Patent ID: 8826659

Claim:
A check valve for use in a turbocharger, the valve comprising: an ejector having an inlet for receiving air from a compressor, a passageway for receiving air from an oil separator and an outlet for ejecting air, the passageway fluidly connected to the outlet; a subassembly movable within the ejector having a first spool, a second spool, a nozzle and a spring, the first spool having an outer edge, the spring positioned between the first spool and the second spool; a first position defined when the spring biases the first spool and second spool to a closed position where the outer edge of the first spool rests adjacent the passageway and fully covers the passageway; a second position defined when the outer edge of the first spool is positioned away from the passageway to allow air to flow into the passageway, the second position further defined where the subassembly is moved from a rearward to a forward position to compress the spring, the outer edge moved to the second position by means of air pressure received from the compressor.