Patent ID: 9249550
Filing Date: 2016-02-02
CPC Classification: B01D,B63B,C02F,E02B,E21B,Y02A,Y10S

Claim Text:
1. A vacuum apparatus for recovering oil from the surface of water comprising: a plurality hoses connected to a vacuum device, the hoses operable to deliver water, oil or air into the vacuum device when the vacuum device is under a vacuum; a pump connected to the vacuum device; a water sensor chamber connected to the pump, the pump operable to pump the contents of the vacuum device into the water sensor chamber; a water sensor within the water sensor chamber operable to detect when water enters the water sensor chamber; an oil outflow hose connected to the water sensor chamber; and a pipe connecting the pump to the water sensor chamber; a drain valve positioned within the pipe, the drain valve connected to a drain pipe operable to drain liquid out of the pipe and into the drain pipe when the valve is open and to not allow liquid into the drain pipe when the valve is closed.