Metering of particulate material and vaporization thereof

Details Metering of particulate material and vaporization thereof Metering of particulate material and vaporization thereof

2011-07-05

2011-07-05

Zervigon, Rudy (Department: 1716)

Coating apparatus

Gas or vapor deposition

Crucible or evaporator structure

C156S345290, C118S7230VE

Reexamination Certificate

active

07972443

ABSTRACT:
Apparatus for metering and vaporizing a particulate material, includes: a metering device having: a reservoir for receiving particulate material; a housing having an internal volume and 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; the rotatable shaft and the scraper cooperates to fluidize the particulate material at the second opening; and a flash evaporator that flash vaporizes the received particulate material.

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