Patents for F23L 11 - Arrangements of valves or dampers after the fire (437)
04/2006
04/27/2006CA2583512A1 A method and apparatus for monitoring and controlling the stability of a burner of a fired heater
04/11/2006US7025589 Wood burning oven
04/06/2006US20060070618 Gas water heater damper/baffle
01/2006
01/19/2006WO2005108870A3 Millivolt damper control device
01/12/2006WO2005108871A3 Wireless fireplace damper control device
11/2005
11/23/2005EP1597448A1 A method for assembling chimney with mineral aggregate frame to a residential building and a chimney
11/17/2005WO2005108871A2 Wireless fireplace damper control device
11/17/2005WO2005108870A2 Millivolt damper control device
11/10/2005US20050247304 Millivolt damper control device
11/10/2005US20050247303 Wireless fireplace damper control device
09/2005
09/09/2005WO2005083324A1 Cowl for reduction of chimney effect
08/2005
08/10/2005EP1561996A1 Shut-Off Device for a Gas Conveying Tube
07/2005
07/28/2005DE10361616A1 Central heating boiler for burning e.g. coke, has chimney with housing enclosing combustion chamber and including openings for draft and flowing of waste gas, and control unit adjustably mounted in boiler regulating flue gas speed
07/21/2005DE10359551A1 Rückstromsicherungsventil für Abgasanlagen Reverse current flow valve for exhaust systems
06/2005
06/23/2005DE202004001919U1 Absperrvorrichtung für ein Gas führendes Rohr Shut-off device for a gas-carrying pipe
06/22/2005EP1544544A1 Check Valve for Exhaust Gas Apparatus
06/09/2005WO2005052449A1 Method and device for controlling a chimney draught in an upstream connected exhaust gas cleaning system
03/2005
03/22/2005US6868806 Vent damper apparatus
02/2005
02/10/2005WO2005012792A1 Method and apparatus for facilitating the activation of a main burner in two-stage combustion
02/09/2005EP1505343A2 Exhaust system with detecting means
12/2004
12/23/2004DE20312087U1 Abgassystem mit Erfassungsmittel Exhaust system with sensing means
12/09/2004DE10352847B3 Process for reducing a chimney pulling action comprises immersing a lower open chimney tube in a sink, forming a liquid barrier as an end of the chimney tube, and releasing pressure of the flue gas purification system
12/02/2004US20040237957 Biomass burner
11/2004
11/24/2004EP1479972A1 Draught Controller with Cover
10/2004
10/07/2004DE20308110U1 Zugregler mit Abdeckung Tension controller with cover
09/2004
09/29/2004EP1462723A2 Exhaust system for solid fuel combustion apparatus
09/29/2004EP1462722A2 Draught Controller
09/10/2004WO2004076782A1 A method for assembling chimney with mineral aggregate frame to a residential building and a chimney
08/2004
08/17/2004US6776349 Damper for controlling air flow through a passage
08/05/2004DE20304825U1 Zugregler Tension controller
07/2004
07/29/2004DE10256585B3 Holzbackofen Wood oven
07/22/2004US20040139958 Wood burning oven
06/2004
06/23/2004EP1431660A1 Shut-off device for the flue gas path of a combustion device
06/09/2004EP1425968A2 Wood-fired baking oven
06/04/2004CA2450974A1 Wood burning oven
04/2004
04/29/2004DE20219557U1 Absperrvorrichtung für einen Abgasweg in einer Abgasanlage einer Feuerstätte Shut-off device for an exhaust path in an exhaust system of a fireplace
04/22/2004DE10245403B3 Back draught flap for arranging in an exhaust duct, especially of an extractor hood, comprises a flap part rotating about an axis and a damping device designed as a spring device
02/2004
02/12/2004WO2002081970A9 A method of treating materials, as well as a plant and a reactor for implementing the method
01/2004
01/27/2004US6681761 Exhaust damper system for asphalt heating device
01/22/2004WO2003069066A3 Exhaust damper system for asphalt heating device
01/14/2004EP1379812A1 A method of treating materials, as well as a plant and a reactor for implementing the method
12/2003
12/24/2003WO2002081970B1 A method of treating materials, as well as a plant and a reactor for implementing the method
11/2003
11/11/2003US6644957 Damper control device
09/2003
09/11/2003US20030170578 Damper control device
08/2003
08/21/2003WO2003069066A2 Exhaust damper system for asphalt heating device
08/14/2003US20030150443 Exhaust damper system for asphalt heating device
08/13/2003EP1281025A4 Biomass burner
08/13/2003EP0961868B1 A valve device
07/2003
07/10/2003DE20302783U1 Subsidiary ventilation for smoke pipe incorporates pipe socket joined to housing, with air regulator flap
07/02/2003CN1427935A Biomass burner
06/2003
06/05/2003CA2364365A1 Draft control for a solid fuel burning appliance
04/2003
04/15/2003US6546897 Thermodynamically activated flue damper
02/2003
02/05/2003EP1281025A1 Biomass burner
01/2003
01/21/2003US6508246 Mechanical draft controller
01/03/2003WO2003001114A1 Exhaust damper
11/2002
11/06/2002CN1093910C Valve device
10/2002
10/17/2002WO2002081970A1 A method of treating materials, as well as a plant and a reactor for implementing the method
09/2002
09/03/2002US6443425 Valve
08/2002
08/27/2002US6439877 Control device for a gas-fired appliance
08/27/2002CA2078158C A discharge system for combustion gases
08/01/2002US20020100471 Device for drawing dilution air
04/2002
04/25/2002WO2002032554A1 Curved blade by-pass damper with flow control
03/2002
03/12/2002CA2029764C Spring biased chimney damper
02/2002
02/21/2002US20020020826 Valve
02/06/2002EP1178262A1 Non return valve for exhaust duct
12/2001
12/20/2001DE10037967C1 Back-flow prevention device, for exhaust gas line, has floating body with central section and outer section raised in succession dependent on power range
11/2001
11/15/2001WO2001086205A1 Biomass burner
10/2001
10/31/2001DE10019686A1 Klappe, insbesondere Umschaltklappe für große Kanalquerschnitte Flap, in particular switching door for large channel cross-sections
10/24/2001EP1148297A1 Valve, in particular change-over valve for large cross section pipes
10/09/2001CA2252335C Vent damper including pivoting poppet
09/2001
09/25/2001USRE37389 Appliance for improved venting
09/20/2001DE10022877A1 Heating boiler fired by solid fuel has housing walls filled with heat insulating material and on inside is surrounding water chamber
07/2001
07/10/2001US6257155 Curved blade by-pass damper with flow control
06/2001
06/28/2001DE19511577C2 Automatischer Zugbegrenzer Automatic draft regulator
05/2001
05/23/2001EP1102006A1 Improvements in or relating to valve control
05/19/2001CA2326109A1 Improvements in or relating to valve control
04/2001
04/06/2001CA2285155A1 Apparatus for burning off unprocessed gas
02/2001
02/27/2001US6192930 Valve device
12/2000
12/07/2000DE19906736C1 Back flow blocking device for combustion device exhaust flue has valve element raised from valve seat provided by flow restriction by pressure of flue gases with integral guide element at rear of valve element
11/2000
11/08/2000CN1272609A Alternative burn-back method
10/2000
10/21/2000CA2269449A1 Safety device for a natural draft appliance
09/2000
09/05/2000US6112741 Mid-efficiency furnace with multiple venting option
08/2000
08/10/2000WO2000046528A1 Sealing device
06/2000
06/28/2000CN1258342A Overfeed burner for solid fuel and method of its operation
05/2000
05/18/2000DE19906174C1 Seal for valve flaps in motor vehicle exhaust duct has polygonal seals with sliding steel sections reinforcing corners of polygonal section
04/2000
04/25/2000US6053163 Stove pipe thermoelectric generator
04/19/2000EP0993582A1 Overfeed burner for solid fuel and method of its operation
02/2000
02/23/2000EP0981023A1 Burner apparatus having valve means
02/01/2000US6019099 Heat removal system for fireplaces
12/1999
12/16/1999DE19825124A1 Rückstromsicherung für Abgasanlagen Reverse current protection for exhaust systems
12/08/1999EP0962701A2 Back draught safety device for fluegas systems
12/08/1999EP0961868A1 A valve device
08/1999
08/31/1999CA2143918C Method and apparatus for reducing damper operating pressure
08/24/1999US5941230 For varying the proportions of combustion products to dilute air in vent gas
07/1999
07/07/1999EP0927855A1 Method for controlling a gas heater and apparatus for carrying out the method
06/1999
06/15/1999US5911217 Internally mounted flue damper with exterior free-standing damper drive
01/1999
01/12/1999US5857904 For use on a chimney flue
01/07/1999WO1999000626A1 Overfeed burner for solid fuel and method of its operation
01/07/1999CA2293779A1 Overfeed burner for solid fuel and method of its operation
12/1998
12/15/1998US5848931 Chimney top spark arrester and damper
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