Apparatus for controlling the proportions of a fluid

Details Apparatus for controlling the proportions of a fluid Apparatus for controlling the proportions of a fluid

1982-09-24

1985-03-26

Beck, Shrive P.

Coating apparatus

Control means responsive to a randomly occurring sensed...

Condition of coated material

118688, 118691, 427 8, B05B 1208, B05B 1214

Patent

active

045066264

ABSTRACT:
This invention is directed to the use of two or more light waves having separate and distinct wave lengths. The light waves are directed to a fluid. The initial detected relative intensities of the light waves is known. After the light waves have left the fluid the final relative intensities can be determined. By knowing the relative shift in the initial intensities to the final intensities it is possible to determine a characteristic of the fluid. With this characteristic of the fluid it is possible to take appropriate action to change the characteristic of the fluid or it may be desirable to take no action with respect to the characteristic of the fluid.

REFERENCES:
patent: 3062963 (1962-11-01), Douty
patent: 4189335 (1980-02-01), Evans et al.
patent: 4338351 (1982-07-01), Bloom et al.

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