Metering and vaporizing particulate material

Details Metering and vaporizing particulate material Metering and vaporizing particulate material

2008-11-14

2011-11-01

Zervigon, Rudy (Department: 1716)

Coating apparatus

Gas or vapor deposition

Crucible or evaporator structure

C118S7230VE, C156S345290

Reexamination Certificate

active

08048230

ABSTRACT:
Apparatus for metering and vaporizing a particulate material, includes: a metering device for metering particulate material having: a reservoir for receiving particulate material; a housing having first and second openings; a rotatable shaft disposed in the internal volume, the shaft having a smooth surface and a circumferential groove; a rotating agitator with a plurality of tines disposed in the reservoir and cooperating with the rotating shaft for fluidizing particulate material and transporting it from the reservoir into the groove; cooperating such that particulate material is transported by the groove; a scraper cooperates with the groove to dislodge particulate material retained therein, and deliver metered amounts of particulate material through the second opening; a structure fluidizes the particulate material at the second opening; and a flash evaporator that receives and flash vaporizes the metered particulate material.

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