Patent ID: 11953118
Assignee: FLOWSERVE PTE. LTD.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  G | IPC F  G

Claim 0:
1. A valve system comprising:
at least one shaft comprising at least one conductive material, the at least one conductive material having an annular shape extending along an axis of movement of the at least one shaft and radially surrounding the at least one shaft to define an outer surface of a portion of the at least one shaft; and
at least one inductance-to-digital converter (LDC) sensor separated from the at least one conductive material of the at least one shaft, the at least one inductance-to-digital converter (LDC) sensor comprising an inductor and configured to wirelessly sense an axial position of any portion of an outer circumference of the annular shape the at least one conductive material, wherein the valve system is configured to determine an axial position of the at least one shaft in response to the wirelessly sensing of the axial position of the portion of the at least one conductive material, and wherein the annular shape of the at least one conductive material varies in thickness along a length of the axis of the at least one shaft such that the at least one conductive material includes at least one ramped portion.