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6021775 |
Mobile home furnace
A compact gas combustion furnace includes a substantially rectangular casing having an interior defined by a plurality of compartments. A draft inducer is mounted above the heat exchanger...
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5992410 |
High-efficiency furnace for mobile homes
An improved high-efficiency furnace for use with manufactured housing has a modular heat exchanger assembly having a drum and a plurality of serpentine shaped tubes. A burner extends at least...
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5799646 |
Curved inshot burner and method for vent-within-casing furnace
A heating apparatus for delivering heated air to an enclosure comprising a casing with at least two compartments separated by a panel. A burner with an arcuate profile is located within a first...
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5765544 |
Flow-through humidifier for mobile home furnace
A humidifier for use with counter- or down-flow furnaces such as those traditionally found in mobile homes. The humidifier includes a louvered tip-out access door, behind which is housed a drawer...
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5586932 |
Environmental control airhouse with variable output
An airhouse for supplying conditioned air to the interior area of an enclosed building. The airhouse incorporates one or more blowers having variable speed controllers enabling them to be operated...
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5437263 |
High efficiency furnace method and apparatus
An upflow/downflow high efficiency furnace includes a means for mounting a secondary heat exchanger by use of a hinge member, which permits the furnace to be installed in either an upflow or...
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5417199 |
Heating apparatus convertible for upflow or downflow operation
A combustion furnace is provided which is convertible in the field for upflow or downflow operation. The furnace includes a cabinet in which a burner, heat exchanger, air blower and combustion gas...
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5376045 |
Twin blower airhouse
An airhouse for supplying conditioned air to the interior of an enclosed building. Matched twin blowers symmetrically arranged within the airhouse enclosure are operated in unison to insure a...
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5368012 |
Wall furnace with side vented draft hood
A wall furnace is disclosed in which a secondary heat exchanger is provided to maximize the heat transfer efficiency of the furnace. The secondary heat exchanger faces the room to be heated but is...
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5309892 |
Blower deck for upflow or downflow furnace
An upflow or downflow furnace comprising a housing; a heat exchanger section in the housing, a blower section in the housing, and a blower deck in the housing having an upward side and a downward...
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5290188 |
Inlet and damper system for airhouses
Airhouses for supplying conditioned air in controlled amounts to the interior of large enclosed buildings. An improved air inlet, burner and damper construction adapted for utilization with both...
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5199416 |
Hot air heat exchanger
A hot air heat exchanger comprises a heat exchanger housing having a floor, which is essentially formed by a ceiling of an outer chamber and has at least one heat exchanger pipe extending from the...
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4950871 |
Arrangement for heating rooms uniformly trough the equalization of the temperature distribution between the ceiling and the floor regions
An arrangement for the uniform heating of a room, especially a living room, by equalization of the temperature distribution between the ceiling and floor of the room. The arrangement includes at...
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4924848 |
High-efficiency furnace for mobile homes
A furnace utilizing, in the upper portion of its cabinet, a blower acting downward through a separator opening to circulate room air past a combustion chamber whose gases flow upward through a...
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4836183 |
Rotary body room air heater
A heater is adapted to provide heat for heating a room by effecting heat exchange in a heat section which is between combustion and ventilation sections. The heat exchange section comprises a...
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4784110 |
Wall furnace
The heat exchanger of a gravity flow wall furnace defines a tortuous, mostly vertical path for the combustion gases to improve heat transfer to the room. The gases are directed upwardly in a...
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4633851 |
Portable hot air circulator
A portable hot air circulator comprises concentrically mounted cylindrical members, the inner member being closed at its upper end to form a cup-like structure designed to mount over a conventional...
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4557249 |
Compact high efficiency furnace
This invention relates to a compact high efficiency furnace having a cylindrical combustion chamber and a fin and tube type heat exchanger substantially parallel, transverse to the furnace air...
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4548194 |
Fuel stoker and furnace
A furnace having a primary heat exchange unit also providing a combustion chamber, a secondary heat exchange unit connected by an upper crossover conduit to the primary heat exchange unit, and a...
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4541561 |
Heating equipment and method of operating same
The heating equipment includes an auxiliary heating apparatus having a space heater mounted within an air recirculating furnace system for heating air therein. A thermostat responds to a first...
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4478206 |
Furnace having water vapor-condensing secondary heat exchanger
A compact secondary heat exchanger, installed above the preliminary heat exchanger in a down draft-type gas burning furnace, so greatly reduces combustion gas temperature as to recover a portion of...
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4396001 |
Combustion device
A combustion device has a negative pressure combustion burner and an ejector air flow generating mechanism and is designed so that the warm air flow rate is approximately proportional to the...
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4392478 |
Portable heat circulation means
A heat circulation device is provided which is portable to be usable placed upon conventional space heaters and particularly upon kerosene fueled heaters which includes a plenum housing adapted to...
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4325430 |
Heat recapture device
A heat recapture device for attachment to a furnace or fireplace exhaust flue is disclosed. Duct work in the device allows ambient air to be warmed by combustion exhaust gases. Air thus heated may...
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4302663 |
Control system for a heater
A space heater having two heating elements and a motor/fan combination for circulating air over the heating elements to supply heated air to an environment includes a system for controlling the...
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4256082 |
Warm air furnace
A warm air furnace including a plenum, a blower, heat exchanger disposed within the plenum and an air distribution chamber. The heat exchanger includes an encasement surrounding a plurality of...
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4217877 |
Energy-saving forced-air furnace
The specification discloses a novel energy saving forced-air furnace. In contrast to previous forced-air furnaces, which ran only on gas or oil and in which approximately half of the energy derived...
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4205653 |
Downflow furnace assembly
A downflow furnace assembly having a combustible floor base including a pair of parallel side rails, a pair of parallel, variable length cross rails, and integral spacing flanges, and a method of...
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4171773 |
Fire jet air displacement heat exchanger device
The invention is comprised of a heat exchanger around the exhaust stack of any combustible fuel-burning system and also around the outside of any fuel-burning device; each heat exchanger filled...
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4114012 |
Microwave furnace
A microwave furnace having an impervious housing with an inlet and an outlet and a fan or blower for inducing within the housing a moving air stream. Supported within the housing within the air...
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4110600 |
Thermostatically controlled plural heat output portable electric space heater
A portable electric space heater has a case that surrounds separate electric heating elements, and the case has separated upper and lower airflow openings. A control switch allows manual selection...
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3985115 |
Hot air furnace
A hot air furnace includes a cylindrical combustion chamber with enclosed upper and lower ends. A plurality of apertures are formed in the lower end of the combustion chamber wall through which...
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3965885 |
Heater for large flows at low pressure losses
This disclosure teaches a heater which is especially well suited to handling large flows of a process stream at low pressure losses. A cylindrical sleeve, having a first end and a second end, is...
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3889653 |
Wood burning heater
A wood burning heater including a combustion chamber sealed except for top air inlet and outlet openings, a blower operable to introduce air into the inlet to produce a horizontal vortex of air...
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3880140 |
ROOM HEATER
A room heater consisting of an air plenum chamber surrounding a combustion chamber, and a blower operable to direct room air admitted at the top downwardly through said plenum chamber, and then...
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3672349 |
MOBILE HOME AIR CONDITIONING UNIT
A mobile home air conditioning unit having a mounting structure whereby the unit can be mounted in a mobile home with a base assembly oriented relative to the circulating air duct work and an...
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3656470 |
BASE ASSEMBLY FOR MOBILE HOME FURNACE
A base assembly for a downflow mobile home furnace provides an upper compartment for an air cooling coil, and a smaller base compartment, connecting duct means extending through the lower...
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3601116 |
MOBILE HOME FURNACE WITH AIR CIRCULATOR OUTLET MEANS
A compact sealed combustion furnace adapted to be mounted within a closet or alcove of a mobile home is equipped with a downflow air circulator or blower characterized by auxiliary air outlet means...
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3614949 |
MOBILE HOME FURNITURE WITH MAKE-UP AIR SUPPLY MEANS
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3359966 |
Oil furnace having compartmented air handling systems
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3358675 |
Wall furnace
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3311155 |
Sealed combustion gas furnace
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3283753 |
Subbase for hot air furnace
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3270738 |
Recessed roof-mounted heater
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3236454 |
Sealed combustion central heating system
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3228458 |
Control apparatus
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3120225 |
Wall furnace
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3082758 |
Balanced draft space heater
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3067735 |
Furnace suitable for trailer installation
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3064638 |
Furnace
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