| Patents for F22D 5 - Controlling water feed or water level; Automatic water feeding or water-level regulators (791) |
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| 12/03/2009 | US20090293819 Remote water shut-off device |
| 12/02/2009 | CN201355030Y Novel multifunctional steamer |
| 12/02/2009 | CN101592333A Electroconductive saturation steam boiler sensor |
| 11/25/2009 | CN101586801A Boiler with automatic watering device |
| 11/18/2009 | CN100561043C Feeding water flow control and pressure compensation system for boiler |
| 11/11/2009 | CN101576247A Automatic control system for industrial coal powder boiler |
| 10/28/2009 | CN100554774C Drum level adjuster |
| 10/08/2009 | WO2009123668A1 Radial counterflow steam stripper |
| 10/07/2009 | CN101551131A Water-feeding control method of steam microwave oven |
| 09/10/2009 | US20090224064 Low Energy Vaporization of Liquids: Apparatus and Methods |
| 09/02/2009 | CN101520173A Multi-loop balance-type assistant hydrodynamic system |
| 09/02/2009 | CN100535513C Control method of boiler water level and its control system |
| 08/26/2009 | CN100532931C Method and apparatus for optimizing a steam boiler system |
| 08/19/2009 | CN100529528C Method and apparatus for drum level control for drum-type boilers |
| 08/05/2009 | CN201285027Y Steam generation device |
| 07/15/2009 | CN201273560Y Water supply apparatus of steam generator |
| 06/25/2009 | US20090159018 System and method for controlling liquid level in a vessel |
| 06/11/2009 | WO2009072338A1 Boiler system |
| 06/10/2009 | CN101451710A Protection arrangement for high-pressure heater |
| 06/09/2009 | CA2541007C Crop re-hydration system utilizing a direct-fired steam generator having continuous water circulation |
| 06/04/2009 | WO2009068446A2 Method for operating a once-through steam generator and forced-flow steam generator |
| 06/04/2009 | CA2706794A1 Method for operating a once-through steam generator and forced-flow steam generator |
| 05/20/2009 | CN201242143Y Steam supply apparatus |
| 05/20/2009 | CN201241988Y Backwater automatic control valve with novel structure |
| 05/20/2009 | CN101435572A Water feed flow control and pressure compensating system of boiler |
| 04/28/2009 | CA2527433C Steam oven system having steam generator with controlled fill process |
| 04/22/2009 | CN101413657A Automatic control device for intelligent electricity-saving device and control method thereof |
| 04/01/2009 | CN101398166A Continuous water feeding frequency conversion control system for intelligent boiler |
| 01/21/2009 | CN201184587Y Steam boiler with automatic water-feeding control system |
| 01/14/2009 | CN201180980Y Exhaust-heat boiler of enameling machine |
| 01/07/2009 | CN100449204C Gas-water co-regulating method for monitoring and controlling steam dryness of steam injection boiler of oilfield |
| 12/17/2008 | CN101324330A Ultra high-efficiency quick vapor generator |
| 12/11/2008 | US20080302315 High-efficiency water heater dip tube and method for reducing turbulence in water heaters |
| 12/10/2008 | CN101319778A System and method for controlling feedwater quantity of exhaust-heat boiler in power generation by waste heat |
| 11/19/2008 | CN101307756A Thermoelectric generating set auxiliary machinery fault fast-reducing load feed water pump trip behavior feasibility determination method |
| 09/24/2008 | CN201121885Y Boiler water-feeding control system |
| 08/27/2008 | CN201107664Y Water level regulating apparatus |
| 07/22/2008 | US7401577 Real time optimization and control of oxygen enhanced boilers |
| 07/16/2008 | CN101220949A Steam generator, heating cooker having the same and control method thereof |
| 06/18/2008 | CN101201159A Method system for generating power by waste heat with adjustable flash evaporation system |
| 05/21/2008 | CN201062787Y Water-adding type rapid steam stove |
| 04/30/2008 | CN201053673Y Steaming boiler constant pressure watering energy-saving device |
| 04/30/2008 | CN201053672Y Steaming boiler exhaust heat recovery device |
| 04/30/2008 | CN101169240A Drum level adjuster |
| 04/16/2008 | CN100381752C Full automatic self pressure water filling device for boiler |
| 03/26/2008 | CN201041348Y Multiple boiler proportional adjusting water-supply system |
| 03/12/2008 | EP1740283A4 Fully automated water processing control system |
| 03/05/2008 | CN101135438A Method for correcting water level of steam drum based on temperature and pressure |
| 03/05/2008 | CN100373279C Automatic water compensation device of electric steamer |
| 02/27/2008 | CN201028497Y Boiler water level control device |
| 02/20/2008 | CN100370385C Method for identifying boiler drum level model |
| 02/15/2008 | CA2596566A1 Water supply control for a steam generator of a fabric treatment appliance using a temperature sensor |
| 02/15/2008 | CA2596549A1 Water supply control for a steam generator of a fabric treatment appliance |
| 02/15/2008 | CA2596531A1 Water supply control for a steam generator of a fabric treatment appliance using a weight sensor |
| 02/09/2008 | CA2555716A1 Portable steam and heat generator |
| 02/07/2008 | DE102006042905B3 Accumulator arrangement for storing thermal energy bounded in water, has pipe line, pumps and switching valves controlled together in opposite conveying directions to supply storage medium from accumulator areas to other areas |
| 01/22/2008 | CA2516843C Steam generator feedwater control system for power plant |
| 01/09/2008 | CN101101112A Control method of boiler water level and its control system |
| 12/19/2007 | CN101089465A Feed control system of boiler |
| 11/29/2007 | DE10229250B4 Leistungssteuerung für Dampfkreisprozesse Power control for steam cycles |
| 09/20/2007 | US20070215068 Steam Cutting Device |
| 09/19/2007 | CN200949807Y 电蒸汽发生器 Electric steam generator |
| 09/08/2007 | CA2581313A1 Electrode rod for detecting water-level, method of detecting water-level, method of controlling water-level in a boiler, and method of controlling water-level in a steam separator |
| 07/31/2007 | US7249573 Pressurized steam boilers and their control |
| 06/27/2007 | CN2916385Y One-stage whole-course feed water control system |
| 06/27/2007 | CN2916319Y Water supply tank of low-pressure phase-change heating furnace |
| 06/20/2007 | CN2913853Y Full-automatic self-pressurized water feeder for boilers |
| 05/16/2007 | CN2901054Y Steam producer |
| 04/19/2007 | US20070084422 Portable steam and heat generator for pest control |
| 03/08/2007 | DE10302972B4 Verfahren und Vorrichtung zur Erzeugung von Wasserdampf für die Wäschepflege Method and apparatus for generating steam for laundry care |
| 03/06/2007 | CA2534521A1 Steam generation system for a household oven |
| 02/21/2007 | CN1918429A Method and apparatus for optimizing a steam boiler system |
| 02/08/2007 | DE102005034847A1 Steam power station comprises switching units intended for switching off the last high-pressure preheater in front of the steam generator within the framework of primary regulation of the mains frequency |
| 01/31/2007 | CN2864376Y Automatic water feeding controller for boiler |
| 01/24/2007 | CN2861754Y High performance energy saving automatic gas vapor generator |
| 01/10/2007 | EP1740283A1 Fully automated water processing control system |
| 01/04/2007 | US20070005190 Method, apparatus, and system for projecting hot water availability for showering and bathing |
| 12/27/2006 | CN2851863Y Quick gas-fired steamer capable of regulating water flow |
| 11/08/2006 | CN1858490A Full automatic self pressure water filling device for boiler |
| 11/08/2006 | CN1858489A Method for identifying boiler drum level model |
| 10/18/2006 | CN2828568Y Water supply pre-supercharging device for steam boiler |
| 10/11/2006 | CN2826176Y Flash evaporator capable of recovering steam condensed water |
| 09/06/2006 | CN2814143Y Boiler water feeding pressure holdback device |
| 08/30/2006 | CN2811759Y Automatic frequency conversion and water supplementing control apparatus for steam boiler |
| 08/30/2006 | CN2811636Y Autocontrolled fluid transportation device |
| 07/19/2006 | CN1804458A Gas-water co-regulating method for monitoring and controlling steam dryness of steam injection boiler of oilfield |
| 06/15/2006 | US20060124078 Water feed controller for a boiler |
| 05/30/2006 | US7053341 Method and apparatus for drum level control for drum-type boilers |
| 05/09/2006 | CA2116080C Electrode boilers with automatic drain control responsive to measured electrode current |
| 04/25/2006 | US7032384 Steam turbine plant |
| 04/12/2006 | CN1250914C Method for feeding closed liquid system |
| 01/10/2006 | CA2269556C Waste heat boiler with variable output |
| 12/27/2005 | US6978741 Apparatus and method for measuring total dissolved solids in a steam boiler |
| 12/14/2005 | EP1373803B1 Method for feeding a closed liquid system |
| 10/13/2005 | US20050224016 Apparatus and method for measuring total dissolved solids in a steam boiler |
| 10/12/2005 | EP1584866A2 Apparatus and method for measuring total dissolved solids in a steam boiler |
| 09/01/2005 | US20050189016 Recirculation system |
| 09/01/2005 | CA2498615A1 Recirculation system |
| 08/25/2005 | DE102005006008A1 Verfahren und Vorrichtung zur Niveauregelung bei Dampfkesseln des Trommeltyps Method and apparatus for level control in steam boilers of the drum type |
| 08/18/2005 | US20050178759 Method and apparatus for drum level control for drum-type boilers |