ClassID:

139117

F02C1/105 - CPC Classification

Classification description:

Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid the working fluid being heated indirectly; Closed cycles construction; details

Recent Application in this class:
#1
20250250927
2025-08-07

Heat Engine

#2
20250122832
2025-04-17

AIR-STORAGE SYSTEM

#3
20250043716
2025-02-06

ROTARY CLOSED-CYCLE EXTERNALLY-HEATED ENGINE

#4
20240337220
2024-10-10

VARIABLE PRESSURE INVENTORY CONTROL OF CLOSED CYCLE SYSTEM WITH A HIGH PRESSURE TANK AND AN INTERMEDIATE PRESSURE TANK

#5
20240018899
2024-01-18

Rotary closed-cycle externally-heated engine

#6
20230203966
2023-06-29

USE OF EXTERNAL AIR FOR CLOSED CYCLE INVENTORY CONTROL

#7
20230132248
2023-04-27

Power and ejector cooling unit

#8
20220349355
2022-11-03

Variable pressure inventory control of closed cycle system with a high pressure tank and an intermediate pressure tank

#9
20220307416
2022-09-29

VARIABLE PRESSURE TURBINE

#10
20220243654
2022-08-04

Pumped heat energy storage system with annular ducting arrangement

#11
20220136413
2022-05-05

Mechanical/electrical power generation system

#12
20210363919
2021-11-25

Expansion installation and installation for obtaining electrical energy from heat

#13
20210363900
2021-11-25

System for recovering waste heat and method thereof

#14
20210348627
2021-11-11

Power generation system with rotary liquid piston compressor for transcritical and supercritical compression of fluids

#15
20210239041
2021-08-05

APPARATUS, PROCESS AND THERMODYNAMIC CYCLE FOR POWER GENERATION WITH HEAT RECOVERY

#16
20210180522
2021-06-17

Use of external air for closed cycle inventory control

#17
20210164404
2021-06-03

Variable pressure inventory control of closed cycle system with a high pressure tank and an intermediate pressure tank

#18
20210148305
2021-05-20

Efficient heat recovery engine

#19
20210040886
2021-02-11

Variable pressure turbine

#20
20200157975
2020-05-21

Mechanical/electrical power generation system

#21
20200063739
2020-02-27

TURBOMACHINERY

#22
20200025042
2020-01-23

Variable pressure inventory control of closed cycle system with a high pressure tank and an intermediate pressure tank

#23
20190390576
2019-12-26

Power generation system with rotary liquid piston compressor for transcritical and supercritical compression of fluids

#24
20190162122
2019-05-30

Use of external air for closed cycle inventory control

#25
20190120137
2019-04-25

Closed-loop thermal cycle expander bypass flow control

#26
20190112949
2019-04-18

Single working-medium vapor combined cycle and vapor power device for combined cycle

#27
20180187627
2018-07-05

Use of external air for closed cycle inventory control

#28
20180187595
2018-07-05

Variable pressure turbine

#29
20180156111
2018-06-07

Grid scale energy storage systems using reheated air turbine or gas turbine expanders

#30
20180038245
2018-02-08

Control system for supercritical working fluid turbomachinery

#31
20170328240
2017-11-16

Turbine power generation system having emergency operation means, and emergency operation method therefor

#32
20170254229
2017-09-07

Supercritical fluid heat engine

#33
20170082066
2017-03-23

Propulsion system using supercritical COpower transfer

#34
20160341120
2016-11-24

High efficiency power generation system and system upgrades

#35
20160319749
2016-11-03

Control concept for closed loop Brayton cycle

#36
20160281545
2016-09-29

Versatile pinch point avoidance recuperator for supercritical carbon dioxide power generation systems

#37
20160090998
2016-03-31

Grid scale energy storage systems using reheated air turbine or gas turbine expanders

#38
20130140830
2013-06-06

System for generating electric and mechanical power utilizing a thermal gradient

#39
20130061590
2013-03-14

Stirling cycle energy converter

#40
20100320764
2010-12-23

Recovering heat energy

#41
20100192572
2010-08-05

CLOSED-CYCLE PLANT

#42
20100071360
2010-03-25

Fluid Engine with Enhanced Efficiency

#43
20090044529
2009-02-19

Power cycle generator

#44
20080252078
2008-10-16

Recovering heat energy

#45
20080252077
2008-10-16

Generating energy from fluid expansion

#46
20080202120
2008-08-28

Device Converting Themal Energy into Kinetic One by Using Spontaneous Isothermal Gas Aggregation

#47
20080066443
2008-03-20

GAS TURBINE PLANT FOR A WORKING MEDIUM IN THE FORM OF A CARBON DIOXIDE/WATER MIXTURE

#48
20060277909
2006-12-14

Method and device for converting heat into mechanical work

#49
20060174613
2006-08-10

Valve and auxiliary exhaust system for high efficiency steam engines and compressed gas motors

#50
20050056001
2005-03-17

Power generation plant

#51
15825852
2020-01-21

Low pressure drop advanced swirl technology gas filter