ClassID:

140164

F02G1/055 - CPC Classification

Classification description:

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; Component parts or details Heaters or coolers

Recent Application in this class:
#1
20260092577
2026-04-02

Near-Adiabatic External Heat Valve Engine

#2
20260092576
2026-04-02

HOT-GAS FREE-PISTON STIRLING ENGINE WITH EFFICIENT HOT AIR INLET

#3
20260036099
2026-02-05

HOT AIR ENGINE

#4
20250210214
2025-06-26

PORTABLE NUCLEAR POWER SYSTEM

#5
20250179972
2025-06-05

INTERNALLY HEATED ENGINE

#6
20250172108
2025-05-29

ENERGY HARVESTING SYSTEM AND METHOD WITH STIRLING ENGINE FOR CONTAINER MANUFACTURING PROCESS

#7
20250172107
2025-05-29

SLOW ACTUATION MECHANOLIQUID PISTON HEAT PUMP

#8
20250092845
2025-03-20

HEAT EXCHANGER FOR STIRLING MACHINE, METHOD FOR MANUFACTURING HEAT EXCHANGER, AND REGENERATOR

#9
20250092844
2025-03-20

STIRLING MACHINE AND METHOD FOR MANUFACTURING STIRLING MACHINE

#10
20250092843
2025-03-20

HEAT EXCHANGER FOR STIRLING MACHINE AND METHOD FOR MANUFACTURING HEAT EXCHANGER

#11
20250027461
2025-01-23

STIRLING CYCLE MACHINE

#12
20240418136
2024-12-19

ENERGY HARVESTING HEAT ENGINE

#13
20240271835
2024-08-15

STIRLING ENGINE WITH NEAR ISOTHERMAL WORKING SPACES

#14
20240159201
2024-05-16

MONOLITHIC HEAT-EXCHANGER BODIES

#15
20240093660
2024-03-21

Systems and methods utilizing gas temperature as a power source

#16
20240052798
2024-02-15

System for recovery of energy from a residual gas

#17
20240026838
2024-01-25

Systems and methods utilizing gas temperature as a power source

#18
20230304456
2023-09-28

Reciprocating heat engine with hot cylinder head and cold cylinder

#19
20230279824
2023-09-07

Rotary heat pump

#20
20230228229
2023-07-20

Constant density heat exchanger and system for energy conversion

#21
20230204003
2023-06-29

Systems and methods utilizing gas temperature as a power source

#22
20230193759
2023-06-22

EXPANDER SYSTEMS FOR HARNESSING ENERGY FROM PRESSURIZED FLUID FLOW

#23
20230142663
2023-05-11

Stirling engine

#24
20230134721
2023-05-04

Systems and methods utilizing gas temperature as a power source

#25
20230108485
2023-04-06

Monocoque shell and tube heat exchanger

#26
20230083829
2023-03-16

Systems and methods utilizing gas temperature as a power source

#27
20230019495
2023-01-19

Energy conversion apparatus

#28
20230014773
2023-01-19

Systems and methods utilizing gas temperature as a power source

#29
20230003424
2023-01-05

Heat engines and heat pumps with separators and displacers

#30
20220381199
2022-12-01

SLOTTED DISPLACER SYSTEM FOR STIRLING ENGINES

#31
20220333548
2022-10-20

Systems and methods utilizing gas temperature as a power source

#32
20220316424
2022-10-06

Systems and methods utilizing gas temperature as a power source

#33
20220299240
2022-09-22

Heat engines and heat pumps with separators and displacers

#34
20220290630
2022-09-15

Monolithic heat-exchanger bodies

#35
20220220922
2022-07-14

A Tubular Reactor Serving as a Combustor and Heat Exchanger

#36
20220213847
2022-07-07

System and apparatus for energy conversion

#37
20220195959
2022-06-23

Engine apparatus and method for operation

#38
20220136456
2022-05-05

Scroll heating device

#39
20220065194
2022-03-03

Recovery of energy in residue gases

#40
20220042478
2022-02-10

Dual stirling cycle liquid air battery

#41
20220034281
2022-02-03

Energy conversion apparatus

#42
20220026118
2022-01-27

Stirling cycle machine

#43
20210381467
2021-12-09

Constant density heat exchanger and system for energy conversion

#44
20210270205
2021-09-02

External combustion heat engine combustion chamber

#45
20210148305
2021-05-20

Efficient heat recovery engine

#46
20210123448
2021-04-29

Vacuum pump

#47
20210108858
2021-04-15

Monocoque shell and tube heat exchanger

#48
20210062756
2021-03-04

Monolithic heat-exchanger bodies

#49
20210054831
2021-02-25

Carbon negative clean fuel production system

#50
20210054807
2021-02-25

Stirling engine arranged with a gas channel including three heat exchangers

#51
20210003094
2021-01-07

Stirling engine comprising a cooling tube on a working cylinder

#52
20200392885
2020-12-17

Exhaust gas heat recovery system and exhaust system

#53
20200392883
2020-12-17

Internal combustion engine having an exhaust heat recovery system as well as a method for recovering exhaust heat

#54
20200378338
2020-12-03

Supercritical Stirling Cycle Heat Engine with Accumulators

#55
20200370842
2020-11-26

Monolithic heat-exchanger bodies

#56
20200370509
2020-11-26

Monolithic heater bodies

#57
20200370508
2020-11-26

Monolithic combustor bodies

#58
20200370507
2020-11-26

Closed cycle engine with bottoming-cycle system

#59
20200370505
2020-11-26

Energy conversion apparatus

#60
20200370503
2020-11-26

Constant density heat exchanger and system for energy conversion

#61
20200370446
2020-11-26

Energy conversion apparatus

#62
20200325847
2020-10-15

Stirling engine with a membrane connecting the piston to the cylinder of the Stirling engine and a method of using this Stirling engine

#63
20200256281
2020-08-13

High Dynamic Density Range Thermal Cycle Engine

#64
20200208884
2020-07-02

Stirling-cycle cooling device with monobloc support

#65
20200141351
2020-05-07

Nuclear reactor cooling arrangement having a stirling engine

#66
20200025127
2020-01-23

Isochoric piston-cylinder heat pump

#67
20190203661
2019-07-04

SELECTIVE ABSORBER FOR HARVESTING SOLAR ENERGY

#68
20190153284
2019-05-23

System for direct electrical charging and storage of thermal energy for power plants

#69
20190101079
2019-04-04

Method and apparatus for generating electricity utilizing heat from enclosed flares and other combustors

#70
20190085833
2019-03-21

Thermoacoustic engine

#71
20190084376
2019-03-21

Rotating heat exchanger/bypass combo

#72
20190024607
2019-01-24

Burner-heat exchanger assembly for an external combustion engine

#73
20190010833
2019-01-10

Method of fluid exchange and separation apparatus

#74
20180291836
2018-10-11

Stirling cycle machine

#75
20180283319
2018-10-04

Dome for a thermodynamic apparatus

#76
20180274482
2018-09-27

STIRLING CYCLE MACHINE

#77
20180266279
2018-09-20

Power generation system and method

#78
20180252183
2018-09-06

Stirling engine with a membrane connecting the piston to the cylinder of the Stirling engine and a method of using this Stirling engine

#79
20180245538
2018-08-30

Regenerative cooling system

#80
20180187628
2018-07-05

Atmospheric storage and transfer of thermal energy

#81
20180187627
2018-07-05

Use of external air for closed cycle inventory control

#82
20180119638
2018-05-03

Membrane stirling engine

#83
20180106241
2018-04-19

STIRLING ENGINE FOR AN EMISSION-FREE AIRCRAFT

#84
20180051651
2018-02-22

Efficient stirling engine

#85
20180038310
2018-02-08

Radiation thermal absorber based on characteristic absorption spectrum, and stirling engine and operation method thereof

#86
20170350348
2017-12-07

Engine with differential evaporation pressures

#87
20170284336
2017-10-05

Container-type compressed air storage power generation device

#88
20170138301
2017-05-18

Radiant heat recovery heater, and stirling engine and combustion furnace using radiant heat recovery heater

#89
20170138300
2017-05-18

Heat medium circulation structure and hot water temperature control method for micro combined heat and power generator

#90
20170130671
2017-05-11

Heat engine

#91
20170045018
2017-02-16

Stirling engine

#92
20170045017
2017-02-16

Vane-rotor type Stirling engine

#93
20170037812
2017-02-09

THERMAL ENGINE WITH ENERGY MODULATION MECHANISM

#94
20170009701
2017-01-12

Variable volume transfer shuttle capsule and valve mechanism

#95
20160341187
2016-11-24

RECIPROCATING MOTOR-COMPRESSOR WITH INTEGRATED STIRLING ENGINE

#96
20160281638
2016-09-29

Stirling engine with regenerator internal to the displacer piston and integral geometry for heat transfer and fluid flow

#97
20160252047
2016-09-01

Differential thermodynamic machine with a cycle of eight thermodynamic transformations, and control method

#98
20160215726
2016-07-28

Active insulation burner, particularly for an external combustion engine

#99
20160201599
2016-07-14

METHOD AND THERMAL ENGINE FOR UTILIZING WASTE HEAT OR GEOTHERMAL HEAT

#100
20160131076
2016-05-12

Stirling engine

#101
20160102631
2016-04-14

Thermodynamic machine

#102
20160084114
2016-03-24

Thermo-elevation plant and method

#103
20160040623
2016-02-11

PISTON MACHINE AND METHOD FOR THE OPERATION THEREOF

#104
20160025075
2016-01-28

Stirling engine for an emission-free aircraft

#105
20160025036
2016-01-28

Coolant penetrating cold-end pressure vessel

#106
20160017843
2016-01-21

Thermodynamic machine

#107
20160010588
2016-01-14

System and method for recovering waste heat

#108
20160010587
2016-01-14

Drive device driven by buoyancy and thermal energy

#109
20150377181
2015-12-31

Motor assembly

#110
20150315997
2015-11-05

Valved Stirling engine with improved efficiency

#111
20150211440
2015-07-30

Device for compressing a gaseous fluid

#112
20150211439
2015-07-30

HEAT ENGINE AND THERMODYNAMIC CYCLE FOR CONVERTING HEAT INTO USEFUL WORK

#113
20150184614
2015-07-02

Linear cross-head bearing for stirling engine

#114
20150176526
2015-06-25

Semi-isothermal compression engines with separate combustors and expanders, and associated systems and methods

#115
20150152809
2015-06-04

Annular venturi burner for stirling engine

#116
20150135702
2015-05-21

Working cylinder for an energy converter

#117
20150096298
2015-04-09

PRESSURE POWER SYSTEM

#118
20150089948
2015-04-02

COMPRESSOR AND/OR EXPANDER DEVICE

#119
20150052887
2015-02-26

Stirling cycle machines

#120
20150047336
2015-02-19

Stirling cycle machine

#121
20140345269
2014-11-27

Fluid expansion engine

#122
20140325977
2014-11-06

BURNING STOVE COMBINED WITH A STIRLING ENGINE FOR PRODUCING ELECTRICITY OR TO BE COUPLED TO A HEAT PUMP

#123
20140305099
2014-10-16

Systems, methods, and apparatuses related to the use of gas clathrates

#124
20140026553
2014-01-30

Stirling engine with regenerator internal to the displacer piston and integral geometry for heat transfer and fluid flow

#125
20140014809
2014-01-16

Installation device for instrumentation device of stationary engine

#126
20140007570
2014-01-09

High efficiency combustor and closed-cycle heat engine interface

#127
20140007569
2014-01-09

Isothermal machines, systems and methods

#128
20130233526
2013-09-12

Combined chamber wall and heat exchanger

#129
20130111927
2013-05-09

Cooling device for Stirling circulated dry storage container

#130
20130093192
2013-04-18

Decoupled, fluid displacer, sterling engine

#131
20130091839
2013-04-18

Power recovery system

#132
20130081390
2013-04-04

Vaporization method and vaporization apparatus used for vaporization method, and vaporization system provided with vaporization apparatus

#133
20130067906
2013-03-21

HEAT EXCHANGING CYLINDER HEAD

#134
20120318486
2012-12-20

Heat exchanger for stirling engine

#135
20120227403
2012-09-13

Coolant penetrating cold-end pressure vessel

#136
20120216538
2012-08-30

STIRLING ENGINE SOLAR CONCENTRATOR SYSTEM

#137
20120159945
2012-06-28

Stirling engine

#138
20120159944
2012-06-28

Stirling engine and method of removing impurities in a heat-transfer tube group in a power device or a power-generating device which uses a stirling engine

#139
20120144821
2012-06-14

Free-piston stirling machine for extreme temperatures

#140
20120118250
2012-05-17

Axial-piston motor with continuously working combustion chamber having two combustion air inputs

#141
20120096858
2012-04-26

HEATER HEAD FOR ENERGY CONVERTER

#142
20120073284
2012-03-29

HOT ZONE HEAT TRANSFER STRUCTURE OF A STIRLING ENGINE

#143
20120012289
2012-01-19

Annular axial flow ribbed heat exchanger

#144
20110239640
2011-10-06

HEAT EXCHANGER STRUCTURE AND ISOTHERMAL COMPRESSION OR EXPANSION CHAMBER

#145
20110227347
2011-09-22

Heat engine

#146
20110146264
2011-06-23

Catalytic burner apparatus for stirling engine

#147
20110100738
2011-05-05

Engine assembly for a motor vehicle in general and particularly for an urban motor vehicle

#148
20110062166
2011-03-17

Compressor and/or expander device

#149
20110061836
2011-03-17

Compressor and/or expander device

#150
20110061741
2011-03-17

Compressor and/or expander device

#151
20110041492
2011-02-24

Stirling engine with thermoelectric control

#152
20110011079
2011-01-20

Stirling cycle machine

#153
20100287936
2010-11-18

THERMODYNAMIC MACHINE, PARTICULAR OF THE CARNOT AND/OR STIRLING TYPE

#154
20100275594
2010-11-04

Exhaust heat recovery system

#155
20100269789
2010-10-28

METERING FUEL PUMP

#156
20100218496
2010-09-02

PASSIVE HEAT ENGINE SYSTEMS AND COMPONENTS

#157
20100199657
2010-08-12

THERMAL IMPROVEMENTS FOR AN EXTERNAL COMBUSTION ENGINE

#158
20100126165
2010-05-27

Catalytic burner apparatus for Stirling Engine

#159
20100018202
2010-01-28

Thermoelectric device for use with Stirling engine

#160
20090260355
2009-10-22

Stirling engine assembly

#161
20090229268
2009-09-17

COGENERATION SYSTEM

#162
20090211243
2009-08-27

Annular burner assembly

#163
20090193804
2009-08-06

Heat exchanger and stirling engine

#164
20090113889
2009-05-07

Catalytic burner for stirling engine

#165
20090000294
2009-01-01

Power plant with heat transformation

#166
20080092536
2008-04-24

Coolant penetrating cold-end pressure vessel

#167
20080092512
2008-04-24

Thermal improvements for an external combustion engine

#168
20080078175
2008-04-03

Catalytic burner apparatus for stirling engine

#169
20070227138
2007-10-04

Method and system for providing a rotational output using a non-combustion heat source

#170
20070169477
2007-07-26

Multistage stirling engine

#171
20070034703
2007-02-15

Heating appliance

#172
20070033935
2007-02-15

Thermal cycle engine with augmented thermal energy input area

#173
20070028612
2007-02-08

Metering fuel pump

#174
20070028611
2007-02-08

Domestic combined heat and power assembly

#175
20070000249
2007-01-04

Exhaust heat recovery apparatus

#176
20060213196
2006-09-28

Cogeneration system

#177
20060117746
2006-06-08

Threaded sealing flange for use in an external combustion engine and method of sealing a pressure vessel

#178
20060112687
2006-06-01

Stirling engine assembly

#179
20060093977
2006-05-04

Recuperator and combustor for use in external combustion engines and system for generating power employing same

#180
20060026835
2006-02-09

Heat exchanger fins and method for fabricating fins particularly suitable for stirling engines

#181
20060021343
2006-02-02

Stirling engine having platelet heat exchanging elements

#182
20050252208
2005-11-17

Suspension mechanism for stirling cycle engine

#183
20050188692
2005-09-01

Recuperative heater for an external combustion engine

#184
20050183419
2005-08-25

Thermal improvements for an external combustion engine

#185
20050138926
2005-06-30

Domestic combined heat and power unit

#186
20050120722
2005-06-09

Fin structure

#187
20050103015
2005-05-19

Stirling engine and hybrid system that uses the Stirling engine

#188
20050086935
2005-04-28

Heating appliance

#189
20050081520
2005-04-21

Heater head assembly system and method

#190
20050076638
2005-04-14

Threaded sealing flange for use in an external combustion engine and method of sealing a pressure vessel

#191
20050016170
2005-01-27

Impingement heat exchanger for stirling cycle machines

#192
17578542
2022-06-14

Systems and methods utilizing gas temperature as a power source

#193
17578520
2022-05-10

Systems and methods utilizing gas temperature as a power source

#194
16418129
2020-07-28

System and apparatus for energy conversion

#195
16417787
2020-07-14

Closed cycle engine with bottoming-cycle system

#196
15419571
2019-03-12

Thermoacoustic convertor

#197
15376024
2018-02-27

Radial crank external heated engine

#198
14683527
2018-02-27

Catalytic burner with utilization chamber

#199
13720892
2016-08-02

Common platform modular stirling radioisotope generator