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公开(公告)号：US12129812B2
公开(公告)日：2024-10-29
申请号：US17603151
申请日：2020-05-20
发明人： Kevin Michael VandeVoorde , Joshua Tyler Mook , Aigbedion Akwara , Jason Joseph Bellardi , Mohammed El Hacin Sennoun , Mary Kathryn Thompson , Scott Douglas Waun , Michael Thomas Gansler , Michael Robert Notarnicola
IPC分类号： F02G1/044 , B33Y80/00 , F02G1/04 , F02G1/043 , F02G1/047 , F02G1/05 , F02G1/053 , F02G1/055 , F02G1/057 , F02G3/00 , F23R3/00 , F28D9/04 , F28D21/00 , F28F7/02 , F28F13/00 , F28F13/14
CPC分类号： F02G1/044 , B33Y80/00 , F02G1/04 , F02G1/043 , F02G1/047 , F02G1/05 , F02G1/053 , F02G1/055 , F02G1/057 , F02G3/00 , F23R3/005 , F28D9/04 , F28F7/02 , F28F13/003 , F28F13/14 , F02G1/0435 , F02G2243/00 , F02G2244/00 , F02G2244/08 , F02G2244/50 , F02G2244/52 , F02G2244/54 , F02G2250/00 , F02G2254/10 , F02G2254/18 , F02G2257/00 , F02G2258/10 , F02G2270/40 , F02G2270/45 , F02G2270/80 , F02G2280/10 , F28D2021/0026 , F28F2210/10 , F28F2250/04
摘要： A system for energy conversion, the system including a closed cycle engine containing a volume of working fluid, the engine comprising a first chamber defining an expansion chamber and a second chamber defining a compression chamber each separated by a piston attached to a connection member of a piston assembly, and wherein the engine comprises a heater body in thermal communication with the first chamber, and further wherein the engine comprises a cold side heat exchanger in thermal communication with the second chamber, and wherein a third chamber is defined within the piston, wherein the third chamber is in selective flow communication with the first chamber, the second chamber, or both.
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公开(公告)号：US11885279B2
公开(公告)日：2024-01-30
申请号：US17826699
申请日：2022-05-27
发明人： Joshua Tyler Mook , Kevin Michael VandeVoorde , Aigbedion Akwara , Michael Robert Notarnicola , Jason Joseph Bellardi , Mohammed El Hacin Sennoun , Mohamed Osama , Zachary William Nagel , Victor Luis Marrero Ortiz
IPC分类号： F02G1/055 , F02G1/04 , F28F7/02 , F02G1/044 , B33Y80/00 , F28D9/04 , F28F13/00 , F28F13/14 , F02G1/053 , F02G1/057 , F02G1/047 , F02G1/05 , F23R3/00 , F02G3/00 , F02G1/043 , F28D21/00
CPC分类号： F02G1/055 , B33Y80/00 , F02G1/04 , F02G1/043 , F02G1/044 , F02G1/047 , F02G1/05 , F02G1/053 , F02G1/057 , F02G3/00 , F23R3/005 , F28D9/04 , F28F7/02 , F28F13/003 , F28F13/14 , F02G1/0435 , F02G2243/00 , F02G2244/00 , F02G2244/08 , F02G2244/50 , F02G2244/52 , F02G2250/00 , F02G2254/10 , F02G2254/18 , F02G2257/00 , F02G2258/10 , F02G2270/80 , F02G2280/10 , F28D2021/0026 , F28F2210/10 , F28F2250/04
摘要： A monolithic heat exchanger body for inputting heat to a closed-cycle engine includes heating walls and heat sink, such as heat transfer regions. The heating walls are configured and arranged in an array of spirals or spiral arcs relative to a longitudinal axis of an inlet plenum. Adjacent portions of the heating walls respectively define corresponding heating fluid pathways fluidly communicating with the inlet plenum. At least a portion of the heat sink is disposed about at least a portion of the monolithic heat exchanger body. The heat sink includes working-fluid bodies including working-fluid pathways that have a heat transfer relationship with the heating fluid pathways. Respective ones of the heat transfer regions have a heat transfer relationship with a corresponding semiannular portion of the heating fluid pathways. Respective ones of the heat transfer regions include working-fluid pathways fluidly communicating between a heat input region and a heat extraction region.
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公开(公告)号：US20230175456A1
公开(公告)日：2023-06-08
申请号：US18161523
申请日：2023-01-30
IPC分类号： F02G1/044
CPC分类号： F02G1/044
摘要： A piston apparatus includes a plurality of piston assemblies respectively having a first piston body and a first piston disposed within a first volume defined by the first piston body, a second piston body and a second piston disposed within a second volume defined by the second piston body, and a connection member coupled to the first piston and the second piston. The first and second volume respectively include an expansion chamber and a compression chamber defined by opposite sides of the corresponding piston. The respective expansion chambers fluidly communicate with a corresponding compression chamber of another one of the piston assemblies. The first volume of a first piston assembly fluidly communicates with the first volume and the second volume of a second piston assembly, and the first volume of a third piston assembly fluidly communicate with the first volume and the second volume of the second piston assembly.
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公开(公告)号：US12078066B1
公开(公告)日：2024-09-03
申请号：US18341149
申请日：2023-06-26
CPC分类号： F01B29/10 , F02G5/00 , F15B1/265 , F16C32/0614
摘要： A method of pressurizing a closed-cycle engine includes performing a non-steady state operation in which a working fluid flows to or from a pressurized tank: i) to or from a plurality of sumps defined by respective ones of a plurality of cylinder-piston assemblies of the closed-cycle engine; or ii) to or from one or more air bearings associated with each one of the plurality of the cylinder-piston assemblies; or iii) both and performing, before and/or after performing the non-steady state operation, a steady-state operation in which the working fluid flows through the plurality of sumps and the one or more air bearings along a steady-state loop that is fluidly decoupled from the pressurized tank.
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公开(公告)号：US11739711B2
公开(公告)日：2023-08-29
申请号：US17503494
申请日：2021-10-18
发明人： Kevin Michael VandeVoorde , Joshua Tyler Mook , Michael Thomas Gansler , Scott Douglas Waun , Aigbedion Akwara , Michael Robert Notarnicola , Jason Joseph Bellardi , Mohammed El Hacin Sennoun , Mary Kathryn Thompson , Mohamed Osama , Victor Luis Marrero Ortiz
IPC分类号： F02G1/055 , F02G1/04 , F28D9/04 , F28F7/02 , F28F13/00 , F28F13/14 , F02G1/053 , F02G1/057 , F02G1/047 , F02G1/05 , F02G1/044 , B33Y80/00 , F23R3/00 , F02G3/00 , F02G1/043 , F28D21/00
CPC分类号： F02G1/055 , B33Y80/00 , F02G1/04 , F02G1/043 , F02G1/044 , F02G1/047 , F02G1/05 , F02G1/053 , F02G1/057 , F02G3/00 , F23R3/005 , F28D9/04 , F28F7/02 , F28F13/003 , F28F13/14 , F02G1/0435 , F02G2243/00 , F02G2244/00 , F02G2244/08 , F02G2244/50 , F02G2244/52 , F02G2250/00 , F02G2254/10 , F02G2254/18 , F02G2257/00 , F02G2258/10 , F02G2270/80 , F02G2280/10 , F28D2021/0026 , F28F2210/10 , F28F2250/04
摘要： An engine body may include a piston body comprising a piston chamber and a regenerator body comprising a regenerator conduit. An engine body may include a working-fluid heat exchanger body comprising a plurality of working-fluid pathways fluidly communicating between the piston chamber and the regenerator conduit. Additionally, or alternatively, an engine body may include a heater body comprising a plurality of heating fluid pathways and the plurality of working-fluid pathways. The heating fluid pathways may have a heat transfer relationship with the working fluid pathways. The working-fluid pathways may fluidly communicate between the piston chamber and the regenerator conduit. The engine body may include a monolithic body defined at least in part by the piston body, the regenerator body, and the working-fluid heat exchanger body, and/or defined at least in part by the piston body, the regenerator body, and the heater body.
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公开(公告)号：US12000356B2
公开(公告)日：2024-06-04
申请号：US18161523
申请日：2023-01-30
CPC分类号： F02G1/044
摘要： A piston apparatus includes a plurality of piston assemblies respectively having a first piston body and a first piston disposed within a first volume defined by the first piston body, a second piston body and a second piston disposed within a second volume defined by the second piston body, and a connection member coupled to the first piston and the second piston. The first and second volume respectively include an expansion chamber and a compression chamber defined by opposite sides of the corresponding piston. The respective expansion chambers fluidly communicate with a corresponding compression chamber of another one of the piston assemblies. The first volume of a first piston assembly fluidly communicates with the first volume and the second volume of a second piston assembly, and the first volume of a third piston assembly fluidly communicate with the first volume and the second volume of the second piston assembly.
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公开(公告)号：US20240159201A1
公开(公告)日：2024-05-16
申请号：US18423553
申请日：2024-01-26
发明人： Joshua Tyler Mook , Kevin Michael VandeVoorde , Aigbedion Akwara , Michael Robert Notarnicola , Jason Joseph Bellardi , Mohammed El Hacin Sennoun , Mohamed Osama , Zachary William Nagel , Victor Luis Marrero Ortiz
IPC分类号： F02G1/044 , B33Y80/00 , F02G1/04 , F02G1/043 , F02G1/047 , F02G1/05 , F02G1/053 , F02G1/055 , F02G1/057 , F02G3/00 , F23R3/00 , F28D9/04 , F28F7/02 , F28F13/00 , F28F13/14
CPC分类号： F02G1/044 , B33Y80/00 , F02G1/04 , F02G1/043 , F02G1/047 , F02G1/05 , F02G1/053 , F02G1/055 , F02G1/057 , F02G3/00 , F23R3/005 , F28D9/04 , F28F7/02 , F28F13/003 , F28F13/14 , F02G1/0435 , F02G2254/10 , F28D2021/0026
摘要： A monolithic heat exchanger body for inputting heat to a closed-cycle engine includes heating walls and heat sink, such as heat transfer regions. The heating walls are configured and arranged in an array of spirals or spiral arcs relative to a longitudinal axis of an inlet plenum. Adjacent portions of the heating walls respectively define corresponding heating fluid pathways fluidly communicating with the inlet plenum. At least a portion of the heat sink is disposed about at least a portion of the monolithic heat exchanger body. The heat sink includes working-fluid bodies including working-fluid pathways that have a heat transfer relationship with the heating fluid pathways. Respective ones of the heat transfer regions have a heat transfer relationship with a corresponding semiannular portion of the heating fluid pathways. Respective ones of the heat transfer regions include working-fluid pathways fluidly communicating between a heat input region and a heat extraction region.
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公开(公告)号：US11976610B2
公开(公告)日：2024-05-07
申请号：US18186355
申请日：2023-03-20
发明人： Michael Robert Notarnicola , Joshua Tyler Mook , Kevin Michael VandeVoorde , Aigbedion Akwara , Mohammed El Hacin Sennoun , Mary Kathryn Thompson , Scott Douglas Waun , Michael Thomas Gansler
IPC分类号： F02G1/055 , B33Y80/00 , F02G1/04 , F02G1/043 , F02G1/044 , F02G1/047 , F02G1/05 , F02G1/053 , F02G1/057 , F02G3/00 , F23R3/00 , F28D9/04 , F28D21/00 , F28F7/02 , F28F13/00 , F28F13/14
CPC分类号： F02G1/055 , B33Y80/00 , F02G1/04 , F02G1/043 , F02G1/044 , F02G1/047 , F02G1/05 , F02G1/053 , F02G1/057 , F02G3/00 , F23R3/005 , F28D9/04 , F28F7/02 , F28F13/003 , F28F13/14 , F02G1/0435 , F02G2243/00 , F02G2244/00 , F02G2244/08 , F02G2244/50 , F02G2244/52 , F02G2250/00 , F02G2254/10 , F02G2254/18 , F02G2257/00 , F02G2258/10 , F02G2270/80 , F02G2280/10 , F28D2021/0026 , F28F2210/10 , F28F2250/04
摘要： A constant density heat exchanger and method of operating are provided. The constant density heat exchanger includes a housing extending between a first end and a second end and defining a chamber having an inlet and an outlet. A first plate is positioned at the first end of the housing and rotatable about an axis of rotation such that the first plate selectively allows a working fluid to flow into the inlet of the chamber. A second plate is positioned at the second end of the housing and rotatable about the axis of rotation such that the second plate selectively allows the working fluid to flow out of the outlet of the chamber. The first plate and the second plate are rotatable about the axis of rotation so as to hold a volume of the working fluid at constant density as a heat source imparts thermal energy thereto.
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