| ReturnTo Theme-Group-Choice | Onelevelup |
| 3L051 | Air filters, heat-exchange apparatuses, and housings of air-conditioning units | |
| F24F1/0007 ,381-1/0007,401@Z;1/0059-1/008;1/02,391-1/02,411@Z;1/032-1/0355 | ||
| F24F1/0071-1/008; 1/0328-1/0355 | BA | BA00 FILTER-INSTALLATION METHODS |
BA01 | BA02 | BA03 | BA04 | BA05 | BA06 | ||||
| . Fixed filters | . Removable filters | . . Sliding filters | . . . Sliding from the top | . . . Sliding from the bottom | . . . Sliding from the side | |||||||
| BB | BB00 FILTER STRUCTURE |
BB01 | BB02 | BB03 | BB04 | BB05 | BB06 | |||||
| . Laminated filter materials | . Filters capable of being bent | . Filters capable of being folded | . Filters capable of being rolled up | . Multiple-filter elements | . Filters with handles | |||||||
| BC | BC00 PURIFICATION DEVICES OTHER THAN FILTERS |
BC01 | BC02 | BC03 | BC04 | BC05 | BC06 | BC07 | BC10 | |||
| . Electric dust accumulators | . Ozone generators | . Bactericidal lamps or disinfectants | . Humidifiers | . Anti-odor devices and deodorizers | . Aromatic agents | . Gas-absorbing agents | . Others | |||||
| F24F1/0007,381; 1/02,391 | BD | BD00 MEANS FOR SWITCHING AIRFLOW ROUTES |
BD01 | BD02 | BD03 | BD04 | BD05 | BD06 | BD10 | |||
| . Movable dampers | . . Multiple dampers | . Switching of ducts | . Switching of air-deflection plates | . Switching by air-blowers | . Movable air-blower openings | . Others | ||||||
| F24F1/0059-1/0068; 1/032-1/0326 | BE | BE00 INSTALLATION, CONFIGURATION, AND SHAPE OF HEAT-EXCHANGE APPARATUSES |
BE01 | BE02 | BE03 | BE04 | BE05 | BE06 | BE07 | BE08 | BE09 | BE10 |
| . Installation of heat-exchange apparatuses | . . Screws | . . Engagement | . Heat-exchange apparatus configuration | . . Multiple heat-exchange apparatuses | . Shape of heat-exchange apparatuses | . . Variants with an overall bent shape | . . Variants with notched fins | . . Variants with a varying density of fins and tubing | . . Variants with graduations | |||
| BF | BF00 INSTALLATION OF COOLANT TUBING |
BF01 | BF02 | BF03 | BF10 | |||||||
| . Installation inside air-conditioners | . Connection of coolant tubes | . Protection of coolant tubes | . Others | |||||||||
| F24F1/0007,401-1/0007,401@Z; 1/02,411-1/02,411@Z | BG | BG00 COMPONENT MEMBERS OF AIR-CONDITIONING UNIT HOUSINGS |
BG01 | BG02 | BG03 | BG04 | BG05 | BG06 | BG07 | |||
| . Vertical U-shaped plates (i.e., pointing downwards) and single plates | . Horizontal U-shaped plates (i.e., pointing to the side) and single plates | . Machine frames and single plates | . Single plates | . Multiple housings | . Housings and front surface plates | . Housings and base plates | ||||||
| BH | BH00 ATTACHMENT OF AIR-CONDITIONER AIR FILTERS, HEAT-EXCHANGE APPARATUSES, AND HOUSINGS |
BH01 | BH02 | BH03 | BH04 | BH05 | BH06 | BH07 | BH08 | |||
| . Fixed attachment | . . Fixed attachment by screws and bolts | . . Fixed attachment by welding | . Removable attachment | . . Attachment by magnets | . . Attachment by fasteners | . . Attachment by insert fittings | . . Attachment by springs | |||||
| BJ | BJ00 INTERIOR AND EXTERIOR MEMBERS |
BJ01 | BJ02 | BJ03 | BJ04 | BJ05 | BJ06 | BJ10 | ||||
| . Legs and pedestals | . Grips | . Piping and wiring | . Sound-absorbing materials | . Heat-insulating materials | . Sealing materials | . Others |