G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 1/20 (2006.01) G01N 1/10 (2006.01)
Patent
CA 2192149
This apparatus (10) serves for taking a volume-adjustable sample from a fluid moving in an open channel or flowing in an unpressurized state in a pipe. The apparatus has a cham- ber (11) for receiving the sample and an intake/discharge line (12) which is immersed in the fluid and is connected to an opening (13) in a base (14) of the chamber. A sample outlet line (15) is arranged in the base of the chamber. The intake/discharge line opens into a vertical inner in- take pipe (16). A a rotatable outer intake pipe (17) is placed over the inner intake pipe (16). The wall of the in- ner intake pipe (16) is provided with an axially parallel elongate hole (161) and the wall of the outer intake pipe (17) is provided with a helical elongate hole (171) extend- ing over a rotational angle of less than 360°, or vice ver- sa. The outer intake pipe is turned by a rotary actuator.
Dangelmaier Peter
Steiger Martin
Endress + Hauser Wetzer Gmbh + Co. Kg
Fetherstonhaugh & Co.
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