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WO2011140075A3 - Heat engine with cascaded cycles - Google Patents

Heat engine with cascaded cycles Download PDF

Info

Publication number
WO2011140075A3
WO2011140075A3 PCT/US2011/034980 US2011034980W WO2011140075A3 WO 2011140075 A3 WO2011140075 A3 WO 2011140075A3 US 2011034980 W US2011034980 W US 2011034980W WO 2011140075 A3 WO2011140075 A3 WO 2011140075A3
Authority
WO
WIPO (PCT)
Prior art keywords
working fluid
energy
expander
fluid
heat engine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2011/034980
Other languages
French (fr)
Other versions
WO2011140075A2 (en
Inventor
Nalin Walpita
John G. Brisson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Solartrec Inc
Original Assignee
Solartrec Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Solartrec Inc filed Critical Solartrec Inc
Publication of WO2011140075A2 publication Critical patent/WO2011140075A2/en
Anticipated expiration legal-status Critical
Publication of WO2011140075A3 publication Critical patent/WO2011140075A3/en
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
    • F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/32—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines using steam of critical or overcritical pressure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

A method of converting thermal energy into another energy form using a thermodynamic cycle is disclosed, the method including the steps of: pressurizing a working fluid; supplying thermal energy to heat the working fluid from a liquid or substantially liquid state to a supercritical fluid state; in a first expander, substantially isentropically expanding the working fluid to yield energy in the other energy form; separating the expanded working fluid to form a first portion of the fluid diverted to a second expander and a second portion of the working fluid diverted to bypass the second expander; in the second expander, substantially isentropically expanding the first portion of the working fluid to yield energy in the other energy form; condensing the expanded first portion of the working fluid to a liquid or substantially liquid state; and recombining the first and second portions of the working fluid to be recirculated in the cycle.
PCT/US2011/034980 2010-05-04 2011-05-03 Heat engine with cascaded cycles Ceased WO2011140075A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/773,431 US20110271676A1 (en) 2010-05-04 2010-05-04 Heat engine with cascaded cycles
US12/773,431 2010-05-04

Publications (2)

Publication Number Publication Date
WO2011140075A2 WO2011140075A2 (en) 2011-11-10
WO2011140075A3 true WO2011140075A3 (en) 2013-07-04

Family

ID=44626321

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2011/034980 Ceased WO2011140075A2 (en) 2010-05-04 2011-05-03 Heat engine with cascaded cycles

Country Status (2)

Country Link
US (1) US20110271676A1 (en)
WO (1) WO2011140075A2 (en)

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US20130093192A1 (en) * 2011-10-18 2013-04-18 John Lee Warren Decoupled, fluid displacer, sterling engine
CA2778101A1 (en) * 2012-05-24 2013-11-24 Jean Pierre Hofman Power generation by pressure differential
CN102926827B (en) * 2012-10-17 2015-06-10 吉林大学 Potential-utilized type free piston organic Rankine cycle energy conversion device
EP2932106A4 (en) * 2012-12-16 2016-11-23 Isocurrent Energy Inc ENERGY STORAGE SYSTEM USING COMPRESSED AIR
ITMI20130375A1 (en) * 2013-03-12 2014-09-13 Newcomen S R L CLOSED CYCLE SYSTEM
ITBS20130184A1 (en) * 2013-12-19 2015-06-20 Turboden Srl METHOD OF CONTROL OF AN ORGANIC RANKINE CYCLE
US10451000B2 (en) 2015-02-20 2019-10-22 Barry W. Johnston Nearly full adiabatic engine
DE102015105878B3 (en) 2015-04-17 2016-06-23 Nexus Gmbh Supercritical cycle with isothermal expansion and free piston heat engine with hydraulic energy extraction for this cycle
CN105201761B (en) * 2015-10-16 2018-05-15 沈阳建筑大学 Heat storage type solar thermal machine
CN106855031A (en) * 2015-12-08 2017-06-16 时扬 A kind of solar energy thermo-motor
JP6630024B2 (en) * 2017-04-13 2020-01-15 アムネクスト・テクノロジ株式会社 engine
RU2659598C1 (en) * 2017-07-14 2018-07-03 Анатолий Александрович Рыбаков Method of thermal energy transformation to electricity by free linked energy-module with linear electric generator, heat exchanger and refrigerator
CN108518249B (en) * 2018-06-12 2023-12-12 匡亚剑 Vertical arrangement type steam turbine generator
CN111636936A (en) * 2019-04-15 2020-09-08 李华玉 Single working medium steam combined cycle
CN111608756A (en) * 2019-04-23 2020-09-01 李华玉 Single working medium steam combined cycle
CN111608755A (en) * 2019-04-23 2020-09-01 李华玉 Single working medium steam combined cycle
CN111561367A (en) * 2019-04-25 2020-08-21 李华玉 Single working medium steam combined cycle
CN111561368A (en) * 2019-04-26 2020-08-21 李华玉 Single working medium steam combined cycle
CN115478920A (en) * 2019-06-13 2022-12-16 李华玉 Reverse single working medium steam combined cycle
CN111536003A (en) * 2020-06-02 2020-08-14 西安热工研究院有限公司 Solar power generation system and method adopting non-tracking heat collector and linear generator
US11421559B1 (en) * 2021-03-15 2022-08-23 Mareekh Design Pty Ltd. Method of hybrid power generation in an environment with a gas pressure below the Earth's atmospheric pressure
GB2612785B (en) * 2021-11-10 2024-01-31 Eliyahu Nitzan Thermal oscillation systems
WO2024231932A1 (en) * 2023-05-09 2024-11-14 Exency Ltd Heat management in a cycling liquid-vapor stream
US12180960B2 (en) 2023-05-15 2024-12-31 Spherical Rotors Inc. Rotary positive displacement device

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US4043130A (en) * 1975-02-10 1977-08-23 Westinghouse Electric Corporation Turbine generator cycle for provision of heat to an external heat load
EP0178617A1 (en) * 1984-10-15 1986-04-23 Hitachi, Ltd. Steam turbine plant having a turbine bypass system
US5361585A (en) * 1993-06-25 1994-11-08 General Electric Company Steam turbine split forward flow
US5404724A (en) * 1994-04-07 1995-04-11 Westinghouse Electric Corporation Boiler feedpump turbine drive/feedwater train arrangement
DE102009026053A1 (en) * 2008-07-01 2010-01-07 General Electric Co. Overload valve for a steam turbine and associated method

Also Published As

Publication number Publication date
US20110271676A1 (en) 2011-11-10
WO2011140075A2 (en) 2011-11-10

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