Schering Corporation

Mannkind Corporation

Rajesh Maheshwari

Trent A Poole

Per B Fog

Annaniy Berenshteyn

Rolf Scharger

A powder dispenser module () includes a housing () that defines a conduit connecting a powder inlet and a powder outlet, a feed wand () to move powder through the conduit from the powder inlet to the powder outlet, the feed wand () including a lower feed element () coupled to a first drive shaft and an upper feed element () coupled to a second drive shaft, a first actuator coupled to the first drive shaft to rotate the lower feed element (), and a second actuator coupled to the second drive shaft to rotate the upper feed element (). In other embodiments, the feed wand () includes a shaft having a fluidizing element and an actuator produces oscillatory movement of the feed wand during dispensing of powder. Dispenser module arrays include one or a few rows of dispenser modules.

Powder dispenser modules and powder dispenser assemblies

A powder dispenser includes: a dispenser housing having including a hopper for holding a powder; an outlet tube; a slider slidably mounted with respect to the dispenser housing between a feed position and a dispense position, the slider including a holding member for receiving powder supplied through a dispensing opening of the hopper in the feed position, the holding member having pores which permit gas passage therethrough but which prevent powder passage therethrough, and a vacuum passage for removing gas trapped by the powder in the holding member, through the holding member wall; an angled bore for supplying a pressurized gas at an angle to the hopper to provide a swirling effect; and a gas supply bore in the dispenser housing for supplying a pressurized gas to the receptacle portion in the dispense position to force the powder from the receptacle portion to the outlet tube.

Growing community of inventors

Millburn, NJ, United States of America

Rajesh Maheshwari