Patent ID: 6302655
Filing Date: 2001-10-16
Classification: F04F

Abstract:
A pumping-ejection unit, comprising:a separator;a liquid-gas ejector having a gas inlet, a liquid inlet and an outlet;a pump having a suction side and a discharge side; anda jet pump having an ejecting medium inlet, an evacuated medium inlet and an outlet;wherein the gas inlet of the liquid-gas ejector is directly connected to a source of an evacuated gaseous medium, the outlet of the liquid-gas ejector is directly connected to the separator, the liquid inlet of the liquid-gas ejector is connected to the discharge side of the pump, the outlet of the jet pump having a direct connection to the suction side of the pump, the ejecting medium inlet of the jet pump is connected to the discharge side of the pump, and the evacuated medium inlet of the jet pump is directly connected to the separator.