F01K3/20 - CPC Classification Index

ClassID:

137020 ⎘

F01K3/20 - CPC Classification

Classification description:

Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein having heaters with heating by combustion gases of main boiler

Sub-classes:

F01K3/205 » {more than one circuit being heated by one boiler} 4
F01K3/22 » Controlling, e.g. starting, stopping 16

Recent Application in this class:

20230383998

2023-11-30

PUMPED THERMAL STORAGE CYCLES WITH TURBOMACHINE SPEED CONTROL

20230340896

2023-10-26

H2 boiler for steam system

20220042720

2022-02-10

Pumped thermal storage cycles with turbomachine speed control

20200200047

2020-06-25

Waste-to-energy plant

20200032675

2020-01-30

System and method for providing supercritical steam

20190390560

2019-12-26

Portable electrical energy produced from waste gas or liquid

20190264582

2019-08-29

Combined brayton/rankine cycle gas and steam turbine generating system operated in two closed loops

20190212070

2019-07-11

Hybrid Pumped Thermal Systems

20190195571

2019-06-27

Pumped thermal storage cycles with working fluid management

#10

20180328583

2018-11-15

Boiler and modifying method thereof

#11

20180202323

2018-07-19

Systems and methods for generating steam by creating shockwaves in a supersonic gaseous vortex

#12

20180119577

2018-05-03

System and method for providing supercritical steam

#13

20170363002

2017-12-21

COpower generation system

#14

20170321967

2017-11-09

Pumped thermal storage cycles with recuperation

#15

20170268425

2017-09-21

Gas turbine combined cycle optimized for post-combustion COcapture

#16

20170159500

2017-06-08

Pumped thermal and energy storage system units with pumped thermal system and energy storage system subunits

#17

20170159499

2017-06-08

Hybrid pumped thermal systems

#18

20170159498

2017-06-08

Pumped thermal systems with dedicated compressor/turbine pairs

#19

20170159497

2017-06-08

Pumped thermal systems with variable stator pressure ratio control

#20

20170159496

2017-06-08

Varying compression ratios in energy storage and retrieval systems

#21

20170159495

2017-06-08

Methods of hot and cold side charging in thermal energy storage systems

#22

20170081982

2017-03-23

Method for recovering heat from internal combustion engines and for converting the recovered heat into mechanical energy

#23

20150089944

2015-04-02

Back-up boiler system for a solar thermal power plant based on molten salt technology, a solar thermal power plant and a method for operating a solar thermal power plant

#24