Oil-water separator

Details Oil-water separator Oil-water separator

1975-05-15

1977-06-28

Wyse, Thomas G.

Liquid purification or separation

Particulate material type separator, e.g., ion exchange or...

With spaced non-particulate separating means

210290, 210291, 210435, 210456, 210502, B01D 3904

Patent

active

040324532

ABSTRACT:
The water and oil that is normally collected in the bilge of small boats is pumped overboard by a bilge pump with the oil being removed from the bilge water by a filter having layers of different size expanded resin particles that are hydrophobic and oleophilic. When operation of the bilge pump ceases, a valve will release the back pressure that would otherwise be caused by the filter, to facilitate start-up of the pump. At the discharge and visible on the exterior of the boat, there is an indicator that will change color when it is in contact with oil, to provide a visual indication when the filter needs changing.

REFERENCES:
patent: 3617551 (1971-11-01), Johnston et al.
patent: 3756948 (1973-09-01), Weinberg et al.
patent: 3852193 (1974-12-01), Jakubek et al.
patent: 3913513 (1975-10-01), Pedone

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