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7578139 |
Refrigeration system including refrigeration cycle and rankine cycle
A controller reduces a rotational speed of a Rankine cycle from a predetermined normal rotational speed during an operation of a compressor in a predetermined state when the controller determines...
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7347049 |
Method and system for thermochemical heat energy storage and recovery
Disclosed herein is a system for generating energy, comprising a first heat exchanger in communication with a first heat source; wherein the first heat exchanger contacts a transfer fluid that...
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7204968 |
Method of producing heat energy
Energy in the form of heat is recoverable and controllable in a process that reacts an acid and a base in the presence of steam. The recovered heat energy can be used to vaporize water to form...
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7096665 |
Cascading closed loop cycle power generation
Cascading Closed Loop Cycle (CCLC) and Super Cascading Closed Loop Cycle (Super-CCLC) systems are described for recovering power in the form of mechanical or electrical energy from the waste heat...
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7019412 |
Power generation methods and systems
A closed loop system for generating mechanical energy at high efficiencies. The system can have a heating source, a superheater, an expander, a receiver, an absorber, a desorber, and regenerator...
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6820421 |
Low temperature geothermal system
A new thermodynamic cycle is disclosed for converting energy from a low temperature stream from an external source into useable energy using a working fluid comprising of a mixture of a low boiling...
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6817182 |
High-efficiency Otto cycle engine with power generating expander
High-efficiency combustion engines, including Otto cycle engines, use a steam-diluted fuel charge at elevated pressure. Air is compressed, and water is evaporated into the compressed air via the...
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6715290 |
Fluid mixture separation by low temperature glide heat
Apparatus and process for distilling a fluid mixture using low temperature glide heat are disclosed. A substantial portion of the glide heat is at a temperature lower than the peak distillation...
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6601391 |
Heat recovery
A waste heat recovery system incorporates a contactor for counter current direct heat exchange between a non-condensible gas and a liquid, typically hot water. The water is from a heat source...
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6460338 |
Absorption waste-heat recovery system
An absorption waste-heat recovery system includes a high temperature generator for directly receiving a heat medium fluid containing waste heat for recovering heat therefrom and concentrating a...
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6434943 |
Pressure exchanging compressor-expander and methods of use
A novel pressure-exchange compressor-expander is disclosed whereby a high energy primary fluid compresses a lower energy secondary fluid through direct fluid-fluid momentum exchange. The...
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6298665 |
Power generating device employing hydrogen absorbing alloys and low heat
A power generating device employing hydrogen absorbing alloy and low heat and further comprising: two types of hydrogen absorbing alloys which are able to reversibly absorb and release hydrogen gas...
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6282900 |
Calcium carbide power system with waste energy recovery
A calcium carbide based power system for stationary and mobile power plants. The carbide is reacted with water to create heat and acetylene, with the acetylene then being burned to heat a boiler...
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6263675 |
Technique for controlling DCSS condensate levels in a Kalina cycle power generation system
A method of operating a power generation system is provided. The system includes) a turbine, a regenerative heat exchanger, a vapor generator and a distiller/condenser having multiple condensing...
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6185940 |
Evaporation driven system for power generation and water desalinization
An apparatus and method generates energy and, optionally, produces fresh water using osmotic processes that are driven by energy embodied in the heat of evaporation of water. An osmotic chamber...
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6170263 |
Method and apparatus for converting low grade heat to cooling load in an integrated gasification system
Low grade heat recovered from various sections of an integrated gasification system is used to drive an absorption chilling cycle. In an exemplary embodiment, the recovered low grade heat is used...
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6155052 |
Technique for controlling superheated vapor requirements due to varying conditions in a Kalina cycle power generation system cross-reference to related applications
A method of operating a power generation system is provided. The system includes a turbine, a regenerative heat exchanger, a boiler, and a superheater. The turbine receives a stream of first...
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6155053 |
Technique for balancing regenerative requirements due to pressure changes in a Kalina cycle power generation system
A method of operating a power generation system is provided. The system includes a turbine, a regenerative heat exchanger, and a vapor generator. The turbine receives a stream of working fluid and...
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6138456 |
Pressure exchanging ejector and methods of use
A novel pressure-exchange ejector is disclosed whereby a high energy primary fluid compresses a lower energy secondary fluid through direct fluid-fluid momentum exchange. The pressure-exchange...
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6119458 |
Immiscible, direct contact, floating bed enhanced, liquid/liquid heat transfer process
A heat transfer process for a liquid (5) using counterflow, direct contact with another, immiscible fluid (1), of differing temperature and density, in the presence of a free floating media bed...
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6116028 |
Technique for maintaining proper vapor temperature at the super heater/reheater inlet in a Kalina cycle power generation system
A method of operating a power generation system is provided. The system includes a turbine, a distiller/condenser, a boiler, and a superheater. The turbine expands a superheated multicomponent...
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6058695 |
Gas turbine inlet air cooling method for combined cycle power plants
In a combined cycle power system having a gas turbine and one or more bottoming cycle expansion turbines for driving one or more generators, compressor inlet air to the gas turbine is cooled. An...
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5950433 |
Method and system of converting thermal energy into a useful form
A method of implementing a thermodynamic cycle by expanding a gaseous working stream to transform its energy into a useful form and produce an expanded gaseous stream, removing from the expanded...
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5822990 |
Converting heat into useful energy using separate closed loops
Converting heat in a primary fluid (e.g., steam) to useful energy by multistage expansion of the primary fluid, heating of a multicomponent working fluid in a separate closed loop using heat of the...
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5806316 |
Apparatus and method for producing working fluid for a power plant
Apparatus and a method for forming a gas hydrate for use in the production of pressurised gas due to the decomposition of the gas-hydrate in a storage chamber, and for controlled delivery of the...
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5754613 |
Power plant
The disclosed power plant can attain an extremely high thermal efficiency, as compared with that of the conventional power plant. The power plant comprises a steam system and a mixed medium system....
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5649426 |
Method and apparatus for implementing a thermodynamic cycle
A method and apparatus for implementing a thermodynamic cycle. A heated gaseous working stream including a low boiling point component and a higher boiling point component is expanded to transform...
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5638673 |
Method and apparatus using hydrogen-occluded alloy for recovering power from waste heat
An apparatus for a method using hydrogen-occluded alloy for recovering power from waste heat includes first and second heat exchangers containing hydrogen-occluded alloy, a first selector valve for...
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5613362 |
Apparatus and method for energy conversion using gas hydrates
An encagement vessel contains water and a working gas capable of forming hydrate with the water. A heat exchange arrangement is associated with the encagement vessel for removing heat from the...
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5588297 |
Thermal power generator
A thermal power generator includes a high heat source pump, and cold working fluid pumps. An evaporator heat exchanges a high heat source fluid and a warmed working fluid. A liquid-vapor separator...
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5572871 |
System and apparatus for conversion of thermal energy into mechanical and electrical power
Method and apparatus for implementing a thermodynamic cycle in which a gaseous working fluid is expanded to transform its energy into useable form, thereby generating a spent stream which is then...
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5421157 |
Elevated temperature recuperator
A low temperature engine system has an elevated temperature recuperator in the form of a heat exchanger (12) having a first inlet connected to an extraction point (45) at an intermediate position...
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5392606 |
Self-contained small utility system
A method and apparatus is disclosed to provide a fuel efficient source of readily converted energy to an isolated or remote energy consumption facility. External heat from any of a large variety of...
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5247796 |
Solar augmented power system
The present invention relates to an energy conversion system and more particularly tot he related apparatus and process. A reactor chamber is positioned with respect to a means for collecting and...
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5121606 |
Thermodynamic cyclic process
A thermodynamic cyclic process with a gaseous working medium, which is alternately compressed and expanded, in which process a working medium is employed, which experiences a volume expansion due...
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5095708 |
Method and apparatus for converting thermal energy into electric power
A method and apparatus for converting thermal energy into electric power. A high pressure gaseous working stream is expanded, producing a spent stream. The spent stream is condensed, producing a...
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5077030 |
Method of and means for producing power and cooling in manufacturing of ammonia and related products
Modifications are made to the standard process for the manufacture of ammonia and related compounds, resulting in lower operating costs through reduced total energy consumption. In one aspect of...
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5029444 |
Method and apparatus for converting low temperature heat to electric power
A method and apparatus for implementing a thermodynamic cycle which may be used to convert low temperature heat to electric power.
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5010735 |
Centrifugal heat engine and method for using the same
A centrifugal heat engine comprises a first member rotatably mounted on a second member. The first member has an annular chamber on its periphery containing a vaporizable working fluid, and a...
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5007240 |
Hybrid Rankine cycle system
A hybrid Rankine cycle system comprises a boiler in which water steam is generated, a steam turbine which is worked by the water steam from the boiler to drive a generator to obtain an electric...
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4945725 |
Differential-area piston type mixed-phase motors
Motor apparatus which converts hydraulic energy and change of state heat energy to mechanical energy. The motor includes a main chamber divided by a piston into first and second portions. During a...
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4899545 |
Method and apparatus for thermodynamic cycle
A method and apparatus for implementing a thermodynamic cycle, which includes the use of a composite stream, having a higher content of a high-boiling component than a working stream, to provide...
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4885913 |
Open cycle latent heat engine
An open cycle latent heat engine has an elevator (10) rising preferably several thousand feet from a lower level entrance (12) to a higher level exit (13). Warm water vapor is input at the lower...
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4882907 |
Solar power generation
A solar cooling process is described in which tapwater is injected into an adiabatic flash chamber. A portion of the tapwater vaporizes to steam chilling the remainder. A special brine absorbs the...
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4848088 |
Heat recycling process
The present invention relates to process and apparatus for regenerating low temperature, low pressure energy from the vaporization of a primary fluid having a high boiling point and a large latent...
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4843823 |
Use of ejectors for high temperature power generation
Heat engines having improved efficiencies are provided. In accordance with preferred embodiments, topping cycle engines are provided employing ejectors. Use of ejectors in accordance with the...
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4829768 |
Fluid dissociation solar energy collection system
A solar energy collection system utilizing a fluid, e.g. ammonia, which dissociates endothermically and recombines exothermically and in which work output is obtained directly from the...
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4819437 |
Method of converting thermal energy to work
A method is provided for converting sensible heat energy of a heating fluid supplied by a high-temperature heat source to work, by means of a thermodynamic cycle employing a multi-component working...
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4816121 |
Gas phase chemical reactor
Gas or vapor phase chemical reactions are conducted inside an open loop Stirling cycle apparatus which may operate as a heat engine or as a heat pump. Adsorbent surfaces are associated with the...
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4816211 |
Nuclear excited power generation system
A nuclear excited power system includes a gaseous core nuclear reactor through the core of which helium is passed. The helium is excited by the high energy radiation from the nuclear reactor and is...
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