Photoelectric bubble detector apparatus and method

Details Photoelectric bubble detector apparatus and method Photoelectric bubble detector apparatus and method

1986-01-28

1988-10-25

Tarcza, Thomas H.

Measuring and testing

With fluid pressure

Porosity or permeability

73293, 250574, 364550, G01N 1508

Patent

active

047794488

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).

REFERENCES:
patent: 2503770 (1950-04-01), Robinson
patent: 2873644 (1959-02-01), Kremen et al.
patent: 3007334 (1961-11-01), Pall
patent: 3446558 (1969-05-01), Seaton
patent: 3457419 (1969-07-01), Rosa
patent: 3864044 (1975-02-01), Lyshkow
patent: 3953126 (1976-04-01), Kim et al.
patent: 4247784 (1981-01-01), Henry

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