Magnetic proximity sensor having improved capabilities and efficiency

1. A magnetic proximity sensor, comprising,

a sensor housing having a sensor target surface;

a magnetic sensor element; and

a magnet assembly having a first pole surface and a second pole surface

wherein the magnetic sensor element and the magnet assembly are embedded in the sensor housing;

wherein the first pole surface of the magnet assembly is positioned adjacent to the sensor target surface of the sensor housing;

wherein the magnetic sensor element is positioned at a first distance from the second pole surface of the magnet assembly, remote from the sensor target surface;

wherein the magnet assembly is arranged between the magnetic sensor element and the sensor target surface;

wherein the magnet assembly comprises an axial pole piece coaxially positioned within a magnet body; and wherein the axial pole piece extends beyond the magnet body toward the magnetic sensor element.

2. The magnetic proximity sensor of claim 1 , wherein the sensor housing covers the first pole surface of the magnet assembly with a thickness of at least 0.1mm.

3. The magnetic proximity sensor of claim 1 , wherein the first distance is between 2.2 and 2.7mm.

4. A magnetic proximity sensor, comprising:

a sensor housing arrangeable opposite a target;

a magnetic sensor element; and

a magnet assembly;

wherein the magnetic sensor element and the magnet assembly are embedded within the sensor housing;

wherein when the sensor housing is arranged opposite the target, the magnet assembly is positioned between the magnetic sensor element and the target;

wherein the magnet assembly comprises an axial pole piece coaxially positioned within a magnet body; and wherein the axial pole piece extends beyond the magnet body toward the magnetic sensor element.

5. The magnetic proximity sensor of claim 4 , wherein the magnetic sensor element is positioned at a distance of between 2.2 and 2.7 millimeters from the magnet assembly.

6. The magnetic proximity sensor of claim 4 ,

wherein the sensor housing has a surface;

wherein when the sensor housing is arranged opposite the target, the surface is positioned between the magnet assembly and the target; and

wherein the magnet assembly is embedded in the sensor housing such that a gap of at least 0.1 millimeters exists between the surface and the magnet assembly.

7. The magnetic proximity sensor of claim 4 ,

wherein when the sensor housing is arranged opposite the target, a first pole of the magnet assembly faces the target and a second pole of the magnet assembly faces the magnetic sensor element.

8. A magnetic proximity sensor, comprising:

a target;

a sensor housing arranged opposite the target;

a magnetic sensor element; and

a magnet assembly;

wherein the magnetic sensor element and the magnet assembly are embedded within the sensor housing such that the magnet assembly is positioned between the magnetic sensor element and the target;

wherein the magnet assembly comprises an axial pole piece coaxially positioned within a magnet body; and wherein the axial pole piece extends beyond the magnet body toward the magnetic sensor element.

9. The magnetic proximity sensor of claim 8 , wherein the target is a disc having one or more teeth.

10. The magnetic proximity sensor of claim 8 , wherein the magnetic sensor element is positioned at a distance of between 2.2 and 2.7 millimeters from the magnet assembly.

11. The magnetic proximity sensor of claim 8 ,

wherein the sensor housing has a surface;

wherein the surface is positioned between the magnet assembly and the target; and

wherein the magnet assembly is embedded in the sensor housing such that a gap of at least 0.1 millimeters exists between the surface and the magnet assembly.

12. The magnetic proximity sensor of claim 8 ,

wherein a first pole of the magnet assembly faces the target and a second pole of the magnet assembly faces the magnetic sensor element.