ClassID:

155758

F22D1/32 - CPC Classification

Classification description:

Feed-water heaters, i.e. economisers or like preheaters arranged to be heated by steam, e.g. bled from turbines

Sub-classes:
Recent Application in this class:
#1
20200191020
2020-06-18

Waste heat recovery systems with heat exchangers

#2
20200025367
2020-01-23

Boiler feed tank energy recapture system

#3
20190292947
2019-09-26

RANKINE CYCLE APPARATUS, COMBINED HEAT AND POWER SYSTEM, AND RANKINE CYCLE APPARATUS OPERATION METHOD

#4
20190234689
2019-08-01

Flow baffles for shell and tube heat exchangers

#5
20190145285
2019-05-16

Steam turbine plant

#6
20180149388
2018-05-31

Exhaust gas latent heat recovery device

#7
20180058683
2018-03-01

Boiler feed tank energy recovery system

#8
20170307208
2017-10-26

Once-through vertical tubed supercritical evaporator coil for an HRSG

#9
20170114673
2017-04-27

Supercritical CO2 generation system applying recuperator per each heat source

#10
20160138797
2016-05-19

Boiler water supply preheater system and boiler water supply preheating method

#11
20160091197
2016-03-31

Fossil-fuel power plant and fossil-fuel power plant operation method

#12
20160032784
2016-02-04

Method for low load operation of a power plant with a once-through boiler

#13
20160010923
2016-01-14

Condenser, multistage pressure condenser provided therewith, and reheating module used in condenser

#14
20150377076
2015-12-31

Control methods for heat engine systems having a selectively configurable working fluid circuit

#15
20150292365
2015-10-15

Double pinch criterion for optimization of regenerative rankine cycles

#16
20150267568
2015-09-24

Rankine cycle apparatus, combined heat and power system, and rankine cycle apparatus operation method

#17
20150076831
2015-03-19

Heat engine system having a selectively configurable working fluid circuit

#18
20150033742
2015-02-05

METHOD FOR IMPROVING THERMAL-CYCLE YIELD IN NUCLEAR POWER PLANTS

#19
20150007567
2015-01-08

PLANT AND METHOD FOR INCREASING THE EFFICIENCY OF ELECTRIC ENERGY PRODUCTION

#20
20140250888
2014-09-11

Heat exchangers, boilers, and systems incorporating the same

#21
20140223823
2014-08-14

Gasification reactor with superheater and superheated steam line

#22
20140150736
2014-06-05

Heat recovery apparatus and heat recovery system

#23
20140130499
2014-05-15

Steam turbine installation and method for operating the steam turbine installation

#24
20140013746
2014-01-16

COAL-FIRED POWER GENERATING SYSTEM AND COAL-FIRED POWER GENERATING METHOD

#25
20120324893
2012-12-27

Coal-Fired Power Plant, and Method for Operating Coal-Fired Power Plant

#26
20120291435
2012-11-22

Double pinch criterion for optimization of regenerative Rankine cycles

#27
20120255303
2012-10-11

Feedwater heater control system for improved rankine cycle power plant efficiency

#28
20120048215
2012-03-01

Steam cycle efficiency improvement with pre-economizer

#29
20110314819
2011-12-29

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

#30
20110283704
2011-11-24

Power plant

#31
20100205965
2010-08-19

Arrangement with a steam turbine and a condenser

#32
20050109495
2005-05-26

Complex flow-path heat exchanger having U-shaped tube and cantilever combined coil