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Document |
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8156931 |
Direct vent cap
A vent cap for a direct vent system. The cap may include a base plate and a semicircular outer housing secured to the base plate. A divider is coupled within the outer housing, with the divider...
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7766731 |
Exhaust gas chimney
An exhaust gas chimney, especially an exhaust gas chimney installed directly downstream of a gas turbine or downstream of the waste heat recovery boiler of a gas turbine, includes an inner shell...
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7757686 |
Vent assembly for combustion gases generated by an appliance
The combination of a vent assembly with a conduit assembly bounding a flow space into which discharged combustion gases are exhausted. The conduit assembly has a first conduit length in which: a)...
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7490600 |
Break-apart assembly for supporting an exhaust flue and providing a cumbustible materials top and a fire stop
An exhaust flue support apparatus has an elongate flue mounting plate incorporating at least one longitudinal strengthening bead. The mounting plate engages, by break-off tabs, a securing strap, a...
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7069925 |
Pressure relief system for a gas fireplace
A pressure relief system for a gas fireplace. The pressure relief system has a flue pipe with an opening in its side. A pressure relief plate is coupled to the flue pipe so that it is movable...
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6647977 |
Termination unit for a coaxial flue pipe
A termination unit for a through-the-wall horizontal vent of a gas combustion device having a combustion chamber and a burner, is described. The termination unit comprises a wall mounting plate...
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6634352 |
Direct venting vent pipe
A venting system for a direct vent fireplace or other direct vent appliance to direct combustion gases to an exterior area. The direct venting vent pipe facilitates unrestricted lengths of pipe...
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6606986 |
Barbeque grill with retractable ventilation system
A barbeque grill including a lower housing, heating means and food support means positioned within the lower housing, an upper housing or hood adapted to enclose the lower housing, a smoke exhaust...
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6543437 |
Drafthood adapter assembly particularly for stoves and fireplaces
A drafthood assembly for inclusion within a vent stack for a direct venting stove or fireplace, converting the direct venting stove or fireplace for use with a natural venting flue. The assembly...
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6463926 |
Direct vent fireplace with baffled, directional exhaust and vent air column
A direct vent gas fireplace has an angled flue pipe that can be directed horizontally out of the back of the fireplace or vertically out of the top of the fireplace, a baffle that conceals an...
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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 stack...
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6237587 |
Woodburning fireplace exhaust catalytic cleaner
Pollutants in the exhaust from wood burning in a fireplace are removed by positioning reticulated foam between the smoke chamber and the flue. The reticulated foam is a three dimensional...
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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...
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6213118 |
Oven vent tube
A vent tube has an open end adapted to communicate with an oven chamber. A catalyst is retained in the vent tube by two sets of abutments. In one embodiment, the abutments are in the form of tabs....
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6138666 |
Direct fired outdoor heater and heating method
A heater includes a housing having an angled top, a fan having a discharge disposed parallel to the angled top of the housing, and a baffle for laminarizing airflow through the heater. The heater...
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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...
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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...
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6026803 |
Coupling with built-in gasket and mechanical locking device
The present invention discloses a coupling for use in vent systems which is self-sealing. The coupling includes a gasket in a female part of the coupling that seals against an end of a male part....
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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....
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5997295 |
Inlet/exhaust structure for an outdoor furnace
An all weather inlet/exhaust structure (32) for an outdoor furnace (10,12,14) includes a generally rectangular upper compartment (40) having an imperforate upper wall (42) and horizontally...
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5960787 |
Gas appliance combustion systems
Required blower power in an induced draft combustion system is reduced by recovering pressure from dynamic energy of flow of combustion products. To this end, the outlet duct is diverged gradually,...
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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...
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5931155 |
Open fireplace
An open fireplace which includes a fuel supporting device (16) that enables the fire (10) to be seen from all directions. An essentially vertical smoke duct (7) is disposed so that its bottom...
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5762062 |
Fireplace vent
A fireplace vent of the direct-vent type comprises two telescoping sections each having outer air intake housings and inner exhaust housings. One section has an adapter configured to communicate...
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5752500 |
Draft hood locating device for combustion apparatus
A draft hood is provided for mating alignment with a fireplace assembly. The mating alignment is facilitated by the location of alignment hardware fixed to the rear surface of the fireplace and to...
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5742108 |
Vehicle generator having duct cover
A vehicle generator has a duct cover for coding the generator body with a structure in which either one of the duct cover or a duct can be adjustably rotated in a circumferential direction of a...
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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...
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5666942 |
Flue insert to control exhaust gases
A flue insert which includes a helical vane having an open center axial area and means for mounting the helical vane within a furnace flue stack. The helical vane rotates counterclockwise, i.e. it...
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5651732 |
Leak-proof venting system
Flue sections and an airtight venting system being made therefrom by connecting in line the flue sections. The flue section has a pair of opposite ends of circular cross-section one of which called...
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5611331 |
Fireplace
A fireplace, comprising an inner jacket and an outer jacket defining an air circulation path therebetween, is provided with a smoke chamber convection wall and a baffle convection wall oriented so...
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5566667 |
Smoke filter with automated clogging prevention for open-hearth fireplaces
This invention discloses a filter-and-fan assembly that can be installed into new fireplaces or retrofitted into existing fireplaces, for filtering dust and smoke out of the hot exhaust gases that...
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5445137 |
Backpacking stove for tent use
A lightweight, portable cooking unit for use in tents is disclosed. It is designed for use in the mountains, where lightweight equipment is essential. The unit will fit in a backpack when...
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5421774 |
Exhaust vent adapter for use with multiple heating units
An exhaust vent adapter is provided for use in a heating system having a plurality of heating units, which allows all heating units to discharge combustion gases through a single exhaust opening....
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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...
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5315984 |
Through the wall insulated flue
A through the wall insulated flue for low temperature venting of radiant heat from igniting combustibles produced by wood pellet, kerosene, fuel oil appliances such as stoves and hot water heaters....
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5311930 |
Heat reclamation device
A device for reclaiming waste heat from cooking appliances. The device includes a baffle through which exhaust from the cooking appliance flows, an inlet for receiving exhaust from the cooking...
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5253636 |
Apparatus and method for controlling grease build-up in cooking vent ducts
Method and apparatus for controlling grease build-up in cooking vent ducts that includes installing a heat resistant close fitting custom built duct liner and periodically removing, cleaning, and...
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5249567 |
Modular fireplace assembly
A fireplace assembly is disclosed which provides a simplistic assembly technique that enables construction of numerous different fireplace models with a minimum of unique parts. These can be...
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5165732 |
Gas appliance connection
A combination of metallurgical and vent engineering design solutions that result in a superior product, lower installed cost, and corrosion-free performance for venting modern fan-assisted gas...
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5140974 |
Trash burning barrel cover
A cover for preventing unwanted fires starting by burning embers of refuse being burned in a barrel is formed by an irregular cone shaped base truncated by a substantially rectangular upstanding...
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5105796 |
Solid fuel cooker
A solid flue cooker is provided and consists of a charcoal burning stove having a firebox and a cooking top, a plurality of legs for supporting the stove, a flue attached to a rear outlet of the...
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5016613 |
Fireplace top wall assembly and cooling system
A fireplace and top wall assembly is disclosed. The top wall assembly includes primary and secondary aligned flue outlet assemblies that form between them a primary air conduit and a secondary flue...
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5012793 |
Power vented direct vent system
A power vented direct vent system for a fuel-burning appliance wherein a power venter is associated with a vent pipe to create adequate draft for combustion. Outside air is supplied to the...
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5000161 |
Smokestack having reduced IR emission
An aircooled smokestack. The smokestack has passages within it for air or her cooling fluid. The fluid circulates through the smokestack, cooling off the internal and external surfaces. The cooling...
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4984558 |
Large-burner stove with high heat exhaust ducting
A stove suitable for large-burner cooking generating a high heat exhaust has an enclosed stove casing with an upper cooking surface, a hollow interior, and a burner well recessed into the interior...
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4953535 |
Flue control device
A device for adjustably restricting the flow of exhaust gases in a furnace flue to conserve fuel is disclosed. It comprises two interlocking pipe sections and a helical element having one end fixed...
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4947826 |
Chimney and fireplace construction
Elongated, vertical air chambers having an open upper end and a closed lower end are located within or attached to the walls of a fireplace, where the upper ends open only into the interior of the...
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4913127 |
Fire resistant duct access door for cooking equipment exhaust systems
An access door (10) for cleaning grease from duct runs (26) in exhaust systems for kitchen cooking equipment (16). The access door (10) includes a collar (32) which is mounted at a selected...
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4898154 |
Adjustable fitting for fireplace insert flue connection
An adjustable fitting for directly connecting a wood burning insert for a masonry fireplace to a vent pipe positioned within a flue liner of the fireplace chimney is made up of an insert connector...
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4896655 |
Versatile heater for under-blanket heating, tent heating, and food heating
A portable heating system operable in three modes; an under-blanket heating mode, a tent heating mode, and a food heating mode. In the under-blanket heating mode, one or more users cover themselves...
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