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4641631 |
Apparatus and method for burning a combustible gas, and a heat exchanger for use in this apparatus
An apparatus functioning as a high-efficiency water heater. This apparatus passes a combustible mixture of gas and air from an impeller into the hollow interior of a cylindrical gas burner. The...
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4633820 |
High-efficiency thermal group
A thermal plant comprises a clear blue flame burner and a multi-tank boiler of stainless steel. The burner has a nosepiece welded to the boiler and a rear portion removably fixed to the nosepiece....
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4590888 |
Water heater
A water heater having a burner unit and a combustion chamber from which the combustion gases are discharged and deflected into an annular out-flow space through which they flow along a heat...
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4545329 |
Water heater
A water heater is shown which has a water tank having a water inlet, a water outlet, and an opening in a sidewall of the tank. A combustion chamber assembly has a submergible portion which is...
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4510890 |
Infrared water heater
A fluid heater consists of a water tank, to the side of which is mounted an infrared burner which radiates heat at very high temperature, horizontally, against the side wall of the tank. Burned...
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4492185 |
High efficiency, reduced emissions water heater
Water heaters are provided which exhibit improved efficiency and emissions performance over conventional water heaters, comprising condensing heat exchanger means and infrared fiber matrix burner...
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4449484 |
Hot water supply system
A hot water supply system comprises a base of cylindrical shape; a storage tank supported on the base, the tank having an upper end plate and a lower end plate supported on the base and defining,...
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4444155 |
Sealed heat exchanger chamber with disposition of longitudinal water tubes concentrically disposed to a central burner
A gas-tight chamber for a heat exchanger has a shell (12) forming the gas-tight chamber made of a light flexible or semirigid material such as rubber or thin silicone-treated sheet material which,...
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4398502 |
Water heater with up-down flow flue
An efficiency and safety and economy-improved water heating system with a water-containing casing around a coaxially central upright flue having a combustion chamber at the bottom which is open for...
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4397296 |
Water heater with submerged combustion chamber
The water heater has a totally submerged combustion chamber disposed within the lower third portion of the tank. Top and side openings connect respectively to an upwardly extending flue pipe and an...
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4372290 |
Gas burner head with means for evacuating trapped water condensate
A generally concave-shaped gas burner head is provided with circumferentially spaced means on the periphery of top and bottom portions for enabling water accumulated therein due to condensation of...
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4328791 |
Gas supplemented solar collector storage means
The gas supplemented solar collector storage means includes a water tank having supply and return connections for circulating water from the tank to a solar collector and back to the tank. A...
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4301772 |
Water heating apparatus
A water heating apparatus includes a tank that contains the liquid to be heated and a casing serving as a combustion chamber disposed within the tank and extending slightly beyond the cylindrical...
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4203392 |
Heat exchanger
A heat exchanger in which a fluid maintenance tank has a spiral coil for heating the fluid therein. A source of heat is applied to the upper end of the spiral coil and the heat is caused to course...
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4172445 |
Storage tank heater
A tank heater for a storage tank is provided with a fuel fired burner assembly, a heat transfer tube extending from the burner assembly a substantial longitudinal extent within the storage tank for...
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3802397 |
WATER HEATER AND METHOD OF CONSTRUCTING THE SAME
A small, inexpensive water heater is disclosed, of the type which uses an atmospheric burner to heat the water, together with a method for making the same from lightweight sheet metal material....
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3768458 |
INSTANT WATER HEATER
An improved portable water heater for use in outdoor camping, with trailers, and pickup campers, etc. that will rapidly heat quantities of water efficiently and safely. Heat is generated by burning...
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3757745 |
DIRECT FIRED HEATING DEVICE
A direct fired heating device consists of a tank for containing the material to be heated and a pair of spaced elongated heat exchangers disposed in said tank with portions extending outwardly of...
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3738351 |
PORTABLE WATER HEATER
A portable water heater comprising a housing supporting a pump and heat exchanger in fluid communication between an inlet and an outlet conduit. Burner means, positioned to supply heat to the heat...
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3730166 |
APPARATUS FOR HEATING WATER BY MEANS OF AN OILBURNER
A means is illustrated and described for heating water with an oilburner, particularly for air conditioning units and the like. The combustion chamber is in contact with a water reservoir and is...
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3709198 |
LIQUID HEATER AND STORAGE MEANS
A portable liquid container and heater unit that will conveniently and quickly provide heated liquid. The unit combines a heater housing assembly in which liquid is heated and a detachable liquid...
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3709473 |
HEATING APPARATUS
Heating apparatus is provided for producing hot water or warm air which comprises an air blowing device, a compact combustion apparatus having a high load factor in which a combustion catalyst is...
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3665153 |
APPARATUS AND METHOD FOR HEATING WATER
An apparatus and method for heating water to generate steam or provide hot water. The water is heated by a conventional heat source and is simulataneously subjected to an electric field. In a steam...
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3527260 |
HOT WATER HEATER
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3349754 |
Heat exchange device
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3180322 |
Hot water storage tank with centrally suspended heating unit
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3028843 |
Gas water heater for trailers and houses
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2981250 |
Submerged combustion heating apparatus
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2911957 |
Resonant combustion apparatus
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2874683 |
Hot water tank flue construction
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2839048 |
Fluid heater
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2787318 |
Burner with tangential air admission and restricted throat
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