using nozzles (nozzles per se, spraying in general
B 05 B) [3]
6
/
16
•
•
using rotating elements [3]
6
/
18
•
by injection of steam into the air [3]
7
/
00
Ventilation
7
/
007
•
with forced flow (using ducting systems F 24 F 7/06) [3]
7
/
013
•
•
using wall or window fans, displacing air through the wall or window [3]
7
/
02
•
Roof ventilation (F 24 F 7/007 takes precedence; ventilation of roof coverings E 04 D) [3,6]
7
/
04
•
with ducting systems
7
/
06
•
•
with forced air circulation, e.g. by fan
7
/
08
•
•
•
with separate ducts for supplied and exhausted air [3]
7
/
10
•
•
•
with air supply, or exhaust, through perforated wall, floor or ceiling (outlet members for directing or distributing air F 24 F 13/06) [3]
9
/
00
Use of air currents for screening, e.g. air curtain (air curtains for vehicles B 60 J 9/04)
Common features or details
11
/
00
Control or safety systems or apparatus (control valves per seF 16 K; humidity control G 05 D 22/00) [3]
11
/
02
•
Arrangement or mounting of control or safety devices
11
/
04
•
•
solely for controlling the rate of air-flow (F 24 F 11/08 takes precedence)
11
/
047
•
•
•
to constant value [3]
11
/
053
•
•
•
by means responsive to temperature [3]
11
/
06
•
•
solely for controlling the supply of heating or cooling fluids for secondary treatment (F 24 F 11/08 takes procedence)
11
/
08
•
•
for controlling the primary treatment of air
12
/
00
Use of energy recovery systems in air conditioning, ventilation or screening (with both heat and humidity transfer between supplied and exhausted air F 24 F 3/147; heat-exchange in general F 28) [4]
13
/
00
Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
