Importance

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Abstract

An aroma substance delivery device adapted to deliver an aroma substance exclusively to the nasal cavities of an individual, comprising the following elements:

(i) a source of carrier gas flow;(ii) regulating means which receives the carrier gas flow and regulates its passage through a plurality of channels;(iii) downstream of the regulating means a plurality of aroma substance-containing cartridges, one being associated with each channel, and(iv) disseminating means located in close proximity to the cartridges and adapted to deliver the individual aroma substances from the cartridges to nasal cavities by means of a conduit;there being positioned in each channel on the upstream side and in close proximity to the origin of the channel a flow restrictor, the flow restrictor being configured such that the pressure drop across the flow restrictor is higher than the pressure drop across the rest of the device. The device is particularly useful as an element in conjunction with an audiovisual display, to provide a complete sensory experience.

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First Claim