Liquid heaters and vaporizers inventions 12/07

20070295286 - Water heater with dry tank or sediment detection feature: One or more embodiments of a controller for controlling a fuel-fired water heater are provided that are able to detect a high rate of temperature change condition in the water heater tank. The fuel fired water heater appliance having a water storage vessel comprises a surface mount sensor disposed on... Agent: Harness, Dickey, & Pierce, P.l.c

20070295287 - Method for lubricating a sootblower: A method of lubricating a sootblower comprising use of an oil or grease that is thermally stable at temperatures of at least 160° C. Sootblower components which can be lubricated include lance support bearings, gears, chains, seals, and shaft bearings. The oil or grease can be an ester, silicone, or... Agent: E I Du Pont De Nemours And Company Legal Patent Records Center

20070289559 - Heat exchanger, water heater and water tube: A water tube WT of a heat exchanger B includes a helical tube body 5 which includes a plurality of loops 50 arranged in the axial direction. At least one of the loops 50 includes an inclined tube portion which is inclined with respect to the axial direction and a... Agent: Rader Fishman & Grauer PLLC

20070283902 - Integrated fluidized bed ash cooler: An integrated fluidized bed ash cooler for a fluidized bed boiler, particularly a circulating fluidized bed (CFB) boiler, employs at least two fluidized bed sections positioned in series along a solids flow path. Each section contains fluidizing means, the first section along the solids path being separated from a following... Agent: Patent Department The Babcock & Wilcox Company

20070283903 - Tubular collector for precipitating electrically loaded aerosols from a gas stream: A tubular collector for precipitating electrically loaded aerosols from a gas stream stands vertically in a gas stream duct. The stream flows upwards in said section. The tubular collector comprises at least one group of pipe bundle which extends at the most over the internal width of the duct and... Agent: Venable LLP

20070283904 - Industrial evaporation apparatus: It is an object of the present invention, in the case of an apparatus in which a liquid containing material having a lower boiling point than that of the liquid is made to flow down along an external surface of a guide, during which time the lower boiling point material... Agent: Birch Stewart Kolasch & Birch

20070283905 - Vapor generator with preheater and method of operating same: An efficient high-temperature water vapor generator includes a combustion chamber and a surrounding structure, wherein a cavity is located therebetween. Water is pumped into the cavity at a location near a first end of the combustion chamber. Water is removed from the cavity at a location near a second end... Agent: Bever Hoffman & Harms, LLP Tri-valley Office

20070283906 - Circulation system for sliding pressure steam generator: A steam generator circulation system is provided and includes a boiler feed pump for forcing water through an economizer, and through the waterwall tubes of an evaporator. A separator receives a mixture of steam and water and sends the steam to a steam utilization unit such as a superheater. A... Agent: The Babcock & Wilcox Company

20070283907 - Boiler for making super heated steam and its use: A boiler for making super heated steam by indirect heat exchange of water against a hot gas, said boiler being a vertically oriented vessel comprising a spirally formed conduit around the vertical axis of the vessel, which vessel is provided with an inlet for hot gas fluidly connected to the... Agent: Shell Oil Company