Patent ID: 9435340
Filing Date: 2016-09-06
CPC Classification: F04C

Claim Text:
1. A compressor comprising: a first scroll member including a first end plate defining a first discharge port and a first spiral wrap extending from said first end plate; a second scroll member including a second end plate defining a first variable volume ratio port and a second spiral wrap extending from said second end plate and meshingly engaged with said first spiral wrap and forming compression pockets, said first variable volume ratio port located radially outward relative to said first discharge port and in communication with a first compression pocket, said second end plate defining a second discharge port in selective communication with said first variable volume ratio port, said first and second spiral wraps defining a central discharge pocket in communication with said first and second discharge ports; a drive shaft engaged with said second scroll member and driving orbital displacement of said second scroll member relative to said first scroll member; and a first variable volume ratio valve displaceable between a closed position and an open position, said first variable volume ratio valve isolating said first variable volume ratio port from said discharge pocket when in the closed position and providing communication between said first compression pocket and said discharge pocket via said first variable volume ratio port when in the open position.