Class / Patent application number | Description | Number of patent applications / Date published |
122020000 | SUBSIDIARY | 11 |
20090095235 | HEAT EXCHANGER FOR A COMBINED BOILER, AND COMBINED BOILER USING SAID HEAT EXCHANGER - An instantaneous heat exchanger for heating sanitary water in a combined boiler has a casing defining a chamber for a first fluid, within which there extends a conduit or tubing for a second fluid. At least one of the chamber and the conduit has a substantial capacity of containment of the respective fluid, preferably between three and six litres, and the heat exchanger is pre-arranged for hydraulic connection to a standardized connection assembly for an ordinary plate-type heat exchanger for a combined boiler. | 04-16-2009 |
20090090310 | Heating System - A heating system comprising a fuel burner in co-operation with a primary heat exchanger, a reservoir for storing warmed water in, and a blending valve, and a controller wherein in use a user can signal to the controller to warm the water in the water store using a heater or by the primary heat exchanger, and when hot water is required water is removed from the water store and mixed with water from a cold main prior to being or after the water from the cold main has been admitted to a further heat exchanger for heating the water. | 04-09-2009 |
20080282996 | Reverse-Flow Condensing Economizer And Heat Recovery Method - A condensing heat exchange economizer wherein upwardly flowing hot flue gas is redirected to flow in a downward direction over a bundle of heat exchange tubes carrying a counter-flowing heat exchange medium to form condensate and cool the flue gas, and the condensate is forced by gravity to flow in the downward direction. The economizer may be in the form of a cylindrical economizer adapted for insertion in an exhaust stack for flue gas. The cooled flue gas may be redirected to flow in an upward direction and merged with a primary flow passage leading to the stack. | 11-20-2008 |
20100126432 | Heat recovery device - A heat recovery device, particularly for reducing energy consumption in heating sanitary water for residential use or for industrial use by reducing the temperature of the combustion gases and of the particles dispersed by stacks of heating boilers. The device consists of a tubular element, which has an inlet for the water drawn from the aqueduct, which flows along a coil of tubes up to the exit toward the heating boiler. The tubular element also has an opening for the inflow of the combustion gases that arrive from the heating boiler and exit through a second opening after flowing around the coil that contains the water drawn from the aqueduct. The device thus allows savings in heating water for domestic and industrial uses and also allows a reduction in the emission of fine particles. | 05-27-2010 |
20100212606 | Energy recovery apparatus - An energy recovery apparatus for heating or industrial systems that entail the combustion of products, comprises a tubular element, which is arranged at a portion of a stack or flue and is provided with a delivery for feeding water for scrubbing exhaust gases. The tubular element has an outlet for collecting the treated water that can be conveyed to a heat exchanger. The apparatus allows reduction of the emission of particulates and pollutants into the environment and makes it possible to achieve a reduction in the temperature of the exhaust gases as well as heat energy recovery. | 08-26-2010 |
20100212607 | Energy recovery device - An energy recovery device particularly for heating or industrial systems that entail the combustion of products, comprising a tubular element, which is arranged at a flue or stack and has a coil which is perforated along its extension. The coil is connected to a delivery tube for the treatment water for scrubbing the exhaust gases. The tubular element has an outlet for collecting the treatment water, which can be conveyed to a recuperator/heat exchanger. The device makes it possible to reduce the emission of particulates and pollutants into the environment and reduces the temperature of the exhaust gases besides allowing heat energy recovery. | 08-26-2010 |
20120192813 | WATER HEATING SYSTEM - A water heating system includes a burner assembly for providing a source of thermal energy to a heat exchanger. A water inlet conduit is coupled to the heat exchanger assembly for supplying fresh water to be heated, and a water exit conduit is coupled to the heat exchanger assembly for delivering the heated water to a point of use. A bypass conduit connects the water exit conduit to the water inlet conduit, and a pump disposed in the bypass conduit circulates at least a portion of the heated water from the water exit conduit to the water inlet conduit. A feed-forward sensor positioned in the water inlet conduit between the heat exchanger assembly and the bypass conduit monitors a parameter of the water entering the heat exchanger assembly, and a processor controls the operation of the of the burner assembly in response to the feed-forward sensor. | 08-02-2012 |
20130125838 | LATENT HEAT EXCHANGER IN CONDENSING BOILER - A latent heat exchanger of a condensing boiler, in which the condensing boiler includes a sensible heat exchanger absorbing combustion sensible heat generated by a burner, a latent heat exchanger absorbing latent heat of water vapor contained in a combustion product heat-exchanged by the sensible heat exchanger, an exhaust hood discharging the combustion product flowing through the latent heat exchanger, and a condensed water outlet discharging condensed water generated from the latent heat exchanger. In the latent heat exchanger the combustion product burnt by the burner flows through the sensible heat exchanger, is vertically raised toward the latent heat exchanger, is slantingly lowered in an outward direction at an acute angle from a horizontal plane, is heat-exchanged by the latent heat exchanger, is vertically raised, and is discharged to the exhaust hood. | 05-23-2013 |
20140007823 | HEATING SYSTEM FOR HEATING HEAT-TRANSFER OIL USINGBOILER FLUE GAS - A heating system for heating heat-transfer oil using exhaust heat of boiler flue gas. The system includes: a flue, an economizer, an air preheater, and a heat-transfer oil heater. The economizer and the air preheater are disposed in the flue along the flow direction of the flue gas. The heat-transfer oil heater is disposed inside the flue in front of the economizer and is connected to a heat consumption device via a first circulating pipe. The circulating pipe is equipped with a circulating pump. | 01-09-2014 |
20140053792 | FLUIDIZED BED HEAT EXCHANGE APPARATUS FOR RECOVERING HEAT OF FLUE GAS FOR PRODUCING HIGH TEMPERATURE WATER - A fluidized bed heat exchange apparatus of a flue gas heat recovery type for producing high temperature water. The fluidized bed heat exchange apparatus passes a waste heat of a combustion flue gas containing a high temperature water vapor emitted from a combustion apparatus subsequently through a water fluidized bed and a heat medium fluidized bed such that a hot water at a saturation temperature of a wet air produced from a latent heat of the combustion flue gas at the water fluidized bed is again heated at the heat medium fluidized bed which does not have a vapor condensation phenomenon, thereby producing a hot water at a temperature higher than the saturation temperature of the wet air. | 02-27-2014 |
20160018113 | Boiler Flue Gas and Oven Exhaust Economizer Systems - A representative mechanical draft system includes an in-line draft inducer that comprises a motor and a backward-inclined impeller. The mechanical draft system also includes an economizer coupled to the in-line draft inducer, where the economizer comprises a housing and a horizontally mounted heat recovery unit. | 01-21-2016 |
122020000 | Subsidiary-heater firebox | 1 |
20090095235 | HEAT EXCHANGER FOR A COMBINED BOILER, AND COMBINED BOILER USING SAID HEAT EXCHANGER - An instantaneous heat exchanger for heating sanitary water in a combined boiler has a casing defining a chamber for a first fluid, within which there extends a conduit or tubing for a second fluid. At least one of the chamber and the conduit has a substantial capacity of containment of the respective fluid, preferably between three and six litres, and the heat exchanger is pre-arranged for hydraulic connection to a standardized connection assembly for an ordinary plate-type heat exchanger for a combined boiler. | 04-16-2009 |
20090090310 | Heating System - A heating system comprising a fuel burner in co-operation with a primary heat exchanger, a reservoir for storing warmed water in, and a blending valve, and a controller wherein in use a user can signal to the controller to warm the water in the water store using a heater or by the primary heat exchanger, and when hot water is required water is removed from the water store and mixed with water from a cold main prior to being or after the water from the cold main has been admitted to a further heat exchanger for heating the water. | 04-09-2009 |
20080282996 | Reverse-Flow Condensing Economizer And Heat Recovery Method - A condensing heat exchange economizer wherein upwardly flowing hot flue gas is redirected to flow in a downward direction over a bundle of heat exchange tubes carrying a counter-flowing heat exchange medium to form condensate and cool the flue gas, and the condensate is forced by gravity to flow in the downward direction. The economizer may be in the form of a cylindrical economizer adapted for insertion in an exhaust stack for flue gas. The cooled flue gas may be redirected to flow in an upward direction and merged with a primary flow passage leading to the stack. | 11-20-2008 |
20100126432 | Heat recovery device - A heat recovery device, particularly for reducing energy consumption in heating sanitary water for residential use or for industrial use by reducing the temperature of the combustion gases and of the particles dispersed by stacks of heating boilers. The device consists of a tubular element, which has an inlet for the water drawn from the aqueduct, which flows along a coil of tubes up to the exit toward the heating boiler. The tubular element also has an opening for the inflow of the combustion gases that arrive from the heating boiler and exit through a second opening after flowing around the coil that contains the water drawn from the aqueduct. The device thus allows savings in heating water for domestic and industrial uses and also allows a reduction in the emission of fine particles. | 05-27-2010 |
20100212606 | Energy recovery apparatus - An energy recovery apparatus for heating or industrial systems that entail the combustion of products, comprises a tubular element, which is arranged at a portion of a stack or flue and is provided with a delivery for feeding water for scrubbing exhaust gases. The tubular element has an outlet for collecting the treated water that can be conveyed to a heat exchanger. The apparatus allows reduction of the emission of particulates and pollutants into the environment and makes it possible to achieve a reduction in the temperature of the exhaust gases as well as heat energy recovery. | 08-26-2010 |
20100212607 | Energy recovery device - An energy recovery device particularly for heating or industrial systems that entail the combustion of products, comprising a tubular element, which is arranged at a flue or stack and has a coil which is perforated along its extension. The coil is connected to a delivery tube for the treatment water for scrubbing the exhaust gases. The tubular element has an outlet for collecting the treatment water, which can be conveyed to a recuperator/heat exchanger. The device makes it possible to reduce the emission of particulates and pollutants into the environment and reduces the temperature of the exhaust gases besides allowing heat energy recovery. | 08-26-2010 |
20120192813 | WATER HEATING SYSTEM - A water heating system includes a burner assembly for providing a source of thermal energy to a heat exchanger. A water inlet conduit is coupled to the heat exchanger assembly for supplying fresh water to be heated, and a water exit conduit is coupled to the heat exchanger assembly for delivering the heated water to a point of use. A bypass conduit connects the water exit conduit to the water inlet conduit, and a pump disposed in the bypass conduit circulates at least a portion of the heated water from the water exit conduit to the water inlet conduit. A feed-forward sensor positioned in the water inlet conduit between the heat exchanger assembly and the bypass conduit monitors a parameter of the water entering the heat exchanger assembly, and a processor controls the operation of the of the burner assembly in response to the feed-forward sensor. | 08-02-2012 |
20130125838 | LATENT HEAT EXCHANGER IN CONDENSING BOILER - A latent heat exchanger of a condensing boiler, in which the condensing boiler includes a sensible heat exchanger absorbing combustion sensible heat generated by a burner, a latent heat exchanger absorbing latent heat of water vapor contained in a combustion product heat-exchanged by the sensible heat exchanger, an exhaust hood discharging the combustion product flowing through the latent heat exchanger, and a condensed water outlet discharging condensed water generated from the latent heat exchanger. In the latent heat exchanger the combustion product burnt by the burner flows through the sensible heat exchanger, is vertically raised toward the latent heat exchanger, is slantingly lowered in an outward direction at an acute angle from a horizontal plane, is heat-exchanged by the latent heat exchanger, is vertically raised, and is discharged to the exhaust hood. | 05-23-2013 |
20140007823 | HEATING SYSTEM FOR HEATING HEAT-TRANSFER OIL USINGBOILER FLUE GAS - A heating system for heating heat-transfer oil using exhaust heat of boiler flue gas. The system includes: a flue, an economizer, an air preheater, and a heat-transfer oil heater. The economizer and the air preheater are disposed in the flue along the flow direction of the flue gas. The heat-transfer oil heater is disposed inside the flue in front of the economizer and is connected to a heat consumption device via a first circulating pipe. The circulating pipe is equipped with a circulating pump. | 01-09-2014 |
20140053792 | FLUIDIZED BED HEAT EXCHANGE APPARATUS FOR RECOVERING HEAT OF FLUE GAS FOR PRODUCING HIGH TEMPERATURE WATER - A fluidized bed heat exchange apparatus of a flue gas heat recovery type for producing high temperature water. The fluidized bed heat exchange apparatus passes a waste heat of a combustion flue gas containing a high temperature water vapor emitted from a combustion apparatus subsequently through a water fluidized bed and a heat medium fluidized bed such that a hot water at a saturation temperature of a wet air produced from a latent heat of the combustion flue gas at the water fluidized bed is again heated at the heat medium fluidized bed which does not have a vapor condensation phenomenon, thereby producing a hot water at a temperature higher than the saturation temperature of the wet air. | 02-27-2014 |
20160018113 | Boiler Flue Gas and Oven Exhaust Economizer Systems - A representative mechanical draft system includes an in-line draft inducer that comprises a motor and a backward-inclined impeller. The mechanical draft system also includes an economizer coupled to the in-line draft inducer, where the economizer comprises a housing and a horizontally mounted heat recovery unit. | 01-21-2016 |
122020000 | Subsidiary-heater offtake flue | 9 |
20090095235 | HEAT EXCHANGER FOR A COMBINED BOILER, AND COMBINED BOILER USING SAID HEAT EXCHANGER - An instantaneous heat exchanger for heating sanitary water in a combined boiler has a casing defining a chamber for a first fluid, within which there extends a conduit or tubing for a second fluid. At least one of the chamber and the conduit has a substantial capacity of containment of the respective fluid, preferably between three and six litres, and the heat exchanger is pre-arranged for hydraulic connection to a standardized connection assembly for an ordinary plate-type heat exchanger for a combined boiler. | 04-16-2009 |
20090090310 | Heating System - A heating system comprising a fuel burner in co-operation with a primary heat exchanger, a reservoir for storing warmed water in, and a blending valve, and a controller wherein in use a user can signal to the controller to warm the water in the water store using a heater or by the primary heat exchanger, and when hot water is required water is removed from the water store and mixed with water from a cold main prior to being or after the water from the cold main has been admitted to a further heat exchanger for heating the water. | 04-09-2009 |
20080282996 | Reverse-Flow Condensing Economizer And Heat Recovery Method - A condensing heat exchange economizer wherein upwardly flowing hot flue gas is redirected to flow in a downward direction over a bundle of heat exchange tubes carrying a counter-flowing heat exchange medium to form condensate and cool the flue gas, and the condensate is forced by gravity to flow in the downward direction. The economizer may be in the form of a cylindrical economizer adapted for insertion in an exhaust stack for flue gas. The cooled flue gas may be redirected to flow in an upward direction and merged with a primary flow passage leading to the stack. | 11-20-2008 |
20100126432 | Heat recovery device - A heat recovery device, particularly for reducing energy consumption in heating sanitary water for residential use or for industrial use by reducing the temperature of the combustion gases and of the particles dispersed by stacks of heating boilers. The device consists of a tubular element, which has an inlet for the water drawn from the aqueduct, which flows along a coil of tubes up to the exit toward the heating boiler. The tubular element also has an opening for the inflow of the combustion gases that arrive from the heating boiler and exit through a second opening after flowing around the coil that contains the water drawn from the aqueduct. The device thus allows savings in heating water for domestic and industrial uses and also allows a reduction in the emission of fine particles. | 05-27-2010 |
20100212606 | Energy recovery apparatus - An energy recovery apparatus for heating or industrial systems that entail the combustion of products, comprises a tubular element, which is arranged at a portion of a stack or flue and is provided with a delivery for feeding water for scrubbing exhaust gases. The tubular element has an outlet for collecting the treated water that can be conveyed to a heat exchanger. The apparatus allows reduction of the emission of particulates and pollutants into the environment and makes it possible to achieve a reduction in the temperature of the exhaust gases as well as heat energy recovery. | 08-26-2010 |
20100212607 | Energy recovery device - An energy recovery device particularly for heating or industrial systems that entail the combustion of products, comprising a tubular element, which is arranged at a flue or stack and has a coil which is perforated along its extension. The coil is connected to a delivery tube for the treatment water for scrubbing the exhaust gases. The tubular element has an outlet for collecting the treatment water, which can be conveyed to a recuperator/heat exchanger. The device makes it possible to reduce the emission of particulates and pollutants into the environment and reduces the temperature of the exhaust gases besides allowing heat energy recovery. | 08-26-2010 |
20120192813 | WATER HEATING SYSTEM - A water heating system includes a burner assembly for providing a source of thermal energy to a heat exchanger. A water inlet conduit is coupled to the heat exchanger assembly for supplying fresh water to be heated, and a water exit conduit is coupled to the heat exchanger assembly for delivering the heated water to a point of use. A bypass conduit connects the water exit conduit to the water inlet conduit, and a pump disposed in the bypass conduit circulates at least a portion of the heated water from the water exit conduit to the water inlet conduit. A feed-forward sensor positioned in the water inlet conduit between the heat exchanger assembly and the bypass conduit monitors a parameter of the water entering the heat exchanger assembly, and a processor controls the operation of the of the burner assembly in response to the feed-forward sensor. | 08-02-2012 |
20130125838 | LATENT HEAT EXCHANGER IN CONDENSING BOILER - A latent heat exchanger of a condensing boiler, in which the condensing boiler includes a sensible heat exchanger absorbing combustion sensible heat generated by a burner, a latent heat exchanger absorbing latent heat of water vapor contained in a combustion product heat-exchanged by the sensible heat exchanger, an exhaust hood discharging the combustion product flowing through the latent heat exchanger, and a condensed water outlet discharging condensed water generated from the latent heat exchanger. In the latent heat exchanger the combustion product burnt by the burner flows through the sensible heat exchanger, is vertically raised toward the latent heat exchanger, is slantingly lowered in an outward direction at an acute angle from a horizontal plane, is heat-exchanged by the latent heat exchanger, is vertically raised, and is discharged to the exhaust hood. | 05-23-2013 |
20140007823 | HEATING SYSTEM FOR HEATING HEAT-TRANSFER OIL USINGBOILER FLUE GAS - A heating system for heating heat-transfer oil using exhaust heat of boiler flue gas. The system includes: a flue, an economizer, an air preheater, and a heat-transfer oil heater. The economizer and the air preheater are disposed in the flue along the flow direction of the flue gas. The heat-transfer oil heater is disposed inside the flue in front of the economizer and is connected to a heat consumption device via a first circulating pipe. The circulating pipe is equipped with a circulating pump. | 01-09-2014 |
20140053792 | FLUIDIZED BED HEAT EXCHANGE APPARATUS FOR RECOVERING HEAT OF FLUE GAS FOR PRODUCING HIGH TEMPERATURE WATER - A fluidized bed heat exchange apparatus of a flue gas heat recovery type for producing high temperature water. The fluidized bed heat exchange apparatus passes a waste heat of a combustion flue gas containing a high temperature water vapor emitted from a combustion apparatus subsequently through a water fluidized bed and a heat medium fluidized bed such that a hot water at a saturation temperature of a wet air produced from a latent heat of the combustion flue gas at the water fluidized bed is again heated at the heat medium fluidized bed which does not have a vapor condensation phenomenon, thereby producing a hot water at a temperature higher than the saturation temperature of the wet air. | 02-27-2014 |
20160018113 | Boiler Flue Gas and Oven Exhaust Economizer Systems - A representative mechanical draft system includes an in-line draft inducer that comprises a motor and a backward-inclined impeller. The mechanical draft system also includes an economizer coupled to the in-line draft inducer, where the economizer comprises a housing and a horizontally mounted heat recovery unit. | 01-21-2016 |