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PUMPING APPARATUS FOR SKIMMING AND RECOVERING AN OIL LAYER FROM A BODY OF WATER

  • US 3,853,767 A
  • Filed: 04/14/1972
  • Issued: 12/10/1974
  • Est. Priority Date: 04/23/1971
  • Status: Expired due to Term
First Claim
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1. Apparatus for recovering oil floating on the surface of a body of water comprising a bowl for skimming and collecting oil from the surface of the water, means for supporting the bowl with its peripheral edge surface located at the surface of the water while its body portion therebelow extends downwardly below the level of the body of water, said bowl having a central downwardly and inwardly inclined upper surface, a pump and a pump inlet for pumping recovered oil from the central lower portion of the bowl, a plate below and spaced from the under surface of said bowl, said plate having an outer peripheral surface for directing water and oil toward the peripheral edge of the bowl where oil is separated from water, said plate having a central downwardly and inwardly inclined portion below the bowl, said central downwardly and inwardly inclined portion having a bottom outlet passageway, means for drawing water and oil over the peripheral surface of said plate toward and over the peripheral edge of said bowl, said means also drawing water through the space between said plate and said bowl and out the said passageway, said means including a water pump connected into said water outlet passageway, and the lower portion of said bowl being provided with a channel for the flow of water to the plate below.

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