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8111980 |
Water heater and method of controlling the same
A water heater including a water inlet line having an inlet opening that introduces cold water to a tank, a water outlet line having an outlet opening that withdraws heated water from the tank, and...
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8033254 |
Submerged combustion vaporizer with low NOx
A submerged combustion vaporizer may include a premix burner with multiple integral mixers for forming premix and discharging the premix into the duct system that communicates the burner with the...
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7954459 |
Method and apparatus for vaporizing liquid
An apparatus and method for vaporizing liquid are provided which employ a plurality of rods disposed within a storage vessel that serve as the heat transfer element. While the plurality of rods are...
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7845314 |
Submerged combustion disposal of produced water
The present invention relates to a method of disposing of produced water and to a produced water disposal apparatus including a container for receiving and holding produced water; and a burner...
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7832365 |
Submerged combustion vaporizer with low NOx
A submerged combustion vaporizer may include a premix burner with multiple integral mixers for forming premix and discharging the premix into the duct system that communicates the burner with the...
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7455060 |
Startup burner assembly for snow melting apparatus and method of snow melting
A startup burner assembly for use in snow melting applications, and which permits initiation of snow melting without first supplying water as a coolant. The startup burner assembly comprises a fuel...
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7299769 |
Condensing gas fired water heater
A water heater is shown having a closed metal tank with an upwardly mounted combustion chamber and burner/blower assembly. Curved fire tubes convey the products of combustion from the chamber to an...
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7281497 |
Condensation heat exchanger with plastic casing
The invention concerns a heat exchanger comprising at least one helically bound bundle of tubes, whereof the thermally conductive wall has a flattened and oval cross-section, whereof the main axis...
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7168395 |
Submerged combustion LNG vaporizer
This invention discloses a method and device for vaporizing LNG with a submerged combustion vaporizer. The submerged combustion LNG vaporizer uses spiral tube heat transfer circuits and a submerged...
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6938582 |
Heat exchanging type boiler
The present invention relates to a heat exchanging type boiler that includes: a water retaining reservoir 10 in which a predetermined amount of water is charged; and a combustion chamber 33 for...
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6820818 |
High efficiency hydronic heat system
A high-efficiency hydronic heating system will make use of a direct-fired steam generator to directly heat the water in the hydronic heating system. The products of combustion, present with the...
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6772712 |
Energy system
A low-pressure energy system is provided that includes a combustion chamber immersed in water within an insulated container. Low-pressure air flow is introduced into one end of the combustion...
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6397786 |
Indirect damp generator
An indirect damp generator is arranged atop water to generate moisture. The indirect damp generator mainly comprises a floating carrier, a vapor generator arranged atop the floating carrier and a...
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6338337 |
Two-stage heat recovery for submerged combustion heating system
This invention relates to a novel two-stage heat recovery submerged combustion heating system. More particularly, this invention relates to a novel submerged combustion heating system with a...
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6293277 |
Sludge treatment system using two-stage heat recovery submerged combustion
This invention relates to a novel two-stage heat recovery submerged combustion heating system. More particularly, this invention relates to a novel submerged combustion heating system with a...
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6289852 |
Hot water and steam generating method and apparatus
Method and apparatus for heating water to one of a plurality of predetermined temperatures and for generating steam. A burner with a water jacket receives water from a pump which obtains water from...
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6223698 |
Device for producing hot water
The invention concerns a device for producing hot water comprising at least one burner (13) arranged to produce rapid combustion inside the combustion chamber. The combustion chamber consists of a...
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5816496 |
Gas fired humidifier
A compact fuel fired steam generating type humidifier. The apparatus uses a gaseous fuel as the prime source of heat to generate steam used to humidify air in the heating, ventilation and air...
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5799620 |
Direct contact fluid heating device
High efficiency heat transfer from hot gases produced by combustion of fuel and oxygen in a burner to usably heat is provided in a simple and effective manner. A burner within a water-tight casing...
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5749328 |
Boiler for heating a working fluid
A boiler for heating a working fluid includes a first module containing the hearth, a burner fed by said fuel gas, and an internal water circuit for wetting the hearth and creating a first level of...
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5735235 |
Method and system for heating a liquid
A direct contact gas-to-liquid method and system for heating a liquid with a burning source being wholly submerged and producing-power is disclosed. A liquid is heated by an internal combustion...
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5636623 |
Method and apparatus for minimizing turbulence in a submerged combustion system
This invention relates to a novel submerged combustion system. More particularly, this invention relates to a method and apparatus for minimizing turbulence in a submerged combustion system. The...
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5615668 |
Apparatus for cooling combustion chamber in a submerged combustion heating system
This invention is directed to a submerged combustion system comprising: (a) tank means for holding liquid, the tank means having a liquid inlet and a liquid outlet, and an exhaust gas outlet; (b)...
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5606965 |
Submerged combustion system
This invention relates to a novel submerged combustion system. More particularly, this invention relates to a novel submerged combustion system which can be installed singly or in combination with...
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5570681 |
Residential boiler/furnace with the intermediate water circuit
For transmitting a fuel heat energy to water or air the heating system performs the steps of producing fuel combustion products in a combustion chamber, sucking the fuel combustion products from...
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5271378 |
Plastic heating boiler with integral exhaust gas cleaning
The invention relates to a heating boiler in which a combined absorption and heat conveyor fluid (22) is heated by the direct contact with the exhaust combustion gas (20) of a fuel. This fluid (22)...
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5086731 |
Water heater
A gas fired direct contact water heater in which the heated water is led off from a reservoir in a lower part of the heater through an outlet conduit including a continuously running pump pumping...
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4719878 |
Installation for heating liquids at different temperature levels
The present invention relates to a process and installation for heating liquids at different levels of temperature, comprising a first vat containing a first liquid heated by an exchanger immersed...
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4685444 |
Process and equipment for heating a liquid without pollution of the environment
The lower section (9a) of a flame tube (9), in which a burner (11) generates a flame (F), protrudes into the water contents (W), which contains an absorbent, of a water tank (1). The hot combustion...
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4644905 |
Method of producing steam
Steam suitable for use in conventional apparatus is produced by burning hydrogen to oxygen to generate very high temperature steam which passes through a pool of water to cool it and produce...
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4604988 |
Liquid vortex gas contactor
A method and apparatus for contacting a flow of gas with a flow of liquid is provided. The liquid is introduced into a vortex sustaining container and flows through the container in a spiralling...
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4570612 |
Induced draft submerged burner
A method and apparatus for recovering heat from the combustion gas discharged from a submerged horizontal burner. The burner is at atmospheric pressure while an induction fan reduces the pressure...
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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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4377133 |
Cryogenic heater
An apparatus for heating a confined liquid medium having a closed vessel with a heat transfer liquid therein, a burner housing within the vessel submerged in the heat transfer liquid, a burner...
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4301773 |
Hydrodynamic induced draft and water cooled flue gas hot water heater
A hot water heater in which water is heated by passing it through a heat exchanging coil positioned in a tank filled with a heat exchanging liquid, such as water. Flue gases are drawn from a burner...
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4018216 |
Heat exchange apparatus
Heat exchange apparatus for raising the temperature of a subject fluid in which a fuel burner is located at least partially within a heat-exchange liquid and the subject fluid is passed through...
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3716045 |
HEAT EXCHANGER
A heat exchanger for cooling hot inert gases in a metal bath while producing steam in two serially arranged chambers each containing a metal bath and heat exchanging surfaces, the arrangement being...
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