Patent ID: 7458373
Filing Date: 2008-12-02
Classification: A61M,B05B

Abstract:
1. An aerosol generator comprising: a mouthpiece having an outlet through which aerosol is supplied to a user of the aerosol generator; an air passage through which air is supplied to an interior of the mouthpiece; a sensor detecting a pressure drop in the interior of the mouthpiece; a housing; a capillary passage disposed within the housing; a heater disposed within the housing; a reservoir disposed within the housing; a metering chamber disposed within the housing, the metering chamber being supplied fluid from the reservoir by a first flow passage and the capillary passage being supplied fluid from the metering chamber by a second flow passage; a power source adapted to supply electrical power to the heater; a first valve adapted to open and close the first flow passage; a second valve adapted to open and close the second flow passage; a third valve adapted to open and close the air passage; and a motor and a camshaft, the camshaft including a plurality of camshaft lobes operatively associated with the first, second and third valves, the camshaft lobes being operable to close the first valve and open the second and third valves during an aerosol delivery cycle in which fluid is supplied to the capillary passage.