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Match Document Document Title
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...
7052271 Draft inducer system  
A draft inducer system has a voltage reducer capable of converting an input AC voltage to a reduced voltage, and an inducer unit capable of being coupled with the voltage reducer. The voltage...
6772753 Adjustable orifice plate for exhaust ducts  
An exhaust duct orifice adjustment device for a gas-fired heater used to indirectly heat an oven communicating with a heat exchanger, wherein the exhaust duct includes a fixed annular orifice plate...
6766796 Heat exchanger for forced air circulation ovens, particularly for baking food  
A heat exchanger for forced air circulation ovens, particularly for baking foods, of the type that comprise two chambers, a baking chamber and a heat exchange chamber, between which at least one...
6761559 Gas-exhausting module structure suited for a continuous type oven  
A gas-exhausting module structure includes a casing having a first open end and a second open end. An air-exhausting channel is defined within the casing. The air-exhausting channel has an upper...
6622660 Blower mixing tee  
An exhaust system for withdrawing a supply of exhaust gases from an exhaust flue of a heater and expelling the exhaust gases to atmosphere at a remote location that includes a mixing tee for mixing...
6394008 Splitter plate arrangement for a flue gas stack  
A splitter plate arrangement is provided for controlling the flow of flue gas in a vertical stack. The splitter plate arrangement 100 is operable to control the flow of flue gas in a vertical...
RE37389 Appliance for improved venting  
A gas appliance, flue assembly, or vent adapter including an adjustable flow regulator which regulates the proportions and volume of dilution air and combustion products into the vent is disclosed....
6234163 Flue ducting for atmospheric boilers  
A flue ducting for atmospheric boilers is disclosed and comprises two coaxial generally tubular ducts 10, 11, and a generally undulating linear spacer 12 between said ducts. Linear features are...
6227191 Method and apparatus for adjusting airflow in draft inducer  
A bypass hole is cut into a collector box cover to reduce the efficiency of a draft inducer fan when the fan is used with a furnace containing fewer burner-heat exchanger cells than the fan is...
6216685 Common venting of water heater and induced draft furnace  
A common, side-wall, Category III or Category IV-vented gaseous fuel-fired furnace and gaseous fuel-fired water heater system having a gaseous fuel-fired furnace having a furnace combustion...
6182654 Woodstove emission controller  
A woodstove emission controller for conveniently drawing emissions from the wood-stove so that the emissions do not enter the room where the wood-stove is located. The woodstove emission controller...
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...
6112741 Mid-efficiency furnace with multiple venting option  
A multi-category gaseous fuel-fired heating apparatus having a combustion chamber, a mixing chamber in fluid communication with the combustion chamber, and an induced draft blower in fluid...
6053163 Stove pipe thermoelectric generator  
A stovepipe thermoelectric generator. The unit fits in a stovepipe of a coal or wood stove. At least one thermoelectric module is sandwiched between a hot side fin unit with fins extending into the...
6053162 Balanced flue sealed vent terminal assembly  
The present invention is directed to a sealed vent terminal assembly intended for use in association with high-efficiency oil fired furnaces or boilers. The terminal assembly of the present...
6039041 Methods of fabricating a vent/intake system for a fuel-fired, direct vent heating appliance  
A sheet metal colinear-to-coaxial duct transition assembly for a fuel-fired, direct vent heating appliance is fabricated by providing a one-piece rectangular sheet metal plenum box having a rear...
6000391 Positive air flow ventilation system  
A ventilation system for urging flue gases from an exhaust source through an exhaust conduit has an exhaust outlet for venting the gases and an exhaust inlet communicating with the exhaust source....
5983885 Natural draft automatic feed pellet stove  
A natural draft, gravity feed pellet stove. The body of the stove is formed by a vertical section of large diameter pipe, with an air intake pipe extending from the back of the stove to below a...
5947110 Flue gas flow control  
The pressure pulsations caused by the flow patterns of flue gases entering a flue gas stack from a horizontal duct are eliminated or reduced by the installation of a partition plate in the stack...
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...
5732692 Vent damper  
An integral vent damper/hood apparatus for regulating draft in a flue of a hot water heater includes a damper support having a hemispherical dome, a congruent cylindrical portion with a plurality...
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...
5669374 Direct vent fireplace  
A direct vent gas fireplace is provided with a heat shield forming a combustion air expansion and distribution chamber covering a substantial portion of the upper surface of the firebox enclosure...
5505190 Barbecue grill  
A domestic barbecue grill is shown that has an exhaust manifold and smokestack in combination therewith that is operative to eliminate visible smoke particles and other combustible pollutants in...
5482028 Modular fireplace insert with movable manifold  
A fireplace insert for a fireplace cavity formed in a building with a fresh air inlet and a combustion gas outlet. The insert includes an enclosure dimensioned to be insertable within the fireplace...
5460162 Fireplace ventilation system  
Apparatus for ventilating a fireplace having a combustion chamber within the interior of a building comprising an enclosure defining an air volume and a fan unit for generating a constant negative...
5419307 Draft hood assembly  
A draft hood assembly and method are provided for installation of a gas fireplace insert to the flue pipe of a fireplace chimney. The insert is for connection between a gas fireplace insert and a...
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...
5394860 Method of connecting a heat exchanger to a forced air furnace and related valve  
A method of connecting a heat exchanger to a forced air furnace is described. Firstly, connect a valve to the hot exhaust gas outlet of a furnace. The valve has a generally "L" shaped valve body....
5341795 Inducer for condensing furnace  
An inducer (40) for causing a flow of combustion air into and gases of combustion through and out of a furnace (10) of the condensing type. The inducer is intended for use, without modification of...
5339797 Fireplace and method for cooling same  
A fireplace having a bottom wall, inner top wall, two side walls and rear wall defines a combustion chamber having a front opening. An outer top wall is disposed above the inner top wall. The outer...
5215075 Cooking system having an efficient pollution incinerating heat exchanger  
Odor/pollutants from cooking food products are collected and delivered to a plenum proximate the burner of a heat exchanger which serves the food cooker. The burner issues a flame into a combustion...
5014680 Self-powered automatic secondary air controllers for woodstoves and small furnaces  
A controller for automatically regulating the supply of secondary combustion air to woodstoves and small furnaces. The controller includes a movable air valve for controlling the amount of...
4896654 Pollution neutralizing woodburning stove  
This invention concerns a solid fuel stove, in particular a wood stove fitted with a device capable of neutralizing the polluting elements of burnt gasses and that comprises, in a conventional...
4875463 Stove top adapter  
A stove top adapter is provided which is constructed so that a collar is provided on the top side thereof whereby a pipe can be received to be vented through a full masonry chimney in order to...
4827900 Stove with external tubes for increasing heat dissipation  
A stove has a combustion chamber with front and rear ends. Fuel is fed into the front end and a chimney exhausts the products of combustion from the rear end. A multiplicity of tubes are external...
4793322 Direct-vented gas fireplace  
A zero clearance fireplace of the type to be installed inside of a building against or near an outside wall is provided. The box shaped fireplace is provided with four substantially vertical walls,...
4770158 Combustion with leakage resistant exhaust valve  
A combustor including a combustion chamber having two paths for removing combustion exhaust gases, a valve in one path, and means to provide, when the valve is in a closed position, pressure at a...
4757802 Power venter  
A power venter for connection to an appliance vent system to provide draft and gas flow and which has components mounted exteriorly of a building wall and components extending through the wall,...
4730598 Draft-assisting chamber  
A draft-assisting chamber is positioned between the combustion chamber and the flue pipe of a heating appliance so as to capture combustion gases in a quantity sufficient to initiate gas flow...
4633852 Method of dispersing exhaust gases  
A pulse combustion apparatus in which combustion air is brought into heat exchange relationship with the exhaust system of the apparatus for preheating the combustion air prior to entering the...
4628898 Secondary combustion system for wood burning stove  
A secondary combustion system for a wood burning stove employs an insulated passageway which is configured to substantially increase the turbulence of an exhaust stream passing therethrough. The...
4553526 Secondary combustion system for woodburning stove  
A secondary combustion system for a woodburning stove employs a concave shaped screen for dispersing exhaust gases. A mixing chamber is formed in an insulated conduit between the concave screen and...
4545360 Clean burning solid fuel stove and method  
A stove and method for burning solid fuels having an insulated primary combustion chamber, uniform distribution of preheated primary air through upward facing holes in a grate, downward flow of...
4487137 Auxiliary exhaust system  
An auxiliary exhaust system for use with a flue includes a conduit communicating at one end with an opening formed in the flue wall and a blower operable to introduce auxiliary air into the flue...
4455995 Heating stove with heat regulating system  
A circulating air wood burning heating stove/fireplace combination has a combustion chamber that is in the form of a shell defined by inner walls of the stove and a rearwardly disposed air outlet...
4424792 Induced draft system for residential heaters  
A heater without a chimney is installed inside of a residence. An induced draft system is installed outside of the residence. The heater exhaust gases are connected to the induced draft system with...
4411252 Wall protector and heat circulator  
The present invention comprises a linear element having openings in the upper surface, and which is closed at one end by a cap and at the other end by a fan unit which draws air from the room and...
Matches 1 - 50 out of 56 1 2 >