Modular insertion device for process illumination and viewing
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United States of America Patent
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Aug 24, 2004
Grant Date -
Jun 5, 2003
app pub date -
Dec 4, 2001
filing date -
Dec 4, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
An illumination module comprises a ring-shaped mounting member having an axially extending viewing passage and an L-shaped radiation guide including a radiation entry end for communication with an external radiation source and a radiation exit end provided with a fused glass window for insertion within a process vessel or pipeline. The radiation guide extends through a radial guide hole in the mounting member and bends to run axially along the passage of the mounting member in close proximity to the wall of the passage so as to minimize blockage of available viewing area through the passage. The illumination module can be clamped between a sight glass or camera viewing unit and the flange of a nozzle port, or between segments of a pipeline near a viewing window of the pipeline, to form an illumination and viewing assembly. A coarse flow duct system in the mounting member, and a fine flow duct system in the mounting member and radiation guide, enable delivery of cleaning fluid to a sight glass or camera unit, and to the fused glass window of the radiation guide, respectively.
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