WO2020236882A4 - System and apparatus for energy conversion - Google Patents

System and apparatus for energy conversion Download PDF

Info

Publication number
WO2020236882A4
WO2020236882A4 PCT/US2020/033717 US2020033717W WO2020236882A4 WO 2020236882 A4 WO2020236882 A4 WO 2020236882A4 US 2020033717 W US2020033717 W US 2020033717W WO 2020236882 A4 WO2020236882 A4 WO 2020236882A4
Authority
WO
WIPO (PCT)
Prior art keywords
chiller
working fluid
engine
conduits
volume
Prior art date
Application number
PCT/US2020/033717
Other languages
French (fr)
Other versions
WO2020236882A1 (en
Inventor
Joshua Tyler Mook
Michael Thomas Gansler
Scott Douglas Waun
Kevin Michael Vandevoorde
Aigbedion Akwara
Michael Robert NOTARNICOLA
Jason Joseph Bellardi
Mohammed El Hacin Sennoun
Mohamed Osama
Mary Kathryn Thompson
Original Assignee
General Electric Company
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
Priority claimed from US16/418,129 external-priority patent/US10724470B1/en
Application filed by General Electric Company filed Critical General Electric Company
Priority to EP23184858.1A priority Critical patent/EP4249745A3/en
Priority to CN202080052153.4A priority patent/CN114127405A/en
Priority to EP20733878.1A priority patent/EP3973167B8/en
Publication of WO2020236882A1 publication Critical patent/WO2020236882A1/en
Publication of WO2020236882A4 publication Critical patent/WO2020236882A4/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G1/00—Hot gas positive-displacement engine plants
    • F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
    • F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
    • F02G1/053—Component parts or details
    • F02G1/055—Heaters or coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G2256/00—Coolers
    • F02G2256/04—Cooler tubes

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)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Tires In General (AREA)

Abstract

An aspect of the present disclosure is directed to a system for energy conversion. The system includes a closed cycle engine containing a volume of working fluid. The engine includes an expansion chamber and a compression chamber each separated by a piston attached to a connection member of a piston assembly. The engine further includes a plurality of heater conduits extended from the expansion chamber. The engine includes a plurality of chiller conduits extended from the compression chamber. The expansion chamber and heater conduits are fluidly connected to the compression chamber and chiller conduits via a walled conduit.

Claims

AMENDED CLAIMS received by the International Bureau on 13 November 2020 (13.11.2020) WHAT IS CLAIMED IS:
1. A system (A10) for energy conversion, the system (A10) comprising: a closed cycle engine (A100) containing a volume of working fluid, the engine (A100) comprising an expansion chamber (A221) separated from a compression chamber (A222) by a piston wherein the engine (A100) comprises a cold side heat exchanger (A42) through which a plurality of chiller conduits (A54) is extended from the compression chamber (A222), wherein the cold side heat exchanger (A42) comprises a chiller working fluid passage (A66) in thermal communication with the plurality of chiller conduits (A54), and wherein the engine (A100) comprises two or more piston bodies (C700), the compression chamber (A222) and the expansion chamber (A221) positioned within each piston body (C700), and wherein the chiller working fluid passage (A66) comprises a first chiller working fluid passage (A68) positioned at each piston body (C700) laterally proximate to the expansion chamber (A221), and wherein the chiller working fluid passage (A66) further comprises a second chiller working fluid passage (A70) positioned at each piston body (C700) laterally distal to the expansion chamber (A221) relative to the first chiller working fluid passage (A66), and wherein a chiller working fluid flowpath is extended from the first chiller working fluid passage (A68) at one piston body (C700) to the second chiller working fluid passage (A70) at another piston body (C700).
2. The system (A10) of claim 1, wherein the chiller working fluid passage (A66) is fluidly separated from a chiller passage (A56) within the plurality of chiller conduits (A54).
3. The system (A10) of any preceding claim, wherein the plurality of chiller conduits (A54) is extended at least partially co-directional to a centerline axis of the expansion chamber (A221) and the compression chamber (A222) of a piston body (C700).
4. The system (A10) of any preceding claim, wherein the plurality of chiller conduits (A54) is extended at least partially circumferentially relative to the centerline axis of the piston body (C700).
AMENDED SHEET (ARTICLE 19)
68
5. The system (A10) of any preceding claim, further comprising:
a chamber wall (A52) extended between an inner volume wall (A46) and an outer volume wall (A48), wherein the inner volume wall (A46) at least partially defines the compression chamber (A222), and wherein the chamber wall (A52), the inner volume wall (A46), and the outer volume wall (A48) together define the chiller working fluid passage (A66).
6. The system (A10) of any preceding claim, wherein the chiller working fluid passage (A66) at least partially circumferentially surrounds each piston body (C700) in thermal communication with the plurality of chiller conduits (A54).
7. The system (A10) of any preceding claim, wherein the engine (A100) comprises a ratio of maximum cycle volume of the working fluid to a volume of the working fluid in the plurality of chiller conduits (A54) between 10 and 100.
8. The system (A10) of any preceding claim, wherein the engine (A100) comprises a ratio of surface area of the plurality of chiller conduits (A54) to volume of the working fluid in the plurality of chiller conduits (A54) between 7 and 40.
9. The system (A10) of claim 8, wherein the surface area of the plurality of chiller conduits (A54) is between a chiller passage opening (A58) in fluid communication with the compression chamber (A222) and a chiller collection chamber opening (A60) in fluid communication with a chiller collector (A62).
10. The system (A10) of any preceding claim, wherein the engine (A100) comprises a plurality of heater conduits (Cl 10) extended from the expansion chamber (A221), and wherein the engine (A100) comprises a ratio of maximum cycle volume of the working fluid to a volume of the working fluid in the plurality of heater conduits (Cl 10) between 2.5 and 25.
AMENDED SHEET (ARTICLE 19)
69
11. The system (A10) of any preceding claim, wherein the engine (A100) comprises a plurality of heater conduits (Cl 10) extended from the expansion chamber (A221), and wherein the engine (A100) comprises a ratio of surface area of the plurality of heater conduits (Cl 10) to volume of the working fluid in the plurality of heater conduits (Cl 10) between 8 and 40.
12. The system (A10) of claim 11, wherein the surface area of the plurality of heater conduits (Cl 10) is between a first opening in direct fluid communication with the expansion chamber (A221) and a second opening in direct fluid
communication with a walled conduit (A1050).
13. The system (A10) of any preceding claim, wherein the engine (A100) comprises a first operating parameter, wherein the first operating parameter comprises a multiplication product of average cycle pressure of the working fluid in MPa, a swept volume of the working fluid in cc3, and a cycle frequency of the piston assembly (A1010), the first operating parameter being greater than or equal to 0.10.
14. The system (A10) of claim 13, wherein the first operating parameter is less than or equal to 0.35.
15. The system (A10) of any preceding claim, wherein the engine (A100) comprises a second operating parameter defining a ratio of mechanical power output from the piston assembly (A1010) to maximum cycle volume of the working fluid between 0.0005 kilowatt per cubic centimeter (kW/cc) and 0.0040 kW/cc at an engine efficiency of at least 50%.
16. The system (A10) of any preceding claim, the system (A10) comprising:
a heater body (Cl 00) configured to provide thermal energy to the engine working fluid at a plurality of heater conduits (Cl 10) extended from the expansion chamber (A221), wherein the engine (A100) defines an outer end (A103) and an inner end (A104) each relative to a lateral extension of the piston assembly (A1010), and
AMENDED SHEET (ARTICLE 19)
70 wherein the outer end (A103) defines laterally distal ends of the engine (A100) and the inner end (A104) defines a laterally inward position of the engine (A100), and wherein the heater body (Cl 00) is positioned at the outer end (A103).
17. The system (A10) of any preceding claim, the system (A10) comprising:
a load device (C092) operably coupled to the piston assembly (A1010), wherein the load device (C092) is positioned at the inner end (A104) of the system (A10) between the pistons of the piston assembly (A1010).
18. The system (A10) of any preceding claim, wherein the system (A10) comprises four piston assemblies (A1010).
19. The system (A10) of any preceding claim, wherein the system (A10) comprises a third operating parameter defining a multiplication product of power density and efficiency between 51 and 400 kW/cubic meters.
20. The system (A10) of any preceding claim, wherein the plurality of chiller conduits (A54) is extended from an opening (A58) defined at the compression chamber (A222).
AMENDED SHEET (ARTICLE 19)
71
PCT/US2020/033717 2019-05-21 2020-05-20 System and apparatus for energy conversion WO2020236882A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP23184858.1A EP4249745A3 (en) 2019-05-21 2020-05-20 System and apparatus for energy conversion
CN202080052153.4A CN114127405A (en) 2019-05-21 2020-05-20 Energy conversion system and apparatus
EP20733878.1A EP3973167B8 (en) 2019-05-21 2020-05-20 System and apparatus for energy conversion

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
US201962850623P 2019-05-21 2019-05-21
US201962850692P 2019-05-21 2019-05-21
US201962850599P 2019-05-21 2019-05-21
US201962850678P 2019-05-21 2019-05-21
US201962850701P 2019-05-21 2019-05-21
US16/418,129 2019-05-21
US62/850,599 2019-05-21
US62/850,701 2019-05-21
US62/850,678 2019-05-21
US16/418,129 US10724470B1 (en) 2019-05-21 2019-05-21 System and apparatus for energy conversion
US62/850,623 2019-05-21
US62/850,692 2019-05-21

Publications (2)

Publication Number Publication Date
WO2020236882A1 WO2020236882A1 (en) 2020-11-26
WO2020236882A4 true WO2020236882A4 (en) 2021-01-14

Family

ID=71108655

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2020/033717 WO2020236882A1 (en) 2019-05-21 2020-05-20 System and apparatus for energy conversion

Country Status (3)

Country Link
EP (2) EP3973167B8 (en)
CN (1) CN114127405A (en)
WO (1) WO2020236882A1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3237841A1 (en) * 1982-10-12 1984-04-12 Franz X. Prof. Dr.-Ing. 8000 München Eder Thermally operated heat pump
US5172784A (en) * 1991-04-19 1992-12-22 Varela Jr Arthur A Hybrid electric propulsion system
US8944155B2 (en) * 2010-07-15 2015-02-03 Dana Canada Corporation Annular axial flow ribbed heat exchanger
CZ303266B6 (en) * 2010-11-09 2012-07-04 Libiš@Jirí Double-acting displacer with separated hot and cold spaces and heat engine with such a double-acting displacer
GB201019287D0 (en) * 2010-11-15 2010-12-29 Heat engine
GB2498378A (en) * 2012-01-12 2013-07-17 Isis Innovation Linear Stirling machine with expansion and compression pistons coupled by gas spring
CA2778101A1 (en) * 2012-05-24 2013-11-24 Jean Pierre Hofman Power generation by pressure differential

Also Published As

Publication number Publication date
EP4249745A2 (en) 2023-09-27
EP3973167A1 (en) 2022-03-30
EP3973167B1 (en) 2023-07-12
EP4249745A3 (en) 2023-12-06
EP3973167B8 (en) 2023-08-16
WO2020236882A1 (en) 2020-11-26
CN114127405A (en) 2022-03-01

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