Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1985-07-02
1987-03-10
Westin, Edward P.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
137172, 210 961, 210 85, 210167, 210194, 210DIG5, G01N 2149, B01D 1704, C02F 140
Patent
active
046492810
ABSTRACT:
An oil content monitor/control unit system is configured to automatically nitor and control processed effluent from an associated oil/water separator so that if the processed effluent exceeds predetermined in-port or at-sea oil concentration limits, it is either recirculated to an associated oil/water separator via a ship's bilge for additional processing, or diverted to a holding tank for storage. On the other hand, if the oil concentration of the processed effluent is less than predetermined in-port or at-sea limits, it is discharged overboard.
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patent: 3787703 (1974-01-01), Topol
patent: 3965004 (1976-06-01), Garber
patent: 3966603 (1976-06-01), Grant
patent: 4064893 (1977-12-01), Pitt
patent: 4265535 (1981-05-01), Pitt
patent: 4315822 (1982-02-01), Jaisinghani
patent: 4344429 (1982-08-01), Gupton et al.
Gavin Joseph A.
Kempel Francis D.
Schmitt Ray F.
Waltrick, deceased Charles N.
The United States of America as represented by the Secretary of
Walden Kenneth E.
Westin Edward P.
Wynn John G.
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