Patent ID: 6174436
Filing Date: 2001-01-16
Classification: B63B,E02B,Y02A,Y10S

Abstract:
An oil skimmer comprising:a lower hull capable of floating and submerging, and capable of discharging sea water through an opening so as to thicken a layer of oil;an oil drawing means having a shape of a water wheel installed on a deck of said lower hull, for drawing an oil layer on a sea surface toward a central tank when said lower hull is submerged;a main floater for applying a floating force to said deck, and having a guide path partly communicating with said central tank; andan oil separating/extracting means having a shaft at a level higher than that of said water wheel of said oil drawing means, for separating an upper oil layer in said central tank and sending oil through a guide path into an oil collecting tank.