US Patent 11142067 Differential sensor apparatus and method of use

An axle assembly including a differential case and a side gear having an inboard surface and an outboard surface disposed in the differential case. The side gear outboard surface defines a first plurality of locking teeth. A locking gear having an inboard surface and an outboard surface, wherein the inboard surface includes a second plurality of locking teeth selectively engaged with the first plurality of locking teeth. A biasing member disposed axially between the side gear and the locking gear. An electromagnetic coil disposed adjacent the locking gear. A first inductive sensor for sensing a position of the locking gear.