of an infrared gas grill. The searing station may, however, be used in any type of grill.
Portable electric and non-electric space heating appliances, namely, gas and oil based space heaters in the nature of gas stoves and oil stoves; gas and kerosene powered hot-air space heating apparatus; gas and kerosene powered hot air blowers; gas and oil radiant heaters
Portable non-electric space heating appliances, namely, gas based space heaters in the nature of gas stoves; gas and kerosene powered hot-air space heating apparatus; gas and kerosene powered hot air blowers; gas radiant heaters; gas patio heaters
25.
Plate steel single burn rate wood heater with improved emissions
A single burn rate woodstove provides primary combustion air and secondary combustion air to a combustion chamber of the woodstove. The woodstove includes a primary air inlet, a primary air outlet into the combustion chamber, and a secondary air outlet into the combustion chamber. Some embodiments of the inventions include secondary air inlet(s) for the secondary combustion air separate from the primary air inlet. Some embodiments of the invention include the same firebox sizes as known in the prior art while providing such inexpensive single burn rate woodstoves with improved emissions performance by using both primary and secondary combustion air.
F24B 5/02 - Circulation de l'air de combustion ou des gaz de combustion à l'intérieur ou autour des poêles ou des fourneaux à l'intérieur ou autour des poêles
F24B 7/02 - Poêles, fourneaux ou conduits pour gaz de combustion comportant des moyens supplémentaires pour le chauffage par convection avec conduits d'air externes
Wood stoves, furnaces and boilers; coal stoves and furnaces; gas fireplaces; [gas water heaters;] gas stoves, namely, space-heaters for household use; solid fuel burning stoves, namely, pellet stoves; biomass stoves, namely, solid fuel burning stoves and furnaces; [heating systems for residential and commercial buildings comprised of biomass burners]
A wood pellet stove operable to mount to a wall includes a combustion chamber, a combustion chamber door, and a hopper. The combustion chamber has a front, back, and side. The combustion chamber door is in the front of the combustion chamber. The hopper is mounted at the side of the combustion chamber. The bottom of the hopper is below a top of the combustion chamber, and a top of the hopper is substantially coplanar with the top of the combustion chamber. The stove may also include a sight glass or fuel level monitoring system for determining a fuel level of the hopper without opening the hopper.
F23N 1/00 - Régulation de l'alimentation en combustible
F23G 7/10 - Procédés ou appareils, p. ex. incinérateurs, spécialement adaptés à la combustion de déchets particuliers ou de combustibles pauvres, p. ex. des produits chimiques de détritus provenant des champs ou des jardins
F23B 50/12 - Appareils à combustion dans lesquels le combustible est introduit dans ou à travers la zone de combustion par gravité, p. ex. depuis un stockage de combustible situé au dessus de la zone de combustion le combustible arrivant à la zone de combustion en tombant ou en glissant sur des surfaces inclinées, p. ex. à partir d'un transporteur se terminant au dessus du lit de combustible
F23L 17/00 - Génération du tirageMitrons de cheminées ou de conduits d'alimentation en airDébouchés de conduits de cheminées
A wood pellet stove (100) operable to mount to a wall includes a combustion chamber (104), a combustion chamber door (408), and a hopper (106). The combustion chamber (104) has a front, back, and side. The combustion chamber door (408) is in the front of the combustion chamber (104). The hopper (106) is mounted at the side of the combustion chamber (104). The bottom of the hopper (106) is below a top of the combustion chamber (104), and a top of the hopper (106) is substantially coplanar with the top of the combustion chamber (104). The stove (100) may also include a sight glass or fuel level monitoring system for determining a fuel level of the hopper (106) without opening the hopper (106).
The present disclosure provides woodstoves that, optionally, produce low emissions. In certain embodiments, the woodstove includes a housing, a firebox disposed in the housing, an air regulator and a secondary air pipe. The air regulator includes a primary air aperture configured to supply primary air to a fire located in the firebox, a plurality of secondary air apertures configured to supply secondary air to a combustible gas emitted by the fire, and a secondary air damper. The present disclosure also provides methods of operating such a woodstove. As measured according to Method 28 of the U.S. Environmental Protection Agency, the weighted average emission rate of the woodstove of certain embodiments of the invention is no greater than about 4.5 grams of particulate emissions per hour.
F24C 1/00 - Poêles ou fourneaux dans lesquels le combustible ou la source d'énergie n'est pas exclusivement un combustible solide ou d'un type couvert par un seul des groupes Poêles ou fourneaux dans lesquels le type de combustible ou d'énergie utilisé n'est pas spécifié
The invention relates to heating units mounted on a window of an existing building. Flue gases are expelled outside of the building without the need for wall modifications or an extra chimney. The actual burn chamber is mounted on a window mounting unit with an interior support which extends into the building thereby heating the air inside the building.
A pellet stove utilizing gravity feed and natural draft more effectively and efficiently burns pellet fuel while producing less air pollution and ash. In one embodiment, the pellet stove has a primary combustion area comprising a burn unit removably disposed in the vent tube, a feed tube defining a fuel chamber above the burn unit and a secondary combustion area, comprising a burn box defining a secondary burn chamber, below the burn unit. The burn unit has a removable receptacle which defines a primary burn chamber that receives pellet fuel from the fuel chamber and discharges substantially burned fuel to the secondary burn chamber for additional burning. Openings in the burn box, pellet receptacle and vent tube draw air into the burn chambers. A control mechanism controls the air flow to regulate the heat generated by the pellet stove. The pellet stove can be manufactured in various aesthetically pleasing designs.
F23B 50/10 - Appareils à combustion dans lesquels le combustible est introduit dans ou à travers la zone de combustion par gravité, p. ex. depuis un stockage de combustible situé au dessus de la zone de combustion le combustible formant une colonne, une pile ou une couche épaisse avec la zone de combustion à sa base la zone de combustion étant située au fond de conduits remplis de combustible se terminant à la surface du lit de combustible
F23B 10/00 - Appareils à combustion caractérisés par la combinaison d'au moins deux chambres de combustion
F23B 50/00 - Appareils à combustion dans lesquels le combustible est introduit dans ou à travers la zone de combustion par gravité, p. ex. depuis un stockage de combustible situé au dessus de la zone de combustion
F23B 50/12 - Appareils à combustion dans lesquels le combustible est introduit dans ou à travers la zone de combustion par gravité, p. ex. depuis un stockage de combustible situé au dessus de la zone de combustion le combustible arrivant à la zone de combustion en tombant ou en glissant sur des surfaces inclinées, p. ex. à partir d'un transporteur se terminant au dessus du lit de combustible
A biomass pellet combustion system 100 includes a primary burn chamber 102, a coal burn chamber 104, and a gas burn chamber 106. The primary burn chamber 102 is configured to receive pellets from a drop tube 122 of the biomass pellet combustion system 100. The coal burn chamber 104 is configured to receive coals from the primary burn chamber 102. The gas burn chamber 104 is configured to receive combustible gases from both the primary burn chamber 102 and the coal burn chamber 104, wherein a secondary combustion process converts secondary combustion air and the combustible gases into exhaust gases in the gas burn chamber 106.
F23B 40/02 - Appareils à combustion comportant des moyens entraînés pour alimenter en combustible la chambre de combustion le combustible étant amené et dispersé sur la surface supportant le combustible
F23B 80/04 - Appareils à combustion caractérisés par des moyens pour créer un trajet d'écoulement distinct pour les gaz brûlés ou pour les gaz imbrûlés dégagés par le combustible par des moyens pour guider la circulation des gaz brûlés, p. ex. des chicanes
F24B 1/18 - Poêles à foyers ouverts, p. ex. cheminées à foyers ouverts
F24B 13/04 - Disposition pour l'alimentation en combustible solide, p. ex. trémies
54.
CABINET CIRCULATOR SOLID FUEL HEATER COMBUSTION SYSTEM
A solid fuel burning cabinet circular heating appliance achieves improved emissions performance by providing a secondary air combustion path that preheats secondary combustion air. The firebox is selectively insulated such that areas of the firebox that do not preheat combustion air retain heat in the firebox while areas of the firebox that transfer heat into the combustion air transfer heat through the firebox into the incoming combustion air. The exhaust air path from the firebox to a chimney is also uninsulated to allow relatively quick heat transfer into a room in which the appliance is installed
F24B 5/02 - Circulation de l'air de combustion ou des gaz de combustion à l'intérieur ou autour des poêles ou des fourneaux à l'intérieur ou autour des poêles
55.
BIOMASS STOVE WITH WARMED SECONDARY COMBUSTION AIR
A biomass furnace including a housing, a burn chamber configured to hold a biomass fuel, a fuel loading door to open and close a fuel loading opening, and a secondary air system that includes a main tube and a plurality of branch tubes oriented transverse to the main tube. The main tube includes a front opening, a main tube interior in gaseous communication with the front opening, and at least one aperture in gaseous communication with the front opening and configured to direct secondary air downwardly. Some or all of the branch tubes include at least one aperture in gaseous communication with the front opening of the main tube and which is configured to direct secondary air downwardly.
A single burn rate stove including a burn chamber configured to burn biomass therein and a door configured to receive primary combustion air and provide the received primary combustion air to the burn chamber. The door is at a front of the stove. The stove further includes a bottom configured to receive secondary combustion air, a plurality of secondary air tubes extending across a top of the burn chamber, and a secondary air manifold configured to conduct the secondary combustion air from the bottom to the plurality of secondary air tubes.
F24B 1/08 - Poêles clos à réserve de combustible dans une seule trémie indivise à l'intérieur du poêle ou du fourneau
F24B 1/26 - Poêles comportant des moyens supplémentaires pour la cuisson
F24B 5/02 - Circulation de l'air de combustion ou des gaz de combustion à l'intérieur ou autour des poêles ou des fourneaux à l'intérieur ou autour des poêles
F24B 7/04 - Poêles, fourneaux ou conduits pour gaz de combustion comportant des moyens supplémentaires pour le chauffage par convection avec conduits d'air internes
A griddle is configured to drop in place of (or on top of) a normal cooking grate of a pellet grill while maximizing heat capture and maintaining proper exhaust flow. In this way, aspects of the invention ensure stable operating temperatures and/or even cooking of food while imparting smoke flavors from burning wood pellets into the food. The griddle includes a cooking surface upon which to cook the food and a smoke trap to allow airflow through the griddle while directing smoke and exhaust gases either toward the food or away from the food, depending upon the orientation of the griddle in the housing relative to an exhaust path of the housing.
A wood pellet stove 100 operable to mount to a wall includes a combustion chamber 104, a combustion chamber door 408, and a hopper 106. The combustion chamber 104 has a front, back, and side. The combustion chamber door 408 is in
the front of the combustion chamber 104. The hopper 106 is mounted at the side of the combustion chamber 104. The bottom of the hopper 106 is below a top of the
combustion chamber 104, and a top of the hopper 106 is substantially coplanar with the top of the combustion chamber 104. The stove 100 may also include a sight glass or fuel level monitoring system for determining a fuel level of the hopper 106 without opening the hopper 106.
