| ReturnTo Theme-Group-Choice | Onelevelup |
| 3L058 | Ventilation (3) | |
| F24F7/04 -7/06,101@Z | ||
| F24F7/04@A;7/04@B;7/04@Z | BA | BA00 VENTILATION MODES |
BA01 | BA02 | BA03 | BA04 | ||||||
| . Wind power | . Temperature differentials | . . Solar energy | . Others | |||||||||
| BB | BB00 LOCATION OF INSTALLATION OF VENTILATION MEANS |
BB01 | BB02 | BB03 | BB04 | BB05 | BB06 | BB07 | BB08 | BB09 | ||
| . Attics | . Eaves or edge of eaves | . Ceilings | . Walls | . Windows or doors | . Locations under the floor | . Basements or storage compartments under the floor | . Sun rooms | . Others | ||||
| BC | BC00 ACCESSORY ELEMENTS |
BC01 | BC02 | BC03 | BC04 | BC05 | BC06 | BC07 | BC08 | |||
| . Air-flow control members | . . Fixed systems | . . Moving systems | . Sound elimination and heat insulation | . Protection against wind and rain | . . Weather covers | . Filtering, deodorization, and insect elimination | . Others | |||||
| F24F7/06@A-7/06@Z | BD | BD00 FORCED-AIR CIRCULATION MEANS |
BD01 | BD02 | BD03 | BD04 | BD05 | BD06 | ||||
| . Axial flow fans | . Centrifugal flow fans | . Horizontal flow fans | . Ejectors | . Flexible tubing | . Others | |||||||
| BE | BE00 USES |
BE01 | BE02 | BE03 | BE04 | BE05 | BE06 | BE07 | BE08 | |||
| . Kitchens | . Factories | . Parking garages | . Restrooms | . Bathrooms | . Basements and storage compartments under the floor | . Sun rooms | . Others | |||||
| BF | BF00 CLEAN ROOMS |
BF01 | BF02 | BF03 | BF04 | BF05 | BF06 | BF07 | BF08 | BF09 | ||
| . Down-flow types | . Cross-flow types | . Clean benches and clean booths | . Air showers | . Specific locations | . . Ceiling structures and air-exhaust areas | . . Wall and floor structures | . . Conveying means and load-bearing means | . Others | ||||
| BG | BG00 ACCESSORY MEMBERS AND CONTROL THEREOF |
BG01 | BG02 | BG03 | BG04 | BG05 | ||||||
| . Air-flow control elements | . Noise elimination and heat insulation | . Filtering, deodorization, and insect elimination | . Control, detection, and indication | . Others | ||||||||
| F24F7/06,101@A;7/06,101@B;7/06,101@Z | BH | BH00 FORCED VENTILATION MEANS FOR AUXILIARY HOODS |
BH01 | BH02 | BH03 | BH04 | BH05 | BH06 | BH07 | BH08 | BH09 | BH10 |
| . Multiple suction openings | . Simultaneous suction and exhaust | . Air curtaind formed around the hood | . Suction as a swirling flow | . Movable hoods | . . Height-adjustable hoods | . . Movable suction openings | . Desktop types | . Combination of cooking utensils, water boilera, and the like | . Others | |||
| BJ | BJ00 ASSEMBLY AND INSTALLATION |
BJ01 | BJ02 | BJ03 | BJ04 | BJ05 | BJ06 | |||||
| . Assembly of the housing | . . Assembly by bending | . . Installing of end rails | . Installation | . Connection of ducts | . Others | |||||||
| BK | BK00 ACCESSORY ELEMENTS AND CONTROL THEREOF |
BK01 | BK02 | BK03 | BK04 | BK05 | BK06 | BK07 | BK08 | BK09 | BK10 | |
| . Air-flow control members | . . Installation at suction openings | . . Installation at discharge openings | . Oil receptacles and oil strainers | . Filtration | . Washing devices and attached fire-extinguishing devices | . Attached smoke-detection devices | . Electric wiring and electric appliances | . Control, detection, and indication | . Others |