Patent ID: 9583260
Date: 2017-02-28
CPC Classifications: B60C,F01D,F02C,F04D,F05D,H01F,H02J,H04B

Claim:
1. A wireless power transmission link system comprising: a stationary axle; a telemetry unit interior to the stationary axle; a first cup located interior to the telemetry unit, wherein the first cup comprises a first channel for housing a first wound coil; a sensor electrically coupled to the first coil and configured to generate a signal; and a second cup separated by an air gap from the first cup and configured to rotate relative to the first cup, wherein the second cup comprises a second channel for housing a second wound coil, wherein the first wound coil and the second wound coil are inductively coupled to transmit the signal across the air gap from the first coil to the second coil, wherein at least one of the first cup or the second cup comprise a ferromagnetic material.