Patent ID: 6494778
Filing Date: 2002-12-17
Classification: A61L,B60H

Abstract:
A Heat Ventilation Air Conditioning (HVAC) system for dispersing an aroma into the interior of an automobile, said system comprising:a blower unit to blow air into the HVAC system; a heat transfer unit to transfer heat to and from the air; an aroma-dispersing unit including a passageway and a plurality of aroma cartridges; wherein the passageway having a first portion, a second portion and a low-pressure zone between the first portion and the second portion, wherein the low-pressure zone defines a first opening, and wherein the air enters the passageway through the first portion, passes through the low-pressure zone and exits the passageway through the second portion; and wherein the plurality of aroma cartridges defines a plurality of second openings selectively alignable with the first opening of the low-pressure zone.