| Patents for F23L 13 - Construction of valves or dampers for controlling air supply or draught (771) |
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| 06/21/2012 | WO2012081795A1 Gas boiler having freely controllable output and method for controlling the output of the gas boiler |
| 06/13/2012 | EP2463559A1 Biomass firing equipment with air positioning locking device |
| 06/12/2012 | US8196552 System and method to reduce standby energy loss in a gas burning appliance |
| 05/30/2012 | CN202251971U Sealing device for door shaft of air door of air duct of thermal power plant |
| 05/23/2012 | CN202229221U Translation type hot wind isolated door |
| 05/23/2012 | CN202229206U Novel high-efficacy baffle air door |
| 05/22/2012 | US8181584 On-line coal flow control mechanism for vertical spindle mills |
| 05/09/2012 | EP2449307A1 Dual fuel heating system and air shutter |
| 05/03/2012 | WO2011109841A3 Burner and stove |
| 04/25/2012 | EP2444725A2 Solid-fuel heating apparatus |
| 04/18/2012 | CA2717779A1 Damper for direct vent fireplace insert |
| 04/11/2012 | EP2439450A1 Non-sealed gas-combustion appliance with enhanced safety |
| 04/11/2012 | CN102410554A 一种锅炉的防喷火装置 Anti-flame device for boiler |
| 03/21/2012 | EP2430366A2 Fume-discharge device for boilers |
| 02/29/2012 | EP2423592A2 Gas device, gaseous medium transport device and associated seal device and method for avoiding gas backflows |
| 02/15/2012 | CN102353069A Kerosene and diesel two-purpose adjustable secondary air distribution hole |
| 02/08/2012 | CN202141068U 煤柴两用可调节二次风配风孔 Kerosene and diesel dual-adjustable secondary air with the wind hole |
| 02/02/2012 | DE102010035653B3 Gasgerät, Gasführungseinrichtung und Dichtvorrichtung sowie Verfahren zur Vermeidung von Gasrückströmungen Gas equipment, gas guide device and sealing device and method for preventing gas backflow |
| 12/28/2011 | CN202091501U 一种电厂热风道复合门轴密封装置 Power plant hot air channel composite door shaft seal |
| 12/07/2011 | CN202066007U Coal gas-oxygen burning lance device with oxygen and compressed air capable of supporting combustion simultaneously |
| 11/16/2011 | CN101603604B Rotary directional control valve and heat accumulating gas processing system |
| 11/09/2011 | CN101210680B Regenerative thermal oxidizer |
| 09/28/2011 | CN201992677U 翻板式弹性热风隔离门 Turn plate elastic hot isolated gate |
| 09/09/2011 | WO2011109841A2 Burner and stove |
| 09/07/2011 | CN102175037A Turning-plate-type elastic hot wind isolating door |
| 08/25/2011 | US20110203569 Boiler system stabilizing damper and flue control method |
| 08/10/2011 | CN201925901U 用于蒸汽锅炉的调风门 Steam boiler for damper adjustment |
| 07/13/2011 | EP2343481A2 Actuated combustion air damper |
| 07/06/2011 | CN201892202U Direct-injection combusted boiler burner for bio-fuel gasification |
| 06/15/2011 | CN102099624A Device for controlling regenerative burners |
| 06/15/2011 | CN101603603B Rotary directional control valve and heat accumulating gas processing system |
| 06/15/2011 | CA2714876A1 Flue gas diverter damper seal land |
| 05/25/2011 | CN102072489A Combustor |
| 05/19/2011 | WO2011058352A1 Flow control device |
| 05/11/2011 | EP2318761A1 Device for controlling regenerative burners |
| 05/11/2011 | EP2318760A1 Air distribution valve |
| 05/10/2011 | US7938071 Secondary air flow biasing apparatus and method for circulating fluidized bed boiler systems |
| 04/20/2011 | CN102022759A Throttle regulator for gas range |
| 03/24/2011 | US20110068488 Humidifier with field reconfigurable bypass feature |
| 03/10/2011 | WO2011002653A8 Dual fuel heating system and air shutter |
| 02/16/2011 | CN201748496U Air door adjusting device of integrated environmental protection stove |
| 02/16/2011 | CN201748465U Novel boiler |
| 02/16/2011 | CN101545631B Improved air-adjusting door for circulating fluid bed boiler |
| 02/10/2011 | WO2010031818A3 Improved firebacks |
| 02/09/2011 | CN101970939A A flameless combustion heater |
| 01/19/2011 | CN201715539U Linear proportional regulating throttle |
| 01/19/2011 | CN201715538U Adjustable offset lateral diversion grid for chain grate industrial boiler |
| 01/06/2011 | WO2011002653A1 Dual fuel heating system and air shutter |
| 01/06/2011 | WO2010131282A3 Fume-discharge device for boilers |
| 01/06/2011 | CA2766688A1 Dual fuel heating system and air shutter |
| 12/29/2010 | CN201688432U Adjustable device applied to gas appliance |
| 12/22/2010 | CN201680391U Slag drying machine with automatic air valve regulating device |
| 12/15/2010 | CN201672532U Self-locking rotating damper boiler air feed box |
| 12/14/2010 | US7849805 System and method for the operation of a furnace that is operated with at least one coal pulverizer |
| 11/18/2010 | WO2010131282A2 Fume-discharge device for boilers |
| 11/17/2010 | EP2251603A2 Blocking system for large sections of piping with a swinging flap |
| 11/10/2010 | CN201628267U Gas stove air door adjusting device |
| 10/27/2010 | CN101871652A Adjustable dislocated transverse diffuser grid of travelling grate stoker industry boiler |
| 10/13/2010 | CN101858603A Slag drying machine with air door automatic regulating device |
| 09/29/2010 | CN201593819U Device for adjusting throttle of gas stove |
| 09/23/2010 | US20100236544 Outdoor flame heater |
| 09/22/2010 | CN201588963U Rotary air adjusting valve |
| 09/22/2010 | CN101839494A Novel push-pull type air shutter of chain grate |
| 09/16/2010 | US20100229768 Method for regulating the output of a solid-fuel furnace and furnace with a corresponding output regulator |
| 09/01/2010 | CN201568985U Double-air-source throttle adjusting structure |
| 06/10/2010 | US20100143852 Regulating overfire air in a boiler using an overfire air tube damper |
| 06/09/2010 | CN101201167B Apparatus and method for gasification of refuse and hyperthermia melt processing of flying ash |
| 06/09/2010 | CA2666232A1 Apparatus for generating heat through burning of solid fuel and method of controlling such an apparatus |
| 06/02/2010 | CN201496996U Coal feeding and air regulating boiler door |
| 05/26/2010 | CN201487337U Regulating device of air volume regulating valve of fireproof exhaust equipment |
| 05/19/2010 | CN201476040U Air door mechanism of improved control boiler for periodical and uniform adjusting of secondary air |
| 05/19/2010 | CN101004269B Switching valve seal |
| 05/12/2010 | CN201462893U Air draft controller for regulating industrial boiler pressure |
| 05/12/2010 | CN201462892U Air door of biomass fuel gasification and combustion cooking stove |
| 05/12/2010 | CN201462891U Adjustable air distribution mechanism of biomass semi-gasification furnace |
| 05/12/2010 | CN1945122B Feeding inlet structure for biomass energy fuel boiler |
| 04/08/2010 | US20100083883 Solid Fuel Boiler Assembly |
| 04/01/2010 | WO2010034124A1 System and method for burning fuel |
| 04/01/2010 | DE10359551B4 Rückstromsicherungsventil für Abgasanlagen Reverse current flow valve for exhaust systems |
| 03/25/2010 | WO2010031818A2 Improved firebacks |
| 03/10/2010 | EP2161499A2 Throttle device for a fireplace |
| 02/25/2010 | US20100043727 Heating system |
| 02/24/2010 | CN201412582Y Automatic air door |
| 02/10/2010 | CN201401786Y Air regulating door for circulating fluidized bed boiler |
| 02/09/2010 | CA2407230C Switching valve and a regenerative thermal oxidizer including the switching valve |
| 02/04/2010 | WO2010013105A1 Air distribution valve |
| 02/03/2010 | CN201396778Y Adjusting air door for fuel gas combustion equipment |
| 02/03/2010 | CN201396777Y Regulating damper for dual-source gas equipment |
| 01/21/2010 | WO2010007547A1 Device for controlling regenerative burners |
| 01/13/2010 | CN201382435Y Inner water-cooled air gate |
| 01/13/2010 | CN100579744C Safety barn door of felting machine |
| 12/16/2009 | CN101603604A Rotary directional control valve and heat accumulating gas processing system |
| 12/16/2009 | CN101603603A Rotary directional control valve and heat accumulating gas processing system |
| 11/25/2009 | CN201351927Y Wind cap used for industrial boiler |
| 11/18/2009 | CN201348270Y Reversing device for heat accumulating type industrial furnace |
| 11/18/2009 | CN201348269Y Gas-collecting tank of reversing device for heat accumulating type industrial furnace |
| 11/11/2009 | CN101576266A High-temperature gas damper |
| 10/28/2009 | CN100554781C Heat accumulating gas processing system |
| 10/14/2009 | CN201327052Y Novel adjustable air distribution atomization rotational flow table for inner and outer fixed plate adjustable fuel burners |
| 10/08/2009 | US20090249987 Adjustable riffler assembly |