Patent ID: 11953006
Assignee: TYCO FIRE & SECURITY GMBH
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 4:
5. The screw compressor of claim 4, wherein:
the non-working side of the spool valve has a groove extending along the axis direction, and a bottom surface of the groove is inclined relative to the screw rotor in the axis direction,
the probe has a contact end and a measurement end, wherein the contact end extends into the groove and contacts the bottom surface of the groove, wherein the contact end is configured to slide relative to the bottom surface as the spool valve moves, and the measurement end protrudes from the groove, and
the position sensor is configured to determine the position of the spool valve based on a length of a portion of the probe protruding from the groove.