Table 1 Odor delivery system approaches
From: Multi-channel portable odor delivery device for self-administered and rapid smell testing
Ref | Year | Odor source | Control method | Outlet type | Channels |
|---|---|---|---|---|---|
2010 | Odorant bottle | Solenoid-controlled odor lines with flow control and dilution. | Nose piece | 9 | |
2019 | Odorant bottle | Solenoid-controlled odor lines. Open air mixing with carrier stream. | Nose piece | 12 | |
2018 | Odorant reservoir | Fan coupled to rotatable odor reservoirs. | Outlet port | 8 | |
2002 | Odor filled syringes | Motorized syringes. | Face mask | 1 | |
2015 | Odorant bottles | Solenoid-controlled odor lines. | Nose piece | 12 | |
2018 | Heated liquid odorant | Solenoid-controlled odor lines. | Outlet port | 3 | |
2001 | Sample bags | Solenoid-controlled odor lines with flow control and dilution. | Outlet port | 3 | |
2005 | Odorant bottle | Odor injection into carrier stream. | Face mask | 1 |
