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STAND BOILER (E.G., WATER HEATER, ETC.)

Subclass of:

122 - Liquid heaters and vaporizers

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
122140100 And condition responsive feature 77
122170100 Fluid fuel burner 54
122190100 Water containing chamber or external tank having circulation feature within 16
122190200 And casing feature for stand boiler or external water tank therefor 13
122150100 Heated by liquid or steam (e.g., indirect heating, etc.) 11
122160100 Solid fuel burner 7
122130300 And delivery means to dispensing feature 6
Entries
DocumentTitleDate
20090255487Water Heater Sealed Combustion Chamber Assembly - A fuel-fired water heater is provided with a combustion chamber assembly, representatively a sealed combustion chamber assembly, operative to create from combustion air delivered thereto via a circumferentially limited vertical side portion thereof a flow of primary combustion air to the underside of a centrally disposed fuel burner within the assembly via a first location underlying the burner, a first flow of secondary combustion air delivered to the burner via the first location, and a second flow of secondary combustion air delivered to the burner via a second location outwardly circumscribing the first location.10-15-2009
20090308331OXYGEN CONTROL SYSTEM FOR OXYGEN ENHANCED COMBUSTION OF SOLID FUELS - A combustion system and method for operating a combustion system, such as a furnace or boiler. The method includes providing a burner system having one or more burner elements configured to combust solid fuel and one or more oxygen providing devices configured to introduce oxygen into the near burner zone of one or more burner flames. A sensor is provided and arranged and disposed to measure a flame parameter in the near burner zone of the burner flame associated with one or more the burner elements. The flame parameter is measured with the sensor and an oxygen flow is determined in response to the measured flame parameter. Oxygen flow is introduced to one or more locations in the combustion system with the one or more oxygen providing devices.12-17-2009
20100107993ENERGY EFFICIENT INDUCED AIR GAS WATER HEATER - An energy efficient induced air gas water heater includes a water tank; a flue associated with the water tank; a burner that combusts a mixture that creates combustion products that pass through the flue; a blower that receives the combustion products from an outlet of the flue; a damper that movably covers and uncovers the flue outlet or an outlet of the blower, the damper being in an open position when the burner and/or the blower are operating and being in a closed position when the burner or the blower are not operating.05-06-2010
20090301406CONDENSING WATER HEATER - A flue system is provided for a water heater having improved heat exchange efficiency. The flue system includes an upstream heat exchange portion providing a first pass for heat exchange with water in the water heater. The flue system further includes a downstream heat exchange portion providing a second pass for heat exchange with water in the water heater and a blower positioned between the upstream heat exchange portion and the downstream heat exchange portion. The blower is configured to urge combustion products from the upstream heat exchange portion to the downstream heat exchange portion.12-10-2009
20090084328WATER HEATERS WITH COMBUSTION AIR INLET - A water heater includes a water container, a combustion chamber adjacent the, water container, a burner associated with the combustion chamber and arranged to combust fuel to heat water in the water container, a blower assembly positioned to receive combustion gases generated by the burner, a shield positioned below at least a heating portion of the burner, a diverter that directs combustion air into the combustion chamber below the shield, and a passageway that directs at least a portion of the combustion air from the combustion air inlet, as primary combustion air, to the burner.04-02-2009
20090235875CONDENSATION DRAINING SYSTEM FOR CONDENSING WATER HEATERS - A system and method for configuring a water heater to drain condensate from combustion products is provided. The water heater comprises a water tank, a burner for producing combustion products, a flue extending through an interior of the water tank to receive the combustion products, and an exhaust passageway positioned downstream of the flue and extending outside of the water tank to exhaust the combustion products. The exhaust passageway includes a first portion and a second portion positioned at an elevation above the first portion. A bypass conduit is coupled to the exhaust passageway and positioned to direct condensate in the exhaust passageway from the second portion toward the first portion. A drain port is positioned at or an elevation below the first portion of the exhaust passageway to drain condensate from the exhaust passageway.09-24-2009
20090013940Steam generator system - A steam generator includes a submersible burner compartment with at least one burner subassembly and an associated submersible primary ignition means. The burner subassembly also has an associated infrared primary flame monitoring subassembly. The primary flame monitoring system and primary ignition means are all housed within the burner compartment whereby when the burner compartment is filled with water, the burners are all submerged. The infrared flame monitoring subassembly is electronically coupled to a primary monitoring device and a fuel feed pipe is couple to the burner subassembly. A super heater compartment is coupled to and receives steam exhausted from the burner compartment. The super heater compartment has at least one burner subassembly located therein. An associated submersible secondary ignition means and an associated infrared secondary flame monitoring subassembly are provided for each burner subassembly. The burner, secondary ignition means and infrared secondary monitoring subassembly are all housed within the super heater compartment with the infrared subassembly electronically coupled to a secondary monitoring device.01-15-2009
20100031899WATER HEATER - A water heater apparatus includes an inner tank, an outer tank, heat bands disposed on the outside of the outer tank, an interior coil supplying water to the inner tank, and a heating element for heating water in the inner tank. The inner tank and outer tank are concentrically arranged with a labyrinthine passage in between, so that water spends an additional amount of time flowing in the passage while it is being heated by the heat supplied from the band heaters. The water heater apparatus can thereby provide heated water ready for delivery, as well as maintaining a start up heat.02-11-2010
20100101505TRANSITION ELEMENT FOR A PASSAGE IN A WATER HEATER - A water heater. The water heater includes a water tank adapted to contain water to be heated, a combustion chamber positioned proximate the water tank, a combustor positioned in the combustion chamber and operable to create products of combustion, a passage extending upwardly from the combustion chamber and through the water tank, the passage having an upper portion comprising an inner tube and an outer tube and a lower portion comprising an inner tube and an outer tube, and a transition element positioned in the passage and configured to direct supply air from the outer tube of the upper portion to the inner tube of the lower portion and deliver hot products of combustion from the outer tube of the lower portion to the inner tube of the upper portion, the transition element maintaining separation of the supply air and the products of combustion.04-29-2010
20090283057Hot-Water Supplying System of Boiler Equipped With Dual Pipe Heat Exchanger - Disclosed is a hot water supplying system of a boiler equipped with a double pipe heat exchanger, which can normally perform a heating operation in the boiler having the double pipe heat exchanger, in which an outer pipe used for a hot water pathway and an inner pipe used for a heating water pathway are installed, under a circumstance where water supply is stopped. The hot water supplying system includes: a double pipe heat exchanger including an outer pipe to which combustion heat is directly transferred from a burner of a combustion chamber; a cold water pipe for supplying water to the outer pipe of the heat exchanger; and a hot water supplying pipe through which water is discharged from the outer pipe of the heat exchanger, wherein a backflow cutoff valve and a pressure absorbing device are mounted on the cold water pipe. The hot water supplying system is provided with the backflow cutoff valve and the pressure absorbing device, thereby normally performing an operation of heating rooms under a circumstance where water supply is interrupted.11-19-2009
20080210177DUAL FUEL AIR CONDITIONING CIRCUIT-BASED WATER HEATER - A fuel-fired water heater is coupled to an electrically powered air conditioning refrigerant circuit in a manner permitting water to be heated with either combustible fuel or electricity. In one embodiment a condenser piping section is externally coiled around the water heater tank, in direct thermally conductive contact therewith, and in another embodiment the condenser piping section is disposed in the interior of the tank and is coiled around the water heater flue in a laterally outwardly spaced relationship therewith. In various depicted arrangements thereof the other refrigerant circuit components are compactly supported on the water heater.09-04-2008
20080264353Water Heating Device - A water heating device including at least two water tanks. In the first water tank water is heated by a heating element. The intermediate water tank is located above the first tank, and feeds colder water into it, through a pipe. In some embodiments a condenser of water vapour is connected to the intermediate tank. A water discharge tap for hot water drains the first tank.10-30-2008
20100212603BOILER - An amount of scale adhering onto inner surfaces of water tubes in any one of various boilers including a steam boiler, a hot water boiler, a waste heat boiler, and an exhaust gas boiler is accurately known by providing a temperature sensor at an appropriate position of the boiler. A plurality of water tubes (08-26-2010
20100212602Valve Shank Mount Assembly for a Water Heater - A shank mount assembly for a water heater that includes an annular nipple having an opening, the nipple configured to removably attach to an opening in a water heater tank. The shank mount assembly further includes an annular shank mount having an opening, the shank mount configured to removably attach to the nipple, wherein the shank mount is further configured to attach to a gas valve assembly.08-26-2010
20120240868BOILER - A boiler has a plurality of inner heat-transfer tubes which makes up an inner heat-transfer tube row, and a plurality of outer heat-transfer tubes which makes up an outer heat-transfer tube row. Inner fins project from each of the inner heat-transfer tubes on an outer circumferential side of the inner heat-transfer tube row. Outer fins project from each of the outer heat-transfer tubes on an inner circumferential side of the outer heat-transfer tube row. An inner row communicating portion is provided in a lower end portion of the inner heat-transfer tube row. An outer row communicating portion is provided in an upper end portion of the outer heat-transfer tube row. An inner-fin absent region is provided in a lower end portion of each of the inner heat-transfer tubes. An outer-fin absent region is provided in a longitudinally middle portion of each of the outer heat-transfer tubes.09-27-2012
20100180834HEAT EXCHANGER - Heat exchanger (07-22-2010
20120103279METHOD AND APPARATUS FOR DRAINING CONDENSATE FROM A GAS WATER HEATER EXHAUST SYSTEM - A method and apparatus for conveying condensate from an exhaust system of a gas water heater to a drain. The method includes the steps of operating the gas water heater to produce products of combustion, operating a blower to cause the products of combustion to flow through the exhaust system to atmosphere, allowing condensate from the products of combustion to form within the exhaust system, using a drain conduit to connect a relatively high pressure zone of the exhaust system to a relatively low pressure zone of the exhaust system, using a pressure differential between the relatively high pressure zone and the relatively low pressure zone to convey condensate through the drain conduit from the relatively high pressure zone to the relatively low pressure zone, and conveying condensate from the relatively low pressure zone to the drain.05-03-2012
20110180019RAPID HEATING WATER STORAGE WATER HEATER STRUCTURE - A rapid heating water storage water heater structure, structured mainly from a main body, two sides of which and a rear portion are fitted with hollow and interlinked water storage tanks, and a central position is provided with a holding space, which is fitted with circuitous bent pipe bodies. Fins of appropriate size are respectively fitted in gap positions between the pipe bodies, the upper portion of which is connected to a storage tank connected to the water storage tanks through a plurality of water channels, and a lower portion of the pipe bodies is fitted with a burning device used to heat the pipe bodies to produce hot water. Water within the water storage tanks is simultaneously heated and the heat retained. Accordingly, the next time hot water is required; functionality to rapidly raise the temperature of the water is achieved, and further achieves the objective of conserving energy.07-28-2011
20130199460CONDENSER FOR WATER HEATER - A water heater comprises a tank, a cylinder coil section and a return-flow coil section. The cylinder coil section is in a heat transfer relationship with the tank and encircles a first portion of the tank. The return-flow coil section is in a heat transfer relationship with the tank and encircles a second portion of the tank. The cylinder coil section and the return-flow coil section are continuous over at least the first and second portions of the tank.08-08-2013
20120073518WATER PURIFIER - A water purifier includes: a purified water tank storing purified water; a hot water tank connected to the purified water tank to receive the purified water from the purified water tank and including a heater heating the received purified water; a manipulation unit through which an extraction amount of hot water is inputted; and a control unit performing a control to supply the purified water of the purified water tank to the hot water tank by the extraction amount of hot water, when the extraction amount of hot water is inputted to the manipulation unit, and operating the heater to heat the water of the hot water tank. According to the present invention, the power consumption of the water purifier decreases in comparison with a conventional water purifier. Furthermore, it is possible to provide an accurate amount of hot water to a user without using a water level sensor.03-29-2012

Patent applications in class STAND BOILER (E.G., WATER HEATER, ETC.)

Patent applications in all subclasses STAND BOILER (E.G., WATER HEATER, ETC.)