Drain element comprising a liner consisting of hollow rods...

Liquid purification or separation – Filter – With flow controller for material being treated

Reexamination Certificate

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Details

C210S458000, C210S459000, C210S490000, C210S497100, C166S233000, C166S316000

Reexamination Certificate

active

06851560

ABSTRACT:
The drain element for collecting hydrocarbons comprises a screen (TM) surrounding a suction cylinder (CA) extending in a longitudinal direction (AL). The screen is made up of rods (TT, TC) which extend along said longitudinal direction (AL) and which are regularly spaced apart around the suction cylinder. At least one of said rods is hollow in order to form a collector rod (TC), said collector rod (TC) having a lateral orifice and communicating with the inside of the suction cylinder via one of its ends.

REFERENCES:
patent: 4088580 (1978-05-01), Spurlock
patent: 5435393 (1995-07-01), Brekke et al.
patent: 5803179 (1998-09-01), Echols et al.
patent: 5868200 (1999-02-01), Bryant et al.
patent: 2325949 (1998-12-01), None
patent: WO 0045031 (2000-08-01), None

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