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Rankine Cycle

Rankine Cycle-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Processes and compositions for organic rankine cycles for generating mechanical energy from heat
The Chemours Company Fc, Llc
May 18, 2017 - N°20170138223

Disclosed are compositions of novel working fluids uniquely designed for higher cycle efficiencies leading to higher overall system efficiencies. In particular, these working fluids are useful in organic rankine cycle systems for efficiently converting heat from any heat source into mechanical energy. The present invention also relates to novel processes for recovering heat from a heat source using orc systems ...
Volumetric energy recovery device and systems
Eaton Corporation
May 11, 2017 - N°20170130613

A volumetric expander (20) configured to transfer a working fluid and generate useful work includes a housing. The housing includes an inlet port (24) configured to admit relatively high-pressure working fluid and an outlet port (26) configured to discharge to a relatively low-pressure working fluid. The expander also includes first and second twisted meshed rotors (30,32) rotatably disposed in the housing and configured to ...
Removal of non-condensable gases from a closed loop process
Climeon Ab
May 04, 2017 - N°20170122670

A method which allows the ejection of non-condensable gases, notably air, from a closed loop power generation process or heat pump system, is disclosed. A vessel in which a working fluid is absorbed or condensed can be separated from the power generation processes by valves. Residual gas comprising c02, non-condensable gas such as air, water and alkaline materials including amines ...
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Apparatus for utilizing heat wasted from engine
Sanden Holdings Corporation
April 20, 2017 - N°20170107861

Apparatus for utilizing heat wasted from an engine includes first pressure detecting means (73) and first temperature detecting means (81) for detecting a pressure and a temperature in a refrigerant passage extending from a condenser (38) to a refrigerant pump (32), second pressure detecting means (72) and second temperature detecting means (82) for detecting a pressure and a temperature in a refrigerant passage extending from a ...
Working medium and heat cycle system
Sanden Holdings Corporation
April 13, 2017 - N°20170101568

A working medium for heat cycle comprising 1-chloro-2,3,3,3-tetrafluoropropene is employed for a heat cycle system (such as a rankine cycle system, a heat pump cycle system, a refrigerating cycle system 10 or a heat transport system).
Working medium and heat cycle system
Sanden Holdings Corporation
April 13, 2017 - N°20170101567

A working medium for heat cycle comprising 1-chloro-2,3,3,3-tetrafluoropropene is employed for a heat cycle system (such as a rankine cycle system, a heat pump cycle system, a refrigerating cycle system 10 or a heat transport system).
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Engine waste-heat utilization device
Sanden Holdings Corporation
March 23, 2017 - N°20170082061

Apparatus for utilizing heat wasted from an engine includes: a rankine cycle (31); a transmission mechanism that couples an output shaft of an expansion device (37) to a rotary shaft of an engine via an electromagnetic clutch (32) that can be engaged and disengaged; a passage (65) through which refrigerant exiting a heat exchanger (36) flows so as to bypass the expansion device (37); and a ...
Systems and methods for power peaking with energy storage
Supercritical Technologies, Inc.
March 23, 2017 - N°20170081980

Disclosed illustrative embodiments include systems and methods for power peaking with energy storage. In an illustrative, non-limiting embodiment, a power plant includes a thermodynamic piping circuit having a working fluid contained therein, and the working fluid has a flow direction and a flow rate. Power plant components are interposed in the thermodynamic piping circuit. The power plant components include a ...
Waste heat recovery device, gas turbine plant provided with same, and waste heat recovery method
Mitsubishi Hitachi Power Systems, Ltd.
March 16, 2017 - N°20170074164

A waste heat recovery device includes: a low-boiling-point medium rankine cycle in which a low-boiling-point medium circulates while the low-boiling-point medium is repeatedly condensed and evaporated; a heated water line that guides liquid water, which is heated here, to the low-boiling-point medium rankine cycle from a waste heat recovery boiler; and a water recovery line that returns the water, which ...
Rankine cycle pump and recuperator design for multiple boiler systems
Avl Powertrain Engineering, Inc.
March 09, 2017 - N°20170067371

A waste heat recovery system for an engine is disclosed. In one example, the waste heat recovery system includes an expander, a first heat exchanger system, and a second heat exchanger system. The expander is configured to convert waste heat from a working fluid into mechanical energy. The first heat exchanger system is in fluid communication with the expander, the ...
Organic rankine cycle based conversion of gas processing plant waste heat into power
Saudi Arabian Oil Company
March 02, 2017 - N°20170058722

A system includes a waste heat recovery heat exchanger configured to heat a heating fluid stream by exchange with a heat source in a crude oil associated gas processing plant. The system includes an organic rankine cycle energy conversion system including a pump, an energy conversion heat exchanger configured to heat the working fluid by exchange with the heated heating ...
Power generation using independent dual organic rankine cycles from waste heat systems in diesel hydrotreating-hydrocracking ...
Saudi Arabian Oil Company
March 02, 2017 - N°20170058721

Optimizing power generation from waste heat in large industrial facilities such as petroleum refineries by utilizing a subset of all available hot source streams selected based, in part, on considerations for example, capital cost, ease of operation, economics of scale power generation, a number of orc machines to be operated, operating conditions of each orc machine, combinations of them, or ...
Power generation using independent triple organic rankine cycles from waste heat in integrated crude oil ...
Saudi Arabian Oil Company
March 02, 2017 - N°20170058718

A power generation system includes four heating fluid circuits thermally coupled to heat sources from sub-units of a petrochemical refining system. The sub-units include a hydrocracking plant, an aromatics plant, and a diesel hydro-treating plant. Subsets of the heat sources includes hydrocracking plant heat exchangers coupled to streams in the hydrocracking plant, aromatics plant heat exchangers coupled to streams in ...
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Organic rankine cycle based conversion of gas processing plant waste heat into power and cooling
Saudi Arabian Oil Company
March 02, 2017 - N°20170058711

A system includes a waste heat recovery heat exchanger configured to heat a heating fluid stream by exchange with a heat source in a crude oil associated gas processing plant; and an organic rankine cycle energy conversion system. The organic rankine cycle energy conversion system includes a heat exchanger configured to heat a first portion of a working fluid by ...
Power generation using independent dual organic rankine cycles from waste heat systems in diesel hydrotreating-hydrocracking ...
Saudi Arabian Oil Company
March 02, 2017 - N°20170058706

Optimizing power generation from waste heat in large industrial facilities such as petroleum refineries by utilizing a subset of all available hot source streams selected based, in part, on considerations for example, capital cost, ease of operation, economics of scale power generation, a number of organic rankine cycle (orc) machines to be operated, operating conditions of each orc machine, combinations ...
Power generation from waste heat in integrated crude oil hydrocracking and aromatics facilities
Saudi Arabian Oil Company
March 02, 2017 - N°20170058705

A power generation system includes two heating fluid circuits coupled to multiple heat sources from multiple sub-units of a petrochemical refining system. The sub-units include an integrated hydrocracking plant and aromatics plant. A first subset and a second subset of the heat sources includes diesel hydro-treating plant heat exchangers coupled to streams in the diesel hydro-treating plant and aromatics plant ...
Power generation from waste heat in integrated hydrocracking and diesel hydrotreating facilities
Saudi Arabian Oil Company
March 02, 2017 - N°20170058703

A power generation system includes a heating fluid circuit thermally coupled to multiple heat sources from at least an integrated hydrocracking plant and diesel hydro-treating plant of a petrochemical refining system. A first subset of the heat sources includes diesel hydro-treating plant heat exchangers coupled to streams in the diesel hydro-treating plant. A second subset of the heat sources includes ...
Dry cooling system for powerplants
Holtec International
February 23, 2017 - N°20170051981

An indirect dry cooling system suitable for steam condensing applications in a power plant rankine cycle in one embodiment includes an air cooled condenser having a plurality of interconnected modular cooling cells. Each cell comprises a blower and tube bundle assemblies each including inlet headers, outlet headers, and plurality of tubes extending between the headers. In one embodiment, the tube ...
Dry cooling system for powerplants
Holtec International
February 23, 2017 - N°20170051980

An indirect dry cooling system suitable for steam condensing applications in a power plant rankine cycle includes an air blast chiller having a plurality of interconnected modular cooler cells. Each cell comprises a blower and tube bundle including inlet headers, outlet headers, and plurality of tubes extending between the headers. In one embodiment, the tube bundles form an a-frame cell ...
Evaporator and rankine cycle system
Panasonic Corporation
February 09, 2017 - N°20170037743

An evaporator includes an introducing portion that introduces a heat source gas from a heat source gas pipe, a heat source gas passage through which the heat source gas introduced from the introducing portion flows, a heating portion that is disposed in the heat source gas passage and at which a working fluid is heated by the heat source gas, ...
Vortex tube supplying superheated vapor for turbine power generation
Panasonic Corporation
January 26, 2017 - N°20170023236

The vortex tube when properly used within a rankine cycle can produce phenomenal results. This invention functionally describes the preferred vortex tube used to produce superheated vapor from a compressed heated liquid without summoning the additional heat required for latent-heat to effect vaporization. The vortex tube provides superheated vapor to a turbine for generating electricity burning 50% less fossil fuel, also ...
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