Patent ID: 11913441
Assignee: TRANSPORTATION IP HOLDINGS, LLC
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 7:
8. An air compressor system, comprising:
a compressor and a dryer, and the compressor is configured to flow pressurized air to the dryer, and the compressor comprises a piston that is configured to oscillate between a first stage and a second stage of the compressor, and a crankshaft is physically coupled to a connecting rod arranged in an interior space of the piston, and the interior space is configured to receive air from an interior volume of the compressor via a plurality of openings, wherein the interior space extends through a first piston body, a piston transition body, and a second piston body, and air in the interior space exits the interior space via a check valve arranged in a piston crown in the first piston body.