Photoelectric bubble detector apparatus and method
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United States of America Patent
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Oct 25, 1988
Grant Date -
N/A
app pub date -
Jan 28, 1986
filing date -
Jan 28, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A photoelectric buffle detector apparatus (20) including a container (22) containing a liquid (24) having a top surface with a top side and an under side. A light emitting source (60) is positioned for emitting light toward the top surface (42) of the liquid (24). A light detecting source (70) positioned for detecting light emitted from the light emitting source (60) and reflected from the top surface (42) of the liquid (24). The light detecting source (70) outputs a signal indicating the presence of a wave pattern at the top surface (42) of the liquid (24) caused by gas bubbles rising to the top surface (42) of the liquid (24).
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