Liquid purification or separation – Structural installation – Flume stream type
Reexamination Certificate
2007-01-09
2007-01-09
Upton, Christopher (Department: 1724)
Liquid purification or separation
Structural installation
Flume stream type
C210S159000, C210S161000, C210S394000, C210S403000
Reexamination Certificate
active
11185336
ABSTRACT:
An apparatus for removing material from a liquid flowing through a channel includes a sieve grate, a screw conveyor and a detaching device. The sieve grate has an inflow side, an inner side and an outer side. The sieve grate is designed to be cylindrical and to be rotatably driven. The sieve grate is arranged at an inclined orientation to be partially submerged in the liquid. The sieve grate at the inflow side includes an open face. The sieve grate at the inner side includes a plurality of guide plates. The sieve grate includes a shaping carrier element. The sieve grate includes a mesh fabric, the mesh fabric being designed and arranged to form a separation surface for the material. The screw conveyor includes a housing. The screw conveyor includes a driven conveying screw. The screw conveyor is coaxially arranged with respect to the sieve grate. The screw conveyor in the region of the sieve grate includes a feeding hopper for the material, the feeding hopper having a bottom side and including a majority of openings located in the region of the bottom side. The detaching device is arranged at the outer side of the sieve grate and above the feeding hopper in a stationary way. The detaching device is designed and arranged to detach material which adheres to the separation surface from inside of the sieve grate.
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Hans Huber AG Maschinen- und Anlagenbau
Thomas Kayden Horstemeyer & Risley LLP
Upton Christopher
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