Class 122/441 - Steam

Subclass of Class 122 - Liquid heaters and vaporizers
Definition: Subject matter comprising means for heating the feed water
No. of patents: 35
Last issue date: 02/19/2008

Number	Title	Issue Date
7331312	Waste heat recovery apparatus and method for boiler system An apparatus and method for recovery of waste heat in a boiler system, wherein heat from the hot condensate water in the system, which otherwise would be lost through dissipation, is used for other applications. Particularly, the waste heat energy recovered in the f...	02/19/2008
7314024	Steam generator comprising an emergency feed water device The steam generator (1) comprises a first normal feed water device (8) and a second emergency feed water device (16) of the steam generator, comprising, respectively, a first toroidal header (10) and a second toroidal header (17) a...	01/01/2008
7214354	Autoclave The invention relates to an autoclave for medical appliances and instruments with a chamber (13) in which the appliances to be sterilized are located, with a steam generator (5) and a condensate collector (11), whereby the steam generator is con...	05/08/2007
7178485	Steam generator that includes a feedwater delivery device The steam generator includes a feedwater delivery device at an upper axial end of an annular space between an outer shell and a bundle wrapper of the steam generator. The feedwater, delivery device includes a header (11) having a shell of toroidal general sha...	02/20/2007
7137622	De-entrainment of liquid particles from gas A multi-tray distillation unit having a separator for de-entraining liquid particles which are picked up by an upwardly flowing gaseous stream which is flowing countercurrent to a descending liquid flow in the unit. The separator which is placed above the contact pl...	11/21/2006
6926874	Autoclave The invention relates to an autoclave for sterilising medical and in particular dental appliances and instruments, with a chamber (13), in which the appliances to be sterilised are located, with a steam generator (5), connected with the chamber (13	08/09/2005
6173680	Steam generator comprising an improved feedwater supply device The steam generator comprises a cylindrical outer jacket (2) arranged with its axis vertical, a bundle wrapper (4) arranged coaxially with respect to the outer jacket and a space (9) in which feed water can flow between the bundle wrapper (4) and the oute...	01/16/2001
5476525	Steam condensate recovery component A steam condensate recovery component particularly useful for pressurized deaerator units, the recovery component being a vertical extension pipe of thermally conductive material connected to a system air vent and extending into the atmosphere. The extens...	12/19/1995
5067446	Apparatus for degassing and heating water An apparatus for degassing and heating water by means of steam comprises a column (1) with packing bodies (2) arranged therein, with a distributor (12) arranged at the column head for the water to be degassed, with a water supply line (7) and steam supply...	11/26/1991
4981113	Deaerator tray for a steam boiler feedwater heater system A deaerator tray in the form of a horizontally elongated trough for receiving a quantity of liquid to be deaerated. The trough has a flat bottom having a pair of spaced, elongated sides having upper liquid overflow edges. Guide structure is provided for d...	01/01/1991
4967699	Steam generator Steam generators are used in pressurized water-cooled nuclear reactors for generating steam which issues from the generator through a large bore steam outlet. Heat-exchange tubes through which feed water flows are surrounded by hot cooling water from the ...	11/06/1990
4878457	Zero flash closed condensate boiler feedwater system A heat exchange system for steam returning from industrial processors to a pressurized receiver for return to a boiler with recovery of the thermal energy in the spent steam wherein the flow of water from a flash condenser connected to processor traps is ...	11/07/1989
4864970	Clean steam generator and method A process and apparatus for producing clean steam by placing impure steam in heat exchange relationship with clean water but physically separated therefrom to produce superheated clean water and vapor, and permitting expansion of the fluids to form clean ...	09/12/1989
4858564	Feedwater heater with improved steam distribution A feedwater heater in which a bundle of tubes is disposed in a vessel in the flow path of steam through the vessel. Feedwater is introduced into the tubes for passing in a heat exchange relation with the steam to condense at least a portion of the steam a...	08/22/1989
4679529	Steam generator feed water heater A steam generator feed water heater comprises a pressurized enclosure inside which is a heat exchanger through which the feed water is caused to flow. There is at least one horizontal condensate inlet tube, as well as at least one condensate outlet tube a...	07/14/1987
4637350	System for recovering drain A system for recovering drain which recovers two or more flows or drain of different temperatures, which is applied to a generating plant provided with feed-water heaters in which drain is recovered into a condensation system downstream from a condenser t...	01/20/1987
4541366	Feed water preheater In a feed water preheater of horizontal type with an integrated desuperheater, the last deflection chamber of the desuperheater is provided with lateral steam outlet ports (13). As a result, the desuperheated steam does not reach the condensation zone dir...	09/17/1985
4465027	Exhaust gas vapor generator The exhaust gas vapor generator has a main working medium flow which passes via a feed pump and economizer into an evaporator. Working medium is bled off as a component flow between the economizer and evaporator in order to heat the degasser. The heat of ...	08/14/1984
4461244	Vertical, collector-type high-pressure feed water preheater, with desuperheater and a device for separating the steam and water phases A steam duct (5) enclosing the preheater tube-bundle (6) leads, upwards, from the desuperheater box (2) and via a deflecting quarter-bend (9), opens into a flat steam-distribution duct (8). The heating steam flows from this distribution duct (8), through ...	07/24/1984
4461346	Feedwater heater A horizontal feedwater heater for use in heat power stations, of the type having a shell, a plurality of U-bent heat transfer tubes extended in the longitudinal direction of the shell and a vent tube extended in the longitudinal direction of the shell sub...	07/24/1984
4420373	Energy conversion method and system A mechanical energy conversion method and system for the restoration of dissipated heat energy, contained in natural or artificial water bodies at or near ambient temperatures, to industrial process heat, mainly in the form of steam up to 200°-400° C. T...	12/13/1983
4380431	Technique for elevating the temperature of a fluid A technique for elevating the temperature of a heat transfer liquid is disclosed. The liquid, at a low temperature (e.g., 70° F.), is directed through a coil (72) located in the upper portion of an enclosed chamber (71). Condensing, hot vapor on the coil...	04/19/1983
4357911	Rapid recovery hot water boiler A steam boiler for use in small industry or business comprising in combination a holding tank and steam generation unit. Water from the holding tank flows into the steam generation unit at the same rate that steam exits the unit thereby maintaining a cons...	11/09/1982
4347321	Method and apparatus for producing alcohol A method and apparatus particularly suitable for the production of alcohol from fermentable substances such as grain. In this method, mash cooking, fermentation, and boiling are carried out sequentially in a single vessel. Boiling produces a first vapor r...	08/31/1982
4282070	Energy conversion method with water recovery A mechanical energy conversion method and system for the restoration of dissipated heat energy, contained in natural or artificial water bodies at or near ambient temperatures, to industrial process heat, mainly in the form of steam up to 200°-400° C. T...	08/04/1981
4254825	Multitubular heat exchanger A multitubular heat exchanger used as a feedwater heater in a power generating plant and the like includes a shell, a high temperature tube bundle and a low temperature tube bundle composed of a multiplicity of U-shaped heat transfer tubes arranged in the...	03/10/1981
4249485	Feed water preheater A feed water preheater is disclosed having warm and cold tube bundles. The warm tube bundle is divided into first and second warm tube bundles with the first warm tube bundle forming a desuperheater bundle and the second warm tube bundle forming a condens...	02/10/1981
4226283	Multitubular heat exchanger A multitubular heat exchanger mainly used in thermal and nuclear power plants having a plurality of tube bundles located within a shell and including a large number of U-shaped heat transfer tubes for permitting a medium to be heated to flow therethrough,...	10/07/1980
4224981	Feed-water heater for steam power plants A feed-water preheater for a steam power plant is disclosed. Feed-water at a relatively low temperature is conducted through bundles of heater tubes in heat exchange relation with steam from the turbine. The heater tubes are arranged in a U-shaped bundle,...	09/30/1980
4219077	Multitubular heat exchanger used in a power plant A multitubular heat exchanger used in a power plant is provided with a bundle of U-shaped heat transfer tubes and a vent tube. The vent tube is located between an upper portion and a lower portion of the bundle of U-shaped heat transfer tubes. A steam flo...	08/26/1980
4207842	Mixed-flow feedwater heater having a regulating device A mixed-flow feedwater heater having a regulating device is disclosed including a feedwater tank having a deaerating dome. Steam is conveyed from a low pressure steam drum to a feedwater tank to heat and deaerate the feedwater. Feedwater is supplied from ...	06/17/1980
4205632	Feedwater preheater with device for separating moisture from moisture-bearing steam Feedwater preheater having a multiplicity of tubes conducting feedwater, in combination with a device for separating moisture from moisture-bearing steam, includes structural components disposed transversely to a steam flow toward the heating tubes in vic...	06/03/1980
4089304	Apparatus for supplying feedwater to a steam generator Apparatus for supplying feedwater to a steam generator, such as a waste-heat boiler, includes the feature of degassing feedwater at a degassing station by way of a suitable degassing means, the feedwater being degassed by being heated to boiling temperatu...	05/16/1978
4075978	Apparatus for heating a contaminated feedwater for steam flooding An apparatus for heating a fluid in which a vapor generator is provided which includes a furnace section for combusting a fuel and means to pass water in a heat exchange relation to the furnace section to convert the water to steam. A heat exchanger is pr...	02/28/1978
3938588	Deaerating feedwater heater A feedwater heater has a condensate inlet, and a flow distributor cooperatively associated with the condensate inlet, a plurality of U-shaped tubes forming a tube bundle, a vent condenser portion enclosing a portion of the cold leg of the tube bundle and ...	02/17/1976

PatentStorm

Bizarre Patents

PatentStorm News

Class 122/441 - Steam