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| Number | Title | Issue Date |
| 6952924 | Rankine cycle apparatus Rankine cycle apparatus, having closed working medium circulation circuitry, includes a collection mechanism for collecting a working medium leaked or discharged out of the circulation circuitry. The working medium collected via the collection mechanism is stored in... | 10/11/2005 |
| 6764530 | Exhaust heat utilization method for carbon dioxide recovery process An exhaust heat utilization method for a carbon dioxide recovery process comprises heating returning hot water by at least one heat exchange selected from heat exchange with the regenerated absorbing liquid after heat exchange, heat exchange with carbon dioxide exha... | 07/20/2004 |
| 6490863 | Compressor cycle apparatus A condensation apparatus comprising a fluid and means for changing said fluid from a liquid to a pressurized gas. Means are provided for condensing a portion of said pressurized gas to a first quantity of said liquid, and for deriving work from said press... | 12/10/2002 |
| 5878675 | Flue gas desulfurizer, boiler equipment and thermal electric power generation equipment A flue gas desulfurizer having an absorption tower for bringing untreated flue gas into gas-liquid contact with an absorbent slurry, wherein there is provided heat recovery means for recovering heat from the flue gas passing through the flue gas inlet sec... | 03/09/1999 |
| 5664419 | Method of and apparatus for producing power using geothermal fluid Power is produced using a two-phase geothermal fluid, utilizing a separator for separating the geothermal fluid into a steam branch and a brine branch. A vaporizer, containing an organic fluid, is responsive to the steam in the steam branch for producing ... | 09/09/1997 |
| 5377489 | Internal moisture separation cycle for a low pressure turbine A steam turbine system including a low pressure (LP) turbine has a plurality of moisture extraction points at which a steam-water mixture is extracted and passed through a respective one of a corresponding plurality of heat exchangers. Each exchanger pass... | 01/03/1995 |
| 4948331 | High pressure industrial turbine casing A casing for a high pressure steam turbine is provided which is adapted to be stocked for subsequent customization. The casing is made as an incomplete casing with a closed chamber between an inner and outer wall and extending axially along a significant ... | 08/14/1990 |
| 4926643 | Closed loop system with regenerative heating and pump-driven recirculation of a working fluid A closed loop thermodynamic system that recirculates a vaporizable working fluid between its liquid and vapor states includes a thermal regeneration unit that receives exhausted working fluid after its utilization in an energy-utilizing device and transfe... | 05/22/1990 |
| 4805410 | Closed loop recirculation system for a working fluid with regeneration An improved closed loop thermodynamic system that recirculates the vaporizable working fluid between its liquid and vapor states include a thermal regeneration unit that receives vaporized working fluid after its utilization and transfers a portion of the... | 02/21/1989 |
| 4763480 | Method and apparatus for implementing a thermodynamic cycle with recuperative preheating A method and apparatus for implementing a thermodynamic cycle with preheating, involves expanding a gaseous working fluid to a medium pressure to transform its energy into usable form. The expanded gaseous working fluid is split into two different streams... | 08/16/1988 |
| 4748815 | Steam turbine system An extraction turbine system in which the condenser connects to a venting system to remove non-condensing air flows penetrating the system and gases entrained in the steam and condensate and a portion of exhaust steam. The venting system has a steam jet c... | 06/07/1988 |
| 4660632 | Heat exchanger Heat exchange apparatus comprises a generally cylindrical tank having an inlet port for entry of gas and an outlet port for exit of the gas after it is cooled, and an annular bundle of tubes disposed within the tank. The tank includes a cylindrical side w... | 04/28/1987 |
| 4655691 | Temperature-difference-actuated pump employing nonelectrical valves A temperature-difference-actuated pump is disclosed which does not require the use of electrically operated solenoid valves or the like, making the inventive pump especially useful in locations where electricity is not readily available. Either one or two... | 04/07/1987 |
| 4637215 | Regenerator with spray cooler Component size difficulties in a closed-cycle steam turbine system are eliminated by disposing an annular regenerator about a turbine wheel and providing spray nozzles at the outlet of the regenerator for eliminating superheat in the exhaust steam passing... | 01/20/1987 |
| 4617878 | Process and device for recovery of thermal energy in a steam generating system In a steam generating system, steam condensate extracted from steam used to reheat boiler water in heaters (H1, . . . , H4) is revaporized in the recuperators-vaporizers (RV1, . . . , RV3) by heat exchange contact with the flue gas from boiler (B). The st... | 10/21/1986 |
| 4578954 | Means for degassifying and superheating hotwell condensate in a recycling steam system In a recycling steam system, a flow of waste steam is retrieved from the power cycle at a pressure in excess of condenser pressure and directs this waste-steam flow into a network of pipes vertically suspended in and distributed throughout the hotwell con... | 04/01/1986 |
| 4535594 | Method and apparatus for generating power and low pressure saturated or near saturated steam Low pressure steam leaving a turbine (108) is used to preheat a major part of the feed water to a boiler (107) to a higher temperature than the balance of the feed water. The preheated part of the feed water is then introduced into the boiler (107) at a h... | 08/20/1985 |
| 4490978 | Fluid pressure proportioners Modular proportioners such as those of U.S. Pat. No. 4,213,655 are machined and separated into parts provided with appropriate O-ring seals so that the proportioners may be installed in an auxiliary bore of the master cylinder body. Threaded proportioner ... | 01/01/1985 |
| 4433546 | Heater unit for heating water to be supplied to a boiler and a water heater A heater unit for heating water which is supplied to a steam-generating boiler of an electric energy production installation which includes an alternator driven by a turbine having at least one low-pressure body (9) connected by a housing (15), to a steam... | 02/28/1984 |
| 4330997 | Feedwater heating in a steam turbine The present invention relates to a method and apparatus for feedwater heating in an industrial steam turbine. Process steam for industrial purposes is extracted from at least one stage of a multistage turbine. An expansion of a portion of process steam is... | 05/25/1982 |
| 4065056 | Method and device for thermally controlling a utilization unit fed by a condensable vapor distributing system A method for thermally controlling a utilization apparatus heated with condensable steam, mounted in a live steam distribution plant comprising a condensate drain line system for dry gravity return of the condensates which also contains live steam, said m... | 12/27/1977 |
