EP 2899375 A1 20150729 - Heat engine with high efficiency attributable to temperature responsive equilibrium reactions and method for optimization
Title (en)
Heat engine with high efficiency attributable to temperature responsive equilibrium reactions and method for optimization
Title (de)
Wärmekraftmaschine mit hohem Wirkungsgrad im Zusammenhang mit temperaturempfindlichen Gleichgewichtsreaktionen und Verfahren zur Optimierung
Title (fr)
Moteur thermique à haut rendement imputable à des réactions d'équilibre réagissant à la température et procédé d'optimisation
Publication
Application
Priority
US 201414163707 A 20140124
Abstract (en)
Heat engines perform a thermodynamic cycle, making use of working fluid which increases pressure and/or volume in response to temperature, resulting in the transformation of heat into useful work. The present invention makes use of a particular type of working fluid that undergoes one or more reversible chemical reactions in response to an increase in temperature, to increase the molar quantity of fluid, producing more useful work and higher thermal efficiency than similar, conventional engines. One embodiment takes the form of a Stirling engine, with a regenerative heat exchange process which recovers most of the energy required to cause the chemical dissociation, ensuring efficiency gain. A method for selecting the working fluid, useful temperature ranges for the engine, and other operating parameters is also claimed. Other types of embodiments may take the form of turbine engines, with one embodiment being a turbine engine that approximates an Ericsson cycle.
IPC 8 full level
F01K 25/08 (2006.01); F02G 1/043 (2006.01)
CPC (source: EP)
F01K 25/08 (2013.01); F02G 1/043 (2013.01); F02G 2290/00 (2013.01)
Citation (applicant)
- US 8874256 B2 20141028 - MYLET NEIL T [US]
- US 8534063 B2 20130917 - JOHANSSON STEFAN [US], et al
- US 3871179 A 19750318 - BLAND REGINALD B
- ARTIN DER MINASSIANS; SETH R. SANDERS: "Stirling Engines for Distributed Low-Cost Solar Thermal Electric Power Generation", JOURNAL OF SOLAR ENERGY ENGINEERING, vol. 133, February 2011 (2011-02-01), pages 011015 - 3
- WALKER G.: "Stirling Engines", 1980, CLARENDON PRESS
- ARTIN DER MINASSIANS; SETH R. SANDERS: "Multiphase Stirling Engines", JOURNAL OF SOLAR ENERGY ENGINEERING, vol. 131, May 2009 (2009-05-01), pages 021013 - 3
- C.E. ILLIFFE: "Thermal Analysis of the Contra-Flow Regenerative Heat Exchanger", PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS, vol. 159, no. 1, June 1948 (1948-06-01), pages 363 - 372
Citation (search report)
- [XI] US 2006080960 A1 20060420 - RAJENDRAN VEERA P [US], et al
- [X] US 4229942 A 19801028 - GOMBERG HENRY J, et al
- [X] US 2005178125 A1 20050818 - SKINNES BJORN [NO], et al
- [X] US 5392606 A 19950228 - LABINOV SOLOMON D [US], et al
- [X] LOVEGROVE K ET AL: "EXERGY ANALYSIS OF AMMONIA-BASED SOLAR THERMOCHEMICAL POWER SYSTEMS", SOLAR ENERGY, PERGAMON PRESS. OXFORD, GB, vol. 66, no. 2, 1 June 1999 (1999-06-01), pages 103 - 115, XP004362654, ISSN: 0038-092X, DOI: 10.1016/S0038-092X(98)00132-7
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
EP 15000186 A 20150123