Liquid heaters and vaporizers inventions 11/07

20070272171 - Method of combusting oil shale in a circulating fluidized bed boiler: A method of combusting oil shale or fuel having similar properties as oil shale in a circulating fluidized bed boiler. The method includes the steps of (a) introducing fuel into a furnace of the circulating fluidized bed boiler, (b) introducing primary oxygenous gas through a bottom grid of the furance,... Agent: Fitzpatrick Cella Harper & Scinto

20070272172 - Method of installing furnace walls of a boiler: New and useful method of installing furnace walls for a boiler that does not require dedicated temporary lifting mechanism and reduces the installation work period significantly is disclosed. The method of installing furnace walls for a boiler configured with an upper portion of boiler proper 30 and a lower portion... Agent: Procopio, Cory, Hargreaves & Savitch LLP

20070266962 - Natural circulation industrial boiler for steam assisted gravity drainage (sagd) process: A gravity feed, natural circulation boiler for an SAGD process using low quality feedwater for carbonatious material recovery, has a large diameter steam drum with downcomers. A furnace of the boiler has individually replaceable membrane wall modules, each with upper and lower headers and membrane roof, wall and floor parts... Agent: The Babcock & Wilcox Company

20070261647 - Multiple pass economizer and method for scr temperature control: A gas temperature control system for maintaining a desired economizer outlet gas temperature across a range of boiler loads comprises a plurality of tubular configurations having surfaces that are in contact with the flue gas. Each tubular configuration, preferably, comprises a plurality of serpentine or stringer tubes arranged horizontally or... Agent: The Babcock & Wilcox Company

20070261646 - Multiple pass economizer and method for scr temperature control: A gas temperature control system for maintaining a desired economizer outlet gas temperature across a range of boiler loads comprises a plurality of tubular configurations having surfaces that are in contact with the flue gas. Each tubular configuration, preferably, comprises a plurality of serpentine or stringer tubes arranged horizontally or... Agent: The Babcock & Wilcox Company

20070256647 - Gas water heater: A gas water heater is disclosed. The gas water heater comprises a combustion chamber, a pipe assembly, a heat exchange device, and a plurality of heat conductors. The combustion chamber provides a gas flow. The heat exchange device is disposed above the combustion chamber. The heat conductors are disposed in... Agent: Quintero Law Office, PC

20070251467 - Combustion apparatus: A combustion apparatus 1 is adapted to perform a primary combustion of air-fuel mixture in an oxygen-deficient condition composed of mixture of primary air and fuel gas and further perform a secondary combustion upon supply of secondary air 67, including a first ion current measuring element 65 positioned at a... Agent: Rader Fishman & Grauer PLLC

20070251468 - Hot water tank: This invention relates generally to hot water tank but more particularly to a hot water tank having a removable top lid. The hot water tank comprises a sleeve lining the tank; at least one compartment housed within said sleeve, the compartment having walls for containing water; and a top removable... Agent: Robic