Solid material comminution or disintegration – Apparatus – Including means applying fluid to material
Reexamination Certificate
2007-02-20
2007-02-20
Rosenbaum, Mark (Department: 3725)
Solid material comminution or disintegration
Apparatus
Including means applying fluid to material
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.
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AbrasiveJet and WaterJet Machining: Introduction, http://www.waterjets.org/about—abrasivejets.html.
Rosenbaum Mark
Tak James S.
The Regents of the University of Califfornia
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