F22D5/00 - CPC Classification Index

ClassID:

155775 ⎘

F22D5/00 - CPC Classification

Classification description:

Controlling water feed or water level; Automatic water feeding or water-level regulators

Sub-classes:

F22D5/02 » with an intermediate compartment from which the water is fed by gravity after mechanically moving the compartment, the movement being controlled according to water level 0
F22D5/04 » with pivoting buckets 0
F22D5/06 » with receptacles external to, but in free communication with, the boilers and adapted to move up and down in accordance with change in water level 1
F22D5/08 » with float-actuated valves 1
F22D5/14 » responsive to thermal expansion and contraction, e.g. of solid elements 0
F22D5/18 » for varying the speed or delivery pressure of feed pumps 5
F22D5/24 » with electric switches 2
F22D5/26 » Automatic feed-control systems 40

Recent Application in this class:

20230052253

2023-02-16

APPARATUS, SYSTEMS AND METHODS FOR MANAGEMENT OF RAW WATER AND EMISSIONS UTILIZING HEAT AND/OR PRESSURE ENERGY WITHIN COMBUSTION GAS SOURCES

20210177187

2021-06-17

Method of operating a steam generator, steam generator and cooking device

20210114897

2021-04-22

Apparatus, systems and methods for management of raw water and emissions utilizing heat and/or pressure energy within combustion gas sources

20170227213

2017-08-10

Steam using facility management method, and steam using facility

20170198830

2017-07-13

Boiler fill valve with fast-fill and non-oscilatting dial features

20160097561

2016-04-07

Mobile water heating apparatus

20150323179

2015-11-12

Oxy boiler power plant oxygen feed system heat integration

20150300210

2015-10-22

System and method for controlling a closed loop working on a rankine cycle with a tank and a pressure regulating device

20150211731

2015-07-30

Processed vapor make-up process and system

#10

20150090202

2015-04-02

System and method for drum level control in a drum of a heat recovery steam generator

#11

20140338615

2014-11-20

Drainage collection system

#12

20140216365

2014-08-07

System and method for heat recovery steam generators

#13

20140034044

2014-02-06

Method for operating a directly heated, solar-thermal steam generator

#14

20140007823

2014-01-09

HEATING SYSTEM FOR HEATING HEAT-TRANSFER OIL USINGBOILER FLUE GAS

#15

20130152877

2013-06-20

Method for reducing the oxygen content in steam generator wall tubes

#16

20130145996

2013-06-13

Mobile water heating apparatus

#17

20090293819

2009-12-03

REMOTE WATER SHUT-OFF DEVICE

#18

20080218362

2008-09-11

Remote water shut-off device

#19

20070076838

2007-04-05

Nuclear reactor feed-water system

#20

20060120502

2006-06-08

Nuclear reactor feed-water system

#21

20060042249

2006-03-02

Steam generator feedwater control system for power plant

#22

12978681

2015-08-04

Integrated dual chamber burner with remote communicating flame strip