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Document Title |
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7082942 |
Wood burner with improved emissions
A wood burner includes a wrapper. A firebox is positioned in the wrapper that defines a combustion chamber. An air inlet is placed in communication with an external air supply. The air inlet...
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6766798 |
Supplemental air directing extension frame for a fireplace
A supplemental air directing frame for a fireplace ( 10 ) is provided where frame ( 10 ) includes an upper channel ( 12 ), a pair of sidewalls ( 14 ) and a pair of front panels ( 16 ). Upper...
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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...
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5009219 |
Heating device
The invention relates to a heating device. A first object of the invention is to embody a heating device with a combustion space having at least one free side, such as an open hearth, or optionally...
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4964397 |
Fireplace construction
In a fireplace unit having an open sided firebox formed by opposed side walls, a top wall, a bottom wall, a rear wall, and a connection in the top wall to an exhaust flue, the present improvement...
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4909227 |
Direct top venting high efficiency fireplace
The fireplace has a coaxial vent directly venting the exhaust gas through its top. The fresh air is directed through an outer jacket of the coaxial vent to a chamber located between the firebox and...
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4829914 |
Combustion furnace with proportional underfire/overfire air intake control
A solid fuel combustion chamber combusts the fuel utilizing underfire and overfire air. Both the underfire and overfire air derive from a common intake port, with a controllable vane determining...
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4807589 |
Draft operated fireplace insert
A draft operated fireplace insert may be used to circulate heated air from one room to another or from the exterior of a building into the interior. The fireplace insert is fitted so that a set of...
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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,...
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4691686 |
Gaseous flow control for combustion devices
An intake air pathway for a wood-burning stove is provided with a control mechanism which automatically responds both to changes in temperatures for controlling the amount of intake air flowing in...
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4629114 |
Heater device control
The present invention provides a heating device including a combustion chamber for burning a selected fuel where the combustion chamber is at least partially surrounded by air heating plenums...
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4621610 |
Solid fuel heating apparatus
A solid fuel heating apparatus has combustion air supplied in a controlled manner by a manifold. The manifold has a first branch that directs combustion air to the interior of the fuel ignited...
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4574774 |
Fireplace accessory
A fireplace accessory serves as a combustion efficiency improvement device. The structure is a tubular element open along a front side and in the form of an arch lying upon its side for partially...
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4553528 |
Free-standing stove and fireplace apparatus
Free-standing stove/fireplace apparatus includes a plurality of heated air chambers disposed about a firebox and flue, with air intake and air outlet passages located at various heights for the...
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4434783 |
Controlled fireplaces for concurrently varying combustion air and convected air
Convected air from the room to be heated enters two first air spaces (10) through two front inlets (12) and circulates through passageways (13) between inner and outer casings forming the fireplace...
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4426994 |
Heating fireplace and heat exchanger for a heating fireplace
The floor of the furnace space [fire chamber] of the heating fireplace is constituted by a horizontal, flat part (7) and the rear wall of the furnace space is constituted in part by a vertical,...
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4404954 |
Fireplace furnace
A fireplace furnace for the hot air heating of a room is disclosed. The fireplace furnace in a particular embodiment has an enclosed primary combustion chamber and a primary air supply for the...
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4349009 |
Combustion air system
Air circulation and supply means for a heat generator, primarily a fireplace. The fireplace has air supply and discharge passageways such that an envelope of moving air is provided around both the...
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4304215 |
Fireplace heating unit
A fireplace heating unit having a stainless steel firebox mounted within a double-walled housing, the firebox and housing being constructed and arranged to provide an inner air chamber...
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4303056 |
Fireplace closures
A fireplace closure containing means for supplying an additional amount of air to assist combustion of the logs, coal and the like in the fireplace grate at the time a fire is first started. The...
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4291670 |
Gas fired fireplace insert with heat extractor
A combination glass door fireplace closure and heat exchanger which can be inserted into the cavity of a gas fired fireplace to permit more efficient and economical operation thereof. The insert...
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4285326 |
Fireplace construction with adaptable combustion air inlet
A prebuilt fireplace construction for installation in a living space includes a housing, a firebox within the housing with an open forward side adapted to be sealed by glass doors, an outlet for...
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4282855 |
Fireplace screen system
The invention relates to a fireplace screen system which includes a single and/or multi-section fireplace screen made of one or more glass panels which are laterally spaced apart to provide a heat...
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4280474 |
Heat hugger
A fireplace insert is disclosed which will efficiently heat the interior of a structure, enable control of fuel burn rate and temperature of heated air directed into the interior structure, and...
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4280473 |
Fireplace having outside air supply
An outside air system and combustion chamber closure assembly for use with a fireplace which provides means for supplying sufficient amounts of cooling air between the burning fuel and the closure...
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4271815 |
Prefabricated fireplace for permanent installation
A prefabricated fireplace, largely made of metal, is provided for permanent installation in a house or similar structure. The fireplace is completely self-insulated so that it does not require any...
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4230092 |
Method and apparatus for improvements in convective heating
The efficiency of a convective heating system employing an elongate firebox is dramatically increased by, inter alia, increasing combustion zone volume to approach that of the firebox and...
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4224921 |
Fireplace with air control dampers
A fireplace includes a controlled external air intake and means to preheat this air during its passage to the firebox through a heat exchanger system. This heated air also passes into the room in...
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4195618 |
Fireplace venting system
A fireplace venting system wherein the opening to the combustion chamber is provided with a manifold extending across the top and at opposite sides of the opening. The manifold is provided with a...
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4184473 |
Improved mobile home heater
The specification discloses a mobile home heater taking combustion air from the outside and operable selectively as a stove and a fireplace and being double walled in its back sides and bottom. In...
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4179065 |
Circulating air building heating system
A circulating air building temperature control system includes a pumped air circulation conduit for distributing controlled temperature air throughout the building and collecting return air, and a...
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4169458 |
Zero clearance fireplace type heating device
An efficient zero clearance fireplace heating device is disclosed. The device includes a conventional metal firebox having closeable glass doors and a flue adapted to communicate with a chimney....
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4141336 |
Fireplace stove
A fireplace stove that is quickly and easily installed in a conventional fireplace with little or no modification of the fireplace or chimney comprises a firebox that is shaped and dimensioned to...
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4089320 |
Fireplace for mobile home
A fireplace construction is provided including a hollow base and a firebox having interconnected opposite side, rear and bottom walls is mounted on the base and includes an open front side. Closed...
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3190281 |
Fireplace flue construction
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