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Class 60/654 - Including mingling motor exhaust steam with boiler feed water


Subclass of Class 60 - Power plants
Definition: Process, including a power producing procedure in which
No. of patents: 19
Last issue date: 01/10/2012


NumberTitleIssue Date
8091361Method and apparatus for controlling the final feedwater temperature of a regenerative Rankine cycle using an exergetic heater system
This invention relates to a method and apparatus for increasing the final feedwater temperature associated with a regenerative Rankine cycle, said cycle commonly used in thermal systems such as conventional power plants, whose steam generators are fired with a fossi...
01/10/2012
7021063Reheat heat exchanger power generation systems
A reheat heat exchanger is provided particularly for use in Rankine cycle power generation systems. The reheat heat exchanger includes a high pressure path between a high pressure inlet and a high pressure outlet. The reheat heat exchanger also includes a low pressu...
04/04/2006
6269645Power plant
The power plant according to the present invention improves the efficiency of conversion from thermal energy to electrical energy, and is provided with a first thermoelectric conversion element that generates electric power by using a difference in temper...
08/07/2001
6105368Blowdown recovery system in a Kalina cycle power generation system
A method for capturing working fluid which includes a hazardous component and is discharged from a power generating system, includes directing the discharge to a container. There, the discharged working fluid is combined with a liquid in which the hazardo...
08/22/2000
5829255System and method for direct-contact condensation with condensate in steam-turbine power plants evaporators
A system and method for direct-contact condensation with condensate, cold, and heat supplies in steam-turbine power plants, evaporators, and other heat-and-mass transfer equipment having a condenser. Outside snow/ice collectors accumulate and store snow, ...
11/03/1998
5794447Rankine cycle boiler feed via hydrokinetic amplifier
A hydrokinetic amplifier can pump and heat condensate returned to a boiler in a Rankine cycle system by receiving vapors at different pressures that are directed into merger with a condensate stream that is accelerated through merging regions. By properly...
08/18/1998
5669220Method and device for operating the water/steam cycle of a thermal power station
A method of operating a water/steam cycle of a thermal power station, for example a steam power station, combined heat and power station or combined cycle power station, having a preheating section for condensate, a steam generator, a steam turbine with a...
09/23/1997
4873827Steam turbine plant
A steam turbine plant comprising: (a) first, second and third turbines which are coaxially combined with each other; (b) a boiler for supplying high pressure steam to the first turbine; (c) first, second and third bypass means for selectively bypassing st...
10/17/1989
4637215Regenerator 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
4573323Steam generating apparatus and methods
Steam generating apparatus and methods wherein a liquid is recirculated within a boiler by use of a constant speed dynamic feed water pump acting both to feed the boiler and to effect recirculating therein by a jet pump with its jet nozzle in liquid flow ...
03/04/1986
4553397Method and apparatus for a thermodynamic cycle by use of compression
A working fluid in the gaseous state at some initial temperature and pressure is expanded polytropically to a resulting exhaust fluid having some lower temperature and pressure in order to produce useful work. Large quantities of a pressured motive liquid...
11/19/1985
4535594Method 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
4526006Heat transfer method and apparatus
A boiler for a heat sensitive working fluid in which there are three systems, first, a stream of hot combustion gas system, second, a heat transfer fluid system and lastly, a heat sensitive working fluid system. The heat transfer fluid is at the interface...
07/02/1985
4442675Method for thermodynamic cycle
A working fluid in the gaseous state at some initial temperature and pressure is expanded polytropically to a resulting exhaust fluid (vapor and liquid) having some lower pressure at some lower temperature in order to produce useful work. The exhaust flui...
04/17/1984
4258551Multi-stage, wet steam turbine
A multi-stage, wet steam turbine employs working fluid, such as steam for example, in its two-phase region with vapor and liquid occurring simultaneously for at least part of the cycle, in particular the nozzle expansion. A smaller number of stages than u...
03/31/1981
4249384Isothermal compression-regenerative method for operating vapor cycle heat engine
A method of operation of a vapor cycle heat engine which includes the steps of regeneration, recompression, reheating and isothermal recompression with feedwater spray injection for improved cycle efficiency....
02/10/1981
4065056Method 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
4051680Modified rankine cycle engine apparatus
A modified Rankine cycle steam engine apparatus employs a jet pump to withdraw cooled steam from an adiabatic expansion engine and return the steam to a boiler for reheating. The jet pump draws the expanded, spent steam from the expansion engine into a th...
10/04/1977
4047386Process for heating condensate
A minor portion of low pressure exhaust vapor such as exhaust steam is compressed to a temperature above that which a major part of said exhaust vapor is being condensed, suitably by a centrifugal compressor driven by higher pressure vapor from the same s...
09/13/1977
 
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