Class / Patent application number | Description | Number of patent applications / Date published |
126058000 | Heating | 77 |
20080245352 | THERMO-ELECTRIC GENERATOR FOR USE WITH A STOVE - Disclosed is in combination, a stove and a thermoelectric generator, wherein the stove has a heating chamber and the generator has a hot side plate positioned in use within the heating chamber in a direct path of the heat therefrom. The generator may be incorporated with a door of the stove. Preferably, the generator has a cold side plate positioned in use to be exposed to ambient air close to the ground. The cold side plate may comprise cooling fins and the cooling fins may be positioned to be exposed to ambient air close to the ground. The generator may further comprise a protective mechanism to protect the generator from overheating, such as a grillwork guard or a shutter that closes to block the direct heat from the generator mechanism. The stove may be a wood stove or a coal stove. Generated power can be used to power cooling fans, charge an energy storage device and/or power external devices such as lights, fans or radios for example. | 10-09-2008 |
20090139510 | BIOFUEL APPLIANCE VENTING SYSTEM - A venting system for a biomass burning appliance. The system includes at least one pipe element formed of a steel alloy comprising: a maximum of 0.025 weight percent of Carbon, a maximum of 1.0 weight percent of Manganese; a maximum of 0.030 weight percent of Sulfur; a maximum of 0.1.00 weight percent of Silicon; a maximum of 0.035 weight percent of Nitrogen; a range of 17.50-19.50 weight percent of Chromium; a maximum of 1.00 weight percent of Nickel; a range of 1.75-2.5 weight percent of Molybdenum; and a range of a combination of Titanium+Columbium having a minimum of percentage of 0.20+4×(C+N) and a maximum of 0.80 percent. | 06-04-2009 |
20090159066 | Heat reclaimer device - The instant invention is a heat reclaimer that is positioned within the chimney of an existing outdoor wood stove. The reclaimer is heated by the waste heat leaving the combustion chamber of the outdoor wood stove. This waste heat is captured in the reclaimer by heating water inside the reclaimer then recirculating that water to the existing outdoor wood stove raising the temperature of the return water in that outdoor wood stove and thereby increasing the efficiency of the outdoor wood stove. The device maximizes the efficiency for specific heating outdoor wood stoves by extracting BTUs from waste or lost flue gases through a safe and environmentally sound practice. The device saves substantial amounts of resources as well as time gathering and preparing the fuels. | 06-25-2009 |
20100101553 | Temperature Sensor for Burner, and Burner - A temperature sensor for a burner comprises two metal wires implementing a thermocouple, a protection sheath receiving the two metal wires, and a head in metal material having a front side intended to be facing the environment, the temperature of which is intended to be measured, and a rear side opposite the front side, in which the two metal wires are connected in a thermal exchange relationship to the head rear side, and the head comprises a front portion connectable to a burner wall of the burner so that the thermocouple is connectable to the burner by means of said metal head. | 04-29-2010 |
20110073095 | Patio Heater Side Heat Director - A Patio Heater Side Heat Director is disclosed. The patio heater side heat director attachment is attachable to a conventional patio heater so that the dome attachment hangs down from the heater's heat shield on one side. The side heat director is designed to reflect incident heat/energy on one side of the heater towards the opposing side of the heater. The side heat director defines two or more lobes that assist in focusing the energy reflected by the director. The side heat director is easily attached to a conventional patio heater, by clipping or crimping the heat director to the edge of the patio heater heat shield. Finally, the side heat director attachment has a very low thermal mass so that very little heat energy is retained by the side heat director attachment, such that the largest possible percentage of the heater energy is reflected towards the seating area. | 03-31-2011 |
20110162632 | HEATER APPARATUS - A portable heater includes a housing having an access door providing for receiving a fuel tank within the housing. The access door provides for insertion and removal of the fuel tank through the door. A burner within the housing is connected to the fuel tank and emits a flame above the housing. A vertical transparent tube extends above the burner and encompasses the flame along an entire height of the tube. A protective grill surrounds the tube and extends at least as far as the top of the protective grill. An upper cover assembly mounts to the top of the protective grill. The flame is enclosed extending up the tube along the entire height of the tube and creates a glowing vertical element from the housing to the cover. | 07-07-2011 |
20110162633 | HEAT TREATMENT METHOD AND HEAT TREATMENT APPARATUS - A heat treatment apparatus has a substrate holder with two holder constituting bodies that each have a plurality of columns and substrate holding sections. One of the holder constituting bodies holds substrates so that their front surfaces face upward, while the other holds the substrates so that their back surfaces face upward. At least one of the holder constituting bodies moves vertically to change the positions of the holder constituting bodies relative to each other. A distance between one of a first pair of vertically-adjacent substrates with respective front surfaces facing each other and the other of the first pair of substrates is set to ensure treatment uniformity and to be larger than a distance between one of a second pair of vertically-adjacent substrates with their respective back surfaces facing each other and the other of the second pair of substrates. | 07-07-2011 |
20110174287 | CONVERGING-DIVERGING COMBUSTION ZONES FOR FURNACE HEAT EXCHANGES - A furnace unit that comprises a burner assembly having at least one burner located therein and a heat exchanger having at least one continuous combustion tube. One end of the combustion tube has a first opening that is coupled to the burner assembly. The combustion tube has at least three zones. A first surface of the first zone has a first non-straight angle with a second surface of the second zone. The second surface has a second non-straight angle with a third surface of the third zone. The first zone is nearest of the three zones to the burner assembly and the second zone is in-between the first zone and the third zone. The first, second and third zones are within a flame length configured to be emitted from the burner. | 07-21-2011 |
20110174288 | Method for producing nitride semiconductor laser light source and apparatus for producing nitride semiconductor laser light source - A method for producing a nitride semiconductor laser light source is provided. The nitride semiconductor laser light source has a nitride semiconductor laser chip, a stem for mounting the laser chip thereon, and a cap for covering the laser chip. The laser chip is encapsulated in a sealed container composed of the stem and the cap. The method for producing this nitride semiconductor laser light source has a cleaning step of cleaning the surface of the laser chip, the stem, or the cap. In the cleaning step, the laser chip, the stem, or the cap is exposed with ozone or an excited oxygen atom, or baked by heat. The method also has, after the cleaning step, a capping step of encapsulating the laser chip in the sealed container composed of the stem and the cap. During the capping step, the cleaned surface of the laser chip, the stem, or the cap is kept clean. This method provides a long-life nitride semiconductor laser light source the light emission intensity of which is not easily reduced after a long period of use. | 07-21-2011 |
20110209693 | SILICON HEATING FURNACE - The silicon heating furnace is constructed by combining two semi-cylindrical furnaces. Each of the semi-cylindrical furnaces has a semi-cylindrical housing, an insulator, heaters, and an isothermal material. Radial direction separation preventing members are arranged in inner side of both ends of circumferential direction of the housing to prevent a separation of the insulator to radial direction. End face of circumferential direction covers are fixed on the radial direction separation preventing members to cover the end faces of circumferential direction of the insulator. Cooling pipes for end faces of circumferential direction through which cooling water passed are arranged between the end faces of circumferential direction of the insulator and the end face of circumferential direction covers. | 09-01-2011 |
20110214659 | Heat storage and control system for improving the convenience and efficiency of wood burning stoves - This claim is an improvement to existing and commercially available domestic heating systems which consist of an outdoor wood burning stove and boiler which recirculate hot water through radiators located inside an inhabited structure or domicile. The inventor proposes the efficiency and convenience of such ‘outdoor wood burning heating systems’ are substantially improved by the addition of a large storage tank for the heated water and an electronic control system. The claimed improvement allows the firebox to be stoked and ignited at a time convenient to the dwelling occupant. Heated water is stored in an insulated water tank until called upon for heating. Combustion is optimized for maximum efficiency and atmospheric emissions are substantially reduced. | 09-08-2011 |
20110297138 | COVER FOR USE WITH A FURNACE DURING A HEATING OPERATION - An improved cover for use in conjunction with a furnace in performing a heating operation on a workpiece includes a support and an emission apparatus. The emission apparatus advantageously is in the form of a ceramic layer that has an emissivity value greater than that of the surface to which the emission layer is applied. In other embodiments, an emission layer can be applied to both the heated and non-heated surfaces of a cover. The emission apparatus reduces costs due to one or more factors such as a less costly material requirement, a reduced heating requirement, and an increased service life. | 12-08-2011 |
20110308510 | FURNACE FOR TESTING MATERIALS AND CHARACTERIZATION METHOD USING THE FURNACE - A furnace comprising both overall heating means and local heating means for generating both an ambient temperature and local heating of the specimen so as to be able to simulate a mechanical shock. It therefore lends itself to various tests capable of providing a better evaluation of the self-heating or self-ignition characteristics of a material subjected to a thermal or mechanical stress. | 12-22-2011 |
20120031387 | SYSTEMS AND METHODS FOR HEATING WATER USING BIOFUEL - The present invention may be embodied as a biofuel heating system for converting biofuel to heat energy to be delivered to a load comprising a combustion chamber defining a combustion zone, an under-fire zone, and an over-fire zone. A controller operates at least one of a fan, an under-fire damper, and an over-fire damper based on at least one operating parameter such that air flows along a flow path extending from at least one of an under-fire port and an over-fire port, through the combustion chamber, through a burn-out port, through a burn-out chamber, through a heat exchange port, through a heat exchange chamber, and out of an exhaust port. The heat exchange system transfers heat energy from air flowing through the heat exchange chamber to the working fluid. | 02-09-2012 |
20120132189 | DUAL FUEL HEATER - A dual fuel heater can couple with one of two fuel sources operating at different pressures. The dual fuel heater can have a first fuel line, a second fuel line, a fluid flow controller, and a combustion chamber. The fluid flow controller can selectively permit flow of a first fuel to either the first fuel line or flow of a second fuel to the second fuel line. The first fuel line can be in communication with a first oxygen depletion sensor orifice and the second fuel line can be in communication with a second oxygen depletion sensor orifice. | 05-31-2012 |
20120186573 | THERMAL PROCESSING FURNACE AND LINER FOR THE SAME - A thermal processing furnace, comprising:
| 07-26-2012 |
20120199107 | WOOD PELLET STOVE FOR POWER OUTPUTS OF DOWN TO LESS THAN 1 KW - The invention relates to a wood pellet stove, comprising a feed device for automatically adding wood pellets in a metered manner from a pellet hopper belonging to the stove. Said pellet hopper having the feed device and a grate is accommodated in a lower, stationary stove part ( | 08-09-2012 |
20120216788 | HEATING DEVICE - One aspect provides a heating device comprising a firebox having a hearth therein and first and second heat exchange chambers, and a heat exchanging plate having a first surface and a second opposing surface. The heat exchanging plate is suspended above the hearth, such that the first surface is located between the hearth and the second surface. The heat exchanging plate has lower protrusions extending from the first surface and into the first heat exchange chamber, and upper protrusions extending from the second surface and into the second heat exchange chamber. A method of manufacturing a heating device is also disclosed. | 08-30-2012 |
20120255536 | HEATING SYSTEM - A heating system can include certain pressure sensitive features. These features can be configured to change from a first position to a second position based on a pressure of a fuel flowing into the feature. These features can include, fuel selector valves, pressure regulators, burner nozzles, and oxygen depletion sensor nozzles, among other features. | 10-11-2012 |
20130098349 | DUAL FUEL HEATER WITH SELECTOR VALVE - A heater assembly can be used with a gas appliance. The gas appliance can be a dual fuel appliance for use with one of a first fuel type or a second fuel type different than the first. The heater assembly can include at least one pressure regulator, a housing, and an actuation member. The housing has a first fuel hook-up for connecting the first fuel type to the heater assembly, a second fuel hook-up for connecting the second fuel type to the heater assembly, and an internal valve. The actuation member can control the position of the internal valve based on whether the first or the second fuel hook-up is used. | 04-25-2013 |
20130192580 | WIRELESS DIAGNOSTIC SYSTEM AND METHOD - A diagnostic system for an oven chamber, an oven system, and a method of wirelessly monitoring item temperature in an oven chamber are disclosed. In some embodiments, a temperature sensor used for sensing the temperature of an item is moved or transported with the item by a conveyor system. Also, in some embodiments, a wireless transmitter coupled to the temperature sensor can transmit a temperature signal to a receiver located outside of the oven chamber, and can also be moved or transported with the item. Data representative of item temperature can be stored, displayed, and/or used to modulate operation of the oven in some embodiments. | 08-01-2013 |
20130239943 | Mounting Apparatus For Attaching A Heating Device To A Tabletop - A heater apparatus mounted on a tabletop using an existing hole in the tabletop, such as an umbrella hole, includes a clamp shaft shaped for insertion through the hole. A clamp plate extends generally radially from the clamp shaft. An energy supply line, such as an electrical cord or a fuel hose, extends from a heating unit above the tabletop through an axial bore in the clamp shaft to a location below or near the table for attachment to an external energy source such as an electrical outlet or a fuel tank. One or more clamp plates may be positioned on the clamp shaft to stabilize the heating apparatus by applying a clamping force against the tabletop. A clamp fastener may also be disposed on the clamp shaft for applying a clamping force against the table between the clamp plates. | 09-19-2013 |
20140083408 | METHODS AND DEVICES FOR HEATING LIQUID FOR INJECTION INTO A WELLBORE OR PIPELINE SYSTEM - Super heater systems include self-contained units which are easily transported to remote locations. Such super heater systems include heat exchanger assemblies adapted to heat liquid on-the-fly (i.e., directly from the supply source to a wellbore or pipeline system. A heat exchange assembly may include a first header with a plurality of first header layers in alternating fluid communication, and a second header with a plurality of second header layers in alternating fluid communication. A plurality of heat exchange coils can be coupled between the first header and the second header such that the heat exchange coils are exposed to heat generated by a burner manifold. Other aspects, embodiments, and features are also claimed and described. | 03-27-2014 |
126059000 | Camp | 2 |
20140326231 | COLLAPSIBLE COMBUSTION CONTAINER DEVICES AND ASSOCIATED METHODS - Collapsible combustion containers are disclosed and described. Such combustion containers generally include a plurality of vertically oriented panels joined by hinges. The hinges include hinge pins that can be configured to form at least part of a base that supports the container or at least part of a heating platform above the container or both. Further, the panels can contain one or more fuel openings which allow a user to control placement of fuel in the container inserted from each opening so as to select a point inside the container where the fuel will converge and combust. | 11-06-2014 |
20150289715 | Oven Toaster - The Oven Toaster is a foldable metal box that is used for warming food with a standard toaster or warming or baking food over a camp fire or barbequing food over a propane flame or propane grill or side burner. It folds into a small briefcase sized box that you can carry anywhere for easy transportation. | 10-15-2015 |
126590500 | Orchard | 1 |
20160128284 | HEAT DISTRIBUTION APPARATUS AND METHOD - In one aspect the invention provides a heating apparatus adapted to modify local climatic conditions which includes a base arranged to support the heating apparatus on a support surface. An inlet stage is associated with the base and a mixer stage connected on top of the inlet stage. At least one outlet nozzle is connected to the mixer stage, with the outlet nozzle or nozzles being adapted to rotate relative to the base. At least one heating element is located inside the mixer stage, and an impeller is arranged to drive air through the inlet stage into the mixer stage and out at least one outlet nozzle, where the mixer stage defines an air flow path which elevates air drawn through the mixer stage. | 05-12-2016 |
126060000 | Horizontal body | 1 |
126061000 | Hot air | 1 |
20160146501 | Heating unit for a fuel air heater, method for manufacturing said heating unit, and fuel air heater comprising said heating unit - Disclosed a heating unit for a portable fuel heater for heating ambient air. In one exemplary embodiment, the heating unit comprises: a first side wall defining an inner space, said inner space forming a combustion chamber; a second side wall arranged outside around said first side wall, said first side wall and said second side wall defining a first annular gap therebetween, said first annular gap forming a cooling chamber adapted to be crossed by a cooling air flow to subtract heat from the first side wall and transfer it to an external environment to be heated; wherein said first side wall forms a first plurality of bosses adapted to promote a thermal exchange of said first side wall with the combustion chamber and with the cooling chamber. | 05-26-2016 |
126064000 | Panel | 1 |
20120060817 | STOVE STRUCTURE - A stove structure includes a stove body. The stove body has a heat source portion and a wall portion. The wall portion has an inner wall and an outer wall. The inner wall and the outer wall are connected by a plurality of cross-section conducting members. Between the inner wall, the outer wall and the cross-section conducting members is provided with a low conductivity coefficient member. The cross-section conducting members extend the heat conduction distance and decrease the contact area of heat conduction. The lower conductivity coefficient member and the cross-section conducting members lower the heat conduction rate. The temperature of the outer wall is lowered to a second temperature and the temperature in the heating portion of the stove body is kept at the first high temperature. | 03-15-2012 |
126065000 | Sheet metal | 1 |
20150308692 | Modular Fire Pit and Method for Use - A modular fire pit insert for placement within a pre-constructed structure. The modular fire pit includes a vertical column defining a central aperture with the vertical column including a plurality of slots for receipt of slats. The vertical column top side being attached to a horizontal flange sized to provide resting support for the fire pit within the structure. The horizontal flange include a plurality of apertures to receive accessories. | 10-29-2015 |
126067000 | Hot air | 11 |
20090013985 | CLOSED-LOOP CONTROL SYSTEM FOR HEATING SYSTEMS - An exemplary heating system can be configured with a control system configured for controlling the heating system to reduce inefficiencies, and/or allow the heating system to operate in a relatively optimum manner. In accordance with an exemplary embodiment, a closed-loop control system may be configured to control various portions of the heating system based, at least in part, upon signals and/or information received from various sensors of the heating system. For example, among various other types of information provided within a closed-loop feedback, control may be configured based upon the pressure within the combustion chamber. In accordance with another exemplary embodiment, the closed-loop control system may determine a portion of the heating system is not operating properly, based at least in part upon feedback from one or more sensors configured within the heating system. | 01-15-2009 |
20090120423 | DOUBLE FUEL BURNING STOVE - Double fuel burning stove formed by an external casing, characterised by the fact that said stove is composed of two hearths, a first hearth ( | 05-14-2009 |
20110271948 | APPARATUS FOR CAPTURING HEAT FROM A STOVE - Apparatus for capturing heat from a stove to enable it to be transferred to a central heating system is disclosed. The apparatus comprises an air-water heat exchanger, the heat exchanger having an air side and a water side and being operative to transfer heat between air on the air side and water flowing in channels in the water side. The apparatus includes an air duct through which air heated by a stove can pass by convection to contact the air side of the heat exchanger and control means operable to control the amount of air flowing to the heat exchanger. The control means may include a fan that can be operated to direct the flow of air to the heat exchanger. | 11-10-2011 |
20120000454 | REGENERATIVE FIRING SYSTEM - A regenerative firing system is disclosed which functions in a heat treating furnace or other high temperature technology. The system comprises a plurality of regenerator heat transfer boxes which absorb the heat contained in high temperature exhaust from the furnace. Each regenerator box transfers this absorbed heat to a flow of ambient air. The now heated air flows from the regenerator box into a common air stream which is then fed to a plurality of burners. The preheated air stream is supplied to a common air stream that is then simultaneously provided to each of a plurality of burners. The design of the current system allow for the regenerators to be placed in any convenient location around the furnace. The regenerative system may also be adapted to current heat treating furnaces. In addition, the current invention comprises a method of heat recovery for a furnace utilizing the inventive system. The regenerators produce a common preheated combustion air supply which then flows to a plurality of burners. The heated air produced from each regenerator flows to each of the burners. Each regenerator performs a different step of the method at any given time, allowing each of the burners to continuously fire. | 01-05-2012 |
20120199108 | Oven for Use in a Gas Chromatograph - The invention is directed to an oven for use in gas chromatography. In one embodiment, the oven is comprised of a housing that defines an interior chamber within which a substantial portion of a heating element and a radial fan blade are located. The interior chamber also defines a space within which a separation column is located when the oven is in use. The substantial portion of the heating element is located so as to receive air, when the oven is in operation, that is being moved by the radial fan blade in a direction that is substantially perpendicular to the axis of rotation of the blade. The space within which a separation column is located is also defined so as to receive air, when the oven is in operation, that is being moved by the radial fan blade in a direction that is substantially perpendicular to the axis of rotation of the blade. | 08-09-2012 |
20140299117 | Very shallow heating apparatus with very high yield and a wide view - A solid fuel heating apparatus ( | 10-09-2014 |
20140373825 | APPARATUS FOR CAPTURING HEAT FROM A STOVE - Apparatus for capturing heat from a stove to enable it to be transferred to a central heating system is disclosed. The apparatus comprises an air-water heat exchanger, the heat exchanger having an air side and a water side and being operative to transfer heat between air on the air side and water flowing in channels in the water side. The apparatus includes an air duct through which air heated by a stove can pass by convection to contact the air side of the heat exchanger and control means operable to control the amount of air flowing to the heat exchanger. The control means may include a fan that can be operated to direct the flow of air to the heat exchanger. | 12-25-2014 |
126068000 | Magazine | 2 |
20150020790 | VARIABLE PITCH FUEL SUPPLIER AND AN OVEN FOR USE WITH THE SAME - An oven for use with a variable pitch fuel supplier and for use with biomass fuel. The oven has a body which is able to be placed on the ground. The body has a combustion cabinet and an auxiliary equipment cabinet. The combustion cabinet has a burner received therein and the auxiliary equipment cabinet has a fuel supplier and an electrical equipment received therein. The fuel supplier has a hopper, a fuel tube, and a rotary vane feeder rotatably received in the fuel tube. The electrical equipment has a power supply and a feeding motor driving the rotary vane feeder. Pitches vary larger from a tail end to a free end of the rotary vane feeder. | 01-22-2015 |
20160377297 | BIOMASS FUEL STOVE - Disclosed is a biomass stove for burning biomass fuel using a combustion furnace. The stove includes a gravity feed fuel holding tank for feeding biomass fuel to the furnace. The combustion furnace includes a primary combustion furnace and a secondary combustion furnace surrounding the primary combustion furnace, as well as a water jacket surrounding the secondary combustion furnace and an air jacket further surrounding the water jacket. A fuel holding device may be in the form of a rotating furnace that includes a support surface with one or more curved vanes thereon for moving gravity fed fuel. An ash removal assembly includes an adjustable ash grate and a fixed ash grate below the furnace. Adjustment of the adjustable grate relative to the fixed grate moves openings into and out of alignment such that ash from burned biomass fuel is output to an ash pan. | 12-29-2016 |
126069000 | Revertible draft, base-heating | 1 |
20130000625 | Heating Apparatus Provided with Combustion Control - The invention relates to a solid-fuel heating apparatus that includes a combustion chamber ( | 01-03-2013 |
126072000 | Tubular air heaters | 1 |
20160138828 | PATIO HEATER BASE AND POLE ASSEMBLY - The present concept is a patio heater assembly. The patio heater assembly includes a base and at least one support platform spaced from the base that is supported and attached to a vertically extending rear upright and at least one vertically extending forward upright. The uprights are attached at one end to the base and the other end to the at least one support platform. There is a pole moveable between a collapsed position and a raised assembled position that includes at least one pole flange at a bottom end of the pole. The pole flange rigidly connects to the support platform when in the raised assembled position, thereby maintaining the patio heater assembly in the raised assembled position. While in the collapsed position the pole flange rests on the base. | 05-19-2016 |
126073000 | Magazine | 4 |
20090038603 | Pellet stove - A pellet stove is disclosed comprising a reverse flow heated air pathway defined by stove sections. In an illustrated embodiment, the space between upper and lower stove sections is open to provide a heating or oven area. The stove can be readily disassembled in part for easy portability. | 02-12-2009 |
20160153664 | VERTICAL FIRE PIT | 06-02-2016 |
20160161127 | PELLET STOVE - A pellet stove includes a hopper for storing pellets, a basket for receiving the pellets by gravity, a duct for conveying combustion air to the basket, and a conduit for conducting heated air away from the basket. The position of the basket is adjustable, such as by raising and lowering it, or by rotating it, so as to control the number of pellets in the area of most intense combustion. One or more burn plates, positioned below the basket, provide platforms on which pellets falling through the basket can burn down to a smaller size. The pellet stove requires no external source of power. The stove so constructed enables quiet, efficient and clean burning of the pellets. | 06-09-2016 |
20160178208 | SYSTEM AND CHARGING METHOD FOR DUST-FREE FUEL DOSAGE IN SOLID-FUEL STOVES FOR HEATING OF CUBATURE FACILITES | 06-23-2016 |
126075000 | Revertible draft, base-heating | 3 |
20150292746 | WOOD FUELLED HEATING STOVE - A wood fuelled heating stove including: a stove portion having a stove chamber therein and an fine mesh charcoal basket dividing the stove chamber into upper and lower chambers; a reduction portion having a primary combustion chamber therein and at least partly within the upper chamber of the stove chamber and having a primary grating vertically separating the primary combustion chamber from the upper chamber; an air jacket surrounding at least some of the primary combustion chamber and having a plurality of ports providing fluid communication between the primary combustion chamber and the air jacket and a primary grating providing limited flow of mobile solids and fluid between the primary combustion chamber and the stove chamber; an air passage providing fluid communication from the outside of the stove chamber to the air jacket and to the inside of the stove chamber; and a flue passage providing fluid communication from the lower chamber of the stove chamber to a flue outlet at a level above the primary combustion chamber and upper level of the stove chamber. | 10-15-2015 |
20150354817 | Heater With Flame Display - A heater with a visual flame display is described. The heater may include a top portion and a base, separated by concentric cylinders. The innermost cylinder houses a flame element, which may be spun into a vortex. The cylinders may be constructed from transparent materials such that the flame element is visible to an observer. The base provides heat at or near ground level for efficient heat distribution. | 12-10-2015 |
20160102865 | DOWN-DRAFT HEATING DEVICE - A heating device includes: a primary burn chamber; a secondary burn chamber; a solid fuel support structure separating the primary burn chamber and the secondary burn chamber, the fuel support structure being operable to support a solid fuel for burning in the primary burn chamber, to pass air from the secondary burn chamber to the primary burn chamber and to pass gas and particulates from the primary burn chamber to the secondary burn chamber; an exhaust port operable to exhaust air; a cooling chamber disposed between the secondary burn chamber and the exhaust port, the cooling chamber being operable to extract heat from gases from the secondary burn chamber; a first port operable to supply external air to the primary burn chamber; a second port operable to supply external air to the secondary burn chamber; and a gas flow controller. | 04-14-2016 |
126077000 | Feeding air | 21 |
20080223355 | Baffle system for burn chamber of stove and method of installing and using same - There is provided a solid fuel stove having a burn chamber including at least one side wall and a firebox. The firebox is located a distance from the side wall. The firebox generates ash while burning solid fuel. At least one baffle contacts the firebox and the side wall. An amount of ash which escapes from the firebox is directed back to the firebox and the heat generated by the firebox will be readily concentrated because of the baffle. | 09-18-2008 |
20080276924 | Wood burning stove - A wood stove defining an upper combustion chamber and a lower fire box having two inwardly and downwardly angulated opposed fuel chutes for gravitational feeding of fuel to the fire box for extended burning. A rectilinear air channel spaced apart from a back wall of the stove, and structurally attached thereto, provides a channel for combustion products and byproducts to pass from an upper inner portion of the stove adjacent a chimney port downwardly to the fire box to pass through the primary fire zone for more complete combustion of the combustion products and combustion byproducts to enhances heat production and reduce wasting of smoke generating particulates and vapors. | 11-13-2008 |
20100037883 | WALL THIMBLE WITH OUTSIDE AIR INLET - An improved wall thimble as part of a venting apparatus for a heating appliance. Dual functionality is provided in a single wall thimble device by having a vent path for exhausting combustion by-products, and a separate air inlet path to draw in combustion air for use by the heating appliance. The wall thimble is preferably formed as a two-cylindrical part housing such that a first portion can be inserted into a second portion. When a smaller exhaust pipe is routed through the two-part housing, an annular region is formed between the exhaust pipe and the walls of the housing. A first air vent is formed in the first portion to draw combustion air into the annular region from outside. A second air vent is formed in the second portion to route the combustion air from the annular region out through the second air vent to be coupled with the combustion air inlet. A baffle is disposed in the first portion to preheat the combustion air. A duct assembly with an adjustable extension may be coupled to the second air vent to provide a below-grade installation. | 02-18-2010 |
20100154771 | AIR-FLOW-CONTROLLING REAR HOUSING MEMBER - An oxygen flow controlling rear housing member for use in a burner comprises a main body portion with a first oxygen inlet. An annular oxygen gathering chamber is in fluid communication with the first oxygen inlet. An annular wall divides the annular oxygen gathering chamber and an annular oxygen-flow mixing chamber. A first oxygen flow passageway extends between the annular oxygen gathering chamber and the annular oxygen-flow mixing chamber, and has a first height that is a portion of the height of the annular wall. A second oxygen flow passageway extends between the annular oxygen gathering chamber and the annular oxygen-flow mixing chamber, and has a second height that is a portion of the height of the annular wall. The height of the first oxygen flow passageway is greater than the height of the second oxygen flow passageway. | 06-24-2010 |
20100192934 | Combustion Apparatus - Combustion apparatus for use with a solid fuel has a firebox constructed at least in part of a fired refractory carbide material. The fired refractory carbide material has a catalytic effect on the combustion process providing a cleaner and more efficient combustion. The fired refractory material also absorbs heat from the combustion process directly or indirectly by heat exchange with combustion products and dissipates the absorbed heat over an extended period of time providing space heating after the combustion process is completed. | 08-05-2010 |
20110048398 | Wood Burning Stove with Wood Pellet Burner - In a wood burning stove comprising a burning chamber ( | 03-03-2011 |
20110168153 | METHODS FOR OPERATING A TOP LOADING WOOD FIRED APPLIANCES HAVING A COOPERATING TOP LOADING DOOR AND MOVABLE BAFFLE - A method for operating a wood fired appliance, in one aspect, generally includes automatically moving a baffle to a lowered closed position from the raised open position in response to a top loading door being moved to a closed position to close the opening in a top wall. The baffle may also be automatically inhibited from being maintained in the raised opened position when the top loading door is disposed in the closed position. For example, a cam may be tripped or activated by lowering of the top loading door to cause the baffle to rotate about an axis and fall under the force of gravity to the lowered closed position, and the cam may inhibit the baffle from being raised when the top loading door is closed. | 07-14-2011 |
20110220089 | VERTICAL HEAT TREATMENT APPARATUS AND ASSEMBLY OF PRESSURE DETECTION SYSTEM AND TEMPERATURE SENSOR - A vertical heat treatment apparatus including a furnace body having heater elements, and a treatment container, disposed in the furnace body, for housing and heat treating objects W to be treated. An air supply line and an air exhaust line are connected to the furnace body. An air supply blower and an air supply line valve mechanism are disposed in the air supply line, and an air exhaust blower and an air exhaust line valve mechanism are disposed in the air exhaust line. A protective tube is provided which penetrates through the furnace body and in which a temperature sensor signal line is housed, and a pressure detection hole is formed in the protective tube. A pressure detection sensor is connected to the pressure detection hole. | 09-15-2011 |
20110232622 | Wood fired boiler - A bio-mass fueled boiler operating at delivered efficiencies in excess of 90%. Pre-heated, pressurized primary combustion air is supplied to a primary burn chamber via horizontal and vertical orifice containing conduits. Exhaust gases are directed past a reflective secondary burner supplying pre-heated, pressurized secondary combustion air into a secondary burn/ash collection chamber. Exhaust gases are directed from the secondary burn chamber via exhaust conduits having axial and cross-sectional shapes and wall geometries that promote internal turbulence and heat transfer. One or more gas/oil fired burners are fitted to or between the primary and secondary combustion chambers. Several operating modes are provided via associated blowers, air baffles, liquid and gas fuel conduits, pumps and sundry stove sensors and servos coupled to microprocessor control circuitry. | 09-29-2011 |
20120080022 | MULTI STAGE COMBUSTION FURNACE AND PROCESS FOR THE THERMAL EXPANSION OF MINERAL PARTICLES - The present document describes a multistages combustion furnace system for thermal expansion of mineral particles which comprises: a furnace having an expansion chamber for receiving the mineral particles; a burner head to be connected at a distance for an atmospheric coupling of the furnace and for operating the multistages combustion furnace system; a furnace device to be connected at a distance for an atmospheric coupling of the burner head to offset the quenching effect of ambient air normally drawn in the furnace; and a tuyere for thermal expansion of mineral particles to be connected between the expansion chamber and the furnace device; wherein the multistage combustion furnace system is to be connected with an inlet of preheated air. | 04-05-2012 |
20130192581 | VEHICLE HEATER WITH INTEGRATED FAN MOTOR AND CONTROL DEVICE - A vehicle heater ( | 08-01-2013 |
20130206129 | Low Emission Woodstove - 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. | 08-15-2013 |
20140109888 | Heating Power Adjusting Apparatus of Hot Blast Heater - Disclosed is a heating power adjusting apparatus of a hot blast heater which controls pressure of air supplied to a burner by executing selectively switching between the cross-sectional areas of orifices in a flow space of air located between a pump and a burner head, and thereby variably adjusts heating power generated from the burner. The heating power adjusting apparatus adjusts includes a valve body including an air injection part, an air exhaust part, and an air flow space between the air injection part and the air exhaust part, an orifice body rotatably installed in the air flow space of the valve body and provided with a plurality of orifices having different flow cross-sectional areas to variably adjust the flow rate of air, and a rotary knob to adjust rotation of the orifice body with respect to the valve body. | 04-24-2014 |
20140123972 | HIGH EFFICIENCY WOOD-BURNING GRIDDLE COOK STOVE - Disclosed herein are devices and methods that aid in providing high efficiency stoves for developing and underdeveloped regions. In some embodiments, the stoves are plancha-style stoves comprise cast iron planchas that are more durable and efficient that existing stoves. The plancha-style stoves, described herein may comprise a combustion chamber comprising an inlet, a stack chamber comprising an inlet and an outlet; a gas path chamber, comprising a ceiling and a floor, wherein the ceiling is defined by a removable plancha cooking surface having a substantially planar upper surface and a lower surface; a chimney box; and a chimney. In many embodiments, the stack chamber defines a cross-sectional area that is larger than the cross-sectional area of the inlet to the combustion chamber to prevent smoke from escaping the combustion chamber through the inlet. | 05-08-2014 |
20140158108 | COMBUSTION DEVICE - The present invention pertains to a combustion device which is mounted to a wood boiler or the likes and generates high thermal power while decreasing soot by means of a simple structure. According to the present invention, a combustion device comprises; a main body having a porous plate which is formed inside and on which injected fuel is stacked; a fuel injection section communicating with one side of the upper portion of the main body; a first air supply section communicating with the lower portion of the porous plate of the main body and supplying air; an ignition section formed to be adjacent to the porous plate and igniting the fuel; a flame discharge section extending from the other side of the upper portion of the main body and discharging the flame and heat caused by the combustion; a cyclone section formed in the shape of a short cylinder and expanding in a lateral direction from the periphery of the flame discharge section so as to partially expand the path of the flame discharge section; and a second air supply section communicating with one side of the periphery of the cyclone section and supplying air to the cyclone section in a tangential direction. | 06-12-2014 |
20140251299 | OVEN HAVING AN ENCLOSED HEAT EXCHANGE ZONE - An oven has an enclosed heat exchange zone for use with biomass fuel. The oven has a body which is able to be placed on the ground. The body has a combustion cabinet and an auxiliary equipment cabinet. The combustion cabinet has a burner received therein. The burner has a fire grate, a side plate, a blowing space, and a hearth. A heat exchange zone is defined by the surrounding tubular inner wall; a side heating zone being defined by a tubular inner and a tubular outer walls. A chimney is formed on the tubular outer wall in communication with an upper portion of the side heating zone. An opening is defined in the top of the combustion cabinet right above the tubular inner wall. | 09-11-2014 |
20150075510 | CATALYTIC UNIT FOR SOLID FUEL BURNING STOVES - This invention describes a stove comprising a combustion chamber and a flue for removing exhaust from said combustion chamber, where said combustion chamber and said flue are connected via a passageway; said combustion chamber comprising a top and a bottom, where said top and said bottom are connected by one or more sides; a catalytic unit arranged between said combustion chamber and said flue in said passageway; said catalytic unit provides a guide way for the exhaust, where said catalytic unit comprises at least one isolating members and at least one catalytic member, said catalytic member comprising a first wave-like structure, said first wave-like structure being provided on at least one catalytic surface of said catalytic member and, in use, at least partly being in contact with the exhaust and, where, in use, the direction of the exhaust is substantially transverse to the waves of said first wave-like structure. | 03-19-2015 |
20150122241 | WOOD PELLET BURNER ASSEMBLY - There is provided a wood pellet burner assembly for a wood pellet boiler, not shown. There is a fixed and easily removable fuel apertured grate mounted above and spaced apart from a base wall forming part of a main support enclosure. A movable scraper subassembly carrying an apertured flame tube is provided which can be moved in and out of the main support enclosure to perform a scraping action on the fixed fuel apertured grate to deliver ash and clinker which have not fallen through the grate during combustion off the grate out of the main support enclosure. This cleaning operation can be carried out at suitable preset time intervals. | 05-07-2015 |
20150300649 | Variable secondary air intake device - A variable secondary air intake device has a baffle member adapted to be attached within an upper area of a fire chamber of the firebox. The baffle member includes a top having a channel member hole therethrough, side walls, a bottom having a plurality of small holes therethrough, and a gas exit opening having side walls and extending through the top and bottom. A hollow chamber member adapted to be placed upon a top surface of the baffle member, the hollow chamber member includes a top having a channel member hole therethrough, and side walls extending downward from the top and forming a chamber having a periphery that includes a plurality of gas exit holes therethrough. | 10-22-2015 |
20150345797 | Small, High Efficient Wood Stove - A portable, high efficiency wood stove that includes a hollow cylindrical outer skin with an coaxially aligned, insulated inner fire box. Located below the fire box is a fresh air inlet and an air control valve that controls the flow of fresh air into the stove's primary and secondary chambers. The fire box is shorter than the outer jacket thereby creating a flat upper ledge that demarks the beginning of the secondary combustion chamber. Surrounding the fire box are three longitudinally aligned air conduits that extend from the air inlet to the ledge. During use, the fresh air inside the air conduits is heated. Disposed transversely inside the outer jacket and supported by the ledge is a combustor assembly that includes a lower fin plate, a perforated intermediate plate and a perforated upper plate. During use, fuel is added to the fire box which undergoes initial combustion and produces hot gases and fumes that travel upward towards the combuster assembly. The air control valve is manipulated to control the flow of fresh either into the primary chamber only, both chambers, or only the secondary chamber. | 12-03-2015 |
20160097540 | Outdoor Wood-Burning Boiler - An outdoor wood-burning boiler is provided that includes a wood-burning enclosure, a wood support structure, and an air supply system configured for supplying air to wood that is supported by the wood support structure. The air supply system includes conduits for carrying a flow of air. At least one conduit can extend through a sidewall of the enclosure such that an end of the conduit is located outside of the enclosure. The end can include a re-closable closure. The re-closable closure can be configured to be opened from outside of the enclosure and provide access to the interior of the conduit so the conduit can be cleaned. The end and the re-closable closure can instead be located inside the enclosure and accessible through an access panel. An air supply conduit system is also provided that can be installed after-market or as original equipment. | 04-07-2016 |
126080000 | Ventilating attachments | 8 |
20080271726 | WALL THIMBLE WITH OUTSIDE AIR INLET - An improved wall thimble is useful as part of a venting apparatus for a direct vent heating appliance. Dual functionality is provided in a single wall thimble device by having a vent path for exhausting combustion by-products, and a separate air inlet path to draw in outside combustion air for use by the heating appliance. The wall thimble is formed as a two-part housing such that a first cylindrical portion can be inserted into a second cylindrical portion. When a smaller diameter exhaust pipe is routed through the cylindrical portions, an annular region is formed between the exhaust pipe and the cylindrical portions. A first air vent is formed in the first cylindrical portion to draw combustion air into the annular region from outside. A second air vent is formed in the second cylindrical portion to route the combustion air from the annular region to an opening in the housing where a combustion air inlet pipe is connected. | 11-06-2008 |
20100108052 | CEILING SUPPORT BOX WITH OUTSIDE AIR INLET - A ceiling support box is an interface for coupling two sections of pipe as part of a venting apparatus for a heating appliance. Dual functionality is provided in a single integrated device by having a vent path for exhausting combustion by-products, and a separate air inlet path to draw in combustion air for use by the heating appliance. | 05-06-2010 |
20100319675 | MODULAR FLUE ADAPTER SYSTEM AND METHOD - A modular flue adapter system and method is described to accommodate a conduit for exhaust between a firebox and a firebox flue, wherein the firebox is inserted into a firebox opening, by providing an offset distance and/or direction between the exhaust of the firebox and the firebox flue. | 12-23-2010 |
20120090589 | Bottle shaped fire pit - A bottle shaped fire pit with a dish shaped base member, a screened side wall assembly, a hinged door, a bottle neck shaped chimney, a bottle cap shaped uppermost member and a plurality of support legs The legs support the bottle shaped fire pit assembly. The screened side wall assembly is attached to the dish shaped base member. The door forms a portion of the bottle side wall assembly. A preferred embodiment includes a plurality of radially disposed extension arms to the lower perimeter of the dish shaped bottom member and at their opposite end in a vertical support post terminating in table member. The vertical support posts terminating at their lower end in a base plate. A preferred embodiment includes each the extension arm is comprised of telescoping members that allow the arm to extend or retract as necessary. | 04-19-2012 |
20130019849 | WASTE HEAT RECOVERY FOR FORCED CONVECTION BIOMASS STOVE - A stove includes a combustion chamber for producing heat, a thermoelectric device thermally coupled to a hot source and a cold source, a battery, a fan electrically connected to the thermoelectric device and the battery, and a controller configured to monitor the battery and thermoelectric device and configured to direct the fan be operated from power provided from the battery when power produced from the thermoelectric device is insufficient to power the fan. | 01-24-2013 |
20130180514 | DEVICE AND METHOD FOR SETTING UP A CONTROL ELEMENT FOR THE GAS PRESSURE OF A COKE OVEN CHAMBER WITHOUT EXPANSION-INDUCED DEVIATIONS OF THE CONTROL ASSEMBLY - A device for setting up a control element for controlling the gas pressure of a coke oven chamber without expansion-induced deviations of the control assembly, which deviations in comparable devices from the prior art result from high temperatures and temperature differences in coke oven chambers during operation. The device and the method prevent water used for shutting off, cooling and removing water-soluble impurities from riser pipes from flowing out of the control element in an uncontrolled manner. Also disclosed is a method for controlling the gas pressure of a coke oven chamber using the device, wherein the pressure in the coke oven chamber relative to the collecting main conducting raw gas is controlled by using the control element without expansion-induced deviations of the regulating assembly. | 07-18-2013 |
20140137851 | COMMON VENTING SYSTEM FOR WATER HEATERS AND METHOD OF CONTROLLING THE SAME - A water heater venting system, the water heater venting system comprising a main exhaust vent; and a first water heater in communication with a second water heater. The first water heater including an inlet, a blower assembly including a motor, an exhaust vent coupled to the main exhaust vent, a fluid flowpath created by fluid communication between the inlet, the blower assembly, and the exhaust vent, a sensor positioned along the fluid flowpath, and a controller electrically coupled to the sensor and the motor of the blower assembly, the controller controlling the speed of the motor based on at least one of an input from the sensor and an input from the second water heater. | 05-22-2014 |
20140305421 | MODULAR FLUE ADAPTER SYSTEM AND METHOD - A modular flue adapter system and method is described to accommodate a conduit for exhaust between a firebox and a firebox flue, wherein the firebox is inserted into a firebox opening, by providing an offset distance and/or direction between the exhaust of the firebox and the firebox flue. | 10-16-2014 |
126081000 | Stove plates | 1 |
20120111311 | CUSTOMIZABLE FIRE PIT - A portable fire pit system is disclosed having an outer shell that is configured for easy customization that the outer appearance of the fire pit can be changed. The outer shell includes at least one visible outer side wall that is substantially vertical and substantially smooth for receiving decoration. According to one embodiment the outer side wall is substantially cylindrical and has a decorative wrap attached to its outer surface. | 05-10-2012 |