| ReturnTo Theme-Group-Choice | Onelevelup |
| 3L071 | Central heating systems that use hot air or heat accumulated in storage masses | |
| F24D5/00 -12/02 | ||
| F24D5/00-5/12 | AA | AA00 HOT-AIR CENTRAL HEATING SYSTEMS |
AA01 | AA02 | AA04 | AA05 | ||||||
| . Systems that discharge hot air | . . Systems with return of the air to the heat source | . Systems that do not discharge hot air | . . Systems with return of air to the heat source | |||||||||
| F24D5/00@A-5/00@Z;5/02@A-5/02@Z;5/04@A-5/04@Z | AB | AB00 HOT-AIR DISTRIBUTION MEMBERS |
AB01 | AB02 | AB03 | AB04 | AB05 | AB06 | ||||
| . Floor panels | . Wall panels | . Ceiling panels | . Jet pipes | . Combinations | . Others | |||||||
| F24D5/00@A-5/00@Z;5/12 | AC | AC00 HEATING SOURCES FOR HOT-AIR CENTRAL HEATING SYSTEMS |
AC01 | AC02 | AC03 | AC04 | AC05 | AC06 | ||||
| . Combustion | . Electricity | . Solar energy | . Exhaust heat | . Combinations | . Others | |||||||
| AD | AD00 ELEMENTS OF HOT-AIR CENTRAL HEATING SYSTEMS |
AD01 | AD02 | AD03 | AD05 | AD06 | AD07 | AD09 | AD10 | |||
| . Hot-air supply ducts | . . Branching structure | . . Dampers | . Hot-air-jet openings | . . Distribution of openings | . . Resistance to ventilation air | . sTRENGTHENING and reinforcement | . Protection | |||||
| AE | AE00 PURPOSE OF CONTROL IN HOT AIR CENTRAL HEATING SYSTEMS |
AE01 | AE02 | AE03 | AE05 | |||||||
| . Starting of heating | . Prevention of cold air | . Distribution of hot air | . Safety | |||||||||
| AF | AF00 PARAMETERS TO BE DETECTED IN HOT-AIR CENTRAL HEATING SYSTEMS |
AF01 | AF02 | AF03 | AF04 | AF05 | AF06 | |||||
| . Room temperature | . Outside temperature | . Hot-air temperature | . Hot-air speed | . Presence or absence of occupants | . Heat source temperature | |||||||
| AG | AG00 ELEMENTS OF HOT-AIR CENTRAL HEATING SYSTEM |
AG01 | AG02 | AG03 | AG04 | AG06 | ||||||
| . Electric sources | . Hot-air ducts | . . Dampers | . . Louvers | . Timers | ||||||||
| F24D5/12;7/00@A-7/00@Z | BB | BB00 CENTRAL HEATING BY MEANS OF OTHER HEATING MEDIA |
BB01 | BB02 | BB03 | BB05 | BB06 | |||||
| . Radiant heating | . . Floor panels | . . Standing panels | . Convection heating | . Combination of heating types | ||||||||
| BC | BC00 HEATING SOURCES THAT USE HEAT-TRANSFER FLUIDS |
BC01 | BC02 | BC03 | BC04 | BC05 | BC06 | |||||
| . Combustion | . Heat pumps | . . Auxiliary heating sources | . . Heating of evaporators | . Electricity | . Solar energy | |||||||
| BD | BD00 CIRCULATION OF HEATING MEDIA |
BD01 | BD02 | BD04 | BD05 | |||||||
| . Forced circulation | . . Variants involving a phase change of the medium | . Natural circulation | . . Variants involving a phase change of the medium (i.e., in heat pipes) | |||||||||
| BE | BE00 CONTROL |
BE01 | BE02 | BE03 | BE04 | BE05 | ||||||
| . Circulation pumps | . Heat volume of the heating media | . Air-blowers | . Combinations | . . Sequence control | ||||||||
| F24D5/12;11/00@A-11/00@Z;11/02@A-11/02@Z | CC | CC00 CENTRAL HEATING SYSTEMS THAT USE HEAT ACCUMULATED IN STORAGE MASSES |
CC01 | CC02 | CC04 | CC05 | CC06 | |||||
| . Water heating systems | . . Hot-water supply | . Air heating systems | . Heating of heat-transfer media | . Others | ||||||||
| CD | CD00 HEATING LOCATIONS |
CD01 | CD02 | CD03 | CD04 | |||||||
| . Floor panels | . Under-floor heating | . Greenhouses | . Others | |||||||||
| CE | CE00 HEATING SOURCES THAT USE HEAT ACCUMULATED IN STORAGE MASSES |
CE01 | CE02 | CE03 | CE04 | CE05 | CE06 | CE07 | ||||
| . Electricity | . Solar energy | . Heat pumps | . Exhaust heat | . Combinations | . Residual heat | . Others | ||||||
| CF | CF00 STRUCTURES OF SYSTEMS THAT USE HEAT ACCUMULATED IN STORAGE MASSES |
CF01 | CF02 | CF03 | CF04 | CF05 | CF06 | CF07 | ||||
| . Heat-accumulation parts | . . Heat-accumulation vessels | . . . Vessels with partitions | . . Conduits for heat-accumulation media in vessels | . . Placement of heat-accumulation materials | . . . Placement inside panels | . . . Placement under floors | ||||||
| CF11 | CF12 | CF13 | CF14 | CF16 | ||||||||
| . Heating-media supply conduits | . . Circulatory-type conduits | . . Bypass conduits | . . Under-floor piping | . Protection | ||||||||
| CG | CG00 PUPOSE OF CONTROL OF CENTRAL HEATING SYSTEMS THAT USE HEAT ACCUMULATED IN STORAGE MASSES |
CG01 | CG02 | CG03 | CG04 | |||||||
| . Starting heating | . Prevention of cold drafts | . Safety | . . Prevention of overheating | |||||||||
| CH | CH00 PARAMETERS TO BE DETECTED |
CH01 | CH02 | CH03 | CH05 | CH06 | ||||||
| . Indoor temperature | . Panel temperature | . Hot-air temperature | . Heat-storage temperature | . Temperature of heat-transfer fluid conduits | ||||||||
| CJ | CJ00 ELEMENTS OF CENTRAL HEATING SYSTEMS THAT USE HEAT ACCUMULATED IN STORAGE MASSES |
CJ01 | CJ02 | CJ03 | CJ04 | CJ05 | ||||||
| . Heat sources | . Heating media | . . Circulation capacity | . Compressors | . Indoor air-blowers |