Excessive gas flow detector
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 26, 1987
Grant Date -
N/A
app pub date -
Jun 4, 1986
filing date -
Jun 5, 1985
priority date (Note) -
Expired
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Abstract
An excessive gas flow detector has a probe in which an electrode and immediately surrounding part of an insulating sleeve are protected by a shielding ring surrounding the electrode from direct impingement of spray carried by gas sweeping down into a well under excessive gas flow conditions. A test unit for plugging into a socket of the detector gives an indication on light emitting diodes of whether there is an excessive or normal gas flow through the detector.
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