Patent ID: 11953006
Assignee: YORK (WUXI) AIR CONDITIONING AND REFRIGERATION CO., LTD.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 3:
4. The screw compressor of claim 3, wherein:
a non-working side of the spool valve has an inclined surface that is inclined relative to the screw rotor in the axis direction,
the position sensor comprises a probe having a fixed position along the axis direction, wherein one end of the probe is in contact with the inclined surface and is configured to slide relative to the inclined surface as the spool valve moves, and wherein the probe is configured to move in a direction perpendicular to the axis direction as the spool valve moves, and
the position sensor is configured to determine the position of the spool valve based on a distance that the probe moves in the direction perpendicular to the axis direction.