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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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Valve network and method for controlling pressure within a supercritical working fluid circuit in a ...
November 02, 2017 - N°20170314420

Aspects of the invention generally provide a heat engine system and a method for activating a turbopump within the heat engine system during a start-up process. The heat engine system utilizes a working fluid circulated within a working fluid circuit for capturing thermal energy. In one exemplary aspect, a start-up process for a turbopump in the heat engine system is ...
Waste heat recovery device
Sanden Holdings Corporation
October 26, 2017 - N°20170306804

In a waste heat recovery device comprising a rankine cycle in which working fluid circulates and a cooling circuit in which coolant water of an engine circulates, a heat source of a heater of the rankine cycle is waste heat of the engine. A condenser of the rankine cycle is configured to exchange heat between the working fluid and coolant ...
Organic rankine cycle based conversion of gas processing plant waste heat into power and cooling
Saudi Arabian Oil Company
October 26, 2017 - N°20170306803

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 ...
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Hybrid electric aircraft with rankine cycle heat recovery system
Hamilton Sundstrand Corporation
October 12, 2017 - N°20170292447

A propulsion system includes a gas turbine engine, an electric motor system having a motor drive electrically connected to the electric machine and an electric motor electrically connected to the motor drive where the electric motor drives a propulsion unit, an electric machine rotatably attached to the gas turbine engine and electrically connected to the electric motor system, an energy ...
Controlled organic rankine cycle system for recovery and conversion of thermal energy
Hamilton Sundstrand Corporation
October 05, 2017 - N°20170284230

A system for controlled recovery of thermal energy and conversion to mechanical energy. The system collects thermal energy from a reciprocating engine, specifically from engine jacket fluid and/or engine exhaust and uses this thermal energy to generate a secondary power source by evaporating an organic propellant and using the gaseous propellant to drive an expander in production of mechanical ...
System using heat energy to produce power and pure water
Solar Turbines Incorporated
September 28, 2017 - N°20170275190

A system may be configured to use heat energy to produce power and potable water. The system may include an organic rankine cycle (orc) subsystem configured to receive heat energy from one or more sources and convert that heat energy into usable power. The system may also include an air gap membrane distillation (agmd) subsystem configured to receive heat energy ...
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Rankine Cycle Patent Applications
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Method to maximize energy recovery in waste-to-energy process
Pyrogenesis Canada Inc.
September 07, 2017 - N°20170254228

In a fossil fuel waste incineration or plasma gasification process, waste heat generated by combustion of waste is captured by a heat transfer fluid and conveyed to an organic rankine cycle (orc) for energy recovery. In the case of a fossil fuel-fired waste incineration system, the heat transfer fluid captures waste heat from a double-walled combustion chamber, a heat exchanger ...
Heat recovery system and method
Cyclect Electrical Engineering Pte Ltd
August 24, 2017 - N°20170241679

The present invention relates to a heat recovery system and method for recovering heat for heating water to a predetermined temperature. There is disclosed a heat recovery system comprising an organic rankine cycle (orc) system and a heat pump system, wherein the orc system is operatively coupled to the heat pump system via coupling means. Heat that is recovered from ...
Heat exchanger for a rankine cycle in a vehicle muffler
Ford Global Technologies, Llc
August 17, 2017 - N°20170234265

A vehicle is provided with an engine having an exhaust gas system comprising a muffler body containing a valve controlling exhaust gas flow through a tuning tube. The vehicle has an expander, a condenser, a pump, and an evaporator in sequential fluid communication in a closed loop containing a working fluid. The evaporator is positioned within the body and supports ...
Cooling device for internal combustion engine
Toyota Jidosha Kabushiki Kaisha
August 10, 2017 - N°20170226918

A cooling device for an internal combustion engine including: an ebullient cooling system in which a refrigerant cools the internal combustion engine by boiling in the internal combustion engine, and a rankine cycle system including a superheater that superheats the refrigerant discharged from the internal combustion engine, a turbine to which the refrigerant discharged from the superheat is supplied, and ...
System and method for in-cylinder thermal energy recovery and controlling cylinder temperature
Ford Global Technologies, Llc
August 03, 2017 - N°20170218878

Methods and systems are provided for an in-cylinder thermal energy recovery device that utilizes the rankine cycle to recover energy from exhaust gasses that may be used to produce additional work in the vehicle. In one example, a method may include outfitting the head area of each cylinder of an engine with a tube array comprising one or more tubes ...
Rankine cycle system
Toyota Jidosha Kabushiki Kaisha
July 20, 2017 - N°20170204775

A rankine cycle system includes: an internal combustion engine; a gas-liquid separator; a first pump; a steam generator; a superheater; an expander; a condenser; a first control valve; and a controller.
Rapid warm-up schemes of engine and engine coolant for higher fuel efficiency
Toyota Motor Engineering & Manufacturing North America, Inc.
June 29, 2017 - N°20170183979

A system for rapidly heating a vehicle engine when the engine is below a pre-determined temperature allows for improved fuel efficiency after a vehicle cold-start. The system includes an organic rankine cycle (orc) loop having a two-phase orc fluid traveling circuitously through a conduit. The orc fluid is vaporized by a power electronics cooling device and by an evaporator in ...
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Rankine Cycle Patent Applications
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Rankine cycle system for vehicle
Toyota Jidosha Kabushiki Kaisha
June 22, 2017 - N°20170175587

A rankine cycle system includes a boiler configured to apply waste heat to refrigerant circulating in an internal-combustion engine to vaporize the refrigerant; a gas-liquid separator configured to separate gas-liquid two-phase refrigerant, sent from the boiler, into gas phase fluid and liquid phase fluid; a superheater configured to superheat the gas phase fluid, sent from the gas-liquid separator, through heat ...
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 ...
System for controlling a rankine cycle
Arkema France
May 04, 2017 - N°20170122134

A system for producing electricity, including a closed circuit of heat-transfer fluid which includes an evaporator, an expansion member, a condenser and a circulation pump, a generator being coupled to the expansion member, in which system a liquid-vapour separator provided with a liquid reservoir is positioned between the evaporator and the expansion member, the system being further provided with a ...
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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