Inline evenflow material distributor for pneumatic material...

Solid material comminution or disintegration – Apparatus – Including means applying fluid to material

Reexamination Certificate

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C241S152200, C451S099000

Reexamination Certificate

active

10817489

ABSTRACT:
An apparatus for reducing clogs in a pneumatic material feed line, such as employed in abrasive waterjet machining systems, by providing an evenflow feed of material therethrough. The apparatus preferably includes a hollow housing defining a housing volume and having an inlet capable of connecting to an upstream portion of the pneumatic material feed line, an outlet capable of connecting to a downstream portion of the pneumatic material feed line, and an air vent located between the inlet and outlet for venting excess air pressure out from the housing volume. A diverter, i.e. an impingement object, is located at the inlet and in a path of incoming material from the upstream portion of the pneumatic material feed line, to break up clumps of ambient moisture-ridden material impinging on the diverter. And one or more filter screens is also preferably located in the housing volume to further break up clumps and provide filtering.

REFERENCES:
patent: 4059231 (1977-11-01), Neu
patent: 5099619 (1992-03-01), Rose
patent: 5312040 (1994-05-01), Woodward
patent: 5358183 (1994-10-01), Kanda et al.
patent: 5839670 (1998-11-01), Omata et al.
patent: 6040004 (2000-03-01), Matsumoto et al.
patent: 6726549 (2004-04-01), Rivir et al.
AbrasiveJet and WaterJet Machining: Introduction, http://www.waterjets.org/about—abrasivejets.html.

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