Matches 1 - 50 out of 253 1 2 3 4 5 6 >
Match Document Document Title
7588028 Biomass burner  
A burner comprising a fuel reservoir, a primary combustion zone located at the lower end of the fuel reservoir, a secondary combustion zone located underneath the primary combustion zone, a passage...
7530351 Pellet burning heating assembly  
A portable pellet fired heating element for mounting to a grill or stove and comprising a gravity fed pellet holder, a unitary tubular structure having a burner, an air intake and an exhaust chute....
7373937 Draft control system and method for heating systems  
A draft control system and method can provide for automated control of the air drafting for heating systems. In accordance with an exemplary embodiment, an exemplary draft control system comprises...
7325541 Adjustable primary air supply for wood burning device  
An adjustable primary air supply for wood burning device comprises at least one but preferably two thermostatic bimetal elements which, by bending with temperature variations, directly actuate a...
7216645 Wood burning stove having pivoting baffle and method  
A wood burning stove is provided. The combustion chamber in which the fire occurs has a baffle plate that is moveable to direct air flow through one of two different pathways from the combustion...
7066170 Apparatuses and methods for balancing combustion air and exhaust gas for use with a direct-vent heater appliance  
A combustion air and exhaust gas balancing system for use with a direct-vent heater appliance. The balancing system includes a combustion air valve in fluid communication with a combustion air duct...
7047962 Air control for a clean burning fireplace  
An automatic air intake control includes a timing mechanism that regulates the amount of air entering a combustion chamber enclosure during combustion of a fuel. The amount of air is regulated to...
6817354 Wood burning furnace  
A wood burning furnace having an enclosed combustion chamber including a top, a bottom, a back, a front and opposing side walls and a secondary combustion air admission chamber including a top, a...
6769424 Heater with heat resistant anti-oxidant coating on interior surfaces  
A heater for burning fuel having a hollow enclosure with an air inlet, and a combustion gas outlet. The enclosure has an exterior heat exchange wall preferably directly exposed to ambient air and...
6761160 Hollow walled solid fuel grill  
A solid fuel cooking device incorporates a combustion chamber bound by an open upper side and an open lower side and is substantially closed on four sides by a retaining wall. The combustion...
6615821 Camp stove  
A portable stove and heater adapted for outdoor or camp use. The stove is comprised of at least three concentric walls affixed to a floor with vents placed in each of the walls to permit multiple...
6595199 Stove for solid fuel  
A stove for solid fuel, with sensor controlled, motor driven adjustment means for respective different types of intake air and with a control unit which is programmable for selective control of the...
6546926 Brickless stove  
A wood burning stove in the shape of a barrel having both primary and secondary air inlets for supplying clean combustion. Primary air is fed into the stove from above the door. Secondary air is...
6520173 Portable solid-fuel camp-stove  
A portable solid-fuel burning camp-stove with a unique air supply system that allows for sufficient thermal power output to facilitate cooking while keeping the size of the combustion chamber small...
6488024 Wood heater  
A combustion system for burning firewood including a combustion chamber defined by front, rear and side walls, a ceiling and a bottom. An access door is provided for addition of fuel into the...
6484714 High temperature fireplace grate including room heating transfer tubes  
An improved grate for burning solid fuel having a support for the fuel, a blower for transporting air through the support, a multiplicity of orifices jets uniformly distributed across the entire...
6336449 Solid fuel burner for a heating apparatus  
A burner system is described for burning granular pellets and similarly sized solid biomass heating fuel, e.g. wood pellets. It includes an air tight fire chamber having an exhaust outlet in an...
6332411 Furnace  
The furnace is intended for burning solid fuel (mainly fire-wood) in continuous mode of operation, with significant amount of heat released in the form of hot combustion products usable in...
6308701 Combustion system  
A combustion system includes a primary combustion chamber divided into left and right sides by fuel-retaining standards defining a canyon or void extending into a secondary combustion chamber is...
6209535 Heating apparatus  
A heating apparatus comprises a combustion chamber, formed of an assembly having a rear wall, two lateral walls, an upper wall and a lower wall. The combustion chamber has at least one outlet for...
6145500 Heating device  
The heating device has a housing and a liquid containing compartment defined inside the housing. A heating chamber is disposed inside the housing and the compartment. A fire chamber is disposed...
6041771 Apparatus and method of automatically regulating intake of air into heating unit  
This invention relates to a novel apparatus and method for automatically and dynamically regulating the intake of air into the combustion chamber of a heating unit such as a wood burning stove,...
6041770 Bi-metallic control device  
A bi-metal control flap for a wood stove is biased to close by gravity and is controlled to open an air inlet when the temperature rises which is opposite to the traditional bi-metal control...
6029654 Vented fireplace construction  
A vented wood or gas-log fireplace is formed from a sheet metal member bent to form side and rear panels. A pair of spaced apart sheet metal plates are connected between the side panels and have...
5941234 Combustion cage for wood pellet and other solid fuel combustion  
A combustion cage for pellet fuel is an inclined container having at least one wall surrounding a bottom and a support structure. The surrounding wall and bottom of the container have a plurality...
5918589 Low moisture/closed door broil oven ventilation system  
An oven having a ventilation system capable of providing reduced temperature, low moisture exhaust air is provided. The oven has an oven cavity defined by a partition having a through hole and...
5901701 Unvented fireplace construction  
An unvented gas-log fireplace is formed from a sheet metal member bent to form side and rear panels. A pair of spaced apart sheet metal plates are connected between the side panels and have rear...
5819725 Aerodynamic device for increasing the flickering of a natural gas flame  
A process and apparatus for combustion of a gaseous fuel in a fireplace in which a plurality of periodic vortices are created in the airflow pattern of the combustion air prior to its mixing with...
5740789 Modification of the gas stove by installing oxygen booster  
A combination of a gas stove with oxygen device is provided. The disclosure comprises generally a pair of valves secured to the front side of a gas stove. The valves each has a rotor plug therein...
5702244 Apparatus and method for reducing particulate emissions from combustion processes  
A method and apparatus for reducing particle emissions from combustion processes and increasing combustion efficiency. A high voltage electrical potential is passed through a combustion flame to...
5701882 Fireplace with ceramic fiber duct  
A fireplace having a low density ceramic fiber duct with a first duct portion which promotes secondary combustion of unburned products of combustion and a second duct portion which removes products...
5680856 Discharge structure for closed gas appliances  
Modular discharge structure for closed gas appliances having an inner end and an outer end, comprising: an outer tubular casing; an inner gas exhaust pipe, being placed inside the casing to define...
5680855 Indoor fireplace  
An indoor fireplace comprises a base, a feeding device, a combustion chamber, and a ventilation device. The base has a sliding plate provided with a feeding pipe in communication with the...
5669373 Thermostatic regulated air flow controller  
The invention concerns a thermostatic air flow controller. Such flow controllers may be specially useful for controlling the intake of air to a heating stove. The controller has a main air passage...
5657742 Solid fuel heating device  
A heating appliance has a firebox and an ash chamber. A primary preheating chamber is located beneath the ash chamber. The preheating chamber is U-shaped in cross section and raised portions or...
5622161 Stove  
A stove (1) for the combustion of solid fuel (4), such as wood, a fire box within the stove forming the combustion chamber (2) for the fuel is provided with a hollow hood (20) extending over the...
5603312 Direct vent wood burning fireplace  
The invention is directed to a balanced flue or direct vented, solid fuel burning fireplace which may be installed in a building and is operable at energy input levels greater than 75,000 BTU/hour....
5553604 Space heating system, heater, and combustion chamber  
The space heating system has a stove (1, 2) with a sealed combustion chamber (3); air is heated in the stove in a heat exchanger (12) therein, and heated air is conducted through hollow blocks (80)...
5542407 Fireplace assembly  
A fireplace assembly of the type used as a room air heater comprises a second pane of glass in front of and spaced from the glass pane forming the front of the combustion chamber. The two panes...
5469836 Solid fuel heating appliance  
A stove (1) comprises a fire-box (4), and an ash-chamber (5) separated by a grate (19). Air intake means (21,23) is provided beneath the ash-chamber. Air supply means (30) connected to the air...
5462043 Wood burning furnace  
A unitary furnace through which air is circulated for heating purposes is disclosed. A blower forces air through a number of heat exchange tubes horizontally positioned within the combustion...
5413089 Wood and coal burning stove  
A solid fuel burning stove includes a firebox having front side and rear walls, a top and a bottom, and a secondary combustion unit formed from high temperature insulative refractive material...
5413088 Wood burning heating unit  
An improved wood burning heating unit which possesses a trapezoidal housing including a fire box portion possessing in a combustion zone a fire brick grid for supporting fuel wood. An air duct...
5357941 Refractory baffle insert for fireplace  
There is disclosed a refractory baffle for use in a fireplace which dispenses, via apertures provided therein, preheated combustion air over the central combustion zone of the fireplace. The...
5341794 Combustion device for stoves and fireplaces  
A combustion device is described by several embodiments to enable efficient, clean burning of fuel in combustors. In stove and fireplace embodiments, primary, secondary and tertiary air supplies...
5322052 Fireplace with destruction of products of incomplete combustion enhanced by a gaseous-fueled pilot burner  
Particulate emissions from a wood fire in a fireplace having a baffle for preventing the direct flow of fluid into the flue from the wood fire are reduced by locating a hydrocarbon gas pilot source...
5284127 Device for regulating the strength of the flue draught in heating appliances  
An air guide element is installed between air supply vent and the inside of he door of the heating appliance which consists of an adjustable damper for regulating the supply of secondary combustion...
5263471 Solid fuel clean burning zero clearance fireplace  
A high efficiency clean burning fireplace for burning solid fuels at pyrolytic temperatures is provided with refractory walls maintained about 1100° Fahrenheit at different burning rates. A top...
5203316 Portable camp stove  
A portable camp stove is disclosed. It consists of a frusto-conical main body, a preheating chamber, and spiral flue chambers. The stove may be placed over a fire in a pit in the earth, or the...
5179933 Single chamber wood stove including gaseous hydrocarbon supply  
A single chamber wood stove has primary and secondary combustion zones in direct fluid flow communication with each other. Air from outside the stove is supplied to the primary and secondary...
Matches 1 - 50 out of 253 1 2 3 4 5 6 >