Patent ID: 11879460
Assignee: COPELAND LP
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 21:
22. The compressor of claim 21, wherein:
the first port is fluidly connected with a modulation control chamber,
the second port is fluidly connected with the axial biasing chamber,
the third port is fluidly connected with a suction-pressure region of the compressor,
the fourth port is fluidly connected with a first intermediate-pressure compression pocket that is at a pressure higher than a suction pressure of the compressor and lower than a discharge pressure of the compressor,
the fifth port is fluidly connected with a second intermediate-pressure compression pocket that is disposed radially inward relative to the first intermediate-pressure compression pocket, and
the sixth port is fluidly connected with the axial biasing chamber.