Hydraulic oil counting device and water separator

Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive

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250343, G01J 100

Patent

active

044993765

ABSTRACT:
Apparatus for measuring the quantity of opaque material within a fluid stream which includes apparatus for directing an associated fluid stream. A beam of infrared light extends through the associated fluid and means are provided for sensing the intensity of the beam of infrared light after passing through the associated fluid. Means is also provided for producing a signal which is a function of an output of the means for sensing.

REFERENCES:
patent: 2321899 (1943-06-01), Dooley
patent: 3281597 (1966-10-01), Greenberg
patent: 3600590 (1971-08-01), Einstein
patent: 3917957 (1975-11-01), Ansevin et al.
patent: 3962581 (1976-06-01), Zimmerman
patent: 4045671 (1977-08-01), Dille et al.
patent: 4229653 (1980-10-01), Uthe

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