ClassID:

137058

F01K7/38 - CPC Classification

Classification description:

Steam engine plants characterised by the use of specific types of engine ; Plants or engines characterised by their use of special steam systems, cycles or processes ; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of extraction or non-condensing type; Use of steam for feed-water heating the engines being of turbine type

Recent Application in this class:
#1
20260015970
2026-01-15

POWER PLANT WITH EXHAUST GAS RECIRCULATION COMPRESSOR

#2
20260002453
2026-01-01

PUMPED HEAT ENERGY STORAGE SYSTEM INTEGRATED WITH COAL-FIRED ENERGY GENERATION UNIT

#3
20250327412
2025-10-23

HEAT INTEGRATION

#4
20250154884
2025-05-15

COMBINED CYCLE POWER GENERATION FACILITY

#5
20250129728
2025-04-24

STEAM TURBINE POWER GENERATION FACILITY USING OXYGEN-HYDROGEN COMBUSTION

#6
20250116211
2025-04-10

PUMPED HEAT ENERGY STORAGE SYSTEM INTEGRATED WITH COAL-FIRED ENERGY GENERATION UNIT

#7
20250101912
2025-03-27

PUMPED HEAT ENERGY STORAGE SYSTEM WITH THERMAL PLANT INTEGRATION

#8
20240418105
2024-12-19

HEAT INTEGRATION

#9
20240352876
2024-10-24

BALANCED GRID VALVE FOR STEAM EXTRACTION

#10
20240337220
2024-10-10

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

#11
20240301821
2024-09-12

PUMPED HEAT ENERGY STORAGE SYSTEM WITH STEAM CYCLE

#12
20240229683
2024-07-11

SYSTEM FOR READYING SUB-CRITICAL AND SUPER-CRITICAL STEAM GENERATOR, SERVICING METHOD OF SAID SUB-CRITICAL AND SUPER-CRITICAL STEAM GENERATOR AND METHOD OF OPERATION OF SUB-CRITICAL AND SUPER-CRITICAL STEAM GENERATOR

#13
20240133319
2024-04-25

System for readying sub-critical and super-critical steam generator, servicing method of said sub-critical and super-critical steam generator and method of operation of sub-critical and super-critical steam generator

#14
20230374911
2023-11-23

Superheated steam injection turbine engine

#15
20230279786
2023-09-07

PUMPED HEAT ENERGY STORAGE SYSTEM WITH MODULAR TURBOMACHINERY

#16
20230258105
2023-08-17

Combined power generation system and driving method thereof

#17
20230243279
2023-08-03

Heat integration

#18
20230203969
2023-06-29

Pumped heat energy storage system with modular turbomachinery

#19
20230203966
2023-06-29

USE OF EXTERNAL AIR FOR CLOSED CYCLE INVENTORY CONTROL

#20
20230101306
2023-03-30

STORAGE OF EXCESS HEAT IN COLD SIDE OF HEAT ENGINE

#21
20230096162
2023-03-30

Systems and methods for steam reheat in power plants

#22
20220349355
2022-11-03

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

#23
20220082032
2022-03-17

Steam network assembly for a plant comprising an ammonia-producing unit and a urea-producing unit

#24
20220056817
2022-02-24

Systems and methods for generating electricity via a pumped thermal energy storage system

#25
20220049653
2022-02-17

Pumped heat energy storage system with steam cycle

#26
20220049652
2022-02-17

Pumped heat energy storage system with thermal plant integration

#27
20210310365
2021-10-07

Solar aided coal-fired power generation system participating in primary frequency regulation and control method thereof

#28
20210301683
2021-09-30

Pre-booster pumping system for increasing power generation of turbine of thermal power plant

#29
20210180861
2021-06-17

Method for power generation during the regasification of a fluid by supercritical expansion

#30
20210180522
2021-06-17

Use of external air for closed cycle inventory control

#31
20210180472
2021-06-17

Storage of excess heat in cold side of heat engine

#32
20210164404
2021-06-03

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

#33
20210140347
2021-05-13

Double-reheat power generator with an ultra high pressure cylinder and a high-intermediate pressure cylinder each having additional heat recovery turbine stages

#34
20210033004
2021-02-04

Flexible coal-fired power generation system and operation method thereof

#35
20210017882
2021-01-21

Steam power plant, modification method and operation method of steam power plant

#36
20200325798
2020-10-15

Systems and methods for steam reheat in power plants

#37
20200308991
2020-10-01

Power plant and power output increase controlling method for power plant

#38
20200083782
2020-03-12

Thermodynamic system for storing/producing electrical energy

#39
20200056510
2020-02-20

System to aggregate working fluid for heat recovery steam generators

#40
20200025042
2020-01-23

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

#41
20200003081
2020-01-02

Systems and methods for generating electricity via a pumped thermal energy storage system

#42
20200003080
2020-01-02

Systems and methods for generating electricity via a pumped thermal energy storage system

#43
20190331004
2019-10-31

Steam turbine, partition member, and method for operating steam turbine

#44
20190249589
2019-08-15

Waste heat recovery vehicle cooling optimization

#45
20190203614
2019-07-04

SYSTEMS AND METHODS FOR STEAM REHEAT IN POWER PLANTS

#46
20190170019
2019-06-06

Output manifold for heat recovery steam generations

#47
20190162122
2019-05-30

Use of external air for closed cycle inventory control

#48
20190162082
2019-05-30

Storage of excess heat in cold side of heat engine

#49
20190145285
2019-05-16

Steam turbine plant

#50
20190017416
2019-01-17

Steam turbine drain structure and method of modifying the same

#51
20180363557
2018-12-20

Water feeding method, water feeding system implementing said method, and steam generating facility provided with water feeding system

#52
20180328231
2018-11-15

Thermal power generation system and control method for same

#53
20180216497
2018-08-02

Steam turbine preheating system

#54
20180187627
2018-07-05

Use of external air for closed cycle inventory control

#55
20180187575
2018-07-05

Energy tower of multi-energy-form output for stepwise recovering waste heat of a gas engine

#56
20180187572
2018-07-05

Thermocline arrays

#57
20180179917
2018-06-28

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

#58
20180179916
2018-06-28

Storage of excess heat in cold side of heat engine

#59
20180112561
2018-04-26

Systems and methods to control power plant operation via control of turbine run-up and acceleration

#60
20180080341
2018-03-22

Turbine shaft bearing and turbine apparatus

#61
20170198609
2017-07-13

Method for operating a steam power plant and steam power plant for conducting said method

#62
20170114673
2017-04-27

Supercritical CO2 generation system applying recuperator per each heat source

#63
20170058710
2017-03-02

GENERATING STEAM FROM CARBONACEOUS MATERIAL

#64
20160363007
2016-12-15

Method and apparatus for generating electricity and storing energy using a thermal or nuclear power plant

#65
20160348540
2016-12-01

Lignite drying integration with a water/steam power cycle

#66
20160333745
2016-11-17

Method and apparatus for generating electricity using a nuclear power plant

#67
20160333744
2016-11-17

Method and apparatus for generating electricity using a thermal power plant

#68
20160290171
2016-10-06

Steam turbine plant

#69
20160248299
2016-08-25

Thermodynamic system for storing/producing electrical energy

#70
20160222831
2016-08-04

Heat exchanger, a purifier, an electrode-containing pipe, a power generation system, a control method for heat exchanger and a scale removing method

#71
20160123190
2016-05-05

Method and system for gas turbine extraction

#72
20160010511
2016-01-14

POWER GENERATION SYSTEM AND METHOD TO OPERATE

#73
20150369084
2015-12-24

SYSTEM FOR PREHEATING BOILER FEEDWATER AND COOLING CONDENSER WATER

#74
20150345341
2015-12-03

Heat engine system with a supercritical working fluid and processes thereof

#75
20150323179
2015-11-12

Oxy boiler power plant oxygen feed system heat integration

#76
20150292736
2015-10-15

System and method for reutilizing COfrom combusted carbonaceous material

#77
20150292365
2015-10-15

Double pinch criterion for optimization of regenerative rankine cycles

#78
20150267567
2015-09-24

Hybrid Rankine cycle

#79
20150135713
2015-05-21

Steam turbine system and control system therefor

#80
20150121876
2015-05-07

Exhaust heat recovery apparatus, heating system, steam boiler, and deodorization system

#81
20150068207
2015-03-12

Steam turbine facility and method of operating the same

#82
20150033741
2015-02-05

TURBINE FACILITY AND WATER TREATMENT METHOD FOR HEATER DRAINAGE WATER

#83
20150020527
2015-01-22

STEAM TURBOMACHINE HAVING A BYPASS CIRCUIT FOR THROTTLE FLOW CAPACITY ADJUSTMENT

#84
20140318130
2014-10-30

Cogeneration method and equipment

#85
20140223911
2014-08-14

Steam power cycle system

#86
20140208747
2014-07-31

Steam turbine utilizing IP extraction flow for inner shell cooling

#87
20140116052
2014-05-01

Subcritical pressure high-temperature steam power plant and subcritical pressure high-temperature variable pressure operation once-through boiler

#88
20140020387
2014-01-23

Power generating system

#89
20130243574
2013-09-19

Operation control apparatus and operation control method for steam turbine

#90
20130219891
2013-08-29

Steam power plant with a ground heat exchanger

#91
20130152791
2013-06-20

Process for catalytic cracking associated with an amine treatment unit with improved CObalance

#92
20120291435
2012-11-22

Double pinch criterion for optimization of regenerative Rankine cycles

#93
20120227372
2012-09-13

POWER PLANT FOR CO2 CAPTURE

#94
20120137687
2012-06-07

Steam turbine, power plant and method for operating steam turbine

#95
20110314819
2011-12-29

System including feedwater heater for extracting heat from low pressure steam turbine

#96
20110283704
2011-11-24

Power plant

#97
20110265698
2011-11-03

SYSTEM AND METHOD FOR REUTILIZING CO2 FROM COMBUSTED CARBONACEOUS MATERIAL

#98
20110247331
2011-10-13

Steam turbine plant

#99
20110179792
2011-07-28

Steam power unit

#100
20110167826
2011-07-14

Vapor power cycle apparatus

#101
20110094228
2011-04-28

Method of Increasing the Performance of a Carbonaceous Fuel Combusting Boiler System

#102
20110048013
2011-03-03

POWER PLANT

#103
20110048011
2011-03-03

Steam turbine power plant and operating method thereof

#104
20110005228
2011-01-13

Steam system

#105
20110000407
2011-01-06

Waste oil electrical generation systems

#106
20110000180
2011-01-06

Steam system

#107
20100205965
2010-08-19

Arrangement with a steam turbine and a condenser

#108
20090260585
2009-10-22

Oxyfuel Combusting Boiler System and a Method of Generating Power By Using the Boiler System

#109
20090211252
2009-08-27

Power generation complex plant and plant control method

#110
20090094983
2009-04-16

STEAM TURBINE CYCLE

#111
20080245071
2008-10-09

THERMAL POWER PLANT

#112
17482278
2022-10-18

Re-circulating heat pump turbine